CN218183091U - Stator structure of direct-current brushless permanent magnet motor - Google Patents
Stator structure of direct-current brushless permanent magnet motor Download PDFInfo
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- CN218183091U CN218183091U CN202121640346.XU CN202121640346U CN218183091U CN 218183091 U CN218183091 U CN 218183091U CN 202121640346 U CN202121640346 U CN 202121640346U CN 218183091 U CN218183091 U CN 218183091U
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Abstract
The utility model discloses a brushless permanent-magnet machine's of direct current stator structure, including the brushless permanent-magnet machine body of direct current, the brushless permanent-magnet machine body of direct current includes the pivot, a bearing, stator module, the rotor subassembly, rear end housing and front end housing, the pivot is passed through the bearing and is rotated the inside of installing at rear end housing and front end housing, install the rotor subassembly in the pivot, install stator module on the interior terminal surface of rear end housing and front end housing, stator module's internally mounted has the rotor subassembly, the adjacent tip of rear end housing and front end housing passes through screw cooperation nut locking connection, the spacing groove has been seted up to the adjacent tip of rear end housing and front end housing, the pivot is passed through the bearing and is connected with adjacent rear end housing and front end housing rotation, still keep the ware including the stator that is used for fixing a position the inside stator module of rear end housing and front end housing. The utility model discloses in the time of can accelerating the heat dissipation, the heat when improving the use efficiency that scatters and disappears, the stator is fixed a position at the inside position of permanent magnet brushless motor simultaneously, and the stability of stator when promoting the use is convenient for install spacingly.
Description
Technical Field
The utility model relates to a brushless permanent-magnet machine technical field of direct current especially relates to a brushless permanent-magnet machine's of direct current stator structure.
Background
The permanent magnet brushless direct current motor is small and exquisite, is ubiquitous, is widely applied, almost extends to various fields of aerospace, national defense, industrial and agricultural production and daily life, and generally consists of a motor body, an electronic switch circuit and a rotor position sensor.
All use direct current brushless permanent magnet motor among current smoke ventilator and the new energy automobile air conditioner motor, but current motor stator lamination is the key spare part in the motor, it has direct image to the efficiency of motor, current motor stator lamination heat radiating area is few, can not take away the heat that stator core produced effectively fast, very easily collect the rising, influence the normal use of motor, burn out the motor even, current stator module and few dedicated stator keep the ware simultaneously, later stage can not the chucking location stator module.
Therefore, the stator structure of the direct-current brushless permanent magnet motor is needed, so that heat dissipation can be accelerated, heat dissipation efficiency during use is improved, the position of the stator inside the permanent magnet brushless motor is located, stability of the stator during use is improved, and installation is convenient to limit.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a brushless permanent-magnet machine's of direct current stator structure, it is the key spare part in the motor to aim at improving current motor stator towards the piece, it has direct image to the efficiency of motor, current motor stator is few towards piece heat radiating area, can not take away the heat that stator core produced effectively fast, very easily collect and rise, influence the normal use of motor, burn out the motor even, current stator module and few dedicated stator keep ware simultaneously, later stage can not chucking location stator module's problem.
The utility model discloses a realize like this:
the utility model provides a DC brushless permanent-magnet machine's stator structure, including the DC brushless permanent-magnet machine body, the DC brushless permanent-magnet machine body includes the pivot, a bearing, stator module, the rotor subassembly, rear end housing and front end housing, the pivot is passed through the inside that the bearing rotated the installation at rear end housing and front end housing, install the rotor subassembly in the pivot, install stator module on the interior terminal surface of rear end housing and front end housing, stator module's internally mounted has the rotor subassembly, the adjacent tip of rear end housing and front end housing passes through screw fit nut locking connection, the spacing groove has been seted up to the adjacent tip of rear end housing and front end housing, the pivot is passed through the bearing and is connected with adjacent rear end housing and front end housing rotation, still keep the ware including the stator that is used for fixing a position the inside stator module of rear end housing and front end housing.
Further, stator module includes the skeleton that stator core and insulating material made, and the skeleton setting evenly installs a plurality of stator cores in the inside of rear end housing and front end housing on the skeleton, and stator core is formed by a plurality of stator punching combinations.
