CN201639381U

CN201639381U - Rotational component for motor

Info

Publication number: CN201639381U
Application number: CN2009202980827U
Authority: CN
Inventors: 洪银树; 庄宏仁
Original assignee: Sunonwealth Electric Machine Industry Co Ltd
Current assignee: Sunonwealth Electric Machine Industry Co Ltd
Priority date: 2009-12-28
Filing date: 2009-12-28
Publication date: 2010-11-17
Anticipated expiration: 2019-12-28

Abstract

A rotational component for a motor comprises a hub, a mandrel and a buckling component, wherein an assembly hole is formed on the hub, and is provided with a first opening and a second opening; a first abutting part and a second abutting part are respectively arranged at the peripheries of the first opening and the second opening; a stopping part is formed between the first abutting part and the second abutting part; the mandrel is combined with the assembly hole of the hub and provided with a first end and a second end; a slot, an anti-falling part and a positioning part are arranged between the first end and the second end; the slot is aligned with the first abutting part; the anti-falling part is aligned with the second abutting part; the positioning part is opposite to the stopping part; and the buckling component is combined with the slot of the mandrel and abutted against the first abutting part of the hub. Therefore, the rotational component achieves the effects of improving the combination stability and the assembly convenience, and the like.

Description

The revolution part

Technical field

The utility model is about a kind of rotating part, especially a kind of rotating part that is used for motor.

Background technology

Please refer to shown in Figure 1ly, announce " joint structure of miniature motor rotor " patent case No. 443671 for TaiWan, China, it discloses a kind of existing motor configuration, and this motor 8 roughly comprises a shell block 81, a stator seat 82 and a rotor 83.This shell block 81 is in conjunction with a central siphon 811; This stator seat 82 is in conjunction with the central siphon 811 of this shell block 81; This rotor 83 comprises a wheel hub 831, an axle 832 and a permanent magnet 833; This wheel hub 831 coats an end of this axle 832 with the one ejection formation, and these axle 832 other ends are rotatably in conjunction with this central siphon 811, and this permanent magnet 833 is incorporated into this wheel hub 831 inboards; Whereby, after these stator seat 82 energisings produce magnetic field, can be in order to drive this rotor 83 rotations.

Above-mentioned existing motor 8 is a kind of outer rotor-type motor, this existing motor 8 when actual the assembling, can finish the assembling operation of this shell block 81 and this stator seat 82 in advance after, again this rotor 83 is assembled in the central siphon 811 of this shell block 81; Therefore, after this existing motor 8 is fit in advance this wheel hub 831 be coated this axle 832 with the one injection molding method, again this axle 832 is incorporated in this central siphon 811.Yet, with present various existing motor configuration on the market, still have the part motor configuration to be not suitable in order to integrated in advance wheel hub 831 of assembling and axle 832, must etc. axle with finish assembling as members such as shell block and stator seat (not illustrating) after, this wheel hub 831 can be incorporated into an end of this axle at last with assembling mode.

For example, please refer to shown in Figure 2ly, be M243849 number " home-use ac fan motor " patent case of TaiWan, China, it discloses another kind of existing motor configuration.This motor 9 has a pedestal 91, and this pedestal 91 is provided with a central siphon 911; The pedestal 91 of this motor 9 is finished assembling operation with members such as a stator unit 92 and axle center 93 in advance, and wherein this axle center 93 is rotatably in conjunction with this central siphon 911, and an end in this axle center 93 forms a threaded portion 931 that protrudes from this central siphon 911; In addition, behind the assembling operation of finishing above-mentioned each member, again the wheel hub 941 of a rotor 94 is incorporated into the threaded portion 931 in this axle center 93 at last in the mode of being spirally connected.

Yet, the wheel hub 941 of above-mentioned existing motor 9 is in actual process of assembling, must really this wheel hub 941 closely be bolted in the threaded portion 931 in this axle center 93, when supposing to fail to guarantee to combine closely between this wheel hub 941 and this axle center 93, to cause influencing this rotor 94 follow-up can't rotations smoothly, so cause the inconvenience in the assembling; Moreover, the rotor 94 of this motor 9 is behind long-time rotary work, because this wheel hub 941 only mutually combines in the mode of being spirally connected with this axle center 93, there is no the structural design that other can prevent effectively that this wheel hub 941 from coming off from this axle center 93, therefore, in the process of these rotor 94 rotations, this wheel hub 941 still has and may come off on this axle center 93, causes the inconvenience in the use.

