CN217607570U

CN217607570U - Brushless direct current motor easy to maintain

Info

Publication number: CN217607570U
Application number: CN202221697942.6U
Authority: CN
Inventors: 阮飞
Original assignee: Changzhou Samid Electromechanical Equipment Co ltd
Current assignee: Changzhou Samid Electromechanical Equipment Co ltd
Priority date: 2022-07-01
Filing date: 2022-07-01
Publication date: 2022-10-18
Anticipated expiration: 2032-07-01

Abstract

The utility model relates to the technical field of electric motor, an easy to maintain's brushless DC motor is disclosed, the on-line screen storage device comprises a base, the upper cover, stator core, the coil winding, the rotor, the permanent magnet, the apparatus further comprises a rotating shaft, bearing and nut, the protruding drum that is equipped with of upper end of base, stator core's centre is equipped with a through-hole, the through-hole cover is located on the periphery wall of drum, and stator core and drum fixed connection, the permanent magnet sets up on the internal perisporium of rotor respectively at the interval, the rotor rotationally overlaps and locates on stator core's the periphery wall, the lower extreme wall of rotor is connected with the upper end wall interval of upper cover, the bearing sets up respectively in the both ends of pivot, the upper end and the lower tip of the internal perisporium of drum are concave storage tank respectively, the bearing inlays respectively and locates in the storage tank, the upper end of rotor is located to upper cover detachably lid, the upper end of pivot and the lower extreme wall fixed connection of upper cover. The utility model discloses can make the maintenance of motor maintain convenient and fast more, and easy operation, the practicality is strong.

Description

Brushless direct current motor easy to maintain

Technical Field

The utility model relates to the technical field of motors, in particular to easy to maintain's brushless DC motor.

Background

The brushless dc motor is a motor without a brush and a commutator (or a collector ring), and is also called a commutator-free motor, and the brushless dc motor has the performance of fast response, large starting torque, and providing rated torque from zero rotation speed to rated rotation speed.

However, the existing brushless dc motor is cumbersome to assemble and disassemble, and inconvenience is brought to the maintenance of the motor.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims at providing an easy to maintain's brushless DC motor, aim at solving current brushless DC motor assembly and dismantle comparatively loaded down with trivial details, the technical problem who brings inconvenience is maintained in the maintenance for the motor.

In order to achieve the above object, the utility model provides an easy to maintain's brushless DC motor, including base, upper cover, stator core, coil winding, rotor, permanent magnet, pivot, bearing and nut, the protruding drum that is equipped with of upper end of base, stator core's centre is equipped with a through-hole, the through-hole cover is located on the periphery wall of drum, just stator core with drum fixed connection, stator core's periphery wall is equipped with a plurality of wire winding portions along the circumferencial direction is protruding, the coil winding respectively the coiling in on the wire winding portion, the permanent magnet set up respectively at intervals in on the internal perisporium of rotor, the rotor rotationally overlaps on locating stator core's periphery wall, just the internal perisporium of permanent magnet with stator core's periphery wall interval connection, the lower extreme wall of rotor with the upper end wall interval connection of upper cover, the bearing set up respectively in the both ends of pivot, the upper end and the lower extreme of internal perisporium of drum are respectively concave and are equipped with a storage tank, the bearing inlays respectively and locates in the storage tank, upper end of upper cover detachably of rotor, and along the heat dissipation screw thread portion of the fixed upper end of rotor, the lower extreme of pivot with the fixed post lid and the heat dissipation end of second screw thread cover are equipped with the upper end wall of second screw thread portion on the base.

Furthermore, a plurality of first limiting bulges are convexly arranged on the lower end wall of the upper cover at intervals along the circumferential direction, an inserting groove is formed between every two adjacent permanent magnets, the first limiting bulges are respectively and detachably embedded in the inserting groove, and the first limiting bulges are respectively and fixedly connected with the inner circumferential wall of the rotor.

