CN102315745A - Motor - Google Patents
Motor Download PDFInfo
- Publication number
- CN102315745A CN102315745A CN2011101847878A CN201110184787A CN102315745A CN 102315745 A CN102315745 A CN 102315745A CN 2011101847878 A CN2011101847878 A CN 2011101847878A CN 201110184787 A CN201110184787 A CN 201110184787A CN 102315745 A CN102315745 A CN 102315745A
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- Prior art keywords
- cylindrical portion
- motor according
- retaining member
- bonding agent
- bearing retaining
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- 239000000758 substrate Substances 0.000 claims abstract description 87
- 239000007767 bonding agent Substances 0.000 claims abstract description 68
- 239000002184 metal Substances 0.000 claims abstract description 37
- 229910052751 metal Inorganic materials 0.000 claims abstract description 37
- 239000007769 metal material Substances 0.000 claims abstract description 8
- 238000006555 catalytic reaction Methods 0.000 claims abstract description 7
- 229910021645 metal ion Inorganic materials 0.000 claims abstract description 7
- 230000002093 peripheral effect Effects 0.000 claims description 17
- 239000011248 coating agent Substances 0.000 claims description 14
- 238000000576 coating method Methods 0.000 claims description 14
- 210000000707 wrist Anatomy 0.000 claims description 13
- 239000000853 adhesive Substances 0.000 claims description 9
- 230000001070 adhesive effect Effects 0.000 claims description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 description 10
- 238000010586 diagram Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 239000004593 Epoxy Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 239000011889 copper foil Substances 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 239000012212 insulator Substances 0.000 description 2
- 238000005476 soldering Methods 0.000 description 2
- 239000013598 vector Substances 0.000 description 2
- 239000004925 Acrylic resin Substances 0.000 description 1
- 229920000178 Acrylic resin Polymers 0.000 description 1
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 244000188472 Ilex paraguariensis Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- -1 phenolic aldehyde Chemical class 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The present invention provides a kind of motor.In above-mentioned motor; The bearing retaining member is formed by metal material; End at the peristome of circuit substrate; And have the metal level that exposes in outmost surface,, be folded with in case contact the bonding agent that will bring out catalytic reaction and solidify with metal ion at the position of the above-mentioned metal layer contacting that constitutes by metal material of above-mentioned bearing retaining member and foregoing circuit substrate.
Description
Technical field
The present invention relates to a kind of motor with bearing retaining member and circuit substrate.
Background technology
In recent years, office machine or tame electrical article tend to miniaturization and slimming.For the motor that is equipped in these products, also require miniaturization, slimming thereupon.
This kind motor has bearing retaining member and circuit substrate.In general, bearing retaining member and circuit substrate are fixed by fixed components such as screws.
For example, in japanese kokai publication hei 10-108414 day disclosure communique, in the case portion 20 of motor, and be provided with through hole along the many places of the axial par that overlaps with printed circuit board 16.In printed circuit board 16, be formed with a plurality of holes corresponding with these through holes.In the through hole and hole in being formed on par and printed circuit board respectively, be formed with the groove that screws togather with ridge, can insert logical screw 17.Like this, just that case 20 is fastening fixing with printed circuit board 16.
But, in japanese kokai publication hei 10-108414 day disclosure communique, in the disclosed structure, in case portion 20 or printed circuit board 16, need be used for inserting the fastening space of logical screw 17.Thus, the size of motor will increase, and can't realize miniaturization, the slimming of motor.In addition, fastening in order to carry out, need screw 17.Thus, the manufacturing cost of motor will rise.
Summary of the invention
A kind of motor is provided of the present invention in one of preferred embodiment; It has stationary part, can be with respect to the rotating part of above-mentioned stationary part around central shaft rotation; Above-mentioned rotating part has the axostylus axostyle along above-mentioned central shaft arrangement, and above-mentioned stationary part has the bearing components of the above-mentioned axostylus axostyle of supporting; Above-mentioned bearing components is remained on the bearing retaining member cylindraceous at inner peripheral surface place; Be disposed at the stator of the radial outside of above-mentioned bearing retaining member; Dispose the peristome of inserting logical above-mentioned bearing retaining member, also be fixed in the circuit substrate in the above-mentioned bearing retaining member near axial downside than said stator; Above-mentioned bearing retaining member is processed by metal material; Dispose the metal level that exposes in the end of above-mentioned peristome and in outmost surface; At least a portion at the position of above-mentioned bearing retaining member and above-mentioned metal layer contacting is folded with in case contact the bonding agent that will bring out catalytic reaction and solidify with metal ion.
