CN120127864B - A six-slot multi-pole permanent magnet staggered embedded rotor structure - Google Patents
A six-slot multi-pole permanent magnet staggered embedded rotor structureInfo
- Publication number
- CN120127864B CN120127864B CN202510326884.8A CN202510326884A CN120127864B CN 120127864 B CN120127864 B CN 120127864B CN 202510326884 A CN202510326884 A CN 202510326884A CN 120127864 B CN120127864 B CN 120127864B
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- permanent magnet
- rod
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/27—Rotor cores with permanent magnets
- H02K1/2706—Inner rotors
- H02K1/272—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis
- H02K1/274—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets
- H02K1/2753—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets the rotor consisting of magnets or groups of magnets arranged with alternating polarity
- H02K1/276—Magnets embedded in the magnetic core, e.g. interior permanent magnets [IPM]
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/28—Means for mounting or fastening rotating magnetic parts on to, or to, the rotor structures
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Permanent Field Magnets Of Synchronous Machinery (AREA)
Abstract
The invention provides a six-groove multipolar permanent magnet misplacement embedded rotor structure, and relates to the technical field of energy-saving motors. The novel rotary type permanent magnet motor comprises a rotor, wherein a central shaft hole and six permanent magnet grooves which are distributed in a rotationally symmetrical mode are formed in the rotor, a central rotating shaft is arranged in the central shaft hole, two permanent magnets are arranged in the permanent magnet grooves, six isosceles trapezoid holes which are distributed in a rotationally symmetrical mode are formed in the rotor, a mounting ring is arranged on the front side of the rotor, six lugs which are distributed in a rotationally symmetrical mode are integrally formed on the mounting ring, isosceles trapezoid inserting rods are mounted on the lugs, and one end, far away from the lugs, of each isosceles trapezoid inserting rod extends into the corresponding isosceles trapezoid hole. The six-groove multipolar permanent magnet dislocation embedded rotor structure provided by the invention has the advantages of convenience in overhauling and replacing the permanent magnets, simplicity in operation, time saving, capability of effectively avoiding axial movement of the central rotating shaft and flexible use.
Description
Technical Field
The invention relates to the technical field of energy-saving motors, in particular to a six-groove multipolar permanent magnet misplacement embedded rotor structure.
Background
The embedded permanent magnet synchronous motor is widely applied to a driving system of an electric automobile due to the characteristics of high efficiency and high power density, and can meet the requirements of the electric automobile on power performance and endurance mileage. The permanent magnets in the rotor of the embedded permanent magnet synchronous motor are fixed in the permanent magnet grooves of the rotor according to a certain rule, and the permanent magnets can be well protected by the structure, so that the permanent magnets are not easily influenced by external environment. Meanwhile, through the design of the shape and the position of the permanent magnet, the magnetic field distribution of the motor can be optimized, and the motor performance is improved.
At present, the permanent magnet in the embedded permanent magnet rotor is adhered and fixed through an adhesive, or is pressed and fixed through the cooperation of a pressing block and a bolt, and the permanent magnet can be reliably fixed in the permanent magnet groove, but when the motor fails and the permanent magnet needs to be overhauled and replaced, great inconvenience is caused to the disassembly and reinstallation work of the permanent magnet.
Therefore, it is necessary to provide a six-slot multipolar permanent magnet dislocation embedded rotor structure to solve the above technical problems.
Disclosure of Invention
The technical problem solved by the invention is to provide the six-groove multipolar permanent magnet dislocation embedded rotor structure which is convenient to overhaul and replace the permanent magnet, is simple to operate, saves time, can effectively avoid axial movement of the central rotating shaft and is flexible to use.
In order to solve the technical problems, the six-slot multipolar permanent magnet misplacement embedded rotor structure provided by the invention comprises: the rotor is internally provided with a central shaft hole and six permanent magnet grooves which are rotationally symmetrically distributed, a central rotating shaft is arranged in the central shaft hole, two permanent magnets are arranged in the permanent magnet grooves, six isosceles trapezoid holes which are rotationally symmetrically distributed are also arranged in the rotor, the front side of the rotor is provided with a mounting ring, six lugs which are rotationally symmetrically distributed are integrally formed on the mounting ring, an isosceles trapezoid inserted bar is arranged on the lugs, one end of the isosceles trapezoid inserted bar, which is far away from the lugs, extends into the corresponding isosceles trapezoid hole, a first square groove is formed on two inner waist surfaces of the isosceles trapezoid hole, a plurality of round abutting rods are slidably arranged in the first square groove, the circular propping rods are fixedly sleeved with first sleeve pieces positioned in the first square grooves, the outer walls of the circular propping rods are sleeved with first reset springs positioned in the first square grooves, one ends of the first reset springs are contacted with the first sleeve pieces, the other ends of the first reset springs are contacted with one side inner wall of the first square grooves opposite to the isosceles trapezoid inserting rods, one ends of the circular propping rods positioned in the first square grooves are contacted with waist surfaces of the isosceles trapezoid inserting rods, and the connection parts of the end surfaces of one ends of the isosceles trapezoid inserting rods, which are far away from the ear blocks, and the adjacent outer walls are of round corner design;
the front side fixed mounting of rotor has two fixed blocks, two all run through and slidable mounting have first round inserted bar on the fixed block, two the equal fixed mounting of one end that first round inserted bar is close to each other has first end plate, two all overlaps on the first round inserted bar and is equipped with first retaining spring, two the one end that first retaining spring is close to each other all with corresponding first end plate fixed connection, two the one end that first retaining spring kept away from each other all with corresponding fixed block fixed connection, two first round jack has been seted up in the installation ring, two the one end that first round inserted bar kept away from each other all extends to corresponding in the first round jack.
