CN220325449U - Motor shaft structure convenient for assembling permanent magnet motor rotor - Google Patents

Abstract

The utility model discloses a motor shaft structure convenient for assembling a permanent magnet motor rotor, which comprises a permanent magnet, wherein the front surface of the permanent magnet is fixedly connected with a first baffle plate, the inner wall of the permanent magnet is fixedly connected with a rotor body, the front surface of the rotor body is fixedly connected with a limiting block, the front surface of the limiting block is provided with a limiting hole, the outer surface of the rotor body is fixedly connected with a first bearing, the back surface of the rotor body is provided with a square clamping groove, the inner wall of the square clamping groove is provided with a circular clamping hole, and the back surface of the permanent magnet is fixedly connected with a second baffle plate.

Description

Motor shaft structure convenient for assembling permanent magnet motor rotor

Technical Field

The utility model relates to the technical field of permanent magnet motor devices, in particular to a motor shaft structure convenient for assembling a permanent magnet motor rotor.

Background

The permanent magnet synchronous motor uses the permanent magnet to provide excitation, so that the motor structure is simpler, the processing and assembly cost is reduced, a collecting ring and an electric brush which are easy to cause problems are omitted, and the operation reliability of the motor is improved; and because exciting current is not needed, exciting loss is avoided, the efficiency and the power density of the motor are improved, and the rotor is an important component in the permanent magnet motor.

However, the motor shaft of the existing permanent magnet motor rotor is inconvenient for workers to assemble, so that the practicability of equipment is greatly reduced, and therefore, a motor shaft structure convenient for assembling the permanent magnet motor rotor is provided for solving the problems.

Disclosure of Invention

The utility model aims to provide a motor shaft structure which is convenient for assembling a permanent magnet motor rotor so as to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a motor shaft structure convenient to equipment permanent magnet motor rotor, includes the permanent magnet, the positive fixedly connected with first baffle of permanent magnet, the inner wall fixedly connected with rotor body of permanent magnet, the positive fixedly connected with stopper of rotor body, spacing hole has been seted up to the front of stopper, the first bearing of surface fixedly connected with of rotor body, square draw-in groove has been seted up to the back of rotor body, circular draw-in hole has been seted up to the inner wall of square draw-in groove.

In a further embodiment, a second baffle is fixedly connected to the back of the permanent magnet, and a second bearing is fixedly connected to the outer surface of the rotor body.

In a further embodiment, the permanent magnet is composed of a plurality of single-piece magnets, and the first baffle and the second baffle are both made of stainless steel.

In a further embodiment, the outer surface of the rotor body is fixedly connected with a third bearing, and the outer surface of the third bearing is fixedly connected with heat dissipation blades which are annularly arranged.

In a further embodiment, the front surface of the permanent magnet is provided with first heat dissipation holes in annular arrangement, and the front surface of the permanent magnet is provided with second heat dissipation holes in annular arrangement.

Compared with the prior art, the utility model has the beneficial effects that:

this device is through the cooperation of first bearing, second bearing, spacing hole, square draw-in groove, square draw-in hole and stopper, can make things convenient for the staff to assemble equipment, and first baffle, second baffle, first louvre, second louvre and the cooperation of heat dissipation fan have not only increased the bulk strength of equipment by a wide margin, can make the radiating effect of equipment better moreover to increased the practicality of equipment by a wide margin.

Drawings

Fig. 1 is a schematic perspective view of a motor shaft structure for facilitating assembly of a permanent magnet motor rotor.

Fig. 2 is a rear view of a motor shaft structure that facilitates assembly of a permanent magnet motor rotor.

Fig. 3 is a side view of a motor shaft structure that facilitates assembly of a permanent magnet motor rotor.

Fig. 4 is a side cross-sectional view of a rotor body in a motor shaft configuration that facilitates assembly of a permanent magnet motor rotor.

