CN212063698U - Electric machine - Google Patents

Electric machine Download PDF

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Publication number
CN212063698U
CN212063698U CN202020883970.1U CN202020883970U CN212063698U CN 212063698 U CN212063698 U CN 212063698U CN 202020883970 U CN202020883970 U CN 202020883970U CN 212063698 U CN212063698 U CN 212063698U
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China
Prior art keywords
shell
stator assembly
main body
motor
end surface
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Active
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CN202020883970.1U
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Chinese (zh)
Inventor
蒋军
张刘研
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Shenzhen Casic Motor System Co ltd
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Shenzhen Casic Motor System Co ltd
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Priority to CN202020883970.1U priority Critical patent/CN212063698U/en
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Abstract

The utility model discloses a motor, motor has the axial direction who extends along its pivot extending direction, the motor includes: the shell is internally provided with a bottom wall and a top wall which are oppositely arranged along the axial direction, and an accommodating cavity is formed inside the shell; the stator assembly is detachably arranged in the accommodating cavity, and one end surface of the stator assembly is abutted against the bottom wall of the shell; and the axial limiting part is arranged in the accommodating cavity, and the axial limiting part is clamped between the end face of the stator assembly, which deviates from the bottom wall, and the top wall of the shell, so that the stator assembly is limited and fixed in the shell along the axial direction of the stator assembly. The utility model discloses technical scheme aims at making things convenient for the maintenance of motor.

Description

Electric machine
Technical Field
The utility model relates to a power device technical field, in particular to motor.
Background
Generally, an electric machine includes a housing, and a stator assembly, a rotor assembly, and the like disposed in the housing, wherein the stator assembly is fixedly connected to the housing. In the related art, the outer wall surface of the shell is fixed by gluing the outer surface of the stator assembly, and although the stator assembly can be fixed in the radial direction and the axial direction in the mode, once the stator assembly and the shell are fixed, the shell and the stator assembly of the motor cannot be detached, so that the maintenance of the components in the motor is inconvenient.
The above is only for the purpose of assisting understanding of the technical solutions of the present application, and does not represent an admission that the above is prior art.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims at providing a motor, aims at providing one kind and makes things convenient for the maintenance of motor.
In order to achieve the above object, the utility model provides an electric machine, electric machine has the axial direction who extends along its pivot extending direction, electric machine includes:
the shell is internally provided with a bottom wall and a top wall which are oppositely arranged along the axial direction, and an accommodating cavity is formed inside the shell;
the stator assembly is detachably arranged in the accommodating cavity, and one end surface of the stator assembly is abutted against the bottom wall of the shell; and
the axial limiting part is arranged in the containing cavity and clamped between the end face of the stator assembly, which deviates from the bottom wall, and the top wall of the shell, so that the stator assembly is limited and fixed in the shell along the axial direction of the stator assembly.
In an embodiment of the present invention, the axial position-limiting member includes:
the main body part is arranged in an annular shape and provided with an upper end surface and a lower end surface which are arranged oppositely, and the lower end surface of the main body part is abutted against the end surface of the stator assembly; and
the upper end face of the main body part is convexly provided with an abutting part, the abutting part surrounds the inner ring side of the main body part, and the abutting part abuts against the top wall.
The utility model discloses an in an embodiment, the main part has relative inner ring lateral wall and the outer loop lateral wall that sets up, the up end with lower terminal surface connect in inner ring lateral wall and outer loop lateral wall form in order to enclose the main part, a plurality of breachs have been seted up to the up end of main part, the breach intercommunication the inner ring lateral wall and the outer loop lateral wall of main part, and run through butt portion.
In an embodiment of the present invention, the abutting portion is at least partially exposed at the inner ring opening enclosed by the inner ring side wall, and the abutting portion and the inner ring side wall enclose the abdicating slot for installing the circuit board.
In an embodiment of the present invention, the upper end surface of the main body portion is further provided with a plurality of reinforcing blocks, a plurality of the reinforcing blocks are arranged at intervals, and the reinforcing blocks are located outside the abutting portion.
The present invention provides an embodiment, the axial position-limiting member further includes a wire passing portion, the wire passing portion is disposed on the upper end surface of the main body portion, and the wire passing portion has a wire passing hole.