Preferably, a plurality of arc-shaped anti-slip grooves which are distributed in a rotationally symmetrical manner are formed in the outer ring of the mounting ring.
Preferably, the outer walls of the two mounting rings are respectively sleeved with a rotatable ring, the outer walls of the rotatable rings are integrally formed with a hand lever, and the front side surface of the rotor is fixedly provided with two stop blocks.
Preferably, a plurality of isosceles trapezoid holes are close to a side inner wall of the central rotating shaft and are all provided with second square grooves, the second square grooves are close to a side inner wall of the central rotating shaft and are provided with square stop rods in a sliding mode, second sleeve sheets in the second square grooves are fixedly sleeved on the square stop rods, second reset springs in the second square grooves are sleeved on the square stop rods, one ends of the second reset springs are in contact with the second sleeve sheets, the other ends of the second reset springs are in contact with one side inner wall of the isosceles trapezoid inserting rods, annular grooves are formed in the outer wall of the central rotating shaft, a plurality of ends of the square stop rods, close to each other, extend to the annular grooves, and one ends of the square stop rods in the second square grooves are in contact with one outer wall of the isosceles trapezoid inserting rods, close to the central rotating shaft.
Preferably, the square stop lever is far away from one end integrated into one piece of center pivot is provided with the hemisphere piece, the hemisphere piece with isosceles trapezoid inserted bar is close to one side outer wall of center pivot contacts.
Preferably, the isosceles trapezoid inserting rod comprises an upper inserting rod and a lower inserting rod, the lower inserting rod is slidably mounted at the bottom of the upper inserting rod, the upper inserting rod is fixedly mounted on the ear block, an avoidance opening is formed in the ear block, the lower inserting rod is located in the avoidance opening, and a locking mechanism for locking the lower inserting rod is arranged on the ear block.
Preferably, the locking mechanism comprises two second round inserting rods, two second end blocks, two driving arms and two second holding springs, the two second round inserting rods are respectively and slidably mounted on the inner walls of the two sides of the avoidance port, second round inserting holes located in the avoidance port are formed in the outer walls of the two sides of the lower inserting rods, one ends, close to each other, of the two second round inserting rods are respectively extended into the corresponding second round inserting holes, the two second end blocks are respectively arranged on the two sides of the ear blocks, one ends, far away from each other, of the two second round inserting rods are respectively extended to the two sides of the ear blocks, and are respectively and fixedly connected with the corresponding second end blocks, the two driving arms are respectively and fixedly mounted on the outer rings of the two second end blocks, the two second holding springs are respectively sleeved on the two second round inserting rods, one ends, close to each other, of the two second holding springs are fixedly connected with the corresponding second end blocks, and the two second end blocks are respectively and fixedly connected with the corresponding second end blocks.
Preferably, the locking mechanism further comprises two push rods and two fingerboards, the two push rods penetrate through and are slidably mounted on the ear blocks, one ends of the two push rods are fixedly connected with the corresponding driving arms, and the other ends of the two push rods are fixedly connected with the corresponding fingerboards.
Preferably, a hand groove is formed in the bottom of the lower insert rod, and a finger hole communicated with the avoidance opening is formed in the ear block.
Preferably, a positioning groove communicated with the avoidance opening is formed in the ear block, a positioning block is arranged on the lower inserting rod, and the positioning block is positioned in the positioning groove and is in contact with the inner wall of one side, close to the rotor, of the positioning groove.