Of the present invention one of preferred embodiment in, the end of the peristome that contacts with the bearing retaining member at circuit substrate forms the metal level that exposes in outmost surface.In addition, the bearing retaining member is also formed by metal material.So,, can use the anaerobic bonding agent that solidifies as catalyst with metal ion for fixing of bearing retaining member and circuit substrate.
According to the present invention, can provide the part count that need not increase motor just to realize the motor of miniaturization, slimming.
Description of drawings
Fig. 1 is the profile of the motor of first execution mode.
Fig. 2 is the vertical view of the bearing retaining member of first execution mode.
Fig. 3 is the upward view of the circuit substrate of first execution mode.
Fig. 4 is the flow process of assembling of the motor of first execution mode.
Description of reference numerals: 10 motors, 20 rotating parts, 30 bearing components, 40 stationary part; 41 stators, 42 bearing retaining members, 421 first cylindrical portion, 422 second cylindrical portion; 423 flange parts, 424 stator fixed parts, 425 guidance parts, 426 substrate fixed parts; 427 bonding agent dispensing areas, 431 peristomes, 432 metal levels, J1 central shaft.
Embodiment
< the integral body manufacturing of motor >
In following explanation, on central shaft J1 direction, abbreviate the upside among the figure as " upside ", abbreviate the downside among the figure as " downside "." upside " reaches " downside " such statement not necessarily need be consistent with gravity direction.
Fig. 1 is the figure of the motor of expression first preferred implementation of the present invention.Fig. 1 is the schematic cross sectional view when motor 10 is cut vertically imaginaryly.
Rotating part 20 has: axostylus axostyle 21, rotor clamper 22 and rotor magnet 23.
The axial downside of axostylus axostyle 21 is the gear part 211 that is formed with a plurality of grooves.Through gear part 211 is engaged with external device (ED) (diagram slightly), to the torque of outside output motor 10.
And gear part 211 also can be formed at the axial upside of axostylus axostyle 21.In addition, also can replace gear part 211,, outside transmission member is installed at the axial upside of axostylus axostyle 21 or axially among any at least side of downside.As outside transmission member, for example can enumerate gear.
Among Fig. 1, rotor clamper 22 is approximate circle tubulars that lid is arranged.Rotor clamper 22 has axostylus axostyle fixed part 221, cap 222 and cylindrical portion 223.
Among Fig. 1, axostylus axostyle fixed part 221 be to axial upside extend cylindric.Axostylus axostyle 21 is fixed in the axostylus axostyle fixed part 221.The axial height of axostylus axostyle fixed part 221 is lower than the par of cap 222.The upper end of axostylus axostyle 21 is outstanding vertically from the end of axostylus axostyle fixed part 221.And the upper end of axostylus axostyle 21 also can be the position identical with the end of axostylus axostyle fixed part 221, and is perhaps lower than the end of axostylus axostyle fixed part 221.
In addition, in cap 222, not necessarily need form recess.Also can be at the central configuration axostylus axostyle fixed part 221 of cap 222.In addition, axostylus axostyle fixed part 221 also can be to axial side-prominent cylindrical portion down.
Among Fig. 1, cylindrical portion 223 is members cylindraceous.Extend towards axial downside from the end of the radially foreign side side of cap 222.
Among Fig. 1, rotor magnet 23 is cylindric.Rotor magnet 23 is fixed in the inner peripheral surface of cylindrical portion 223.The inner peripheral surface of rotor magnet 23 and cylindrical portion 223 fixing, for example can utilize bonding, be pressed into or they and be used for carrying out.Rotor magnet 23 has been implemented exciting magnetize.In addition, in this execution mode,, implemented the magnetize different with exciting magnetize to the end of the axial downside of rotor magnet 23.The magnetize of the end of the axial downside of rotor magnet 23 for example is used to the position probing purposes.
