CN116961281A - Motor rotor with novel pressing plate - Google Patents

Motor rotor with novel pressing plate Download PDF

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Publication number
CN116961281A
CN116961281A CN202310932780.2A CN202310932780A CN116961281A CN 116961281 A CN116961281 A CN 116961281A CN 202310932780 A CN202310932780 A CN 202310932780A CN 116961281 A CN116961281 A CN 116961281A
Authority
CN
China
Prior art keywords
pressing plate
rotor
rotor core
motor rotor
novel
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202310932780.2A
Other languages
Chinese (zh)
Inventor
周彬
方晓晨
张利军
曹冠晖
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang Aosiweier Electric Technology Co ltd
Original Assignee
Zhejiang Aosiweier Electric Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zhejiang Aosiweier Electric Technology Co ltd filed Critical Zhejiang Aosiweier Electric Technology Co ltd
Priority to CN202310932780.2A priority Critical patent/CN116961281A/en
Publication of CN116961281A publication Critical patent/CN116961281A/en
Pending legal-status Critical Current

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Classifications

    • 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
    • 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
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
    • H02K15/02—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies

Abstract

The invention discloses a motor rotor with a novel pressing plate, which comprises a rotor component and a pressing plate assembly used for being locked according to a preset locking moment, wherein the pressing plate assembly is arranged on the rotor component, the rotor component comprises a rotating shaft, a flat pressing plate and a rotor iron core, the rotating shaft penetrates through a first pressing plate and the rotor iron core, a key slot used for being in clamping fit with the rotor iron core and the pressing plate assembly is arranged on the rotating shaft, the invention discloses a rotor core, which is characterized in that a convex clamping ring is arranged at one end of a rotating shaft, which is close to a flat pressing plate, the rotating shaft is connected to the flat pressing plate through the convex clamping ring, and the flat pressing plate and a pressing plate assembly are arranged at two ends of the rotor core.

