CN216436940U

CN216436940U - Motor with a motor shaft

Info

Publication number: CN216436940U
Application number: CN202122465423.9U
Authority: CN
Inventors: 雷诗琼
Original assignee: Shenzhen Envision Motor Co ltd
Current assignee: Shenzhen Envision Motor Co ltd
Priority date: 2021-10-13
Filing date: 2021-10-13
Publication date: 2022-05-03
Anticipated expiration: 2031-10-13

Abstract

The utility model belongs to the technical field of power devices, and discloses a motor, which comprises a shell, an output shaft, a stator component, a rotor component, a rear end cover and a dust cover component, wherein the stator component is arranged on the inner wall of the shell; the rotor assembly is arranged in the shell, and the output shaft penetrates through the shell and the rotor assembly in the shell and is partially arranged in the shell; the rotor assembly can rotate relative to the stator assembly to rotate the output shaft; the rear end cover is arranged at one end of the shell and connected to the shell, and a power supply interface is arranged on the rear end cover; the dust cover assembly can seal or expose the power supply interface. The rear end cover is provided with the dustproof cover component, when the motor needs to supply power, the dustproof cover component can expose the power supply interface, so that the power supply interface is exposed, and the connection with an external power supply is facilitated; when the motor need not supply power, the dust cover subassembly can seal the power supply interface, prevents that outside dust from piling up at the power supply interface, or enters into inside the casing through the power supply interface.

Description

Motor with a motor shaft

Technical Field

The utility model relates to a power device technical field especially relates to a motor.

Background

The motor is one of the engines, the motor is a mechanical device capable of generating power, and an external power supply supplies power to the motor, so that electric energy is converted into mechanical energy. The motor includes casing, stator module and rotor subassembly, is provided with the power supply interface on the casing, connects the external power source electricity in the power supply interface to for the motor power supply, at magnetic force effort, the rotor subassembly drives the output shaft and rotates, thereby turns into mechanical energy with the electric energy. The power supply interface on the existing motor is exposed outside, dust is easily accumulated at the power supply interface or enters the shell through the power supply interface, and the service life of the motor is shortened. And the power supply interface is exposed outside, so that safety accidents are easily caused in rainy days.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a motor prevents that external dust from piling up inside the power supply interface of motor or the casing that gets into the motor.

To achieve the purpose, the utility model adopts the following technical proposal:

a motor, comprising:

a housing;

an output shaft passing through the housing and partially disposed inside the housing;

a stator assembly disposed on an inner wall of the housing;

a rotor assembly disposed inside the housing, the rotor assembly being rotatable relative to the stator assembly to rotate the output shaft;

the rear end cover is arranged at one end of the shell and connected to the shell, and a power supply interface is arranged on the rear end cover;

the dustproof cover component can seal or expose the power supply interface.

Preferably, the dust cap assembly includes:

the mounting seat is arranged on the rear end cover corresponding to the power supply interface;

the dustproof cover is connected to the mounting seat so as to seal or expose the power supply interface.

Preferably, the mounting seat is provided with an external thread, the dustproof cover is provided with an internal thread corresponding to the external thread, and the dustproof cover is in threaded connection with the mounting seat.

Preferably, the dust cap assembly further comprises a connecting piece, and two ends of the connecting piece are respectively connected to the mounting seat and the dust cap.

Preferably, the motor further comprises a front end cover, the front end cover is arranged on one side, far away from the rear end cover, of the shell and connected to the shell, and the front end cover, the shell and the rear end cover enclose an accommodating cavity.

Preferably, one of the front end cover and the shell is provided with a first positioning protrusion, the other one of the front end cover and the shell is provided with a first positioning groove, and the first positioning protrusion can be clamped in the first positioning groove.

Preferably, the motor further comprises a bearing embedded in the front end cover, and the output shaft passes through the bearing and is partially arranged in the accommodating cavity.

Preferably, one of the rear end cover and the shell is provided with a second positioning protrusion, the other one of the rear end cover and the shell is provided with a second positioning groove, and the second positioning protrusion can be clamped in the second positioning groove.

Preferably, the output end of the output shaft is a spline shaft.

Preferably, the rear end cover is provided with a mounting hole.

The utility model has the advantages that:

the utility model provides a motor, external power source electricity are connected in the power supply interface of rear end cap, and for the motor power supply, the rotor subassembly rotates and drives the output shaft for stator module and rotates to turn into mechanical energy with the electric energy. The rear end cover is provided with the dustproof cover component, when the motor needs to supply power, the dustproof cover component can expose the power supply interface, so that the power supply interface is exposed, and the connection with an external power supply is facilitated; when the motor need not supply power, the dust cover subassembly can seal the power supply interface, prevents that outside dust from piling up at the power supply interface, or enters into inside the casing through the power supply interface. And set up the dust cap subassembly, prevented that the rainwater from drenching the power supply interface, improved the security of using the motor.

Drawings

Fig. 1 is a cross-sectional view of a motor according to an embodiment of the present invention;

fig. 2 is a schematic view of a connection structure between a dust cap assembly and a rear end cap according to an embodiment of the present invention.

