Motor stator assembly

Abstract

The utility model discloses a motor stator assembly, which comprises a bearing, a stator core arranged on the outer wall of the circumference of the bearing, a plurality of tooth grooves arranged on the top of the stator core in an annular array, a plurality of mounting blocks arranged at the bottom of the stator core, first mounting holes arranged at the bottoms of the plurality of mounting blocks, and a groove arranged at one side of the bottom of each mounting block. According to the motor stator assembly, the armature wire group penetrates through the groove and is wound on the stator iron core, the bolt is screwed into the first mounting hole, so that the stator assembly can be fixedly mounted on the motor base, the stator assembly can adapt to the shape of the bottom of the base through the groove, and the stator assembly can be conveniently mounted on the motor base through the groove. The motor output shaft is fixedly connected with the inner wall of the circumference of the bearing, the rotor assembly rotates to drive the motor output shaft to rotate, the diameter is increased, the requirement of an unmanned aerial vehicle motor is met conveniently, a rotor winding is conveniently installed through a winding plate, and the rotor winding is prevented from falling off in the rotating process of the rotor iron core through a limiting plate.

Description

TECHNICAL FIELD

[0001] The utility model relates to motor stator technical field, concretely is a motor stator assembly. BACKGROUND

[0002] Motor stator is the important component of generator and starter motor etc. motor, and stator is the important part of motor, and stator is composed of stator core, stator winding and machine base three parts, and the main role of stator is to produce rotating magnetic field, and the main role of rotor is to be cut by magnetic line of force in rotating magnetic field and produce (output) current.

[0003] The patent literature with the publication number CN214799058U in the prior art provides: a stator assembly for motor, which comprises a stator core, fixed teeth are arranged on the stator core, winding placement areas are formed between the fixed teeth, windings are wound on the fixed teeth, the fixed teeth are clamped with the inner wall of the stator core, and the fixed teeth are clamped in the fixed grooves on the inner wall of the stator core to complete the fixation. By arranging the movable fixed teeth on the inner wall of the stator core, the fixed grooves formed between the fixed teeth replace the grooves opened on the original stator punching sheet. In this way, the thickness of the stator core is reduced without increasing the length of the winding, which facilitates magnetic aggregation and reduces the use of core materials and the quality of the stator.

[0004] Although the device has many beneficial effects, it still has the following problems: during use of the device, the stator is not stable enough, the inner rotor structure has a small diameter, and it is not convenient to adapt to the rotation demand of the unmanned aerial vehicle; secondly, the conventional rotor structure can easily cause the wire group to fall off during use of the device, and needs to be improved. In view of this, the present application provides a motor stator assembly. CONTENT OF THE UTILITY MODEL

[0005] The purpose of this part is to outline some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this part and the abstract of the specification and the utility model name to avoid obscuring the purpose of this part, the abstract of the specification and the utility model name, and such simplifications or omissions cannot be used to limit the scope of the utility model.

[0006] 1. Technical problems to be solved:

[0007] In order to solve the problems of unstable stator installation, small diameter of inner rotor structure, inconvenience to adapt to the rotation demand of unmanned aerial vehicle and wire group falling off of conventional rotor structure in the above-mentioned, the utility model is provided.

[0008] Therefore, the purpose of the utility model is to provide a motor stator assembly, the installation of the stator is more stable, the outer rotor structure is set to increase the diameter, which is convenient for adapting to the rotation demand of the unmanned aerial vehicle, and the wire group is not easy to fall off.

[0009] 2. Technical solutions:

[0010] To solve the above technical problems, according to one aspect of the present application, the present application provides the following technical solutions:

[0011] A motor stator assembly, comprising a bearing, a stator assembly is arranged on the circumferential outer wall of the bearing, the stator assembly comprises a stator core, a plurality of tooth slots are arranged on the top of the stator core in an annular array, a plurality of mounting blocks are arranged on the bottom of the stator core, a first mounting hole is arranged on the bottom of each of the mounting blocks, a groove is arranged on one side of the bottom of the mounting block, a second mounting hole is arranged on the top of the groove, a convex ring is arranged on the top of the circumferential inner wall of the stator core, and a rotor assembly is arranged on the circumferential outer wall of the stator core.

[0012] As a preferred scheme of the motor stator assembly of the present application, the rotor assembly comprises a rotor core, a plurality of winding boards are arranged on the circumferential outer wall of the rotor core, a limiting plate is arranged on the other end of each of the winding boards, and a rotor winding is arranged on the outer wall of each of the winding boards.

[0013] As a preferred scheme of the motor stator assembly of the present application, the top and bottom of the circumferential inner wall of the bearing outer ring are each provided with a first limiting ring, and the top and bottom of the circumferential outer wall of the bearing inner ring are each provided with a second limiting ring.

[0014] As a preferred scheme of the motor stator assembly of the present application, the circumferential inner wall of the stator core is provided with a positioning groove, and the size and position of the positioning groove are matched with the size and position of the bearing.

[0015] As a preferred scheme of the motor stator assembly of the present application, the material of the stator core and the rotor core is silicon steel, and the material of the rotor winding is copper.