In an embodiment of the present invention, the axial position-limiting member is made of plastic.
In an embodiment of the present invention, the housing includes:
the device comprises a shell, a first fixing piece and a second fixing piece, wherein one end of the shell is provided with an opening; and
the end cover is detachably connected with the shell, covers the opening and forms the accommodating cavity by enclosing with the shell, and is provided with a rotating shaft hole;
the inner surface of the end cover forms the top wall of the accommodating cavity, and the bottom wall of the shell forms the bottom wall of the accommodating cavity.
In an embodiment of the present invention, the motor has a radial direction perpendicular to the axial direction, the inner side wall of the casing is provided with one of a limiting groove and a limiting post, and the stator assembly is provided with the other of the limiting groove and the limiting post;
the limiting column is inserted into the limiting groove to limit the stator assembly to rotate relative to the shell.
In an embodiment of the present invention, the end cover is provided with a positioning block, the end portion of the casing, which is provided with the opening, is provided with a positioning groove, and the positioning block is inserted into the positioning groove;
and/or, the casing is equipped with the open-ended tip is equipped with the step portion, the end cover install in step portion, the surface of end cover with the terminal surface parallel and level of casing.
The utility model discloses among the technical scheme, through installing stator module detachably in the chamber that holds in the casing for stator module's one side and the diapire butt of casing, axial locating part clamp locate stator module deviate from the terminal surface of casing diapire with between the roof of casing, so, stator module is ascending both ends in the axial all obtain spacingly, can avoid stator module to take place to remove in the axial, in order to realize the fixed to stator module. Through can dismantle stator module be fixed in the inside intracavity that holds of casing, when the motor breaks down to conveniently separate stator module and other parts and casing, the maintenance of being convenient for has improved the convenience that the motor was maintained.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an embodiment of the motor of the present invention;
FIG. 2 is an exploded view of the motor of FIG. 1;
FIG. 3 is a top view of the motor of FIG. 1;
FIG. 4 is a sectional view taken along line A-A of FIG. 3;
FIG. 5 is an enlarged view of portion A of FIG. 4;
FIG. 6 is a sectional view taken along line B-B of FIG. 4;
fig. 7 is a schematic structural view of an axial position limiting member in the motor of the present invention;
fig. 8 is a schematic structural view of another view angle of the axial limiting member in fig. 7.
The reference numbers illustrate:
reference numerals Name (R) Reference numerals Name (R)
100 Electric machine 30 Rotor assembly
10 Shell body 40 Rotating shaft
11 Casing (CN) 50 Circuit board
111 Accommodating tank 60 Axial stop
113 Limiting column 61 Main body part
115 Step part 611 Gap
117 Locating slot 63 Abutting part
13 End cap 65 Reinforcing block
131 Locating block 67 Wire passing part
133 Let a mouthful 671 Wire through hole
135 Rotating shaft hole 69 Abdicating groove
20 Stator assembly 70 Bearing assembly
21 Limiting groove
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
In the present application, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., "fixed" may be fixedly connected or detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In addition, descriptions in the present application as to "first", "second", and the like are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout is to include three juxtapositions, exemplified by "A and/or B," including either the A or B arrangement, or both A and B satisfied arrangement. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
The utility model provides a motor 100.
Referring to fig. 1 to 6, in an embodiment of the present invention, an electric machine 100, the electric machine 100 having an axial direction extending along a rotation axis extending direction thereof, includes:
a housing 10, wherein a bottom wall (not labeled) and a top wall (not labeled) are arranged in the housing 10 in an opposite manner along the axial direction, and an accommodating cavity (not labeled) is formed inside the housing 10;
the stator assembly 20 is detachably arranged in the accommodating cavity, and one end surface of the stator assembly 20 is abutted against the bottom wall of the shell 10; and
the axial limiting member 60 is disposed in the accommodating cavity, and the axial limiting member 60 is clamped between an end surface of the stator assembly 20 away from the bottom wall and a top wall of the casing 10, so as to limit and fix the stator assembly 20 in the casing 10 along the axial direction thereof.
