A tightly integrated motor rotor

Abstract

The present invention discloses a tightly integrated motor rotor, comprising a rotating shaft, a rotor core being fixedly sleeved on the outer side of the rotating shaft, sealing plates being arranged at both ends of the rotor core, a commutator being arranged on the right side of the rotor core, and an insulating plate being arranged on the right end surface of the sealing plate on the right side. The present invention is a tightly integrated motor rotor, which improves the sealing performance of the motor rotor by arranging sealing plates, insulating plates and wire grooves, so as to make the rotor assembly more compact and improve the space utilization rate, and solves the problems that the current motor rotor usually adopts an exposed design, has a low integration level, has a large gap with components such as a commutator, is not assembled compactly, and has a low space utilization rate.

Description

Technical Field

[0001] The present invention relates to the technical field of motor rotors, and in particular to a tightly integrated motor rotor. Background Art

[0002] An electric motor, commonly known as a "motor", refers to an electromagnetic device that converts or transmits electrical energy based on the law of electromagnetic induction. The main function of a motor is to generate driving torque. As a power source for electrical appliances or various machines, the motor rotor is the rotating part of the motor.

[0003] Current motor rotors usually adopt an exposed design with low integration, large gaps between them and components such as the commutator, loose assembly, and low space utilization. Summary of the invention

[0004] The object of the present invention is to provide a tightly integrated motor rotor to solve the problems mentioned in the above background technology.

[0005] To achieve the above object, the present invention provides the following technical solutions:

[0006] A tightly integrated motor rotor comprises a rotating shaft, a rotor core is fixedly sleeved on the outer side of the rotating shaft, sealing plates are arranged at both ends of the rotor core, a commutator is arranged on the right side of the rotor core, and an insulating plate is arranged on the right end surface of the sealing plate on the right side;

[0007] The rotor core comprises an iron core body, a first shaft hole is opened at the center of the iron core body, the iron core body is arranged on the shaft through the first shaft hole, a plurality of winding grooves evenly distributed around are opened on the outer end surface of the iron core body, and a press-in plate is arranged inside the winding groove;

[0008] Flanges are arranged on the left and right end surfaces of the core body at positions corresponding to the first shaft hole, and a plurality of hollow grooves are opened inside the core body, and the hollow grooves are evenly distributed around the outside of the first shaft hole;

[0009] The sealing plate comprises a sealing plate body, an accommodating cavity is provided on the inner side wall of the sealing plate body, a plurality of plug-in protrusions evenly distributed around the inside of the accommodating cavity are fixedly installed, the plug-in protrusions correspond to the positions of the hollow grooves, the plug-in protrusions are correspondingly plugged into the inside of the hollow grooves, an adapting groove is provided at the position of the flange corresponding to the inside of the accommodating cavity, and the flange is correspondingly plugged into the inside of the adapting groove;

[0010] The insulating plate includes an insulating plate body, a third rotating shaft hole is opened at the center position of the insulating plate body, a plurality of evenly distributed wire grooves are opened on the outer wall of the insulating plate body, and a plurality of evenly distributed wire grooves are opened on the outer wall of the sealing plate body, and the positions of the wire grooves correspond to the wire grooves.

[0011] Preferably, a second shaft hole is opened at the center position of the sealing plate body, and the sealing plate body is set on the shaft through the second shaft hole. A plurality of evenly distributed clamping plates are set on the inner side wall of the sealing plate body, and an anti-slip gasket is set on the inner side wall of the clamping plate, and the clamping plate cooperates with the rotor core.

[0012] Preferably, the commutator includes an insulating body, a fourth shaft hole is opened at the center position of the insulating body, the insulating body is set on the shaft through the fourth shaft hole, a plurality of evenly distributed mounting seats are fixedly mounted on the outer wall of the insulating body, separation grooves are set between the mounting seats, and a brush head is set on the mounting seat.

[0013] Preferably, a fixing seat is fixedly mounted on the rotating shaft, the fixing seat is located on the left side of the rotor core, and a plurality of evenly distributed heat dissipating blades are fixedly mounted on the outer side wall of the fixing seat.

