CN202616899U - Motor and motor rotor thereof - Google Patents
Motor and motor rotor thereof Download PDFInfo
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- CN202616899U CN202616899U CN 201220036166 CN201220036166U CN202616899U CN 202616899 U CN202616899 U CN 202616899U CN 201220036166 CN201220036166 CN 201220036166 CN 201220036166 U CN201220036166 U CN 201220036166U CN 202616899 U CN202616899 U CN 202616899U
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- 230000005291 magnetic effect Effects 0.000 claims abstract description 201
- 238000005452 bending Methods 0.000 claims abstract description 18
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 115
- 239000004568 cement Substances 0.000 claims description 15
- 230000015572 biosynthetic process Effects 0.000 claims description 9
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- 230000035699 permeability Effects 0.000 claims description 9
- 239000002184 metal Substances 0.000 claims description 8
- 239000007769 metal material Substances 0.000 claims description 2
- 230000002093 peripheral effect Effects 0.000 abstract description 3
- 230000005389 magnetism Effects 0.000 abstract 2
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- 230000001419 dependent effect Effects 0.000 description 2
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Abstract
A motor, comprising: a base with a shaft connection part, a stator group is arranged outside the shaft connection part, and the base is provided with a magnetic part; and a motor rotor rotatably disposed on the coupling portion of the base, and the motor rotor includes a hub and a permanent magnet, the hub has a base, the center of the base is provided with a rotating shaft, and the periphery of the base is provided with a ring wall, the ring wall has an inner side peripheral wall surrounding the rotating shaft, the permanent magnet has a magnetic sensing portion, one end of the magnetic sensing portion radially extends to form a balanced magnetic suction portion, the balanced magnetic suction portion and the magnetic sensing portion are integrally formed to form a bending section, the magnetic sensing portion is combined with the inner side peripheral wall of the ring wall of the hub, and a radial air gap is provided between the magnetic sensing portion and the stator set, and the balanced magnetic suction portion corresponds to the magnetic suction portion for magnetically sucking the base. The utility model discloses a permanent magnet's radial extension, and the area is inhaled to relative increase permanent magnet's effective magnetism to the effort is inhaled to the magnetism that maintains the preferred, promotes rotor pivoted stability.
Description
Technical field
The utility model is relevant for a kind of motor, particularly a kind of motor and motor rotor thereof with rotor balancing function.
Background technology
Please with reference to shown in Figure 1, announce I257757 patent case like TaiWan, China, it discloses a kind of rotor balance structure of motor 8, and this motor 8 comprises a pedestal 81, at least one first balanceable magnet 82, a rotor 83 and at least one second balanceable magnet 84.Wherein, be supported with a stator 811 on this pedestal 81; This first balanceable magnet 82 is located on this pedestal 81, and this first balanceable magnet 82 has a surface 821 at least; This rotor 83 is provided with an axostylus axostyle 831 and an annular magnet 832, these axostylus axostyle 831 rotating this stators 811 that are incorporated into, 832 inner peripheral surfaces that are located on this rotor 83 of this annular magnet; This second balanceable magnet 84 is fixedly arranged on this rotor 83, and this second balanceable magnet 84 has the surface 821 that 841 pairs on a surface should first balanceable magnet 82 at least.Whereby; 821,841 existing dissimilar polarities in corresponding surface through this first balanceable magnet 82 and second balanceable magnet 84; Corresponding magnetic on can producing axially in the surface of this first balanceable magnet 82 and second balanceable magnet 84, and then effectively keep the spin balancing of this rotor 83.
Yet the rotor balance structure 8 of above-mentioned existing motor need be dependent on the additional designs of this first balanceable magnet 82, can keep the spin balancing of motor rotor through the magnetic effect of this first balanceable magnet 82 and second balanceable magnet 84.So; Because this second balanceable magnet 84 only amplexiforms in these ring magnet 832 bottoms; So that this second balanceable magnet 84 is obviously not enough with respect to the magnetic area of this first balanceable magnet 82; So can't keep preferable magnetic active force in down long-time and 82 of this first balanceable magnets, and influence rotor 83 rotational stabilizations of existing motor relatively.Even; The rotor balance structure 8 of existing motor also must combine this second balanceable magnet 84 in annular magnet 832 bottoms of this rotor 83 in addition; So that to should first balanceable magnet 82 produce the effect of mutual magnetic; So often easily when motor structure assemble, because of the extra assembling of this second balanceable magnet 84 reduces the convenience that motor is assembled relatively.In addition, the certain thickness that more possibly had because of this first balanceable magnet 82 supplies this first balanceable magnet to establish for 82 groups and must be reserved with between proper air, so that the axial height of existing motor can't effectively reduce all the time.