Description

Motor rotor with novel pressing plate
Technical Field
The invention relates to the technical field of motor rotors, in particular to a motor rotor with a novel pressing plate.
Background
A motor rotor: as well as rotating components in the motor. The motor consists of a rotor and a stator, and is a conversion device for realizing electric energy and mechanical energy and electric energy, and the motor rotor is divided into a motor rotor and a generator rotor; the motor rotor is divided into an inner rotor rotation mode and an outer rotor rotation mode. The inner rotor rotates in such a way that a core in the middle of the motor is a rotating body, torque (referred to as a motor) or energy (referred to as a generator) is output, and the outer rotor rotates in such a way that an outer body of the motor is used as the rotating body, so that the application in various occasions is facilitated in different ways.
The structure of the rotor consists of a rotor core, a permanent magnet, a rotating shaft and a pressing plate. The locking forms of the rotor mainly comprise two types: one is locking by a round nut and a stop washer; the other is locked by interference fit of the pressing ring and the rotating shaft.
The main problems of the structure in which round nuts are used for locking and locking washers are: when the locking moment of the round nut reaches a design value, the condition that the buckle of the stop washer cannot be matched with the groove of the round nut exists, so that the locking moment is required to be increased when the condition is met in the actual process, the rotation angle of the round nut is increased, and the installation requirement of the buckle of the stop washer and the groove of the round nut can be met. However, at this time, the pressure applied to the central area of the rotor pressing plate increases, so that the circumferential end portion of the rotor pressing plate is tilted, the effect of pre-compacting the outer circle area of the rotor core cannot be achieved, the consistency of products cannot be ensured, and in the process, workers need to install 3 parts of the rotor pressing plate, the stop washer and the round nut first, so that the working time cost is increased.
In view of the foregoing, there is a need for a motor rotor with a novel platen to address the deficiencies of the prior art.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a motor rotor with a novel pressing plate, which aims to solve the problems that the circumferential end part of the pressing plate of the rotor is tilted, the effect of pre-compacting the outer circle area of the rotor core is not achieved, the consistency of products cannot be ensured, and the working time cost of workers is relatively high.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a motor rotor with novel clamp plate, includes rotor subassembly and is used for the clamp plate assembly according to the locking moment locking of predetermineeing, the clamp plate assembly is located on the rotor subassembly, the rotor subassembly includes pivot, flat clamp plate and rotor core, first clamp plate and rotor core are run through to the pivot, offer the keyway that is used for joint adaptation rotor core and clamp plate assembly in the pivot, the one end that the pivot is close to the flat clamp plate is equipped with protruding rand, the pivot is connected in the flat clamp plate through protruding rand, the both ends of rotor core are located to flat clamp plate and clamp plate assembly, rotor core's shaft hole inner wall is equipped with the protruding strip with keyway looks adaptation, rotor core's shaft hole inner wall has still offered the elongated slot. The pressing plate assembly can be used for locking according to preset locking moment, so that the consistency of products is ensured, the circumferential end part of the rotor pressing plate is smooth, the excircle area of the rotor iron core can be pre-compacted, and the pressing plate assembly is only required to be installed and locked, so that the labor hour cost is saved.
Further, the platen assembly includes a platen member and a nut insert, the platen member and the nut insert being interconnected.
Further, a concave table is arranged on the pressing plate, a connecting port for connecting the nut insert is formed in the middle of the pressing plate, and a plurality of short columns for positioning are arranged on the top wall of the concave table close to the outer edge of the connecting port;
the nut inserts include main part and connector, main part and connector fixed connection, the centre of nut inserts has been seted up and has been run through the axle hole of main part and connector, the outer fringe department that the main part roof is close to the axle hole of wearing is equipped with dashes and rivets the boss, the axial recess that is used for the adaptation to connect the short column has been seted up to the diapire of main part, the outer fringe of connector is equipped with the radial recess that is used for connecting the connector.
Further, the circular inner wall of the connecting port is provided with a groove structure matched with the radial groove, the connecting port is connected with the radial groove of the connecting port in an adaptive manner through the groove structure, and radial displacement of the pressing piece and the nut insert is avoided.
Further, the nut inserts are connected to the pressing plate pieces through the main bodies and the connectors, the number of the axial grooves formed in the main bodies is the same as that of the short columns, the axial grooves are opposite to the short columns in position, the main bodies are connected with the concave platforms through the axial grooves and the short columns which are the same in number and opposite in position, and therefore axial displacement of the pressing plate pieces and the nut inserts is avoided.
