CN214590817U - High-performance rotor core - Google Patents

High-performance rotor core Download PDF

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Publication number
CN214590817U
CN214590817U CN202022866994.9U CN202022866994U CN214590817U CN 214590817 U CN214590817 U CN 214590817U CN 202022866994 U CN202022866994 U CN 202022866994U CN 214590817 U CN214590817 U CN 214590817U
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CN
China
Prior art keywords
rotor core
rotor
core body
rotating shaft
tooth
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CN202022866994.9U
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Chinese (zh)
Inventor
朱勇胜
钟平
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Zhongshan Chengjia Electric Appliance Co ltd
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Zhongshan Chengjia Electric Appliance Co ltd
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Priority to CN202022866994.9U priority Critical patent/CN214590817U/en
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Publication of CN214590817U publication Critical patent/CN214590817U/en
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Abstract

The utility model discloses a high performance rotor core, a serial communication port, include: the rotor core comprises a rotor core body, wherein a rotating shaft hole through which a rotating shaft can pass is formed in the center of the rotor core body in a penetrating manner, and a rotation stopping part is fixedly arranged in the rotating shaft hole; the rotor core comprises a rotor core body, a plurality of rotor tooth parts and a plurality of tooth grooves, wherein the rotor tooth parts are fixed on the periphery of the rotor core body at intervals and are T-shaped, the included angle of two adjacent rotor tooth parts is 21 degrees, a tooth groove is formed between the included angles of two adjacent rotor tooth parts, and the tooth groove angle is 21 degrees; the plurality of placing holes are uniformly distributed on the rotor core body at intervals and are arranged along the periphery of the placing holes; the supporting frame is arranged in the placing hole, and a cross-shaped supporting frame is fixed in the supporting frame; the recess, it is established in rotor teeth portion one side for noise when reducing rotor core and rotating, compare prior art, can reduce the heat at rotor winding during operation, increase rotor group's life.

