CN106230162A - Motor stator component and be applied to the motor of Automated condtrol - Google Patents
Motor stator component and be applied to the motor of Automated condtrol Download PDFInfo
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- CN106230162A CN106230162A CN201610846778.3A CN201610846778A CN106230162A CN 106230162 A CN106230162 A CN 106230162A CN 201610846778 A CN201610846778 A CN 201610846778A CN 106230162 A CN106230162 A CN 106230162A
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- 210000000078 claw Anatomy 0.000 claims description 105
- 239000000758 substrate Substances 0.000 claims description 18
- 238000003466 welding Methods 0.000 claims description 15
- 230000004927 fusion Effects 0.000 claims description 9
- 230000007246 mechanism Effects 0.000 claims description 6
- 230000004323 axial length Effects 0.000 claims description 5
- 230000001186 cumulative effect Effects 0.000 abstract 1
- 230000010349 pulsation Effects 0.000 abstract 1
- 230000000712 assembly Effects 0.000 description 3
- 238000000429 assembly Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 210000005069 ears Anatomy 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- 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
- H02K5/24—Casings; Enclosures; Supports specially adapted for suppression or reduction of noise or vibrations
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Insulation, Fastening Of Motor, Generator Windings (AREA)
- Manufacture Of Motors, Generators (AREA)
Abstract
The invention discloses a kind of motor stator component and be applied to the motor of Automated condtrol, motor stator component includes outlet box and two stator sub-components being assembled together, and described stator sub-component includes middle pole plate, coil block and casing；One end of described casing is formed at the bottom of shell, and the other end of described casing is to be provided with the seam portion that the gyroaxis with casing is coaxially disposed on opening, and the opening of casing, and the opening of described casing is additionally provided with breach；It is provided with on described middle pole plate and projects radially outward and the protuberance corresponding with breach, when described middle pole plate coordinates in seam portion, described protuberance is stuck on breach, and the radial outer end face of protuberance aligns with the radial outer end face of the opening of casing, the axial outer end face of middle pole plate is concordant with the axial outer end face of the opening of casing.The present invention can reduce cumulative errors, makes positioning datum keep consistent, substantially increases positioning precision, reduce torque pulsation, reduce step angle error.
Description
Technical Field
The invention relates to a motor stator component and a stepping motor applied to automatic control, and belongs to the technical field of motors.
Background
At present, a stator casing, a middle pole plate and a coil assembly of a stator assembly are formed in the existing BY series stepping motor, and the stator casing, the middle pole plate and the coil assembly are positioned and installed BY adopting a simpler stator notch part. The positioning mode is adopted for installation, the middle pole plate and the coil assembly are positioned firstly, then the coil assembly and the shell gap are positioned, and the accumulated error is relatively large. The assembly error between the circumferential pole claws in the shell is increased, and the inner diameter error of the overlapped pole claws is also increased; these errors result in large torque ripple of the motor during operation, large vibration and noise, poor output characteristics and consistency of the motor, and poor primary flow rate on the production line. Because the casing breach of location is the reverse stack lock of two casings that a pair mould made, has more increased the nonconformity of location benchmark, leads to well polar plate and coil pack to become flexible even, after vibration such as transportation, the relative position between well polar plate, coil pack and the casing has produced the change like this, leads to actual performance and the performance of leaving the factory to have the difference, seriously influences the actual result of use of motor, and this is the technical problem who waits to break through and solve.
Disclosure of Invention
The technical problem to be solved by the invention is to overcome the defects of the prior art and provide a motor stator assembly which can reduce the accumulated error, keep the positioning reference consistent, avoid the phenomenon that the relative positions of various parts in the motor stator assembly are changed and improve the performance of the motor.
