CN217508389U - Connecting structure of motor rotor magnet and shaft - Google Patents
Connecting structure of motor rotor magnet and shaft Download PDFInfo
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- CN217508389U CN217508389U CN202220880848.8U CN202220880848U CN217508389U CN 217508389 U CN217508389 U CN 217508389U CN 202220880848 U CN202220880848 U CN 202220880848U CN 217508389 U CN217508389 U CN 217508389U
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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
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- Y02T10/64—Electric machine technologies in electromobility
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Abstract
The utility model discloses a connection structure of electric motor rotor magnet and axle relates to motor technical field, and is relatively poor for solving current electric motor rotor magnet and the coupling part fastness of axle, takes place not hard up problem that leads to droing easily. Be provided with plum blossom cassette or aluminum accessories or integral type magnet on the outer wall of motor shaft, install rubber coating mechanism on the outer wall of plum blossom cassette, the both sides of rubber coating mechanism all are provided with first magnetism mechanism and the second of moulding and mould magnetism mechanism, the both sides of aluminum accessories are provided with the third respectively and mould magnetism mechanism and fourth and mould magnetism mechanism, the third is moulded magnetism mechanism and fourth and is moulded and be provided with the connection pole between the magnetism mechanism, the inside of aluminum accessories is provided with and runs through the round hole, and the aluminum accessories is through running through the round hole and being connected pole adaptation connection, rubber coating mechanism, the first inside of moulding magnetism mechanism and second and moulding magnetism mechanism all are provided with corresponding plum blossom groove.
Description
Technical Field
The utility model relates to the technical field of electric machines, specifically be a connection structure of electric motor rotor magnet and axle.
Background
The motor is an electromagnetic device for realizing electric energy conversion or transmission according to the electromagnetic induction law, a rotor of the motor is generally composed of a stator magnetic pole, a rotor, a commutator, an electric brush, a machine shell, a bearing and the like, the stator magnetic pole is made of a permanent magnet and is made of materials such as ferrite, alnico, neodymium iron boron and the like, and the stator magnetic pole can be divided into a cylinder type, a tile type and the like according to the structural form. Most of the electric motors used in tape recorders are cylindrical magnets, while most of the electric motors used in electric tools and automotive electric appliances are special block magnets, and the rotor magnet of the motor is connected with the connecting part of the shaft in a sleeving manner.
The connecting part of the existing motor rotor magnet and a shaft is poor in firmness, the problem that the magnet is easy to loosen and fall off is caused, and the normal use of a motor is influenced, so that the connecting structure of the motor rotor magnet and the shaft is provided.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a connection structure of electric motor rotor magnet and axle to the coupling part fastness of current electric motor rotor magnet and axle that proposes among the solution above-mentioned background art is relatively poor, takes place not hard up easily and leads to the problem that drops.
In order to achieve the above object, the utility model provides a following technical scheme: a connection structure of a motor rotor magnet and a shaft comprises a motor shaft, wherein a plum blossom-shaped clamping seat or an aluminum accessory or an integrated magnet is arranged on the outer wall of the motor shaft, a rubber coating mechanism is installed on the outer wall of the plum blossom-shaped clamping seat, a first plastic magnetic mechanism and a second plastic magnetic mechanism are arranged on two sides of the rubber coating mechanism, a third plastic magnetic mechanism and a fourth plastic magnetic mechanism are respectively arranged on two sides of the aluminum accessory, a connecting round rod is arranged between the third plastic magnetic mechanism and the fourth plastic magnetic mechanism, a through round hole is formed in the aluminum accessory, the aluminum accessory is in adaptive connection with the connecting round rod through the through round hole, corresponding plum blossom grooves are formed in the rubber coating mechanism, the first plastic magnetic mechanism and the second plastic magnetic mechanism, the rubber coating mechanism, the first plastic magnetic mechanism and the second plastic magnetic mechanism are correspondingly clamped with the plum blossom-shaped clamping seat through the corresponding plum blossom grooves, and the first plastic magnetic mechanism, The center positions of the second plastic magnetic mechanism, the third plastic magnetic mechanism and the fourth plastic magnetic mechanism are all provided with cross-connection shaft holes, and the diameter of each cross-connection shaft hole is equal to that of the motor shaft.
Preferably, the outer walls of the first plastic magnetic mechanism, the second plastic magnetic mechanism, the third plastic magnetic mechanism and the fourth plastic magnetic mechanism are provided with end face circular grooves, the first plastic magnetic mechanism, the second plastic magnetic mechanism, the third plastic magnetic mechanism and the fourth plastic magnetic mechanism are integrally formed, and the diameter of each end face circular groove is larger than that of the cross-connecting shaft hole.
