CN218603246U

CN218603246U - Motor positioning and assembling structure

Info

Publication number: CN218603246U
Application number: CN202221780832.6U
Authority: CN
Inventors: 袁忠伟; 陈兵华; 祝茜
Original assignee: Zhuhai Xiaozhong Motor Technology Co ltd
Current assignee: Zhuhai Xiaozhong Motor Technology Co ltd
Priority date: 2022-07-11
Filing date: 2022-07-11
Publication date: 2023-03-10
Anticipated expiration: 2032-07-11

Abstract

The utility model discloses a simple structure makes things convenient for coil skeleton positioning's motor location assembly structure. The to-be-solved technical problem of the utility model is realized through following technical means: the utility model provides a motor positioning assembly structure, includes stator housing, one side of stator housing is provided with the mounting groove, be provided with annular coil skeleton in the mounting groove, the centre of coil skeleton is provided with electric motor rotor, be provided with stator core on the coil skeleton, stator core's outer lane is provided with the first cambered surface recess that two positions are relative setting on the surface, stator housing is in the inboard of mounting groove is provided with the second cambered surface recess that two positions are relative setting on the surface, first cambered surface recess with second cambered surface recess is corresponding, first cambered surface recess with cooperate through setting up the cylindricality stopper between the second cambered surface recess. The utility model relates to a brushless motor designs's technical field.

Description

Motor positioning and assembling structure

Technical Field

The utility model relates to a technical field of brushless motor design especially relates to a motor positioning assembly structure.

Background

The small-sized fan motor mainly comprises a stator and a rotor, the stator comprises a stator shell, a coil winding and a stator core, the coil winding and the stator core are installed on a framework, the framework is annular, the coil winding on the framework can be used as an enameled wire leading-out position in one area, in addition, a through hole for the enameled wire to pass through can be designed on the stator shell, however, the framework has a large size and does not have a limit reference outside, the enameled wire leading-out position and the through hole position need to be well aligned when the framework is installed on the stator shell, and therefore the framework is difficult to be well positioned and fixed on the stator shell.

SUMMERY OF THE UTILITY MODEL

In order to solve the defects of the prior art, the utility model provides a simple structure makes things convenient for coil skeleton assembly positioning's motor location assembly structure.

The to-be-solved technical problem of the utility model is realized through following technical means: the utility model provides a motor positioning assembly structure, includes stator housing, one side of stator housing is provided with the mounting groove, be provided with annular coil skeleton in the mounting groove, the centre of coil skeleton is provided with electric motor rotor, be provided with stator core on the coil skeleton, stator core's outer lane is provided with the first cambered surface recess that two positions are relative setting on the surface, stator housing is in the inboard of mounting groove is provided with the second cambered surface recess that two positions are relative setting on the surface, first cambered surface recess with second cambered surface recess is corresponding, first cambered surface recess with cooperate through setting up the cylindricality stopper between the second cambered surface recess.

Furthermore, the coil framework comprises fastening blocks located on two sides of the stator core, and the fastening blocks block two opposite end portions of the first cambered surface groove.

Furthermore, stator core is by a plurality of layers of silicon steel sheet range upon range of the constitution, evenly be provided with a plurality of wire winding groove of stepping down that are used for the wire winding on the stator core.

Further, the second arc-shaped groove is located at the front half part of the stator shell, and the second arc-shaped groove penetrates through the front surface of the stator shell.

Further, electric motor rotor includes the main part, sets up the output pivot of the one end of main part and setting are in the balancing weight link end of the other end of main part, balancing weight link end is used for connecting the balancing weight, balancing weight link end wears out stator housing, stator housing is in balancing weight link end's the department of wearing out is provided with the boss, be provided with a plurality of screws on the terminal surface of boss, the outside of boss is provided with the lid, be provided with on the lid with screw matched with double-screw bolt, be provided with the hall board on the terminal surface of boss, the hall board passes through the screw setting on the boss.

Furthermore, an avoiding groove for avoiding the screw hole is formed in the Hall plate, and a plurality of leading-out holes for leading out the enameled wires are formed in the Hall plate.

Furthermore, the end of the connecting end part of the balancing weight is provided with a plurality of slots, and one end of the balancing weight is provided with a dislocation slot matched with the slots.

Further, the length of the cylindrical limiting block is smaller than that of the first cambered-surface groove.