The utility model content

The utility model purpose is the above-mentioned shortcoming of improvement, in order to a kind of revolution part that can prevent really that wheel hub from coming off from axle to be provided.

Another purpose of the utility model provides a kind of more convenient revolution part of assembling.

The another purpose of the utility model provides a kind of wheel hub that makes with the revolution part that axially reaches the radial location function.

For reaching the previous designs purpose, the technology contents that the utility model used is as follows:

A kind of revolution part comprises a wheel hub, an axle and a retainer.This wheel hub is provided with an assembly hole, this assembly hole has one first opening and one second opening, the periphery that this first opening periphery is provided with one first abutting part and this second opening is provided with one second abutting part, forms a stopper section between this first abutting part and this second abutting part; This axle is incorporated into the assembly hole of this wheel hub, this axle has one first end and one second end, be provided with a draw-in groove, an anti-delinking part and a location division between this first end and second end, this draw-in groove is to being positioned at this first abutting part, this anti-delinking part is to being positioned at this second abutting part, and this location division is relative with this stopper section; This retainer is in conjunction with the draw-in groove of this axle and first abutting part of this wheel hub of butt.Whereby, to reach many effects such as promoting linking steady character and assembling convenience.

The useful technique effect of the utility model revolution part is: the utility model revolution part really can make the assembly hole of this wheel hub be limited between the anti-delinking part of this retainer and this axle whereby, and this stopper section can limit this axle can be not arbitrarily with respect to this wheel hub and any technical characterictic such as rotation, and cooperate easy structural design, to reach many effects such as promoting the good and assembling convenience of linking steady character.

Description of drawings

Fig. 1: the assembled sectional view of existing motor.

Fig. 2: the assembled sectional view of another kind of existing motor.

Fig. 3: the three-dimensional exploded view of the utility model revolution part.

Fig. 4: the assembled sectional view of the utility model revolution part.

Fig. 5: the vertical view of the utility model revolution part.

Fig. 6: the assembling schematic diagram when the utility model revolution part is used for inner rotor type motor.

Fig. 7: the assembled sectional view when the utility model revolution part is used for inner rotor type motor.

Fig. 8: the three-dimensional exploded view when the utility model revolution part is provided with stiffener.

Fig. 9: the assembled sectional view when the utility model revolution part has stiffener.

Figure 10: the stereo appearance figure of the stiffener of the utility model revolution part.

Figure 11: the three-dimensional exploded view when the utility model revolution part has locating convex block and breach.

Figure 12: the assembled sectional view when the utility model revolution part has locating convex block and breach.

Figure 13: the three-dimensional exploded view of another execution mode of retainer of the utility model revolution part.

Figure 14: the assembled sectional view of another execution mode of retainer of the utility model revolution part.

Figure 15: the assembled sectional view the when wheel hub of the utility model revolution part is provided with blade.

The main element symbol description:

1 wheel hub, 11 assembly holes, 111 first openings, 112 second openings, 12 first abutting parts

121 locating convex blocks, 13 second abutting parts, 131 grooves, 14 stopper sections, 141 tangent planes

15 storage tanks, 16 blades, 2 axles, 21 first ends, 22 second ends

251 planes, 241 projecting surfaces, 25 location divisions, 23 draw-in grooves, 24 anti-delinking part

3 retainers, 31 snap grooves, 311 elastic fastening plates, 32 breach, 33 snapping holes

331 elasticity support pieces, 4 inner rotor type motors, 41 motor shells, 42 stator pack, 43 bearings

44 permanent magnets, 5 stiffeners, 51 through holes, 52 lugs, 511 auxiliary stopper sections

8 motors, 81 shell blocks, 811 central siphons, 82 stator seats, 83 rotors

831 wheel hubs, 833 permanent magnets, 832 axles, 9 motors, 91 pedestals

931 threaded portions, 911 central siphon 92 stator units, 93 axle center, 94 rotors, 941 wheel hubs

Embodiment

For above-mentioned and other purpose of the present utility model, feature and advantage can be become apparent, the preferred embodiment of the utility model cited below particularly, and conjunction with figs. are described in detail below:

Please refer to shown in Fig. 3,4 and 5, the utility model revolution part comprises a wheel hub 1, an axle 2 and a retainer 3.This axle 2 is in conjunction with this wheel hub 1; This retainer 3 comes off from this axle 2 effectively to prevent this wheel hub 1 in conjunction with an end of this axle 2.

