CN213838979U

CN213838979U - Plastic magnetic rotor for fan

Info

Publication number: CN213838979U
Application number: CN202022593608.3U
Authority: CN
Inventors: 谭黎明
Original assignee: Qingdao Jinli Magnetic Material Co ltd
Current assignee: Qingdao Jinli Magnetic Material Co ltd
Priority date: 2020-11-11
Filing date: 2020-11-11
Publication date: 2021-07-30
Anticipated expiration: 2030-11-11

Abstract

The utility model discloses a mould magnetism rotor for fan relates to little household electrical appliances field, and it is poor to the radiating effect that current mould magnetism rotor exists, fragile, and life is low, has the problem of potential safety hazard, now proposes following scheme, and it includes the rotor magnetic ring, rotor magnetic ring lateral wall is provided with rotor housing, rotor magnetic ring and rotor housing all are the tube-shape, and the lateral wall of rotor magnetic ring and rotor housing's inside wall rotate and match, the lateral wall fixed mounting that the rotor magnetic ring is close to rotor housing has the turning block, the one end that the rotor magnetic ring was kept away from to the turning block is embedded in rotor housing, one side that rotor housing is close to the turning block is provided with the rotation groove, rotor magnetic ring inboard is provided with rotates the shaft hole, one side that rotor housing was kept away from to the rotor magnetic ring is provided with the fixed column. The utility model discloses novel structure, and small, the radiating effect is good, and use comfort is high, and the rotation resistance is little, and stability is high.

Description

Plastic magnetic rotor for fan

Technical Field

The utility model relates to a small household appliances field especially relates to a mould magnetism rotor for fan.

Background

The fan is mainly driven by a motor, the rotor is a key part on the motor, and the plastic magnetic rotor slowly replaces the traditional winding electronics along with the maturity of the plastic magnetic rotor, so that the cost of the motor is greatly reduced, and meanwhile, the resources are saved, and the fan is widely used.

The plastic magnetic rotor used in the current market is still insufficient in the using process, and because the motor and the plastic magnetic rotor are easy to generate heat in the high-speed and long-time rotating process, the traditional plastic magnetic rotor is lack of a heat dissipation structure, the plastic magnetic rotor is easy to damage due to long-time high-temperature work, the service life of the plastic magnetic rotor is shortened, even the motor is damaged, and potential safety hazards exist.

SUMMERY OF THE UTILITY MODEL

The utility model provides a mould magnetism rotor for fan, it is poor to have solved the radiating effect that current mould magnetism rotor exists, fragile, and life is low, has the problem of potential safety hazard.

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

a plastic magnetic rotor for a fan comprises a rotor magnetic ring, wherein a rotor shell is arranged on the side wall of the rotor magnetic ring, the rotor magnetic ring and the rotor shell are both in a cylindrical shape, the outer side wall of the rotor magnetic ring is rotationally matched with the inner side wall of the rotor shell, a rotating block is fixedly arranged on the side wall, close to the rotor shell, of the rotor magnetic ring, one end, far away from the rotor magnetic ring, of the rotating block is embedded in the rotor shell, a rotating groove is formed in one side, close to the rotating block, of the rotor shell, a rotating shaft hole is formed in the inner side of the rotor magnetic ring, a fixing column is arranged on one side, far away from the rotor shell, fan blades are fixedly connected to the inner sides of the fixing column and the rotor magnetic ring, connecting blocks are fixedly arranged at the two ends of the fixing column, connecting rods are fixedly connected to the inner sides of the connecting blocks and the rotor magnetic ring, a positioning hole is formed in the middle of each connecting rod, and connecting shaft grooves are formed in the inner sides of the fixing column and the connecting blocks, the connecting shaft groove penetrates through the fixing column and the connecting block, and the fixing column and the connecting block are cylindrical.

Preferably, the central axes and the central lines of the connecting block, the fixing column, the rotor shell and the rotor magnetic ring are all consistent, and the side wings of the rotor shell and the rotor magnetic ring are consistent.

Preferably, the connecting rods and the positioning holes are distributed in an annular array by taking the central line of the connecting block as an original point, and the connecting rods are consistent with the side wall of the rotor magnetic ring.

Preferably, the connecting blocks, the connecting rods and the positioning holes are symmetrically distributed by taking the central axis of the fixing column as a symmetry axis.

Preferably, the fan blades are distributed in an annular array by taking the center line of the fixed column as an original point, and the fan blades are uniformly distributed between the fixed column and the rotor magnetic ring.

Preferably, the rotating blocks are distributed in an annular array by taking the center line of the rotor magnetic ring as an original point, the rotating blocks are symmetrically distributed by taking the central axis of the rotor magnetic ring as a symmetry axis, and the rotating blocks are mutually matched with the rotating grooves in a rotating mode.