On the other hand; Please with reference to shown in Figure 2; Announce M243848 patent case like TaiWan, China, it discloses spin balancing structure of another kind of existing motor 9, and this motor 9 comprises a pedestal 91, a stator 92, a rotor 93, a becket 94 and a balanceable magnet sheet 95.Wherein, this stator 92 is located on this pedestal 91, and this stator 92 has 921 and one coil 922 unshakable in one's determination, uses and produces alternating magnetic field for energising; This rotor 93 is provided with an annular magnet 931, and this annular magnet 931 is in order to responding to the alternating magnetic field of this stator 92, and drives this rotor 93 and rotate; This becket 94 is located at the root edge of this rotor 93; 95 pairs of this balanceable magnet sheets should beckets 94 and are located on this pedestal 91.Whereby, when this rotor 93 rotated, the becket 94 that this balanceable magnet sheet 95 can this rotor 93 of constant magnetic was to keep the spin balancing of this rotor 93.
Yet, can be provided with through this becket 94 although should have the spin balancing structure 9 of motor now, and effectively promote the magnetic area of this becket 94 with respect to this balanceable magnet sheet 95, keep the better balance magnetic active force of motor whereby.But, because the spin balancing of existing motor structure 9 is dependent on this pedestal 91 set balanceable magnet sheet 95 and the magnetic effect between this becket 94, the rotor balancing function in the time of can reaching motor and rotate.So, because of this becket 94 must be loaded between this annular magnet 931 and rotor 93 inwalls by extra structure, so that among the groups of motors process of assembling, the loaded down with trivial details step when having additional member to be provided with of certainly will deriving, and reduce the convenience of motor assembling relatively.Still more; Above-mentioned existing motor still must be reserved with between proper air between this becket 94 and pedestal 91; This balanceable magnet sheet 95 is amplexiformed in the surface of this pedestal 91, and consequently existing motor remains unchanged because of the existence of this balanceable magnet sheet 95, and can't reduce its axial height; The design field of motor miniaturization be can not effectively be applied to eventually, and the practicality and the value of motor reduced relatively.
In view of this, be necessary to develop a kind of motor and motor rotor thereof that increases rotor rotation stability and reduce the motor axial height simultaneously really, with effective simplification motor structure and solve aforesaid problem.
The utility model content
The utility model main purpose is to improve above-mentioned shortcoming; So that a kind of motor and motor rotor thereof to be provided, it can directly pass through the radially extension of permanent magnet, and increases effective magnetic area of permanent magnet relatively; Keeping preferable magnetic active force, and then promote the stability of rotor rotation.
The utility model time purpose provides a kind of motor and motor rotor thereof; Can directly effectively promote its magnetic area through the radially extension of permanent magnet; But need not the extra again element that other magnetic are set, to simplify motor configuration and to promote the motor packaging efficiency.
The utility model purpose again provides a kind of motor and motor rotor thereof, and it is the corresponding magnetic metal base of permanent magnet through radially extending directly, and the magnetic element setting of saving base-plates surface, with the axial height of effective reduction motor.
For reaching aforementioned utility model purpose, the described motor of the utility model comprises: a pedestal, have an axis part, and this axis part outer setting stator group, and this pedestal is provided with a magnetic portion; Reach a motor rotor, rotatably be arranged at the axis part of this pedestal, and this motor rotor comprises a wheel hub and a permanent magnet; This wheel hub has a base portion, and these base portion central authorities are provided with a rotating shaft, and this base portion periphery is provided with a ringwall; This ringwall has the inboard perisporium around this rotating shaft; This permanent magnet has a magnet sensing part and a balance magnetic portion, and this balance magnetic portion is located at an end of this magnet sensing part, and this magnet sensing part radially extends outside this wheel hub certainly; And this balance magnetic portion and this magnet sensing part are one-body molded to form a bending segment; This magnet sensing part is incorporated into the inboard perisporium of the ringwall of this wheel hub, and has radial air gap between this magnet sensing part and this stator pack, and the magnetic portion of corresponding this pedestal of magnetic of balance magnetic portion.
Wherein, the described motor rotor of the utility model comprises: a wheel hub, have a base portion, and these base portion central authorities are provided with a rotating shaft, and this base portion periphery is provided with a ringwall, and this ringwall has the inboard perisporium around this rotating shaft; An and permanent magnet; Have a magnet sensing part and a balance magnetic portion; This balance magnetic portion is located at an end of this magnet sensing part; And this magnet sensing part radially extends outside this wheel hub certainly, and this balance magnetic portion and this magnet sensing part are one-body molded to form a bending segment, and this magnet sensing part is incorporated into the inboard perisporium of the ringwall of this wheel hub.
Wherein, this pedestal is the magnetic conduction pedestal of being processed by permeability magnetic material, and the base-plates surface of tool magnetic conduction is this magnetic portion.
Perhaps, this pedestal is a plastic seat body, and the magnetic portion of this pedestal is amplexiformed in this base-plates surface by a magnetic guiding loop to form.