Compared with the related art, the six-groove multipolar permanent magnet misplacement embedded rotor structure provided by the invention has the following beneficial effects:
The invention provides a six-groove multipolar permanent magnet staggered embedded rotor structure, which is characterized in that through the arrangement of isosceles trapezoid holes, mounting rings, ear blocks, isosceles trapezoid inserted bars, circular abutting bars, a first sleeve sheet, a first reset spring and other parts, in the process of inserting the isosceles trapezoid inserted bars into the isosceles trapezoid holes, a plurality of circular abutting bars can be automatically moved into permanent magnet grooves in sequence, finally, the permanent magnets are abutted and fixed, and through the arrangement of the fixing blocks, the first circular inserted bars, a first end plate, a first retaining spring, rotatable rings, hand bars and other parts, after the isosceles trapezoid inserted bars are inserted, the mounting rings for mounting the isosceles trapezoid inserted bars can be reliably locked, so that the isosceles trapezoid inserted bars can be prevented from moving at will, when the permanent magnets are required to be overhauled or replaced, the locking of the mounting rings can be released through simple operation, and then, the circular abutting bars can be automatically separated from the permanent magnets through the mounting rings, so that the overhauling and replacement of the permanent magnets can be greatly facilitated, and the whole operation is simple and time-saving;
The invention provides a six-groove multipolar permanent magnet misplacement embedded rotor structure, which is characterized in that through the arrangement of square stop rods, a second sleeve piece, a second reset spring and other parts, an annular groove is formed in a central rotating shaft, and in the process of inserting an isosceles trapezoid inserted link, a plurality of square stop rods can move and enter the annular groove, so that a relevant user can complete the fixation of the permanent magnet and simultaneously complete the limitation of the central rotating shaft, and the axial movement of the central rotating shaft is avoided;
The invention provides a six-groove multipolar permanent magnet misplacement embedded rotor structure, which is characterized in that an isosceles trapezoid inserting rod formed by combining an upper inserting rod and a lower inserting rod is arranged, the lower inserting rod can be separated from the upper inserting rod, a locking mechanism is arranged on an ear block to lock the lower inserting rod, the upper inserting rod can be inserted into an isosceles trapezoid hole to fix a permanent magnet when the permanent magnet is assembled firstly and then a central rotating shaft is assembled, the lower inserting rod is inserted into the isosceles trapezoid hole and locked through the locking mechanism after the assembly of the central rotating shaft is completed, the axial limitation of the central rotating shaft can be realized, the lower inserting rod and the upper inserting rod can be combined together and locked when the permanent magnet is assembled firstly and then are inserted into the isosceles trapezoid hole together, the axial limitation of the central rotating shaft can be realized when the permanent magnet is fixed firstly, and the advantage of flexible use is realized.
Drawings
FIG. 1 is a schematic diagram of a first embodiment of a six-slot multipolar permanent magnet dislocation embedded rotor structure provided by the invention;
FIG. 2 is an exploded schematic view of the six-slot multipole permanent magnet dislocated embedded rotor structure shown in FIG. 1;
FIG. 3 is a front cross-sectional view of the six-slot multipole permanent magnet dislocated embedded rotor structure shown in FIG. 1;
FIG. 4 is an enlarged schematic view of portion A shown in FIG. 3;
FIG. 5 is a schematic view of a connection structure of the isosceles trapezoid shaped pins and the mounting ring shown in FIG. 2;
FIG. 6 is a schematic view of the rotor shown in FIG. 2;
FIG. 7 is an enlarged schematic view of portion B shown in FIG. 6;
FIG. 8 is a schematic view of the circular tightening rod shown in FIG. 3;
FIG. 9 is a schematic view of the engagement of the circular plurality of tightening rods with the isosceles trapezoid shaped inserts shown in FIG. 3;
FIG. 10 is a front cross-sectional view of a second embodiment of a six-slot multipole permanent magnet dislocated embedded rotor construction provided by the present invention;
FIG. 11 is an enlarged schematic view of portion C of FIG. 10;
FIG. 12 is a schematic view of the center shaft shown in FIG. 10;
FIG. 13 is a schematic view of the cooperation of the plurality of center shafts, the plurality of square bars and the plurality of isosceles trapezoid shaped inserts shown in FIG. 10;
FIG. 14 is a schematic view of the structure of the square bar shown in FIG. 10;
FIG. 15 is a schematic view of a third embodiment of a six-slot multipolar permanent magnet dislocation embedded rotor structure provided by the present invention;
FIG. 16 is an enlarged schematic view of portion D of FIG. 15;
FIG. 17 is a schematic diagram of a connection structure of a plurality of isosceles trapezoid shaped insert rods and a mounting ring in the six-slot multipole permanent magnet dislocation embedded rotor structure shown in FIG. 15;
FIG. 18 is a schematic view of the isosceles trapezoid shaped plunger of FIG. 17;
FIG. 19 is an exploded view of the isosceles trapezoid shaped plunger of FIG. 18;
FIG. 20 is a schematic view of the lower plunger shown in FIG. 19;
FIG. 21 is a schematic view of the mounting ring of FIG. 15;
FIG. 22 is an enlarged schematic view of portion E of FIG. 21;
Fig. 23 is a schematic structural view of the locking mechanism shown in fig. 21.