Preferably, all be provided with the cassette perforation on the inside central point of plum blossom cassette and aluminium accessory puts, the cassette perforation is located same water flat line with the cross-under shaft hole, and the perforated diameter of cassette equals with the diameter in cross-under shaft hole, cassette perforation and motor shaft viscose fixed connection.
Preferably, the diameters of the rubber coating mechanism, the first plastic magnetic mechanism, the second plastic magnetic mechanism, the aluminum accessory, the third plastic magnetic mechanism and the fourth plastic magnetic mechanism are equal, the first plastic magnetic mechanism and the second plastic magnetic mechanism are symmetrically distributed about the rubber coating mechanism, and the third plastic magnetic mechanism and the fourth plastic magnetic mechanism are symmetrically distributed about the aluminum accessory.
Preferably, the cross-over shaft hole, the first plastic magnetic mechanism, the second plastic magnetic mechanism, the third plastic magnetic mechanism and the fourth plastic magnetic mechanism are integrally formed, and the center point of the cross-over shaft hole coincides with the center points of the first plastic magnetic mechanism, the second plastic magnetic mechanism, the third plastic magnetic mechanism and the fourth plastic magnetic mechanism.
Preferably, the first plastic magnetic mechanism, the second plastic magnetic mechanism, the third plastic magnetic mechanism and the fourth plastic magnetic mechanism are equal in size, the first plastic magnetic mechanism and the second plastic magnetic mechanism are opposite magnets, and the third plastic magnetic mechanism and the fourth plastic magnetic mechanism are integrally formed through a connecting round rod.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses plum blossom cassette viscose is fixed and is constituteed an organic whole structure on the motor shaft, then with rubber coating mechanism through corresponding the plum blossom groove cup joint install on the intermediate position of plum blossom cassette, then mould magnetic mechanism and the both sides that the rubber coating mechanism was installed respectively to the magnetic mechanism with first moulding, magnetic mechanism and second moulding are the opposite sex magnet each other, adsorb each other fixedly, or adopt the mode of assembling into the subassembly with the aluminum accessory motor shaft, then mould plastics magnetic mechanism and fourth moulding magnetic mechanism part with the subassembly third in putting into injection mold, integrative injection moulding, thereby reach the purpose of fixed connection electric motor rotor magnet and axle, it is relatively poor with the coupling part fastness of axle to have overcome current electric motor rotor magnet, take place easily not hard up the problem that leads to droing.
2. The first plastic magnetic mechanism and the second plastic magnetic mechanism are clamped and installed on the plum blossom-shaped clamping seat, the problem that the first plastic magnetic mechanism and the second plastic magnetic mechanism rotate on a motor shaft is avoided, the third plastic magnetic mechanism and the fourth plastic magnetic mechanism are integrally formed with an aluminum accessory in an injection molding mode, and the stability of a rotor magnet and the shaft connection is improved.
Drawings
Fig. 1 is a first scheme structural schematic diagram of a connection structure of a motor rotor magnet and a shaft according to the present invention;
fig. 2 is a schematic view of the connection structure between the first plastic magnetic mechanism and the plum blossom-shaped clamping seat;
FIG. 3 is a schematic view of a motor shaft structure of the present invention;
fig. 4 is a schematic structural view of the first plastic magnetic mechanism and the second plastic magnetic mechanism of the present invention;
fig. 5 is a structural schematic diagram of a second scheme of the connection structure of the motor rotor magnet and the shaft of the invention;
fig. 6 is a schematic structural view of a third plastic magnetic mechanism and a fourth plastic magnetic mechanism of the present invention;
FIG. 7 is a schematic view of the aluminum fitting of the present invention;
fig. 8 is a schematic structural view of a third scheme of the connection structure of the motor rotor magnet and the shaft according to the present invention.