Further, coil skeleton with be provided with the interval between the bottom of mounting groove, the coil skeleton bottom is provided with a plurality of conflicts to the soft support column of the bottom of mounting groove.

The utility model has the advantages that: the first cambered surface recess of stator core on the coil skeleton and the second cambered surface recess of stator casing between align the cooperation through the cylindricality stopper is corresponding, and first cambered surface recess and second cambered surface recess carry out the screens through the cylindricality stopper moreover and make the relative position's between coil skeleton and the stator casing angle not change, and like this, the coil skeleton just can be positioned on stator casing. After the coil framework is installed on the stator shell according to the corresponding matching of the first cambered surface groove and the second cambered surface groove, the lead-out wire of the coil framework can be corresponding to the through hole, used for leading out wire to penetrate out, of the stator shell.

Drawings

FIG. 1 is a schematic view of the present invention;

fig. 2 is a schematic structural view of another angle of the present invention;

FIG. 3 is a schematic diagram of the first cambered surface groove, the second cambered surface groove and the cylindrical limiting block.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.

As shown in fig. 1 to 3, the utility model relates to a motor positioning assembly structure, it includes stator housing 1, one side of stator housing 1 is provided with mounting groove 2, be provided with annular coil skeleton 3 in mounting groove 2, the centre of coil skeleton 3 is provided with electric motor rotor 4, be provided with stator core 5 on the coil skeleton 3, stator core 5's outer lane is provided with the first cambered surface recess 6 that two positions are relative setting on the surface, stator housing 1 is in the inboard of mounting groove 2 is provided with the second cambered surface recess 7 that two positions are relative setting on the surface, first cambered surface recess 6 with second cambered surface recess 7 is corresponding, first cambered surface recess 6 with cooperate through setting up cylindricality stopper 8 between the second cambered surface recess 7. The corresponding cooperation of aliging through cylindricality stopper 8 between the first cambered surface recess 6 of the stator core 5 on the coil skeleton 3 and the second cambered surface recess 7 of stator housing 1, first cambered surface recess 6 and second cambered surface recess 7 carry out the screens through cylindricality stopper 8 moreover and make the relative position's between coil skeleton 3 and the stator housing 1 angle not change, like this, coil skeleton 3 just can be positioned on stator housing 1. After the coil framework 3 is installed on the stator shell 1 according to the corresponding matching of the first cambered surface groove 6 and the second cambered surface groove 7, the lead-out wire of the coil framework 3 can be corresponding to the through hole of the stator shell 1 for the lead-out wire to penetrate out.

Further, the bobbin 3 includes fastening blocks 9 located at two sides of the stator core 5, and the fastening blocks 9 block two opposite end portions of the first arc-shaped groove 6. First cambered surface recess 6 is located stator core 5's surface, can make coil skeleton 3 to the stator casing 1 assembly back on with the both ends shutoff of first cambered surface recess 6, avoids cylindricality stopper 8 to fall out from first cambered surface recess 6.

Further, stator core 5 is by a plurality of layers of silicon steel sheet range upon range of to form, evenly be provided with a plurality of wire winding groove of stepping down 10 that are used for the wire winding on stator core 5.

Further, the second arc-shaped groove 7 is located in the front half of the stator housing 1, and the second arc-shaped groove 7 penetrates through the front surface of the stator housing 1. One end of the second cambered surface groove 7 is opened, so that the protruded cylindrical limiting block 8 can be smoothly inserted into the second cambered surface groove 7 correspondingly to be assembled correspondingly.

Further, electric motor rotor 4 includes main part 11, sets up output pivot 12 and the setting of the one end of main part 11 are in the balancing weight link end portion 13 of the other end of main part 11, balancing weight link end portion 13 is used for connecting the balancing weight, balancing weight link end portion 13 wears out stator housing 1, stator housing 1 is in balancing weight link end portion 13's department of wearing out is provided with boss 14, be provided with a plurality of screws 15 on the terminal surface of boss 14, the outside of boss 14 is provided with the lid, be provided with on the lid with screw 15 matched with double-screw bolt, be provided with hall board 16 on the terminal surface of boss 14, hall board 16 passes through screw 17 and sets up on boss 14. An avoiding groove 18 for avoiding the screw hole 15 is formed in the Hall plate 16, and a plurality of leading-out holes 19 for leading out enameled wires are formed in the Hall plate 16. The output shaft of the motor rotates, so that the whole motor can be prevented from rotating and shaking when in use by arranging the balancing weight; the Hall plate 16 is directly fixed on the boss 14 through a screw 17, and the boss 14 is a plane so as to be convenient for mounting the Hall plate 16; the lead-out hole 19 of the hall plate 16 is used for leading out the enameled wire for conducting electricity to the outside of the boss 14.

