Rotor structure of motor

Abstract

The utility model discloses a rotor structure of a motor, which comprises a rotor, one side of the rotor is provided with an installation disc, one side of the installation disc is provided with a rotating shaft, the outer wall of the rotor is provided with a heat dissipation mechanism, and the heat dissipation mechanism comprises a plurality of arc-shaped heat conduction sheets which are arranged on the outer wall of the rotor and are distributed in a circumferential array. And a plurality of radiating fins which are uniformly distributed are arranged on the outer walls of the arc-shaped heat-conducting fins. The beneficial effects are that the rotor can be conveniently cooled by arranging the arc-shaped heat-conducting fins and the cooling fins, the arc-shaped heat-conducting fins can be conveniently mounted on the outer wall of the rotor by arranging the arc-shaped pressing sheets, the positioning columns and the pressing rings, mounting grooves do not need to be formed in the outer wall of the rotor, the performance of the rotor is not affected, and the use is safer and more reliable; and the pressing rings and the arc-shaped pressing pieces are matched so that the multiple sets of arc-shaped heat-conducting pieces can be fixed and installed efficiently and rapidly at the same time, the multiple sets of cooling fins can be installed on the arc-shaped heat-conducting pieces at the same time conveniently through the connecting assemblies, and the disassembling and assembling efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to motor rotor technical field, concretely related to a rotor structure of motor. BACKGROUND

[0002] Motor refers to the mechanical equipment that converts other forms of energy into electric energy, and the rotor of the motor is mainly composed of a conductive rotor winding, a magnetically conductive core, and a rotor shaft extension, a retainer ring, a center ring, and a fan.

[0003] According to the motor rotor structure disclosed by Chinese patent CN202321087845. X, the application comprises a rotor, a limiting block installed at one end of the rotor, and a rotor core installed on the limiting block. An installation groove is formed on the outer wall of the rotor, and a heat dissipation piece for accelerating heat dissipation is installed in each installation groove. A plurality of installation grooves are formed on the outer wall, and the heat dissipation pieces are installed in the installation grooves. The heat dissipation pieces are provided with heat dissipation plates, and a plurality of heat conduction fins are arranged at the bottom of the heat dissipation plates. Two groups of heat dissipation holes are formed on the heat dissipation plates. In combination with the heat conduction fins, the heat dissipation effect of the rotor during operation is improved, and the practicability is improved. The existing motor rotor needs to open an installation groove on the rotor when installing the heat dissipation fin, which is more troublesome to operate. At the same time, the slot hole formed on the outer wall of the rotor will affect the performance of the rotor, thereby affecting the normal operation of the motor.

[0004] For the problems in the related art, no effective solution has been proposed so far. INVENTION CONTENTS

[0005] In view of the problems in the related art, the utility model provides a rotor structure of motor to overcome the above technical problems existing in the prior art.

[0006] Therefore, the utility model adopts the specific technical scheme as follows:

[0007] A rotor structure of motor, comprising a rotor, one side of the rotor being provided with a mounting disc, one side of the mounting disc being provided with a rotating shaft, an outer wall of the rotor being provided with a heat dissipation mechanism, the heat dissipation mechanism comprising a plurality of arc-shaped heat conduction fins arranged in a circumferential array and arranged on the outer wall of the rotor, an outer wall of each arc-shaped heat conduction fin being provided with a plurality of uniformly distributed heat dissipation fins, the heat dissipation fins being connected to the arc-shaped heat conduction fins through connecting assemblies, both sides of each arc-shaped heat conduction fin being provided with arc-shaped pressing pieces arranged symmetrically, the outer wall of the rotor being provided with a plurality of positioning columns arranged uniformly and penetrating through the arc-shaped pressing pieces, and the outer wall of the rotor being provided with pressing rings arranged symmetrically and matched with the arc-shaped pressing pieces.

[0008] Preferably, the rotating shaft is connected to the mounting disc through a bolt.

[0009] As preferred, the connecting assembly comprises a plurality of mounting grooves evenly distributed on the outer wall of the arc-shaped heat-conducting sheet and matched with the heat dissipation fins, and two bolts symmetrically arranged on one side of the arc-shaped heat-conducting sheet and respectively penetrating the mounting grooves, the heat dissipation fins and the arc-shaped heat-conducting sheet, and a locking nut matched with the two bolts and sleeved on the outer wall of the arc-shaped heat-conducting sheet.

[0010] As preferred, the arc-shaped heat-conducting sheet and the heat dissipation fins are both provided with through holes matched with the two bolts.

[0011] As preferred, the arc-shaped pressing sheet is provided with a positioning hole matched with the positioning column.

