Shaded pole motor for oven

Abstract

The utility model discloses a shaded pole motor for an oven. The shaded pole motor comprises a motor shell, a rotor, fan blades and a main winding. The main winding is wound on one side of the motor shell, the rotor is rotationally connected to the other side of the motor shell, and the rotor can be driven to rotate through the main winding. A connecting support is arranged on the edge of the top of the motor shell, the top of the connecting support extends upwards to form a plurality of connecting support supporting columns, the connecting support supporting columns are connected with a partition plate arranged between a working cavity and a machining cavity of the oven through screws, and therefore the shaded pole motor for the oven is arranged in the working cavity in a connected mode. An output shaft of the rotor is arranged in the middle of the connecting support supporting column, the fan blades are connected to the output shaft in the middle of the connecting support supporting column, and heat of the partition plate and the shaded pole motor for the oven is dissipated through the fan blades.

Description

Technical Field

[0001] This utility model relates to the field of motors, and in particular to a shaded-pole motor for ovens. Background Technology

[0002] For an oven, in addition to the heating mechanism, a motor structure is also needed to drive the turntable inside the oven. In addition to the function of driving the turntable to rotate, the motor structure also needs to prevent electromagnetic interference. Furthermore, how to connect the motor well to the oven, how to dissipate heat, and how to better drive the turntable inside the oven are also problems that urgently need to be solved. Utility Model Content

[0003] The main purpose of this invention is to provide a shaded pole motor for ovens that has a simple structure, strong heat dissipation capacity, stable connection, and can effectively drive the turntable inside the oven to rotate.

[0004] This utility model proposes a shaded-pole motor for an oven, including a motor housing, a rotor, fan blades, and a main winding;

[0005] The main winding is wound on one side of the motor housing, and the rotor is rotatably connected to the other side of the motor housing, so that the main winding can drive the rotor to rotate.

[0006] A connecting bracket is provided on the top edge of the motor housing. The top of the connecting bracket extends upward to form multiple connecting bracket support columns. The connecting bracket support columns are connected to the partition plate between the working cavity and the processing cavity of the oven by screws, thereby connecting the oven to the working cavity using a shaded pole motor.

[0007] The output shaft of the rotor is located in the middle of the connecting bracket support column, and the fan blades are connected to the output shaft in the middle of the connecting bracket support column. The fan blades are used to dissipate heat for the partition and the shaded pole motor of the oven.

[0008] Preferably, the main winding is wrapped with high-temperature glass cloth tape.

[0009] Preferably, a fixed bracket is provided at the bottom of the motor housing, and the other end of the output shaft is rotatably connected in the fixed bracket.

[0010] Preferably, an oil-impregnated bearing is provided inside the fixed bracket.

[0011] Preferably, it further includes a lower retaining ring and an upper retaining ring. The output shaft is provided with a first retaining groove and a second retaining groove, and the lower retaining ring and the upper retaining ring are respectively engaged in the first retaining groove and the second retaining groove. The fan blade is engaged between the lower retaining ring and the upper retaining ring.

[0012] Preferably, a lower gasket is provided between the lower retaining ring and the fan blade.

[0013] Preferably, an upper gasket is provided between the upper retaining ring and the fan blade.

[0014] Preferably, the fan blade includes a fan blade body and a retaining spring, the retaining spring being disposed between the fan blade body and the upper gasket, and the fan blade body is limited and fixed by the retaining spring.

[0015] The beneficial effects of the shaded-pole motor for oven of this utility model are as follows:

[0016] 1. By setting fan blades on the top of the motor housing, the fan blades can dissipate heat to the partition and the oven's shaded-pole motor, achieving better heat dissipation compared to fan blades set at the bottom.

[0017] 2. By wrapping the main winding with high-temperature glass cloth tape, the main winding can be protected. Attached Figure Description

[0018] Figure 1 This is a bottom view of the shaded-pole motor for the oven according to this utility model;

[0019] Figure 2 This is a front view of the shaded-pole motor for an oven according to this utility model;

[0020] The following are the labels in the diagram: 1. Motor housing, 2. Main winding, 3. Rotor, 4. Connecting bracket, 5. Fixed bracket, 6. Fan blade, 7. Lower retaining ring, 8. Upper retaining ring, 9. Lower shim, 10. Upper shim, 41. Connecting bracket support column, 61. Fan blade body, 62. Clamping spring.

