CN102315745B - Motor Yuzzi - Google Patents
Motor Yuzzi Download PDFInfo
- Publication number
- CN102315745B CN102315745B CN201110184787.8A CN201110184787A CN102315745B CN 102315745 B CN102315745 B CN 102315745B CN 201110184787 A CN201110184787 A CN 201110184787A CN 102315745 B CN102315745 B CN 102315745B
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- China
- Prior art keywords
- cylindrical portion
- retainer member
- bonding agent
- bearing retainer
- circuit substrate
- Prior art date
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- 239000000758 substrate Substances 0.000 claims abstract description 88
- 239000002184 metal Substances 0.000 claims abstract description 37
- 229910052751 metal Inorganic materials 0.000 claims abstract description 37
- 239000000853 adhesive Substances 0.000 claims abstract description 10
- 230000001070 adhesive effect Effects 0.000 claims abstract description 10
- 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
- 239000007767 bonding agent Substances 0.000 claims description 67
- 230000002093 peripheral effect Effects 0.000 claims description 17
- 239000011248 coating agent Substances 0.000 claims description 13
- 238000000576 coating method Methods 0.000 claims description 13
- 210000000707 wrist Anatomy 0.000 claims description 13
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 description 10
- 238000010586 diagram Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 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
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 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
- 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
- 239000004020 conductor 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
- 238000005476 soldering Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Motor Or Generator Frames (AREA)
Abstract
The invention provides a motor. The motor comprises a bearing retaining component which is made of metal materials. The outermost surface of an opening end of a circuit substrate is provided with an exposed metal layer. An adhesive which will trigger a catalytic reaction after a contact with metal ions and then be solidified is clamped between the bearing retaining component and the circuit substrate part contacted with the metal layer and made of metal materials.
Description
Technical field
The present invention relates to a kind of motor with bearing retainer member and circuit substrate.
Background technology
In recent years, office machine or family's electrical article tend to miniaturization and slimming.For the motor be equipped in these products, also require miniaturization, slimming thereupon.
This kind of motor has bearing retainer member and circuit substrate.In general, bearing retainer member and circuit substrate are fixed by by fixed components such as screws.
Such as, in Japanese Unexamined Patent Publication 10-108414 Japanese Kokai, in the case portion 20 of motor, and be provided with through hole in the many places of the par axially overlapped with printed circuit board 16.In printed circuit board 16, be formed with the multiple holes corresponding with these through holes.In the through hole be formed on respectively in par and printed circuit board and hole, be formed with the groove screwed togather with ridge, screw 17 can be inserted.Like this, just case 20 and printed circuit board 16 are fastened and fixed.
But, in structure disclosed in Japanese Unexamined Patent Publication 10-108414 Japanese Kokai, in case portion 20 or printed circuit board 16, need the fastening space for inserting screw 17.Thus, the size of motor will increase, and cannot realize the miniaturization of motor, slimming.In addition, fastening in order to carry out, need screw 17.Thus, the manufacturing cost of motor will rise.
Summary of the invention
Of the present invention one of preferred embodiment in a kind of motor is provided, its rotating part that there is stationary part, can rotate around central shaft relative to above-mentioned stationary part, above-mentioned rotating part has the axostylus axostyle along above-mentioned central shaft arrangement, and above-mentioned stationary part has the bearing components supporting above-mentioned axostylus axostyle; Above-mentioned bearing components is remained on the bearing retainer member of the cylindrical shape at inner peripheral surface place; Be configured at the stator of the radial outside of above-mentioned bearing retainer member; Be configured with insert above-mentioned bearing retainer member peristome, be also fixed on the circuit substrate in above-mentioned bearing retainer member near axial downside than said stator, above-mentioned bearing retainer member is made up of metal material, the metal level exposed is configured with in outmost surface in the end of above-mentioned peristome, at the position that above-mentioned bearing retainer member contacts with above-mentioned metal level at least partially, be folded with once contact with metal ion and will bring out catalytic reaction and the bonding agent solidified.
Of the present invention one of preferred embodiment in, in the end of the peristome that circuit substrate contacts with bearing retainer member, form the metal level exposed in outmost surface.In addition, bearing retainer member is also formed by metal material.So fixing for bearing retainer member and circuit substrate, can use the anaerobic bonding agent solidified as catalyst using metal ion.