Furthermore, the heat dissipation structure further comprises a fastening screw, an inserting hole is concavely formed in the lower end wall of the upper cover, the upper end portion of the rotating shaft is detachably embedded in the inserting hole, a first threaded hole communicated with the inserting hole is concavely formed in the bottom of the second heat dissipation groove, the fastening screw is screwed in the first threaded hole, and the front end portion of the fastening screw can be abutted to the outer peripheral wall of the upper end portion of the rotating shaft.

Furthermore, the periphery wall of the upper end of the rotating shaft is concavely provided with a first limit groove, and the front end of the fastening screw can be abutted against the bottom of the first limit groove.

Furtherly still includes E type jump ring, the lower tip periphery wall of pivot is concave to be equipped with a draw-in groove that extends along the circumferencial direction, E type jump ring detachably card is located set up in the draw-in groove, just the upper end wall of E type jump ring with the lower terminal wall butt of bearing sets up.

Furthermore, a plurality of second threaded holes are concavely formed in the lower end wall of the base along the circumferential direction.

Further, the protruding second that extends along the axial direction that is equipped with of periphery wall of drum is protruding, the internal perisporium of through-hole be equipped with one with the second spacing groove of the spacing protruding looks adaptation of second, the spacing protruding detachably of second inlays to be located set up in the second spacing inslot.

Furthermore, the stator core is formed by laminating a plurality of silicon steel sheets.

Further, the base and the upper cover are both made of aluminum alloy materials.

Adopt the technical scheme of the utility model, following beneficial effect has: the technical scheme of the utility model, protruding drum that is equipped with of upper end through the base, stator core's centre is equipped with a through-hole, the through-hole cover is located on the periphery wall of drum, and stator core and drum fixed connection, stator core's periphery wall is equipped with a plurality of wire winding portions along the circumferencial direction is protruding, coil winding is respectively on the wire winding portion, the permanent magnet sets up on the internal perisporium of rotor respectively at the interval, the rotor rotationally overlaps and locates on stator core's periphery wall, and the internal perisporium of permanent magnet and stator core's periphery wall interval connection, the lower terminal wall of rotor is connected with the upper end wall interval of upper cover, the bearing sets up respectively in the both ends of pivot, the upper end and the lower tip of the internal perisporium of drum are concave respectively to be equipped with a storage tank, the bearing inlays respectively and locates in the storage tank, upper end of rotor is located to upper cover detachably lid, and rotate along with the rotor, the upper end wall fixed connection of pivot, thereby make the assembly of motor more local convenient and swift, the assembly efficiency of motor has been improved, and the assembly is reliable, when the motor needs to overhaul when dismantling the screw, only need loosen the fastening and take off the E type jump ring, thereby the base, thereby make the base operation practicality is strong, and the convenience is convenient for the motor is convenient for the maintenance, and the convenience is convenient for the motor is convenient for the dismantlement, and convenient for the maintenance, and convenient for the motor is strong, and convenient for the maintenance, and convenient for the motor is convenient for the maintenance, and convenient for the maintenance.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is a schematic diagram of an overall structure of a brushless dc motor easy to maintain according to the present invention;

fig. 2 is a schematic view of the overall structure of another view angle of the easy-to-maintain brushless dc motor according to the present invention;

fig. 3 is an exploded schematic view of an easy-to-maintain brushless dc motor according to the present invention;

fig. 4 is another exploded schematic view of a brushless dc motor easy to maintain according to the present invention.

The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.

It should be noted that all the directional indicators (such as upper, lower, left, right, front, and rear … …) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

The utility model provides an easy to maintain's brushless DC motor.