Fig. 2 is the vertical view of the bearing retaining member 42 of first preferred implementation.Like Fig. 1 and shown in Figure 2, bearing retaining member 42 has: first cylindrical portion 421, second cylindrical portion 422 and flange part 423.First cylindrical portion 421 is positioned at the axial upside of bearing retaining member 42.Second cylindrical portion 422 is positioned at the axial downside of first cylindrical portion 421.The external diameter of second cylindrical portion 422 is bigger than the external diameter of first cylindrical portion 421.Flange part 423 is circular positions.Flange part 423 is disposed at the downside of second cylindrical portion 422.Flange part 423 launches to foreign side's side from the end radius vector of second cylindrical portion 422.
As shown in Figure 1, at the inner peripheral surface of bearing retaining member 42, dispose a plurality of bearing components 30.Among Fig. 1,, in the inner peripheral surface of bearing retaining member 42, maintain side bearing 31 and reach side bearing 32 down as bearing components 30.In this execution mode, side bearing 32 was a ball bearing under last side bearing 31 reached.And, also can the bearing of other kinds such as sleeve bearing be disposed at the inside of bearing retaining member 42 as bearing components 30.
At the inner peripheral surface of bearing retaining member 42, dispose 42a of upper lateral section portion and the 42b of lower lateral section portion respectively.At upper lateral section portion 42a place, butt side bearing 31.Like this, just can determine the axial position of side bearing 31 with respect to bearing retaining member 42.On the other hand, between following side bearing 32 and the 42b of lower lateral section portion, dispose precompressed member 50.In this execution mode, precompressed member 50 is lock washers.As precompressed member 50, also can use spring.Following side bearing 32 folders carry out the axial location with respect to the 42b of lower lateral section portion across precompressed member 50.That bearing components 30 is utilized is bonding, insert or insertion and bonding and usefulness remain on the inner peripheral surface place of bearing retaining member 42.In addition, be under the situation of sleeve bearing at bearing components 30, also can bearing components 30 be utilized to be pressed into to remain in the bearing retaining member 42.
In addition, at axostylus axostyle 21 places, washer member 60 is installed.Washer member 60 is members of annular.Following side bearing 32 is between washer member 60 and the 42b of lower lateral section portion.Like this, axial the moving of following side bearing 32b just is restricted.Consequently, axostylus axostyle 21 is stably kept by bearing components 30.
Bearing retaining member 42 for example is to be shaped with the casting die of having used metal material.As metal material, for example can use aluminium alloy, kirsite etc.And bearing retaining member 42 also can utilize other method such as cut or punch process to be shaped.
Like Fig. 1 and shown in Figure 2,, be formed with a plurality of stator fixed parts 424 at the upside of first cylindrical portion 421.In this execution mode, the number of stator fixed part 424 is 3.Stator fixed part 424 is drawn back the compartment of terrain configuration in a circumferential direction.And, preferably with the equally spaced configuration in a circumferential direction of a plurality of stator fixed parts 424.
Like Fig. 1 and shown in Figure 2, second cylindrical portion 422 has a plurality of guidance parts 425.In this execution mode, the number of guidance part 425 is 3.Guidance part 425 is drawn back the compartment of terrain configuration in a circumferential direction.Preferably with the equally spaced configuration in a circumferential direction of a plurality of guidance parts 425.425 the distance from central shaft J1 to guidance part that the footpath makes progress increases along with relying on axial downside gradually.
In addition, at the downside of second cylindrical portion 422, dispose a plurality of substrate fixed parts 426.Among Fig. 2, the number of substrate fixed part 426 is 3.In bearing retaining member 42, a plurality of substrate fixed parts 426 are drawn back the compartment of terrain configuration in a circumferential direction.Preferably with substrate fixed part 426 equally spaced configuration in a circumferential direction.Diametrically, the outermost distance from central shaft J1 to substrate fixed part 426 is with 425 outermost distance equates or be littler from central shaft J1 to guidance part.And, in bearing retaining member 42, also can a plurality of substrate fixed parts 426 be disposed unequally.That is, bearing retaining member 42 has a plurality of substrate fixed parts 426 that dispose impartial in a circumferential direction or unequally.