In order to solve the technical problems, the technical scheme of the invention is as follows: a motor stator assembly comprises an outlet box and two stator subassemblies assembled together, wherein the stator subassemblies comprise a middle pole plate, a coil assembly and a machine shell; wherein,
one end of the shell forms a shell bottom, the other end of the shell is an opening end, a spigot part which is coaxial with a rotating shaft of the shell is arranged on the opening end of the shell, and a notch is also arranged at the opening end of the shell;
the middle pole plate is provided with a protruding portion protruding outwards in the radial direction and corresponding to the notch, when the middle pole plate is matched in the stop opening portion, the protruding portion is clamped on the notch, the outer end face of the protruding portion in the radial direction is aligned with the outer end face of the opening end of the machine shell in the radial direction, and the outer end face of the middle pole plate in the axial direction is aligned with the outer end face of the opening end of the machine shell in the axial direction.
Further, in order to achieve good positioning of the centering pole plate, the depth of the notch in the axial direction of the machine shell is the same as the depth of the rabbet part in the axial direction of the machine shell.
The structure is characterized in that a shell claw group is arranged on the shell bottom, a middle pole plate claw group is arranged on the middle pole plate, when the middle pole plate is matched in the spigot part, shell claws in the shell claw group and middle pole plate claws in the middle pole plate claw group both axially and inwards extend and are oppositely inserted at intervals, so that claw support parts are formed, and the coil assembly is supported on the corresponding claw support parts.
Further, in the formed claw support part, the angles theta between the adjacent machine shell claws and the middle pole plate claws, which are spaced in the circumferential direction of the machine shell, are equal, and theta is 360 DEG/4P; and P is the claw pole number of the machine shell claw group on each machine shell or the claw pole number of the middle pole plate claw group on each middle pole plate.
Further in order to ensure good assembly and good rotation of the rotor arranged in the machine shell pole claw group, a plurality of machine shell pole claws of the machine shell pole claw group are arranged on the same circumference, and the coaxiality error between the rotation center of the machine shell pole claw group and the rotation center of the stop opening part is less than phi 0.03 mm.
There is further provided a case of a particular construction, the case comprising a housing having a bottom wall and a bottom closure secured to the bottom wall.
The bottom sealing cover is connected with the shell in a welding mode, at least two welding fusion welding protrusions protruding outwards in the axial direction are arranged on the bottom wall of the shell, and the bottom sealing cover is welded on the welding fusion welding protrusions.
Further in order to better position the centering pole plate, two notches of the machine shell are symmetrically arranged.
In order to assemble the outlet box and position the outlet box, one of the notches is provided with an outlet box positioning notch for positioning the outlet box, and the depth of the outlet box positioning notch in the axial direction of the shell is deeper than the depth of the notch in the axial direction of the shell.
Further, the two side edges of the machine shell polar claw and/or the middle polar plate polar claw in the circumferential direction of the machine shell are symmetrically arranged, and an included angle formed by the two side edges is 22-25 degrees.
Further, the axial length of the machine shell pole claw is 80% -85% of the axial length of the machine shell.
Further, the middle polar plate comprises a base plate and a middle polar plate polar claw group arranged on the axial inner end face of the base plate, wherein the middle polar plate polar claw on one middle polar plate is an upper middle polar plate polar claw, the middle polar plate polar claw on the other middle polar plate is a lower middle polar plate polar claw, when the two middle polar plates are superposed and positioned together through the axial outer end faces of the base plate, the angles theta between the adjacent upper middle polar plate polar claws and the adjacent lower middle polar plate polar claws at intervals in the circumferential direction of the machine shell are equal, and theta is 360 DEG/4P; wherein, P is the claw pole number of the claw pole group of the middle pole plate on each middle pole plate.
In order to realize the positioning between the two substrates, ensure that the angles of the adjacent upper and lower middle pole plate claws at intervals in the circumferential direction of the shell are the same and facilitate the production of the two middle pole plates, the axial outer end face of one substrate is provided with an overlapping positioning structure, and the axial outer end face of the other substrate is provided with a matching overlapping positioning structure connected with the overlapping positioning structure; and one of the two middle pole plates which are overlapped together is turned over by 180 degrees so that the axial outer end face of one of the base plates faces the axial inner end face of the other base plate, and the overlapping positioning structure and the matching overlapping positioning structure are the same.