As shown in fig. 1 to 4, in an embodiment of the present invention, the easy-to-maintain brushless dc motor includes a base 101, an upper cover 102, a stator core 103, a coil winding 104, a rotor 105, a permanent magnet 106, a rotating shaft 107, a bearing 108, and a nut 109, a cylinder 1011 is convexly disposed at an upper end of the base, a through hole 1031 is disposed in the middle of the stator core, the through hole is sleeved on the outer peripheral wall of the cylinder, the stator core is fixedly connected to the cylinder, a plurality of winding portions 1032 are convexly disposed along a circumferential direction at the outer peripheral wall of the stator core, the coil winding is respectively wound on the winding portions, the permanent magnet is respectively disposed on the inner peripheral wall of the rotor at intervals, the rotor is rotatably sleeved on the outer peripheral wall of the stator core, the inner peripheral wall of the permanent magnet is connected to the outer peripheral wall of the stator core at intervals, the lower end wall of the rotor is connected to the upper end wall of the upper cover at intervals, the bearing is respectively disposed at two ends of the rotating shaft, an upper end portion and a lower end portion of the rotor is respectively disposed on an upper end wall of the rotating shaft, and a lower end portion of the rotating screw thread of the upper end cap 111 and a lower end portion of the rotating screw thread of the rotating shaft are disposed on the upper end wall of the upper end cap along a lower end wall of the rotating shaft.

Specifically, the lower end wall of the upper cover is convexly provided with a plurality of first limiting protrusions 1022 at intervals along the circumferential direction, an insertion groove 112 is formed between two adjacent permanent magnets, the first limiting protrusions are respectively detachably embedded in the insertion groove, and the first limiting protrusions are respectively fixedly connected with the inner circumferential wall of the rotor through welding.

Specifically, still include fastening screw 113, the concave spliced eye 1023 that is equipped with of lower extreme wall of upper cover, the upper end detachably of pivot is inlayed and is located in the spliced eye, the concave first screw hole 114 that is equipped with one and the spliced eye is linked together in the bottom of second heat dissipation groove, fastening screw revolve in first screw hole, just fastening screw's front end can with the periphery wall butt setting of the upper end of pivot.

Specifically, the periphery wall of the upper end portion of pivot 107 is concavely provided with a first limiting groove 1071, fastening screw's front end portion can with the bottom butt setting of first limiting groove, first limiting groove makes the connection between pivot and the upper cover more firm, can avoid taking place relative slip between pivot and the fastening screw.

Specifically, still include E type jump ring 115, the concave draw-in groove 1072 that extends along the circumferencial direction that is equipped with of lower tip periphery wall of pivot, E type jump ring detachably card is located set up in the draw-in groove, just the upper end wall of E type jump ring with the lower terminal wall butt of bearing sets up for dismantlement convenient and fast more between pivot and the bearing.

Specifically, the lower end wall of the base is concavely provided with a plurality of second threaded holes 1013 along the circumferential direction, so that the base can be conveniently installed and fixed through bolts.

Specifically, the periphery wall of drum is protruding to be equipped with one along the spacing arch of the second (not shown in the figure) of axial direction extension, the internal perisporium of through-hole be equipped with one with the spacing second spacing groove 1033 of protruding looks adaptation of second, the spacing protruding detachably of second inlays to be located set up in the second spacing groove.

Specifically, the stator core is formed by laminating a plurality of silicon steel sheets.

Specifically, the base and the upper cover are both made of aluminum alloy materials.

The utility model discloses a protruding drum that is equipped with of upper end of base, stator core's centre is equipped with a through-hole, the through-hole cover is located on the periphery wall of drum, and stator core and drum fixed connection, stator core's periphery wall is along the protruding a plurality of wire winding portions that are equipped with of circumferencial direction, coil winding is the coiling respectively on the wire winding portion, the permanent magnet sets up on the internal perisporium of rotor respectively at the interval, the rotor rotationally overlaps locates on stator core's periphery wall, and the internal perisporium of permanent magnet and stator core's periphery wall interval connection, the lower extreme wall of rotor and the upper extreme wall interval connection of upper cover, the bearing sets up respectively in the both ends of pivot, the upper end and the lower extreme of the internal perisporium of drum are concave respectively and are equipped with a storage tank, the bearing inlays respectively and locates in the storage tank, the upper end of rotor is located to upper cover detachably lid, and rotate along with the rotor, the upper extreme wall fixed connection of pivot, thereby make the assembly of motor more local convenient and fast, the assembly efficiency of motor has been improved, and the assembly is reliable, and the assembly, and assembly is firm, when the motor needs to overhaul when dismantling, only need loosen the fastening and take off the E type jump ring and take off the upper cover, thereby the rotor, thereby make the base carry out the screw to carry out the stator more convenient operation of motor, thereby the motor is strong, and the practicality is convenient for maintenance, and convenient operation is strong, and convenient.