Wherein, this pedestal is a plastic seat body, and this plastic cement pedestal one ejection formation coats this magnetic guiding loop, and this magnetic guiding loop only is arranged at balance magnetic portion part that should permanent magnet, and part is exposed to outside this pedestal, and as the magnetic portion of this pedestal.Also or, this pedestal is a plastic seat body, and this plastic cement pedestal one ejection formation coats this magnetic guiding loop, this magnetic guiding loop only is arranged at balance magnetic portion part that should permanent magnet, and complete packet is overlying in this plastic cement pedestal, and as the magnetic portion of this pedestal.
In addition, this pedestal is the magnetic conduction pedestal of being processed by permeability magnetic material, and coats the pedestal of this tool magnetic conduction by a plastic cement axis part one ejection formation; Perhaps, this pedestal is the magnetic conduction pedestal of being processed by permeability magnetic material, and these tool magnetic conduction pedestal central authorities are formed with a central siphon seat in addition, and this central siphon seat is in order to accept this axis part.
Even this base-plates surface is established a metallic circuit in addition, and this metallic circuit surface is as the magnetic portion of this pedestal.Perhaps, this pedestal is processed by metal material, and this metal base surface sets circuit, and forms a metallic circuit, and this metallic circuit surface is as the magnetic portion of this pedestal.
Hold the above, described motor of the utility model and motor rotor thereof can also be in addition be provided with an envelope magnetic spare in addition between the inboard perisporium of the ringwall of the magnet sensing part of this permanent magnet and this wheel hub.
Wherein, this ringwall is formed with a bottom that connects this inboard perisporium in addition, and this balance magnetic portion is located on the bottom of the ringwall of this wheel hub.
Wherein, the magnet sensing part of this permanent magnet is incorporated into the inboard perisporium of the ringwall of this wheel hub with can being loop shaped, and this balance magnetic portion extends outside this wheel hub from this magnet sensing part, and is located on the bottom of the ringwall of this wheel hub.
Wherein, the bending segment of this permanent magnet forms an arc portion, and this arc portion is positioned at the surface of this permanent magnet towards this stator pack.Perhaps, the bending segment of this permanent magnet forms a chamfered section, and this chamfer site is in the surface of this permanent magnet towards this stator pack; Moreover the bending segment of this permanent magnet forms a notch part, and this gap portions is in the surface of this permanent magnet towards this stator pack.
The radially extension of the utility model through permanent magnet, and increase effective magnetic area of permanent magnet relatively keeping preferable magnetic active force, and then promotes the stability of rotor rotation; But also need not the extra again element that other magnetic are set, to simplify motor configuration and to promote the motor packaging efficiency; In addition, the utility model is the corresponding magnetic metal base of permanent magnet through radially extending directly, and the magnetic element setting of saving base-plates surface, with the axial height of effective reduction motor.
Description of drawings
Fig. 1: the generalized section of the rotor spin balancing structure of existing motor.
Fig. 2: the generalized section of the spin balancing structure of existing another motor.
Fig. 3: the schematic perspective view of the utility model motor and motor rotor thereof.
Fig. 4: the generalized section of the utility model motor and motor rotor thereof.
Fig. 5: the generalized section one of the different embodiment of the utility model.
Fig. 6: the generalized section two of the different embodiment of the utility model.
Fig. 7: the generalized section three of the different embodiment of the utility model.
Fig. 8: the generalized section four of the different embodiment of the utility model.
Fig. 9: the generalized section five of the different embodiment of the utility model.
Figure 10: the generalized section six of the different embodiment of the utility model.
Figure 11: the generalized section seven of the different embodiment of the utility model.
Figure 12: the generalized section eight of the different embodiment of the utility model.
Figure 13: the generalized section nine of the different embodiment of the utility model.
Wherein:
(the utility model)
1 pedestal, 11 axis parts, 12 magnetic portions
133 retainers, 14 circuit boards, 141 magnetic portions
15 central siphon seats, 2 motor rotors, 21 wheel hubs
211 base portions, 212 rotating shafts, 213 ringwalls
22 permanent magnets, 221 magnet sensing parts, 222 balance magnetic portions
223 arc portions, 223 ' chamfered section 223 " notch part
The inboard perisporium B of 3 stator pack, 4 envelope magnetic spare W bottom
(prior art)
9 motors, 91 pedestals, 92 stators
921 922 coils, 93 rotors unshakable in one's determination
931 annular magnets, 94 beckets, 95 balanceable magnet sheets
8 motors, 81 pedestals, 811 stators
82 first balanceable magnets, 821 surperficial 83 rotors
831 axostylus axostyles, 832 ring magnets, 84 second balanceable magnets, 841 surfaces.