[0012] As preferred, the outer wall of the arc-shaped pressing sheet is provided with external threads, the inner wall of the pressing ring is provided with internal threads matched with the external threads, and the outer wall of the arc-shaped pressing sheet on one side of the external threads is provided with a positioning strip matched with the pressing ring.

[0013] The utility model discloses a rotor structure of a motor, which comprises a rotor, an arc-shaped heat-conducting sheet and a plurality of heat dissipation fins. BRIEF DESCRIPTION OF DRAWINGS

[0014] In order to more clearly illustrate the technical scheme in the embodiments of the present utility model or the prior art, the drawings needed to be used in the embodiments will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creative labor.

[0015] Fig. 1 It is a whole structure schematic view of a rotor structure of a motor according to an embodiment of the present utility model.

[0016] Fig. 2 It is an assembly structure schematic view of an arc-shaped heat-conducting sheet and a pressing ring in a rotor structure of a motor according to an embodiment of the present utility model.

[0017] Fig. 3 It is a structure schematic view of an arc-shaped heat-conducting sheet in a rotor structure of a motor according to an embodiment of the present utility model.

[0018] Fig. 4is another angle structure schematic view of the arc-shaped heat conduction sheet in the rotor structure of the motor according to the embodiment of the utility model;

[0019] Fig. 5 is structure schematic view of the pressing ring in the rotor structure of the motor according to the embodiment of the utility model;

[0020] Fig. 6 is structure schematic view of the rotor in the rotor structure of the motor according to the embodiment of the utility model.

[0021] In the drawing,

[0022] 1, rotor;2, mounting disc;3, rotating shaft;4, arc-shaped heat conduction sheet;5, heat dissipation fin;6, arc-shaped pressing sheet;7, positioning column;8, pressing ring;9, bolt one;10, mounting groove;11, bolt two;12, locking nut;13, positioning hole;14, external thread;15, internal thread;16, positioning strip. DETAILED DESCRIPTION

[0023] To further illustrate the various embodiments, the utility model provides with the drawing, these drawings are the part of the utility model disclosure, it mainly uses to illustrate the embodiment, and can cooperate with the relevant description of the specification to explain the operating principle of the embodiment, cooperates with reference to these contents, and the person skilled in the art should be able to understand other possible implementation ways and the advantages of the utility model, the components in the drawing are not drawn according to the scale, and similar component symbols are usually used to indicate similar components.

[0024] According to the embodiment of the utility model, a rotor structure of a motor is provided.

[0025] Embodiment one;

[0026] As Figs. 1-6 The rotor structure of the motor according to the embodiment of the utility model, as shown in the drawing, includes rotor 1, the one side of rotor 1 is equipped with mounting disc 2, the one side of mounting disc 2 is equipped with rotating shaft 3, the outer wall of rotor 1 is equipped with heat dissipation mechanism, the heat dissipation mechanism includes the outer wall of rotor 1 is equipped with several arc-shaped heat conduction sheets 4 in circumferential array distribution, the outer wall of arc-shaped heat conduction sheet 4 is equipped with several evenly distributed heat dissipation fins 5, heat dissipation fin 5 is connected with arc-shaped heat conduction sheet 4 through connecting assembly, the both sides of arc-shaped heat conduction sheet 4 are equipped with the arc-shaped pressing sheet 6 that is arranged symmetrically, the outer wall of rotor 1 is equipped with several evenly distributed positioning columns 7 that penetrate through arc-shaped pressing sheet 6, the outer wall of rotor 1 is equipped with the pressing ring 8 that is arranged symmetrically and is matched with arc-shaped pressing sheet 6.

[0027] Embodiment two;

