CN220172954U

CN220172954U - Motor convenient for winding

Info

Publication number: CN220172954U
Application number: CN202321510519.5U
Authority: CN
Inventors: 张善水; 裴建斌
Original assignee: Dongguan Dongchang Motor Co ltd
Current assignee: Dongguan Dongchang Motor Co ltd
Priority date: 2023-06-13
Filing date: 2023-06-13
Publication date: 2023-12-12
Anticipated expiration: 2033-06-13

Abstract

The utility model provides a motor convenient to wire winding, includes the casing, installs stator on the casing, with stator complex rotor, install the face lid on the casing, carry out the locating component who supports the rotor, a serial communication port, the casing includes main part and connects in the bottom plate of main part one end, main part is hollow structure setting, surrounds into the holding tank of taking the open-ended between main part and the bottom plate, the casing is connected with a plurality of screens piece on the cell wall of holding tank, the whole back T shape that is of screens piece sets up, and it includes screens section and connects the spacing section in screens section bottom, the stator includes a plurality of submodules, each the submodule includes the iron core body and winds the winding on the iron core body, be equipped with draw-in groove and wire winding groove on the iron core body, the screens piece the screens section card is in the draw-in groove on the iron core body. According to the utility model, the stator is designed into a plurality of independent sub-modules, so that the winding efficiency on the stator is effectively improved, and the production efficiency is improved.

Description

Motor convenient for winding

Technical Field

The present utility model relates to a driving device, and more particularly, to a motor with a winding function.

Background

The motor is an axial driving component and the working principle is that the starter rotor is driven to rotate by the forced rotation of an electrified coil in a magnetic field. The stator mainly comprises a positioning iron core and a stator winding, wherein the stator iron core is used as a part of a magnetic circuit of the motor and is embedded with the stator winding. The stator winding is a circuit part of the motor, and the main function of the stator winding is to pass current and generate induced potential so as to realize conversion of electromechanical energy.

When the stator winding is embedded in the existing upper iron core of the motor, the iron core is integrally installed, and then the winding wire is wound on the iron core, so that the efficiency is low during winding due to small winding space, the production efficiency is greatly reduced, and the trouble is brought to manufacturers.

Disclosure of Invention

Based on this, it is necessary to provide a motor that facilitates winding in view of the deficiencies in the prior art.

The utility model provides a motor convenient to wire winding, includes the casing, installs stator on the casing, with stator complex rotor, install the face lid on the casing, carry out the locating component who supports the rotor, a serial communication port, the casing includes main part and connects in the bottom plate of main part one end, main part is hollow structure setting, surrounds into the holding tank of taking the open-ended between main part and the bottom plate, the casing is connected with a plurality of screens piece on the cell wall of holding tank, the whole back T shape that is of screens piece sets up, and it includes screens section and connects the spacing section in screens section bottom, the stator includes a plurality of submodules, each the submodule includes the iron core body and winds the winding on the iron core body, be equipped with draw-in groove and wire winding groove on the iron core body, the screens piece the screens section card is in the draw-in groove on the iron core body.

In one embodiment, the device further comprises a connecting layer, and the connecting layer fixes the clamping piece and the iron core body.

In one embodiment, the number of the positioning assemblies is two, and the two groups of positioning assemblies support the stator from front and rear positions respectively; one group of positioning components are arranged on the surface cover, and the other group of positioning components are arranged at one end of the shell far away from the surface cover.

In one embodiment, the positioning assembly comprises a cover main body and a bearing, the middle part of the side face of the cover, facing away from the shell, is concave to form a mounting groove, the middle part of the groove bottom of the mounting groove is concave to form an assembly groove, the bearing is arranged in the assembly groove, the cover main body is arranged in the mounting groove, and the outer side face of the cover main body is level with the top face of the cover, facing away from the shell.

In one embodiment, a first through hole is formed in the middle of the bottom of the mounting groove, a second through hole is formed in the middle of the cover main body, a rotating shaft is arranged on the stator, and the rotating shaft penetrates through the first through hole, the second through hole and the bearing.

In one embodiment, a step surface is formed between the mounting groove and the assembly groove, a first waterproof groove is arranged on the notch of the winding mounting groove on the step surface, a second waterproof groove is arranged on the wall of the second perforation hole, the positioning assembly further comprises a first sealing strip and a second sealing strip, the first sealing strip and the second sealing strip are respectively arranged in the first waterproof groove and the second waterproof groove, the first sealing strip is clamped between the cover main body and the step surface, and the second sealing strip is circumferentially sleeved on the periphery of the rotating shaft.

In one embodiment, the side surface of the surface cover, which is close to the shell, is convexly provided with a clamping ring, and the clamping ring is clamped into the accommodating groove during installation.