Embodiment
For letting the above-mentioned of the utility model and other purposes, characteristic and the advantage can be more obviously understandable, the special preferred embodiment of lifting the utility model of hereinafter, and conjunction with figs. elaborate as follows:
Please with reference to shown in Figure 3, it is the utility model one preferred embodiment, and this motor comprises a pedestal 1 and a motor rotor 2.This motor rotor 2 rotatably is mounted on this pedestal 1, and drives this motor rotor 2 rotation runnings by stator group 3.Wherein, this pedestal 1 can be used as frame structure or other suitable purposes of radiator fan.
This pedestal 1 has an axis part 11, and the external rings of this axis part 11 is provided with this stator pack 3, and this axis part 11 is in order to articulate this motor rotor 2; Again and, this pedestal 1 is provided with a magnetic portion 12, but these magnetic portion 12 usefulness are for the usefulness of magnetic.Wherein, the pedestal 1 of present embodiment is the magnetic conduction pedestal of being processed by permeability magnetic material, and pedestal 1 surface of this tool magnetic conduction is this magnetic portion 12, and the setting of saving extra magnetic absorption member whereby is convenient to promote the convenience of motor when structure is adorned.Moreover when this pedestal 1 was the metal pedestal, this axis part 11 can be and this pedestal 1 integrated metal central siphon; Perhaps, this axis part 11 also can be integrated plastic cement central siphon, and this plastic cement central siphon is arranged at the middle position of this pedestal 1.
Can supply to insert the interior arrangement 13 that difference in functionality is provided like wear plate, bearing, oil sealing or dustproof sheet etc. in this axis part 11 again.For example: the interior arrangement 13 of the utility model preferred embodiment can comprise members such as a bearing 131, a wear plate 132 and a retainer 133; So that supply this motor rotor 2 rotation running smoothly; And can prevent that this motor rotor 2 breaks away from this axis part 11 arbitrarily; For being appreciated that to hold, affiliated person skilled repeats no more.In addition, a circuit board 14 is established on this pedestal 1 surface in addition, and this circuit board 14 can be various in order to control and drive the configuration of this stator pack 3, and non-the utility model technical characterictic place, no longer sets forth.
This motor rotor 2 rotatably is arranged at the axis part 11 of this pedestal 1, and this motor rotor 2 includes a wheel hub 21 and a permanent magnet 22.This wheel hub 21 has a base portion 211, and these base portion 211 central authorities are provided with a rotating shaft 212, and these base portion 211 peripheries are provided with a ringwall 213, and this ringwall 213 has the inboard perisporium W around this rotating shaft 212, and a bottom B who connects this inboard perisporium W.Wherein, the rotating shaft 212 of present embodiment stretch through this bearing 131 and this wear plate 132 of butt are so that this rotating shaft 212 rotatably combines the interior arrangement 13 in this axis part 11; And this rotating shaft 212 also can be formed with structures such as holding groove like button, so that supply this retainer 133 butts, and then promotes the rotational stabilization of this motor rotor 2, and it is not given unnecessary details for affiliated person skilled is appreciated that appearance.
This permanent magnet 22 has a magnet sensing part 221, and these magnet sensing part 221 1 ends radially are extended with a balance magnetic portion 222.Wherein, this balance magnetic portion 222 is and these magnet sensing part 221 integrated permanent magnets, and this magnet sensing part 221 radially extends outside this wheel hub 21 certainly, and this balance magnetic portion 222 links to each other to form a bending segment with this magnet sensing part 221.Moreover this magnet sensing part 221 is incorporated into the inboard perisporium W of the ringwall 213 of this wheel hub 21, and has air gap between this magnet sensing part 221 and this stator pack 3, is formed with radial air gap between particularly as shown in the figure and this stator pack 3; The bottom B of the ringwall 213 of this wheel hub 21 can also select to be incorporated in this balance magnetic portion 222; And the magnetic portion 12 of these balance magnetic portion 222 these pedestals 1 of corresponding magnetic; Particularly as shown in the figure can be directly and corresponding magnetic effect on this pedestal 1 produces axially, but to save the extra setting of magnetic absorption member.In present embodiment, this permanent magnet 22 can utilize magnet of plastic cement magnet, ferro-gum or other suitable materials etc. to process, with preferable formation loop shaped.Also be; The magnet sensing part 221 of this permanent magnet 22 is incorporated into the inboard perisporium W of the ringwall 213 of this wheel hub 21 with can being loop shaped; And this balance magnetic portion 222 radially extends outside this wheel hub 21 from this magnet sensing part 221; More can firmly be located on the bottom B of the ringwall 213 of this wheel hub 21, whereby when increasing the magnetic area, can also effectively promote the linking steady character of this permanent magnet 22.
