CN2572076Y - Rotor structure - Google Patents

Abstract

The utility model relates to a rotor structure. The utility model is characterized in that the wheel boss is provided with an inner top plane and an inner annular wall, and the wheel boss is provided with a plurality of fasteners; a metal ring is combined on the inner annular wall of the wheel boss and provided with a fastening edge, and the fasteners arranged on the wheel boss are fastened and combined into integration by the fastening edge; a magnet ring is combined in the metal ring and combined with the metal ring into integration. The temperature of a die can be controlled, a plurality of wheel bosses can be simultaneously molded by a single die, the manufacture speed of the wheel bosses is quick, and manufacture cost can also be reduced; each of the molded wheel bosses has uniform quality, so the wheel boss can be rapidly combined with the metal ring and the magnet ring. Therefore, when the wheel boss of the utility model is made into a fan wheel, the effect of balanceable rotation can be obtained.

Description

Rotor configuration

Technical field

The utility model relates to rotor, refers to a kind of rotor configuration with impeller function especially, the wherein metal ring of this rotor, magnet ring and its wheel hub itself manufacturing easily, and can make metal ring conveniently form firm combining simultaneously with wheel hub.

Background technique

Referring to Fig. 1, a kind of known fan motor, this motor 90 is provided with the stator 93 of a tool coil by the external diameter of the central siphon 92 of a shell block 91, the internal diameter of this central siphon 92 is provided with bearing 94, in order to articulate the central shaft 96 of rotor 95, this rotor 95 is provided with metal ring 97, magnet ring 98, this metal ring 97, magnet ring 98 combine with rotor 95, as No. the 479616th, the Taiwan patent " mold structure of one-body molded impeller " of applying for before the claimant, be that this metal ring 97, magnet ring 98 are inserted in the mould of this impeller of moulding, make this metal ring 97, magnet ring 98 and impeller one-body molded.

Can form the rotation of balance when rotating for the impeller that makes this moulding, this known metal ring, magnet ring and impeller are with integrated manufacture, its shaping die once can only be penetrated impeller finished product of system, if this mould is once during the above impeller finished product of two of moulding simultaneously, can be because of inserting each metal ring in each mould in advance, the temperature difference of magnet ring, cause each time the shaping die temperature accurately to be controlled, the flowing velocity of plastic material in mould that forms fusion can be different, cause plastic material respectively with the metal ring that places the different temperatures in this die cavity, after the magnet ring contact, also have Different Results, therefore, the mode of these several impellers of once-through, can't reach each impeller of control certain spin balancing effect is all arranged, the resulting product yield of the mode of commonly using that is several impellers of once-through can't reach predetermined requirement, therefore, commonly use and the integrated impeller of metal ring, it once can only problem that speed of production is slow and cost is expensive of moulding.

Summary of the invention

The purpose of this utility model, be to provide a kind of rotor configuration, the wheel hub of this rotor can be produced fast by single mold moulding simultaneously multimode cave mode, and the rotor hub after the moulding can be easily and fast firmly in conjunction with metal ring and magnet ring, this impeller can be by the rapid processing moulding again, and cost of production can be lowered.

For reaching above-mentioned purpose, a kind of rotor configuration of the present utility model mainly comprises: a wheel hub, a metal ring and a magnet ring; It is characterized in that:

This wheel hub has a Nei Ding plane and an internal ring wall, and is provided with several fasteners; This metal ring is combined in the internal ring wall of wheel hub and is provided with a buckle edge, and this buckle edge can be combined as a whole for the set fastener buckle of wheel hub; This magnet ring is bonded in the metal ring and with metal ring and becomes one.Wherein:

Described fastener has barb, and is located at the Nei Ding plan-position of wheel hub, and the buckle edge of this metal ring is then formed by the antelabium that the one end protrudes; Make this fastener be buckled in the antelabium that metal ring one end protrudes with barb, the combination that forms the two is fixed.

Described fastener has barb, and is extended to form by the bottom of wheel hub, and this metal ring then forms the buckle edge by its root edge, makes fastener be buckled in the root edge of metal ring with barb, and the combination that forms the two is fixed.

The internal ring wall of described wheel hub is provided with several and axially protrudes rib, and the circle diameter of this metal ring protrudes the circle diameter of rib institute corral greater than this wheel hub number, makes this metal ring outer wall can become closely inlay card at the internal ring wall of this wheel hub.

Described wheel hub Nei Ding plane middle position is established an axle bed, and this axle bed is in conjunction with a central shaft.

Described wheel hub outer wall is established several blades to form an impeller.

Described convex rib number, buckle number of packages are odd number.

Since wheel hub of the present utility model needn't be when moulding built-in metal ring and magnet ring, therefore, making the mould time that opens and closes of this wheel hub can accurately be controlled, so this die temperature can be controlled, many wheel hubs of i.e. this single mold moulding simultaneously, so, the manufacturing speed of this wheel hub is accelerated, and manufacture cost also can be lowered, moreover each wheel hub of institute's moulding has unified quality, so can combine fixing apace with magnet ring for metal ring, can obtain the effect of balance rotating when therefore, wheel hub of the present utility model is made impeller.

Description of drawings

Fig. 1 is the assembled sectional view of known impeller structure.

Fig. 2 is the three-dimensional exploded view of the utility model first preferred embodiment.

Fig. 3 is the assembled sectional view of the utility model first preferred embodiment.

Fig. 4 is for along the 4-4 line sectional view among Fig. 3.

Fig. 5 is the assembled sectional view of the utility model second preferred embodiment.

Fig. 6 is the partial enlarged drawing at 6 places shown in Fig. 5.