[0014] Compared with the prior art, the beneficial effects of the present invention are: a tightly integrated motor rotor, the coil is wound inside the winding groove, and after winding, it is pressed and fixed by a press-in plate to isolate and seal. The hollow groove reduces the mass of the core body without affecting the overall strength. The accommodating cavity is used to place the staggered heads of the wound coils, the plug-in protrusions are inserted into the hollow grooves, the flanges are inserted into the adapter grooves, the clamping plates, the anti-slip gaskets and the rotor core cooperate to complete the fixed installation of the sealing plates at both ends of the rotor core, and improve the sealing of the rotor core. The commutator is connected and conducted with the coils through the brush head, and the various mounting seats are insulated by the separation grooves. The connecting wires between the coils are arranged through the wire grooves and the wire through grooves, which play a role of sorting and insulation. The insulating plate is arranged to play an insulating role between the commutator and the rotor core, so that the commutator and the rotor core are assembled more tightly, which improves the tightness and space utilization of the motor. The heat dissipation blades are installed through the fixing seats to dissipate the heat of the rotor in conjunction with the operation of the motor. The present invention is a tightly integrated motor rotor, which improves the sealing of the motor rotor by arranging a sealing plate, an insulating plate and a wire groove, so that the rotor assembly is more tightly and the space utilization rate is improved. The problem that the current motor rotor usually adopts an exposed design, has a low integration degree, has a large gap with components such as a commutator, is not tightly assembled, and has a low space utilization rate is solved. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1It is a schematic diagram of the structure of a tightly integrated motor rotor;

[0016] Figure 2 It is a schematic diagram of the structure of a rotor core in a tightly integrated motor rotor;

[0017] Figure 3 It is a structural schematic diagram of a sealing plate in a tightly integrated motor rotor;

[0018] Figure 4 It is a schematic diagram of the structure of an insulating plate in a tightly integrated motor rotor;

[0019] Figure 5 The schematic diagram is a structural diagram of a commutator in a tightly integrated motor rotor.

[0020] In the figure: 1-rotating shaft, 2-rotor core, 3-commutator, 4-sealing plate, 5-insulating plate, 6-fixed seat, 7-heat dissipation blade, 8-core body, 9-first rotating shaft hole, 10-flange, 11-hollow groove, 12-winding groove, 13-pressing plate, 14-sealing plate body, 15-second rotating shaft hole, 16-accommodating cavity, 17-plugging protrusion, 18-wire groove, 19-card, 20-anti-slip gasket, 21-insulating plate body, 22-third rotating shaft hole, 23-wire groove, 24-insulating body, 25-fourth rotating shaft hole, 26-mounting seat, 27-partition groove, 28-brush head, 29-adapting groove. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0022] See also Figures 1 to 5 The present invention provides a technical solution: a tightly integrated motor rotor, comprising a rotating shaft 1, a rotor core 2 is fixedly mounted on the outer side of the rotating shaft 1, sealing plates 4 are arranged at both ends of the rotor core 2, a commutator 3 is arranged on the right side of the rotor core 2, and an insulating plate 5 is arranged on the right end surface of the sealing plate 4 on the right side.

[0023] The rotor core 2 includes a core body 8, a first shaft hole 9 is opened at the center of the core body 8, the core body 8 is set on the shaft 1 through the first shaft hole 9, and a plurality of winding grooves 12 evenly distributed are opened on the outer end surface of the core body 8, and a press-in plate 13 is arranged inside the winding groove 12.

[0024] Flanges 10 are provided on the left and right end faces of the core body 8 at positions corresponding to the first shaft hole 9 , and a plurality of hollow grooves 11 are opened inside the core body 8 , and the hollow grooves 11 are evenly distributed around the outer side of the first shaft hole 9 .

[0025] The coil is wound inside the winding groove 12 and after winding, it is pressed and fixed by the press plate 13 to isolate and seal. The hollow groove 11 reduces the mass of the core body 8 without affecting the overall strength.

[0026] The sealing plate 4 includes a sealing plate body 14, a second shaft hole 15 is opened at the center position of the sealing plate body 14, the sealing plate body 14 is arranged on the shaft 1 through the second shaft hole 15, a plurality of evenly distributed clamping plates 19 are arranged on the inner side wall of the sealing plate body 14, an anti-slip gasket 20 is arranged on the inner side wall of the clamping plate 19, and the clamping plate 19 cooperates with the rotor core 2.

[0027] An accommodating cavity 16 is provided on the inner wall of the sealing plate body 14, and a plurality of evenly distributed plug-in protrusions 17 are fixedly installed inside the accommodating cavity 16. The plug-in protrusions 17 correspond to the positions of the hollow grooves 11, and the plug-in protrusions 17 are correspondingly plugged into the inside of the hollow grooves 11. An adapting groove 29 is provided inside the accommodating cavity 16 at the position corresponding to the flange 10, and the flange 10 is correspondingly plugged into the inside of the adapting groove 29.

[0028] The accommodating cavity 16 is used to place the staggered heads of the winding coils, the plug-in protrusion 17 is inserted into the hollow groove 11, the flange 10 is inserted into the adapter groove 29, the clamping plate 19, the anti-slip gasket 20 and the rotor core 2 cooperate to complete the fixed installation of the sealing plate 4 at both ends of the rotor core 2, thereby improving the sealing of the rotor core 2.

[0029] The insulating plate 5 includes an insulating plate body 21, a third rotating shaft hole 22 is opened at the center position of the insulating plate body 21, a plurality of evenly distributed wire grooves 23 are opened on the outer wall of the insulating plate body 21, and a plurality of evenly distributed wire grooves 18 are opened on the outer wall of the sealing plate body 14, and the positions of the wire grooves 18 correspond to the wire grooves 23.

