Motor shell and motor

Abstract

The utility model belongs to the technical field of motors, and particularly relates to a motor shell and a motor, and the motor shell comprises a main shell, the rear end of which is provided with a mounting groove; the electric control shell is arranged at the rear end of the main shell and is matched with the mounting groove to form a mounting space, and the mounting space is used for mounting an electric control element module; wherein the electric control shell is provided with a through hole, and the through hole is used for installing the cooling fan after the motor main shaft penetrates through the through hole; a motor includes: a motor housing; the motor main body is arranged in the main shell and is provided with a motor main shaft; an electric control element module; the heat dissipation assembly is arranged at the rear end of the main shell and is provided with a heat dissipation fan; the heat dissipation assembly further comprises a heat dissipation shell which is detachably arranged on the main shell and is matched with the electric control shell to form a mounting cavity. The cooling fan is arranged on the motor main shaft in a sleeving mode and arranged in the installation cavity.

Description

Technical Field

[0001] The present technical solution relates to the technical field of motors, and in particular to a motor housing and a motor. Background Art

[0002] A motor is an electromagnetic device that converts or transmits electrical energy based on the law of electromagnetic induction. Its main function is to generate driving torque as a power source for electrical appliances or various machines.

[0003] The motor includes a motor body and a controller. The motor body includes a stator assembly and a rotor assembly for generating a driving torque. The controller is an integrated circuit that actively controls the motor to operate in a set direction, speed, angle, and response time.

[0004] Most of the existing motor controllers on the market are installed on the side wall of the motor housing, so the connection harness between the motor body and the controller needs to be extended from the outside into the motor body. This installation method is more troublesome to connect, and when the motor is installed, it is necessary to leave enough space for the connection of the controller line. Some controllers are also installed inside the motor, but because both the motor body and the controller are high-heat components, the heat dissipation of the motor is poor, which affects the normal use of the motor and seriously affects the service life of the motor. Summary of the invention

[0005] The purpose of the technical solution is to provide a motor housing and a motor, which solves the problem of inconvenient installation of the controller of the original motor by forming an installation space for installing the electric control component module through the installation groove formed at the rear end of the main housing and cooperating with the electric control housing.

[0006] The purpose of this technical solution is achieved in this way:

[0007] A motor housing comprises: a main housing, a mounting groove is formed at the rear end of which; and an electric control housing, which is arranged at the rear end of the main housing and cooperates with the mounting groove to form an installation space, and the installation space is used to install an electric control component module; wherein a through hole is opened on the electric control housing, and the through hole is used to install a cooling fan after the main shaft of the motor passes through.

[0008] Preferably, a wire threading hole is provided on the rear end surface of the main housing, and the wire threading hole is used for passing the motor wires connecting the motor body and the electric control element module.

[0009] A motor comprises: a motor housing; a motor body arranged in the main housing and having a motor main shaft; an electric control element module; and a heat dissipation component arranged at the rear end of the main housing and having a heat dissipation fan.

[0010] Preferably, the heat dissipation assembly further comprises a heat dissipation housing, which is detachably arranged on the main housing and cooperates with the electronic control housing to form an installation chamber; the heat dissipation fan is sleeved on the motor main shaft and placed in the installation chamber.

[0011] Preferably, the cooling fan is limited on the motor main shaft by a retaining spring.

[0012] Preferably, a mounting bracket is provided in the installation space, which is arranged on the main housing through a plurality of positioning columns and has a mounting hole through which the main shaft of the power supply motor passes; the electric control element module is arranged on the mounting bracket.

[0013] Preferably, the main shell is provided with a wire passing unit, which comprises: a ferrule 1, which is arranged in a slot 1 opened on the main shell and has a ferrule 1; and a ferrule 2, which is arranged in a slot 2 opened on the electronic control shell and has a ferrule 2; wherein, when the electronic control shell is installed on the main shell, the ferrule 1 abuts against the ferrule 2, at which time the ferrule 1 and the ferrule 2 cooperate to form a wire passing sleeve, and the ferrule 1 and the ferrule 2 cooperate to form a wire passing hole.

[0014] Preferably, a groove is provided in the wire passing sleeve, and the groove is used for installing the fixing sleeve.

[0015] Preferably, a bearing sleeve is arranged outside the motor main shaft, and the bearing sleeve is arranged in a limiting groove opened on the electric control housing.

[0016] Preferably, a protective cover is provided on the heat dissipation housing, and the protective cover is arranged beside the wire passing hole.

[0017] Preferably, a capacitor slot for installing a capacitor is provided at the rear end of the motor body.

[0018] Compared with the prior art, the technical solution has the following outstanding and beneficial technical effects:

[0019] 1. The motor housing designed in this technical solution consists of a main housing and an electronic control housing. The electronic control housing is arranged at the rear end of the main housing. The electronic control housing and the main housing are arranged in the same length direction, avoiding the situation where it is arranged on the side and is too wide and inconvenient to install. At the same time, the through hole opened on the electronic control housing can allow the motor shaft to pass through and connect to the cooling fan, so that the structure of the main housing, the electronic control housing and the cooling fan is compactly connected and occupies less space.

