CN106374667B - Automobile micromotor shell - Google Patents
Automobile micromotor shell Download PDFInfo
- Publication number
- CN106374667B CN106374667B CN201610969610.1A CN201610969610A CN106374667B CN 106374667 B CN106374667 B CN 106374667B CN 201610969610 A CN201610969610 A CN 201610969610A CN 106374667 B CN106374667 B CN 106374667B
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- Prior art keywords
- casing
- bearing
- axial
- fixed part
- bearing chamber
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/16—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
Abstract
The invention discloses a kind of automobile micromotor shells, it includes casing and end cap, the casing has casing bearing chamber, the axial outer end portion of the casing bearing chamber is provided with the first fixed part of the axial end portion for fixing bearing, it is provided with the first through hole stretched out for motor shaft on first fixed part, cylinder lower shaft at cylinder bottom is provided with the first recessed axially inwards dent slot in the transition region between outside wall surface and the first radial outer wall face of casing bearing chamber, and the first convex ribs of axial effective length corresponding with the first dent slot and to casing internal protrusion and for extending casing bearing chamber are formed in the transition region between the inside wall surface of cylinder lower shaft at cylinder bottom and the first inner radial wall face of casing bearing chamber.What the present invention can not only ensure assembly bearing in casing and end cap axially engages length, and ensure the verticality requirement of fixed part and the bearing chamber centre of gyration on casing and end cap, bearing and the loosening between it are avoided, to generate noise, influences the phenomenon that motor runs well.
Description
Technical field
The present invention relates to a kind of automobile micromotor shells.
Background technology
Currently, micro machine is using more and more in existing sedan, such as：The forward and backward position of automotive seat is adjusted, backrest
And seat angular adjustment, water jet pump driving when vehicle glass cleans, the direction of automobile rearview mirror adjusts, automobile front
Direction adjust etc., the performance of automobile and security requirement are also higher and higher, and when manufacturing existing this micro machine, shell
Major part is machine cut machine-shaping or the molding realization of several part combinations, and manufacturing cost is high, and processing efficiency is low, and
The bearing chamber of casing end, hardly possible reaches to be required with the concentricity of entire casing centre of location axis, fixed solid due to being used for bearing
Determining portion has the requirement of vertical bearing axis of rotation, machining that must do withdrawing technique in bearing chamber bottom and just can guarantee, thus
Greatly reduced bearing chamber axially engages length, therefore, because mach characteristic, it is difficult to accomplish to ensure the axis of bearing
To length of fit, and ensure the verticality of fixed part and the bearing chamber centre of gyration；Same reason, the bearing of end cap end
Room, also hardly possible reaches requires with the concentricity of entire end cap centre of location axis, since fixed part has wanting for vertical bearing axis of rotation
It asks, machining must do withdrawing technique in bearing chamber bottom and just can guarantee, the axial direction that thus greatly reduced bearing chamber is matched
Length is closed, therefore, because mach characteristic, it is also difficult to accomplish to ensure the length that axially engages of bearing, and ensure fixed part
With the verticality of the bearing chamber centre of gyration, but automobile jolting with road surface in the process of moving, the vibrations of vehicle body and it is long when
Between rotation, if the not axially position portion for axially engaging length and bearing end of bearing and bearing chamber in end cap and casing
The guarantee of the verticality of the centre of gyration, bearing just will appear the loosening between casing, generate noise, and bearing pine even occurs in some
It moves, fall off, seriously affected the normal operation of motor, there is serious security risk.
Invention content
The technical problem to be solved by the present invention is to overcome the deficiencies of existing technologies, a kind of automobile micromotor shell is provided,
What it can not only ensure assembly bearing in casing and end cap axially engages length, and ensure on casing and end cap fixed part with
The verticality requirement of the bearing chamber centre of gyration, avoids bearing and the loosening between it, to generate noise, it is normal to influence motor
The phenomenon that operating.