This wheel hub 1 is provided with an assembly hole 11, and this assembly hole 11 is through to opposite side from a side of this wheel hub 1, makes relative two ends of this assembly hole 11 form one first opening 111 and one second opening 112; The periphery of this first opening 111 and this second opening 112 is respectively equipped with one first abutting part 12 and one second abutting part 13, forms a stopper section 14 between this first abutting part 12 and this second abutting part 13.

This axle 2 is incorporated into the assembly hole 11 of this wheel hub 1, and stretch through out the opposite end of this assembly hole 11 of this axle 2 is respectively one first end 21 and one second end 22.In addition, be provided with a draw-in groove 23, an anti-delinking part 24 and a location division 25 between first end 21 of this axle 2 and second end 22; This draw-in groove 23, anti-delinking part 24 and location division 25 preferable this first ends 21 that are adjacent to, when this axle 2 stretches through when being incorporated into this assembly hole 11, this draw-in groove 23 can be to being positioned at first abutting part 12 of this

wheel hub

1,24 of this anti-delinking parts are to being positioned at second abutting part 13 of this wheel hub 1, this location division 25 is preferable between this draw-in groove 23 and this anti-delinking part 24, makes this location division 25 can be relative with this stopper section 14.

The draw-in groove 23 of this retainer 3 in order to be incorporated into this axle 2 makes this retainer 3 can be connected to first abutting part 12 of this wheel hub 1; Whereby, to utilize this retainer 3 to prevent that effectively this axle 2 breaks away from the assembly hole 11 of this wheel hub 1.

The utility model revolution part can be applicable to various motor configurations, for example: non-motor, inner rotor type motor or other the suitable motors etc. that coat axle in one-body molded mode of wheel hub.For example, please refer to shown in Figure 6, disclose a kind of " inner rotor type motor 4 ", because the assembling operation of general inner rotor motor 4, be preferably must finish the assembling of this axle 2 in advance after, this wheel hub 1 is assembled in an end of this axle 2, therefore, the utility model revolution part can be applicable to this inner rotor type motor 4 again.

More in detail, this inner rotor type motor 4 has a motor shell 41, and these motor shell 41 inboards are in conjunction with stator group 42 and several bearings 43 (also a bearing 43 can only be set).Axle 2 of the present utility model is rotatably in conjunction with these several bearings 43, and this axle 2 can have an air gap between this permanent magnet 44 and this stator pack 42 in conjunction with a permanent magnet 44, so that this stator pack 42 can drive this axle 2 rotations; Again, first end 21 of this axle 2 protrudes from this motor shell 41 outsides, second end 22 and a wherein bearing 43 pivot joints; Whereby, as shown in Figure 7, behind the assembling operation of finishing members such as aforementioned this motor shell 41, stator pack 42, several bearings 43, permanent magnet 44 and axle 2, can again this wheel hub 1 be assembled in first end 21 of this axle 2 at last, and this retainer 3 is incorporated into the draw-in groove 23 of this axle 2, so that finish the assembling operation of this inner rotor motor 4.

By the architectural feature of preceding taking off, the main feature of the utility model revolution part is:

1, linking steady character is good: as shown in Figure 4, the utility model can utilize first abutting part 12 of this this wheel hub 1 of retainer 3 butts, and cooperates 24 pairs of anti-delinking parts that make this axle 2 to be positioned at second abutting part 13 of this wheel hub 1; Whereby, the assembly hole 11 of this wheel hub 1 can be limited between the anti-delinking part 24 of this retainer 3 and this axle 2; Therefore, this axle 2 axially on, can guarantee that this axle 2 can not break away from the assembly hole 11 of this wheel hub 1 arbitrarily.In addition, as shown in Figure 5, when this axle 2 during in conjunction with the assembly hole 11 of this wheel hub 1, the location division 25 of this axle 2 also can be relative with the stopper section 14 of this wheel hub 1; Therefore, make progress in the footpath of this axle 2, this stopper section 14 can be limited this axle 2 and can not rotated arbitrarily with respect to this wheel hub 1.Generally speaking, the utility model really can be by preceding taking off structural design, makes this axle 2 have axial slip-off preventing and many locating effects such as anti-rotation radially, make this axle 2 can be more firm and this wheel hub 1 mutually combine.