In the drawing, the reference numerals are 1, a rotor, 101, a permanent magnet groove, 102, a central shaft hole, 103, an isosceles trapezoid hole, 1031, a first square groove, 1032, a second square groove, 2, a permanent magnet, 3, a central rotating shaft, 301, an annular groove, 4, a mounting ring, 401, a first round insertion hole, 5, an ear block, 501, a avoiding opening, 502, a finger hole, 6, an isosceles trapezoid insertion rod, 61, an upper insertion rod, 62, a lower insertion rod, 621, a positioning block, 6201, a second round insertion hole, 6202, a hand groove, 7, a round abutting rod, 8, a first sleeve piece, 9, a first return spring, 10, a first limit bar, 11, a fixed block, 12, a first round insertion rod, 13, a first end plate, 14, a first retaining spring, 15, a rotatable ring, 16, a hand rod, 17, a stop block, 18, a square stop rod, 19, a second sleeve piece, 20, a second return spring, 21, a second limit bar, 22, a second round insertion rod, 23, a second end block, 24, a second end plate, 25, a movable arm, 27 and a push rod.
Detailed Description
The invention will be further described with reference to the drawings and embodiments.
First embodiment
Referring to fig. 1 to 9 in combination, in a first embodiment of the present invention, a six-slot multipole permanent magnet dislocated embedded rotor structure includes: the rotor 1, the rotor 1 is internally provided with a central shaft hole 102 and six permanent magnet grooves 101 which are rotationally symmetrically distributed, the central shaft hole 102 is internally provided with a central rotating shaft 3, the permanent magnet grooves 101 are internally provided with two permanent magnets 2, the adjacent two permanent magnets 2 are dislocated at a certain angle in the circumferential direction, the rotor 1 is internally provided with six isosceles trapezoid holes 103 which are rotationally symmetrically distributed, the front side of the rotor 1 is provided with a mounting ring 4, the mounting ring 4 is integrally provided with six lugs 5 which are rotationally symmetrically distributed, the lugs 5 are provided with isosceles trapezoid inserting rods 6, one end of each isosceles trapezoid inserting rod 6 far from each lug 5 extends into the corresponding isosceles trapezoid hole 103, two inner waist surfaces of each isosceles trapezoid hole 103 are respectively provided with a first square groove 1031, one side inner wall of each first square groove 1031 relative to each isosceles trapezoid inserting rod 6 is provided with a plurality of round abutting rods 7 in a sliding manner, the round propping rods 7 are perpendicular to the waist surface on the corresponding isosceles trapezoid inserting rods 6, one ends of the round propping rods 7 far away from the center rotating shaft 3 extend into the corresponding permanent magnet grooves 101 and are contacted with the corresponding permanent magnets 2, the permanent magnets 2 are propped and fixed through the round propping rods 7, the outer walls of the round propping rods 7 are fixedly sleeved with first sleeve pieces 8 positioned in the first square grooves 1031, the outer walls of the round propping rods 7 are sleeved with first reset springs 9 positioned in the first square grooves 1031, one ends of the first reset springs 9 are contacted with the first sleeve pieces 8, the other ends of the first reset springs are contacted with one side inner wall of the first square grooves 1031 opposite to the isosceles trapezoid inserting rods 6, one ends of the round propping rods 7 positioned in the first square grooves 1031 are contacted with the waist surface of the isosceles trapezoid inserting rods 6, the first limit bar 10 is fixedly arranged on the inner wall of one side of the first square groove 1031, after the isosceles trapezoid inserting rod 6 is pulled out, the circular abutting rod 7 moves towards the square of the central rotating shaft 3 under the elasticity of the first reset spring 9 due to the fact that the isosceles trapezoid inserting rod 6 is out of the collision, until the first sleeve piece 8 collides with the first limit bar 10, the connection part of the end face of one end of the isosceles trapezoid inserting rod 6, which is far away from the ear block 5, and the adjacent outer wall is in a round design, and the connection part of the end face of one end of the circular abutting rod 7, which is close to the central rotating shaft 3, and the outer peripheral wall is also in a round design;
In order to lock the mounting ring 4, the front side of the rotor 1 is fixedly provided with two fixing blocks 11, the two fixing blocks 11 are respectively penetrated and slidably provided with a first circular inserting rod 12, one ends of the two first circular inserting rods 12, which are close to each other, are respectively fixedly provided with a first retaining spring 14, the two first circular inserting rods 12 are respectively sleeved with a first retaining spring 14, one ends of the two first retaining springs 14, which are close to each other, are respectively fixedly connected with the corresponding first end plates 13, one ends of the two first retaining springs 14, which are far away from each other, are respectively fixedly connected with the corresponding fixing blocks 11, two first circular inserting holes 401 are formed in the mounting ring 4, one ends of the two first circular inserting rods 12, which are far away from each other, are respectively extended into the corresponding first circular inserting holes 401, and under the limiting action of the two first retaining springs 14, one ends of the two first circular inserting rods 12, which are far away from each other, are respectively always located in the corresponding first circular inserting holes 401, so that the mounting ring 4 is prevented from moving back and forth, and then the isosceles trapezoid inserting rods 6 can be always located in the corresponding isosceles trapezoid holes 103.
