CN220711235U - Motor stator assembly convenient to assemble - Google Patents

Abstract

The utility model discloses a motor stator assembly convenient to assemble, and relates to the technical field of motors. The arrangement of the clamping blocks on the magnetic shoe and the clamping grooves on the motor shell enables the end cover and the motor shell to be installed at angles corresponding to each other, so that structural mounting errors are prevented, the clamping blocks and the clamping grooves are buckled to realize mechanism fixation, and the clamping blocks and the clamping grooves are matched with a press-fit tool to perform press-fit.

Description

Motor stator assembly convenient to assemble

Technical Field

The utility model relates to the technical field of motors, in particular to a motor stator assembly convenient to assemble.

Background

The stator of the motor is an important component part of the motor such as a generator, a starter and the like, the stator is an important part of the motor, the main function of the stator is to generate a rotating magnetic field, and the main function of the rotor is to be cut by magnetic lines of force in the rotating magnetic field so as to generate (output) current; the permanent magnet shoe is a tile-shaped magnet which is mainly used on a stator of the permanent magnet motor and is mainly used in a permanent magnet direct current motor, and is different from a magnetic potential source generated by an electromagnetic motor through an exciting coil, the permanent magnet motor generates a constant magnetic potential source by using a permanent magnet material, and the permanent magnet shoe replaces electric excitation and has a plurality of advantages, so that the motor has the advantages of simple structure, convenient maintenance, light weight, small volume, reliable use, less copper consumption, low energy consumption and the like;

the motor stator assembly mainly comprises a motor shell, end covers, magnetic shoes and other mechanisms, the motor shell of the existing motor stator assembly is fixed with the end covers by bolts, the bolts are screwed and installed, the installation efficiency is low, in addition, when the motor stator assembly is assembled, each mechanism needs to be assembled accurately according to a specified angle, the existing stator assembly lacks a positioning mechanism, and if the existing stator assembly is assembled manually, the situation of angle misplacement exists.

Accordingly, there is a need for an electric motor stator assembly that is easy to assemble to address the above-described problems.

Disclosure of Invention

The present utility model is directed to a motor stator assembly that is easy to assemble, and solves the above-mentioned problems of the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a motor stator subassembly convenient to equipment, includes end cover, bearing, magnetic shoe and motor casing, bearing, end cover and magnetic shoe connect gradually and are integral type structure, the constant head tank has been seted up at the border of end cover, the tip of motor casing is equipped with the locating piece that corresponds laminating grafting with the constant head tank, the outside of magnetic shoe is equipped with the buckle piece, set up the draw-in groove that corresponds the joint with the buckle piece on the motor casing.

Optionally, the number of the magnetic shoes is at least two, and each magnetic shoe is provided with a buckling block.

Optionally, the end cover is integrally injection molded by flame-retardant plastic, and the flame-retardant plastic adopts PA6-GF30 flame-retardant plastic.

Optionally, a plurality of first through heat dissipation holes are formed in the end cover along the thickness direction.

Optionally, motor front cover bolt mounting holes are formed in one end, far away from the end cover, of the side wall of the motor casing, and the motor front cover bolt mounting holes are at least two.

Optionally, a second heat dissipation hole is formed in one end, away from the end cover, of the side wall of the motor casing.

The utility model has the technical effects and advantages that:

1. the magnetic shoe upper clamping block and the motor casing are provided with the clamping groove, so that the end cover and the motor casing are correspondingly installed at an angle, structural assembly errors are prevented, the clamping block and the clamping groove are buckled to realize mechanism fixation, and the magnetic shoe upper clamping block and the motor casing are matched with a press-fit tool to be press-fitted, so that the magnetic shoe upper clamping block has the characteristics of high assembly efficiency, high consistency and stable quality;

2. the positioning groove on the end cover and the positioning block on the motor shell are arranged, so that the function of installing the preset position is further achieved, and the angle is prevented from being misplaced.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an end cap according to the present utility model.

Fig. 2 is a schematic top view of the present utility model.

Fig. 3 is a schematic diagram of a front view and a half-section structure of the present utility model.

Fig. 4 is a schematic view of a partial enlarged structure at a in fig. 3 according to the present utility model.

Fig. 5 is a schematic view showing a bottom perspective structure of the present utility model.

Fig. 6 is a schematic diagram of a front view structure of the present utility model.

Fig. 7 is a schematic side view of the present utility model.