[0020] 2. The wire passing unit designed in this technical solution has a wire passing sleeve with high sealing performance. The electric control wires can be connected through the wire passing holes on the wire passing sleeve, and a groove is provided in the wire passing sleeve. A fixing sleeve can be arranged in the groove to further seal and fix the electric control wires. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the structure of the motor housing.

[0022] Figure 2 An exploded view of the motor housing.

[0023] Figure 3 This is a schematic diagram of the motor structure.

[0024] Figure 4 This is an exploded diagram of the motor.

[0025] Figure 5 A cross-sectional view of the motor.

[0026] Figure 6 It is a structural diagram of the line passing unit.

[0027] Figure 7 A top view of the main shell.

[0028] Figure numerals: 1. main housing; 2. mounting groove; 3. electric control housing; 4. through hole; 5. motor spindle; 6. cooling fan; 7. motor body; 8. electric control component module; 9. cooling housing; 10. retaining spring; 11. mounting bracket; 12. positioning column; 13. mounting hole; 14. wire passing unit; 15. sleeve 1; 16. slot 1; 17. hole 1; 18. sleeve 2; 19. slot 2; 20. hole 2; 21. wire passing sleeve; 22. wire passing hole; 23. groove; 24. bearing sleeve; 25. limit groove; 26. protective cover; 27. capacitor slot; 28. threading hole. DETAILED DESCRIPTION

[0029] The specific implementation of the technical solution is further described in detail below with reference to the accompanying drawings.

[0030] like Figure 1 and Figure 2 As shown, a motor housing includes a main housing 1 and an electric control housing 3. The electric control housing 3 is installed at the rear end of the main housing 1 and cooperates with the main housing 1 to form an installation space for placing an electric control component module 8.

[0031] Specifically, the four side walls at the rear end of the main shell 1 extend outward and cooperate with the rear end surface of the main shell 1 to form a mounting groove 2. The electric control shell 3 is detachably mounted on the main shell 1 by screws. The motor spindle 5 extends from the rear end surface of the main shell 1 and is placed in the mounting space. In addition, the electric control shell 3 is provided with a through hole 4 through which the motor spindle 5 passes. The motor spindle 5 can extend from this through hole 4 to connect with other motor components. In the present application, the motor spindle 5 is also connected to a cooling fan 6.

[0032] Furthermore, a threading hole 28 is provided on the rear end surface of the main housing 1 , and the threading hole 28 is used for passing the motor wires connecting the motor body 7 and the electric control component module 8 .

[0033] like Figure 3-5 As shown, a motor includes: a motor housing, a motor body 7, an electric control element module 8 and a heat dissipation component, the motor body 7 is arranged in the main housing 1, the electric control element module 8 is arranged in the electric control housing 3, the heat dissipation component is arranged at the rear ends of the main housing 1 and the electric control housing 3, the motor main shaft 5 extends from the motor body 7 and passes through the main housing 1 and the electric control housing 3 in sequence to extend into the heat dissipation housing 9 of the heat dissipation component, and is finally connected to the heat dissipation fan 6 of the heat dissipation component through a retaining spring 10, and a bearing sleeve 24 is arranged at the connection between the motor main shaft 5 and the electric control housing 3, and the bearing sleeve 24 is installed in a limiting groove 25 formed on the rear end surface of the electric control housing 3.

[0034] Furthermore, the electronic control housing 3 cooperates with the main housing 1 to form an installation space for installing the electronic control element module 8, and the heat dissipation housing 9 cooperates with the electronic control housing 3 to form an installation chamber for installing the heat dissipation fan 6. Both the electronic control housing 3 and the heat dissipation housing 9 can be detachably connected to the main housing 1, and the heat dissipation housing 9 is covered on the outside of the electronic control housing 3.

[0035] like Figure 3-5 As shown, a mounting bracket 11 is provided in the mounting space. The mounting bracket 11 is arranged on the main housing 1 through a plurality of positioning columns 12. The positioning columns 12 are arranged at the four corners of the mounting bracket to ensure that the mounting bracket 11 is stably placed in the mounting space. The electric control component module 8 is arranged on the mounting bracket 11. A mounting hole 13 for the power supply motor main shaft 5 to pass through is opened at the center of the mounting bracket 11.

[0036] Furthermore, the electric control element module 8 can realize sensory control and sensorless control of the motor, and the motor can adapt to different working requirements by switching the control mode.