[0028] As Figs. 1-6As shown, including the rotor 1, one side of the rotor 1 is provided with the mounting disc 2, one side of the mounting disc 2 is provided with the rotating shaft 3, the outer wall of the rotor 1 is provided with a heat dissipation mechanism, the heat dissipation mechanism includes the outer wall of the rotor 1 is provided with a plurality of circumferentially arrayed arc-shaped heat conduction pieces 4, the outer wall of the arc-shaped heat conduction piece 4 is provided with a plurality of evenly distributed heat dissipation fins 5, the heat dissipation fin 5 is connected with the arc-shaped heat conduction piece 4 through the connecting assembly, the both sides of the arc-shaped heat conduction piece 4 are provided with the arc-shaped pressing piece 6 arranged symmetrically, the outer wall of the rotor 1 is provided with a plurality of evenly distributed positioning columns 7 penetrating through the arc-shaped pressing piece 6, the outer wall of the rotor 1 is provided with a pressing ring 8 arranged symmetrically and matched with the arc-shaped pressing piece 6. The rotating shaft 3 is connected with the mounting disc 2 through the bolt 9. The connecting assembly includes a plurality of evenly distributed mounting grooves 10 provided on the outer wall of the arc-shaped heat conduction piece 4 and matched with the heat dissipation fin 5, the arc-shaped heat conduction piece 4 is provided with a bolt 11 arranged symmetrically and penetrating through the mounting groove 10, the heat dissipation fin 5 and the arc-shaped heat conduction piece 4 respectively, the arc-shaped heat conduction piece 4 is provided with a locking nut 12 matched with the bolt 11 on the outer wall of the bolt 11. The arc-shaped heat conduction piece 4 and the heat dissipation fin 5 are both provided with through holes matched with the bolt 11. When installing the heat dissipation fin 5, first, a plurality of groups of heat dissipation fins 5 are inserted into the mounting grooves 10 on the arc-shaped heat conduction piece 4 respectively, then the bolt 11 is inserted into the through holes penetrating through the arc-shaped heat conduction piece 4 and the heat dissipation fin 5 respectively from one side of the arc-shaped heat conduction piece 4, finally the locking nut 12 is tightened on the bolt 11, through the setting of the connecting assembly, a plurality of groups of heat dissipation fins can be installed on the arc-shaped heat conduction piece at the same time, improving the disassembly efficiency.

[0029] Example three;

[0030] As Figs. 1-6As shown, including the rotor 1, one side of the rotor 1 is provided with the mounting disc 2, one side of the mounting disc 2 is provided with the rotating shaft 3, the outer wall of the rotor 1 is provided with a heat dissipation mechanism, the heat dissipation mechanism includes the outer wall of the rotor 1 is provided with a plurality of circumferentially arrayed arc-shaped heat conduction pieces 4, the outer wall of the arc-shaped heat conduction piece 4 is provided with a plurality of evenly distributed heat dissipation fins 5, the heat dissipation fin 5 is connected with the arc-shaped heat conduction piece 4 through the connecting assembly, both sides of the arc-shaped heat conduction piece 4 are provided with arc-shaped pressing pieces 6 arranged symmetrically, the outer wall of the rotor 1 is provided with a plurality of evenly distributed positioning columns 7 penetrating through the arc-shaped pressing piece 6, the outer wall of the rotor 1 is provided with a pressing ring 8 arranged symmetrically and matched with the arc-shaped pressing piece 6. The arc-shaped pressing piece 6 is provided with a positioning hole 13 matched with the positioning column 7. The outer wall of the arc-shaped pressing piece 6 is provided with an external thread 14, the inner wall of the pressing ring 8 is provided with an internal thread 15 matched with the external thread 14, and the outer wall of the arc-shaped pressing piece 6 and located on one side of the external thread 14 is provided with a positioning strip 16 matched with the pressing ring 8. When installing the arc-shaped heat conduction piece 4, first, a plurality of arc-shaped heat conduction pieces 4 are attached to the outer wall of the rotor 1, so that the positioning column 7 on the rotor 1 penetrates through the positioning hole 13 on the arc-shaped pressing piece 6 to position the arc-shaped heat conduction piece 4, then tighten the pressing ring 8, the internal thread 15 on the pressing ring 8 matches the external thread 14 on the arc-shaped pressing piece 6, so that the pressing ring 8 can tighten the arc-shaped pressing piece 6 attached to the outer wall of the rotor 1 to limit the arc-shaped heat conduction piece 4. By setting the arc-shaped heat conduction piece and the heat dissipation fin, the rotor can be easily cooled, by setting the arc-shaped pressing piece, the positioning column and the pressing ring, the arc-shaped heat conduction piece can be easily installed on the outer wall of the rotor, without the need to open the mounting groove on the outer wall of the rotor, which will not affect the performance of the rotor, and the use is more safe and reliable, and the cooperation of the pressing ring and the arc-shaped pressing piece can simultaneously fix and install a plurality of arc-shaped heat conduction pieces efficiently and quickly.