Hold; Configuration between the magnet sensing part 221 of this permanent magnet 22 and the balance magnetic portion 222; Outer radial towards this wheel hub 21 extends and is integrally formed as main principle from this magnet sensing part 221 with this balance magnetic portion 222, and the B in the bottom of this ringwall 213 amplexiforms in preferable this balance magnetic portion 222 that also can make of the utility model.Whereby; Can be with the magnetic portion 12 of balance magnetic portion 222 direct these pedestals 1 of corresponding magnetic of this permanent magnet 22; Radially extension with through this balance magnetic portion 222 increases the magnetic area between this permanent magnet 22 and this pedestal 1, even present embodiment is when being chosen as the pedestal 1 of tool magnetic conduction; Extra other magnetic elements that is provided with on this pedestal 1 more again; Just can produce preferable magnetic active force with this balance magnetic portion 222, increase these motor rotor 2 rotational stabilities, and effectively reduce effect such as the utility model motor axial height to reach.
These stator pack 3 sheathed periphery walls that are incorporated into this axis part 11, and preferable between this stator pack 3 and this axis part 11 can tight fit, adhesion or other suitable modes fix, to guarantee the assembling steadiness between this stator pack 3 and this axis part 11.Wherein, this stator pack 3 can be in order to drive this motor rotor 2 rotation runnings after energising, and the necessary member of its detailed operation principle and this stator pack 3 repeats no more for affiliated person skilled is appreciated that to hold.
Except that above-mentioned; Also can be provided with an envelope magnetic spare 4 in addition between the inboard perisporium W of the magnet sensing part 221 of this permanent magnet 22 and the ringwall 213 of this wheel hub 21; This envelope magnetic spare 4 is made by the metal of tool envelope magnetic effect, so that to this permanent magnet 22 an envelope magnetic action is provided.
By preceding taking off architectural feature and cooperating with reference to shown in Figure 4; After accomplishing the motor assembling of the utility model; Make the balance magnetic portion 222 of this permanent magnet 22 directly to magnetic portion 12 that should pedestal 1; And in the time of the pedestal of selecting the tool magnetic conduction for use 1, more can reduce axle that this motor rotor 2 promptly refers to reduce the utility model motor to high degree ﹝ with respect to the axle of this pedestal 1 to high degree ﹞, acting as the master in magnetic portion 12 generations magnetic of this balance magnetic portion 222 and pedestal 1.Thus; The utility model motor operates; And the permanent magnet 22 of working as this motor rotor 2 is responded to the alternating magnetic field that these stator pack 3 energisings are produced; And when ordering about this motor rotor 2 and rotating, the pedestal 1 that the balance magnetic portion 222 of this permanent magnet 22 can constant magnetic present embodiment is to keep the spin balancing of this motor rotor 2.Whereby; Because 1 of the pedestal of this balance magnetic portion 222 and tool magnetic conduction has the magnetic active force; So the utility model can be used to respond to and drive the rotation of this motor rotor 2 with whole magnetic fluxs of this permanent magnet 22, and then keeps the preferable rotating speed and the torsion of this motor rotor 2.
In sum; The principal character of the said motor of the utility model is: because this balance magnetic portion 222 directly extends also integrally formed from this magnet sensing part 221 towards these wheel hub 21 outer radials; And cooperate the magnetic portion 12 of this pedestal 1 to be provided with, thus effective magnetic area of this permanent magnet 22 can not only be increased, and make this permanent magnet 22 and 1 of pedestal keep preferable magnetic active force; Guarantee the spin balancing of this motor rotor 2 whereby, and then reach the effect that promotes these motor rotor 2 rotational stabilities.Even; When the utility model is chosen as the pedestal 1 of tool magnetic conduction; More can be through balance magnetic portion 222 these pedestals 1 of direct corresponding magnetic of this permanent magnet 22; And save in the bottom of this ringwall 213 B the loaded down with trivial details of magnetic element of fitting in addition whereby, to reach the effect of simplifying motor configuration and effectively promoting packaging efficiency.Still more; 1 of the pedestal of this balance magnetic portion 222 and tool magnetic conduction can directly produce the magnetic effect; So need not between this balance magnetic portion 222 and pedestal 1 extra structure adorns like other magnetic elements such as magnet again; Even can save the loaded down with trivial details step that the magnetic element is amplexiformed on this pedestal 1 surface, and can when stablizing these motor rotor 2 rotations, reach the effect of effective reduction motor axial height.Whereby, can be with the motor applications of the utility model in the design field of motor miniaturization, with the practicality and the market value of relative lifting motor.
Under this notion, see also Fig. 5 ~ shown in Figure 9, the utility model motor and motor rotor thereof disclose in addition has several preferred embodiments.Those preferred embodiments all include a pedestal 1 and a motor rotor 2, and this motor rotor 2 rotatably is mounted on this pedestal 1, and drive this motor rotor 2 rotation runnings by stator group 3.Wherein, this motor rotor 2 and stator pack 3 all are same as the foregoing description, no longer add explanation.But respectively the difference of this embodiment cooperates Fig. 5 ~ Fig. 9 to narrate as follows respectively.