In this embodiment, in order to facilitate drawing the mounting ring 4, a plurality of arc anti-slip grooves distributed in a rotationally symmetrical manner are provided on the outer ring of the mounting ring 4.
In this embodiment, after the first circular inserting rod 12 is pulled out from the first circular inserting hole 401, in order to avoid automatic resetting, rotatable rings 15 are rotatably sleeved on the outer walls of the two mounting rings 4, a hand rod 16 is integrally formed on the outer wall of the rotatable rings 15, two stop blocks 17 are fixedly mounted on the front side surface of the rotor 1, the hand rod 16 pulls the first circular inserting rod 12 towards the direction of the central rotating shaft 3, the first circular inserting rod 12 can be made to withdraw from the first circular inserting hole 401, and then the hand rod 16 is rotated by a certain angle to enable the stop block 17 to be located on one side of the stop block 17 close to the central rotating shaft 3, so that the stop block 17 can block the hand rod 16 to prevent the first circular inserting rod 12 from automatic resetting under the action of the first retaining spring 14.
In this embodiment:
When the permanent magnet device is used, firstly, the permanent magnet 2 is arranged in the permanent magnet groove 101, after the permanent magnet 2 is arranged, the two first circular inserting rods 12 are pulled towards the direction of the central shaft hole 102, after the hand rod 16 passes through the corresponding stop blocks 17, the hand rod 16 is rotated for a certain degree to be positioned between the stop blocks 17 and the central shaft hole 102, in the process, the first retaining springs 14 are stretched, after the hand rod 16 is loosened, under the action of the first retaining springs 14, the first circular inserting rods 12 perform reset movement, the stop blocks 17 can block the hand rod 16, so that the first circular inserting rods 12 are prevented from being completely reset, and the maximum distance between the two first circular inserting rods 12 is smaller than the inner diameter of the mounting ring 4 and cannot block the mounting ring 4;
After the front operation is finished, the mounting ring 4 is held by hand, six isosceles trapezoid inserting rods 6 are respectively inserted into six isosceles trapezoid holes 103 (the position of the first circular inserting holes 401 is kept to correspond to the first circular inserting rods 12 during insertion), then the mounting ring 4 is pushed until the mounting ring is attached to the rotor 1, in the process that the isosceles trapezoid inserting rods 6 enter the isosceles trapezoid holes 103, the circular angle surfaces between the end surfaces of one ends of the isosceles trapezoid inserting rods 6 far away from the lugs 5 and the two waist surfaces are sequentially abutted against a plurality of circular abutting rods 7, so that one ends of the circular abutting rods 7, which are contacted with the isosceles trapezoid inserting rods 6, gradually and completely enter the corresponding permanent magnet grooves 101, and the other ends of the circular abutting rods 7 abut against the permanent magnets 2, in the process, the first sleeve piece 8 is separated from the first limit bar 10, the first reset spring 9 is compressed, and after the mounting ring 4 is attached to the rotor, all the isosceles trapezoid inserting rods 6 are inserted into positions, all the circular abutting rods 7 in each first square groove 1031 are completely abutted against the corresponding permanent magnet grooves 2, and all the circular abutting rods 7 are tightly abutted against the permanent magnet 2, so that the circular abutting rods 2 can be fixed under the action;
After the fixing work of the fixed permanent magnet 2 is completed, the two hand levers 16 are sequentially rotated away from the corresponding stop blocks 17, and after the stop blocks 17 are lost, the first circular inserting rod 12 can perform reset movement under the tension of the first retaining spring 14, so that the first circular inserting rod is automatically inserted into the first circular inserting hole 401, the mounting ring 4 can be locked, and the isosceles trapezoid inserting rods 6 are prevented from moving randomly;
When the permanent magnet 2 needs to be overhauled or replaced subsequently, after the locking of the two first circular inserting rods 12 to the mounting ring 4 is released according to the operation mode, the mounting ring 4 is held by hand and pulled outwards, the isosceles trapezoid inserting rods 6 can be pulled out, after the collision of the isosceles trapezoid inserting rods 6 is lost, the circular abutting rods 7 can move towards the corresponding isosceles trapezoid holes 103 under the elasticity of the first reset springs 9, so that the circular abutting rods are separated from the permanent magnet 2, and then the permanent magnet 2 can be pushed out one by one and subjected to checking work.