In the figure:

1. a housing; 11. a first positioning groove; 12. a second positioning groove;

2. an output shaft;

3. a stator assembly;

4. a rotor assembly;

5. a rear end cap; 51. a power supply interface; 52. a second positioning projection; 53. mounting holes;

6. a dust cover assembly; 61. a mounting seat; 62. a dust cover; 63. a connecting member;

7. a front end cover; 71. a first positioning projection;

8. a bearing;

9. a commutator;

10. a carbon brush box.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.

The embodiment provides a motor, which relates to the technical field of power devices, and as shown in fig. 1 and fig. 2, the motor comprises a shell 1, an output shaft 2, a stator assembly 3, a rotor assembly 4, a rear end cover 5 and a dust cover assembly 6, wherein the stator assembly 3 is arranged on the inner wall of the shell 1; the rotor assembly 4 is arranged inside the shell 1, and the output shaft 2 penetrates through the shell 1 and the rotor assembly 4 inside the shell 1 and is partially arranged inside the shell 1; the rotor assembly 4 is rotatable relative to the stator assembly 3 to rotate the output shaft 2; the rear end cover 5 is arranged at one end of the shell 1 and connected to the shell 1, and the rear end cover 5 is provided with a power supply interface 51; the dust cover assembly 6 can close or expose the power supply interface 51.

In the motor provided in this embodiment, the external power source is electrically connected to the power supply interface 51 of the rear end cover 5 to supply power to the motor, and the rotor assembly 4 can rotate relative to the stator assembly 3 and drive the output shaft 2 to rotate, so as to convert the electric energy into mechanical energy. The rear end cover 5 is provided with the dustproof cover assembly 6, and when the motor needs to supply power, the dustproof cover assembly 6 can expose the power supply interface 51, so that the power supply interface 51 is exposed, and the connection with an external power supply is facilitated; when the motor does not need to be powered, the dust cap assembly 6 can close the power supply interface 51, and prevent external dust from accumulating at the power supply interface 51 or entering the inside of the housing 1 through the power supply interface 51. And set up dust cap subassembly 6, prevented that the rainwater from drenching power supply interface 51, improved the security of using the motor.

Specifically, the stator assembly 3 includes a magnet disposed on an inner wall of the housing 1, the rotor assembly 4 includes a plurality of silicon steel sheets connected to each other, and the output shaft 2 passes through the rotor assembly 4. More specifically, the shell 1 is made of an iron material, and the exposed part of the shell 1 is subjected to surface treatment by electrophoresis and covered with a protective layer with enough thickness, so that corrosion can be effectively prevented. After the circular telegram, rotor subassembly 4 and stator module 3 produce magnetic field respectively, and under the interact in two magnetic fields, rotor subassembly 4 can rotate for stator module 3 to drive output shaft 2 and rotate.

Preferably, as shown in fig. 1, the motor provided in this embodiment further includes a commutator 9 and a carbon brush box 10 disposed inside the housing 1, the commutator 9 is sleeved on the output shaft 2, and the commutator 9 and the carbon brush box 10 are used in cooperation to maintain continuous rotation of the rotor assembly 4 and enable the rotation direction of the rotor assembly 4 to be consistent. More specifically, the carbon brush box 10 is a four-stage carbon brush design, increasing the life of the motor.

Specifically, as shown in fig. 1 and 2, the output end of the output shaft 2 is a spline shaft. The output shaft 2 that this embodiment provided is including setting up the first connecting portion in casing 1 and setting up the second connecting portion outside casing 1, and output shaft 2's output is the second connecting portion promptly, sets up the second connecting portion into the integral key shaft, can directly mesh the transmission with external equipment, need not to add other coupling mechanism, has improved transmission efficiency, has still improved the assembly precision when reduce cost.

Further, as shown in fig. 1 and fig. 2, the motor further includes a front cover 7, the front cover 7 is disposed on a side of the casing 1 away from the rear cover 5 and connected to the casing 1, and the front cover 7, the casing 1 and the rear cover 5 enclose an accommodation cavity. In this embodiment, the housing 1 is a hollow cylinder structure, and the housing 1 is sealed by arranging the front end cap 7 and the rear end cap 5, so that the stator assembly 3, the rotor assembly 4, the commutator 9 and the carbon brush box 10 can be arranged in the accommodating cavity. Specifically, the front end cover 7 and the rear end cover 5 are detachably attached to the housing 1 by long bolts.

Specifically, as shown in fig. 1, one of the front end cover 7 and the housing 1 is provided with a first positioning protrusion 71, the other is provided with a first positioning groove 11, and the first positioning protrusion 71 can be clamped in the first positioning groove 11. In this embodiment, be provided with first positioning protrusion 71 on front end housing 7, be provided with first positioning groove 11 corresponding first positioning protrusion 71 on casing 1, first positioning protrusion 71 and first positioning groove 11 mutually support, first positioning protrusion 71 joint in first positioning groove 11 to play certain positioning.