Description

High-performance rotor core
Technical Field
The utility model relates to a motor production technical field, in particular to rotor core of high performance.
Background
The coil group wound and connected according to a certain rule in the armature of the motor is called as a rotor winding, and is one of the main components for realizing electromechanical energy conversion in the motor. The existing rotor winding generally includes a coil and a rotor core, and the manufacturing method of the rotor core generally includes the following two methods: for a cast aluminum cast copper rotor, fixing silicon steel sheets in a mode of laminating the silicon steel sheets on a tool for casting to form a rotor iron core; secondly, for the rotor core of the permanent magnet motor, the rotor core is generally manufactured by welding the excircle of the silicon steel sheet, punching a self-buckling point on the silicon steel sheet for buckling, or punching a rivet on the silicon steel sheet for riveting, or performing adhesive bonding by using a special adhesive.
At present, current rotor core includes iron core body and pivot, has seted up the shaft hole on the iron core body, and pivot interference fit is in the shaft hole to realize the fixed connection between pivot and the iron core body. However, the rotor winding generates a large amount of heat during operation, and the radial thickness of the rotating shaft and the iron core body is large, so that the heat dissipation capability of the rotor core is poor, the rotor core cannot be effectively dissipated, and the use effect and the service life of the rotor core are easily affected.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a high performance rotor core.
In order to achieve the above purpose, the utility model adopts the following scheme:
a high performance rotor core, comprising:
the rotor core comprises a rotor core body, wherein a rotating shaft hole through which a rotating shaft can pass is formed in the center of the rotor core body in a penetrating manner, and a rotation stopping part is fixedly arranged in the rotating shaft hole;
the rotor core comprises a rotor core body, a plurality of rotor tooth parts and a plurality of tooth grooves, wherein the rotor tooth parts are fixed on the periphery of the rotor core body at intervals and are T-shaped, the included angle of two adjacent rotor tooth parts is 21 degrees, a tooth groove is formed between the included angles of two adjacent rotor tooth parts, and the tooth groove angle is 21 degrees;
the plurality of placing holes are uniformly distributed on the rotor core body at intervals and are arranged along the periphery of the placing holes;
the supporting frame is arranged in the placing hole, and a cross-shaped supporting frame is fixed in the supporting frame;
and the groove is arranged on one side of the rotor tooth part and is used for reducing the noise generated when the rotor iron core rotates.
Furthermore, the rotating shaft is arranged in the rotating hole and communicated with the placing holes, a plurality of air holes are arranged at intervals in a penetrating mode, and heat dissipation holes corresponding to the air holes are formed in the supporting frame on one side close to the air holes.
Furthermore, a plurality of exhaust holes corresponding to the heat dissipation holes are formed in the cross support frame in a penetrating mode.
Preferably, the diameter of the outer circle of the rotor core body is 31.8 mm to 31.9 mm, and the diameter of the rotating shaft hole is 14 mm to 14.5 mm.
Preferably, the rotor tooth part comprises a strip part and an arc part, the width of the strip part is 3.1 mm to 3.2 mm, the length of the strip part is 28.2 mm to 28.3 mm, the width of the arc part is 2 mm to 2.1 mm, and the distance between two adjacent arc parts is 2.9 mm.
Preferably, a semicircular arc is arranged between two adjacent strip-shaped parts, and the diameter of the semicircular arc is 1.93 mm.
Preferably, the shape of the air holes and the heat dissipation holes is waist-shaped.
Preferably, the placing hole and the supporting frame are fan-shaped.
To sum up, the utility model discloses for its beneficial effect of prior art is:
by adopting the technology, the utility model can realize that the motor rotating shaft is inserted in the rotating shaft hole on the rotor core body when the rotor core is produced or manufactured, the rotation stopping part in the rotating shaft hole can better rotate when the motor rotating shaft is inserted and rotated, and can better stop the motor rotating shaft when the motor rotating shaft is stopped, a plurality of rotor tooth parts which are fixed on the periphery of the rotor core body at intervals wind the upper coil, the included angle between the adjacent two rotor tooth parts is 21 degrees, the wound coil is placed in the tooth socket with the angle of 21 degrees, the support frames are placed in the placing holes which are uniformly distributed on the rotor core body at intervals, the cross support frames are fixedly arranged in the support frames and are used for strengthening and supporting the strength of the rotating and correcting the rotor core body, when the rotor radiates heat, the heat is radiated through the structures on the support frames and the rotor core body, compared with the prior art, the heat can be reduced when the rotor winding works, the service life of the rotor set is increased.
Drawings
Fig. 1 is a perspective view of the present invention.
Fig. 2 is a schematic view of the half-section of the present invention.
Fig. 3 is an exploded view of the present invention.
Fig. 4 is a single schematic view of the "support frame" of the present invention.
Fig. 5 is a schematic view of a half-section of the support frame of the present invention.
Description of reference numerals: 1. a rotor core body; 2. a rotating shaft hole; 3. a rotor tooth portion; 4. a rotation stop section; 5. placing holes; 6. a support frame; 7. a groove; 8. a tooth socket; 9. a cross support frame; 21. air holes are formed; 22. heat dissipation holes; 61. an exhaust hole; 31. a strip portion; 32. an arc portion.
Detailed Description
The following detailed description provides many different embodiments or examples for implementing the invention. Of course, these are merely embodiments or examples and are not intended to be limiting. In addition, repeated reference numbers, such as repeated numbers and/or letters, may be used in various embodiments. These iterations are for simplicity and clarity of describing the present invention and are not intended to represent a particular relationship between the various embodiments and/or configurations discussed.
The invention will be further described with reference to the following description and embodiments in conjunction with the accompanying drawings:
a high performance rotor core as shown in fig. 1 to 5, comprising: a rotating shaft hole 2 through which a rotating shaft can pass is arranged at the center of the rotor core body 1, and a rotation stopping part 4 is fixedly arranged in the rotating shaft hole 2; the rotor tooth parts 3 are fixed on the periphery of the rotor iron core body 1 at intervals and are T-shaped, the included angle between two adjacent rotor tooth parts 3 is 21 degrees, a tooth socket 8 is formed between the included angles between two adjacent rotor tooth parts 3, and the angle of the tooth socket 8 is 21 degrees; the plurality of placing holes 5 are uniformly distributed on the rotor core body 1 at intervals and are arranged along the periphery of the placing holes 5; a support frame 6 which is arranged in the placing hole 5 and is internally fixed with a cross support frame 9; the groove 7 is arranged on one side of the rotor tooth part 3 and is used for reducing the noise generated when the rotor core rotates, when the rotor core is produced or manufactured, a motor rotating shaft is firstly inserted into a rotating shaft hole 2 on a rotor core body 1, the diameter of the excircle of the rotor core body 1 is 31.8 mm to 31.9 mm, the diameter of the rotating shaft hole 2 is 14 mm to 14.5 mm, a rotation stopping part 4 in the rotating shaft hole can better rotate the motor rotating shaft when the motor rotating shaft is inserted and rotated, and can better stop the motor rotating shaft when the motor rotating shaft is stopped, a plurality of rotor tooth parts 3 fixed on the periphery of the rotor core body 1 at intervals are wound with coils, each rotor tooth part 3 comprises a strip part 31 and a radian part 32, the width of each strip part 31 is 3.1 mm to 3.2 mm, the length of each strip part 31 is 28.2 mm to 28.3 mm, the width of each radian part 32 is 2 mm to 2.1 mm, and the distance between two adjacent radian parts 32 is 2.9 mm, a semicircular radian is arranged between the two adjacent strip-shaped parts 31, the diameter of the semicircular radian is 1.93 mm, the included angle of the two adjacent rotor tooth parts 3 is 21 degrees, the wound coil is placed in a tooth socket 8 with the angle of 21 degrees, the support frames 6 are placed in the placing holes 5 uniformly distributed on the rotor core body 1 at intervals, the placing holes 5 and the support frames 6 are fan-shaped, the cross-shaped support frames 9 are fixedly arranged in the support frames and used for strengthening the strength of the supporting and turning core body, when the rotor radiates heat, the heat is radiated through the support frames 6 and the structures on the rotor core body 1, the grooves 7 arranged on one side of the rotor tooth parts 3 can reduce the noise generated by the core when the rotor rotates, the support frames 6 and the structures on the rotor core body 1 are communicated in the rotating shaft hole 2, the placing holes 5 are communicated at intervals and provided with a plurality of air holes 21, be equipped with the louvre 22 that corresponds with bleeder vent 21 on being close to bleeder vent 21 one side and being located support frame 6, run through on the cross support frame 9 and be equipped with a plurality of exhaust holes 61 that correspond with louvre 22, bleeder vent 21 and louvre 22's shape are waist shape, compare prior art, can reduce the heat at rotor winding during operation, increase rotor group's life.
The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above, and it should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only illustrative of the principles of the present invention, and the present invention can be modified in various ways without departing from the spirit and scope of the present invention, and these modifications and changes fall into the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (8)