Furthermore, a plurality of insulation grooves are uniformly formed in two sides of the framework, an insulation cylinder is fixedly sleeved on the outer circumference of the framework, and a plurality of winding frames are uniformly arranged inside the framework.
Further, all twine on the bobbin of skeleton has the group, and the group wire setting of skeleton is in the insulating groove, and the group wire of skeleton is tied up through the line band and is tied up, and the group wire of skeleton is tied up through the bandage and is tied up on the skeleton.
Furthermore, run through both sides terminal surface on the outer periphery of stator punching and seted up outer radiating groove, outer radiating groove evenly sets up a plurality ofly along the outer circumferencial direction of stator punching, runs through both sides terminal surface on the inner circumferential surface of stator punching and has seted up interior radiating groove, and interior radiating groove evenly sets up a plurality ofly along the interior circumference direction of stator punching.
Furthermore, a plurality of radiating hole grooves are formed in the side end face of the stator punching sheet in a horizontal penetrating mode, the plurality of radiating hole grooves are evenly formed in the outer circumferential direction of the stator punching sheet, a plurality of positioning holes are evenly formed in the side end face of the stator punching sheet in a horizontal mode, and the positioning holes in the stator punching sheet are connected with the framework through the positioning rods.
Furthermore, a cable sheath penetrates through the bottom surface of the front end cover, a power line extending from the inner portions of the rear end cover and the front end cover penetrates through the cable sheath, and a terminal is welded at the end portion of the power line.
Furthermore, the power line comprises a first line group, a second line group and a third line group, and the first line group, the second line group and the third line group are sequentially wound on the winding frames on the adjacent frameworks.
Furthermore, the stator retainer comprises an inserting cylinder and a clamping cylinder, the inserting cylinder is used for limiting the inside of the clamping cylinder in an inserting and inserting mode, and the inserting cylinder and the clamping cylinder are assembled and limited and fixed in limiting grooves formed in the inner walls of the rear end cover and the front end cover.
Furthermore, a plurality of locating piece grooves are evenly formed in the outer circumference of the inserting cylinder, locating pieces are installed in the locating piece grooves of the inserting cylinder and made of elastic materials, one end of each locating piece is fixed in the locating piece groove of the inserting cylinder, a clamping groove is evenly formed in the inner circumference of the clamping cylinder, the clamping groove of the clamping cylinder is matched with the locating piece groove clamping connection on the inserting cylinder in a clamping mode, a first locating ring is fixed to one end of the inserting cylinder and installed in the limiting groove of the rear end cover, a second locating ring is fixed to one end of the clamping cylinder, and the second locating ring is installed in the limiting groove of the front end cover.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses when using this brushless permanent-magnet machine's of direct current stator structure, at first establish the insulating cylinder with stator module's external fixation cover, then insert stator module on the section of thick bamboo of inserting that stator holder kept, then keep the card section of thick bamboo joint in the stator in the outside of inserting a section of thick bamboo, then install the rotor subassembly in the pivot, through running through the rotor subassembly in the inner circle of grafting at stator module's skeleton, then rotate through the bearing respectively in the both sides of pivot and connect equipment rear end housing and front end housing, then through screw fit nut and gasket assembled connection rear end housing and front end housing, and the spacing joint stator holder of spacing groove through rear end housing and front end housing, spacing stator module's position, stator core adopts a plurality of stator to constitute towards the piece simultaneously, through having seted up outer radiating groove on the stator towards the piece, radiating hole groove and interior radiating groove, accelerate the heat dissipation, avoid the heat to pile up, reduce the iron core heat, thereby can accelerate the radiating while, improve the thermal efficiency when using, the position of stator is inside the location when permanent-magnet brushless motor scatters, the stability of the stator is lost, the stator is convenient for the use.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic view of the overall structure of a stator structure of a dc brushless permanent magnet motor;
figure 2 is an overall side view of the stator structure of a dc brushless permanent magnet machine;
FIG. 3 is a side view of a stator assembly in an embodiment of a stator structure for a DC brushless permanent magnet electric machine;
FIG. 4 is a front view of terminals in an embodiment of a stator structure for a DC brushless permanent magnet motor;
figure 5 is a front view of a stator assembly in an embodiment of a stator structure for a dc brushless permanent magnet motor;
figure 6 is a structural schematic diagram of a vertical cross-section of a stator assembly in an embodiment of a stator structure for a dc brushless permanent magnet machine;
figure 7 is a schematic diagram of the winding of the wire windings in the stator assembly of an embodiment of the stator structure of the dc brushless permanent magnet motor;
figure 8 is a schematic diagram of a stator lamination in a stator assembly of an embodiment of a stator structure of a dc brushless permanent magnet machine;
figure 9 is a schematic view of a stator holder in an embodiment of a stator structure for a dc brushless permanent magnet machine;
figure 10 is an exploded view of a stator holder in an embodiment of a stator structure for a dc brushless permanent magnet motor;
fig. 11 is a structural diagram of a framework in an embodiment of a stator structure of a dc brushless permanent magnet motor.