According to the present invention, the part count that need not increase motor can be provided just to achieve the motor of miniaturization, slimming.
Accompanying drawing explanation
Fig. 1 is the profile of the motor of the first execution mode.
Fig. 2 is the vertical view of the bearing retainer member of the first execution mode.
Fig. 3 is the upward view of the circuit substrate of the first execution mode.
Fig. 4 is the flow process of the assembling of the motor of the first execution mode.
Description of reference numerals: 10 motors, 20 rotating parts, 30 bearing components, 40 stationary part, 41 stators, 42 bearing retainer member, 421 first cylindrical portion, 422 second cylindrical portion, 423 flange parts, 424 stator fixed parts, 425 guidance parts, 426 substrate securing part, 427 bonding agent dispensing areas, 431 peristomes, 432 metal levels, J1 central shaft.
Embodiment
The entirety of < motor manufactures >
In the following description, on central shaft J1 direction, by the upside in figure referred to as " upside ", by the downside in figure referred to as " downside "." upside " and " downside " such statement not necessarily needs consistent with gravity direction.
Fig. 1 is the figure of the motor representing the first preferred implementation of the present invention.Fig. 1 is schematic cross sectional view when hypothetically being cut vertically by motor 10.
Motor 10 has: rotating part 20, bearing components 30 and stationary part 40.Rotating part 20 rotates centered by central shaft J1 relative to stationary part 40.Bearing components 30 free rotary ground supporting rotating part 20.Stationary part 40 keeps multiple bearing components 30.In present embodiment, stationary part 40 keeps 2 bearing components.
Rotating part 20 has: axostylus axostyle 21, rotor clamper 22 and rotor magnet 23.
Axostylus axostyle 21 is configured coaxially by with central shaft J1.In present embodiment, axostylus axostyle 21 is approximate circle column.Axostylus axostyle 21 axially extends.In the upper end of the axially upside of axostylus axostyle 21, be provided with recess.When the assembling of motor 10, in this recess, insert fixture.
The axially downside of axostylus axostyle 21 is for being formed with the gear part 211 of multiple groove.By gear part 211 is engaged, the externally torque of output motor 10 with external device (ED) (illustrating slightly).
And gear part 211 also can be formed at the axially upside of axostylus axostyle 21.In addition, also can replace gear part 211, in the axially upside of axostylus axostyle 21 or at least any one party of axial downside, outside transmission member is installed.As outside transmission member, such as, gear can be enumerated.
In Fig. 1, rotor clamper 22 is the approximate circle tubulars having lid.Rotor clamper 22 has axostylus axostyle fixed part 221, cap 222 and cylindrical portion 223.
Cap 222 is discoideus components.Recess is formed in the central authorities of cap 222.In the central authorities of this recess, configuration axostylus axostyle fixed part 221.
In Fig. 1, axostylus axostyle fixed part 221 is the cylindrical shape to axially upside extension.Axostylus axostyle 21 is fixed in 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 given prominence to 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, or lower than the end of axostylus axostyle fixed part 221.
In addition, in cap 222, not necessarily need to form recess.Also can at central authorities' configuration axostylus axostyle fixed part 221 of cap 222.In addition, axostylus axostyle fixed part 221 also can be to the outstanding cylindrical portion in axially downside.
In Fig. 1, cylindrical portion 223 is cylindric components.Extend on the downside of axially from the end of the radial outward side of cap 222.
Rotor clamper 22 is such as shaped by carrying out punch process to laminal magnetic material.In addition, in the operation of punch process, the recess of cap 222 or axostylus axostyle fixed part 221 also can be shaped in the lump.Axostylus axostyle fixed part 221 such as utilizes plunging to be processed to form.And rotor clamper 22 also can utilize other the method such as cut to be formed.
In 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, such as can utilize bonding, press-in or they and be used for carrying out.Exciting magnetize is implemented to rotor magnet 23.In addition, in present embodiment, to the end of the axially downside of rotor magnet 23, implement the magnetize different from exciting magnetize.The magnetize of the axially end of downside of rotor magnet 23 is such as used to position probing purposes.
