CN115441642A

CN115441642A - Motor rotor and motor

Info

Publication number: CN115441642A
Application number: CN202211244400.8A
Authority: CN
Inventors: 张启峰; 杨晓梅; 黄陆军
Original assignee: Jiangsu Mengtian Electromechanical Technology Co ltd
Current assignee: Jiangsu Mengtian Electromechanical Technology Co ltd
Priority date: 2022-10-12
Filing date: 2022-10-12
Publication date: 2022-12-06

Abstract

The invention discloses a motor rotor and a motor, relates to the field of motors, and solves the problem that the service life of an internal rotor is easily affected by dirt accumulated in the internal rotor due to the fact that a heat dissipation port is in an open state for a long time when the existing motor rotor and the existing motor are used.

Description

Motor rotor and motor

Technical Field

The invention relates to the technical field of motors, in particular to a motor rotor and a motor.

Background

The motor is an electromagnetic device for realizing electric energy conversion or transmission according to an electromagnetic induction law. Its main function is to generate driving torque as power source of electric appliance or various machines. The main function of the generator is to convert mechanical energy into electric energy, and at present, the most common generator uses heat energy, water energy and the like to drive a generator rotor to generate electricity. The rotor of an electric machine is colloquially said to be the rotating part of the electric machine.

Current electric motor rotor and motor are in fixed open state all the time because the thermovent position size on the motor housing when the drive, because can not generate heat when the motor is in non-operation state almost, opening of thermovent this moment can only make dust and some moisture enter into the motor inside, attached to the rotor surface, long-term accumulation can make the rotor surface receive the pollution even corrode, influences the life of rotor. Therefore, the motor rotor and the motor are provided.

Disclosure of Invention

In view of the above technical deficiencies, the present invention provides a motor rotor and a motor, which is convenient for adjusting the size of the opening of the heat dissipation opening along with the operation state of the motor to reduce the amount of dust and moisture entering and eroding the internal devices continuously when the motor is stationary.

In order to solve the technical problem, the invention adopts the following technical scheme: the invention provides a motor rotor and a motor, wherein the motor rotor comprises a driving shaft, a rotor assembly and an opening and closing mechanism, wherein the driving shaft is fixedly connected with an installation pipe, the rotor assembly comprises a plurality of groups of rotor blocks, a plurality of groups of inserting grooves distributed at equal intervals are formed in the installation pipe, the rotor assembly is used for fixedly installing the plurality of groups of rotor blocks in the plurality of groups of inserting grooves respectively, and the opening and closing mechanism is installed on the driving shaft and used for controlling the opening and closing state of a heat dissipation port of the motor, so that the rotor is convenient to assemble, disassemble and assemble and is convenient to transport.

Preferably, the rotor assembly comprises an insertion block fixedly mounted on the rotor block, the insertion block is inserted into the insertion groove, the rotor block is provided with a communication hole for accelerating the flow of internal gas to pass through the rotor block, the mounting pipe is provided with a fixing part for limiting and fixing the insertion block and the insertion groove, and a plurality of groups of rotor blocks are respectively and fixedly mounted in the plurality of groups of insertion grooves.

Preferably, the mounting include with drive shaft outer wall sliding connection's promotion dish, the side fixedly connected with multiunit connecting rod of promotion dish, the connecting rod with installation pipe sliding connection, fixedly connected with multiunit on the connecting rod respectively with inserting groove sliding connection's joint piece, the joint piece with the side looks joint of inserting piece, the side of promotion dish is rotated and is connected with the nut lid, the one end of installation pipe seted up with nut lid threaded connection's thread groove is convenient for carry on spacing fixedly with inserting piece and inserting groove.

Preferably, the opening and closing mechanism comprises two groups of first gears fixedly mounted on the driving shaft, so that the opening and closing state of the motor heat dissipation port is conveniently driven and controlled.