2, assembling convenience: shown in Fig. 6 and 7, when the utility model revolution part uses in assembling, only this wheel hub 1 must be sleeved on first end 21 of this axle 2, make this draw-in groove 23 and this anti-delinking part 24 respectively to behind first abutting part 12 and second abutting part 13 that are positioned at this wheel hub 1, again this retainer 3 is forced into to the draw-in groove 23 of this axle 2 and can finishes assembling operation; Therefore, the overall package operation is quite easy, can finish assembling operation fast; And after assembling operation was finished, this wheel hub 1 and this axle 2 linking steady character each other were also good, so can effectively promote the assembling convenience.

Structural design notion by above-mentioned the utility model revolution part, the utility model revolution part also can further comprise at least one accessory structure feature or its combination as described below, it is perfect that the function of the utility model revolution part is more leveled off to, for example:

1, please refer to shown in Fig. 3 and 4, the stopper section 14 of this wheel hub 1 can be a tangent plane 141, and this tangent plane 141 is formed at the inboard hole wall of this assembly hole 11, and this tangent plane 141 extends axially towards these second opening, 112 directions from this first opening 111; The location division 25 of this axle 2 forms can a plane 251 relative with this tangent plane 141, and this plane 251 can extend axially a preset distance from this first end 21.In addition, these plane 251 preferable tangent planes 141 that are connected to this wheel hub 1; Whereby, when this tangent plane 141 fits tightly mutually with this plane 251, can further increase the backstop action of the stopper section 14 of this wheel hub 1, rotate arbitrarily with respect to this wheel hub 1 effectively to prevent this axle 2.

2, please refer to shown in Fig. 3 and 4, second abutting part 13 of this wheel hub 1 can be a groove 131 that is formed at these second opening, 112 peripheries, the anti-delinking part 24 of this axle 2 can be a projecting surface 241, this projecting surface 241 is positioned at the bottom (this bottom refers to the side of this plane 251 towards second end 22 as shown in the figure) on the plane 251 of this axle 2, and this projecting surface 241 forms an adjusting play (not indicating) towards this groove 131 between this groove 131 and this projecting surface 241.Whereby, can't or be difficult for being forced into situation, utilize the design of this adjusting play, can provide one nargin is installed, be beneficial to this retainer 3 directly is forced into the draw-in groove 23 of this axle 2 to the draw-in groove 23 of this axle 2 for avoiding taking place this retainer 3.

3, please refer to shown in Fig. 8 and 9, between first opening 111 of the assembly hole 11 of this wheel hub 1 and second opening 112 stiffener 5 can be set in addition, these wheel hub 1 preferable outer peripheral edges of utilizing the one injection molding method in conjunction with this stiffener 5 can be embedded in the assembly hole 11 of this wheel hub 1 this stiffener 5; In addition, this stiffener 5 also is provided with a through hole 51 that can supply this axle 2 to stretch through.Whereby, when the assembly hole 11 of this wheel hub 1 is provided with this stiffener 5, can utilize this stiffener 5 to strengthen the overall construction intensity of this wheel hub 1,, can effectively avoid the assembly hole 11 impaired or distortion of this wheel hub 1 so that assemble in the process of this wheel hub 1, axle 2 and retainer 3.

4, please refer to shown in Fig. 8,9 and 10, through hole 51 inboards of above-mentioned this stiffener 5 are preferable can further to form an auxiliary stopper section 511; Whereby, the location division 25 of this axle 2 also can be relative with this auxiliary stopper section 511, cooperate the stopper section 14 that originally was arranged between this first abutting part 12 and this second abutting part 13, make this stopper section 14 and this auxiliary stopper section 511 can limit the rotation of this axle 2 simultaneously, guarantee that this axle 2 can be in rotating arbitrarily with respect to this wheel hub 1.