Stationary part 40 has: stator 41, bearing retainer member 42 and circuit substrate 43.In Fig. 1, bearing retainer member 42 is drums.The axle center of bearing retainer member 42 is coaxial with central shaft J1.Stator 41 is fixed in the outer peripheral face of bearing retainer member 42.Circuit substrate 43 is configured in the axially downside of stator 41.Circuit substrate 43 is fixed in bearing retainer member 42.
Fig. 2 is the vertical view of the bearing retainer member 42 of the first preferred implementation.As shown in Figures 1 and 2, bearing retainer member 42 has: the first cylindrical portion 421, second cylindrical portion 422 and flange part 423.First cylindrical portion 421 is positioned at the axially upside of bearing retainer member 42.Second cylindrical portion 422 is positioned at the axially downside of the first cylindrical portion 421.The external diameter of the second cylindrical portion 422 is larger than the external diameter of the first cylindrical portion 421.Flange part 423 is circular positions.Flange part 423 is configured at the downside of the second cylindrical portion 422.Flange part 423 launches side outward from the end radius vector of the second cylindrical portion 422.
As shown in Figure 1, at the inner peripheral surface of bearing retainer member 42, be configured with multiple bearing components 30.In Fig. 1, as bearing components 30, in the inner peripheral surface of bearing retainer member 42, maintain upside bearing 31 and lower side bearing 32.In the present embodiment, upside bearing 31 and lower side bearing 32 are ball bearing.And, also the bearing of other kinds such as sleeve bearing can be configured at the inside of bearing retainer member 42 as bearing components 30.
At the inner peripheral surface of bearing retainer member 42, be configured with upper lateral section portion 42a and lower lateral section portion 42b respectively.At 42a place of upper lateral section portion, abut upside bearing 31.Like this, the position of upside bearing 31 relative to the axis of bearing retainer member 42 can just be determined.On the other hand, between lower side bearing 32 and lower lateral section portion 42b, prepressing components 50 is configured with.In the present embodiment, prepressing components 50 is lock washers.As prepressing components 50, also spring can be used.Lower side bearing 32 presss from both sides the location of carrying out the axis relative to lower lateral section portion 42b across prepressing components 50.Bearing components 30 be utilized bonding, insert or insert with bonding and with the inner peripheral surface place remaining on bearing retainer member 42.In addition, when bearing components 30 is sleeve bearing, also can press-in be utilized to remain in bearing retainer member 42 bearing components 30.
In addition, at axostylus axostyle 21 place, washer member 60 is installed.Washer member 60 is components of annular.Lower side bearing 32 is between washer member 60 and lower lateral section portion 42b.Like this, the movement of the axis of lower side bearing 32b is just restricted.Consequently, axostylus axostyle 21 is stably kept by bearing components 30.
Bearing retainer member 42 is such as that the casting die employing metal material is shaped.As metal material, such as, aluminium alloy, kirsite etc. can be used.And bearing retainer member 42 also can utilize other the method such as cut or punch process to be shaped.
As shown in Figures 1 and 2, in the upside of the first cylindrical portion 421, be formed with multiple stator fixed part 424.In present embodiment, the number of stator fixed part 424 is 3.Stator fixed part 424 is opened compartment of terrain configuration in a circumferential direction.And, preferably multiple stator fixed part 424 is equally spaced configured in a circumferential direction.
As shown in Figures 1 and 2, the second cylindrical portion 422 has multiple guidance part 425.In present embodiment, the number of guidance part 425 is 3.Guidance part 425 is pulled open compartment of terrain configuration in a circumferential direction.Preferably multiple guidance part 425 is equally spaced configured in a circumferential direction.Increasing gradually along with being close to axially downside from central shaft J1 to the distance of guidance part 425 in radial direction.
In addition, in the downside of the second cylindrical portion 422, be configured with multiple substrate securing part 426.In Fig. 2, the number of substrate securing part 426 is 3.In bearing retainer member 42, multiple substrate securing part 426 is pulled open compartment of terrain configuration in a circumferential direction.Preferably substrate securing part 426 is equally spaced configured in a circumferential direction.Diametrically, from central shaft J1 to outermost apart from equal or less with from central shaft J1 to guidance part 425 of the outermost distance of substrate securing part 426.And, in bearing retainer member 42, also multiple substrate securing part 426 unequally can be configured.That is, bearing retainer member 42 has impartial or multiple substrate securing part 426 of unequally configuring in a circumferential direction.