The utility model provides a specific coincide positioning mechanism's structure, coincide positioning mechanism have two coincide locating holes and two coincide location are protruding, cooperation positioning structure has two cooperation locating holes and two cooperation location are protruding, and when two well polar plates passed through the outer terminal surface coincide of the axial of base plate and fix a position together, the corresponding coincide locating hole of cooperation location protruding insertion, the corresponding cooperation locating hole of coincide location protruding insertion.
Further, the axial outer end face of the substrate is a pockmark finishing plane.
Further in order to realize good assembly and good rotation of the rotor installed in the middle pole plate, the rotation center of the part, matched with the spigot part, of the middle pole plate is coaxially arranged with the rotation center of the middle pole plate claw group, and the coaxiality error is smaller than phi 0.05 mm.
Furthermore, a positioning groove is formed in the middle pole plate, a terminal part is arranged on the coil assembly, and the terminal part is embedded into the corresponding positioning groove.
Further, in order to facilitate connection between the coil assembly and the wire outlet box, an accommodating space for accommodating the circuit board is arranged in the wire outlet box, at least one part of the terminal part extends into the wire outlet box, and the extending terminal on the terminal part is welded with the circuit board.
The outlet box comprises a box body and a box cover, and the box cover is clamped on the box body.
Further in order to conveniently connect the box cover and the box body, the box cover is provided with elastic side lugs, clamping grooves are formed in the elastic side lugs, clamping protrusions corresponding to the clamping grooves are arranged on the box body, and when the box cover is clamped on the box body, the clamping protrusions are clamped into the corresponding clamping grooves.
Furthermore, a power line passing hole is formed in the box cover.
The invention also provides a stepping motor applied to automatic control, which comprises the motor stator component.
After the technical scheme is adopted, the invention has the following beneficial effects:
1. the invention realizes the installation and positioning of the centering pole plate on the shell by the matching of the spigot and at least one notch, so that the radial outer end surface of the convex part on the middle pole plate is aligned with the radial outer end surface of the open end of the shell, and the axial outer end surface of the middle pole plate is aligned with the axial outer end surface of the open end of the shell, thereby reducing the accumulated error, keeping the positioning reference consistent, avoiding the phenomenon that the relative position between each component in the stator component of the motor is changed, and improving the performance of the motor. The BY series stepping motor can be widely applied to the fields of special office and medical automatic equipment driving occasions with higher requirements, automatic control of automobiles and the like.
2. The opening end of the casing is provided with the two notches, and correspondingly, the middle pole plate is provided with the two bulges matched with the notches, so that the middle pole plate corresponding to the casing is well positioned.
3. According to the invention, through the arrangement of the notches on the machine shell, on one hand, the positioning of the centering pole plate is realized, and on the other hand, the equal interval angles theta between the adjacent machine shell pole claws and the middle pole plate pole claws in the circumferential direction of the machine shell are ensured.
4. At least two welding fusion welding protrusions which axially protrude outwards are arranged on the bottom wall of the shell, so that the bottom sealing cover can be conveniently welded on the bottom wall of the shell.
5. According to the invention, the overlapping positioning mechanism on one substrate and the matching overlapping positioning mechanism on the other substrate are arranged in a matching way, so that on one hand, two middle pole plates can be positioned and assembled, and on the other hand, when the two middle pole plates are overlapped and positioned together, the angles theta between the adjacent upper middle pole plate claws and the adjacent lower middle pole plate claws spaced in the circumferential direction of the shell are equal.
Drawings
FIG. 1 is a perspective view of a motor stator assembly of the present invention;
FIG. 2 is an exploded view of the assembly of two coil assemblies and outlet boxes of the present invention;
FIG. 3 is a perspective view of two coil assemblies and two middle plates of the present invention;
FIG. 4 is a perspective view of one of the housings of the present invention;
FIG. 5 is a perspective view of another housing of the present invention;
FIG. 6 is a cross-sectional view of one of the housings of the present invention;
FIG. 7 is a perspective view of a middle plate of the present invention;
FIG. 8 is an exploded view of the assembly of two coil assemblies and two middle plates of the present invention;
fig. 9 is an exploded view of the assembly of the motor stator assembly of the present invention.