In one embodiment, the iron core body is composed of a plurality of silicon steel sheets, and the silicon steel sheets comprise a first magnetic pole, a second magnetic pole and a connecting sheet; the first magnetic pole is provided with bayonets, the silicon steel sheets form notches at two sides of the connecting sheet, the bayonets among the silicon steel sheets are mutually aligned to form clamping grooves during assembly, and the notches among the silicon steel sheets are mutually aligned to form winding grooves.

In one embodiment, the first magnetic pole and the second magnetic pole are both arc-shaped.

In one embodiment, the bayonet is provided in the middle of the outer arc of the first pole.

The motor convenient for winding has the beneficial effects that: the stator is designed into a plurality of independent sub-modules, windings are independently wound on the sub-modules to form windings, and the sub-modules for completing winding are matched with the clamping pieces in the shell for installation.

Drawings

FIG. 1 is a schematic diagram of a motor of the present utility model for facilitating winding;

FIG. 2 is an exploded view of the motor of FIG. 1 for facilitating winding;

FIG. 3 is a schematic view of the structure of the cover body of the positioning assembly of FIG. 1;

FIG. 4 is a schematic view of a structure of a silicon steel sheet used in the present utility model;

fig. 5 is a schematic structural view of the core body shown in fig. 2.

Detailed Description

In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model. The present utility model may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the utility model, whereby the utility model is not limited to the specific embodiments disclosed below.

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.

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 at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. 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.

In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

It will be understood that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.

Referring to fig. 1 to 5, the present utility model provides a motor for winding wire, which includes a housing 10, a stator 20 mounted on the housing 10, a rotor 30 cooperating with the stator 20, a cover 40 mounted on the housing 10, and positioning assemblies 50 supporting the rotor 30, wherein in this embodiment, the number of the positioning assemblies 50 is two, one of the positioning assemblies 50 is mounted on the cover 40, the other positioning assembly 50 is mounted on one end of the housing 10 far from the cover 40, and the two positioning assemblies 50 respectively support the stator 20 from front and rear positions.

The housing 10 includes a main body 11 and a bottom plate 12 connected to one end of the main body 11, the main body 11 is hollow, and an accommodating groove 13 with an opening is defined between the main body 11 and the bottom plate 12. The outer side of the main body 11 is provided with fins 15 which are distributed at intervals for heat dissipation, and the fins 15 are distributed along the outer peripheral surface of the main body 11. The shell 10 is connected with a plurality of clamping pieces 14 on the groove wall of the accommodating groove 13, and the clamping pieces 14 are uniformly distributed at intervals around the axis of the shell 10. The side surface of the bottom plate 12, which is away from the main body 11, is convexly provided with a mounting part 16, and the mounting part 16 is arranged at the central axis position on the main body 11.

The side surface of the surface cover 40, which is close to the shell 10, is convexly provided with a clamping ring 45. The surface cover 40 is inwards concave at the middle part of the side surface of the shell 10, a mounting groove 41 is formed, the middle part of the bottom of the mounting groove 41 is further inwards concave, an assembling groove 42 is formed, a stepped surface 43 is formed between the mounting groove 41 and the assembling groove 42, a first waterproof groove 44 is arranged at the notch of the winding assembling groove 42 on the stepped surface 43, and a first perforation is arranged at the middle part of the bottom of the mounting groove 41.

Each positioning assembly 50 includes a cover main body 52, a first sealing strip 53, a second sealing strip 54, and a bearing 51, a second through hole 521 is provided in the middle of the cover main body 52, a second waterproof groove 522 is provided on a wall of the second through hole 521, and the mounting manners of the two sets of positioning assemblies 50 on the mounting portion 16 of the face cover 40 and the housing 10 are relatively similar.

Specifically, when the positioning assembly 50 is mounted in cooperation with the face cover 40, the first sealing strip 53 and the second sealing strip 54 are respectively mounted in the first waterproof groove 44 and the second waterproof groove 522, the bearing 51 is mounted in the assembly groove 42, the outer ring of the bearing 51 and the assembly groove 42 are fixedly mounted in an interference fit manner, the cover main body 52 is mounted in the mounting groove 41, the outer side surface of the cover main body 52 is level with the top surface of the face cover 40, which is opposite to the shell 10, the rotating shaft on the stator 20 passes through the first perforation, the second perforation 521 and the inner ring of the bearing 51, wherein the first sealing strip 53 is clamped between the cover main body 52 and the stepped surface 43, and the second sealing strip 54 is circumferentially sleeved on the periphery of the rotating shaft, so that the purposes of waterproof and dust prevention are achieved. A fine gap exists between the hole wall of the second through hole 521 and the rotating shaft so as not to interfere with the free rotation of the rotating shaft.