The above only be the preferred embodiment of the utility model discloses a not consequently restriction the utility model discloses a patent range, all are in the utility model discloses a conceive, utilize the equivalent structure transform of what the content was done in the description and the attached drawing, or direct/indirect application all is included in other relevant technical field the utility model discloses a patent protection within range.

Claims

1. The utility model provides an easy to maintain's brushless DC motor, its characterized in that, includes base, upper cover, stator core, coil winding, rotor, permanent magnet, pivot, bearing and nut, the protruding drum that is equipped with of upper end of base, stator core's centre is equipped with a through-hole, the through-hole cover is located on the periphery wall of drum, just stator core with drum fixed connection, stator core's periphery wall is equipped with a plurality of wire winding portions along the circumferencial direction is protruding, the coil winding respectively the coiling in on the wire winding portion, the permanent magnet set up respectively at intervals in on the internal perisporium of rotor, the rotor rotationally overlaps on locating stator core's periphery wall, just the internal perisporium of permanent magnet with stator core's periphery wall interval connection, the lower extreme wall of rotor with the upper end wall interval connection of upper cover, the bearing set up respectively in the both ends of pivot, the upper end and the lower tip of the internal perisporium of drum are respectively concave and are equipped with a storage tank, the bearing inlays respectively and locates in the storage tank, upper end of upper cover detachably lid of rotor, and along the heat dissipation screw thread portion of second on the base the upper end of the lower extreme of fixed cover, the base is equipped with the concave screw thread portion of second on the second end wall of the base.

2. The easy-to-maintain brushless direct current motor according to claim 1, wherein a plurality of first limiting protrusions are convexly provided on the lower end wall of the upper cover at intervals along the circumferential direction, an insertion groove is formed between two adjacent permanent magnets, the first limiting protrusions are detachably embedded in the insertion groove, and the first limiting protrusions are fixedly connected with the inner circumferential wall of the rotor.

3. The easy-to-maintain brushless direct current motor according to claim 1, further comprising a fastening screw, wherein an insertion hole is concavely formed in a lower end wall of the upper cover, an upper end portion of the rotating shaft is detachably embedded in the insertion hole, a first threaded hole communicated with the insertion hole is concavely formed in a bottom of the second heat dissipation groove, the fastening screw is screwed in the first threaded hole, and a front end portion of the fastening screw can be abutted against an outer peripheral wall of the upper end portion of the rotating shaft.

4. The easy-to-maintain brushless dc motor according to claim 3, wherein a first stopper groove is recessed in an outer peripheral wall of an upper end portion of the rotating shaft, and a front end portion of the fastening screw is disposed to abut against a bottom of the first stopper groove.

5. The easy-to-maintain brushless direct current motor according to claim 1, further comprising an E-shaped clamp spring, wherein a clamping groove extending in the circumferential direction is concavely formed in the outer peripheral wall of the lower end portion of the rotating shaft, the E-shaped clamp spring is detachably clamped in the clamping groove, and the upper end wall of the E-shaped clamp spring is abutted to the lower end wall of the bearing.

6. The easy-to-maintain brushless dc motor according to claim 1, wherein the lower end wall of the base is recessed with a plurality of second screw holes in a circumferential direction.

7. The easy-to-maintain brushless direct current motor according to claim 1, wherein the outer circumferential wall of the cylinder is convexly provided with a second limiting protrusion extending along the axial direction, the inner circumferential wall of the through hole is concavely provided with a second limiting groove adapted to the second limiting protrusion, and the second limiting protrusion is detachably embedded in the second limiting groove.

8. The easy-to-maintain brushless dc motor according to claim 1, wherein the stator core is formed by laminating a plurality of silicon steel sheets.

9. The easy-to-maintain brushless dc motor of claim 1, wherein the base and the top cover are both formed of an aluminum alloy.