[0030] The commutator 3 includes an insulating body 24, a fourth shaft hole 25 is opened at the center of the insulating body 24, the insulating body 24 is set on the shaft 1 through the fourth shaft hole 25, a plurality of mounting seats 26 evenly distributed around are fixedly mounted on the outer wall of the insulating body 24, separation grooves 27 are set between the mounting seats 26, and a brush head 28 is set on the mounting seat 26.

[0031] The commutator 3 is connected to the coil via a brush head 28, and each mounting seat 26 is insulated by a separation groove 27. The connecting wires between the coils are arranged via a wire groove 23 and a wire groove 18, which play a role in sorting and insulation. The insulating plate 5 is arranged to play an insulating role between the commutator 3 and the rotor core 2, so that the commutator 3 and the rotor core 2 are assembled more tightly, thereby improving the tightness and space utilization of the motor.

[0032] A fixing seat 6 is fixedly mounted on the rotating shaft 1 , and the fixing seat 6 is located on the left side of the rotor core 2 . A plurality of evenly distributed heat dissipating blades 7 are fixedly mounted on the outer wall of the fixing seat 6 .

[0033] The heat dissipation blades 7 are installed through the fixing seat 6 to dissipate heat from the rotor in conjunction with the operation of the motor.

[0034] It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above and that the invention can be implemented in other specific forms without departing from the spirit or essential features of the invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations falling within the meaning and scope of the equivalent elements of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

[0035] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A tightly integrated motor rotor, comprising a rotating shaft (1), characterized in that: A rotor core (2) is fixedly mounted on the outer side of the rotating shaft (1), sealing plates (4) are arranged at both ends of the rotor core (2), a commutator (3) is arranged on the right side of the rotor core (2), and an insulating plate (5) is arranged on the right end surface of the sealing plate (4) on the right side; The rotor core (2) comprises a core body (8), a first shaft hole (9) is provided at the center of the core body (8), the core body (8) is arranged on the shaft (1) through the first shaft hole (9), a plurality of winding grooves (12) evenly distributed around are provided on the outer end surface of the core body (8), and a press-in plate (13) is provided inside the winding groove (12); Flanges (10) are arranged on the left and right end surfaces of the core body (8) at positions corresponding to the first shaft hole (9), and a plurality of hollow grooves (11) are opened inside the core body (8), and the hollow grooves (11) are evenly distributed around the outer side of the first shaft hole (9); The sealing plate (4) comprises a sealing plate body (14), an accommodating cavity (16) is provided on the inner side wall of the sealing plate body (14), a plurality of evenly distributed plug-in protrusions (17) are fixedly installed inside the accommodating cavity (16), the plug-in protrusions (17) correspond to the positions of the hollow grooves (11), the plug-in protrusions (17) are correspondingly plugged into the inside of the hollow grooves (11), an adapting groove (29) is provided inside the accommodating cavity (16) at a position corresponding to the flange (10), and the flange (10) is correspondingly plugged into the inside of the adapting groove (29); The insulating plate (5) comprises an insulating plate body (21), a third rotating shaft hole (22) is provided at the center of the insulating plate body (21), a plurality of evenly distributed wire grooves (23) are provided on the outer wall of the insulating plate body (21), and a plurality of evenly distributed wire grooves (18) are provided on the outer wall of the sealing plate body (14), and the positions of the wire grooves (18) correspond to the wire grooves (23).

2. A tightly integrated motor rotor according to claim 1, characterized in that: A second shaft hole (15) is provided at the center of the sealing plate body (14); the sealing plate body (14) is arranged on the shaft (1) through the second shaft hole (15); a plurality of evenly distributed clamping plates (19) are provided on the inner side wall of the sealing plate body (14); an anti-slip pad (20) is provided on the inner side wall of the clamping plate (19); and the clamping plate (19) cooperates with the rotor core (2).

3. A tightly integrated motor rotor according to claim 2, characterized in that: The commutator (3) comprises an insulating body (24), a fourth rotating shaft hole (25) is provided at the center of the insulating body (24), the insulating body (24) is arranged on the rotating shaft (1) through the fourth rotating shaft hole (25), a plurality of mounting seats (26) evenly distributed around are fixedly mounted on the outer wall of the insulating body (24), separation grooves (27) are provided between the mounting seats (26), and a brush head (28) is provided on the mounting seat (26).

4. A tightly integrated motor rotor according to claim 3, characterized in that: A fixing seat (6) is fixedly mounted on the rotating shaft (1), the fixing seat (6) is located on the left side of the rotor core (2), and a plurality of evenly distributed heat dissipation blades (7) are fixedly mounted on the outer wall of the fixing seat (6).

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