[0016] As a preferred scheme of the motor stator assembly of the present application, the spacing between adjacent winding boards is the same, and a certain spacing is maintained between adjacent limiting plates.

[0017] 3. Beneficial effects:

[0018] Compared with the prior art, the present application has the beneficial effects that:

[0019] The motor stator assembly is fixed and installed on the motor base through screwing bolts into the first mounting holes, the stator assembly is adapted to the protruding shape of the bottom of the base through the grooves, the armature wire group is prevented from being scattered through the convex ring shielding, the motor output shaft is fixedly connected with the circumferential inner wall of the bearing, and the diameter of the motor output shaft is increased through the rotation of the rotor assembly, so that the unmanned aerial vehicle motor demand is facilitated to be adapted.

[0020] The motor stator assembly is fixed and installed on the motor base through screwing bolts into the first mounting holes, the stator assembly is adapted to the protruding shape of the bottom of the base through the grooves, the armature wire group is prevented from being scattered through the convex ring shielding, the motor output shaft is fixedly connected with the circumferential inner wall of the bearing, and the diameter of the motor output shaft is increased through the rotation of the rotor assembly, so that the unmanned aerial vehicle motor demand is facilitated to be adapted. BRIEF DESCRIPTION OF DRAWINGS

[0021] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the present application will be described in detail below with reference to the drawings and detailed embodiments. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without creative labor. Among them:

[0022] Figure 1 It is a whole structure schematic diagram of the motor stator assembly of the present application;

[0023] Figure 2 It is a rotor assembly structure split schematic diagram of the motor stator assembly of the present application;

[0024] Figure 3 It is a stator assembly structure schematic diagram of the motor stator assembly of the present application;

[0025] Figure 4 It is a stator assembly structure bottom surface schematic diagram of the motor stator assembly of the present application;

[0026] Figure 5 It is a bearing structure split schematic diagram of the motor stator assembly of the present application.

[0027] Explanation of reference numerals in the drawing: 1, bearing; 2, stator assembly; 3, rotor assembly; 4, positioning groove; 101, first limiting ring; 102, second limiting ring; 201, stator core; 202, tooth slot; 203, mounting block; 204, first mounting hole; 205, groove; 206, second mounting hole; 207, convex ring; 301, rotor core; 302, winding board; 303, limiting plate; 304, rotor winding. DETAILED DESCRIPTION

[0028] In order to make the above-mentioned purposes, features and advantages of the present application more obvious and easy to understand, the specific embodiments of the present application will be described in detail below with reference to the drawings.

[0029] The utility model discloses in combination with the schematic diagram carries out the detailed description, when detailing the utility model embodiment, for being convenient for illustration, the sectional view of the device structure will not be partially enlarged according to the general proportion, and the schematic diagram is only example, and it should not limit the range of the utility model protection here.This in addition, should contain three-dimensional spatial dimension of length, width and depth in actual production.

[0030] The orientation or positional relationship indicated in the term is based on the orientation or positional relationship shown in the drawing, only for the convenience of describing the utility model and simplifying the description, and not indicating or implying that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model.

[0031] The connection mode in the term should be understood broadly, for example, "connection" can be fixed connection, can also be detachable connection, or integrally connected, can be mechanical connection, can also be electrical connection, can be directly connected, can also be indirectly connected through intermediate medium, can be the communication inside two elements.For the ordinary skilled in the art, the specific meaning of the above-mentioned term in the utility model can be understood according to the specific circumstances.

[0032] The embodiments of the utility model will be further described in detail below in combination with the drawings.

[0033] The utility model provides a kind of overall structure schematic diagram of the implementation of motor stator assembly, comprising:

[0034] Please refer to Figures 1-5 , a kind of motor stator assembly of this embodiment, including bearing 1, bearing 1 circumferential outer wall is fixed with stator assembly 2, stator assembly 2 includes stator core 201, multiple tooth slots 202 are arranged in the top annular array of stator core 201, multiple mounting blocks 203 are welded on the bottom of stator core 201, multiple first mounting holes 204 are arranged in the bottom of multiple mounting blocks 203, recess 205 is arranged in the side of the bottom of mounting block 203, second mounting hole 206 is arranged in the top of recess 205, convex ring 207 is welded on the top of circumferential inner wall of stator core 201, rotor assembly 3 is rotatably connected to the circumferential outer wall of stator core 201, by winding armature wire group in recess 205 on stator core 201, by screwing bolt into first mounting hole 204, it is convenient to fix and install stator assembly 2 on motor base, by recess 205, it is convenient to make stator assembly 2 adapt to the shape of the protrusion of the bottom of base, by convex ring 207, avoid armature wire group scattering, motor output shaft is fixedly connected with the circumferential inner wall of bearing 1, by rotating rotor assembly 3 to drive motor output shaft rotation to increase diameter, it is convenient to adapt to the demand of unmanned aerial vehicle motor.