The utility model has the advantages that:

1. the fan blades are arranged on the inner side of the rotor magnetic ring, so that the fan blades and the rotor magnetic ring rotate coaxially, the rotor magnetic ring and the driving motor are cooled on the basis of not adding more energy and enlarging the volume, the requirements of the rotor magnetic ring, the driving motor and heat dissipation are met, and the use comfort level of the fan is optimized.

2. Through setting up the rotor magnetic ring and rotating through the rotation groove of turning block in rotor housing, make rotor housing and mounting fully fixed basis on, guarantee the rotation effect of rotor magnetic ring, increase the stability of moulding the magnetism rotor, and through the supplementary rotation of turning block, reduce the rotation resistance, optimize the rotation effect.

3. Through setting up the protrusion connecting block and being connected with the pivot, and set up the connecting shaft groove and stabilize through the spliced pole, set up the locating hole and carry out spacing fixed, improve the connection accuracy, optimize rotational stability, avoid derailing.

To sum up, this mould magnetism rotor is small, and the radiating effect is good, and use comfort is high, and the rolling resistance is little, and stability is high.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic sectional view of the present invention.

Fig. 3 is a side view of the present invention.

Fig. 4 is a schematic cross-sectional view taken along line a-a of fig. 1 according to the present invention.

Reference numbers in the figures: 1. a rotor magnetic ring; 2. a rotor housing; 3. rotating the block; 4. a rotating groove; 5. fixing a column; 6. a fan blade; 7. connecting blocks; 8. a connecting rod; 9. positioning holes; 10. rotating the shaft hole; 11. and a connecting shaft groove.

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.

Referring to fig. 1-4, a plastic magnetic rotor for a fan comprises a rotor magnetic ring 1, a rotor housing 2 is arranged on the side wall of the rotor magnetic ring 1, the rotor magnetic ring 1 and the rotor housing 2 are both cylindrical, the outer side wall of the rotor magnetic ring 1 is rotationally matched with the inner side wall of the rotor housing 2, a rotating block 3 is fixedly arranged on the side wall of the rotor magnetic ring 1 close to the rotor housing 2, one end of the rotating block 3 far away from the rotor magnetic ring 1 is embedded in the rotor housing 2, a rotating groove 4 is arranged on one side of the rotor housing 2 close to the rotating block 3, a rotating shaft hole 10 is arranged on the inner side of the rotor magnetic ring 1, a fixing column 5 is arranged on one side of the rotor magnetic ring 1 far away from the rotor housing 2, fan blades 6 are fixedly connected to the inner sides of the fixing column 5 and the rotor magnetic ring 1, connecting blocks 7 are fixedly arranged at two ends of the fixing column 5, and a connecting rod 8 is fixedly connected to the inner sides of the connecting block 7 and the rotor magnetic ring 1, the middle part of the connecting rod 8 is provided with a positioning hole 9, the inner sides of the fixed column 5 and the connecting block 7 are provided with a connecting shaft groove 11, the connecting shaft groove 11 penetrates through the fixed column 5 and the connecting block 7, the fixed column 5 and the connecting block 7 are all cylindrical, the central axes and the central lines of the connecting block 7, the fixed column 5, the rotor shell 2 and the rotor magnetic ring 1 are all consistent, the side wings of the rotor shell 2 and the rotor magnetic ring 1 are consistent, the connecting rod 8 and the positioning hole 9 are all distributed in an annular array by taking the central line of the connecting block 7 as an original point, the connecting rod 8 and the side wall of the rotor magnetic ring 1 are all consistent, the connecting block 7, the connecting rod 8 and the positioning hole 9 are all symmetrically distributed by taking the central axis of the fixed column 5 as a symmetric axis, the fan blades 6 are distributed in an annular array by taking the central line of the fixed column 5 as an original point, and the fan blades 6 are uniformly distributed between the fixed column 5 and the rotor magnetic ring 1, the rotating blocks 3 are distributed in an annular array by taking the central line of the rotor magnetic ring 1 as an original point, the rotating blocks 3 are symmetrically distributed by taking the central axis of the rotor magnetic ring 1 as a symmetry axis, and the rotating blocks 3 are mutually matched with the rotating grooves 4 in a rotating mode.