In the figure: 1. a rotating shaft; 11. a gasket; 12. a retainer ring; 13. a wave spring washer; 2. A bearing; 3. a stator assembly; 31. a stator core; 32. an insulating groove; 33. a wire tying belt; 34. winding; 35. binding bands; 36. an insulating cylinder; 37. a framework; 371. a bobbin; 38. stator punching sheets; 381. an outer heat sink; 382. a heat dissipation hole slot; 383. an inner heat sink; 384. positioning holes; 4. a rotor assembly; 5. a rear end cap; 6. a front end cover; 7. a screw; 8. a cable jacket; 9. a power line; 91. a first wire set; 92. a second wire set; 93. a third wire group; 10. a terminal; 14. a stator holder; 141. inserting a cylinder; 142. a positioning sheet groove; 143. positioning plates; 145. clamping the cylinder; 146. a card slot; 147. A second retaining ring.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are 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 work belong to the protection scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments of 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.
Referring to fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6, fig. 7, fig. 8, fig. 9, fig. 10 and fig. 11, a stator structure of a dc brushless permanent magnet motor includes a dc brushless permanent magnet motor body, the dc brushless permanent magnet motor body includes a rotating shaft 1, a bearing 2, a stator assembly 3, a rotor assembly 4, a rear end cover 5 and a front end cover 6, the rotating shaft 1 is rotatably mounted inside the rear end cover 5 and the front end cover 6 through the bearing 2, the rotor assembly 4 is mounted on the rotating shaft 1, the stator assembly 3 is mounted on inner end faces of the rear end cover 5 and the front end cover 6, the rotor assembly 4 is mounted inside the stator assembly 3, adjacent ends of the rear end cover 5 and the front end cover 6 are locked and connected through a screw 7 and a nut, a limit groove is formed on adjacent ends of the rear end cover 5 and the front end cover 6, the rotating shaft 1 is rotatably connected with the adjacent rear end cover 5 and the front end cover 6 through the bearing 2, a washer 11 is arranged inside the rotating shaft 1 and the front end cover 6, the rotating shaft 1 and the rear end cover 5 are connected with a wave spring washer 13 through a retainer 12, and a stator 14 for positioning the stator assembly 3 inside the rear end cover 6.
When the stator structure of the dc brushless permanent magnet motor is used, firstly, the insulating cylinder 36 is sleeved on the outer fixing sleeve of the stator assembly 3, then the stator assembly 3 is inserted into the insertion cylinder 141 of the stator holder 14, then the clamping cylinder 145 in the stator holder 14 is clamped outside the insertion cylinder 141, then the rotor assembly 4 is installed on the rotating shaft 1, the rotor assembly 4 is inserted into the inner ring of the framework 37 of the stator assembly 3 in a penetrating manner, then the assembled rear end cover 5 and the front end cover 6 are rotatably connected through the bearing 2 at two sides of the rotating shaft 1 respectively, then the rear end cover 5 and the front end cover 6 are assembled through the screw 7 and the nut and the gasket, and the stator holder 14 is clamped in a limiting manner through the limiting grooves of the rear end cover 5 and the front end cover 6, so as to limit the position of the stator assembly, meanwhile, the stator core 31 is composed of a plurality of stator laminations 38, an outer heat dissipation groove 381, a heat dissipation hole groove 382 and an inner heat dissipation groove 383 are formed in the stator laminations 38, so as to accelerate heat dissipation and avoid heat accumulation and reduce the heat loss of the core, thereby accelerating heat dissipation of the heat dissipation while improving the heat efficiency when the stator structure is used, and the stability of the brushless permanent magnet motor is convenient to install the stator.