The utility model relates to an among the technical scheme of implementation, through can dismantle stator module 20 and be fixed in the inside chamber that holds of casing 10 for stator module 20's one side and casing 10's diapire butt, axial locating part 60 clamp is located between stator module 20 deviates from the terminal surface of casing 10 diapire and the roof of casing 10, so, make stator module 20 axial both ends all obtain spacingly, can avoid stator module 20 to take place to remove in the axial, with the realization to stator module 20 spacing fixedly on the axial. When the motor 100 fails, the stator assembly 20 and other components can be separated from the housing 10, so that maintenance is facilitated, and the convenience in maintaining the motor 100 is improved.
It should be noted that the motor 100 according to an embodiment of the present invention may be a brushless motor or a brush motor, and herein, the type of the motor 100 is not limited. The axial limiting member 60 is made of plastic and is formed by injection molding. Compared with rubber products, the axial limiting piece 60 has small elastic deformation amount under the condition of being subjected to extrusion force, and when the same extrusion force is borne, the thickness required by the plastic axial limiting piece 60 is small, so that the space occupied by the accommodating cavity in the shell 10 can be reduced. Since the axial limiting member 60 made of plastic material has good deformation resistance, the axial limiting reliability of the stator assembly 20 can be ensured.
It should be noted that the housing 10 of the motor 100 according to an embodiment of the present invention is substantially a circular cylindrical structure, and thus, the motor 100 further has a radial direction perpendicular to the axial direction. Both end surfaces of the cylindrical case 10 in the axial direction are formed as a bottom wall and a top wall of the case 10, respectively. Wherein, the accommodating cavity formed inside the housing 10 is adapted to the outer contour of the stator assembly 20. Specifically, the housing 10 includes a housing 11 and an end cover 13 detachably connected to the housing 11, wherein an opening 111 is formed at one end of the housing 11, the end cover 13 detachably covers the opening 111, the end cover 13 and the housing 11 enclose to form the accommodating cavity, the end cover 13 is further provided with a rotating shaft hole 135, an inner surface of the end cover 13 forms a top wall of the accommodating cavity, and a bottom wall of the housing 11 forms a bottom wall of the accommodating cavity.
By providing the housing 10 in a structure including the housing case 11 and the end cap 13 detachably coupled, the assembly and disassembly of the stator assembly 20, the rotor assembly 30, etc., and the internal components are facilitated, and the maintenance of the internal parts of the motor 100 is also facilitated. It can be understood that the housing 10 may be made of plastic, and the housing 10 made of plastic has a light weight, so that the overall weight of the motor 100 can be reduced, and the motor can have the advantages of a micro motor. It is understood that the material of the housing 10 is not limited to plastic, and the housing 10 may also be a metal material, and the metal material is heavier than the plastic material, but the metal material has better rigidity, so as to prolong the service life of the housing 10. The end cover 13 may be detachably connected to the housing 11 through a screw, or may be detachably connected to the housing 11 through a snap or the like.
Referring to fig. 2, in an embodiment of the present invention, the end cover 13 is provided with a positioning block 131, the end portion of the housing 11 provided with the opening 111 is provided with a positioning groove 117, and the positioning block 131 is inserted into the positioning groove 117;
and/or, a step part 115 is arranged at the end part of the casing 11 provided with the opening 111, and the end cover 13 is mounted on the step part 115.
In the technical aspect of the present invention, the step portion 115 is disposed at the end 111 of the housing 11, the inner side wall surface of the housing 11 where the step portion 115 is disposed, and the end surface of the housing 11 where the outer surface of the end cover 13 can be flush with the end surface of the housing 11, or the end surface can be disposed lower than the end surface of the housing 11. When the outer surface of the end cover 13 is lower than the end face of the housing 11, the housing 11 can also protect the end cover 13. The stepped portion 115 may improve the assembly efficiency of the cover 13 with the cabinet 11.
In addition, the side wall surface of the casing 11 is further provided with a positioning groove 117, the periphery of the end cover 13 is further provided with a positioning block 131 in a protruding manner, and the positioning block 131 is inserted into the positioning groove 117 to realize radial limiting of the end cover 13, so that the casing 11 opposite to the end cover 13 is prevented from rotating, and the firmness of fixing the end cover 13 and the casing 11 is improved.