In order to solve the above-mentioned technical problem, the technical scheme is that：A kind of automobile micromotor shell, it includes：
One end of casing, the casing is open end, and the other end of the casing is formed with a bottom, is arranged on the cylinder bottom
There are the casing bearing chamber for projecting axially outward and accommodating bearing, the casing to be provided in its open end same with the rotating shaft of casing
The seam allowance portion of axis, the axial outer end portion of the casing bearing chamber are provided with first of the axial end portion for fixing bearing and fix
Portion is provided with the first through hole stretched out for motor shaft on first fixed part, cylinder bottom cylinder lower shaft to outside wall surface and casing
The first recessed axially inwards dent slot is provided in transition region between first radial outer wall face of bearing chamber, and at cylinder bottom
It is formed with and the first dent slot pair in transition region between the inside wall surface of cylinder lower shaft and the first inner radial wall face of casing bearing chamber
It answers and is protruded to casing internal and the first convex ribs of axial effective length for extending casing bearing chamber；
There is lid portion, the seam allowance portion cooperation of the lid portion and casing to assemble for end cap, the end cap, the lid portion
Centre is provided with the bearing with end cover room for projecting axially outward and accommodating bearing, and the axial outer end portion of the bearing with end cover room is set
It is equipped with the second fixed part of the axial end portion for fixing another bearing, is provided on second fixed part and is stretched out for motor shaft
The second through-hole, in the transition region between the lid axial direction outside wall surface in lid portion and the second radial outer wall face of bearing with end cover room
It is provided with the second recessed axially inwards dent slot, and in the second diameter of the lid axial direction internal face in lid portion and bearing with end cover room
It is formed in transition region between inside wall surface corresponding with the second dent slot and to casing direction protrusion and for extending end-cover axle
Hold the second convex ribs of the axial effective length of room.
Further for brushgear housing is mounted and positioned in casing, the open end of the casing is provided at least two use
It is deeper than the axial depth in the seam allowance portion in the axial depth of the casing locating slot of brushgear housing positioning, the casing locating slot.
It is determined further for direction during automated production and the fool proof of process is arranged, in all machines
In shell locating slot, width of the wherein at least two casing locating slot in casing circumferential direction is unequal.
It is moved up in the week of casing further for magnets of stator is limited, the middle part of the casing is extended into casing
At least two for limiting the magnets of stator on casing in the positioning region that the week of casing moves up.
Further, there are two the positioning region settings, and symmetrical butterfly wing-like, institute in the circumferential direction of casing are formed in
It states length L of the positioning region in the axial direction of casing and is less than 15mm, the positioning region is on the extending direction extended into casing
Length h is less than 10mm, and two positioning region intersections are formed by acute angle and are not more than 40 °.
It is moved in the axial direction of the housing further for magnets of stator is limited, in casing in the circumferential wall at the cylinder bottom
It is provided with for the axially position portion to the magnets of stator axially position on casing, the axially position portion is the circumference in casing
The locating plate that ecto-entad punching press or punching obtain on wall.
Further, the cylinder lower shaft at the cylinder bottom of the casing is installment work face to outside wall surface, is set on the installment work face
It is equipped with the connecting hole and/or technology hole for being installed with driven-mechanism.
Brushgear housing is positioned further on end cap, at least two use are provided on the ora terminalis in the lid portion
In the end cap locating slot of brushgear housing positioning.
It is determined further for direction during automated production and the fool proof of process is arranged, at all ends
In lid locating slot, width of the wherein at least two end cap locating slot in the circumferential direction in lid portion is unequal.
Further for the rigidity for increasing end cap, its flexible deformation is reduced, ensures the second of lid portion and bearing with end cover room
The verticality requirement of the axis of rotation in inner radial wall face, the lid axial direction internal face in the lid portion is provided with to be recessed axially outward
The groove of certain depth.
After using above-mentioned technical proposal, the first convex ribs of the invention increase the axial effective length of casing bearing chamber,
The installation strength for significantly improving the bearing in casing effectively prevents the obscission of the bearing in casing；Exist simultaneously
The axial outer end portion of casing bearing chamber is provided with the first fixed part, and is provided with first through hole on the first fixed part, such
During casing bearing chamber side wall ironing, since deformation ratio is larger, that is, it ensure that the first diameter of casing bearing chamber is inside
The requirement of the concentricity in wall surface and the first radial outer wall face, in turn ensures the first inner radial wall of the first fixed part and casing bearing chamber
The verticality of the axis of rotation in face, it is often more important that, due to being provided with first through hole on the first fixed part, in casing bearing chamber
Side wall ironing and when being formed simultaneously the first fixed part, have good material release area, ensureing casing bearing chamber in this way
In the case that side wall is not pulled, the transition region in the first inner radial wall face and the first fixed part of casing bearing chamber is considerably reduced
Length be less than 0.2 millimeter, the bearing to effectively increase casing bearing chamber axially engages length；Similarly, of the invention
Second convex ribs increase the axial effective length of bearing with end cover room, significantly improve the installation strength of the bearing in end cap, have
Prevent to effect the obscission of the bearing in end cap；The axial outer end portion in bearing with end cover room is provided with the second fixation simultaneously
Portion, and the second through-hole is provided on the second fixed part, during such bearing with end cover room side wall ironing, due to becoming
Shape is bigger, that is, ensure that the second inner radial wall face of bearing with end cover room and the concentricity requirement in the second radial outer wall face, and protect
Demonstrate,prove the verticality of the second fixed part and the axis of rotation in the second inner radial wall face of bearing with end cover room, it is often more important that, due to
The second through-hole is provided on the second fixed part, bearing with end cover room side wall ironing and be formed simultaneously the second fixed part
When, there is good material release area to considerably reduce end cap in this way in the case where ensureing that bearing with end cover room side wall is not pulled
Second inner radial wall face of bearing chamber and the length of the transition region of the second fixed part are less than 0.2 millimeter, to effectively increase
The bearing of bearing with end cover room axially engages length, by the above measure, avoids the loosening production between bearing and casing or end cap
Raw noise, influences the phenomenon that motor runs well.