Furthermore, a plurality of slots 20 are arranged at the tail end of the connecting end part 13 of the balancing weight, and a dislocation groove matched with the slots 20 is arranged at one end of the balancing weight. The slot positions between the slot 20 and the staggered slot are staggered and correspond to each other.

Further, the length of the cylindrical limiting block 8 is smaller than that of the first cambered-surface groove 6.

Further, coil skeleton 3 with be provided with the interval between the bottom of mounting groove 2, coil skeleton 3 bottom is provided with a plurality of conflicts to the soft support column of the bottom of mounting groove 2. The soft support columns serve to support the bobbin 3 from colliding with the bottom of the stator housing 1.

It should be noted that the foregoing is only a preferred embodiment of the present invention and the technical principles applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.

Claims

1. The utility model provides a motor positioning assembly structure, its characterized in that, includes stator housing (1), one side of stator housing (1) is provided with mounting groove (2), be provided with annular coil skeleton (3) in mounting groove (2), the centre of coil skeleton (3) is provided with motor rotor (4), be provided with stator core (5) on coil skeleton (3), the outer lane of stator core (5) is provided with first cambered surface recess (6) that two positions are relative setting on the surface, stator housing (1) is in the inboard of mounting groove (2) is provided with second cambered surface recess (7) that two positions are relative setting on the surface, first cambered surface recess (6) with second cambered surface recess (7) are corresponding, first cambered surface recess (6) with cooperate through setting up cylindricality stopper (8) between second cambered surface recess (7).

2. The motor positioning and assembling structure according to claim 1, wherein the coil bobbin (3) comprises fastening blocks (9) positioned at two sides of the stator core (5), and the fastening blocks (9) block two opposite ends of the first cambered grooves (6).

3. The positioning and assembling structure of the motor as claimed in claim 1, wherein the stator core (5) is formed by laminating a plurality of layers of silicon steel sheets, and a plurality of winding abdicating slots (10) for winding are uniformly arranged on the stator core (5).

4. The motor positioning and assembling structure according to claim 1, wherein the second cambered groove (7) is positioned at the front half part of the stator housing (1), and the second cambered groove (7) penetrates to the front surface of the stator housing (1).

5. The motor positioning and assembling structure as claimed in claim 1, wherein the motor rotor (4) comprises a main body (11), an output end rotating shaft (12) arranged at one end of the main body (11), and a counterweight block connecting end portion (13) arranged at the other end of the main body (11), the counterweight block connecting end portion (13) is used for connecting a counterweight block, the counterweight block connecting end portion (13) penetrates through the stator housing (1), a boss (14) is arranged at the penetrating position of the counterweight block connecting end portion (13) of the stator housing (1), a plurality of screw holes (15) are arranged on the end surface of the boss (14), a cover body is arranged outside the boss (14), a stud matched with the screw hole (15) is arranged on the cover body, a hall plate (16) is arranged on the end surface of the boss (14), and the hall plate (16) is arranged on the boss (14) through a screw (17).

6. The motor positioning and assembling structure according to claim 5, wherein an avoiding groove (18) for avoiding the screw hole (15) is formed in the Hall plate (16), and a plurality of leading-out holes (19) for leading out enameled wires are formed in the Hall plate (16).

7. The motor positioning and assembling structure of claim 5, wherein the end of the connection end portion (13) of the balancing weight is provided with a plurality of slots (20), and one end of the balancing weight is provided with a staggered groove matched with the slots (20).

8. The motor positioning and assembling structure as recited in claim 1, wherein the length dimension of the cylindrical stopper (8) is smaller than the length dimension of the first cambered groove (6).

9. The motor positioning and assembling structure of claim 1, wherein a space is arranged between the coil bobbin (3) and the bottom of the mounting groove (2), and a plurality of soft supporting columns which are abutted to the bottom of the mounting groove (2) are arranged at the bottom of the coil bobbin (3).