The utility model provides a motor, includes casing and rotor mechanism, fixedly connected with stator in the casing, the both ends difference fixedly connected with end cover of casing, the multiunit louvre has been seted up on the end cover, rotor mechanism includes the electric motor rotor of above-mentioned arbitrary, the one end of drive shaft is with a set of the side of end cover is rotated and is connected, and the other end runs through another set of the end cover, and with this the end cover rotates to be connected, and is two sets of all be equipped with on the end cover and be used for when first gear rotates the heat dissipation mechanism that the louvre was opened, convenient heat dissipation when being convenient for assemble with electric motor rotor.

Preferably, the heat dissipation mechanism comprises a plurality of groups of guide blocks fixedly installed on the end cover, the guide blocks are connected with baffles for shielding the heat dissipation holes in a sliding mode, one ends of the baffles are fixedly connected with first springs fixedly connected with the end cover, the end cover is provided with pushing pieces for pushing the baffles to open the heat dissipation holes in a linkage mode when the driving shaft rotates, and the heat dissipation holes are conveniently controlled to be opened when the first gear rotates.

Preferably, the pushing part comprises a ring pipe fixedly installed on the end cover, a mounting block is fixedly connected to the baffle, a push rod is fixedly connected to the mounting block, an output pipe is slidably connected to the outer wall of the push rod, one end of the output pipe is fixedly connected to the ring pipe, the output pipe is communicated with the ring pipe, liquid is stored in the ring pipe, a rotating pipe is rotatably connected to one side of the ring pipe, the side face of the rotating pipe is communicated with the ring pipe, a rotating part used for driving the rotating pipe to rotate in a relatively speed reduction manner when the driving shaft rotates rapidly is arranged on the rotating pipe, and the rotating pipe is provided with an output part used for pushing the liquid in the rotating pipe into the output pipe when the rotating pipe rotates, so that the baffle is pushed to open the heat dissipation holes in a linkage manner when the driving shaft rotates.

Preferably, the rotation piece includes the drive ring, fixedly connected with mounting bracket on the end cover, fixedly connected with on the mounting bracket with the drive shaft outer wall rotates the mounting disc of being connected, fixedly connected with inner tooth ring on the mounting disc, the side of drive ring rotate be connected with the multiunit with inner tooth ring engaged with second gear, multiunit the second gear equidistant distribution just all with first gear is engaged with, the side fixedly connected with of drive ring with rotating tube fixed connection's flabellum is located both sides on the rotating tube the flabellum incline direction is the same, is convenient for drive the relative rotation that slows down of rotating tube when the drive shaft rotates fast.

Preferably, the output piece includes multiunit centrifugation piece, the multiunit guide way has been seted up on the rotating tube, fixedly connected with multiunit slide rail on the rotating tube, the centrifugation piece with the guide way with the equal sliding connection of slide rail is convenient for push the liquid in the rotating tube in the output tube when the rotating tube rotates.

The invention has the beneficial effects that: the problem of current electric motor rotor and motor use time thermovent be in for a long time open state, lead to inside rotor to save spot easily and influence life is solved, when the motor operation, through utilize centrifugal force to make centrifugal block do centrifugal motion when the drive shaft rotates, thereby promote liquid flow and make the baffle promoted to open the louvre, heat dissipation mechanism can promote inside gas flow this moment, heat dissipation with higher speed, reduce the temperature when the rotor operation, centrifugal force reduces when the motor stops working, the baffle closes gradually and seals the motor louvre, prevent that external dust and moisture etc. from continuously eroding the inside device of motor, the life of motor and electric motor rotor has been prolonged greatly, set up the rotor into multiunit assembled rotor piece simultaneously, make things convenient for the transportation of some large-scale motors, prevent to receive acutely to shake in the transportation and lead to the rotor to cause the drive shaft to buckle to the extrusion of drive shaft, this kind of assembled rotor has promoted the removal and the conveying efficiency of motor, the dismouting is convenient, and convenient for use.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings 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 drawings without creative efforts.

FIG. 1 is a schematic view of the overall structure of the present invention.

FIG. 2 is a schematic view of the internal structure of the present invention.

Fig. 3 is a schematic structural view of a rotor assembly according to the present invention.

Fig. 4 is a schematic structural view of a rotor mechanism of the present invention.

Fig. 5 is a structural sectional view of a rotor assembly according to the present invention.