[0035] It is worth mentioning that in order to make the mixing effect of the grouting material better, specifically, the rotor assembly 3 includes a rotor core 301, a plurality of winding plates 302 are welded on the circumferential outer wall of the rotor core 301, a plurality of limiting plates 303 are welded on the other end of the plurality of winding plates 302, and a rotor winding 304 is wound on the outer wall of the plurality of winding plates 302. The winding plate 302 facilitates the installation of the rotor winding 304, and the limiting plate 303 prevents the rotor winding 304 from falling off during the rotation of the rotor core 301.

[0036] Next, in order to avoid damage to the bearing 1, specifically, the first limiting ring 101 is welded on the top and bottom of the circumferential inner wall of the bearing 1 outer ring, and the second limiting ring 102 is welded on the top and bottom of the circumferential outer wall of the bearing 1 inner ring. Through the first limiting ring 101 and the second limiting ring 102, it is convenient to avoid the ball inside the bearing 1 from falling off.

[0037] At the same time, in order to prevent the stator core 201 from falling off, specifically, the stator core 201 is provided with a positioning groove 4 on the circumferential inner wall, and the size and position of the positioning groove 4 are matched with the size and position of the bearing 1. Through the positioning groove 4 matched with the size and position of the bearing 1, the stator core 201 is convenient to install and improve the stability.

[0038] Further, in order to facilitate the use of the unmanned aerial vehicle motor, specifically, the material of the stator core 201 and the rotor core 301 is silicon steel, and the material of the rotor winding 304 is copper. Through the stator core 201 and the rotor core 301 made of silicon steel, the magnetic induction capacity is enhanced, the larger magnetic induction intensity is convenient to produce, the use effect is improved, the volume of the motor is convenient to reduce, and the copper material of the rotor winding 304 has better conductivity.

[0039] Finally, in order to facilitate the distribution of the rotor winding 304, specifically, the spacing of adjacent winding plates 302 is the same, and the spacing between adjacent limiting plates 303 is kept constant. Through the adjacent winding plates 302 with the same spacing, the rotor winding 304 is distributed more uniformly, and through the adjacent limiting plates 303 with a certain spacing, the rotor winding 304 is convenient to pass through for assembly.

[0040] In combination Figures 1-5 , the motor stator assembly of the embodiment is used as follows:

[0041] 1: According to the actual use, the armature wire group is threaded through the groove 205 and wound on the stator core 201, the bolt is screwed into the first mounting hole 204, so that the stator core 201 is fixedly installed on the motor base, the groove 205 makes the stator assembly 2 clamped and adapted to the shape of the bottom of the base, the motor output shaft is fixedly connected with the circumferential inner wall of the bearing 1, the motor output shaft is fixedly connected with the rotor assembly 3, and the rotor assembly 3 rotates to drive the motor output shaft to rotate.

[0042] 2: A plurality of limiting plate 303 annular array is welded in the rotor core 301 circumference outer wall, in the winding plate 302 other end welds limiting plate 303, with the rotor winding 304 between the gap of adjacent limiting plate 303 is wound on winding plate 302.

[0043] Although the utility model has been described above with reference to the embodiments, various modifications can be made to it and equivalent components can be substituted therefor without departing from the scope of the utility model. In particular, each feature in the embodiments disclosed by the utility model can be combined with each other in any way as long as there is no structural conflict, and the combinations are not exhaustively described in the specification only for the consideration of omitting the length and saving resources. Therefore, the utility model is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A motor stator assembly, comprising a bearing (1), characterized in that, The bearing (1) has a stator assembly (2) on its outer circumference. The stator assembly (2) includes a stator core (201). The top of the stator core (201) has a plurality of toothed slots (202) arranged in an annular array. The bottom of the stator core (201) has a plurality of mounting blocks (203). The bottom of each mounting block (203) has a first mounting hole (204). The bottom side of the mounting block (203) has a groove (205). The top of the groove (205) has a second mounting hole (206). The top of the inner circumference of the stator core (201) has a convex ring (207). The outer circumference of the stator core (201) has a rotor assembly (3).

2. The motor stator assembly according to claim 1, characterized in that, The rotor assembly (3) includes a rotor core (301), the outer wall of the rotor core (301) is provided with a plurality of winding plates (302), the other end of each of the plurality of winding plates (302) is provided with a limiting plate (303), and the outer wall of each of the plurality of winding plates (302) is provided with a rotor winding (304).

3. The motor stator assembly according to claim 2, characterized in that, The bearing (1) has a first limiting ring (101) at the top and bottom of the inner wall of the outer ring and a second limiting ring (102) at the top and bottom of the outer wall of the inner ring.

4. The motor stator assembly according to claim 3, characterized in that, The stator core (201) has a positioning groove (4) on its inner circumference, and the size and position of the positioning groove (4) match the size and position of the bearing (1).

5. The motor stator assembly according to claim 4, characterized in that, The stator core (201) and rotor core (301) are both made of silicon steel, and the rotor winding (304) is made of copper.

6. The motor stator assembly according to claim 5, characterized in that, The adjacent winding plates (302) are spaced at the same distance, and the adjacent limiting plates (303) are spaced at a certain distance.

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