Furthermore, the nut inserts are clamped in the key grooves through the punching and riveting boss, and the anti-loosening effect is achieved through the cooperation of the punching and riveting boss and the key grooves through the punching and riveting process.
Further, radial protrusions for key grooves are arranged on the inner wall of the rotor core, and the rotor core is completely matched with the combining surface of the pressing plate assembly.
Further, the long groove is formed in one side, close to the protruding strip, of the inner wall of the rotor core, the long groove is parallel to the protruding strip, and the protruding strip is provided with a sliding notch.
The invention has the beneficial effects that:
1. according to the invention, the pressing plate assembly is arranged on the rotor assembly, so that the rotor assembly can be locked according to the preset locking moment, the circumferential end part of the pressing plate of the rotor is flat, the outer circle area of the rotor core can be pre-compacted, the consistency of products is ensured, and the working time cost is saved only by arranging and locking the pressing plate assembly;
2. according to the invention, the combination surface of the rotor core and the pressing plate assembly is completely matched, so that the pressing plate assembly can be locked under any rotation angle due to high flatness;
3. in the invention, the radial groove is reserved at the joint of the nut insert and the pressing plate, and the axial groove is reserved at the joint of the end face of the nut insert and the pressing plate, so that axial and radial movement cannot occur between the nut insert and the pressing plate, and the stability is high;
4. according to the invention, the thin-wall punching and riveting boss is arranged on the nut insert, so that the thin-wall punching and riveting boss and the reserved key slot of the rotating shaft can achieve an anti-loosening effect through a punching and riveting process, and the structure design is simple, reasonable, safe and reliable.
Drawings
Fig. 1 is a schematic structural assembly view of a motor rotor assembly according to the present invention.
Fig. 2 is a schematic perspective view illustrating the connection of the spindle and the platen assembly according to the present invention.
Fig. 3 is a schematic perspective view of a rotor core structure according to the present invention.
Fig. 4 is a schematic perspective view of a platen assembly according to the present invention.
FIG. 5 is a schematic cross-sectional view of a platen assembly of the present invention.
FIG. 6 is an exploded view of the platen assembly of the present invention.
Fig. 7 is a schematic front view of a nut insert structure of the present invention.
Fig. 8 is a perspective view of a nut insert structure of the present invention.
In the figure: 1-rotor assembly, 11-spindle, 111-keyway, 112-raised collar; 12-flat pressing plates, 13-rotor cores, 131-protruding strips and 132-long grooves; 2-platen assembly, 21-platen member, 211-concave platform, 2111-short column, 212-connection port, 22-nut insert, 221-main body, 2211-punch rivet boss, 2212-axial groove, 222-connection head, 2221-radial groove, 223-through shaft hole.
Detailed Description
In order that the invention may be readily understood, a more particular description thereof will be rendered by reference to specific embodiments that are illustrated in the appended drawings. It will be understood that when an element is referred to as being "fixed" to another element, it can be directly on the other element or one or more intervening elements may be present therebetween. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or one or more intervening elements may be present therebetween. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and/or" as used in this specification includes any and all combinations of one or more of the associated listed items.
Example 1:
as shown in fig. 1, 2 and 3, a motor rotor with a novel pressing plate comprises a rotor assembly 1 and a pressing plate assembly 2 used for being locked according to a preset locking moment, wherein the pressing plate assembly 2 is arranged on the rotor assembly 1, the rotor assembly 1 comprises a rotating shaft 11, a flat pressing plate 12 and a rotor iron core 13, the rotating shaft 11 penetrates through the first pressing plate 12 and the rotor iron core 13, a key slot 111 used for being in clamping fit with the rotor iron core 13 and the pressing plate assembly 2 is formed in the rotating shaft 11, a protruding clamping ring 112 is arranged at one end, close to the flat pressing plate 12, of the rotating shaft 11, the rotating shaft 11 is connected to the flat pressing plate 12 through the protruding clamping ring 112, the flat pressing plate 12 and the pressing plate assembly 2 are arranged at two ends of the rotor iron core 13, protruding strips 131 matched with the key slot 111 are arranged on the inner wall of a shaft hole of the rotor iron core 13, and a long slot 132 is formed in the inner wall of the shaft hole of the rotor iron core 13; the pressing plate assembly 2 comprises a pressing plate piece 21 and a nut insert 22, and the pressing plate piece 21 is connected with the nut insert 22; the pressing plate assembly 2 formed by the pressing plate piece 21 and the nut insert 22 is arranged on the rotor assembly 1, can be locked according to a preset locking moment, the circumferential end part of the pressing plate assembly 2 is smooth, the outer circle area of the rotor core 13 can be pre-compacted, the consistency of products is ensured, and only the pressing plate assembly 2 is required to be arranged and locked, so that the labor hour cost is saved.