The working principle is as follows: when the plastic magnetic rotor for the fan is used, firstly, according to the use requirement, the plastic magnetic rotor for the fan is matched with the fan which needs to use the plastic magnetic rotor, then, the connecting blocks 7 in the plastic magnetic rotor are respectively matched with the motor rotating shaft and the fan rotating shaft according to the use requirement, then, the connecting blocks 7 are respectively connected with the motor rotating shaft and the fan rotating shaft according to the installation requirement, and the connecting columns are arranged in the connecting shaft grooves 11 to stabilize the connection of the connecting blocks 7 with the motor rotating shaft and the fan rotating shaft, so that the motor rotating shaft and the fan rotating shaft are matched with the positioning holes 9 on the connecting rods 8 during connection, the motor rotating shaft and the fan rotating shaft are limited and fixed through the positioning holes 9, and the plastic magnetic rotor for the fan can be put into use after;

when the plastic magnetic rotor cooling device is used, the output shaft of the motor rotates when working, the output shaft of the motor drives the connecting block 7 fixed in a limiting mode to rotate, the connecting block 7 rotates to enable the connecting rod 8 and the fixing column 5 fixedly connected with the connecting block to rotate, the connecting rod 8 rotates to enable the rotor magnetic ring 1 fixedly connected with the connecting rod to rotate, the rotor magnetic ring 1 rotates to enable the rotating block 3 fixedly connected with the rotor magnetic ring to rotate in the rotating groove 4 in the inner side of the rotor shell 2, the fixing column 5 rotates to enable the fan blades 6 uniformly connected with the fixing column to rotate, the fan blades 6 rotate to accelerate air circulation in the rotor magnetic ring 1, therefore, heat generated by rotation of the plastic magnetic rotor is reduced, heat dissipation requirements of the motor and the plastic magnetic rotor are met, after the plastic magnetic rotor cooling device is used, the driving motor is turned off, operation is performed in an opposite order to installation, and the plastic magnetic rotor cooling device is taken out.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A plastic magnetic rotor for a fan comprises a rotor magnetic ring (1) and is characterized in that a rotor shell (2) is arranged on the side wall of the rotor magnetic ring (1), the rotor magnetic ring (1) and the rotor shell (2) are both cylindrical, the outer side wall of the rotor magnetic ring (1) is matched with the inner side wall of the rotor shell (2) in a rotating mode, a rotating block (3) is fixedly installed on the side wall, close to the rotor shell (2), of the rotor magnetic ring (1), one end, far away from the rotor magnetic ring (1), of the rotating block (3) is embedded in the rotor shell (2), a rotating groove (4) is formed in one side, close to the rotating block (3), of the rotor shell (2), a rotating shaft hole (10) is formed in the inner side of the rotor magnetic ring (1), a fixing column (5) is arranged on one side, far away from the rotor shell (2), and fan blades (6) are fixedly connected to the fixing column (5) and the inner side of the rotor (1), the rotor magnetic ring fixing device is characterized in that connecting blocks (7) are fixedly mounted at two ends of the fixing column (5), connecting rods (8) are fixedly connected with the inner sides of the connecting blocks (7) and the rotor magnetic ring (1), a positioning hole (9) is formed in the middle of each connecting rod (8), connecting shaft grooves (11) are formed in the inner sides of the fixing column (5) and the connecting blocks (7), the connecting shaft grooves (11) penetrate through the fixing column (5) and the connecting blocks (7), and the fixing column (5) and the connecting blocks (7) are cylindrical.

2. The plastic-magnetic rotor for the fan as claimed in claim 1, wherein the central axes and the central lines of the connecting block (7), the fixing column (5), the rotor housing (2) and the rotor magnetic ring (1) are all consistent, and the side wings of the rotor housing (2) and the rotor magnetic ring (1) are consistent.

3. A plastic-magnetic rotor for a fan according to claim 1, characterized in that the connecting rods (8) and the positioning holes (9) are distributed in an annular array with the center line of the connecting block (7) as the origin, and the connecting rods (8) are consistent with the side wall of the rotor magnetic ring (1).

4. The plastic-magnetic rotor for the fan as claimed in claim 1, wherein the connecting block (7), the connecting rod (8) and the positioning hole (9) are symmetrically distributed with the central axis of the fixing column (5) as a symmetry axis.

5. A plastic-magnetic rotor for a fan as claimed in claim 1, wherein the fan blades (6) are distributed in an annular array with the center line of the fixed column (5) as the origin, and the fan blades (6) are uniformly distributed between the fixed column (5) and the rotor magnetic ring (1).

6. A plastic-magnetic rotor for a fan as claimed in claim 1, wherein the rotating blocks (3) are distributed in an annular array with the center line of the rotor magnetic ring (1) as the origin, and the rotating blocks (3) are distributed symmetrically with the center line of the rotor magnetic ring (1) as the symmetry axis, and the rotating blocks (3) are mutually rotatably matched with the rotating grooves (4).