In Fig. 1, vertical with central shaft J1 above flange part 423.That is, flange part 423 above whole be all circumferentially smooth.
In addition, flange part 423 has multiple wrist 4231.As shown in Figure 2, the number of wrist 4231 is 3.Wrist 4231 extends outward from flange part 423 radius vector respectively.Wrist 4231 is pulled open compartment of terrain configuration in a circumferential direction.Preferably wrist 4231 is equally spaced configured in a circumferential direction.In each wrist 4231, be provided with the fixing hole 4232 run through vertically.In fixing hole 4232, insert fixed component (not shown).Like this, just can be fixing relative to apparatus main body (diagram slightly) by motor 10.And, as fixed component, such as, can use bolt, screw or rivet etc.
Flange part 423 has at least one location division 4233 extended towards radial outside.In location division 4233, be configured with the locator protrusions 4234 that at least one is outstanding towards axially side.
In addition, on flange part 423, be configured with the bonding agent dispensing area 427 of coating adhesive.Bonding agent dispensing area 427 is annular.Bonding agent dispensing area 427 configures in the mode of the periphery along the second cylindrical portion 422.
Stator 41 has stator core 411 and coil 412.Stator core 411 is formed by stacked multi-disc magnetic steel plate.Stator core 411 has back yoke portion 4111 unshakable in one's determination and multiple teeth portion 4112.In the present embodiment, back yoke portion 4111 unshakable in one's determination is annular.Each teeth portion 4112 becomes radiated entends from back yoke portion 4111 unshakable in one's determination towards radial outside.Stator 41 was implemented the powder brushing using insulating material to carry out.Coil 412 is formed by coiled electrical conductor in each teeth portion 4112.And, in stator 41, also the insulator be made up of insulating material such as resin materials can be installed.In this situation, by folder across insulator by Wire-wound in each teeth portion 4112, and form coil 412.
Fig. 3 is the upward view of the circuit substrate of the first preferred implementation.In present embodiment, circuit substrate 43 is made up of glass epoxy resin.In addition, in present embodiment, circuit substrate 43 is can at the substrate of two sides mounting electronic parts.At the center of circuit substrate 43, be provided with the peristome 431 run through vertically.In peristome 431, insert the second cylindrical portion 422.
In addition, below circuit substrate 43, in the end of peristome 431, be formed with the slit 4311 that at least one cuts towards radial outside.In slit 4311, insert locator protrusions 4234.Like this, just can prevent bearing retainer member 42 from relatively rotating in a circumferential direction relative to circuit substrate 43.
In addition, in present embodiment, motor 10 is three phase electric machines.Below circuit substrate 43, be configured with the pad (not shown) corresponding with U phase, V phase, W.The wire (not shown) of drawing from coil 412, is brazed on 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 does not limit.
Hall element (not shown) is configured with below circuit substrate 43.Hall element detects the change in the magnetic field produced from rotor magnet 23 along with the rotation of rotating part 20.The position of rotation of rotating part 20 can be detected whereby.
FG (Frequency Generator) pattern is configured with on circuit substrate 43.FG pattern and rotor magnet 23 facing vertically.The change in the magnetic field utilizing the rotation along with rotating part 20 to produce from rotor magnet 23, induces voltage in FG pattern.This induced voltage becomes FG signal via other electronic unit etc.By reading this FG signal, position of rotation and the speed of rotary body 20 just can be detected.And in the present embodiment, in circuit substrate 43, the radial outside of the position residing for FG pattern, is configured with multiple electronic unit (diagram slightly).In addition, by above-mentioned with U phase, the corresponding pad (not shown) of V phase, W is also configured at the radial outward side of the position that FG pattern configures.
In addition, in circuit substrate 43, the welding disk (diagram slightly) of soldering flexible flat cable (FFC (Flexible Flat Cable)) (diagram slightly) is configured with.Flexible flat cable is such as 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 configures in the mode of the profile along peristome 431.As shown in Figure 3, metal level 432 is shapes roughly the same with the shape of the flange part 423 when seeing from axis.That is, metal level 432 have the multiple wrist metal levels 4321 corresponding with wrist 4231, with location division 4233 and slit metal level 4322 corresponding to slit 4311.