5, please refer to shown in Fig. 8,9 and 10, several lugs 52 of the preferable formation of the outer peripheral edges of above-mentioned this stiffener 5 utilize the respectively design of this lug 52, when this wheel hub 1 with the one injection molding method during in conjunction with this stiffener 5, this wheel hub 1 can coat respectively this lug 52 simultaneously.Whereby, can effectively increase the bonded area between this stiffener 5 and this wheel hub 1, and the double structural strength that can further promote this wheel hub 1.

6, please refer to shown in Fig. 8 and 9, first opening 111 of this wheel hub 1 can form a storage tank 15, and this storage tank 15 can supply ccontaining this retainer 3; Whereby, when this retainer 3 is positioned at this storage tank 15, promptly can not occupy too much space, with the whole axial height of relative minimizing the utility model revolution part, so that be applied to microminiaturized motor configuration.

7, please refer to shown in Figure 11 and 12, this retainer 3 can have a snap groove 31, this snap groove 31 mutually combines in order to the draw-in groove 23 with this axle 2, and these snap groove 31 inboards can form several elastic fastening plates 311, respectively have the gap between this elastic fastening plate 311, and respectively this elastic fastening plate 311 stretches into draw-in groove 23 inboards that are snapped in this axle 2.Whereby, utilize the respectively design of this elastic fastening plate 311, can make this retainer 3 easier draw-in grooves 23 that are forced into to this axle 2, and avoid this retainer 3 to produce distortion in assembling back or damage, and this retainer 3 also can utilize this elastic fastening plate 311 respectively more closely to be incorporated into the draw-in groove 23 of this axle 2.

8, please refer to shown in Figure 11 and 12, above-mentioned this retainer 3 can be E shape clasp, so that this snap groove 31 can form a

breach

32,12 of first abutting parts of this wheel hub 1 are provided with a location projection 121; Whereby, be forced into the draw-in groove 23 of this axle 2 when this retainer 3 after, this locating convex block 121 can stretch into the breach 32 of this retainer 3, so that utilize these locating convex block 121 clips in this breach 32, and then prevents that effectively this retainer 3 from rotating arbitrarily with respect to this wheel hub 1.

9, please refer to shown in Figure 13 and 14, disclose the another kind of execution mode of this retainer 3, this retainer 3 has a snapping hole 33, this snapping hole 33 is in order to the draw-in groove 23 in conjunction with this axle 2, and the inboard peritreme in this snapping hole 33 can be extended out several elasticity support pieces 331, respectively has the gap between this elasticity support piece 331; In addition, respectively this elasticity support piece 331 is towards the direction diagonally extending away from this wheel hub 1, and respectively this elasticity support piece 331 is in the draw-in groove 23 that stretches to this axle 2 in order, and respectively this elasticity support piece 331 can be in order to be connected to the inboard cell wall of this draw-in groove 23.Whereby, respectively this elasticity support piece 331 is held concurrently location effect can be provided, and makes this retainer 3 can be positioned the draw-in groove 23 of this axle 2 really, and then can provide more perfect the preventing of this axle 2 to deviate from function.

10, the outer peripheral face of this wheel hub 1 forms several blades 16; Whereby, this wheel hub 1 also can be used as the impeller of a radiator fan, so that more diversified ease of use to be provided.

By on learn, the utility model revolution part really can make the assembly hole 11 of this wheel hub 1 be limited between the anti-delinking part 24 of this retainer 3 and this axle 2 whereby, and this stopper section 14 can limit this axle 2 can be not arbitrarily with respect to this wheel hub 1 and any technical characterictic such as rotation, and cooperate easy structural design, to reach many effects such as promoting the good and assembling convenience of linking steady character.

Claims

1. revolution part is characterized in that comprising:

A wheel hub, be provided with an assembly hole, this assembly hole has one first opening and one second opening, the periphery that the periphery of this first opening is provided with one first abutting part and this second opening is provided with one second abutting part, forms a stopper section between this first abutting part and this second abutting part;

An axle, be incorporated into the assembly hole of this wheel hub, this axle has one first end and one second end, be provided with a draw-in groove, an anti-delinking part and a location division between this first end and second end, this draw-in groove is to being positioned at this first abutting part, this anti-delinking part is to being positioned at this second abutting part, and this location division is relative with this stopper section; And

A retainer is incorporated into the draw-in groove of this axle and first abutting part of this wheel hub of butt.