Example 2:
as shown in fig. 1, 2 and 3, a motor rotor with novel clamp plate comprises a rotor assembly 1 and a clamp plate assembly 2 used for locking according to preset locking moment, wherein the clamp plate assembly 2 is arranged on the rotor assembly 1, the rotor assembly 1 comprises a rotating shaft 11, a flat clamp plate 12 and a rotor core 13, the rotating shaft 11 penetrates through the first clamp plate 12 and the rotor core 13, a key slot 111 used for being in clamping fit with the rotor core 13 and the clamp plate assembly 2 is formed in the rotating shaft 11, a protruding clamping ring 112 is arranged at one end, close to the flat clamp plate 12, of the rotating shaft 11, the rotating shaft 11 is connected to the flat clamp plate 12 through the protruding clamping ring 112, the flat clamp plate 12 and the clamp plate assembly 2 are arranged at two ends of the rotor core 13, protruding strips 131 matched with the key slot 111 are arranged on the inner wall of a shaft hole of the rotor core 13, and long slots 132 are formed in the inner wall of the shaft hole of the rotor core 13.
The platen assembly 2 includes a platen member 21 and a nut insert 22, the platen member 21 being interconnected with the nut insert 22.
The pressing plate 21 is provided with a concave table 211, a connecting port 212 for connecting the nut insert 22 is formed in the middle of the pressing plate 21, and a plurality of short columns 2111 for positioning are formed in the position, close to the outer edge of the connecting port 212, of the top wall of the concave table 211; the nut insert 22 comprises a main body 221 and a connector 222, the main body 221 and the connector 222 are fixedly connected, a through shaft hole 223 penetrating through the main body 221 and the connector 222 is formed in the middle of the nut insert 22, a punching and riveting boss 2211 is arranged at the position, close to the outer edge of the through shaft hole 223, of the top wall of the main body 221, an axial groove 2212 for adapting to the connecting short column 2111 is formed in the bottom wall of the main body 221, and a radial groove 2221 for connecting the connecting port 212 is formed in the outer edge of the connector 222; the rotor core 13 is completely matched with the joint surface of the pressing plate assembly 2, so that the pressing plate assembly 2 can be locked under any rotation angle due to high flatness; radial grooves 2221 are reserved at the joint of the nut insert 22 and the pressing plate piece 21, and axial grooves 2212 are reserved at the joint of the end surfaces of the nut insert 22 and the pressing plate piece 21, so that axial and radial movement cannot occur between the nut insert 22 and the pressing plate piece 21, and the stability is high; the nut insert 22 is provided with the thin-wall punching and riveting boss 2211, and the punching and riveting boss 2211 and the key groove 111 reserved in the rotating shaft 11 can achieve the anti-loosening effect through a punching and riveting process, so that the structure design is simple and reasonable, and the structure is safe and reliable.
Example 3:
as shown in fig. 1, 2 and 3, a motor rotor with novel clamp plate comprises a rotor assembly 1 and a clamp plate assembly 2 used for locking according to preset locking moment, wherein the clamp plate assembly 2 is arranged on the rotor assembly 1, the rotor assembly 1 comprises a rotating shaft 11, a flat clamp plate 12 and a rotor core 13, the rotating shaft 11 penetrates through the first clamp plate 12 and the rotor core 13, a key slot 111 used for being in clamping fit with the rotor core 13 and the clamp plate assembly 2 is formed in the rotating shaft 11, a protruding clamping ring 112 is arranged at one end, close to the flat clamp plate 12, of the rotating shaft 11, the rotating shaft 11 is connected to the flat clamp plate 12 through the protruding clamping ring 112, the flat clamp plate 12 and the clamp plate assembly 2 are arranged at two ends of the rotor core 13, protruding strips 131 matched with the key slot 111 are arranged on the inner wall of a shaft hole of the rotor core 13, and long slots 132 are formed in the inner wall of the shaft hole of the rotor core 13.
The pressing plate assembly 2 comprises a pressing plate piece 21 and a nut insert 22, and the pressing plate piece 21 is connected with the nut insert 22; the pressing plate 21 and the nut insert 22 are manufactured by adopting a casting process, the 45 steel nut insert and the aluminum alloy ADC12 pressing plate are die-cast together, the joint surface of the pressing plate assembly 2 and the rotor core 13 is processed to ensure the flatness, and the pressing plate assembly 2 can meet the locking under any rotation angle.
The pressing plate 21 is provided with a concave table 211, a connecting port 212 for connecting the nut insert 22 is formed in the middle of the pressing plate 21, and a plurality of short columns 2111 for positioning are formed in the position, close to the outer edge of the connecting port 212, of the top wall of the concave table 211; radial grooves 2221 are reserved at the joint of the nut insert 22 and the pressing plate piece 21, and axial grooves 2212 are reserved at the joint of the end surfaces of the nut insert 22 and the pressing plate piece 21, so that axial and radial movement cannot occur between the nut insert 22 and the pressing plate piece 21, and the stability is high;