Fig. 6 is an enlarged view of the area a in fig. 5.

Fig. 7 is an enlarged view of the area B in fig. 5.

Fig. 8 is a schematic view of the fastener structure of the present invention.

Fig. 9 is an enlarged view of the region C in fig. 8.

Fig. 10 is a schematic structural view of the heat dissipation mechanism of the present invention.

Fig. 11 is an enlarged view of the region D in fig. 10.

FIG. 12 is a schematic view of the structure of the pusher of the present invention.

Description of reference numerals: 1-a drive shaft; 2-installing a pipe; 3-a rotor assembly; 4-a rotor block; 5-inserting grooves; 6-an opening and closing mechanism; 7-a plug-in block; 8-communicating holes; 9-a fixing piece; 10-pushing the disc; 11-a connecting rod; 12-a clamping block; 13-nut caps; 14-thread groove; 15-a first gear; 16-a housing; 17-a rotor mechanism; 18-a stator; 19-end cap; 20-heat dissipation holes; 21-a heat dissipation mechanism; 22-a guide block; 23-a baffle plate; 24-a first spring; 25-a pusher; 26-a ring-shaped pipe; 27-a mounting block; 28-a push rod; 29-an output pipe; 30-a rotating tube; 31-a rotating member; 32-an output; 33-drive ring; 34-a mounting frame; 35-mounting a disc; 36-an inner gear ring; 37-a second gear; 38-fan blades; 39-centrifugal mass; 40-a guide groove; 41-sliding rail.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

Referring to fig. 1 to 12, a motor rotor and a motor shown in the drawings include a driving shaft 1, a rotor assembly 3, an opening and closing mechanism 6, a housing 16 and a rotor mechanism 17, a mounting tube 2 is fixedly connected to the driving shaft 1, the rotor assembly 3 includes a plurality of sets of rotor blocks 4, a plurality of sets of insertion slots 5 distributed at equal intervals are formed in the mounting tube 2, the rotor assembly 3 is used for fixedly mounting the plurality of sets of rotor blocks 4 in the plurality of sets of insertion slots 5, the opening and closing mechanism 6 is mounted on the driving shaft 1 and used for controlling the opening and closing states of heat dissipation ports of the motor, the opening and closing mechanism 6 includes two sets of first gears 15 fixedly mounted on the driving shaft 1, a stator 18 is fixedly connected in the housing 16, end covers 19 are fixedly connected at two ends of the housing 16, a plurality of heat dissipation holes 20 are formed in the end covers 19, one end of the driving shaft 1 is rotatably connected with the side surfaces of one set of the end cover 19, the other end cover 19 is rotatably connected with the end cover 19, and heat dissipation holes 21 for controlling the heat dissipation holes 20 to be opened when the first gears 15 rotate are formed in the two sets of the end covers 19.

Rotor subassembly 3 includes plug-in block 7 of fixed mounting on rotor block 4, plug-in block 7 pegs graft mutually with inserting groove 5, offer on rotor block 4 and be used for accelerating inside gas flow through the intercommunicating pore 8 in rotor block 4, be equipped with on the installation pipe 2 and be used for carrying out spacing fixed mounting 9 with plug-in block 7 and inserting groove 5, mounting 9 includes the promotion dish 10 with 1 outer wall sliding connection of drive shaft, the side fixedly connected with multiunit connecting rod 11 of promotion dish 10, connecting rod 11 and installation pipe 2 sliding connection, fixedly connected with multiunit respectively with inserting groove 5 sliding connection's joint piece 12 on the connecting rod 11, joint piece 12 and the side looks joint of plug-in block 7, the side of promoting dish 10 is rotated and is connected with nut lid 13, threaded groove 14 with nut lid 13 threaded connection is seted up to the one end of installation pipe 2.