It should be noted that, an abdicating opening 135 is further formed on the end cover 13, and the abdicating opening 135 is adapted to the wire passing portion 67 so as to facilitate the passing of the wires and the like.
Referring to fig. 2, 7 and 8, in an embodiment of the present invention, the axial limiting member 60 includes:
a main body 61, wherein the main body 61 is annularly arranged, the main body 61 has an upper end surface (not labeled) and a lower end surface (not labeled) which are oppositely arranged, and the lower end surface of the main body 61 abuts against the end surface of the stator assembly 60;
and an abutting part 63, wherein an abutting part 63 is convexly arranged on the upper end surface of the main body part 61, the abutting part 63 is arranged around the inner ring side of the main body part 61, the abutting part 63 abuts against the top wall, and the abutting part 63 abuts against the top wall.
The utility model discloses an among the technical scheme of implementation, main part 61 is the circular shape cyclic annular setting, and this annular is the closed loop setting to the axial locating part 60's of guaranteeing intensity. The outer annular side wall of the axial stop 60 is fitted to the inner annular side wall of the casing 11. The abutting part 63 is convexly arranged at the end part of the main body part 61 away from the stator assembly 20, and is connected with the inner side edge of the main body part 61, when the end cover 13 of the axial limiting part 60 abuts against, the stress point is far away from the edge of the end cover 13, so that the stress point falls on the middle area of the end cover 13, the axial stress of the end cover 13 and the casing 11 is reduced, and the stability of the axial connection of the end cover 13 and the casing 11 is improved.
Referring to fig. 2, 7 and 8, in an embodiment of the present invention, the main body 61 has an inner ring side wall and an outer ring side wall which are oppositely disposed, the upper end surface and the lower end surface are connected to the inner ring side wall and the outer ring side wall to form the main body 61 in a surrounding manner, a plurality of notches 611 are disposed on the upper end surface of the main body 61, and the notches 611 communicate with the inner ring side wall and the outer ring side wall of the main body 61 and penetrate through the abutting portion 63.
The utility model relates to an among the technical scheme of implementation, through the concave a plurality of breachs 611 that are equipped with of up end at main part 61, so, can reduce main part 61 rigidity, increase elastic deformation ability. Further, the abutting portion 63 can be isolated to form an open loop structure, and the strength of the abutting portion 63 in the axial direction can be reduced. When the axial stopper 60 receives the pressing force applied from the stator assembly 20, the abutting portion 63 may be elastically deformed in the axial direction to reduce the axial displacement of the end cover 13 due to the pressing. It should be noted that the plurality of notches 611 are arranged in an equidistant array from the central axis of the axial limiting member 60, so that the abutting portion 63 can be separated by the notch 311 to form a multi-segment structure, and the extending distance of each segment is equal, so that each segment of the abutting portion 63 can be elastically deformed uniformly after being stressed, thereby improving the axial firmness of the stator assembly 20. Further, the notch 611 also reduces the strength of the radial portion of the main body portion 61, reducing the ability of the abutment portion 63 to resist deformation.
It should be noted that, in an embodiment of the present invention, the axial limiting member 60 is made of plastic, and the main body portion 61 and the abutting portion 63 are integrally formed by injection molding. The plastic material has certain rigidity, can satisfy the rigidity demand to the ascending fixed of stator module 20 axial, and simultaneously, the plastic material still has better plasticity, takes place the elastic deformation of certain degree under the effect of external force, can also resume after the external force disappears, the axial locating part 60's that does not influence performance.
Referring to fig. 2, 7 and 8, in an embodiment of the present invention, a plurality of reinforcing blocks 65 are further disposed on the upper end surface of the main body portion 61, the plurality of reinforcing blocks 65 are disposed at intervals, and the reinforcing blocks 65 are located outside the abutting portion 63.