In the figure: 1. an end cap; 2. a bearing; 3. a magnetic shoe; 4. a motor housing; 5. a positioning groove; 6. a positioning block; 7. a buckle block; 8. a clamping groove; 9. a first heat radiation hole; 10. a motor front cover bolt mounting hole; 11. and a second heat dissipation hole.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

In the present utility model, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," "secured," and the like are to be construed broadly and may be, for example, fixedly connected or detachably connected; may be a mechanical connection; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

The utility model provides a motor stator assembly which is convenient to assemble as shown in figures 1-7, and comprises an end cover 1, a bearing 2, magnetic shoes 3 and a motor shell 4, wherein the bearing 2 is coaxially arranged at the outer end of the end cover 1 and is used for connecting a motor with an external mechanism, at least two magnetic shoes 3 are arranged and are arranged at the inner end edge of the end cover 1 in an annular array, the end cover 1, the bearing 2 and the magnetic shoes 3 are in an integrated structure, two ends of the motor shell 4 are open, one end of the motor shell is used for being connected with the end cover 1, and the other end of the motor shell is used for being provided with a motor front cover;

the outer side of the magnetic shoe 3 is provided with a clamping block 7, the clamping block 7 is of a square block structure, the middle part of the clamping block is downwards beveled to form an inclined surface structure, the bottom of the clamping block is not cut to the edge, a limiting edge is reserved, the motor casing 4 is provided with a clamping groove 8 which is correspondingly clamped with the clamping block 7, the clamping groove 8 is clamped with the clamping block 7 to fix the magnetic shoe 3 and the motor casing 4, the end part of the motor casing 4 is attached to the end cover 1, the clamping groove 8 penetrates through the side wall of the motor casing 4 to form a through groove, and the outer side is convenient to observe to align the clamping groove 8 with the clamping block 7;

the edge of the end cover 1 is provided with a positioning groove 5, the end part of the motor casing 4 is provided with a positioning block 6 which is correspondingly attached and spliced with the positioning groove 5, and the positioning block is further used for prealignment before the motor casing 4 is installed, so that the motor casing 4 is ensured to be placed and sleeved outside the magnetic shoe 3 according to a unique angle, and the correct installation is realized through the clamping connection of the clamping groove 8 and the clamping block 7;

the assembly can be assembled and buckled by adopting special press-fitting equipment, the motor shell 4 is placed in a press-fitting die, the end cover 1, the bearing 2 and the magnetic shoe 3 which are of an integrated structure are correspondingly placed through the positioning groove 5 and the clamping groove 8, the press-fitting equipment is utilized for automatic press-fitting, the assembly after press-fitting has the characteristics of high assembly efficiency, high consistency and stable quality, and the assembly is fixed by adopting press-fitting, so that the assembly is convenient and quick;

the end cover 1 is formed by integrally injection molding flame-retardant plastic, and the flame-retardant plastic adopts PA6-GF30 flame-retardant plastic.

A plurality of through first heat dissipation holes 9 are formed in the end cover 1 along the thickness direction and are used for heat dissipation of the motor.

The motor casing 4 has seted up motor protecgulum bolt mounting hole 10 on the one end that keeps away from end cover 1, and motor protecgulum bolt mounting hole 10 sets up to two at least for the bolt installation of motor protecgulum.

The side wall of the motor casing 4 is far away from one end of the end cover 1 and is provided with a second heat dissipation hole 11, so that the heat dissipation effect of the motor is further improved.

Finally, it should be noted that: the foregoing description of the preferred embodiments of the present utility model is not intended to be limiting, but rather, it will be apparent to those skilled in the art that the foregoing description of the preferred embodiments of the present utility model can be modified or equivalents can be substituted for some of the features thereof, and any modification, equivalent substitution, improvement or the like that is within the spirit and principles of the present utility model should be included in the scope of the present utility model.

Claims (6)

1. The utility model provides a motor stator subassembly convenient to equipment, includes end cover (1), bearing (2), magnetic shoe (3) and motor casing (4), its characterized in that: the motor is characterized in that the bearing (2), the end cover (1) and the magnetic shoe (3) are sequentially connected and are of an integrated structure, a positioning groove (5) is formed in the edge of the end cover (1), a positioning block (6) which is correspondingly attached to and spliced with the positioning groove (5) is arranged at the end part of the motor casing (4), a buckling block (7) is arranged on the outer side of the magnetic shoe (3), and a clamping groove (8) which is correspondingly clamped with the buckling block (7) is formed in the motor casing (4).

2. An assembled electric machine stator assembly as claimed in claim 1, wherein: the number of the magnetic shoes (3) is at least two, and each magnetic shoe (3) is provided with a buckling block (7).

3. An assembled electric machine stator assembly as claimed in claim 1, wherein: the end cover (1) is formed by integrally injection molding flame-retardant plastic, and the flame-retardant plastic adopts PA6-GF30 flame-retardant plastic.

4. An assembled electric machine stator assembly as claimed in claim 1, wherein: a plurality of through first heat dissipation holes (9) are formed in the end cover (1) along the thickness direction.

5. An assembled electric machine stator assembly as claimed in claim 1, wherein: the motor casing (4) is characterized in that one end, far away from the end cover (1), of the side wall of the motor casing is provided with motor front cover bolt mounting holes (10), and the number of the motor front cover bolt mounting holes (10) is at least two.

6. An assembled electric machine stator assembly as claimed in claim 1, wherein: and a second heat dissipation hole (11) is formed in one end, far away from the end cover (1), of the side wall of the motor casing (4).