In the figure: 1. a motor shaft; 2. a first plastic magnetic mechanism; 3. a second plastic magnetic mechanism; 4. a rubber coating mechanism; 5. a plum blossom cassette; 6. the shaft hole is connected in a penetrating way; 7. an end face circular groove; 8. punching a clamping seat; 9. corresponding to the plum blossom groove; 10. an aluminum fitting; 11. a third plastic magnetic mechanism; 12. a fourth plastic magnetic mechanism; 13. connecting the round bars; 14. the circular hole is penetrated; 15. an integral magnet.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Example 1
Referring to fig. 1-4, the present invention provides an embodiment: the utility model provides a connection structure of electric motor rotor magnet and axle, including motor shaft 1, be provided with plum blossom cassette 5 on the outer wall of motor shaft 1, install rubber coating mechanism 4 on the outer wall of plum blossom cassette 5, rubber coating mechanism 4's both sides all are provided with first magnetism mechanism 2 and the second of moulding and mould magnetism mechanism 3, rubber coating mechanism 4, the inside of first magnetism mechanism 2 and the second of moulding and mould magnetism mechanism 3 all is provided with corresponding plum blossom groove 9, rubber coating mechanism 4, first magnetism mechanism 2 and the second of moulding is moulded magnetism mechanism 3 and is corresponded the joint through corresponding plum blossom groove 9 with plum blossom cassette 5, all be provided with cross-under shaft hole 6 on the central point of first magnetism mechanism 2 and the second of moulding mechanism 3 puts, the diameter of cross-under shaft hole 6 equals with the diameter of motor shaft 1.
Further, all be provided with terminal surface circular slot 7 on the outer wall of magnetism mechanism 3 is moulded to first mould magnetism mechanism 2 and second, terminal surface circular slot 7 moulds magnetism mechanism 2 and second with first and mould magnetism mechanism 3 integrated into one piece setting, and the diameter of terminal surface circular slot 7 is greater than the diameter of cross-under shaft hole 6, and terminal surface circular slot 7 that all set up on the outer wall of magnetism mechanism 3 is moulded to first mould magnetism mechanism 2 and second plays the effect of bearing cross-under shaft hole 6 part.
Further, the inside central point of plum blossom cassette 5 puts and is provided with the cassette and perforates 8, and the cassette is perforated 8 and is located same water flat line with cross-under shaft hole 6, and the diameter that the cassette was perforated 8 equals with the diameter of cross-under shaft hole 6, and the cassette is perforated 8 and 1 viscose fixed connection of motor shaft, and the cassette perforation 8 of the inside setting of plum blossom cassette 5 plays the effect of the 1 cross-under cassette viscose integrated into one piece of motor shaft of being convenient for.
Further, the diameters of the rubber coating mechanism 4, the first plastic magnetic mechanism 2 and the second plastic magnetic mechanism 3 are equal, the first plastic magnetic mechanism 2 and the second plastic magnetic mechanism 3 are symmetrically distributed about the rubber coating mechanism 4, and the diameters of the rubber coating mechanism 4, the first plastic magnetic mechanism 2 and the second plastic magnetic mechanism 3 are equal, so that the uniformity of the whole connecting structure is improved.
Further, the cross-over shaft hole 6, the first plastic magnetic mechanism 2 and the second plastic magnetic mechanism 3 are integrally formed, the center point of the cross-over shaft hole 6 coincides with the center points of the first plastic magnetic mechanism 2 and the second plastic magnetic mechanism 3, and the cross-over shaft hole 6 plays a role in facilitating cross-over connection of the motor shaft 1, the first plastic magnetic mechanism 2 and the second plastic magnetic mechanism 3.
Further, the first plastic magnetic mechanism 2 and the second plastic magnetic mechanism 3 are equal in size, the first plastic magnetic mechanism 2 and the second plastic magnetic mechanism 3 are opposite magnets, and the first plastic magnetic mechanism 2 and the second plastic magnetic mechanism 3 are equal in size and play a role in facilitating opposite adsorption and positioning.
Example 2
Referring to fig. 5-7, the present invention provides an embodiment: the utility model provides a connection structure of electric motor rotor magnet and axle, including motor shaft 1, be provided with aluminum accessories 10 on the outer wall of motor shaft 1, aluminum accessories 10's both sides are provided with the third respectively and mould magnetic mechanism 11 and fourth and mould magnetic mechanism 12, it is provided with between magnetic mechanism 12 to mould magnetic mechanism 11 and the fourth and is connected pole 13 to mould magnetic mechanism 11, aluminum accessories 10's inside is provided with and runs through round hole 14, aluminum accessories 10 through running through round hole 14 with be connected pole 13 adaptation connection, it all is provided with cross-under shaft hole 6 on magnetic mechanism 11 and the fourth central point who moulds magnetic mechanism 12 puts to mould, the diameter in cross-under shaft hole 6 equals with the diameter of motor shaft 1.
Further, the outer walls of the third plastic magnetic mechanism 11 and the fourth plastic magnetic mechanism 12 are provided with end face circular grooves 7, the end face circular grooves 7 and the third plastic magnetic mechanism 11 and the fourth plastic magnetic mechanism 12 are integrally formed, the diameter of the end face circular grooves 7 is larger than that of the cross-connecting shaft hole 6, and the outer walls of the third plastic magnetic mechanism 11 and the fourth plastic magnetic mechanism 12 are provided with end face circular grooves 7 which play a role in bearing the cross-connecting shaft hole 6.