Embodiment

Referring to Fig. 2, the utility model first preferred embodiment, a kind of rotor configuration mainly is made up of members such as a wheel hub 1, a metal ring 2 and magnet rings 3; Wherein:

Wheel hub 1 has a Nei Ding plane 11 and an internal ring wall 14, these Nei Ding plane 11 middle positions are established an axle bed 111 with in conjunction with a central shaft 12, rotation can be articulated by this central shaft 12, the external annulus of this wheel hub 1 can form number blade 13 and become an impeller, establish several axial fins 141 at the internal ring wall 14 of this wheel hub 1, in the present embodiment, it is preferable when the bar number form of this fin 141 becomes odd number, 11 positions, Nei Ding plane of this wheel hub 1 are provided with several fasteners 15, this fastener 15 has barb 151, for this fastener 15 can be struck, on the plane 11, wheel hub 1 top of these fastener 15 sides, be provided with hole 16, this hole 16 can supply bar, columns such as rod stretch into, in order to stir, pushing tow fastener 15, this fastener 15 is that odd number is preferable.

Metal ring 2 is provided with a buckle edge 21, this buckle edge 21 is formed by the antelabium of the set protrusion of metal ring one end, this buckle edge 21 can be for fastener 15 with barb 151 buckles, these metal ring 2 inner ring surfaces can supply a magnet ring 3 combinations, make this metal ring 2 and magnet ring 3 firm being combined as a whole, in conjunction with after metal ring 2 and magnet ring 3 can be embedded in the internal ring wall 14 of wheel hub 1, and the slightly larger in diameter of this metal ring 2 in or equal the circle diameter that 141 corrals of number fins become, make this metal ring 2 and the magnet ring 3 can be with the mode inlay card of combining closely at these wheel hub 11 internal ring walls 14.

Referring to Fig. 3,4, during the desire assembling, earlier this metal ring 2 is combined as a whole securely with magnet ring 3, again both are embedded in together in this wheel hub 1 internal ring wall 14, since the slightly larger in diameter of this metal ring 2 in or equal the circle diameter that this count 141 corrals one-tenth of fin, therefore, these fins 141 can become embedding more closely to be sandwiched in this metal ring 2, and when the fin 141 of this wheel hub 1 is the odd number bar, this fin 141 can form this metal ring 2 of clamping of asymmetric, has preferable fixed effect, moreover, the buckle edge 21 of this metal ring 2 can make this metal ring 2 can form the firm internal ring wall that is combined in this wheel hub 1 14 with magnet ring 3 for fastener 15 with barb 151 buckles; When the metal ring 2 of this combination and magnet ring 3 desires were taken out in wheel hub 1, columns such as also available bar, rod were stretched into by hole 16, in order to pushing tow, stir fastener 15, made this metal ring 2 and the magnet ring 3 can be by the top from this wheel hub 1.

Referring to Fig. 5,6, be the utility model second preferred embodiment, its structure and first embodiment are basic identical, difference is: its fastener 15 is extended to form by internal ring wall 14 bottoms of wheel hub 1, this fastener 15 has the barb 151 of one equally, and can be buckled in by the formed buckle edge 21 of metal ring 2 root edges with this barb 151, make this metal ring 2 and the magnet ring 3 can be by the internal ring wall 14 of snap fit at wheel hub 11.

Wheel hub 1 of the present utility model can be by the moulding simultaneously of the mould with multimode cave, because this wheel hub 1 is when moulding, buried metal ring 2 and magnet ring 3 again, therefore, the mould of this moulding wheel hub 1 can be controlled its switching time accurately, so that can be controlled in the temperature of this mould, therefore, this wheel hub 1 can be by many wheel hubs of single mold moulding simultaneously 1, so, the manufacturing speed of this wheel hub 1 accelerates, and manufacture cost also can be lowered, moreover each wheel hub 1 after institute's moulding also can combine fixing quickly and easily with magnet ring 3 for metal ring 2, therefore the wheel hub of this creation can form unified quality, and wheel hub can obtain the effect of balance rotating when making impeller.

Claims (8)

1, a kind of rotor configuration mainly comprises: a wheel hub, a metal ring and a magnet ring; It is characterized in that: this wheel hub has a Nei Ding plane and an internal ring wall, and is provided with several fasteners; This metal ring is combined in the internal ring wall of wheel hub and is provided with a buckle edge, and this buckle edge can be combined as a whole for the set fastener buckle of wheel hub; This magnet ring is bonded in the metal ring and with metal ring and becomes one.

2, rotor configuration according to claim 1 is characterized in that: described fastener has barb, and is located at the Nei Ding plan-position of wheel hub, and the buckle edge of this metal ring is then formed by the antelabium that the one end protrudes; Make this fastener be buckled in the antelabium that metal ring one end protrudes with barb, the combination that forms the two is fixed.

3, rotor configuration according to claim 1, it is characterized in that: described fastener has barb, and is extended to form by the bottom of wheel hub, and this metal ring then forms the buckle edge by its root edge, make fastener be buckled in the root edge of metal ring with barb, the combination that forms the two is fixed.

4, rotor configuration according to claim 1, it is characterized in that: the internal ring wall of described wheel hub is provided with several and axially protrudes rib, and the circle diameter of this metal ring protrudes the circle diameter of rib institute corral greater than this wheel hub number, makes this metal ring outer wall can become closely inlay card at the internal ring wall of this wheel hub.

5, rotor configuration according to claim 1 is characterized in that: described wheel hub Nei Ding plane middle position is established an axle bed, and this axle bed is in conjunction with a central shaft.

6, rotor configuration according to claim 1 is characterized in that: described wheel hub outer wall is established several blades to form an impeller.

7, rotor configuration according to claim 1 is characterized in that: described convex rib number is an odd number.

8, rotor configuration according to claim 1 is characterized in that: described buckle number of packages is an odd number.