Among Fig. 1, flange part 423 top vertical with central shaft J1.That is, the top of flange part 423 all is smooth on the whole circumference direction.
In addition, flange part 423 has a plurality of wrists 4231.As shown in Figure 2, the number of wrist 4231 is 3.Wrist 4231 extends to foreign side from flange part 423 radius vectors respectively.Wrist 4231 is drawn back the compartment of terrain configuration in a circumferential direction.Preferably with wrist 4231 equally spaced configuration in a circumferential direction.In each wrist 4231, be provided with the fixing hole 4232 that runs through vertically.In fixing hole 4232, insert fixed component (not shown).Like this, just can motor 10 is fixing with respect to apparatus main body (diagram slightly).And, as fixed component, for example can use bolt, screw or rivet etc.
Flange part 423 has at least one location division 4233 towards the radial outside extension.In the location division 4233, dispose at least one towards axially going up side-prominent locator protrusions 4234.
In addition, on flange part 423, dispose the bonding agent dispensing area 427 of coating adhesive.Bonding agent dispensing area 427 is an annular.Bonding agent dispensing area 427 is to dispose with the mode along the periphery of second cylindrical portion 422.
Fig. 3 is the upward view of the circuit substrate of first preferred implementation.In this execution mode, circuit substrate 43 is made up of glass epoxy resin.In addition, in this execution mode, circuit substrate 43 is substrates that electronic unit can be installed on the two sides.At the center of circuit substrate 43, be provided with the peristome 431 that runs through vertically.In peristome 431, insert logical second cylindrical portion 422.
In addition, below circuit substrate 43,, be formed with the slit 4311 that at least one cuts towards radial outside in the end of peristome 431.In slit 4311, insert logical locator protrusions 4234.Like this, just can prevent that bearing retaining member 42 is with respect to circuit substrate 43 rotation relatively in a circumferential direction.
In addition, in this execution mode, motor 10 is three phase electric machines.Below circuit substrate 43, dispose with U mutually, V phase, the corresponding pad of W (not shown).The lead of from coil 412, drawing (not shown), by soldering at each pad place.And motor 10 is not limited to three phase electric machine.Motor 10 also can be monophase machine or two-phase electric machine, and the number of phase is unqualified.
Below circuit substrate 43, dispose Hall element (not shown).Hall element detects the variation in the magnetic field that the rotation be accompanied by rotating part 20 produces from rotor magnet 23.Can detect the position of rotation of rotating part 20 whereby.
On circuit substrate 43, dispose FG (Frequency Generator) pattern.The FG pattern is faced with rotor magnet 23 vertically mutually.Utilization is accompanied by the variation in the magnetic field that the rotation of rotating part 20 produces from rotor magnet 23, in the FG pattern, induce voltage.This induced voltage becomes the FG signal via other electronic unit etc.Through reading this FG signal, just can detect the position of rotation and the speed of rotary body 20.And in this execution mode, in circuit substrate 43, the radial outside in the residing position of FG pattern disposes a plurality of electronic units (diagram slightly).In addition, with above-mentioned and U mutually, V phase, the corresponding pad of W (not shown) also be disposed at the radially foreign side side of the position that the FG pattern disposed.
In addition, in circuit substrate 43, dispose the welding disk (diagram slightly) of soldering flexible flat cable (FFC (Flexible Flat Cable)) (diagram slightly).Flexible flat cable for example is connected with external power source etc.
Below circuit substrate 43, be formed with metal level 432 in the end of peristome 431.Metal level 432 is to dispose with the mode along the profile of peristome 431.As shown in Figure 3, metal level 432 is the roughly the same shapes of shape with flange part 423 when axially seeing.That is, metal level 432 has a plurality of wrist metal levels 4321 corresponding with wrist 4231, the slit metal level 4322 corresponding with location division 4233 and slit 4311.
In this execution mode, metal level 432 is a Copper Foil.Metal level 432 can side by side form when printed base plate pattern on circuit substrate 43.So, when forming metal level 432, the manufacturing procedure that need not append or parts.Thus, can cut down cost or the activity time that is spent in the manufacturing of circuit substrate 43.