The utility model relates to an among the technical scheme of implementation, the boss 65 sets up for protruding up end of locating main part 61, the boss 65 has better rigidity, can not take place elastic deformation because of the axial force that receives, and simultaneously, the height that highly is less than butt portion 63 of boss 65, and thus, the boss 65 can take place the butt with the inside face of end cover 13 under the condition of excessive deformation in butt portion 63 to prevent that butt portion 63 excessively warp and influence stator module 20's fixed effect, improve the spacing reliability of stator module 20 axial. It can be seen that, adopting the utility model discloses an axial locating part 60 among the technical scheme of an embodiment can satisfy elasticity and rigidity demand fixed in the stator module 20 axial simultaneously.
Referring to fig. 7 and 8, in an embodiment of the present invention, the axial limiting member 60 further includes a wire passing portion 67, the wire passing portion 67 is disposed on an upper end surface of the main body portion 61, and the wire passing hole 671 is disposed on the wire passing portion 67.
The utility model relates to an among the technical scheme of implementation, still be provided with on the main part 61 and cross line portion 67, cross line portion 67 and seted up cross line hole 671, cross line hole 671 and run through the main part 61 setting, so, can both integrate with wire, control line etc. of motor 100 and be fixed in cross line hole 671, can protect wire, control line, prevent wire, control line fish tail. It should be noted that at least a part of the wire passing portion 67 is also disposed to penetrate through the end cover 13, so that the protection effect on the wires and the control wires can be further improved, and the wires and the control wires can be prevented from being scratched by the end cover 13. In addition, the wire and the control line are integrated, and the wire and the control line can be arranged, so that the motor 100 is neat in appearance and attractive.
Referring to fig. 2, 7 and 8, in an embodiment of the present invention, the abutting portion 63 is at least partially exposed at an inner annular opening (not labeled) enclosed by the inner annular sidewall, and the abutting portion 63 and the inner annular sidewall enclose a relief groove 69 for installing the circuit board 50.
The utility model relates to an among the technical scheme of implementation, the groove 69 of stepping down is the annular setting, and the setting of the groove 69 of stepping down can reduce axial locating part 60 occupation space. Therefore, the periphery of the circuit board 50 of the motor 100 can extend into the receding groove 69, and the circuit board 50 can be fixed due to the receding groove 69, so that the space utilization rate is improved.
Referring to fig. 2 and 4, in an embodiment of the present invention, the casing 11 and the stator assembly 20 are further provided with a radial limiting structure (not labeled), and the radial limiting structure is used for limiting the stator assembly 20 to rotate relative to the casing 11.
The utility model discloses an among the technical scheme of implementation, radial limit structure can be spacing groove 21 and spacing post 113's cooperation. The limiting groove 21 may be disposed on an outer side wall of the stator assembly 20, the limiting groove 21 communicates with two ends of the stator assembly 20 in the axial direction, the limiting post 113 is protruded on an inner side wall of the casing 11, and the limiting post 113 is inserted into the limiting groove 21 to limit the stator assembly 20 to rotate relative to the casing 11, so as to achieve radial positioning of the stator assembly 20.
It will be appreciated that the positions of the restraint slot 21 and the restraint post 113 may be reversed to achieve the same result. For example, the inner wall of the housing 11 may be concavely provided with a limit groove 21, or the outer wall of the stator assembly 20 may be convexly provided with a limit column 113.
It should be noted that, in an embodiment of the present invention, the rotor assembly 20, which is matched with the limiting groove 21 to limit, is not limited to the structure of the limiting column 113, but may also be a limiting block or a limiting convex hull. The stator assembly 20 is not limited herein as long as the stator assembly can be radially limited by the engagement with the limiting groove 21.
Referring to fig. 2, 3 and 4, in an embodiment of the present invention, the motor 100 further includes:
the rotating shaft 40 is rotatably arranged in the housing 10, and at least part of the rotating shaft 40 penetrates through the housing 10 and extends into the accommodating cavity; and
and the rotor assembly 30 is fixed on the side wall surface of the rotating shaft 40, and is positioned in the stator assembly 20.
The utility model relates to an among the technical scheme of implementation, the both ends of pivot 40 are inserted respectively and are located the pivot hole of casing 11 diapire and the pivot hole 135 on the end cover 13, and rotor subassembly 30 is fixed in the lateral wall face of pivot 40 to the rotatable inside of locating stator module 20, after the circular telegram, rotor subassembly 30 relative stator module 20 rotates and produces electromagnetic change, and truns into energy output with electromagnetic change.