Detailed Description
In order that the present invention may be more readily and clearly understood, a more particular description of the invention briefly described above will be rendered by reference to specific embodiments that are illustrated in the appended drawings.
As shown in fig. 1 to 9, a stator assembly of an electric motor comprises an outlet box 1 and two stator subassemblies assembled together, wherein the stator subassembly comprises a middle pole plate 2, a coil assembly 3 and a machine shell 4; wherein,
one end of the machine shell 4 forms a shell bottom, the other end of the machine shell 4 is an opening end, a spigot part 41 which is coaxial with a rotating shaft of the machine shell 4 is arranged on the opening end of the machine shell 4, and a gap 42 is also arranged at the opening end of the machine shell 4; among them, in two chassis 4, one of them chassis 4 is fitted with the fixed arm 400, is used for connecting with other one;
the middle pole plate 2 is provided with a convex part 21 which protrudes outwards in the radial direction and corresponds to the notch 42, when the middle pole plate 2 is matched in the rabbet part 41, the convex part 21 is clamped on the notch 42, the outer end face in the radial direction of the convex part 21 is aligned with the outer end face in the radial direction of the opening end of the machine shell 4, and the outer end face in the axial direction of the middle pole plate 2 is aligned with the outer end face in the axial direction of the opening end of the machine shell 4; the radially outer end face of the projecting portion 21 in this embodiment is the projecting portion radially outer end face 211, the radially outer end face of the opening end of the casing 4 is the casing radially outer end face 411, and the casing radially outer end face 411 is a circular shape, and the projecting portion radially outer end face 211 is a part of the circular shape, so that the casing radially outer end face 411 and the projecting portion radially outer end face 211 are aligned and then in balanced transition; the axial outer end face of the middle pole plate 2 is the axial outer end face 212 of the middle pole plate in fig. 4, the axial outer end face of the opening end of the casing 4 is the axial outer end face 412 of the casing in fig. 4, and the axial outer end face 212 of the middle pole plate and the axial outer end face 412 of the casing are in the same plane.
Specifically, in order to achieve good positioning of the pole plate 2 in each housing 4, the depth of the notch 42 in the axial direction of the housing 4 is the same as the depth of the notch portion 41 in the axial direction of the housing 4.
A machine shell polar claw group is arranged on the shell bottom, a middle polar plate polar claw group is arranged on the middle polar plate 2, when the middle polar plate 2 is matched in the spigot part 41, a machine shell polar claw 43 in the machine shell polar claw group and a middle polar plate polar claw 22 in the middle polar plate polar claw group both axially and inwards extend and are oppositely inserted together in a spaced manner, so that polar claw support parts are formed, and the coil assembly 3 is supported on the corresponding polar claw support parts; specifically, the casing 4, the corresponding middle pole plate 2, and the claw support portion between the casing 4 and the middle pole plate 2 enclose a coil assembly accommodating cavity, and the coil assembly 3 is accommodated in the coil assembly accommodating cavity.
In the formed claw support portion, the angles θ between the adjacent housing claws 43 and the middle pole plate claws 22 spaced in the circumferential direction of the housing 4 are equal, and θ is 360 °/4P; wherein, P is the claw pole number of the machine shell claw group on each machine shell 4 or the claw pole number of the middle pole plate claw group on each middle pole plate 2; the plurality of machine shell pole claws 43 of the machine shell pole claw group are arranged on the same circumference, and the coaxiality error between the rotation center of the machine shell pole claw group and the rotation center of the spigot part 41 is less than phi 0.03 mm.
As shown in fig. 4 and 5, the housing 4 includes a casing 401 and a bottom cover 402, the casing 401 has a bottom wall, and the bottom cover 402 is fixed on the bottom wall.