In the present embodiment, metal level 432 is Copper Foil.Metal level 432 can side by side being formed during printed base plate pattern on circuit substrate 43.So, when forming metal level 432, do not need the manufacturing procedure that adds or parts.Thus, the cost spent in the manufacture of circuit substrate 43 or activity time can be cut down.
The fixed structure > of < bearing retainer member and circuit substrate
As shown in Figure 1, circuit substrate 43 by placing above flange part 423.Bonding agent is configured in above and between metal level 432 of flange part 423.As bonding agent, such as, can use to utilize and bring out catalytic reaction with the contact of metal ion and the bonding agent that solidifies.More particularly, anaerobic bonding agent can be used.As the kind of anaerobic bonding agent, such as, there is acrylic resin anaerobic bonding agent.
On circuit substrate 43, in the end of peristome 431, substrate securing part 426 is respectively by radial outside warpage.Abutting with circuit substrate 43 at least partially of substrate securing part 426.Consequently, circuit substrate 43 is clamped by substrate securing part 426 and flange part 423, fixes.By and with this by fixing by bonding agent of clamping fixing and above-mentioned, just circuit substrate 43 can be firmly fixed at bearing retainer member 42 place.
About this point, be utilize the fixed components such as bolt to fix circuit substrate 43 and bearing retainer member 42 in the past.But, if use fixed component, then the problem of the deterioration of workability when having an assembling of increase or the motor causing part count.On the other hand, only utilize clamping fixing in, have the fixing situation about loosening making clamping because of creep.Thus, only have problems in durability by the fixing means of clamping.In addition, only by bonding fixing in, under the environment for use that variations in temperature is violent, likely cause the deterioration etc. of bonding agent.Thus, for only by bonding fixing means, be also have problems in durability.
In addition, also can consider to use the bonding agent beyond anaerobic bonding agent.But, such as, when using two-liquid type bonding agent, during coating adhesive, need other operation.Thus, the operability of the assembling aspect of motor is deteriorated.In addition, also can consider to use moment bonding agent.But the curing time of bonding agent moment is fast.Thus, be difficult to and the assembling procedure managing motor curing time matchingly.In addition, it is also conceivable to use epoxy bonding agent.But epoxy bonding agent in general viscosity is high.Thus, operability during motor assembling is poor.
Therefore, when using anaerobic bonding agent, problem caused in above-mentioned various bonding agents can not be produced.
As described above, in the present embodiment, and with clamping with adhesively circuit substrate 43 and bearing retainer member 42 are fixed.Thus, the part count of motor is cut down while durability can not be damaged.
In addition, as mentioned above, metal level 432 is formed by as the pattern on circuit substrate.Thus, just the manufacturing procedure that circuit substrate 43 added in order to coating adhesive or new parts etc. are not needed.Consequently, while cost squeeze, the constant intensity of circuit substrate 43 and bearing retainer member 42 can be improved.
The assembling procedure > of < motor
Below, the assembling procedure of this motor is described.
Fig. 4 is the flow process of the assembling of the motor of the first preferred implementation.First, at bonding agent dispensing area 427 (with reference to Fig. 2) coating adhesive (step S1).As bonding agent, such as, can use anaerobic bonding agent.In addition, bonding agent uses distributor coating.In addition, rotating part 20 is assembled separately.And, do not need the Zone Full ground coating adhesive throughout bonding agent dispensing area 427.Bonding agent only can be coated in a part for bonding agent dispensing area 427.In this case, bonding agent also can launch in bonding agent dispensing area 427.
Then, in peristome 431, bearing retainer member 42 (step S2) is inserted.Now, guidance part 425 is with the mode guidance circuit substrate 431 making central shaft J1 and peristome 431 coaxial.In addition, utilize guidance part 425, prevent circuit substrate 43 to be configured on substrate securing part 426.
The bearing retainer member 42 in insertion opening portion 431, by mobile on flange part 423, until abut below circuit substrate 43.Now, in slit 4311, locator protrusions 4234 is inserted.Like this, the position of the circumferencial direction of bearing retainer member 42 and circuit substrate 43 can just be determined.
In addition, as mentioned above, metal level 432 be with overlook in the roughly the same shape of the shape of flange part 423.Thus, once bearing retainer member 42 is determined with the position of the circumferencial direction of circuit substrate 43, just metal level 432 can be located in the mode of the position consistency with flange part 423.Like this, circuit substrate 43 will press from both sides and abut with flange part 423 across metal level 432.