< fixed structure of bearing retaining member and circuit substrate >
As shown in Figure 1, circuit substrate 43 is put above flange part 423.Bonding agent is configured between the top and metal level 432 of flange part 423.As bonding agent, for example can use the bonding agent that brings out catalytic reaction and solidify that contacts that utilizes with metal ion.More particularly, can use the anaerobic bonding agent.As the kind of anaerobic bonding agent, acrylic resin anaerobic bonding agent is for example arranged.
On circuit substrate 43, in the end of peristome 431, substrate fixed part 426 is respectively by to the radial outside warpage.At least a portion of substrate fixed part 426 and circuit substrate 43 butts.Consequently, circuit substrate 43 is by substrate fixed part 426 and flange part 423 clampings, fixing.Through and with this by fixing by bonding agent of clamping fixing and above-mentioned, just can circuit substrate 43 be firmly fixed at bearing retaining member 42 places.
About this point, be to utilize fixed component such as bolt to fix circuit substrate 43 and bearing retaining member 42 in the past.But, if use fixed component, the problem of the deterioration of the operation property when then having the assembling of the increase that causes part count or motor.On the other hand, in only utilizing clamping fixing, have the fixing loosening situation that makes clamping because of creep.Thus, only depend on the fixing means of clamping aspect durability, to have problems.In addition, only depend on bonding fixing in, under the violent environment for use of variations in temperature, might cause the deterioration of bonding agent etc.Thus, for only depending on bonding fixing means, also be existing problems aspect durability.
In addition, also can consider to use the bonding agent beyond the anaerobic bonding agent.But, for example under the situation of using the two-liquid type bonding agent, need other operation during coating adhesive.Thus, the operability variation of the assembling aspect of motor.In addition, also can consider to use the moment bonding agent.But the curing time of bonding agent moment is fast.Thus, be difficult to and the assembling procedure that matees ground management motor curing time.In addition, it is also conceivable that using epoxy is bonding agent.But epoxy is that in general viscosity is high for bonding agent.Operability when thus, motor is assembled is poor.
Therefore, under the situation of using the anaerobic bonding agent, can not be created in caused problem in the above-mentioned various bonding agents.
As above shown in the explanation, in this execution mode, and circuit substrate 43 and bearing retaining member 42 are fixed with clamping and bonding.Thus, can not damage the part count that motor is cut down on durability ground.
In addition, as stated, the pattern that metal level 432 is used as on the circuit substrate forms.Thus, with regard to the manufacturing procedure that need not append circuit substrate 43 or new parts etc. for coating adhesive.Consequently, can in cost squeeze, improve the constant intensity of circuit substrate 43 and bearing retaining member 42.
< assembling procedure of motor >
Below, the assembling procedure of this motor is described.
Fig. 4 is the flow process of assembling of the motor of first preferred implementation.At first, at bonding agent dispensing area 427 (with reference to Fig. 2) coating adhesive (step S1).As bonding agent, for example can use the anaerobic bonding agent.In addition, bonding agent is to use the distributor coating.In addition, assemble rotating part 20 separately.And, need not spread all over the Zone Full ground coating adhesive of bonding agent dispensing area 427.Can bonding agent only be coated in the part of bonding agent dispensing area 427.In this case, bonding agent also can launch in bonding agent dispensing area 427.
Then, in peristome 431, insert bearing retaining member 42 (step S2).At this moment, guidance part 425 is so that central shaft J1 guides circuit substrate 431 with peristome 431 coaxial modes.In addition, utilize guidance part 425, prevent circuit substrate 43 is disposed on the substrate fixed part 426.
Insert the bearing retaining member 42 of peristome 431, on flange part 423, moved, below butt circuit substrate 43.At this moment, in slit 4311, insert locator protrusions 4234.Like this, just can confirm the position of the circumferencial direction of bearing retaining member 42 and circuit substrate 43.
In addition, as stated, metal level 432 be with overlook in the roughly the same shape of shape of flange part 423.Thus, in case the position of bearing retaining member 42 and the circumferencial direction of circuit substrate 43 be determined, just can be with metal level 432 to locate with the mode of the position consistency of flange part 423.Like this, circuit substrate 43 will press from both sides across metal level 432 and flange part 423 butts.