As shown in fig. 4 and 5, in order to achieve good welding between the housing 401 and the bottom cover 402 and prevent deformation thereof, at least two welding fusion bosses 4011 protruding axially outward are provided on the bottom wall of the housing 401, and the bottom cover 402 is welded on the welding fusion bosses 4011; the welding fusion protrusions 4011 in this embodiment are four and are uniformly distributed around the center of the rotation axis of the casing 4, but the number of the welding fusion protrusions 4011 is not limited to four.
In order to achieve a good positioning of the centering plate 2, as shown in fig. 4 and 5, two notches 42 are provided in the housing 4, and are symmetrically arranged.
As shown in fig. 4 and 5, an outlet box positioning notch 421 for positioning the outlet box 1 is provided in one of the notches 42, and the depth of the outlet box positioning notch 421 in the axial direction of the housing 4 is greater than the depth of the notch 42 in the axial direction of the housing 4.
The machine shell polar claw 43 and/or the middle polar plate polar claw 22 are symmetrically arranged on two sides of the machine shell 4 in the circumferential direction, and the included angle beta formed by the two sides is 22-25 degrees, wherein 23.66 degrees is preferred. The machine shell polar claw 43 is arranged in a roughly isosceles trapezoid shape, two side edges are waist edges of the machine shell polar claw, and an included angle beta formed by the two side edges is a trapezoid waist included angle; in addition, the axial length of the casing pole claw 43 is limited, and the length A of the casing pole claw 43 in the axial direction of the casing 4 is 80-85% of the axial length B of the casing 4, preferably 82%.
As shown in fig. 8, the middle pole plate 2 includes a base plate 201 and a middle pole plate claw group arranged at an axial inner end face of the base plate 201, wherein the middle pole plate claw 22 on one middle pole plate 2 is an upper middle pole plate claw, the middle pole plate claw 22 on the other middle pole plate 2 is a lower middle pole plate claw, when two middle pole plates 2 are positioned together by overlapping the axial outer end faces of the base plate 201, angles θ between the adjacent upper middle pole plate claws and the adjacent lower middle pole plate claws spaced in the circumferential direction of the housing 4 are equal, and θ is 360 °/4P; wherein, P is the claw pole number of the middle pole plate claw group on each middle pole plate 2; as shown in fig. 8, an axially outer end surface of one of the substrates 201 is provided with an overlapping positioning structure, and an axially outer end surface of the other substrate 201 is provided with a matching overlapping positioning structure connected with the overlapping positioning structure; wherein, one of the two middle pole plates 2 which are overlapped together is turned over by 180 degrees so that the axial outer end face of one of the substrates 201 faces the axial inner end face of the other substrate 201, the overlapping and positioning structure is the same as the matching and overlapping and positioning structure, and the purpose of this is to facilitate the manufacturing and the overlapping and positioning between the two middle pole plates 2.
As shown in fig. 8, the stacking positioning mechanism has two stacking positioning holes 2011 and two stacking positioning protrusions 2012, the fitting positioning structure has two fitting positioning holes 2013 and two fitting positioning protrusions 2014, when two middle plates 2 are stacked and positioned together through the axial outer end faces of the substrate 201, the fitting positioning protrusions 2014 are inserted into the corresponding stacking positioning holes 2011, and the stacking positioning protrusions 2012 are inserted into the corresponding fitting positioning holes 2013.
Specifically, the axial outer end surface of the substrate 201 is a pockmark leveling surface, and it is ensured that the flatness removing error is not greater than 0.05 mm.
Specifically, the rotation center of the part, matched with the spigot part 41, of the middle pole plate 2 and the rotation center of the middle pole plate claw group are coaxially arranged, and the coaxiality error is smaller than phi 0.05 mm.
As shown in fig. 7, the middle pole plate 2 is provided with a positioning groove 23, the coil assembly 3 is provided with a terminal portion 31, the terminal portion 31 is embedded in the corresponding positioning groove 23, and the positioning groove 23 is located on the other protruding portion 21.