Compared with the related art, the six-groove multipolar permanent magnet misplacement embedded rotor structure provided by the invention has the following beneficial effects:
Through the isosceles trapezoid hole 103, the mounting ring 4, the ear piece 5, the isosceles trapezoid inserted link 6, the circular abutting link 7, the first sleeve piece 8, the first reset spring 9 and other components, in the process of inserting the isosceles trapezoid inserted link 6 into the isosceles trapezoid hole 103, a plurality of circular abutting links 7 can be automatically moved into the permanent magnet groove 101 in sequence, finally the permanent magnet 2 is abutted and fastened, the mounting ring 4 for mounting the isosceles trapezoid inserted link 6 can be reliably locked through the arrangement of the fixing block 11, the first circular inserted link 12, the first end plate 13, the first retaining spring 14, the rotatable ring 15, the hand lever 16 and other components, the isosceles trapezoid inserted link 6 can be prevented from moving at will, when the permanent magnet 2 needs to be overhauled or replaced, the locking of the mounting ring 4 can be released through simple operation, and then the circular abutting link 7 and the permanent magnet 2 can be automatically and conveniently overhauled and replaced by the mounting ring 4, and the whole operation is simple and time-saving.
Second embodiment:
Based on the six-slot multipolar permanent magnet dislocation embedded rotor structure provided by the first embodiment of the application, the second embodiment of the application provides another six-slot multipolar permanent magnet dislocation embedded rotor structure. The second embodiment is merely a preferred manner of the first embodiment, and implementation of the second embodiment does not affect the implementation of the first embodiment alone.
A second embodiment of the present invention will be further described with reference to the drawings and embodiments.
Referring to fig. 10-14 in combination, in the six-slot multi-pole permanent magnet dislocation embedded rotor structure provided in this embodiment, a second square slot 1032 is still provided on an inner wall of one side of the plurality of isosceles trapezoid holes 103 near the central rotating shaft 3, a square stop lever 18 is slidably mounted on an inner wall of one side of the second square slot 1032 near the central rotating shaft 3, a second sleeve piece 19 located in the second square slot 1032 is fixedly sleeved on the square stop lever 18, a second return spring 20 located in the second square slot 1032 is sleeved on the square stop lever 18, one end of the second return spring 20 contacts with the second sleeve piece 19, the other end contacts with an inner wall of one side of the second square slot 1032 opposite to the isosceles trapezoid inserted link 6, a second limit bar 21 is fixedly mounted on an inner wall of one side of the second square slot 1032, after the isosceles trapezoid inserted link 6 is lost, the square stop lever 18 is reset under the elasticity of the second return spring 20 until the second sleeve piece 19 abuts against the second limit bar 21, the outer wall of the central rotating shaft 3 is provided with a second sleeve piece 301, one end of the plurality of stop levers 18 near each other and the isosceles trapezoid inserted link bar 18 is prevented from moving axially to the central rotating shaft 3 near the central rotating shaft 3, and the one side of the isosceles trapezoid inserted link 3 is prevented from contacting the central rotating shaft 3.
In this embodiment, in order to reduce the contact area between the square stop lever 18 and the isosceles trapezoid inserting rod 6 and reduce the resistance when the isosceles trapezoid inserting rod 6 is inserted, one end of the square stop lever 18 away from the central rotating shaft 3 is integrally formed with a hemispherical block, and the hemispherical block contacts with the outer wall of one side of the isosceles trapezoid inserting rod 6 close to the central rotating shaft 3.
In this embodiment:
because the connection part between the end surface of one end of the isosceles trapezoid inserting rod 6 far away from the ear block 5 and the outer wall of one side close to the central rotating shaft 3 is also a circular angle surface, in the process of inserting the isosceles trapezoid inserting rod 6 into the isosceles trapezoid hole 103, the circular abutting rod 7 can not only move, but also abut against the square stop rod 18, so that the square stop rod 18 moves along the direction of the circular angle facing the central rotating shaft 3, when the circular angle surface completely passes through the square stop rod 18, one end of the square stop rod 18 far away from the isosceles trapezoid inserting rod 6 enters into an annular groove 301 formed in the central rotating shaft 3, and the outer walls of the front side and the rear side of the square stop rod 18 are respectively contacted with the inner walls of the front side and the rear side of the annular groove 301, under the blocking action of the plurality of square stop rods 18, the central rotating shaft 3 can not axially move relative to the rotor 1in the subsequent use process, after the isosceles trapezoid inserting rod 6 is pulled out, the square stop rod 18 can perform reset movement under the elasticity of the second reset spring 20, one end of the square stop rod 18 far away from the second sleeve piece 19 can exit from the annular groove 301, and the central rotating shaft 3 is not blocked by the annular groove 3;
In the embodiment, through the arrangement of the square stop lever 18, the second sleeve piece 19, the second reset spring 20 and other parts, the annular groove 301 is formed in the central rotating shaft 3, and in the process of inserting the isosceles trapezoid inserted link 6, the square stop levers 18 can move and enter the annular groove 301, so that a relevant user can complete the fixation of the permanent magnet 2 and simultaneously complete the limitation of the central rotating shaft 3, and the axial movement of the central rotating shaft 3 is avoided;
it should be noted that this embodiment is only applicable to the situation where the center shaft 3 is assembled first and then the permanent magnet 2 is assembled.
A third embodiment of the present invention will be further described with reference to the drawings and embodiments.