In addition, when bearing retaining member 42 was inserted in peristome 431, metal level 432 will form state of contact with flange part 423.Between metal level 432 and flange part 423, form fine gap.Coat the bonding agent in the bonding agent dispensing area 427, utilize capillarity to get in this gap.The bonding agent quilt that gets into the gap is blocked with the external world.Meanwhile, bonding agent contacts with metal ion (being bearing retaining member 42 and metal level 432).Thus, will in bonding agent, bring out catalytic reaction.Consequently bonding agent begins to solidify.
Under this state so that the top mode that contacts of at least a portion of substrate fixed part 426 and circuit substrate 43, with substrate fixed part 426 towards the end of peristome 431 warpage (step S3).Like this, circuit substrate 43 is just by substrate fixed part 426 and flange part 423 clampings.After substrate fixed part 426 was by warpage, the catalytic reaction of bonding agent was also continuing.Soon bonding agent fully solidifies.
Then, the outer peripheral face in first cylindrical portion 421 is coated with second bonding agent (step S4).Second bonding agent for example also can use and coat the material identical materials in the bonding agent dispensing area 427.Second bonding agent is utilized the distributor coating.And, need not spread all over whole outer peripheral face ground coating second bonding agent of first cylindrical portion 421.Can second bonding agent be coated the many places of the circumferencial direction of first cylindrical portion 421.Under this situation, bonding agent also can launch in the outer peripheral face of first cylindrical portion 421.
After this, first cylindrical portion 421 is inserted into the inboard (step S5) of back of the body yoke 4111 unshakable in one's determination.Between first cylindrical portion 421 and back of the body yoke 4111 unshakable in one's determination, form small gap.Utilize capillarity, second bonding agent of the outer peripheral face of coating first cylindrical portion 421 is spread to the gap of the outer peripheral face of first cylindrical portion 421 and back of the body yoke 4111 unshakable in one's determination.The second bonding agent quilt that gets into the gap is blocked with the external world.First cylindrical portion 421 and back of the body yoke 4111 unshakable in one's determination are respectively metal materials.Thus, second bonding agent will contact with metal ion (being bearing retaining member 42 and metal level 432).Like this, in bonding agent, will bring out catalytic reaction.Consequently, bonding agent begins to solidify.
In addition, the upper surface butt of following and second cylindrical portion 422 of back of the body yoke 4111 unshakable in one's determination.Under this state, stator fixed part 424 quilts are towards radial outside warpage (step S6).Stator fixed part 424 contacts with the back of the body the top of yoke 4111 unshakable in one's determination.Like this, stator 41 is just by the upper surface of second cylindrical portion 422 and stator fixed part 424 clampings, fixing.
Then, bearing components 30 is fixed in the inboard (step S7) of bearing retaining member 42.At last, axostylus axostyle 21 is inserted (step S8) to the inside of bearing retaining member 42.Utilize aforesaid operation, assemble motor.
Though above an embodiment of the invention are illustrated, yet the present invention is not limited thereto.
For example, metal level 432 need not spread all over the full week of peristome 431 and form.Can metal level 432 along the circumferential direction be formed at many places in the end of peristome 431.In this case, metal level 432 is along the circumferential direction disposed in the end of peristome 431 impartially or unequal.
Be formed at the slit 4311 in the peristome 431, can be more than one but form a plurality of.That is, can below circuit substrate 43,, form a plurality of slits 4311 that cut towards radial outside in the end of peristome 431.In addition, also can increase the number of locator protrusions portion 4234 with it accordingly.In addition, as long as the number of slit 4311 then need not make the number of locator protrusions portion 4234 consistent with slit 4311 greater than the number of locator protrusions portion 4234.
The number of substrate fixed part 426 is not limited to 3.For example, the number of substrate fixed part 426 also can be 1.In this case, substrate fixed part 426 is with flange shape formation.Also can utilize flange shape substrate fixed part 426 that full week of the end of peristome 431 is covered.In addition, also can the number of substrate fixed part be made as 2.In addition, the number of substrate fixed part also can be made as more than 4.In addition, the position of a plurality of substrate fixed parts 426 is not necessarily equivalent arrangements.That is, also can the position of a plurality of substrate fixed parts 426 be disposed in a circumferential direction unequally.