As shown in Figure 5, the pedestal 1 of present embodiment is same as the foregoing description, and is made by permeability magnetic material, with the balance magnetic portion 222 of this permanent magnet 22 of corresponding magnetic, keeps the spin balancing of this motor rotor 2.Difference is, present embodiment is selected external circuits, controls and drive this stator pack 3 through external circuits, and do not need as shown in Figure 4ly, establishes circuit board 14 more in addition in this pedestal 1 surface, more can effectively reduce the axial height of the utility model motor.
Again; As shown in Figure 6, the pedestal 1 of present embodiment is a plastic seat body, and the magnetic portion 12 that establishes in addition of this pedestal 1 is amplexiformed in this pedestal 1 surface by a magnetic guiding loop and forms; With the balance magnetic portion 222 of same this permanent magnet 22 of corresponding magnetic, and keep the spin balancing of this motor rotor 2.Wherein, this plastic cement pedestal 1 one ejection formation coats this magnetic guiding loop, and make magnetic guiding loop only be arranged at, and can partly be exposed to outside this pedestal 1 balance magnetic portion 222 parts that should permanent magnet 22, and with this magnetic portion 12 as this pedestal 1; Perhaps; Also can be as shown in Figure 6; This magnetic guiding loop is overlying in this plastic cement pedestal 1 by complete packet;, and as the magnetic portion 12 of this pedestal 1, save cost of manufacture, reduce the magnetic guiding loop consumption and improve effects such as magnetic guiding loop combination stability balance magnetic portion 222 that should permanent magnet 22 with equally to reach.In addition, the circuit board 14 of establishing in addition as shown in Figure 4 can be selected in this pedestal 1 surface, and embodiment perhaps as shown in Figure 6 selects to control and drive this stator pack 3 with external circuits.
Moreover as shown in Figure 7, the pedestal 1 of present embodiment is to be the magnetic conduction pedestal that permeability magnetic material is processed, and coats the pedestal 1 of this tool magnetic conduction by a plastic cement axis part 11 one ejection formations; Perhaps, as shown in Figure 8, tool magnetic conduction pedestal 1 central authorities of present embodiment are formed with a central siphon seat 15 in addition, and this central siphon seat 15 is in order to accept this axis part 11.Wherein, the circuit board 14 of establishing in addition as shown in Figure 4 can be selected in this pedestal 1 surface, perhaps like Fig. 7 and embodiment shown in Figure 8, selects to control and drive this stator pack 3 with external circuits.
Except that above-mentioned; As shown in Figure 9; When the pedestal 1 of the utility model was a plastic seat body, this set circuit board 14 in pedestal 1 surface promptly may be selected to be a metallic circuit, to form a magnetic portion 141 by these metallic circuit 14 surfaces; And the balance magnetic portion 222 of this permanent magnet 22 of corresponding magnetic, and keep the spin balancing of this motor rotor 2 equally.Perhaps; Also can be shown in figure 10; Directly set circuit, and form a metallic circuit 14, to form a magnetic portion 141 by these metallic circuit 14 surfaces equally in a metal base 1 surface; Can save plastic cement pedestal 1 surface whereby the loaded down with trivial details of circuit board is set in addition, to promote the motor assembling convenience of present embodiment.
On the other hand; When motor is desired under stablizing the magnetic effect, to turn round; Magnetic action intensity according to the motor demand is different; The utility model can also be selected to form 223 ﹝ of an arc portion such as 1 Shi ﹞ of Fig. 1 in the bending segment of this permanent magnet 22, and this arc portion 223 is positioned at this permanent magnet 22 towards the surface of this stator pack 3, and this arc portion 223 is in order to dwindle the magnetic portion 12 corresponding magnetic areas of this balance magnetic portion 222 and pedestal 1; Perhaps; Also can select to form a chamfered section 223 ’ ﹝ such as 2 Shi ﹞ of Fig. 1 in the bending segment of this permanent magnet 22; This chamfered section 223 ' is positioned at this permanent magnet 22 towards the surface of this stator pack 3, and this chamfered section 223 ' also can be in order to dwindle the magnetic portion 12 corresponding magnetic areas of this balance magnetic portion 222 and pedestal 1; Even; More can select to form a notch part 223 ” ﹝ such as 3 Shi ﹞ of Fig. 1 in the bending segment of this permanent magnet 22; This notch part 223 " be positioned at this permanent magnet 22 towards the surface of this stator pack 3, this notch part 223 " equally can be in order to dwindle the magnetic portion 12 corresponding magnetic areas of this balance magnetic portion 222 and pedestal 1.Whereby; Through this arc portion 223, chamfered section 223 ' or notch part 223 " all can limit the magnetic portion 12 corresponding magnetic areas of this balance magnetic portion 222 and pedestal; so that the utility model can be in response to the demand of different motors, and have comparatively suitable and stable magnetic action intensity.
But the above person is merely the preferred embodiment of the utility model, when not limiting the utility model practical range with this; So, allly change and modify according to the utility model claim and the simple equivalent done of creation description, all should still belong in the scope that the utility model patent contains.