In addition, when bearing retainer member 42 is inserted in peristome 431, metal level 432 will form with flange part 423 state contacted.Fine gap is formed between metal level 432 and flange part 423.Coat the bonding agent in bonding agent dispensing area 427, utilize capillarity to enter in this gap.The bonding agent entering gap is blocked by with the external world.Meanwhile, bonding agent contacts with metal ion (i.e. bearing retainer member 42 and metal level 432).Thus, catalytic reaction will be brought out in bonding agent.Consequently bonding agent starts solidification.
In this condition, with make substrate securing part 426 at least partially with the mode contacted above of circuit substrate 43, by the end warpage (step S3) of substrate securing part 426 towards peristome 431.Like this, circuit substrate 43 is just clamped by substrate securing part 426 and flange part 423.After substrate securing part 426 is by warpage, the catalytic reaction of bonding agent is also in continuation.Soon bonding agent fully solidifies.
Then, the second bonding agent (step S4) is coated with at the outer peripheral face of the first cylindrical portion 421.Second bonding agent such as also can use the material identical with the material coated in bonding agent dispensing area 427.Second bonding agent is utilized distributor coating.And, do not need throughout the first cylindrical portion 421 whole outer peripheral face be coated with the second bonding agent.Second bonding agent can be coated the many places of the circumferencial direction of the first cylindrical portion 421.In this situation, bonding agent also can launch in the outer peripheral face of the first cylindrical portion 421.
After this, the first cylindrical portion 421 is inserted into the inner side (step S5) of back yoke 4111 unshakable in one's determination.Between the first cylindrical portion 421 and back yoke unshakable in one's determination 4111, form small gap.Utilize capillarity, the second bonding agent of the outer peripheral face coating the first cylindrical portion 421 is spread in the outer peripheral face of the first cylindrical portion 421 and the gap of back yoke unshakable in one's determination 4111.The second bonding agent entering gap is blocked by with the external world.First cylindrical portion 421 and back yoke unshakable in one's determination 4111 are metal material respectively.Thus, the second bonding agent will contact with metal ion (i.e. bearing retainer member 42 and metal level 432).Like this, catalytic reaction will be brought out in bonding agent.Consequently, bonding agent starts solidification.
In addition, abut with the upper surface of the second cylindrical portion 422 below back yoke 4111 unshakable in one's determination.In this condition, stator fixed part 424 is by towards radial outside warpage (step S6).Stator fixed part 424 contacts above with back yoke 4111 unshakable in one's determination.Like this, stator 41 just by the second cylindrical portion 422 upper surface and stator fixed part 424 clamps, fixing.
Then, bearing components 30 is fixed in the inner side (step S7) of bearing retainer member 42.Finally, axostylus axostyle 21 is inserted (step S8) to the inside of bearing retainer member 42.Utilize operation as above, assemble motor.
Although above, an embodiment of the invention are illustrated, but the present invention is not limited thereto.
Such as, metal level 432 does not need throughout the all-round of peristome 431 and is formed.Metal level 432 along the circumferential direction can be formed at many places in the end of peristome 431.In this case, metal level 432 in the end of peristome 431 by along the circumferential direction impartial or unequally configure.
Be formed at the slit 4311 in peristome 431, can be more than one but formed multiple.That is, below circuit substrate 43, in the end of peristome 431, multiple slit 4311 cut towards radial outside can be formed.In addition, the number in locator protrusions portion 4234 can also be increased correspondingly.In addition, as long as the number of slit 4311 is greater than the number in locator protrusions portion 4234, then do not need to make the number in locator protrusions portion 4234 consistent with slit 4311.
The number of substrate securing part 426 is not limited to 3.Such as, the number of substrate securing part 426 also can be 1.In this case, substrate securing part 426 is with flange shape formation.Also flange shape substrate securing part 426 can be utilized all-round for the end of peristome 431 covering.In addition, also the number of substrate securing part can be set to 2.In addition, the number of substrate securing part also can be set to more than 4.In addition, the position not necessarily equivalent arrangements of multiple substrate securing part 426.That is, also the position of multiple substrate securing part 426 unequally can be configured in a circumferential direction.
