Multifunctional motor structure

Abstract

The utility model relates to the technical field of vehicle-mounted motors. A multifunctional motor structure comprises a motor shell which is integrally machined and formed, a baffle is arranged at the top of the motor shell, a rotor is arranged in the motor shell and is of a hollow cylindrical structure, and a magnet is arranged on the outer side of the rotor in a plastic coating mode. The multifunctional motor structure provided by the utility model is more compact and reasonable in layout, the internal and external sealing performance of the whole motor is high, the stability of the motor structure is good, and different components can be assembled according to different actuator requirements to realize different functions; the technical problems that in the prior art, an existing motor is single in structure, layout, sealing and stabilizing effects of an internal structure cannot be further guaranteed, and more working requirements cannot be met are solved.

Description

Technical Field

[0001] The present invention relates to the technical field of vehicle-mounted motors, and in particular to a multifunctional motor structure. Background Art

[0002] The current mainstream electronic actuator system uses an independent motor to provide power, and uses an integrated controller and a number of high-precision sensors for precise control. It can not only provide different working outputs according to different working conditions, but also protect the assembly in time under some abnormal conditions (overload, overtemperature, stall, etc.).

[0003] Based on the current development trend of miniaturization, high power and high integration of electronic actuators, how to improve stability and product adaptability while meeting the needs of the entire vehicle is a problem that needs to be solved urgently, so there is a need for improvement. Summary of the invention

[0004] The present invention provides a multifunctional motor structure with a more compact and reasonable layout, high sealing inside and outside the motor as a whole, good stability of the motor structure, and can assemble different components according to different actuator requirements to achieve different functions; it solves the technical problems existing in the prior art that the current motor structure is relatively single, the layout, sealing and stability of the internal structure cannot be further guaranteed, and more work requirements cannot be met.

[0005] The above technical problems of the present invention are solved by the following technical solutions: a multifunctional motor structure, including a motor housing formed by an integrated machine, a baffle is provided on the top of the motor housing, a rotor is provided in the motor housing, the rotor is a hollow cylindrical structure, and a magnet is plastic-coated on the outside of the rotor. The magnet in the utility model is first injection molded, and then the rotor is directly plastic-coated on the outside of the magnet, and the rotor is a hollow cylindrical structure, which can ensure the stability and sealing of the internal structure. The rotor torque in the utility model is larger than that of the traditional shaft, and the cavity in the rotor can be equipped with four-cylinder, piston and other structures according to the actual needs of the matching actuator, and can be adapted to steering actuators, brake actuators, etc. It has a very wide adaptability and can achieve a multifunctional effect, and the sealing of the cylindrical structure is better than that of ordinary shafts.

[0006] Preferably, the baffle and the motor housing are interference fit. The motor housing in the utility model is formed by an integrated machine, and the baffle is pressed into the top of the motor housing by interference fit, which can ensure the sealing of the motor as a whole.

[0007] Preferably, the baffle is provided with a plug-in hole, in which a connector is installed. The plug-in hole on the baffle is reserved during processing, which is convenient for quick installation and positioning of the plug-in.

[0008] Preferably, the baffle plate surface is provided with air holes, and a sealing plug is provided in the air holes. The air holes on the baffle plate can be opened or not according to the needs. If the heat dissipation function is not required, the air holes can be omitted. The function of the air holes in the utility model is to increase the heat dissipation effect, and the sealing plug can be installed in the air holes for adjustment according to the needs.

[0009] Preferably, an assembly groove is reserved between the upper part of the baffle and the motor housing. The assembly groove between the upper part of the baffle and the motor housing is a space reserved when the baffle is pressed in, and the function of the assembly groove is to assemble different controller components according to different working requirements.

[0010] Preferably, the outer side of the rotor is integrally formed with a slot coated outside the magnet. The magnet in the utility model is first injection molded, and then the rotor is directly coated outside the magnet, and the slot is generated by the rotor being adapted to the magnet during the coating of the rotor.

[0011] Preferably, the motor housing is integrally formed with a plurality of lugs, each of which is provided with a mounting hole. The lugs in the utility model are flush with the top of the motor housing, and extend in a horizontal direction. The lugs cooperate with the mounting holes to quickly fix the motor as a whole on the counterpart through a fixing piece.

[0012] Preferably, the number of the hanging ears is 4. The number of hanging ears can be adjusted according to demand, and the present invention takes 4 hanging ears as an example for explanation.