[0031] In actual application, when the heat dissipation fins 5 are installed, first, the multiple groups of heat dissipation fins 5 are respectively inserted into the mounting slots 10 on the arc-shaped heat conduction sheets 4, then the second bolts 11 are inserted from one side of the arc-shaped heat conduction sheets 4 and respectively pass through the through holes on the arc-shaped heat conduction sheets 4 and the heat dissipation fins 5, and finally the locking nuts 12 are screwed on the second bolts 11, so that the multiple groups of heat dissipation fins are simultaneously installed on the arc-shaped heat conduction sheets through the setting of the connecting assembly, and the dismounting efficiency is improved; when the arc-shaped heat conduction sheets 4 are installed, first, the multiple groups of arc-shaped heat conduction sheets 4 are attached to the outer wall of the rotor 1, so that the positioning columns 7 on the rotor 1 pass through the positioning holes 13 on the arc-shaped pressing sheets 6 to position the arc-shaped heat conduction sheets 4, then the compression ring 8 is tightened, the inner thread 15 on the compression ring 8 is matched with the outer thread 14 on the arc-shaped pressing sheet 6, so that the compression ring 8 can be screwed to attach the arc-shaped pressing sheet 6 to the outer wall of the rotor 1, and the limiting effect of the arc-shaped heat conduction sheet 4 is achieved, the rotor is conveniently cooled through the setting of the arc-shaped heat conduction sheet and the heat dissipation fin, the arc-shaped heat conduction sheet is conveniently installed on the outer wall of the rotor through the setting of the arc-shaped pressing sheet, the positioning column and the compression ring, and the installation slot does not need to be additionally arranged on the outer wall of the rotor, the performance of the rotor is not affected, the use is safer and more reliable, and the compression ring and the arc-shaped pressing sheet can simultaneously fix and install the multiple groups of arc-shaped heat conduction sheets efficiently and quickly.

[0032] In summary, according to the above technical scheme of the utility model, the rotor is conveniently cooled through the setting of the arc-shaped heat conduction sheet and the heat dissipation fin, the arc-shaped heat conduction sheet is conveniently installed on the outer wall of the rotor through the setting of the arc-shaped pressing sheet, the positioning column and the compression ring, the installation slot does not need to be additionally arranged on the outer wall of the rotor, the performance of the rotor is not affected, the use is safer and more reliable, the compression ring and the arc-shaped pressing sheet can simultaneously fix and install the multiple groups of arc-shaped heat conduction sheets efficiently and quickly, and the multiple groups of heat dissipation fins are simultaneously installed on the arc-shaped heat conduction sheets through the setting of the connecting assembly, and the dismounting efficiency is improved.

[0033] The above merely describes preferred embodiments of the utility model and is not intended to limit the utility model, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A rotor structure of an electric machine comprising a rotor (1), characterized in that The rotor (1) is provided with a mounting disc (2) on one side, the mounting disc (2) is provided with a rotating shaft (3) on one side, the outer wall of the rotor (1) is provided with a heat dissipation mechanism, the heat dissipation mechanism comprises a plurality of arc-shaped heat conduction fins (4) arranged in a circumferential array on the outer wall of the rotor (1), a plurality of evenly distributed heat dissipation fins (5) are arranged on the outer wall of the arc-shaped heat conduction fin (4), the heat dissipation fin (5) is connected with the arc-shaped heat conduction fin (4) through a connecting assembly, the arc-shaped heat conduction fin (4) is provided with arc-shaped pressing pieces (6) arranged symmetrically on both sides, a plurality of positioning columns (7) evenly distributed and penetrating through the arc-shaped pressing piece (6) are arranged on the outer wall of the rotor (1), and the outer wall of the rotor (1) is provided with a pressing ring (8) arranged symmetrically and matched with the arc-shaped pressing piece (6).

2. A rotor structure for an electric machine as claimed in claim 1, characterized in that The rotating shaft (3) is connected with the mounting disc (2) through a bolt (9).

3. A rotor structure for an electric machine as claimed in claim 1, characterized in that The connecting assembly comprises a plurality of mounting grooves (10) evenly distributed and matched with the heat dissipation fin (5) formed on the outer wall of the arc-shaped heat conduction fin (4), the arc-shaped heat conduction fin (4) is provided with a bolt (11) arranged symmetrically and penetrating through the mounting groove (10), the heat dissipation fin (5) and the arc-shaped heat conduction fin (4) respectively on one side, the arc-shaped heat conduction fin (4) is provided with a locking nut (12) matched with the bolt (11) on one side and located on the outer wall of the bolt (11).

4. A rotor construction for an electrical machine according to claim 3, characterised in that The arc-shaped heat conduction fin (4) and the heat dissipation fin (5) are provided with through holes matched with the bolt (11).

5. A rotor structure for an electric machine as defined in claim 1, characterized in that The arc-shaped pressing piece (6) is provided with a positioning hole (13) matched with the positioning column (7).

6. A rotor structure for an electric machine as claimed in claim 1, characterized in that The outer wall of the arc-shaped pressing piece (6) is provided with an external thread (14), the inner wall of the pressing ring (8) is provided with an internal thread (15) matched with the external thread (14), and the outer wall of the arc-shaped pressing piece (6) is provided with a positioning strip (16) matched with the pressing ring (8) on one side of the external thread (14).

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