In addition, for the coating of bonding agent, in metal level 432, first cylindrical portion 421 and bonding agent dispensing area 427, not necessarily need be in Zone Full coating adhesive.Also can be in each zone of metal level 432, first cylindrical portion 421 and bonding agent dispensing area 427, the coating adhesive in many places respectively.In addition, even under the few situation in the position of coating adhesive, in each zone of metal level 432, first cylindrical portion 421 and bonding agent dispensing area 427, also can respectively bonding agent be launched.
Bonding agent dispensing area 427 is not necessarily sub-circular.For example, bonding agent dispensing area 427 can be annular or fan-shaped a plurality of zones.
The number of wrist 4231 is not limited to 3.The number of wrist 4231 also can be more than 4.The number of wrist 4231 also can be below 2.
The present invention not only goes for the motor of outer-rotor type, also can be suitable for for the motor of inner-rotor type.Under this situation, bonding agent dispensing areas such as Copper Foil are formed at the outer peripheral face of circuit substrate.This circuit substrate is contained in the case.
Claims (21)
1. motor, it has stationary part, can it is characterized in that with respect to the rotating part of said stationary part around the central shaft rotation,
Said rotating part has the axostylus axostyle along said central shaft arrangement,
Said stationary part has:
Support the bearing components of said axostylus axostyle;
Said bearing components is remained on the bearing retaining member cylindraceous at inner peripheral surface place;
Be disposed at the stator of the radial outside of said bearing retaining member;
Dispose supply said bearing retaining member insert logical peristome, at the circuit substrate that also is fixed in said bearing retaining member than said stator near axial downside,
Said bearing retaining member is processed by metal material,
Dispose the metal level that exposes in the end of said peristome and in outmost surface,
At least a portion at the position of said bearing retaining member and said metal layer contacting is folded with in case contact the bonding agent that will bring out catalytic reaction and solidify with metal ion.
2. motor according to claim 1, wherein
Said bearing retaining member has a plurality of substrate fixed parts that are configured impartial in a circumferential direction or unequally.
3. motor according to claim 2, wherein
On said circuit substrate and in the end of said peristome, said substrate fixed part quilt is towards the radial outside warpage.
4. motor according to claim 2, wherein
Said substrate fixed part is by with flange shape formation,
Utilize said flange shape substrate fixed part that full week of the end of said peristome is covered.
5. motor according to claim 1 and 2, wherein
Below said circuit substrate and in the end of said peristome, be formed with metal level,
Said bearing retaining member has circular flange part,
Said circuit substrate is put above said flange part,
Said bonding agent is configured between the top and said metal level of said flange part.
6. motor according to claim 5, wherein
Said metal level spreaded all over said peristome the end full week and form.
7. motor according to claim 5, wherein
Said metal level along the circumferential direction is formed at many places in the end of said peristome.
8. motor according to claim 5, wherein
Said metal level for the identical shape of shape of said flange part when axially seeing.
9. motor according to claim 1, wherein
Said bearing retaining member has first cylindrical portion, second cylindrical portion, flange part,
Said first cylindrical portion is positioned at the axial upside of said bearing retaining member,
Said second cylindrical portion is positioned at the axial downside of first cylindrical portion,
Said flange part is configured in the downside of second cylindrical portion, and said flange part launches from the end of said second cylindrical portion towards foreign side's side radially.
10. motor according to claim 9, wherein
The external diameter of said second cylindrical portion is bigger than the external diameter of first cylindrical portion.
11. motor according to claim 9, wherein
Said second cylindrical portion has a plurality of guidance parts that draw back the compartment of terrain configuration in a circumferential direction,
The footpath is the distance from said central shaft to said guidance part upwards, increases gradually along with relying on axial downside.
12. motor according to claim 9, wherein,
Said second cylindrical portion has a plurality of guidance parts that draw back the compartment of terrain configuration in a circumferential direction,
At the downside of said second cylindrical portion, draw back the compartment of terrain in a circumferential direction and dispose a plurality of substrate fixed parts,
Diametrically, the outermost distance from said central shaft to said substrate fixed part is equal to or less than the outermost distance from said central shaft to said guidance part.