Specifically, as shown in fig. 1, one of the rear end cover 5 and the housing 1 is provided with a second positioning protrusion 52, and the other is provided with a second positioning groove 12, and the second positioning protrusion 52 can be clamped in the second positioning groove 12. In this embodiment, the rear end cap 5 is provided with a second positioning protrusion 52, the housing 1 is provided with a second positioning groove 12 corresponding to the second positioning protrusion 52, and the second positioning protrusion 52 can be connected to the second positioning groove 12 in a clamping manner to achieve a certain positioning effect.

Further, as shown in fig. 1, the motor further includes a bearing 8 embedded in the front end cover 7, the output shaft 2 passes through the bearing 8 and is partially disposed in the accommodating cavity, and the connection between the output shaft 2 and the front end cover 7 is realized by disposing the bearing 8. Specifically, a bearing 8 is also embedded in the rear end cover 5, and the output shaft 2 is connected to the rear end cover 5 through the bearing 8.

Specifically, as shown in fig. 2, the rear end cover 5 is provided with a mounting hole 53 for positioning or fixing the motor on the device. More specifically, the mounting holes 53 are threaded holes.

Further, as shown in fig. 2, the dust cap assembly 6 includes a mounting seat 61 and a dust cap 62, the mounting seat 61 is disposed on the rear end cover 5 corresponding to the power supply interface 51; the dust cover 62 is attached to the mount base 61 to close or expose the power supply interface 51. A mounting seat 61 is provided at a position where the power supply interface 51 is provided on the rear end cover 5, and a dust cover 62 can be attached to the mounting seat 61 so as to expose or close the power supply interface 51. Specifically, be provided with the external screw thread on the mount pad 61, dust cover 62 corresponds the external screw thread and is provided with the internal thread, dust cover 62 and mount pad 61 threaded connection. Threaded connection, processing is simple, and the dismouting is convenient. More specifically, a protrusion is provided on the dust cover 62, increasing the friction force between the human hand and the dust cover 62.

Specifically, as shown in fig. 2, the dust cap assembly 6 further includes a connecting member 63, and both ends of the connecting member 63 are connected to the mounting seat 61 and the dust cap 62, respectively. When the power supply interface 51 needs to be exposed, the dust cover 62 is rotated to separate the dust cover 62 from the mounting seat 61, and the connecting piece 63 is arranged to prevent the dust cover 62 from being lost.

In the description of the present embodiments, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In this embodiment, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "right", and the like are used in the orientation or positional relationship shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, rearrangements and substitutions will now occur to those skilled in the art without departing from the scope of the invention. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A motor, comprising:

a housing (1);

an output shaft (2), the output shaft (2) passing through the housing (1) and being partially disposed inside the housing (1);

the stator assembly (3) is arranged on the inner wall of the shell (1);

a rotor assembly (4) disposed inside the housing (1), the rotor assembly (4) being rotatable relative to the stator assembly (3) to rotate the output shaft (2);

the rear end cover (5), the rear end cover (5) is arranged at one end of the shell (1) and connected to the shell (1), and a power supply interface (51) is arranged on the rear end cover (5);

a dust cover assembly (6), wherein the dust cover assembly (6) can seal or expose the power supply interface (51).

2. The motor according to claim 1, wherein the dust cap assembly (6) comprises:

the mounting seat (61), the mounting seat (61) is arranged on the rear end cover (5) corresponding to the power supply interface (51);

a dust cover (62), the dust cover (62) is connected to the mounting seat (61) to close or expose the power supply interface (51).

3. The motor according to claim 2, wherein the mounting seat (61) is provided with an external thread, the dust cap (62) is provided with an internal thread corresponding to the external thread, and the dust cap (62) is in threaded connection with the mounting seat (61).

4. The motor according to claim 2, wherein the dust cap assembly (6) further comprises a connector (63), and both ends of the connector (63) are connected to the mounting seat (61) and the dust cap (62), respectively.

5. The motor according to claim 1, further comprising a front cover (7), wherein the front cover (7) is disposed on a side of the housing (1) away from the rear cover (5) and connected to the housing (1), and the front cover (7), the housing (1) and the rear cover (5) enclose a receiving cavity.

6. The motor according to claim 5, characterized in that one of the front cover (7) and the housing (1) is provided with a first positioning protrusion (71), and the other is provided with a first positioning groove (11), and the first positioning protrusion (71) can be clamped in the first positioning groove (11).

7. The motor according to claim 5, further comprising a bearing (8) embedded in the front end cover (7), wherein the output shaft (2) passes through the bearing (8) and is partially disposed in the receiving cavity.

8. The motor according to claim 1, characterized in that one of the rear end cap (5) and the housing (1) is provided with a second positioning projection (52) and the other is provided with a second positioning groove (12), the second positioning projection (52) being snappingly engageable in the second positioning groove (12).

9. The motor according to any of claims 1-8, characterized in that the output of the output shaft (2) is a splined shaft.

10. The motor according to any one of claims 1 to 8, wherein the rear end cap (5) is provided with a mounting hole (53).