Based on the six-slot multipolar permanent magnet dislocation embedded rotor structure provided by the second embodiment of the application, the third embodiment of the application provides another six-slot multipolar permanent magnet dislocation embedded rotor structure. The third embodiment is merely a preferred manner of the second embodiment, and implementation of the third embodiment does not affect the implementation of the second embodiment alone.
Referring to fig. 15-23, in the six-slot multipole permanent magnet dislocation embedded rotor structure provided in this embodiment, the isosceles trapezoid shaped insert rod 6 is a combination, and includes an upper insert rod 61 and a lower insert rod 62, the lower insert rod 62 is slidably mounted at the bottom of the upper insert rod 61, specifically, a T-shaped limit slide way is provided at the bottom of the upper insert rod 61, a T-shaped limit slide bar is integrally formed at the top of the lower insert rod 62, the T-shaped limit slide bar is slidably mounted in the T-shaped limit slide way, the upper insert rod 61 is fixedly mounted on the ear block 5, an avoidance hole 501 is provided on the ear block 5, the lower insert rod 62 is located in the avoidance hole 501, and a locking mechanism for locking the lower insert rod 62 is provided on the ear block 5.
Specifically, the locking mechanism comprises two second round inserting rods 22, two second end blocks 23, two driving arms 24 and two second holding springs 25, wherein the two second round inserting rods 22 are respectively and slidably installed on the inner walls of the two sides of the avoidance port 501, second round inserting holes 6201 positioned in the avoidance port 501 are respectively formed on the outer walls of the two sides of the lower inserting rod 62, one ends of the two second round inserting rods 22 close to each other extend into the corresponding second round inserting holes 6201, the two second end blocks 23 are respectively arranged on the two sides of the ear block 5, one ends of the two second round inserting rods 22 far from each other extend to the two sides of the ear block 5 and are fixedly connected with the corresponding second end blocks 23, the two driving arms 24 are respectively and fixedly installed on the outer rings of the two second end blocks 23, the two second holding springs 25 are respectively sleeved on the two second round inserting rods 22, one ends of the two second holding springs 25 close to each other are fixedly connected with the ear block 5, the two second holding springs 25 are fixedly connected with the corresponding second end blocks 23 at the ends far away from each other, the two second round inserting rods 22 can respectively move to two sides by pushing the two driving arms 24 to two sides respectively, and then the corresponding second round inserting holes 6201 are withdrawn, in order to further improve the convenience of operation, as shown in fig. 16 and 23, the locking mechanism further comprises two push rods 26 and two finger plates 27, the two push rods 26 are penetrated and slidably mounted on the ear blocks 5, one ends of the two push rods 26 are fixedly connected with the corresponding driving arms 24, the other ends of the two push rods 26 are fixedly connected with the corresponding finger plates 27, the two finger plates 27 are provided with avoiding sliding openings, the push rod 26 fixed on the left finger plate 27 penetrates through the avoiding sliding opening on the right finger plate 27, the push rod 26 fixed on the right finger plate 27 penetrates through the avoiding sliding opening on the left finger plate 27, this design allows the person in question to push the two carrying arms 24 to move sideways by means of the two push rods 26, respectively, during the process of pinching the two finger plates 27 inwards by the index finger and thumb.
In this embodiment, in order to facilitate the lower insert rod 62 to be drawn out separately, a hand groove 6202 is formed in the bottom of the lower insert rod 62, and a finger hole 502 communicating with the avoiding opening 501 is formed in the ear piece 5.
In this embodiment, when the lower insert rod 62 is installed, in order to locate the lower insert rod 62, a positioning groove which is communicated with the avoiding opening 501 is formed in the ear block 5, a positioning block 621 is arranged on the lower insert rod 62, the positioning block 621 is arranged at the top of the T-shaped limiting sliding bar, the positioning block 621 is located in the positioning groove and is in contact with the inner wall of one side of the positioning groove, which is close to the rotor 1, in the process of inserting the lower insert rod 62, after the positioning block 621 completely enters the positioning groove, the lower insert rod 62 is blocked by the inner wall of the positioning groove and cannot further advance, at this time, the lower insert rod 62 is installed in place, and the two second round insertion holes 6201 are axially aligned with the two second round insert rods 22.