Claims (22)
1. a motor is characterized in that, comprises:
A pedestal has an axis part, one group of stator pack of this axis part outer setting, and this pedestal is provided with a magnetic portion; And
A motor rotor rotatably be arranged at the axis part of this pedestal, and this motor rotor comprises a wheel hub and a permanent magnet; This wheel hub has a base portion, and these base portion central authorities are provided with a rotating shaft, and this base portion periphery is provided with a ringwall; This ringwall has an inboard perisporium around this rotating shaft; This permanent magnet has a magnet sensing part and a balance magnetic portion, and this balance magnetic portion is located at an end of this magnet sensing part, and this magnet sensing part radially extends outside this wheel hub certainly; And this balance magnetic portion and this magnet sensing part are one-body molded to form a bending segment; This magnet sensing part is incorporated into the inboard perisporium of the ringwall of this wheel hub, and has radial air gap between this magnet sensing part and this stator pack, and the magnetic portion of corresponding this pedestal of magnetic of balance magnetic portion.
2. motor as claimed in claim 1 is characterized in that, is provided with an envelope magnetic spare between the inboard perisporium of the magnet sensing part of this permanent magnet and the ringwall of this wheel hub in addition.
3. according to claim 1 or claim 2 motor it is characterized in that this pedestal is the magnetic conduction pedestal of being processed by permeability magnetic material, and the base-plates surface of tool magnetic conduction is this magnetic portion.
4. according to claim 1 or claim 2 motor is characterized in that this pedestal is a plastic seat body, and the magnetic portion of this pedestal is amplexiformed in this base-plates surface by a magnetic guiding loop and forms.
5. motor as claimed in claim 4; It is characterized in that; This pedestal is a plastic seat body, and this plastic cement pedestal one ejection formation coats this magnetic guiding loop, and this magnetic guiding loop only is arranged at balance magnetic portion part that should permanent magnet; And part is exposed to outside this pedestal, and as the magnetic portion of this pedestal.
6. motor as claimed in claim 4; It is characterized in that; This pedestal is a plastic seat body, and this plastic cement pedestal one ejection formation coats this magnetic guiding loop, and this magnetic guiding loop only is arranged at balance magnetic portion part that should permanent magnet; And complete packet is overlying in this plastic cement pedestal, and as the magnetic portion of this pedestal.
7. according to claim 1 or claim 2 motor is characterized in that this pedestal is the magnetic conduction pedestal of being processed by permeability magnetic material, and coats the pedestal of this tool magnetic conduction by a plastic cement axis part one ejection formation.
8. according to claim 1 or claim 2 motor is characterized in that this pedestal is the magnetic conduction pedestal of being processed by permeability magnetic material, and these tool magnetic conduction pedestal central authorities are formed with a central siphon seat in addition, and this central siphon seat is in order to accept this axis part.
9. according to claim 1 or claim 2 motor is characterized in that this base-plates surface is established a metallic circuit in addition, and this metallic circuit surface is as the magnetic portion of this pedestal.
10. according to claim 1 or claim 2 motor is characterized in that this pedestal is processed by metal material, and this metal base surface sets circuit, and forms a metallic circuit, and this metallic circuit surface is as the magnetic portion of this pedestal.
11. motor according to claim 1 or claim 2 is characterized in that, this ringwall is formed with a bottom that connects this inboard perisporium in addition, and this balance magnetic portion is located on the bottom of the ringwall of this wheel hub.
12. motor as claimed in claim 11; It is characterized in that; The magnet sensing part of this permanent magnet is incorporated into the inboard perisporium of the ringwall of this wheel hub with being loop shaped, and the extension of the outer radial towards this wheel hub from this magnet sensing part of this balance magnetic portion, and is located on the bottom of the ringwall of this wheel hub.
13. motor according to claim 1 or claim 2 is characterized in that, the bending segment of this permanent magnet forms an arc portion, and this arc portion is positioned at the surface of this permanent magnet towards this stator pack.
14. motor according to claim 1 or claim 2 is characterized in that, the bending segment of this permanent magnet forms a chamfered section, and this chamfer site is in the surface of this permanent magnet towards this stator pack.
15. motor according to claim 1 or claim 2 is characterized in that, the bending segment of this permanent magnet forms a notch part, and this gap portions is in the surface of this permanent magnet towards this stator pack.
16. a motor rotor comprises:
A wheel hub has a base portion, and these base portion central authorities are provided with a rotating shaft, and this base portion periphery is provided with a ringwall, and this ringwall has an inboard perisporium around this rotating shaft; And
A permanent magnet; Have a magnet sensing part and a balance magnetic portion; This balance magnetic portion is located at an end of this magnet sensing part; And this magnet sensing part extends towards the outer radial of this wheel hub certainly, and this balance magnetic portion and this magnet sensing part are one-body molded to form a bending segment, and this magnet sensing part is incorporated into the inboard perisporium of the ringwall of this wheel hub.