In the figure: 1. a permanent magnet; 2. a first baffle; 3. a rotor body; 4. a first bearing; 5. a limiting block; 6. a limiting hole; 7. square clamping groove; 8. a circular clamping hole; 9. a second baffle; 10. a second bearing; 11. a third bearing; 12. radiating fan blades; 13. a first heat radiation hole; 14. and a second heat dissipation hole.

Detailed Description

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", 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 devices or elements 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", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; 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 in a specific case.

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, in the motor shaft structure for facilitating assembly of a permanent magnet motor rotor of the present utility model, the motor shaft structure comprises a permanent magnet 1, a first baffle 2 is fixedly connected to the front surface of the permanent magnet 1, a rotor body 3 is fixedly connected to the inner wall of the permanent magnet 1, a limiting block 5 is fixedly connected to the front surface of the rotor body 3, a limiting hole 6 is formed in the front surface of the limiting block 5, a first bearing 4 is fixedly connected to the outer surface of the rotor body 3, a square clamping groove 7 is formed in the back surface of the rotor body 3, and a circular clamping hole 8 is formed in the inner wall of the square clamping groove 7.

The back fixedly connected with second baffle 9 of permanent magnet 1, the surface fixedly connected with second bearing 10 of rotor body 3, permanent magnet 1 comprises a plurality of monolithic magnets, and first baffle 2 and second baffle 9 are stainless steel, have not only increased the bulk strength of permanent magnet 1 by a wide margin, can prevent moreover that first baffle 2 and second baffle 9 from appearing rusty condition.

The outer surface fixedly connected with third bearing 11 of rotor body 3, the surface fixedly connected with annular arrangement's of third bearing 11 heat dissipation flabellum 12, annular arrangement's first louvre 13 has been seted up in the front of permanent magnet 1, and annular arrangement's second louvre 14 has been seted up in the front of permanent magnet 1, can make the radiating effect of equipment better to increased the practicality of equipment by a wide margin.

The working principle of the utility model is as follows: firstly, the staff can utilize stopper 5, spacing hole 6, square draw-in groove 7 and circular draw-in hole 8 to install equipment, and at the in-process of equipment work, heat dissipation flabellum 12 can blow to permanent magnet 1, and then heat can be discharged through first louvre 13 and second louvre 14, and the setting of first baffle 2 and second baffle 9 can prevent that permanent magnet 1 from appearing the condition of displacement at the in-process of work to accomplish the protection operation to permanent magnet 1.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims (5)

1. A motor shaft structure convenient to equipment permanent-magnet machine rotor, its characterized in that: including permanent magnet (1), the positive fixedly connected with first baffle (2) of permanent magnet (1), the inner wall fixedly connected with rotor body (3) of permanent magnet (1), the positive fixedly connected with stopper (5) of rotor body (3), spacing hole (6) have been seted up in the front of stopper (5), the surface fixedly connected with first bearing (4) of rotor body (3), square draw-in groove (7) have been seted up at the back of rotor body (3), circular draw-in hole (8) have been seted up to the inner wall of square draw-in groove (7).

2. A motor shaft structure for facilitating assembly of a permanent magnet motor rotor as defined in claim 1, wherein: the back of the permanent magnet (1) is fixedly connected with a second baffle (9), and the outer surface of the rotor body (3) is fixedly connected with a second bearing (10).

3. A motor shaft structure for facilitating assembly of a permanent magnet motor rotor as defined in claim 2, wherein: the permanent magnet (1) consists of a plurality of single-piece magnets, and the first baffle (2) and the second baffle (9) are made of stainless steel.

4. A motor shaft structure for facilitating assembly of a permanent magnet motor rotor as defined in claim 1, wherein: the outer surface of the rotor body (3) is fixedly connected with a third bearing (11), and the outer surface of the third bearing (11) is fixedly connected with radiating fan blades (12) which are annularly arranged.

5. A motor shaft structure for facilitating assembly of a permanent magnet motor rotor as defined in claim 1, wherein: the front of the permanent magnet (1) is provided with first heat dissipation holes (13) which are annularly arranged, and the front of the permanent magnet (1) is provided with second heat dissipation holes (14) which are annularly arranged.