CN202231512U

CN202231512U - Rotor component structure

Info

Publication number: CN202231512U
Application number: CN2011203108448U
Authority: CN
Inventors: 廖明刚
Original assignee: Zhongshan Broad Ocean Motor Co Ltd
Current assignee: Zhongshan Broad Ocean Motor Co Ltd
Priority date: 2011-08-25
Filing date: 2011-08-25
Publication date: 2012-05-23
Anticipated expiration: 2021-08-25

Abstract

The utility model discloses a rotor component structure. The rotor component structure comprises a plastic magnetic body (1) and a rotating shaft (4), wherein the plastic magnetic body (1) comprises an inner cylinder (13) and an outer cylinder (14); a magnet body through-hole (11) for mounting the rotating shaft (4) is formed in the middle of the inner cylinder (13); and the inner cylinder (13) and the outer cylinder (14) are connected through a plurality of ribs (12). The rotor component structure further comprises a plurality of dynamic balancing blocks (2), rib grooves (120) are formed on the ribs (12), and the dynamic balancing blocks (2) are embedded into the rib grooves (120) and used for correcting the dynamic balance of a rotor. The rotor component structure is simple, stable and reliable, can be mounted conveniently, and has simplicity and convenience in operation and high efficiency during dynamic balance calibration.

Description

A kind of rotor component construction

Technical field:

The utility model relates to a kind of rotor component construction, belongs to the dc brushless motor field.

Background technology:

At present, the rotor assembly of dc brushless motor includes only rotating shaft, rotor core and permanent magnet usually; Permanent magnet sticks on the rotor core, for guaranteeing that rotor assembly normally moves, need carry out dynamic balance calibration to rotor; Usually use weighting procedure, promptly on rotor core, paste clay, but because clay sticks on insecure on the rotor, stable; Come off easily, and then cause motor to occur unusual even cause potential safety hazard.

Summary of the invention:

The purpose of the utility model provides a kind of rotor component construction, and through setting up the dynamic balancing piece, dynamic balance calibration is carried out in adjustment to the dynamic balancing piece, and is simple in structure, easy for installation, reliable and stable, and is easy and simple to handle when proofreading and correct dynamic balancing, efficient is high.

The purpose of the utility model is to be achieved through following technical scheme.

A kind of rotor component construction; Comprise and mould magnet and rotating shaft, the described magnet of moulding comprises inner core and urceolus, is provided with the magnet through hole that rotating shaft is installed in the middle of the inner core; Inner core is connected through some ribs with urceolus; It also comprises some dynamic balancing pieces, and rib is provided with the rib groove, and the dynamic balancing piece embeds in the rib groove and proofreaies and correct rotor dynamic balancing.

Above-mentioned described some dynamic balancing pieces are 4 iron blocks.

The quantity of above-mentioned described some ribs is 4, is evenly distributed between inner core and the urceolus.

Above-mentioned described inner core, urceolus and rib are integrated through injection molding.

Above-mentionedly describedly mould magnet and the dynamic balancing piece is an integrated through injection molding.

A kind of rotor component construction; Comprise rotor core, rotating shaft and permanent magnet; Permanent magnet is installed in the rotor core outside wall surface, is provided with the iron core through hole that rotating shaft is installed in the middle of the rotor core, and it also comprises some dynamic balancing pieces; On the iron core through hole outside, rotor core, offer the iron core groove, the dynamic balancing piece embeds in the iron core groove and proofreaies and correct rotor dynamic balancing.

Above-mentioned described some dynamic balancing pieces are 4 iron blocks, are evenly distributed on the rotor core.

Above-mentioned described dynamic balancing piece and iron core groove interference fit.

The utility model beneficial effect compared with prior art is: 1) the utility model comprises some dynamic balancing pieces; Rib is provided with the rib groove; The dynamic balancing piece embeds in the rib groove and proofreaies and correct rotor dynamic balancing, and is simple in structure, easy for installation; Reliable and stable, easy and simple to handle when proofreading and correct dynamic balancing, efficient is high; 2) quantity of some ribs is 4, is evenly distributed between inner core and the urceolus, and is stressed even, reasonable in design; 3) inner core, urceolus and rib are integrated through injection molding, mould magnet and the dynamic balancing piece is an integrated through injection molding, are suitable for to produce in batches, and production efficiency is high; 4) the utility model comprises some dynamic balancing pieces, on the iron core through hole outside, rotor core, offers the iron core groove, and the dynamic balancing piece embeds in the iron core groove and proofreaies and correct rotor dynamic balancing; Simple in structure; Easy for installation, reliable and stable, easy and simple to handle when proofreading and correct dynamic balancing, efficient is high; 5) some dynamic balancing pieces are 4 iron blocks, are evenly distributed on the rotor core, distribute rationally, and the correction dynamic balancing is easy.