17. motor rotor as claimed in claim 16 is characterized in that, is provided with an envelope magnetic spare between the inboard perisporium of the magnet sensing part of this permanent magnet and the ringwall of this wheel hub in addition.
18., it is characterized in that this ringwall is formed with a bottom that connects this inboard perisporium in addition like claim 16 or 17 described motor rotors, this balance magnetic portion is located on the bottom of the ringwall of this wheel hub.
19. motor rotor as claimed in claim 18; It is characterized in that; The magnet sensing part of this permanent magnet is incorporated into the inboard perisporium of the ringwall of this wheel hub with being loop shaped, and this balance magnetic portion extends outside this wheel hub from this magnet sensing part, and is located on the bottom of the ringwall of this wheel hub.
20., it is characterized in that the bending segment of this permanent magnet forms an arc portion like claim 16 or 17 described motor rotors, this arc portion is positioned at the surface of this permanent magnet towards this stator pack.
21., it is characterized in that the bending segment of this permanent magnet forms a chamfered section like claim 16 or 17 described motor rotors, this chamfer site is in the surface of this permanent magnet towards this stator pack.
22., it is characterized in that the bending segment of this permanent magnet forms a notch part like claim 16 or 17 described motor rotors, this gap portions is in the surface of this permanent magnet towards this stator pack.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW101101968A TWI451670B (en) | 2012-01-18 | 2012-01-18 | Motor |
| TW101101968 | 2012-01-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202616899U true CN202616899U (en) | 2012-12-19 |
Family
ID=47350569
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220036166 Expired - Lifetime CN202616899U (en) | 2012-01-18 | 2012-02-06 | Motor and motor rotor thereof |
| CN201210025042.1A Active CN103219810B (en) | 2012-01-18 | 2012-02-06 | Motor and motor rotor thereof |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210025042.1A Active CN103219810B (en) | 2012-01-18 | 2012-02-06 | Motor and motor rotor thereof |
Country Status (2)
| Country | Link |
|---|---|
| CN (2) | CN202616899U (en) |
| TW (1) | TWI451670B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103219810A (en) * | 2012-01-18 | 2013-07-24 | 建准电机工业股份有限公司 | Motor and motor rotor thereof |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI559656B (en) * | 2015-02-11 | 2016-11-21 | 建準電機工業股份有限公司 | External rotor motor |
| TWI584560B (en) * | 2016-04-22 | 2017-05-21 | 建準電機工業股份有限公司 | Axial induction motor and axial induction fan |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0782699B2 (en) * | 1984-06-01 | 1995-09-06 | パプスト ライセンシング ゲーエムベーハー | Disk drive |
| TWM243848U (en) * | 2003-07-09 | 2004-09-11 | Sunonwealth Electr Mach Ind Co | Rotational balance structure for a motor |
| CN2641900Y (en) * | 2003-07-22 | 2004-09-15 | 建准电机工业股份有限公司 | Motor with rotary balance structure |
| TWI257757B (en) * | 2005-01-13 | 2006-07-01 | Sunonwealth Electr Mach Ind Co | Rotor balance structure for motor |
| JP4476343B2 (en) * | 2008-08-29 | 2010-06-09 | 三菱重工業株式会社 | Method for adjusting balance of rotating body, rotating body, and motor including the rotating body |
| CN201528245U (en) * | 2009-09-15 | 2010-07-14 | 建准电机工业股份有限公司 | Motor and radiator fan with same |
| JP2011142793A (en) * | 2009-12-08 | 2011-07-21 | Nippon Densan Corp | Spindle motor and disk drive apparatus |
| TWM382655U (en) * | 2010-02-12 | 2010-06-11 | Bi Da Technology Co Ltd | Vehicle wheel inertia-starting and electrical power generation structure |
| CN201667572U (en) * | 2010-04-09 | 2010-12-08 | 建准电机工业股份有限公司 | Motor base |
| TWI451670B (en) * | 2012-01-18 | 2014-09-01 | Sunonwealth Electr Mach Ind Co | Motor |
-
2012
- 2012-01-18 TW TW101101968A patent/TWI451670B/en active
- 2012-02-06 CN CN 201220036166 patent/CN202616899U/en not_active Expired - Lifetime
- 2012-02-06 CN CN201210025042.1A patent/CN103219810B/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103219810A (en) * | 2012-01-18 | 2013-07-24 | 建准电机工业股份有限公司 | Motor and motor rotor thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103219810A (en) | 2013-07-24 |
| CN103219810B (en) | 2015-04-29 |
| TWI451670B (en) | 2014-09-01 |
| TW201332258A (en) | 2013-08-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20121219 Effective date of abandoning: 20150429 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20121219 Effective date of abandoning: 20150429 |