Description of the drawings
Fig. 1 is the stereogram of the automobile micromotor shell shell of the present invention；
Fig. 2 is the structural schematic diagram of the automobile micromotor shell shell of the present invention；
Fig. 3 is the A-A sectional views of Fig. 2；
Fig. 4 is the portions the B enlarged diagram in Fig. 3.
Fig. 5 is the stereogram one of the automobile micromotor shell end cap of the present invention；
Fig. 6 is the stereogram two of the automobile micromotor shell end cap of the present invention；
Fig. 7 is the structural schematic diagram of the automobile micromotor shell end cap of the present invention；
Fig. 8 is the portions the C schematic diagram in Fig. 7.
Specific implementation mode
In order that the present invention can be more clearly and readily understood, right below according to specific embodiment and in conjunction with attached drawing
The present invention is described in further detail.
As shown in Fig. 1~8, a kind of automobile micromotor shell, it includes：
Casing, the casing is by by multiple punching press punching, punching stretch, punch forming, being made one block of sheet metal
One end of the shell of the tubular at one substantially a hollow band bottom, the casing is open end 11, and the other end of the casing is formed
There is a bottom 12, the casing bearing chamber 13 for projecting axially outward and accommodating bearing is provided on the cylinder bottom 12, the casing is at it
Open end 11 is provided with the seam allowance portion 16 coaxial with the rotating shaft of casing, and the axial outer end portion of the casing bearing chamber 13 is provided with
First fixed part 131 of the axial end portion for fixing bearing is provided on first fixed part 131 and to be stretched out for motor shaft
First through hole 1311, cylinder bottom 12 cylinder lower shaft between outside wall surface 120 and the first radial outer wall face 130 of casing bearing chamber 13
Transition region on be provided with the first axially inwards recessed dent slot 14, and the inside wall surface 1200 of cylinder lower shaft at cylinder bottom 12 and machine
It is formed in transition region between first inner radial wall face 1300 of shell bearing chamber 13 corresponding with the first dent slot 14 and to casing
First convex ribs 15 of inside protrusion and the axial effective length for extending casing bearing chamber 13；The height of first convex ribs 15 is less than
1mm；
End cap, the end cap is by by multiple punching press punching, punching stretch, punch forming, being made one block of sheet metal
One structure for being generally similar to carnival hat, the end cap have lid portion 21, and the lid portion 21 and the seam allowance portion 16 of casing match
It attaches together and matches, the centre in the lid portion 21 is provided with the bearing with end cover room 22 for projecting axially outward and accommodating bearing, described
The axial outer end portion of bearing with end cover room 22 is provided with the second fixed part 221 of the axial end portion for fixing another bearing, described
The second through-hole 2211 stretched out for motor shaft is provided on second fixed part 221, the lid axial direction outside wall surface 210 in lid portion 21
The second recessed axially inwards dent slot is provided in transition region between the second radial outer wall face 220 of bearing with end cover room 22
23, and the mistake between the lid axial direction internal face 2100 in lid portion 21 and the second inner radial wall face 2200 of bearing with end cover room 22
It crosses in area and is formed with corresponding with the second dent slot 23 and is protruded to casing direction and axial direction for extending end cap bearing chamber 22 has
Imitate the second convex ribs 24 of length.Length of second convex ribs 4 in the axial direction of bearing with end cover room 22 is less than 1mm.