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 coating adhesive in Zone Full.Also can in each region of metal level 432, first cylindrical portion 421 and bonding agent dispensing area 427, respectively at many places coating adhesive.In addition, even if when the position of coating adhesive is few, in each region 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 not necessarily sub-circular.Such as, bonding agent dispensing area 427 can be annular or fan-shaped multiple regions.
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 less than 2.
Circuit substrate 43 also can be that phenolic aldehyde is made of paper.In addition, bearing components 30 also can be 1.
The present invention not only goes for the motor of outer-rotor type, and the motor for inner-rotor type also can be suitable for.In this situation, the bonding agent dispensing areas such as Copper Foil are formed at the outer peripheral face of circuit substrate.This circuit substrate is contained in case.
Claims (21)
1. a motor, its rotating part having stationary part, can rotate around central shaft relative to described stationary part, is characterized in that,
Described rotating part has the axostylus axostyle along described central shaft arrangement,
Described stationary part has:
Support the bearing components of described axostylus axostyle;
Described bearing components is remained on the bearing retainer member of the cylindrical shape at inner peripheral surface place;
Be configured at the stator of the radial outside of described bearing retainer member;
Be configured with insert for described bearing retainer member peristome, be also fixed in the nonmetallic circuit substrate of described bearing retainer member near axial downside than described stator,
Described bearing retainer member is made up of metal material,
Be configured with in the end of described peristome the metal level exposed in outmost surface, described metal level formed by as the pattern on described circuit substrate,
At the position of described bearing retainer member and described pattern contacts at least partially, be folded with once contact with metal ion and will bring out catalytic reaction and the bonding agent solidified.
2. motor according to claim 1, wherein
Described bearing retainer member has impartial or multiple substrate securing part of being unequally configured in a circumferential direction.
3. motor according to claim 2, wherein
On described circuit substrate and in the end of described peristome, described substrate securing part is by towards radial outside warpage.
4. motor according to claim 2, wherein
Described substrate securing part by with flange shape formation,
Utilize described flange shape substrate securing part by all-round for the end of described peristome covering.
5. motor according to claim 1 and 2, wherein
Metal level is formed with in the end of described peristome below described circuit substrate,
Described bearing retainer member has circular flange part,
Described circuit substrate by placing above described flange part,
Described bonding agent is configured in above and between described metal level of described flange part.
6. motor according to claim 5, wherein
Described metal level is formed by the all-round of the end throughout described peristome.
7. motor according to claim 5, wherein
Described metal level is along the circumferential direction formed at many places in the end of described peristome.
8. motor according to claim 5, wherein
Described metal level is the shape identical with the shape of described flange part when seeing from axis.
9. motor according to claim 1, wherein
Described bearing retainer member has the first cylindrical portion, the second cylindrical portion, flange part,
Described first cylindrical portion is positioned at the axially upside of described bearing retainer member,
Described second cylindrical portion is positioned at the axially downside of the first cylindrical portion,
Described flange part is configured in the downside of the second cylindrical portion, and described flange part launches from the end of described second cylindrical portion towards radial outward side.
10. motor according to claim 9, wherein
The external diameter of described second cylindrical portion is larger than the external diameter of the first cylindrical portion.
11. motors according to claim 9, wherein
Described second cylindrical portion has the multiple guidance parts pulling open compartment of terrain configuration in a circumferential direction,
From described central shaft to the distance of described guidance part in radial direction, increase gradually along with being close to axially downside.
12. motors according to claim 9, wherein,
Described second cylindrical portion has the multiple guidance parts pulling open compartment of terrain configuration in a circumferential direction,
In the downside of described second cylindrical portion, pull open compartment of terrain in a circumferential direction and be configured with multiple substrate securing part,
Diametrically, from described central shaft to the outermost distance of described substrate securing part, be equal to or less than the outermost distance from described central shaft to described guidance part.
13. motors according to claim 9, wherein
Described flange part has the multiple wrists pulling open compartment of terrain configuration in a circumferential direction,
In described wrist, the fixing hole run through vertically is set.
14. motors according to claim 9, wherein
Described flange part has at least one location division extended towards radial outside,
In described location division, be configured with the locator protrusions that at least one is outstanding towards axially side,
In the end of described peristome, be formed with the slit that at least one cuts towards radial outside,
Described locator protrusions is inserted in described slit.