2. according to the described revolution part of claim 1, it is characterized in that, a stiffener is set between first opening of the assembly hole of this wheel hub and second opening, this stiffener is provided with a through hole that stretches through for this axle.

3. according to the described revolution part of claim 2, it is characterized in that, auxiliary stopper section of the inboard formation of the through hole of this stiffener, the location division of this axle is relative with this auxiliary stopper section.

4. according to the described revolution part of claim 2, it is characterized in that this wheel hub one is in conjunction with the outer peripheral edges of this stiffener.

5. according to the described revolution part of claim 3, it is characterized in that the outer peripheral edges of this stiffener form several lugs, this wheel hub one combination is this lug respectively.

6. according to claim 1,2,3,4 or 5 described revolution parts, it is characterized in that, the stopper section of this wheel hub is a tangent plane that is formed at the inboard hole wall of this assembly hole, this tangent plane extends axially towards this second opening direction from this first opening, and the location division of this axle is a plane relative with this tangent plane.

7. according to the described revolution part of claim 6, it is characterized in that the tangent plane of plane this wheel hub of butt of this axle.

8. according to the described revolution part of claim 6, it is characterized in that second abutting part of this wheel hub is a groove that is formed at this second opening periphery, the anti-delinking part of this axle is a projecting surface, this projecting surface is positioned at the bottom on the plane of this axle, and this projecting surface is towards this groove.

9. according to the described revolution part of claim 8, it is characterized in that, form an adjusting play between this groove and this projecting surface.

10. according to claim 1,2,3,4 or 5 described revolution parts, it is characterized in that this retainer has a breach, first abutting part of this wheel hub is provided with a locating convex block, and this locating convex block stretches into the breach of this retainer.

11., it is characterized in that this retainer has a breach according to the described revolution part of claim 7, first abutting part of this wheel hub is provided with a locating convex block, this locating convex block stretches into the breach of this retainer.

12., it is characterized in that this retainer has a breach according to the described revolution part of claim 9, first abutting part of this wheel hub is provided with a locating convex block, this locating convex block stretches into the breach of this retainer.

13. according to claim 1,2,3,4 or 5 described revolution parts, it is characterized in that, this retainer has a snapping hole, inboard several elasticity supporters that form in this snapping hole, respectively this elasticity supporter is towards the direction diagonally extending away from this wheel hub, and respectively this elasticity supporter stretches into the draw-in groove of this axle and the inboard cell wall of this draw-in groove of butt.

14. according to the described revolution part of claim 7, it is characterized in that, this retainer has a snapping hole, inboard several elasticity supporters that form in this snapping hole, respectively this elasticity supporter is towards the direction diagonally extending away from this wheel hub, and respectively this elasticity supporter stretches into the draw-in groove of this axle and the inboard cell wall of this draw-in groove of butt.

15. according to the described revolution part of claim 9, it is characterized in that, this retainer has a snapping hole, inboard several elasticity supporters that form in this snapping hole, respectively this elasticity supporter is towards the direction diagonally extending away from this wheel hub, and respectively this elasticity supporter stretches into the draw-in groove of this axle and the inboard cell wall of this draw-in groove of butt.

16. according to the described revolution part of claim 10, it is characterized in that, this retainer has a snapping hole, inboard several elasticity supporters that form in this snapping hole, respectively this elasticity supporter is towards the direction diagonally extending away from this wheel hub, and respectively this elasticity supporter stretches into the draw-in groove of this axle and the inboard cell wall of this draw-in groove of butt.

17. according to claim 1,2,3,4 or 5 described revolution parts, it is characterized in that this retainer has a snap groove, inboard several elastic fastening plates that form of this snap groove, respectively have the gap between this elastic fastening plate, and respectively this elastic fastening plate stretches into the draw-in groove that is snapped in this axle.

18., it is characterized in that first opening of this wheel hub forms a storage tank according to claim 1,2,3,4 or 5 described revolution parts, this retainer is positioned at this storage tank.

19., it is characterized in that the outer peripheral face of this wheel hub forms several blades according to claim 1,2,3,4 or 5 described revolution parts.