Referring to fig. 3, the stator assembly 3 includes a stator core 31 and a framework 37 made of an insulating material, the framework 37 is disposed inside the rear end cover 5 and the front end cover 6, the plurality of stator cores 31 are uniformly mounted on the framework 37, and the stator core 31 is formed by combining a plurality of stator punching sheets 38.
And then set up in the inside of rear end housing 5 and front end housing 6 through skeleton 37, evenly install a plurality of stator core 31 on skeleton 37, stator core 31 is formed by the combination of a plurality of stator punching sheets 38 to when guaranteeing the magnetic flux, dispersedly install a plurality of stator core 31 and group 34.
Referring to fig. 11, a plurality of insulation grooves 32 are uniformly formed on both sides of a framework 37, an insulation cylinder 36 is fixedly sleeved on an outer circumference of the framework 37, and a plurality of bobbins 371 are uniformly formed inside the framework 37.
And then evenly be provided with a plurality of insulation tanks 32 through the both sides of skeleton 37 for lead and send installation wire winding cable, fixed cover is equipped with insulating cylinder 36 on the outer circumference of skeleton 37, improves the holistic insulating nature of group 34, and the inside of skeleton 37 evenly is provided with a plurality of bobbins 371, is convenient for install group 34.
Referring to fig. 3, wire groups 34 are wound on the bobbins 371 of the bobbin 37, wires of the wire groups 34 of the bobbin 37 are disposed in the insulation groove 32, the wires of the wire groups 34 of the bobbin 37 are bound by the binding belt 33, and the wires of the wire groups 34 of the bobbin 37 are bound on the bobbin 37 by the binding belt 35.
And then all twine on the bobbin 371 through skeleton 37 and have line group 34, the line group 34 wire of skeleton 37 sets up in insulating groove 32, and the line group 34 wire of skeleton 37 ties up through cable tie 33, and the line group 34 wire of skeleton 37 ties up on skeleton 37 through bandage 35 to guarantee the stability of establishing around of cable, avoid the cable messy.
Referring to fig. 7, the outer circumferential surface of the stator lamination 38 penetrates through the two side end surfaces to form a plurality of outer heat dissipation grooves 381, the outer heat dissipation grooves 381 are uniformly arranged along the outer circumferential direction of the stator lamination 38, the inner circumferential surface of the stator lamination 38 penetrates through the two side end surfaces to form a plurality of inner heat dissipation grooves 383, and the inner heat dissipation grooves 383 are uniformly arranged along the inner circumferential direction of the stator lamination 38.
Furthermore, the outer circumferential surface of the stator lamination 38 is provided with outer heat dissipation grooves 381 by penetrating through the end surfaces of the two sides, the outer heat dissipation grooves 381 are uniformly arranged in a plurality along the outer circumferential direction of the stator lamination 38, the inner circumferential surface of the stator lamination 38 is provided with inner heat dissipation grooves 383 by penetrating through the end surfaces of the two sides, the inner heat dissipation grooves 383 are uniformly arranged in a plurality along the inner circumferential direction of the stator lamination 38, the outer heat dissipation grooves 381 and the inner heat dissipation grooves 383 which are arranged on the inner and outer circumferences of the stator lamination 38 increase the contact area with air, an air flow channel is provided, and the outer heat dissipation flow rate of the air is accelerated.