As shown in fig. 2, an accommodating space for accommodating the circuit board 11 is provided in the outlet box 1, at least a portion of the terminal portion 31 extends into the outlet box 1, and the extended terminal on the terminal portion 31 is soldered to the circuit board 11.
As shown in fig. 2, the outlet box 1 includes a box body 12 and a box cover 13, and the box cover 13 is clamped on the box body 12.
As shown in fig. 2, the box cover 13 is provided with elastic side lugs 131, the elastic side lugs 131 are provided with clamping grooves 1311, the box body 12 is provided with clamping protrusions 121 corresponding to the clamping grooves 1311, and when the box cover 13 is clamped on the box body 12, the clamping protrusions 121 are clamped in the corresponding clamping grooves 1311; specifically, in the present embodiment, two elastic side ears 131 are respectively disposed on each side of the box cover 13, and two corresponding engaging protrusions 121 are also disposed, but the specific number of the elastic side ears 131 and the engaging protrusions 121 is not limited thereto.
As shown in fig. 2, a power line through hole is formed in the box cover 13 so as to pass through a power line soldered to the circuit board 11.
The motor stator assembly can be used on a stepping motor applied to automatic control.
The above embodiments are described in further detail to solve the technical problems, technical solutions and advantages of the present invention, and it should be understood that the above embodiments are only examples of the present invention and are not intended to limit the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (22)
1. A motor stator component is characterized by comprising an outlet box (1) and two stator subassemblies assembled together, wherein the stator subassemblies comprise a middle pole plate (2), a coil assembly (3) and a machine shell (4); wherein,
one end of the machine shell (4) forms a shell bottom, the other end of the machine shell (4) is an opening end, a mouth stop part (41) which is coaxial with a rotating shaft of the machine shell (4) is arranged on the opening end of the machine shell (4), and a notch (42) is also arranged at the opening end of the machine shell (4);
the middle pole plate (2) is provided with a protruding portion (21) protruding outwards in the radial direction and corresponding to the notch (42), when the middle pole plate (2) is matched in the stop opening portion (41), the protruding portion (21) is clamped on the notch (42), the outer end face of the protruding portion (21) in the radial direction is aligned with the outer end face of the opening end of the machine shell (4) in the radial direction, and the outer end face of the middle pole plate (2) in the axial direction is aligned with the outer end face of the opening end of the machine shell (4) in the axial direction.
2. The electric machine stator assembly of claim 1, wherein: the depth of the notch (42) in the axial direction of the casing (4) is the same as the depth of the spigot (41) in the axial direction of the casing (4).
3. The electric machine stator assembly of claim 1, wherein: the motor shell comprises a shell body, a middle pole plate and a coil assembly, wherein the shell body is provided with a shell claw group, the middle pole plate (2) is provided with a middle pole plate claw group, when the middle pole plate (2) is matched in a stop opening part (41), the shell claw (43) in the shell body claw group and the middle pole plate claw (22) in the middle pole plate claw group both axially extend inwards and are oppositely inserted together at intervals, so that a claw support part is formed, and the coil assembly (3) is supported on the corresponding claw support part.
4. The electric machine stator assembly of claim 3, wherein: in the formed pole claw supporting part, angles theta between adjacent machine shell pole claws (43) and middle pole plate pole claws (22) in the circumferential direction of the machine shell (4) are equal, and the theta is 360 DEG/4P; wherein P is the claw pole number of the machine shell claw group on each machine shell (4) or the claw pole number of the middle pole plate claw group on each middle pole plate (2).
5. The electric machine stator assembly of claim 3, wherein: a plurality of machine shell pole claws (43) of the machine shell pole claw group are arranged on the same circumference, and the coaxiality error between the rotation center of the machine shell pole claw group and the rotation center of the spigot part (41) is less than phi 0.03 mm.
6. The electric machine stator assembly of claim 1, wherein: the casing (4) comprises a casing (401) and a bottom cover (402), wherein the casing (401) is provided with a bottom wall, and the bottom cover (402) is fixed on the bottom wall.