Further, all be provided with the cassette and perforate 8 on the inside central point of aluminium accessory 10 puts, the cassette is perforated 8 and is located same water flat line with cross-under shaft hole 6, and the diameter that the cassette was perforated 8 equals with cross-under shaft hole 6, and the cassette is perforated 8 and 1 viscose fixed connection of motor shaft, and the cassette perforation 8 that all sets up on the inside central point of aluminium accessory 10 puts plays the effect of the 1 cross-under cassette viscose integrated into one piece of motor shaft of being convenient for.
Further, the diameters of the aluminum fitting 10, the third plastic magnetic mechanism 11 and the fourth plastic magnetic mechanism 12 are equal, the third plastic magnetic mechanism 11 and the fourth plastic magnetic mechanism 12 are symmetrically distributed about the aluminum fitting 10, and the diameters of the aluminum fitting 10, the third plastic magnetic mechanism 11 and the fourth plastic magnetic mechanism 12 are equal, so that the uniformity of the integral connection structure is improved.
Further, the cross-over shaft hole 6, the third plastic magnetic mechanism 11 and the fourth plastic magnetic mechanism 12 are integrally formed, the center point of the cross-over shaft hole 6 coincides with the center points of the third plastic magnetic mechanism 11 and the fourth plastic magnetic mechanism 12, and the cross-over shaft hole 6 plays a role in facilitating cross-over connection of the motor shaft 1 with the third plastic magnetic mechanism 11 and the fourth plastic magnetic mechanism 12.
Further, the third plastic magnetic mechanism 11 and the fourth plastic magnetic mechanism 12 are equal in size, the third plastic magnetic mechanism 11 and the fourth plastic magnetic mechanism 12 are integrally formed through a connecting round rod 13, and the third plastic magnetic mechanism 11 and the fourth plastic magnetic mechanism 12 are equal in size and play a role in facilitating symmetrical combination of the connecting structures.
Example 3
Referring to fig. 8, the present invention provides an embodiment: the utility model provides a connection structure of electric motor rotor magnet and axle, includes motor shaft 1, is provided with integral type magnet 15 on the outer wall of motor shaft 1, and integral type magnet 15 sets up with motor shaft 1 integrated into one piece.
The working principle is as follows: the plum blossom-shaped clamping seat 5 is fixed on a motor shaft 1 by adhesive to form an integrated structure, then the encapsulation mechanism 4 is sleeved and installed on the middle position of the plum blossom-shaped clamping seat 5 through a corresponding plum blossom groove 9, then the first plastic magnetic mechanism 2 and the second plastic magnetic mechanism 3 are respectively installed on two sides of the encapsulation mechanism 4, the first plastic magnetic mechanism 2 and the second plastic magnetic mechanism 3 are mutually opposite magnets and are mutually adsorbed and fixed, or a mode that an aluminum accessory 10 is pressed into the motor shaft 1 to assemble an assembly is adopted, then the assembly is placed into an injection mold to be injected with a third plastic magnetic mechanism 11 and a fourth plastic magnetic mechanism 12, and the integrated injection molding is carried out, so that the purpose of fixedly connecting a rotor magnet and a shaft of the motor is achieved, the first plastic magnetic mechanism 2 and the second plastic magnetic mechanism 3 are installed on the plum blossom-shaped clamping seat 5 in a clamping manner, and the problem that the first plastic magnetic mechanism 2 and the second plastic magnetic mechanism 3 rotate on the motor shaft 1 is avoided, the third plastic magnetic mechanism 11 and the fourth plastic magnetic mechanism 12 are integrally formed with the aluminum accessory 10 through injection molding, so that the stability of the connection between the rotor magnet and the shaft is improved, and the installation and use work of the connection structure of the rotor magnet and the shaft of the motor is completed.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. The utility model provides a connection structure of electric motor rotor magnet and axle, includes motor shaft (1), its characterized in that: the motor shaft is characterized in that a plum blossom-shaped clamping seat (5) or an aluminum part (10) or an integrated magnet (15) is arranged on the outer wall of the motor shaft (1), a rubber coating mechanism (4) is installed on the outer wall of the plum blossom-shaped clamping seat (5), a first plastic magnetic mechanism (2) and a second plastic magnetic mechanism (3) are arranged on two sides of the rubber coating mechanism (4), a third plastic magnetic mechanism (11) and a fourth plastic magnetic mechanism (12) are respectively arranged on two sides of the aluminum part (10), a connecting round bar (13) is arranged between the third plastic magnetic mechanism (11) and the fourth plastic magnetic mechanism (12), a through round hole (14) is formed in the aluminum part (10), the aluminum part (10) is in adaptive connection with the connecting round bar (13) through the through round hole (14), and corresponding plum blossom grooves (9) are formed in the rubber coating mechanism (4), the first plastic magnetic mechanism (2) and the second plastic magnetic mechanism (3), rubber coating mechanism (4), first mould magnetism mechanism (2) and second and mould magnetism mechanism (3) and correspond the joint through corresponding plum blossom groove (9) and plum blossom cassette (5), all be provided with cross-under shaft hole (6) on the central point that magnetism mechanism (12) were moulded to first mould magnetism mechanism (2), second mould magnetism mechanism (3), third and mould magnetism mechanism (11) and fourth, the diameter of cross-under shaft hole (6) equals with the diameter of motor shaft (1).