the nut insert 22 comprises a main body 221 and a connector 222, the main body 221 and the connector 222 are fixedly connected, a through shaft hole 223 penetrating through the main body 221 and the connector 222 is formed in the middle of the nut insert 22, a punching and riveting boss 2211 is arranged at the position, close to the outer edge of the through shaft hole 223, of the top wall of the main body 221, an axial groove 2212 for adapting to the connecting short column 2111 is formed in the bottom wall of the main body 221, and a radial groove 2221 for connecting the connecting port 212 is formed in the outer edge of the connector 222; the nut insert 22 is provided with the thin-wall punching and riveting boss 2211, and the punching and riveting boss 2211 and the key groove 111 reserved in the rotating shaft 11 can achieve the anti-loosening effect through a punching and riveting process, so that the structure design is simple and reasonable, and the structure is safe and reliable.
The circular inner wall of the connection port 212 is provided with a groove structure matched with the radial groove 2221, and the connection port 212 is connected with the radial groove 2221 of the connection port 222 in an adapting way through the groove structure, so that radial displacement of the pressure plate 21 and the nut insert 22 is avoided.
The nut insert 22 is connected to the pressing plate 21 through the main body 221 and the connector 222, the number of axial grooves 2212 formed in the main body 221 is the same as the number of the short columns 2111, the axial grooves 2212 are opposite to the short columns 2111, and the main body 221 is connected to the concave table 211 through the axial grooves 2212 and the short columns 2111 which are the same and opposite to each other, so that the pressing plate 21 and the nut insert 22 are prevented from being axially displaced.
The nut insert 22 is adaptively clamped in the key slot 111 through the punch riveting boss 2211, the matching of the punch riveting boss 2211 and the key slot achieves the anti-loosening effect through a punch riveting process, the size of the punch riveting boss 2211 is 1 multiplied by 1.5mm, the size of the axial groove 2212 is phi 2 multiplied by 5mm, and the size of the radial groove 2221 is 2 multiplied by 2mm.
The inner wall of the rotor core 13 is provided with radial protrusions 131 for the key grooves 111, thereby facilitating the fixation of the rotation shaft 22.
The long groove 132 is formed on one side of the inner wall of the rotor core 13, which is close to the protruding strip 131, and the long groove 132 is parallel to the protruding strip 131, and the protruding strip 131 is provided with a sliding notch.
The working principle of the invention is as follows: when the anti-loosening device is used, the rotating shaft 11, the flat pressing plate 12 and the rotor core 13 are assembled in sequence, the rotating shaft 11 penetrates through the first pressing plate 12 and the rotor core 13, the key groove 111 on the rotating shaft 11 is adaptively connected with the protruding strip 131 of the rotor core 13, the protruding clamping ring 112 on the rotating shaft 11 is used for fixing and limiting the flat pressing plate 12, the whole assembly is completed through the threaded fit between the rotating shaft 11 and the pressing plate assembly 2, the rotor core 13 is folded and compacted, and finally the nut insert 22 is clamped into the key groove 111 at the end part of the rotating shaft 11 through a punching and riveting process, so that the anti-loosening effect on the pressing plate assembly 2 is achieved.
The essential effect of this embodiment 3 is:
the pressing plate assembly 2 is arranged on the rotor assembly 1, can be locked according to a preset locking moment, the circumferential end part of the rotor pressing plate is flat, the outer circle area of the rotor iron core 13 can be pre-compacted, the consistency of products is ensured, and the working time cost is saved only by arranging and locking the pressing plate assembly 2; the rotor core 13 is completely matched with the joint surface of the pressing plate assembly 2, so that the pressing plate assembly 2 can be locked under any rotation angle due to high flatness;
radial grooves 2221 are reserved at the joint of the nut insert 22 and the pressing plate piece 21, and axial grooves 2212 are reserved at the joint of the end surfaces of the nut insert 22 and the pressing plate piece 21, so that axial and radial movement cannot occur between the nut insert 22 and the pressing plate piece 21, and the stability is high; the thin-wall punching and riveting boss 2211 is arranged on the nut insert 22, and the thin-wall punching and riveting boss 2211 and the key groove 111 reserved in the rotating shaft 11 can achieve the anti-loosening effect through a punching and riveting process, so that the structure design is simple and reasonable, and the anti-loosening device is safe and reliable.
It should be noted that the description of the present invention and the accompanying drawings illustrate preferred embodiments of the present invention, but the present invention may be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, which are not to be construed as additional limitations of the invention, but are provided for a more thorough understanding of the present invention. The above-described features are continuously combined with each other to form various embodiments not listed above, and are considered to be the scope of the present invention described in the specification; further, modifications and variations of the present invention may be apparent to those skilled in the art in light of the foregoing teachings, and all such modifications and variations are intended to be included within the scope of this invention as defined in the appended claims.