[0013] Therefore, a multifunctional motor structure of the present invention has the following advantages: the layout is more compact and reasonable, the sealing of the motor inside and outside is high, the stability of the motor structure is good, and the cavity structure in the rotor can be assembled with different components according to different actuator requirements to achieve different functions. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a three-dimensional structural schematic diagram of a multifunctional motor structure of the utility model.

[0015] Figure 2 yes Figure 1 Schematic diagram of the top view structure.

[0016] Figure 3 yes Figure 1 Schematic diagram of the main structure.

[0017] Figure 4 yes Figure 1 Schematic diagram of the main cross-sectional structure.

[0018] Figure 5 yes Figure 1 Schematic diagram of the three-dimensional structure of the middle rotor.

[0019] In the figure, the motor housing 1, the hanging ear 2, the mounting hole 3, the baffle 4, the assembly groove 5, the connector hole 6, the connector 7, the vent hole 8, the sealing plug 9, the rotor 10, the cavity 11, and the magnet 12. DETAILED DESCRIPTION

[0020] The technical solution of the invention is further specifically described below through embodiments and in conjunction with the accompanying drawings.

[0021] Example:

[0022] like Figure 1 and 2 As shown in Figures 3, 4 and 5, a multifunctional motor structure includes a motor housing 1 formed by an integral machine, the top of the motor housing 1 is an open end, and the top of the motor housing 1 is integrally formed with four outwardly extending hanging ears 2, each of which is provided with a mounting hole 3.

[0023] A baffle plate 4 is installed on the top of the motor housing 1 . The baffle plate 4 and the motor housing 1 are in interference fit. An assembly groove 5 is reserved between the baffle plate 4 and the motor housing 1 above.

[0024] A connector hole 6 is provided on one side of the baffle plate 4 , and a connector 7 is installed in the connector hole 6 .

[0025] A vent hole 8 is formed on the other side of the baffle plate 4 , and a detachable sealing plug 9 is installed in the vent hole 8 .

[0026] A rotor 10 is installed at the center of the motor housing 1 . The rotor 10 is a hollow cylindrical structure. A cavity 11 is opened at the center of the rotor 10 . A plurality of magnets 12 are plastic-coated on the outside of the rotor 10 .

[0027] The outer wall of the rotor 10 is integrally injection-molded with a slot that is molded around the magnet 12 .

[0028] The motor housing 1 in the utility model is formed by an integrated machine, and the baffle 4 is pressed into the top of the motor housing 1 by interference fit, so as to ensure the sealing of the motor as a whole.

[0029] The assembly groove 5 between the upper part of the baffle plate 4 and the motor housing 1 is used to assemble different controller components according to different working requirements.

[0030] The magnet 12 of the present invention is firstly injection molded, and then the rotor 10 is directly overmolded outside the magnet 12 , and the rotor 10 is a hollow cylindrical structure, which can ensure the stability and sealing of the internal structure.

[0031] The torque of the rotor 10 in the utility model is greater than that of the traditional shaft, and the cavity 11 in the rotor 10 can be equipped with four-cylinder, piston and other structures according to the actual needs of the actuator, and can be adapted to steering actuators, brake actuators, etc., with very wide adaptability, and the sealing of the cylindrical structure is better than that of ordinary shafts.

[0032] The ventilation holes 8 on the baffle plate 4 can be opened or not according to the demand. The function of the ventilation holes 8 is to increase the heat dissipation effect. The sealing plug 9 can be installed in the ventilation holes 8 for adjustment according to the demand.

Claims

1. A multifunctional motor structure, characterized in that: It comprises a motor housing formed by an integrated machine, wherein a baffle is arranged on the top of the motor housing, a rotor is arranged in the motor housing, the rotor is a hollow cylindrical structure, and a magnet is plastic-coated on the outer side of the rotor.

2. A multifunctional motor structure according to claim 1, characterized in that: The baffle and the motor housing are in interference fit.

3. A multifunctional motor structure according to claim 2, characterized in that: The baffle is provided with a plug-in hole, in which a connector is installed.

4. A multifunctional motor structure according to claim 3, characterized in that: The baffle surface is provided with ventilation holes, and sealing plugs are arranged in the ventilation holes.

5. A multifunctional motor structure according to claim 4, characterized in that: An assembly groove is reserved between the upper part of the baffle and the motor housing.

6. A multifunctional motor structure according to claim 1, characterized in that: The outer side of the rotor is integrally formed with a clamping groove which is plastic-coated outside the magnet.

7. The multifunctional motor structure according to claim 1, characterized in that: A plurality of hanging ears are integrally formed on the motor housing, and each hanging ear is provided with a mounting hole.

8. A multifunctional motor structure according to claim 7, characterized in that: The number of the hanging ears is 4.

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