First convex ribs 15 of the present embodiment increase the axial effective length of casing bearing chamber 13, significantly improve casing
The installation strength of interior bearing effectively prevents the obscission of the bearing in casing；Simultaneously in the axis of casing bearing chamber 13
Outside end is provided with the first fixed part 131, and first through hole 1311, such casing are provided on the first fixed part 131
During 13 side wall ironing of bearing chamber, since deformation ratio is larger, that is, it ensure that the first diameter of casing bearing chamber 13 is inside
The requirement of the concentricity in wall surface 1300 and the first radial outer wall face 130 in turn ensures the first fixed part 131 and casing bearing chamber 13
The verticality of the axis of rotation in the first inner radial wall face 1300, it is often more important that, due to being provided on the first fixed part 131
One through-hole 1311, casing bearing chamber 13 side wall ironing and when being formed simultaneously the first fixed part 131, have good material
Area is discharged, in this way in the case where ensureing that 13 side wall of casing bearing chamber is not pulled, considerably reduces the of casing bearing chamber 13
The length of the transition region of one inner radial wall face 1300 and the first fixed part 131 is less than 0.2 millimeter, to effectively increase casing
The bearing of bearing chamber 13 axially engages length；Similarly, the axial direction that the second convex ribs 24 of the invention increase bearing with end cover room 22 has
Length is imitated, the installation strength of the bearing in end cap is significantly improved, effectively prevents the obscission of the bearing in end cap；
Axial outer end portion in bearing with end cover room 22 is provided with the second fixed part 221 simultaneously, and the is provided on the second fixed part 221
Two through-holes 2211 since deformation ratio is larger, that is, ensure that end cap during the 22 side wall ironing of such bearing with end cover room
The concentricity requirement in the second inner radial wall face 2200 and the second radial outer wall face 220 of bearing chamber 22, in turn ensures the second fixation
The verticality of the axis of rotation in the second inner radial wall face 2200 of portion 221 and bearing with end cover room 22, it is often more important that, due to the
The second through-hole 2211 is provided on two fixed parts 221, bearing with end cover room 22 side wall ironing and to be formed simultaneously second solid
When determining portion 221, there is good material release area, in this way in the case where ensureing that 22 side wall of bearing with end cover room is not pulled, greatly
The length for reducing the second inner radial wall face 2200 of bearing with end cover room 22 and the transition region of the second fixed part 221 is less than 0.2 milli
Rice, the bearing to effectively increase bearing with end cover room 22 axially engage length, by the above measure, avoid bearing and machine
Loosening between shell or end cap generates noise, influences the phenomenon that motor runs well.
In the above structure, the casing bearing chamber 13 is formed by the cylinder bottom material ironing of casing, and casing axis
The wall thickness for holding room 13 is the 40%~50% of the wall thickness of cylinder bottom material.The bearing with end cover room 22 is the thinning drawing of material by end cap
It stretches, and the 40%~50% of the wall thickness for the material that the wall thickness of bearing with end cover room 22 is lid portion 21.
The seam allowance portion 16 is that the base material ironing by casing close to open end 11 forms, and the wall thickness in seam allowance portion 16
It is the 25%~40% of base material wall thickness.The mistake circularity in seam allowance portion 16 is less than the mistake circularity of the cylindrical portion internal face 1600 of casing
0.02 millimeter, it is less than 0.05 millimeter of Φ with the coaxiality error of cylindrical portion internal face 1600；
As shown in Figure 1, being provided at least two casing positioning for brushgear housing positioning in the open end of the casing 11
The axial depth of slot 111, the casing locating slot 111 is deeper than the axial depth in the seam allowance portion 16.
It is arranged with the fool proof of process in order to which direction during automated production is determined, as shown in Figure 1, all
Casing locating slot 111 in, width of the wherein at least two casing locating slot 111 in casing circumferential direction is unequal.
As shown in figure 3, the middle part of the casing extends at least two into casing for limiting the stator magnet on casing
Iron is in the positioning region that the week of casing moves up 17.
As shown in Fig. 2, there are two the settings of the positioning region 17, and it is wing to be formed in symmetrical butterfly in the circumferential direction of casing
Shape, length L of the positioning region 17 in the axial direction of casing are less than 15mm, and the positioning region 17 is in the extension extended into casing
Length h on direction is less than 10mm, and two intersections of positioning region 17 are formed by acute angle and are not more than 40 °.