During the use, insert plug-in block 7 on the rotor piece 4 respectively and assemble the cylindric motor rotor in the inserting groove 5, rotate nut lid 13 and make it twist with thread groove 14 screw thread, nut lid 13 promotes and pushes away driving disk 10 and drives connecting rod 11 and remove, connecting rod 11 drives joint piece 12 and slides in inserting groove 5 and blocks the side of plug-in block 7, can make plug-in block 7 can't pull out inserting groove 5, accomplish the installation of rotor piece 4, thereafter open one side end cover 19, insert in casing 16 with the end cover 19 of opposite side after installing, cover the one end that passes driving shaft 1 with the end cover 19 that takes off, and fix end cover 19 and casing 16 and can accomplish the installation, the motor starts to make driving shaft 1 rotate fast, utilize centrifugal force to make heat dissipation mechanism 21 operation open louvre 20, promote the internal gas flow, dispel the heat with higher speed, reduce the temperature when the rotor operation, centrifugal force reduces when the motor stops working, motor louvre 20 seals, prevent that external dust and interior devices of motor from continuously corroding, greatly prolonged the life of motor and rotor piece, set up to the violent assembled efficiency, the transport of the convenient and convenient motor that the transport of some people caused the drive shaft to transport and the convenient and transport.

Example 2

Referring to fig. 1 to 12 to describe embodiment 2, in this embodiment, the embodiment 1 is further described, the heat dissipation mechanism 21 in the figure includes a plurality of sets of guide blocks 22 fixedly mounted on the end cover 19, a baffle 23 for shielding the heat dissipation holes 20 is slidably connected to the guide blocks 22, the baffle 23 is made of light metal material to reduce resistance during pushing, one end of the baffle 23 is fixedly connected to a first spring 24 fixedly connected to the end cover 19, and the end cover 19 is provided with a pushing member 25 for pushing the baffle 23 to open the heat dissipation holes 20 in a linkage manner when the driving shaft 1 rotates.

The pushing piece 25 comprises a circular tube 26 fixedly mounted on the end cover 19, a mounting block 27 is fixedly connected to the baffle plate 23, a pushing rod 28 is fixedly connected to the mounting block 27, an output tube 29 is connected to the outer wall of the pushing rod 28 in a sliding mode, one end of the output tube 29 is fixedly connected with the circular tube 26, the output tube 29 is communicated with the circular tube 26, liquid is stored in the circular tube 26, a rotating tube 30 is rotatably connected to one side of the circular tube 26, the side face of the rotating tube 30 is communicated with the circular tube 26, it is guaranteed that the rotating tube 30 can continuously extrude the liquid in the circular tube 26 when rotating, a rotating piece 31 used for driving the rotating tube 30 to rotate in a relatively speed reducing mode when the driving shaft 1 rotates rapidly is arranged on the rotating tube 30, and an output piece 32 used for pushing the liquid in the rotating tube 30 into the output tube 29 when the rotating tube 30 rotates is arranged on the rotating tube 30.

When the device is used, the driving shaft 1 rotates to drive the first gear 15 to rotate, so that the rotating piece 31 operates to drive the rotating tube 30 to rotate at a reduced speed, meanwhile, the output piece 32 drives liquid in the rotating tube 30 to be pushed into the annular tube 26 and flow out through the output tube 29 through centrifugal force generated when the rotating tube 30 rotates, the liquid pressure in the output tube 29 is increased, the pushing rod 28 is pushed to move the mounting block 27 and the baffle 23 to slide on the guide block 22, the baffle 23 slides to open the heat dissipation holes 20, the heat dissipation holes 20 can be ensured to be in an open state when the motor operates, meanwhile, the opening degree of the heat dissipation holes 20 can be increased along with the increase of the rotating speed of the driving shaft 1, when the motor stops operating, the rotating piece 31 and the output piece 32 stop operating, the first spring 24 rebounds to push the baffle 23 to close the heat dissipation holes 20, the pushing rod 28 pushes the output tube 29, the liquid in the output tube 29 is pushed into the annular tube 26 and the rotating tube 30, the device integrally completes resetting, the heat dissipation holes 20 in the drawing are provided with two groups (including inner rings and outer rings) of the two groups of the heat dissipation holes 23 which slide in opposite sliding directions, the opening direction of the output tube 29 can be changed, the baffle 23, the baffle 20 can be convenient for improving the using effect and the using effect of the baffle 20.