It can be understood that the motor 100 is further provided with bearings 70, the bearings 70 are fixed with the housing 10 and are received in the receiving cavity, and the two bearings 70 are sleeved on the two ends of the rotating shaft 40 to ensure the rotating coaxiality of the rotating shaft 40.
The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structure changes made by the contents of the specification and the drawings under the inventive concept of the present invention, or the direct/indirect application in other related technical fields are included in the patent protection scope of the present invention.

Claims (10)

1. An electric machine having an axial direction extending along a direction in which a rotating shaft thereof extends, the electric machine comprising:
the shell is internally provided with a bottom wall and a top wall which are oppositely arranged along the axial direction, and an accommodating cavity is formed inside the shell;
the stator assembly is detachably arranged in the accommodating cavity, and one end surface of the stator assembly is abutted against the bottom wall of the shell; and
the axial limiting part is arranged in the containing cavity and clamped between the end face of the stator assembly, which deviates from the bottom wall, and the top wall of the shell, so that the stator assembly is limited and fixed in the shell along the axial direction of the stator assembly.
2. The electric machine of claim 1, wherein the axial stop comprises:
the main body part is arranged in an annular shape and provided with an upper end surface and a lower end surface which are arranged oppositely, and the lower end surface of the main body part is abutted against the end surface of the stator assembly; and
the upper end face of the main body part is convexly provided with an abutting part, the abutting part surrounds the inner ring side of the main body part, and the abutting part abuts against the top wall.
3. The motor according to claim 2, wherein the main body has an inner ring side wall and an outer ring side wall which are opposite to each other, the upper end surface and the lower end surface are connected to the inner ring side wall and the outer ring side wall to form the main body in an enclosed manner, the upper end surface of the main body is provided with a plurality of notches, and the notches communicate with the inner ring side wall and the outer ring side wall of the main body and penetrate through the abutting portion.
4. The motor of claim 3, wherein the abutting portion is at least partially exposed at an inner ring opening enclosed by the inner ring side wall, and the abutting portion and the inner ring side wall enclose a relief groove for mounting a circuit board.
5. The motor according to claim 2, wherein a plurality of reinforcing blocks are provided on an upper end surface of the main body portion, the plurality of reinforcing blocks being provided at intervals, and the reinforcing blocks being located outside the abutting portion.
6. The motor of claim 2, wherein the axial limiting member further comprises a wire passing portion, the wire passing portion is disposed on an upper end surface of the main body portion, and the wire passing portion is provided with a wire passing hole.
7. The motor of claim 1, wherein the axial stop is made of plastic.
8. The electric machine of any of claims 1 to 7, wherein the housing comprises:
the device comprises a shell, a first fixing piece and a second fixing piece, wherein one end of the shell is provided with an opening; and
the end cover is detachably connected with the shell, covers the opening and forms the accommodating cavity by enclosing with the shell, and is provided with a rotating shaft hole;
the inner surface of the end cover forms the top wall of the accommodating cavity, and the bottom wall of the shell forms the bottom wall of the accommodating cavity.
9. The motor of claim 8, wherein the motor has a radial direction perpendicular to the axial direction, the inner sidewall of the housing is provided with one of a limiting groove or a limiting post, and the stator assembly is provided with the other of the limiting groove or the limiting post;
the limiting column is inserted into the limiting groove to limit the stator assembly to rotate relative to the shell.
10. The motor of claim 8, wherein the end cap is provided with a positioning block, the end of the housing provided with the opening is provided with a positioning groove, and the positioning block is inserted into the positioning groove;
and/or, the end part of the shell, which is provided with the opening, is provided with a step part, and the end cover is arranged on the step part.
CN202020883970.1U 2020-05-22 2020-05-22 Electric machine Active CN212063698U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113091134A (en) * 2021-03-31 2021-07-09 青岛海尔空调器有限总公司 Motor shaft mounting structure, cross-flow fan and air conditioner

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113091134A (en) * 2021-03-31 2021-07-09 青岛海尔空调器有限总公司 Motor shaft mounting structure, cross-flow fan and air conditioner

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