[0037] like Figure 6 As shown, a wire passing unit 14 is provided on the main housing 1, and the wire passing unit 14 includes a wire passing sleeve 21 and a wire passing hole 22. The wire passing sleeve 21 is provided on the main housing 1 and the electronic control housing 3, and the wire passing hole 22 is formed in the wire passing sleeve 21. The wire passing sleeve 21 is detachably provided on the surface of the motor housing, and the wire passing hole 22 is used for passing the motor wires out and sealing the inside of the motor housing.

[0038] Specifically, the wire sleeve 21 is spliced ​​by a ferrule 15 and a ferrule 2 18. The ferrule 15 is arranged in a slot 16 opened on the main shell 1, and the ferrule 2 18 is arranged in a slot 2 19 opened on the electronic control shell 3. The ferrule 15 and the ferrule 2 18 have a clamping hole 17 and a clamping hole 20 respectively, and the clamping hole 17 and the clamping hole 20 cooperate to form a wire passing hole 22.

[0039] Furthermore, the wire sleeve 21 may be made of a rubber material with good sealing performance.

[0040] Furthermore, a groove 23 is provided in the wire sleeve 21, and the groove 23 is used to install the fixing sleeve. At this time, the wire sleeve 21 can be made of hard plastic material, and the fixing sleeve can be made of rubber material. The fixing sleeve is embedded in the groove 23 to achieve sealing around the motor wires.

[0041] Furthermore, if Figure 3 and Figure 4 As shown, the heat dissipation housing 9 has a protective cover 26 covering the wire hole 22 to further protect the motor wires.

[0042] like Figure 7 As shown, a capacitor slot 27 for mounting a capacitor is provided at the rear end of the motor body 7 .

[0043] The above shows and describes the basic principle and main features of the technical solution and the advantages of the technical solution. The technicians in this industry should understand that the technical solution is not limited by the above embodiments. The above embodiments and the description are only to illustrate the principle of the technical solution. Without departing from the spirit and scope of the technical solution, the technical solution will have various changes and improvements, which fall within the scope of the technical solution to be protected. The scope of protection claimed by the technical solution is defined by the attached claims and their equivalents.

Claims

1. A motor housing, characterized in that: include: A main housing (1) having a mounting groove (2) formed at its rear end; as well as An electric control housing (3) is arranged at the rear end of the main housing (1) and cooperates with the mounting groove (2) to form an installation space, wherein the installation space is used to install an electric control component module (8); The electric control housing (3) is provided with a through hole (4), and the through hole (4) is used to allow the main shaft (5) of the electric machine to pass through and then install a cooling fan (6).

2. A motor housing according to claim 1, characterized in that: The rear end surface of the main housing (1) is provided with a threading hole (28), and the threading hole (28) is used for passing the motor wires connecting the motor body (7) and the electric control element module (8).

3. A motor, characterized in that: include: A motor housing as claimed in claim 2; A motor body (7), which is arranged in the main housing (1) and has a motor main shaft (5); An electric control component module (8); and A heat dissipation component is arranged at the rear end of the main housing (1) and has a heat dissipation fan (6).

4. A motor according to claim 3, characterized in that: The heat dissipation assembly further comprises a heat dissipation housing (9), which is detachably arranged on the main housing (1) and cooperates with the electric control housing (3) to form an installation chamber; The heat dissipation fan (6) is sleeved on the motor main shaft (5) and placed in the installation chamber.

5. A motor according to claim 4, characterized in that: The cooling fan (6) is limited on the motor main shaft (5) by a retaining spring (10).

6. A motor according to claim 5, characterized in that: A mounting bracket (11) is arranged in the mounting space, which is arranged on the main housing (1) through a plurality of positioning columns (12) and is provided with a mounting hole (13) through which the main shaft (5) of the power supply machine passes; The electric control element module (8) is arranged on a mounting bracket (11).

7. A motor according to any one of claims 4 to 6, characterized in that: The main housing (1) is provided with a wire passing unit (14), which comprises: A clamping sleeve (15) is arranged in a clamping groove (16) provided on the main housing (1) and has a clamping hole (17); and A second clamping sleeve (18), which is arranged in a second clamping groove (19) provided on the electric control housing (3) and has a second clamping hole (20); When the electric control housing (3) is installed on the main housing (1), the first clamping sleeve (15) abuts against the second clamping sleeve (18), and at this time, the first clamping sleeve (15) and the second clamping sleeve (18) cooperate to form a wire sleeve (21), and the first clamping hole (17) and the second clamping hole (20) cooperate to form a wire hole (22).

8. A motor according to claim 7, characterized in that: The wire passing sleeve (21) is provided with a groove (23), and the groove (23) is used for installing the fixing sleeve.

9. A motor according to claim 8, characterized in that: A bearing sleeve (24) is arranged outside the motor main shaft (5), and the bearing sleeve (24) is arranged in a limiting groove (25) opened on the electric control housing (3).

10. The motor according to claim 9, characterized in that: The heat dissipation housing (9) is provided with a protective cover (26), and the protective cover (26) is arranged beside the wire passing hole (22).

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