Description of drawings:

Fig. 1 is the structural representation of the utility model embodiment one;

Fig. 2 is the vertical view of the utility model embodiment one;

Fig. 3 is the structural representation of the utility model embodiment two;

Fig. 4 is the vertical view of the utility model embodiment two.

Embodiment:

Below through specific embodiment and combine accompanying drawing that the utility model is described in further detail.

Embodiment one, and is as depicted in figs. 1 and 2, a kind of rotor component construction of the utility model; Comprise and mould magnet 1 and rotating shaft 4 that the described magnet 1 of moulding comprises inner core 13 and urceolus 14, is provided with the magnet through hole 11 that rotating shaft 4 is installed in the middle of the inner core 13; Inner core 13 is connected through some ribs 12 with urceolus 14; It also comprises some dynamic balancing pieces 2, and rib 12 is provided with rib groove 120, and dynamic balancing piece 2 embeds 120 li of rib grooves and proofreaies and correct rotor dynamic balancing; Some dynamic balancing pieces 2 are 4 iron blocks; The quantity of some ribs 12 is 4, is evenly distributed between inner core 13 and the urceolus 14; Inner core 13, urceolus 14 and rib 12 are integrated through injection molding; Moulding magnet 1 is integrated through injection molding with dynamic balancing piece 2.

Embodiment two, like Fig. 3 and shown in Figure 4, and a kind of rotor component construction of the utility model; Comprise rotor core 3, rotating shaft 4 and permanent magnet 5; Permanent magnet 5 is installed in rotor core 3 outside wall surface, is provided with the iron core through hole 31 that rotating shaft 4 is installed in the middle of the rotor core 3, and it also comprises some dynamic balancing pieces 2; On iron core through hole 31 outsides, rotor core 3, offer iron core groove 32, dynamic balancing piece 2 embeds 32 li of iron core grooves and proofreaies and correct rotor dynamic balancing; Some dynamic balancing pieces 2 are 4 iron blocks, are evenly distributed on the rotor core 3; Dynamic balancing piece 2 and iron core groove 32 interference fit.

The rib 12 that passes through of the utility model is provided with rib groove 120; Dynamic balancing piece 2 embeds 120 li of rib grooves and proofreaies and correct rotor dynamic balancing or on iron core through hole 31 outsides, rotor core 3, offer iron core groove 32; Dynamic balancing piece 2 embeds 32 li of iron core grooves and proofreaies and correct rotor dynamic balancing; Effectively solve clay stick on insecure on the rotor, stable, problem such as come off easily, and make things convenient for rotor dynamic balancing to proofread and correct.

Claims

1. rotor component construction; Comprise and mould magnet (1) and rotating shaft (4), the described magnet (1) of moulding comprises inner core (13) and urceolus (14), is provided with the magnet through hole (11) that rotating shaft (4) is installed in the middle of the inner core (13); Inner core (13) is connected through some ribs (12) with urceolus (14); It is characterized in that: it also comprises some dynamic balancing pieces (2), and rib (12) is provided with rib groove (120), and dynamic balancing piece (2) embeds rib groove (120) lining and proofreaies and correct rotor dynamic balancing.

2. a kind of rotor component construction according to claim 1 is characterized in that: some dynamic balancing pieces (2) are 4 iron blocks.

3. a kind of rotor component construction according to claim 1 is characterized in that: the quantity of some ribs (12) is 4, is evenly distributed between inner core (13) and the urceolus (14).

4. according to claim 1 or 2 or 3 described a kind of rotor component constructions, it is characterized in that: inner core (13), urceolus (14) and rib (12) are integrated through injection molding.

5. a kind of rotor component construction according to claim 1 is characterized in that: mould magnet (1) and dynamic balancing piece (2) is an integrated through injection molding.

6. rotor component construction; Comprise rotor core (3), rotating shaft (4) and permanent magnet (5); Permanent magnet (5) is installed in rotor core (3) outside wall surface, is provided with the iron core through hole (31) that rotating shaft (4) is installed in the middle of the rotor core (3), and it is characterized in that: it also comprises some dynamic balancing pieces (2); On iron core through hole (31) outside, rotor core (3), offer iron core groove (32), dynamic balancing piece (2) embeds iron core groove (32) lining and proofreaies and correct rotor dynamic balancing.

7. a kind of rotor component construction according to claim 6 is characterized in that: some dynamic balancing pieces (2) are 4 iron blocks, are evenly distributed on the rotor core (3).

8. according to claim 6 or 7 described a kind of rotor component constructions, it is characterized in that: dynamic balancing piece (2) and iron core groove (32) interference fit.