Referring to fig. 7, a plurality of heat dissipation hole slots 382 are horizontally formed through the other end surface of the side end surface of the stator lamination 38, the plurality of heat dissipation hole slots 382 are uniformly arranged along the outer circumferential direction of the stator lamination 38, a plurality of positioning holes 282 are horizontally and uniformly formed in the side end surface of the stator lamination 38, and the positioning holes 282 in the stator lamination 38 are connected with the framework 37 through positioning rods.
Furthermore, a plurality of heat dissipation hole grooves 382 are horizontally formed in the side end face of the stator punching sheet 38 and penetrate through the other side end face, the plurality of heat dissipation hole grooves 382 are uniformly arranged along the outer circumferential direction of the stator punching sheet 38, a plurality of positioning holes 282 are horizontally formed in the side end face of the stator punching sheet 38, the positioning holes 282 in the stator punching sheet 38 are connected with the framework 37 through positioning rods, an internal air flow channel is formed through the heat dissipation hole grooves 382, air heat dissipation is accelerated, meanwhile, a plurality of positioning holes 282 are horizontally and uniformly formed in the side end face of the stator punching sheet 38, and the stator punching sheet 38 is conveniently positioned and installed on the framework 37 in a later stage.
Referring to fig. 2, a cable sheath 8 is connected to a bottom surface of the front end cover 6 in a penetrating manner, a power line 9 extending from an inner portion of the rear end cover 5 and the front end cover 6 is sleeved in the cable sheath 8 in a penetrating manner, and a terminal 10 is welded to an end portion of the power line 9.
And then through the through connection on the bottom surface of front end housing 6 have cable sheath 8, run through the cover in the cable sheath 8 and be equipped with the power cord 9 that extends from the inside of rear end housing 5 and front end housing 6, be convenient for protect direction power cord 9, the tip welding of power cord 9 has terminal 10, the connecting terminal 10 of being convenient for.
Referring to fig. 2, the power line 9 includes a first line group 91, a second line group 92 and a third line group 93, and the first line group 91, the second line group 92 and the third line group 93 are sequentially wound on the bobbins 371 of the adjacent bobbins 37.
And is sequentially wound on the bobbins 371 on the adjacent bobbins 37 by the first wire group 91, the second wire group 92 and the third wire group 93, thereby being sequentially wound on the bobbins 37.
Referring to fig. 9 and 10, the stator holder 14 includes an insertion cylinder 141 and a locking cylinder 145, the insertion cylinder 141 limits the inside of the locking cylinder 145, and the insertion cylinder 141 and the locking cylinder 145 are assembled and limited and fixed in the limiting grooves adjacent to the inner walls of the rear end cover 5 and the front end cover 6.
Furthermore, the insertion tube 141 and the clamping tube 145 are limited to be inserted into the clamping tube 145, and the insertion tube 141 and the clamping tube 145 are assembled and limited to be fixed in the limiting grooves adjacent to the inner walls of the rear end cover 5 and the front end cover 6, so that the insertion tube 141 and the clamping tube 145 on the stator holder 14 are positioned and clamped.
Referring to fig. 9 and 10, a plurality of positioning plate grooves 142 are uniformly formed in the outer circumference of the insertion tube 141, positioning plates 143 are mounted in the positioning plate grooves 142 of the insertion tube 141, the positioning plates 143 are made of an elastic material, one end of each positioning plate 143 is fixed in the positioning plate groove 142 of the insertion tube 141, a locking groove 146 is uniformly formed in the inner circumference of the locking tube 145, the locking groove 146 of the locking tube 145 is in locking fit with the positioning plate groove 142 of the insertion tube 141, a first positioning ring 144 is fixed at one end of the insertion tube 141, the first positioning ring 144 is mounted in the limiting groove of the rear end cap 5, a second positioning ring 147 is fixed at one end of the locking tube 145, and the second positioning ring 147 is mounted in the limiting groove of the front end cap 6.