2. A connection structure of a rotor magnet and a shaft of an electric motor according to claim 1, wherein: the outer walls of the first plastic magnetic mechanism (2), the second plastic magnetic mechanism (3), the third plastic magnetic mechanism (11) and the fourth plastic magnetic mechanism (12) are provided with end face circular grooves (7), the end face circular grooves (7) are integrally formed with the first plastic magnetic mechanism (2), the second plastic magnetic mechanism (3), the third plastic magnetic mechanism (11) and the fourth plastic magnetic mechanism (12), and the diameter of the end face circular grooves (7) is larger than that of the cross-connecting shaft hole (6).
3. A connection structure of a rotor magnet and a shaft of an electric motor according to claim 1, wherein: the inner center positions of the plum blossom-shaped clamping seat (5) and the aluminum fitting (10) are provided with clamping seat through holes (8), the clamping seat through holes (8) and the cross-connection shaft holes (6) are located on the same horizontal line, the diameter of the clamping seat through holes (8) is equal to that of the cross-connection shaft holes (6), and the clamping seat through holes (8) are fixedly connected with a motor shaft (1) in an adhesive mode.
4. A connection structure of a rotor magnet and a shaft of an electric motor according to claim 1, wherein: the diameters of the rubber coating mechanism (4), the first plastic magnetic mechanism (2), the second plastic magnetic mechanism (3), the aluminum accessory (10), the third plastic magnetic mechanism (11) and the fourth plastic magnetic mechanism (12) are equal, the first plastic magnetic mechanism (2) and the second plastic magnetic mechanism (3) are symmetrically distributed about the rubber coating mechanism (4), and the third plastic magnetic mechanism (11) and the fourth plastic magnetic mechanism (12) are symmetrically distributed about the aluminum accessory (10).
5. A connection structure of a rotor magnet and a shaft of an electric motor according to claim 1, wherein: the cross-over shaft hole (6) is integrally formed with the first plastic magnetic mechanism (2), the second plastic magnetic mechanism (3), the third plastic magnetic mechanism (11) and the fourth plastic magnetic mechanism (12), and the circle center point of the cross-over shaft hole (6) coincides with the circle center point of the first plastic magnetic mechanism (2), the second plastic magnetic mechanism (3), the third plastic magnetic mechanism (11) and the fourth plastic magnetic mechanism (12).
6. A connection structure of a rotor magnet and a shaft of an electric motor according to claim 1, wherein: the size of the first plastic magnetic mechanism (2), the second plastic magnetic mechanism (3), the third plastic magnetic mechanism (11) and the fourth plastic magnetic mechanism (12) is equal, the first plastic magnetic mechanism (2) and the second plastic magnetic mechanism (3) are opposite magnets, and the third plastic magnetic mechanism (11) and the fourth plastic magnetic mechanism (12) are integrally formed through a connecting round rod (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220880848.8U CN217508389U (en) | 2022-04-18 | 2022-04-18 | Connecting structure of motor rotor magnet and shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220880848.8U CN217508389U (en) | 2022-04-18 | 2022-04-18 | Connecting structure of motor rotor magnet and shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217508389U true CN217508389U (en) | 2022-09-27 |
Family
ID=83350638
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220880848.8U Active CN217508389U (en) | 2022-04-18 | 2022-04-18 | Connecting structure of motor rotor magnet and shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217508389U (en) |
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2022
- 2022-04-18 CN CN202220880848.8U patent/CN217508389U/en active Active
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