13. motor according to claim 9, wherein
Said flange part has a plurality of wrists that draw back the compartment of terrain configuration in a circumferential direction,
In said wrist, the fixing hole that runs through vertically is set.
14. motor according to claim 9, wherein
Said flange part has at least one towards the location division that radial outside extends,
In said location division, dispose at least one towards axial side-prominent locator protrusions,
In the end of said peristome, be formed with the slit that at least one cuts towards radial outside,
In said slit, insert logical said locator protrusions.
15. motor according to claim 9, wherein
On said flange part, configuration is used for the bonding agent dispensing area of coating adhesive.
16. motor according to claim 15, wherein
Said bonding agent dispensing area is disposed with the mode along the periphery of second cylindrical portion.
17. motor according to claim 15, wherein
Said bonding agent dispensing area is annular or fan-shaped a plurality of zones.
18. motor according to claim 9, wherein
Outer peripheral face in said first cylindrical portion is coated with second bonding agent,
Said stator has the iron core back of the body yoke of annular,
Said first cylindrical portion is inserted into the inboard of said back of the body yoke unshakable in one's determination,
Said second bonding agent spreads to the outer peripheral face and the said iron core of said first cylindrical portion and carries on the back in the gap of yoke.
19. motor according to claim 18, wherein
At the upside of said first cylindrical portion, draw back the compartment of terrain in a circumferential direction and dispose a plurality of stator fixed parts,
The upper surface butt of following and said second cylindrical portion of said back of the body yoke unshakable in one's determination,
Said stator fixed part quilt is towards the radial outside warpage, and said stator fixed part contacts with the said back of the body the top of yoke unshakable in one's determination.
20. motor according to claim 19, wherein
Said rotating part has rotor magnet,
On said circuit substrate, be formed with the FG pattern of facing mutually vertically with said rotor magnet,
In said circuit substrate, and disposing a plurality of electronic units near radial outside than the residing position of said FG pattern is good.
21. motor according to claim 1, wherein
Said circuit substrate can be installed electronic unit on the two sides.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2010152557A JP5963392B2 (en) | 2010-07-03 | 2010-07-03 | motor |
| JP2010-152557 | 2010-07-03 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102315745A true CN102315745A (en) | 2012-01-11 |
| CN102315745B CN102315745B (en) | 2015-01-07 |
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ID=45428631
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110184787.8A Active CN102315745B (en) | 2010-07-03 | 2011-06-28 | Motor Yuzzi |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP5963392B2 (en) |
| CN (1) | CN102315745B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108233584A (en) * | 2016-12-22 | 2018-06-29 | 日本电产（东莞）有限公司 | Motor |
| CN111788763A (en) * | 2018-03-01 | 2020-10-16 | 戴森技术有限公司 | Method of assembling a rotor to a motor frame |
| CN112189297A (en) * | 2018-05-30 | 2021-01-05 | 美蓓亚三美株式会社 | Motor and manufacturing method of motor |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6586919B2 (en) * | 2016-04-27 | 2019-10-09 | 京セラドキュメントソリューションズ株式会社 | Driving device and image forming apparatus provided with the same |
| CN108321972B (en) * | 2018-04-13 | 2024-05-14 | 四川安和精密电子电器股份有限公司 | Flat motor with novel structure |
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| CN108233584A (en) * | 2016-12-22 | 2018-06-29 | 日本电产（东莞）有限公司 | Motor |
| CN111788763A (en) * | 2018-03-01 | 2020-10-16 | 戴森技术有限公司 | Method of assembling a rotor to a motor frame |
| CN111788763B (en) * | 2018-03-01 | 2023-10-03 | 戴森技术有限公司 | Method for assembling rotor to motor frame and motor |
| CN112189297A (en) * | 2018-05-30 | 2021-01-05 | 美蓓亚三美株式会社 | Motor and manufacturing method of motor |
| US11735977B2 (en) | 2018-05-30 | 2023-08-22 | Minebea Mitsumi Inc. | Motor and manufacturing method of motor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102315745B (en) | 2015-01-07 |
| JP5963392B2 (en) | 2016-08-03 |
| JP2012016226A (en) | 2012-01-19 |
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