Furthermore, a plurality of positioning sheet grooves 142 are uniformly formed in the outer circumference of the insertion tube 141, positioning sheets 143 are mounted in the positioning sheet grooves 142 of the insertion tube 141, the positioning sheets 143 are made of elastic materials, one ends of the positioning sheets 143 are fixed in the positioning sheet grooves 142 of the insertion tube 141, clamping grooves 146 are uniformly formed in the inner circumference of the clamping tube 145, the clamping grooves 146 of the clamping tube 145 are in clamping fit with the positioning sheet grooves 142 on the insertion tube 141, so that the insertion tube 141 and the clamping tube 145 are clamped and positioned in an inserting manner, a first positioning ring 144 is fixed at one end of the insertion tube 141, the first positioning ring 144 is mounted in a limiting groove of the rear end cover 5, a second positioning ring 147 is fixed at one end of the clamping tube 145, and the second positioning ring 147 is mounted in a limiting groove of the front end cover 6, so that the rear end cover 5 and the front end cover 6 are installed in a limiting manner.
The working principle is as follows: when the stator structure of the dc brushless permanent magnet motor is used, firstly, the insulating cylinder 36 is sleeved outside the stator assembly 3, then the stator assembly 3 is inserted into the insertion cylinder 141 of the stator holder 14, then the clamping cylinder 145 in the stator holder 14 is clamped outside the insertion cylinder 141, then the rotor assembly 4 is installed on the rotating shaft 1, the rotor assembly 4 is inserted into the inner ring of the framework 37 of the stator assembly 3, then the rear end cover 5 and the front end cover 6 are connected and assembled on two sides of the rotating shaft 1 through the bearings 2 in a rotating manner, then the rear end cover 5 and the front end cover 6 are assembled and connected through the screws 7 and the matching nuts and the gaskets, the stator holder 14 is clamped and connected in a limiting manner through the limiting grooves of the rear end cover 5 and the front end cover 6, the position of the stator assembly is limited, meanwhile, the stator core 31 is composed of a plurality of stator laminations 38, an outer heat dissipation groove 381, a heat dissipation groove 382 and an inner heat dissipation groove 383 are formed on the stator laminations 38, heat dissipation is accelerated, heat accumulation is avoided, heat dissipation is reduced, heat dissipation is accelerated, heat dissipation efficiency in use is improved, and stability of the brushless permanent magnet motor is convenient to install.
The device that obtains through above-mentioned design has satisfied one kind basically and can accelerate the heat dissipation in the time, and the heat efficiency that scatters and disappears when improving the use, fixes a position the stator in permanent magnet brushless motor inside position simultaneously, promotes the stability of stator when using, is convenient for install spacing direct current brushless permanent magnet motor's stator structure's use, but at the purpose of further perfecting its function, the designer has carried out further improvement to the device.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a brushless permanent-magnet machine's of direct current stator structure, includes the brushless permanent-magnet machine body of direct current, the brushless permanent-magnet machine body of direct current includes pivot (1), bearing (2), stator module (3), rotor subassembly (4), rear end cap (5) and front end housing (6), pivot (1) is rotated through bearing (2) and is installed rear end cap (5) with the inside of front end housing (6), install rotor subassembly (4) on pivot (1), rear end cap (5) with install stator module (3) on the interior terminal surface of front end housing (6), the internally mounted of stator module (3) has rotor subassembly (4), rear end cap (5) with the adjacent tip of front end housing (6) passes through screw (7) cooperation nut locking connection, rear end cap (5) with the spacing groove has been seted up to the adjacent tip of front end housing (6), its characterized in that: also included is a stator holder (14) for positioning the stator assembly (3) inside the back end cap (5) and the front end cap (6).
2. The stator structure of the direct-current brushless permanent magnet motor according to claim 1, wherein the stator assembly (3) comprises a stator core (31) and a framework (37) made of insulating materials, the framework (37) is arranged inside the rear end cover (5) and the front end cover (6), the framework (37) is uniformly provided with a plurality of stator cores (31), and the stator cores (31) are formed by combining a plurality of stator punching sheets (38).
3. The stator structure of a dc brushless permanent magnet motor according to claim 2, wherein a plurality of insulation slots (32) are uniformly formed on both sides of the frame (37), an insulation cylinder (36) is fixedly sleeved on the outer circumference of the frame (37), and a plurality of bobbins (371) are uniformly formed inside the frame (37).