The stator 20 comprises a plurality of sub-modules, each sub-module comprises an iron core body 21 and a winding wound on the iron core body 21, the iron core body 21 is composed of a plurality of silicon steel sheets 210, the silicon steel sheets 210 in the same group are sequentially stacked and welded and fixed, each silicon steel sheet 210 comprises a first magnetic pole 211, a second magnetic pole 212 and a connecting sheet 213 for connecting an inner arc and an outer arc, the first magnetic pole 211 and the second magnetic pole 212 are all arranged in an arc shape, one end of the connecting sheet 213 is connected with the inner arc of the first magnetic pole 211, and one end of the connecting sheet 213 is connected with the outer arc of the second magnetic pole 212. The middle part of the outer arc of the first magnetic pole 211 is provided with a bayonet 214, the silicon steel sheets 210 form notches 215 on two sides of the connecting sheet 213, when assembled, the bayonets 214 of the silicon steel sheets 210 in the same group are aligned with each other to form a clamping groove 216, and the notches 215 of the silicon steel sheets 210 in the same group are aligned with each other to form a winding groove 217.

During assembly, the winding is firstly performed on the winding slots 217 of the single sub-module to form windings, then the sub-modules on the stator 20 are sequentially fixed on different clamping pieces 14 of the shell 10, when the stator is fixed, metal adhesive is injected into the clamping openings 214, the clamping sections 141 of the clamping pieces 14 are clamped in the clamping slots 216 on the iron core body 21, the limiting sections of the clamping pieces 14 can support and limit the sub-modules, so that the mounting positions of the sub-modules on the shell 10 are correct, and after the metal adhesive is solidified, a connecting layer is formed to fix the clamping pieces 14 and the iron core body 21 with each other. It will be appreciated that in other embodiments, the detent tab 14 and the core body 21 may be connected by welding.

The motor convenient for winding has the beneficial effects that: by designing the stator 20 into a plurality of independent sub-modules and winding the sub-modules individually to form windings, the sub-modules completing winding are matched with the clamping pieces 14 in the shell 10, so that the winding efficiency of the stator 20 is effectively improved, the production efficiency is improved, the sub-modules are not interfered with each other during winding, the winding quantity can be increased in the iron core body 21, the magnetic flux is further improved, and the quality of products is improved.

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims

1. The utility model provides a motor convenient to wire winding, includes the casing, installs stator on the casing, with stator complex rotor, install the face lid on the casing, carry out the locating component who supports the rotor, a serial communication port, the casing includes main part and connects in the bottom plate of main part one end, main part is hollow structure setting, surrounds into the holding tank of taking the open-ended between main part and the bottom plate, the casing is connected with a plurality of screens piece on the cell wall of holding tank, the whole back T shape that is of screens piece sets up, and it includes screens section and connects the spacing section in screens section bottom, the stator includes a plurality of submodules, each the submodule includes the iron core body and winds the winding on the iron core body, be equipped with draw-in groove and wire winding groove on the iron core body, the screens piece the screens section card is in the draw-in groove on the iron core body.

2. The motor of claim 1, further comprising a connecting layer, wherein the connecting layer secures the detent tab to the core body.

3. The motor for facilitating winding according to claim 1, wherein the number of the positioning assemblies is two, and the two positioning assemblies support the stator from front and rear positions, respectively; one group of positioning components are arranged on the surface cover, and the other group of positioning components are arranged at one end of the shell far away from the surface cover.

4. The motor of claim 1, wherein the positioning assembly comprises a cover body and a bearing, the middle of the side surface of the cover facing away from the housing is concave to form a mounting groove, the middle of the bottom of the mounting groove is further concave to form an assembly groove, the bearing is arranged in the assembly groove, the cover body is arranged in the mounting groove, and the outer side surface of the cover body and the top surface of the cover facing away from the housing are level with each other.

5. The motor of claim 4, wherein the mounting groove has a first hole in the middle of the groove bottom, a second hole in the middle of the cover body, and a rotating shaft passing through the first hole, the second hole and the bearing is provided on the stator.

6. The motor of claim 5, wherein a stepped surface is formed between the mounting groove and the assembly groove, a notch of the winding assembly groove on the stepped surface is provided with a first waterproof groove, a second waterproof groove is formed on a wall of the second through hole, the positioning assembly further comprises a first sealing strip and a second sealing strip, the first sealing strip is arranged on the first waterproof groove and clamped between the cover main body and the stepped surface, and the second sealing strip is arranged on the second waterproof groove and circumferentially sleeved on the periphery of the rotating shaft.

7. The motor of claim 1, wherein the side of the cover adjacent to the housing is provided with a snap ring, and the snap ring is snapped into the receiving groove when installed.

8. The motor for facilitating winding according to claim 1, wherein the core body is composed of a plurality of silicon steel sheets including a first magnetic pole, a second magnetic pole and a connecting piece; the first magnetic pole is provided with bayonets, the silicon steel sheets form notches at two sides of the connecting sheet, the bayonets among the silicon steel sheets are mutually aligned to form clamping grooves during assembly, and the notches among the silicon steel sheets are mutually aligned to form winding grooves.

9. The motor of claim 8, wherein the first and second poles are each arcuate.

10. The motor of claim 9, wherein the bayonet is provided in a middle portion of the outer arc of the first pole.