As shown in figure 3, being provided with for the magnets of stator on casing in the circumferential wall at the cylinder bottom 12 in casing
The axially position portion 18 of axially position, accordingly axially position portion 18 is no less than two to each magnets of stator, each magnets of stator
Axially position portion 18 be for the ecto-entad punching press in the circumferential wall of casing or the obtained locating plate of punching, and it is each fixed
The axially position portion 18 of sub- magnet is completed in the same process step, to ensure the axially position portion of each of which magnets of stator
Relative size precision between 18 dimensional accuracies and the axially position portion 18 of different magnets of stator.
As shown in Fig. 2, the axial outside wall surface 120 at the cylinder bottom 12 of the casing is installment work face, the axis at the cylinder bottom 12
It is not more than 0.08mm, and the axial outside wall surface 120 at cylinder bottom 12 and formation seam allowance portion 16 to the flatness error of outside wall surface 120
The parallelism error in axial step face 160 is less than 0.1mm, is provided on the installment work face for being installed with driven-mechanism
Connecting hole 121, the connecting hole 121 is threaded hole, and there are two the threaded hole settings of the present embodiment, but its quantity is not limited to
In this, technology hole 122 is additionally provided on the installment work face, there are two the settings of technology hole 122 of the present embodiment,
But its quantity is without being limited thereto, connecting hole 121 is uniformly distributed for the rotary middle spindle in the first radial outer wall face of casing bearing chamber 13
It on the circumference in the center of circle, and is symmetrical arranged, and technology hole 122 is distributed on the rotating shaft of the cylindrical portion internal face of casing
For on the circumference in the center of circle, and it is symmetrical arranged.
The axial outer end face at cylinder bottom 22 is calculated by the material molding of punching press with deformation, and material is reserved on the cavity plate of mold
Flexible deformation compensation rate, the data of the compensation rate are obtained by experiment according to the physical characteristic of selected material, the present embodiment
In using species abundance in Baosteel in Shanghai electrolytic galvanized sheet (SECD-O), compensation rate is 3%~5%.
As shown in Figure 5,6, the end cap that at least two position for brushgear housing is provided on the ora terminalis in the lid portion 21 to determine
Position slot 211.The end cap locating slot 211 is distributed on using the axle center of end cap as on the circumference in the center of circle, the end cap of the present embodiment positions
There are two the settings of slot 211, and but not limited to this.
It is arranged with the fool proof of process in order to which direction during automated production is determined, as shown in Figure 5,6, in institute
In some end cap locating slots 211, width of the wherein at least two end cap locating slot 211 in the circumferential direction in lid portion 21 is unequal.
As shown in fig. 6, the lid axial direction internal face 2100 in the lid portion 21 is provided with is recessed certain depth axially outward
Groove 212.The groove 212 and bearing with end cover room 22 are arranged concentrically.The setting of groove 212 increases the rigidity of end cap, subtracts
Lack its flexible deformation, ensure that the verticality in lid portion 21 and the axis of rotation in the inner radial wall face 2200 of bearing with end cover room 22
It is required that.
Particular embodiments described above, pair present invention solves the technical problem that, technical solution and advantageous effect carry out
It is further described, it should be understood that the above is only a specific embodiment of the present invention, is not limited to this
Invention, all within the spirits and principles of the present invention, any modification, equivalent substitution, improvement and etc. done should be included in this hair
Within bright protection domain.
Claims (10)
1. a kind of automobile micromotor shell, which is characterized in that it includes：
One end of casing, the casing is open end (11), and the other end of the casing is formed with a bottom (12), the cylinder bottom
(12) the casing bearing chamber (13) for projecting axially outward and accommodating bearing is provided on, the casing is arranged in its open end (11)
There are the seam allowance portion (16) coaxial with the rotating shaft of casing, the axial outer end portion of the casing bearing chamber (13) to be provided with for fixing
The first fixed part (131) of the axial end portion of bearing is provided with first stretched out for motor shaft on first fixed part (131)
Through-hole (1311), cylinder bottom (12) cylinder lower shaft to the first radial outer wall face of outside wall surface (120) and casing bearing chamber (13)
(130) be provided with the first axially inwards recessed dent slot (14) in the transition region between, and the cylinder lower shaft of cylinder bottom (12) to
It is formed in transition region between internal face (1200) and the first inner radial wall face (1300) of casing bearing chamber (13) and first
Dent slot (14) it is corresponding and protruded to casing internal and axial effective length for extending casing bearing chamber (13) it is first convex
Muscle (15)；
End cap, the end cap have lid portion (21), and the lid portion (21) and seam allowance portion (16) cooperation of casing are assembled, described
The centre in lid portion (21) is provided with the bearing with end cover room (22) for projecting axially outward and accommodating bearing, the bearing with end cover
The axial outer end portion of room (22) is provided with the second fixed part (221) of the axial end portion for fixing another bearing, and described second
The second through-hole (2211) stretched out for motor shaft is provided on fixed part (221), the lid axial direction outside wall surface in lid portion (21)
(210) it is provided in the transition region between the second radial outer wall face (220) of bearing with end cover room (22) recessed axially inwards
Second dent slot (23), and second in the lid axial direction internal face (2100) of lid portion (21) and bearing with end cover room (22) is radial
Be formed in transition region between internal face (2200) it is corresponding with second dent slot (23) and to casing direction protrude and for prolonging
The second convex ribs (24) of the axial effective length of long bearing with end cover room (22)；
Wherein, transition region between the first inner radial wall face (1300) and the first fixed part (131) of casing bearing chamber (13)
Length is less than 0.2 millimeter；
The length of transition region between second inner radial wall face (2200) of bearing with end cover room (22) and the second fixed part (221) is small
In 0.2 millimeter.