15. motors according to claim 9, wherein
On described flange part, be configured for the bonding agent dispensing area of coating adhesive.
16. motors according to claim 15, wherein
Described bonding agent dispensing area is configured by the mode of the periphery along the second cylindrical portion.
17. motors according to claim 15, wherein
Described bonding agent dispensing area is annular or fan-shaped multiple regions.
18. motors according to claim 9, wherein
The second bonding agent is coated with at the outer peripheral face of described first cylindrical portion,
Described stator has the back yoke unshakable in one's determination of annular,
Described first cylindrical portion is inserted into the inner side of described back yoke unshakable in one's determination,
Described second bonding agent spreads in the outer peripheral face of described first cylindrical portion and the gap of described back yoke unshakable in one's determination.
19. motors according to claim 18, wherein
In the upside of described first cylindrical portion, pull open compartment of terrain in a circumferential direction and be configured with multiple stator fixed part,
Abut with the upper surface of described second cylindrical portion below described back yoke unshakable in one's determination,
Described stator fixed part is by towards radial outside warpage, and described stator fixed part contacts above with described back yoke unshakable in one's determination.
20. motors according to claim 19, wherein
Described rotating part has rotor magnet,
On described circuit substrate, be formed with the FG pattern facing vertically with described rotor magnet,
In described circuit substrate, and be configured with multiple electronic unit better than the position residing for described FG pattern near radial outside.
21. motors according to claim 1, wherein
Described circuit substrate can at two sides mounting electronic parts.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2010-152557 | 2010-07-03 | ||
| JP2010152557A JP5963392B2 (en) | 2010-07-03 | 2010-07-03 | motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102315745A CN102315745A (en) | 2012-01-11 |
| CN102315745B true CN102315745B (en) | 2015-01-07 |
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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) |
Families Citing this family (5)
| 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 |
| CN108233584A (en) * | 2016-12-22 | 2018-06-29 | 日本电产（东莞）有限公司 | Motor |
| GB2571556B (en) * | 2018-03-01 | 2020-09-30 | Dyson Technology Ltd | A method of mounting a rotor assembly to a frame of an electric motor |
| 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 |
| JP7154824B2 (en) * | 2018-05-30 | 2022-10-18 | ミネベアミツミ株式会社 | motor |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0730570U (en) * | 1993-11-16 | 1995-06-06 | 東京パーツ工業株式会社 | Spindle motor for disk drive |
| DE19632275C2 (en) * | 1996-08-09 | 2001-02-22 | Drei Bond Gmbh Chemische Verbi | Sealing and adhesive process for component connections |
| JP2000175403A (en) * | 1998-12-03 | 2000-06-23 | Sankyo Seiki Mfg Co Ltd | Mounting structure of motor substrate in motor |
| JP2002281714A (en) * | 2001-03-19 | 2002-09-27 | Canon Inc | Motor |
| JP2002343016A (en) * | 2001-05-18 | 2002-11-29 | Tokyo Parts Ind Co Ltd | Spindle motor having turntable section and method of manufacturing for the same |
| JP2002354772A (en) * | 2001-05-24 | 2002-12-06 | Canon Precision Inc | Brushless motor with lubricating fluid pressure bearing apparatus |
| JP2004340183A (en) * | 2003-05-13 | 2004-12-02 | Ntn Corp | Fluid bearing device |
| JP4401994B2 (en) * | 2004-03-29 | 2010-01-20 | 信越化学工業株式会社 | Laminated body |
| JP2007110791A (en) * | 2005-10-12 | 2007-04-26 | Nippon Densan Corp | Bearing mechanism and motor |
| JP2007228706A (en) * | 2006-02-22 | 2007-09-06 | Nippon Densan Corp | Spindle motor |
| JP4882510B2 (en) * | 2006-05-26 | 2012-02-22 | 日本電産株式会社 | Brushless motor |
-
2010
- 2010-07-03 JP JP2010152557A patent/JP5963392B2/en active Active
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2011
- 2011-06-28 CN CN201110184787.8A patent/CN102315745B/en active Active
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| Title |
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| JP特开2007-110791A 2007.04.26 * |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2012016226A (en) | 2012-01-19 |
| JP5963392B2 (en) | 2016-08-03 |
| CN102315745A (en) | 2012-01-11 |
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