Example 3

Referring to fig. 1 to 12 to describe embodiment 3, in this embodiment, embodiment 2 is further described, in the illustrated embodiment, the rotating member 31 includes a driving ring 33, the end cover 19 is fixedly connected with a mounting frame 34, the mounting frame 34 is fixedly connected with a mounting disc 35 rotatably connected with an outer wall of the driving shaft 1, an inner toothed ring 36 is fixedly connected with the mounting disc 35, a plurality of sets of second gears 37 engaged with the inner toothed ring 36 are rotatably connected to a side surface of the driving ring 33, the plurality of sets of second gears 37 are distributed at equal intervals and are all engaged with the first gear 15, a plurality of fan blades 38 fixedly connected with the rotating tube 30 are fixedly connected to a side surface of the driving ring 33, and the fan blades 38 located on the rotating tubes 30 on both sides are inclined in the same direction, so that the fan-moving directions of the fan blades 38 are the same, thereby ensuring smooth air flow inside the casing 16, the output member 32 includes a plurality of centrifugal blocks 39, a plurality of guide slots 40 are formed on the rotating tubes 30, a plurality of slide rails 41 are fixedly connected to the rotating tubes 30, and the centrifugal blocks 39 are slidably connected with the guide slots 40 and the slide rails 41.

When the centrifugal impeller is used, the driving shaft 1 drives the first gear 15 to rotate by utilizing the speed reduction principle of the planetary gear device, so that a plurality of groups of second gears 37 rotate simultaneously, the second gears 37 rotate while revolving around the driving shaft 1 on the inner gear ring 36, the revolution of the second gears causes the driving ring 33 to rotate around the driving shaft 1, the torque of the driving ring 33 is increased by utilizing the speed reduction principle of the planetary gear device, so that the rotating speed of the driving ring 33 is far less than that of the driving shaft 1, the driving force to the driving ring 33 when the driving shaft 1 rotates is greatly reduced, excessive energy waste is avoided, at the moment, the driving ring 33 only needs small force to rotate, simultaneously, the driving ring 33 drives the fan blades 38 to rotate, the fan blades 38 rotate unidirectionally to enable airflow inside the shell 16 to flow unidirectionally, air takes away large amount of heat in the rotor block 4 through the communication hole 8 and then is discharged through the heat dissipation hole 20 on the other side, so that a quick heat dissipation effect is realized, the centrifugal block 39 is thrown around when the rotating tube 30 rotates, so as to slide in the guide groove 40, the centrifugal block 39 enters the rotating tube 30 to extrude liquid inside the rotating tube 30, so as to push the annular tube 26 to push the liquid inside of the centrifugal block 23 to reversely flow back, and accordingly, thereby, and the rotating tube 30 is returned to interact.

It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. An electric machine rotor, comprising:

the driving device comprises a driving shaft (1), wherein a mounting pipe (2) is fixedly connected to the driving shaft (1);

further comprising:

the rotor assembly (3) comprises a plurality of groups of rotor blocks (4), a plurality of groups of inserting grooves (5) which are distributed at equal intervals are formed in the mounting pipe (2), and the rotor assembly (3) is used for fixedly mounting the plurality of groups of rotor blocks (4) in the plurality of groups of inserting grooves (5) respectively;

the opening and closing mechanism (6) is installed on the driving shaft (1) and used for controlling the opening and closing state of the motor heat dissipation opening.

2. An electric machine rotor as claimed in claim 1, characterized in that: the rotor assembly (3) comprises an inserting block (7) fixedly installed on the rotor block (4), the inserting block (7) is inserted into the inserting groove (5) in a plugging mode, the rotor block (4) is provided with a communicating hole (8) used for accelerating the flow of internal gas to pass through the rotor block (4), and a fixing piece (9) used for limiting and fixing the inserting block (7) and the inserting groove (5) is arranged on the installation pipe (2).