2. automobile micromotor shell according to claim 1, it is characterised in that：It is arranged in the open end (11) of the casing
There are at least two casing locating slots (111) for brushgear housing positioning, described in the axial depth ratio of the casing locating slot (111)
The axial depth in seam allowance portion (16) is deep.
3. automobile micromotor shell according to claim 2, it is characterised in that：In all casing locating slots (111),
Width of the wherein at least two casing locating slot (111) in casing circumferential direction is unequal.
4. automobile micromotor shell according to claim 1, it is characterised in that：The middle part of the casing extends into casing
Go out at least two for limiting the magnets of stator on casing in the positioning region that the week of casing moves up (17).
5. automobile micromotor shell according to claim 4, it is characterised in that：There are two positioning region (17) settings,
And it is formed in symmetrical butterfly wing-like in the circumferential direction of casing, length L of the positioning region (17) in the axial direction of casing is small
It is less than 10mm, two positioning regions (17) in 15mm, length h of the positioning region (17) on the extending direction extended into casing
Intersection is formed by acute angle and is not more than 40 °.
6. automobile micromotor shell according to claim 1, it is characterised in that：In casing close to the circle of the cylinder bottom (12)
It is provided on peripheral wall for the axially position portion (18) to the magnets of stator axially position on casing, the axially position portion (18)
The locating plate obtained for the ecto-entad punching press in the circumferential wall of casing or punching.
7. automobile micromotor shell according to claim 1, it is characterised in that：The cylinder lower shaft at the cylinder bottom (12) of the casing
It is installment work face to outside wall surface (120), the connecting hole for being installed with driven-mechanism is provided on the installment work face
(121) and/or technology hole (122).
8. automobile micromotor shell according to claim 1, it is characterised in that：It is arranged on the ora terminalis of the lid portion (21)
There is at least two end cap locating slots (211) for brushgear housing positioning.
9. automobile micromotor shell according to claim 8, it is characterised in that：In all end cap locating slots (211),
Width of the wherein at least two end cap locating slot (211) in the circumferential direction of lid portion (21) is unequal.
10. automobile micromotor shell according to claim 1, it is characterised in that：The lid of the lid portion (21) is axial
Internal face (2100) is provided with the groove (212) for being recessed certain depth axially outward.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610969610.1A CN106374667B (en) | 2016-10-27 | 2016-10-27 | Automobile micromotor shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610969610.1A CN106374667B (en) | 2016-10-27 | 2016-10-27 | Automobile micromotor shell |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106374667A CN106374667A (en) | 2017-02-01 |
| CN106374667B true CN106374667B (en) | 2018-09-21 |
Family
ID=57893738
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610969610.1A Active CN106374667B (en) | 2016-10-27 | 2016-10-27 | Automobile micromotor shell |
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| CN (1) | CN106374667B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109256884A (en) * | 2017-10-13 | 2019-01-22 | 朱卫 | A kind of motor case produced with titanium |
| CN109274231B (en) | 2017-10-13 | 2021-03-30 | 江阴康瑞成型技术科技有限公司 | Machining process for producing motor shell by using titanium metal |
| CN108183572B (en) * | 2018-01-22 | 2024-02-06 | 珠海凯邦电机制造有限公司 | Assembling structure of shell and end cover and motor |
| CN111571119B (en) * | 2020-04-13 | 2021-09-21 | 浙江炜驰机械集团股份有限公司 | Manufacturing method of new energy automobile driving motor housing |
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| CN106374667A (en) | 2017-02-01 |
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