1. A high performance rotor core, comprising:
the rotor core comprises a rotor core body (1), wherein a rotating shaft hole (2) through which a rotating shaft can pass is formed in the center of the rotor core body, and a rotation stopping part (4) is fixedly arranged in the rotating shaft hole (2);
the rotor core comprises a rotor core body (1), a plurality of rotor tooth parts (3), a plurality of tooth parts (8) and a plurality of tooth parts (3), wherein the rotor tooth parts (3) are fixed on the periphery of the rotor core body (1) at intervals and are T-shaped, the included angle of two adjacent rotor tooth parts (3) is 21 degrees, the included angle between two adjacent rotor tooth parts (3) is a tooth socket (8), and the angle of the tooth socket (8) is 21 degrees;
the placing holes (5) are uniformly distributed on the rotor core body (1) at intervals and are arranged along the periphery of the placing holes (5);
a support frame (6) which is arranged in the placing hole (5) and is internally fixed with a cross support frame (9);
and the groove (7) is arranged on one side of the rotor tooth part (3) and is used for reducing the noise when the rotor iron core rotates.
2. The rotor core with high performance as claimed in claim 1, wherein a plurality of ventilation holes (21) are formed in the rotation shaft hole (2) and communicated with the placing hole (5) at intervals, and a heat dissipation hole (22) corresponding to the ventilation hole (21) is formed on the support frame (6) at a side close to the ventilation hole (21).
3. A high performance rotor core according to claim 1 or 2, wherein a plurality of exhaust holes (61) corresponding to the heat dissipation holes (22) are formed through the cross support frame (9).
4. The high-performance rotor core according to claim 1, wherein the diameter of the outer circle of the rotor core body (1) is 31.8 mm to 31.9 mm, and the diameter of the rotating shaft hole (2) is 14 mm to 14.5 mm.
5. The high-performance rotor core according to claim 1, wherein the rotor teeth (3) comprise a strip portion (31) and an arc portion (32), the strip portion (31) has a width of 3.1 mm to 3.2 mm, the strip portion (31) has a length of 28.2 mm to 28.3 mm, the arc portion (32) has a width of 2 mm to 2.1 mm, and a distance between two adjacent arc portions (32) is 2.9 mm.
6. A high performance rotor core according to claim 5, characterized in that a semicircular arc is provided between two adjacent strips (31), said semicircular arc having a diameter of 1.93 mm.
7. The high performance rotor core according to claim 2, wherein the ventilation holes (21) and the heat dissipation holes (22) are kidney-shaped.
8. A high performance rotor core according to claim 1, characterized in that the placement holes (5) and the support brackets (6) are fan-shaped.
CN202022866994.9U 2020-12-03 2020-12-03 High-performance rotor core Active CN214590817U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202022866994.9U CN214590817U (en) 2020-12-03 2020-12-03 High-performance rotor core

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202022866994.9U CN214590817U (en) 2020-12-03 2020-12-03 High-performance rotor core

Publications (1)

Publication Number Publication Date
CN214590817U true CN214590817U (en) 2021-11-02

Family

ID=78363578

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202022866994.9U Active CN214590817U (en) 2020-12-03 2020-12-03 High-performance rotor core

Country Status (1)

Country Link
CN (1) CN214590817U (en)

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