3. An electric machine rotor as claimed in claim 2, characterized in that: mounting (9) include with drive shaft (1) outer wall sliding connection's push away driving disk (10), the side fixedly connected with multiunit connecting rod (11) of push away driving disk (10), connecting rod (11) with installation pipe (2) sliding connection, on connecting rod (11) fixedly connected with multiunit respectively with inserting groove (5) sliding connection's joint piece (12), joint piece (12) with the side looks joint of inserting piece (7), the side of push away driving disk (10) is rotated and is connected with nut lid (13), the one end of installation pipe (2) seted up with nut lid (13) threaded connection's thread groove (14).

4. A rotor for an electrical machine, as claimed in claim 3, wherein: the opening and closing mechanism (6) comprises two groups of first gears (15) fixedly arranged on the driving shaft (1).

5. An electric machine, comprising: the motor rotor comprises a shell (16) and a rotor mechanism (17), wherein a stator (18) is fixedly connected in the shell (16), end covers (19) are fixedly connected to two ends of the shell (16) respectively, a plurality of groups of heat dissipation holes (20) are formed in each end cover (19), the rotor mechanism (17) comprises the motor rotor according to any one of claims 1 to 4, one end of a driving shaft (1) is rotatably connected with the side face of one group of the end covers (19), the other end of the driving shaft penetrates through the other group of the end covers (19) and is rotatably connected with the end covers (19), and heat dissipation mechanisms (21) used for controlling the heat dissipation holes (20) to be opened when a first gear (15) rotates are arranged on the two groups of the end covers (19).

6. An electrical machine as claimed in claim 5, wherein: the heat dissipation mechanism (21) comprises a plurality of groups of guide blocks (22) fixedly installed on the end cover (19), a baffle (23) used for shielding the heat dissipation holes (20) is connected to the guide blocks (22) in a sliding mode, one end of the baffle (23) is fixedly connected with a first spring (24) fixedly connected with the end cover (19), and a pushing piece (25) used for enabling the baffle (23) to be pushed to open the heat dissipation holes (20) in a linkage mode when the driving shaft (1) rotates is arranged on the end cover (19).

7. An electrical machine as claimed in claim 6, wherein: the pushing piece (25) comprises a ring-shaped pipe (26) fixedly mounted on the end cover (19), a mounting block (27) is fixedly connected to the baffle plate (23), a push rod (28) is fixedly connected to the mounting block (27), an output pipe (29) is connected to the outer wall of the push rod (28) in a sliding mode, one end of the output pipe (29) is fixedly connected with the ring-shaped pipe (26), the output pipe (29) is communicated with the ring-shaped pipe (26), the ring-shaped pipe (26) is used for storing liquid, a rotating pipe (30) is rotatably connected to one side of the ring-shaped pipe (26), the side face of the rotating pipe (30) is communicated with the ring-shaped pipe (26), a rotating piece (31) used for driving the rotating pipe (30) to rotate in a relatively decelerating mode when the driving shaft (1) rotates fast is arranged on the rotating pipe (30), and an output piece (32) used for pushing the liquid in the rotating pipe (30) into the output pipe (29) when the rotating pipe (30) rotates is arranged on the rotating pipe (30).

8. An electrical machine as claimed in claim 7, wherein: rotate piece (31) including drive ring (33), fixedly connected with mounting bracket (34) on end cover (19), on mounting bracket (34) fixedly connected with drive shaft (1) outer wall rotates mounting disc (35) of connecting, fixedly connected with inner gear ring (36) on mounting disc (35), the side of drive ring (33) rotate be connected with the multiunit with inner gear ring (36) second gear (37) that mesh mutually, the multiunit second gear (37) equidistant distribution just all meshes mutually with first gear (15), the side fixedly connected with of drive ring (33) with rotating tube (30) fixed connection's flabellum (38) are located both sides on rotating tube (30) flabellum (38) incline direction is the same.

9. An electrical machine as claimed in claim 8, wherein: the output piece (32) comprises a plurality of groups of centrifugal blocks (39), a plurality of groups of guide grooves (40) are formed in the rotating pipe (30), a plurality of groups of slide rails (41) are fixedly connected to the rotating pipe (30), and the centrifugal blocks (39) are in sliding connection with the guide grooves (40) and the slide rails (41).