7. The electric machine stator assembly of claim 6, wherein: be provided with two at least outside convex welding butt fusion in axial on the diapire of casing (401) protruding (4011), bottom seal lid (402) welding is on welding butt fusion is protruding (4011).
8. The electric machine stator assembly of claim 1, wherein: two notches (42) of the machine shell (4) are arranged and are symmetrically arranged.
9. The electric machine stator assembly of claim 8, wherein: an outlet box positioning notch (421) used for positioning the outlet box (1) is arranged on one notch (42), and the depth of the outlet box positioning notch (421) in the axial direction of the shell (4) is deeper than the depth of the notch (42) in the axial direction of the shell (4).
10. The electric machine stator assembly of claim 3, wherein: the machine shell polar claw (43) and/or the middle polar plate polar claw (22) are symmetrically arranged on two sides of the machine shell (4) in the circumferential direction, and an included angle beta formed by the two sides is 22-25 degrees.
11. The electric machine stator assembly of claim 3, wherein: the length of the machine shell pole claw (43) in the axial direction of the machine shell (4) is 80-85% of the axial length of the machine shell (4).
12. The electric machine stator assembly of claim 1, wherein: the middle polar plate (2) comprises a substrate (201) and a middle polar plate polar claw group arranged on the axial inner end face of the substrate (201), wherein a middle polar plate polar claw (22) on one middle polar plate (2) is an upper middle polar plate polar claw, a middle polar plate polar claw (22) on the other middle polar plate (2) is a lower middle polar plate polar claw, when the two middle polar plates (2) are positioned together in an overlapped mode through the axial outer end face of the substrate (201), the angles theta between the adjacent upper middle polar plate polar claws and the adjacent lower middle polar plate polar claws at intervals in the circumferential direction of the machine shell (4) are equal, and theta is 360 DEG/4P; wherein, P is the claw pole number of the middle pole plate claw group on each middle pole plate (2).
13. The electric machine stator assembly of claim 12, wherein: an axial outer end face of one substrate (201) is provided with an overlapping positioning structure, and an axial outer end face of the other substrate (201) is provided with a matching overlapping positioning structure connected with the overlapping positioning structure; wherein, one middle polar plate (2) in two middle polar plates (2) which are overlapped together is turned over by 180 degrees so that the axial outer end surface of one base plate (201) faces the axial inner end surface of the other base plate (201), and the overlapping positioning structure is the same as the matching overlapping positioning structure.
14. The electric machine stator assembly of claim 13, wherein: coincide positioning mechanism has two coincide locating hole (2011) and two coincide protruding (2012) of location, cooperation location structure has two cooperation locating hole (2013) and two cooperation location protruding (2014), and when polar plate (2) were located together through the outer terminal surface coincide of the axial of base plate (201) in two, corresponding coincide locating hole (2011) is inserted to cooperation location protruding (2014), coincide location protruding (2012) insert corresponding cooperation locating hole (2013).
15. The electric machine stator assembly of claim 12, wherein: the axial outer end face of the substrate (201) is a pockmark finishing plane.
16. The electric machine stator assembly of claim 3, wherein: the rotation center of the part, matched with the spigot part (41), of the middle pole plate (2) is coaxial with the rotation center of the middle pole plate claw group, and the coaxiality error is less than phi 0.05 mm.
17. The electric machine stator assembly of claim 3, wherein: the middle pole plate (2) is provided with a positioning groove (23), the coil assembly (3) is provided with a terminal part (31), and the terminal part (31) is embedded into the corresponding positioning groove (23).
18. The electric machine stator assembly of claim 17, wherein: an accommodating space for accommodating the circuit board (11) is arranged in the outlet box (1), at least one part of the terminal part (31) extends into the outlet box (1), and the extending terminal on the terminal part (31) is welded with the circuit board (11).
19. The electric machine stator assembly of claim 1, wherein: the outlet box (1) comprises a box body (12) and a box cover (13), and the box cover (13) is clamped on the box body (12).