[0021] The realization of the purpose, functional features and advantages of this utility model will be further explained in conjunction with the embodiments and with reference to the accompanying drawings. Detailed Implementation

[0022] It should be understood that the specific embodiments described herein are merely illustrative of the present invention and are not intended to limit the present invention.

[0023] Reference Figure 1 and Figure 2 An embodiment of the shaded-pole motor for an oven according to this utility model is presented:

[0024] A shaded-pole motor for an oven includes a motor housing 1, a rotor 3, a fan blade 6, a main winding 2, a lower retaining ring 7, an upper retaining ring 8, an upper washer 10, and a lower washer 9.

[0025] The main winding 2 is wound on one side of the motor housing 1, and the rotor 3 is rotatably connected to the other side of the motor housing 1, enabling the rotor 3 to rotate via the main winding 2. The main winding 2 is wrapped with high-temperature glass cloth tape to protect it.

[0026] A fixed bracket 5 is provided at the bottom of the motor housing 1. One end of the output shaft of the rotor 3 is rotatably connected to the fixed bracket 5. An oil-impregnated bearing is provided inside the fixed bracket 5, and the oil-impregnated bearing is located between the fixed bracket 5 and the output shaft. Three connecting brackets 4 are provided around the output shaft at the top of the motor housing 1. The top of the connecting brackets 4 extends upward to form connecting bracket support columns 41. The connecting bracket support columns 41 are connected to the partition plate located between the working cavity and the processing cavity of the oven by screws, thereby connecting the oven to the shaded pole motor in the working cavity. The output shaft passes through the partition plate and extends into the processing cavity to connect with the turntable.

[0027] The output shaft is provided with a first retaining groove and a second retaining groove, and a lower retaining ring 7 and an upper retaining ring 8 are respectively engaged in the first retaining groove and the second retaining groove. A fan blade 6 is disposed between the upper retaining ring 8 and the lower retaining ring 7. A lower washer 9 is disposed between the lower retaining ring 7 and the fan blade 6, and an upper washer 9 is disposed between the upper retaining ring 8 and the fan blade 6. The fan blade 6 includes a fan blade body 61 and a clamping spring 62. The clamping spring 62 is disposed between the fan blade body 61 and the upper washer 10, and the fan blade body 61 is limited and fixed by the clamping spring 62. The fan blade is used to dissipate heat for the partition and the oven's shaded-pole motor.

[0028] The above description is only a preferred embodiment of the present utility model and does not limit the patent scope of the present utility model. Any equivalent structural transformations made based on the contents of the present utility model specification and drawings, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of the present utility model.

Claims

1. A shaded-pole motor for an oven, characterized in that, This includes the motor housing, rotor, fan blades, and main winding; The main winding is wound on one side of the motor housing, and the rotor is rotatably connected to the other side of the motor housing, so that the main winding can drive the rotor to rotate. A connecting bracket is provided on the top edge of the motor housing. The top of the connecting bracket extends upward to form multiple connecting bracket support columns. The connecting bracket support columns are connected to the partition plate between the working cavity and the processing cavity of the oven by screws, thereby connecting the oven to the working cavity using a shaded pole motor. The output shaft of the rotor is located in the middle of the connecting bracket support column, and the fan blades are connected to the output shaft in the middle of the connecting bracket support column. The fan blades are used to dissipate heat for the partition and the oven's shaded pole motor. It also includes a lower retaining ring and an upper retaining ring. The output shaft is provided with a first retaining groove and a second retaining groove, and the lower retaining ring and the upper retaining ring are respectively engaged in the first retaining groove and the second retaining groove. The fan blade is engaged between the lower retaining ring and the upper retaining ring. An upper gasket is provided between the upper retaining ring and the fan blade. The fan blade includes a fan blade body and a retaining spring. The retaining spring is disposed between the fan blade body and the upper gasket, and the fan blade body is limited and fixed by the retaining spring.

2. The shaded-pole motor for an oven according to claim 1, characterized in that, The main winding is wrapped with high-temperature glass cloth tape.

3. The shaded-pole motor for an oven according to claim 1, characterized in that, A fixed bracket is provided at the bottom of the motor housing, and the other end of the output shaft is rotatably connected to the fixed bracket.

4. The shaded-pole motor for an oven according to claim 3, characterized in that, An oil-impregnated bearing is installed inside the fixed bracket.

5. The shaded-pole motor for an oven according to claim 1, characterized in that, A lower gasket is provided between the lower retaining ring and the fan blade.

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