In this embodiment:
Through the arrangement, when the permanent magnet 2 is assembled firstly and then the central rotating shaft 3 is assembled, the upper inserting rod 61 can be inserted into the isosceles trapezoid hole 103 firstly, so that the plurality of round abutting rods 7 move to tightly fix the permanent magnet 2, the plurality of square stop rods 18 cannot collide in the process, and therefore cannot move, the installation of the central rotating shaft 3 cannot be blocked, after the installation of the central rotating shaft 3 is completed, the plurality of lower inserting rods 62 are inserted into the isosceles trapezoid hole 103, when the central rotating shaft 3 is inserted, the two finger plates 27 are pinched inwards by the index finger and thumb firstly, the two driving arms 24 are pushed to move to two sides respectively, the two second round inserting rods 22 are driven by the two driving arms 24 to move reversely, one ends of the two second round inserting rods 22 close to each other enter the lug 5, the blocking of the lower inserting rods 62 cannot be formed, then, under the condition that the two driving arms 24 are not reset, the lower inserting rod 62 is inserted into the permanent magnet groove 101 through the avoiding opening 501, when the lower inserting rod 62 is inserted, the T-shaped limiting slide bar on the lower inserting rod 62 is aligned with the T-shaped limiting slide rail on the upper inserting rod 61 and is forcefully pushed in, the square stop rod 18 is abutted in the process of inserting the lower inserting rod 62, one end of the square stop rod 18 far away from the lower inserting rod 62 enters into the annular groove 301 on the central rotating shaft 3, after the lower inserting rod 62 is inserted in place, the second round inserting holes 6201 on two sides of the square stop rod are respectively aligned with the two second round inserting rods 22 axially, then the two finger plates 27 can be loosened, after the manual retention is lost, the two second round inserting rods 22 can perform reset motion under the pulling force of the two second retaining springs 25, and accordingly can be inserted into the corresponding second round inserting holes 6201 to lock the lower inserting rod 62;
When the central rotating shaft 3 needs to be replaced subsequently, the plurality of lower inserted rods 62 can be pulled out successively to release the axial limitation of the central rotating shaft 3, and the special operation is that the two finger plates 27 are pinched inwards by the index finger and the thumb, through the description of the working principle, the two second round inserted rods 22 respectively move back to the two sides so as to withdraw from the corresponding second round insertion holes 6201, thus the locking of the lower inserted rods 62 is released, then related personnel can pass through the finger holes 502 and extend upwards into the hand-digging grooves 6202 through the fingers, finally the lower inserted rods 62 are pulled outwards to release the axial limitation of the central rotating shaft 3, after the lower inserted rods 62 are pulled out, the square stop rods 18 can perform reset movement under the elasticity of the second reset springs 20 due to losing the interference, and one ends of the square stop rods 18 far away from the second sleeve pieces 19 finally withdraw from the annular grooves 301, thus the axial limitation of the central rotating shaft 3 can be released;
when the central rotating shaft 3 is assembled first and then the permanent magnet 2 is assembled, the lower insert rod 62 and the upper insert rod 61 can be combined together, the lower insert rod 62 is also fixed by the locking mechanism, and then the lower insert rod 62 and the upper insert rod 61 are inserted into the isosceles trapezoid hole 103 together;
In this embodiment, by providing the isosceles trapezoid shaped insert rod 6 formed by combining the upper insert rod 61 and the lower insert rod 62, the lower insert rod 62 can be separated from the upper insert rod 61, and the locking mechanism is arranged on the ear block 5 to lock the lower insert rod 62, when the permanent magnet 2 is assembled first and then the central rotating shaft 3 is assembled, the upper insert rod 61 can be inserted into the isosceles trapezoid shaped hole 103 first to fix the permanent magnet 2, after the central rotating shaft 3 is assembled, the lower insert rod 62 is inserted into the isosceles trapezoid shaped hole 103 and locked by the locking mechanism, so that the axial limitation of the central rotating shaft 3 can be realized, when the permanent magnet 2 is assembled first and then the upper insert rod 62 is inserted into the isosceles trapezoid shaped hole 103, the permanent magnet 2 is fixed, and the axial limitation of the central rotating shaft 3 can be realized.
The foregoing description is only illustrative of the present invention and is not intended to limit the scope of the invention, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present invention.
Claims (10)
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| CN202510326884.8A CN120127864B (en) | 2025-03-19 | 2025-03-19 | A six-slot multi-pole permanent magnet staggered embedded rotor structure |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015018402A2 (en) * | 2013-08-09 | 2015-02-12 | Bühler Motor GmbH | Electrical machine |
| CN214069689U (en) * | 2021-01-05 | 2021-08-27 | 江苏霆毅机电设备有限公司 | Novel solid rotor of permanent magnet synchronous motor |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112737176A (en) * | 2020-12-29 | 2021-04-30 | 滨州博而特电机有限公司 | Rotor of permanent magnet motor |
| WO2023045264A1 (en) * | 2021-09-27 | 2023-03-30 | 佛山市威灵洗涤电机制造有限公司 | Rotor structure, electric motor structure, and electronic device |
| CN115664147A (en) * | 2022-11-03 | 2023-01-31 | 电子科技大学中山学院 | Oblique magnetic pole type permanent magnet synchronous motor |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015018402A2 (en) * | 2013-08-09 | 2015-02-12 | Bühler Motor GmbH | Electrical machine |
| CN214069689U (en) * | 2021-01-05 | 2021-08-27 | 江苏霆毅机电设备有限公司 | Novel solid rotor of permanent magnet synchronous motor |
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