20. The electric machine stator assembly of claim 19, wherein: the box cover (13) is provided with elastic side lugs (131), the elastic side lugs (131) are provided with clamping grooves (1311), the box body (12) is provided with clamping protrusions (121) corresponding to the clamping grooves (1311), and when the box cover (13) is clamped on the box body (12), the clamping protrusions (121) are clamped into the corresponding clamping grooves (1311).
21. The electric machine stator assembly of claim 20, wherein: the box cover (13) is provided with a power line passing hole.
22. The utility model provides a be applied to automated control's step motor which characterized in that: comprising an electric machine stator assembly according to any of claims 1-21.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610846778.3A CN106230162B (en) | 2016-09-23 | 2016-09-23 | Motor stator component and stepper motor applied to automation control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610846778.3A CN106230162B (en) | 2016-09-23 | 2016-09-23 | Motor stator component and stepper motor applied to automation control |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106230162A true CN106230162A (en) | 2016-12-14 |
| CN106230162B CN106230162B (en) | 2019-08-06 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610846778.3A Active CN106230162B (en) | 2016-09-23 | 2016-09-23 | Motor stator component and stepper motor applied to automation control |
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| CN (1) | CN106230162B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109962567A (en) * | 2017-12-22 | 2019-07-02 | 日本电产三协株式会社 | Motor |
| CN111289766A (en) * | 2020-03-11 | 2020-06-16 | 浙江联宜电机有限公司 | High-precision motor velometer for mask production equipment |
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| CN2309664Y (en) * | 1997-09-16 | 1999-03-03 | 名钟机电工业股份有限公司 | New structure of step motor |
| CN201717704U (en) * | 2010-01-13 | 2011-01-19 | 常州仙龙雷利电机有限公司 | Housing of claw pole type permanent-magnet machine |
| US20150064973A1 (en) * | 2013-08-30 | 2015-03-05 | Hong Fu Jin Precision Industry (Shenzhen) Co., Ltd. | Connector assembly |
| CN104868643A (en) * | 2015-06-08 | 2015-08-26 | 安徽美芝制冷设备有限公司 | Motor, plug assembly thereof, and compressor with motor |
| CN206060408U (en) * | 2016-09-23 | 2017-03-29 | 常州市诚利电子有限公司 | Motor stator component and it is applied to the motor of Automated condtrol |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2309664Y (en) * | 1997-09-16 | 1999-03-03 | 名钟机电工业股份有限公司 | New structure of step motor |
| CN201717704U (en) * | 2010-01-13 | 2011-01-19 | 常州仙龙雷利电机有限公司 | Housing of claw pole type permanent-magnet machine |
| US20150064973A1 (en) * | 2013-08-30 | 2015-03-05 | Hong Fu Jin Precision Industry (Shenzhen) Co., Ltd. | Connector assembly |
| CN104868643A (en) * | 2015-06-08 | 2015-08-26 | 安徽美芝制冷设备有限公司 | Motor, plug assembly thereof, and compressor with motor |
| CN206060408U (en) * | 2016-09-23 | 2017-03-29 | 常州市诚利电子有限公司 | Motor stator component and it is applied to the motor of Automated condtrol |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109962567A (en) * | 2017-12-22 | 2019-07-02 | 日本电产三协株式会社 | Motor |
| CN111289766A (en) * | 2020-03-11 | 2020-06-16 | 浙江联宜电机有限公司 | High-precision motor velometer for mask production equipment |
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| Publication number | Publication date |
|---|---|
| CN106230162B (en) | 2019-08-06 |
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Effective date of registration: 20200217 Address after: Wujin District 213000 of Jiangsu Province, Changzhou City Yaoguan Tong Road No. 19 Patentee after: JIANGSU LEILI MOTOR CO., LTD. Address before: 213031 Jiangsu Province, Changzhou city of Electronic Science and Technology Industrial Park Road 18 north, four Patentee before: Changzhou Chengli Electronic Co., Ltd. |
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