Claims (9)

1. The utility model provides a motor rotor with novel clamp plate, its characterized in that, including rotor subassembly (1) and be used for according to clamp plate assembly (2) of locking moment locking of predetermineeing, on rotor subassembly (1) was located to clamp plate assembly (2), rotor subassembly (1) include pivot (11), flat clamp plate (12) and rotor core (13), pivot (11) run through first clamp plate (12) and rotor core (13), set up on pivot (11) be used for joint adaptation rotor core (13) and clamp plate assembly (2) keyway (111), the one end that pivot (11) is close to flat clamp plate (12) is equipped with protruding rand (112), pivot (11) are connected in Ping Yaban (12) through protruding rand (112), both ends that rotor core (13) were located to Ping Yaban (12) and clamp plate assembly (2), the shaft hole inner wall of rotor core (13) is equipped with protruding strip (131) with keyway (111) looks adaptation, elongated slot (132) have still been seted up to the shaft hole inner wall of rotor core (13).
2. The electric motor rotor with a novel pressure plate according to claim 1, characterized in that the pressure plate assembly (2) comprises a pressure plate member (21) and a nut insert (22), the pressure plate member (21) being interconnected with the nut insert (22).
3. The motor rotor with the novel pressing plate according to claim 2, wherein a concave table (211) is arranged on the pressing plate piece (21), a connecting port (212) for connecting a nut insert (22) is formed in the middle of the pressing plate piece (21), and a plurality of short columns (2111) for positioning are arranged on the top wall of the concave table (211) close to the outer edge of the connecting port (212);
nut inserts (22) include main part (221) and connector (222), main part (221) and connector (222) fixed connection, wear shaft hole (223) that run through main part (221) and connector (222) are seted up in the centre of nut inserts (22), main part (221) roof is close to the outer fringe department of wearing shaft hole (223) and is equipped with dashes and rivets boss (2211), axial recess (2212) that are used for adapting to connecting short column (2111) are seted up to the diapire of main part (221), the outer fringe of connector (222) is equipped with radial recess (2221) that are used for connecting connector (212).
4. A motor rotor with a novel pressure plate according to claim 3, characterized in that the circular inner wall of the connection port (212) is provided with a groove structure matching the radial groove (2221).
5. A motor rotor with a novel pressure plate according to claim 3, characterized in that the nut insert (22) is connected to the pressure plate member (21) by means of a body and a connector (222), the body (221) is provided with the same number of axial grooves (2212) as the studs (2111), and the axial grooves (2212) are opposite to the studs (2111).
6. The electric motor rotor with the novel pressing plate according to claim 5, wherein the nut insert (22) is adaptively clamped to the key groove (111) through the rivet-punching boss (2211).
7. A motor rotor with a novel pressure plate according to claim 1, characterized in that the inner wall of the rotor core (13) is provided with radial protrusions (131) for the keyways (111).
8. The motor rotor with the novel pressing plate according to claim 1, wherein the long groove (132) is formed on one side, close to the protruding strip (131), of the inner wall of the rotor core (13), and the long groove (132) and the protruding strip (131) are parallel to each other.
9. The motor rotor with the novel pressing plate as claimed in claim 8, wherein the protruding strip (131) is provided with a sliding notch.
CN202310932780.2A 2023-07-27 2023-07-27 Motor rotor with novel pressing plate Pending CN116961281A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310932780.2A CN116961281A (en) 2023-07-27 2023-07-27 Motor rotor with novel pressing plate

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310932780.2A CN116961281A (en) 2023-07-27 2023-07-27 Motor rotor with novel pressing plate

Publications (1)

Publication Number Publication Date
CN116961281A true CN116961281A (en) 2023-10-27

Family

ID=88457915

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202310932780.2A Pending CN116961281A (en) 2023-07-27 2023-07-27 Motor rotor with novel pressing plate

Country Status (1)

Country Link
CN (1) CN116961281A (en)

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