4. A stator structure of a dc brushless permanent magnet motor according to claim 3, wherein the bobbin (371) of the bobbin (37) is wound with wire groups (34), wires of the wire groups (34) of the bobbin (37) are disposed in the insulation groove (32), wires of the wire groups (34) of the bobbin (37) are bound by a wire binding band (33), and wires of the wire groups (34) of the bobbin (37) are bound on the bobbin (37) by a binding band (35).
5. The stator structure of the brushless permanent magnet motor of claim 2, wherein the outer circumferential surface of the stator lamination (38) is provided with a plurality of outer heat dissipation grooves (381) through two side end surfaces, the plurality of outer heat dissipation grooves (381) are uniformly arranged along the outer circumferential direction of the stator lamination (38), the inner circumferential surface of the stator lamination (38) is provided with a plurality of inner heat dissipation grooves (383) through two side end surfaces, and the plurality of inner heat dissipation grooves (383) are uniformly arranged along the inner circumferential direction of the stator lamination (38).
6. The stator structure of the brushless permanent magnet motor of claim 5, wherein a plurality of heat dissipation hole slots (382) are horizontally formed in the side end face of the stator lamination (38) through the other side end face, the plurality of heat dissipation hole slots (382) are uniformly arranged along the outer circumferential direction of the stator lamination (38), a plurality of positioning holes (282) are horizontally and uniformly formed in the side end face of the stator lamination (38), and the positioning holes (282) in the stator lamination (38) are connected with the framework (37) through positioning rods.
7. The stator structure of the direct current brushless permanent magnet motor according to claim 6, wherein a cable sheath (8) is connected to the bottom surface of the front end cover (6) in a penetrating manner, a power line (9) extending from the inside of the rear end cover (5) and the front end cover (6) is sleeved in the cable sheath (8) in a penetrating manner, and a terminal (10) is welded to the end of the power line (9).
8. A stator structure of a DC brushless permanent magnet motor according to claim 7, characterized in that the power line (9) comprises a first line group (91), a second line group (92) and a third line group (93), the first line group (91), the second line group (92) and the third line group (93) are wound on the bobbin (371) adjacent to the bobbin (37) in sequence.
9. The stator structure of the brushless permanent magnet motor of claim 1, wherein the stator holder (14) comprises an inserting cylinder (141) and a clamping cylinder (145), the inserting cylinder (141) is inserted into the clamping cylinder (145) in a limited manner, and the inserting cylinder (141) and the clamping cylinder (145) are assembled and fixed in limit grooves formed in the adjacent inner walls of the rear end cover (5) and the front end cover (6) in a limited manner.
10. The stator structure of the dc brushless permanent magnet motor according to claim 9, wherein a plurality of positioning plate grooves (142) are uniformly formed on an outer circumference of the insertion cylinder (141), positioning plates (143) are mounted in the positioning plate grooves (142) of the insertion cylinder (141), the positioning plates (143) are made of elastic material, one end of each positioning plate (143) is fixed in the positioning plate groove (142) of the insertion cylinder (141), a clamping groove (146) is uniformly formed on an inner circumference of the clamping cylinder (145), the clamping groove (146) of the clamping cylinder (145) is in clamping fit with the positioning plate groove (142) of the insertion cylinder (141), a first positioning ring (144) is fixed at one end of the insertion cylinder (141), the first positioning ring (144) is mounted in the limiting groove of the rear end cap (5), a second positioning ring (147) is fixed at one end of the clamping cylinder (145), and the second positioning ring (147) is mounted in the limiting groove of the front end cap (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121640346.XU CN218183091U (en) | 2021-07-19 | 2021-07-19 | Stator structure of direct-current brushless permanent magnet motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121640346.XU CN218183091U (en) | 2021-07-19 | 2021-07-19 | Stator structure of direct-current brushless permanent magnet motor |
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| Publication Number | Publication Date |
|---|---|
| CN218183091U true CN218183091U (en) | 2022-12-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121640346.XU Active CN218183091U (en) | 2021-07-19 | 2021-07-19 | Stator structure of direct-current brushless permanent magnet motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218183091U (en) |
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2021
- 2021-07-19 CN CN202121640346.XU patent/CN218183091U/en active Active
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