A fume-proof ventilation fan motor

Abstract

The utility model discloses an oil-smoke-proof ventilation fan motor, which belongs to the technical field of motors. An oil-smoke-proof ventilation fan motor comprises a motor body, a front housing and a rear housing; a motor shaft is arranged on the motor body; the motor body is installed in the front housing and the rear housing; and also comprises an outer housing, a connecting assembly and a fan blade; the outer housing is sleeved on the outer end of the front housing; the connecting assembly is fixedly installed in the outer housing, the output end of the connecting assembly is connected to the motor shaft, the motor shaft drives the connecting assembly to rotate, and the fan blade is fixedly installed on the output end of the connecting assembly to drive the fan blade to rotate; the utility model is provided with an outer housing that can be sleeved on the front housing, and the connecting assembly and the fan blade are arranged at the same time, and the fan blade can be driven to rotate by the motor shaft, thereby forming a wind barrier to prevent oil smoke from entering the motor, thereby improving the service life of the motor.

Description

Technical Field

[0001] The utility model belongs to the technical field of motors, and more specifically relates to a fume-proof ventilation fan motor. Background Art

[0002] An electric motor is a device that converts electrical energy into mechanical energy. It uses an energized coil (to generate a rotating magnetic field and act on the rotor, such as a squirrel cage closed aluminum frame, to form a magnetic and electric power rotation torque;

[0003] Motors are widely used in various electrical appliances and places, and there are also motors in ventilation fans. For example, the patent publication number is: CN219012926U; the patent name is the patent of ventilation fan motor, which discloses a ventilation fan motor, including: a housing and a motor shaft, a heat dissipation through hole is provided on the side wall of the housing, a dustproof net is provided in the housing, and the dustproof net covers the heat dissipation through hole; the rear of the housing is detachably connected with a connector, and the motor is fixedly connected to the ventilation fan housing through the connector. The utility model has a novel structure, has a dustproof function, eliminates the bracket connected to the ventilation fan housing, and reduces the cost;

[0004] However, the ventilation fan used in the kitchen can remove oil smoke, but in the process of removing oil smoke, the oil smoke will enter the motor through the heat dissipation holes, adhere to the internal components of the motor, and affect the service life of the motor; therefore, an anti-oil smoke ventilation fan motor is proposed. Utility Model Content

[0005] The technical problem to be solved by the utility model is to provide a fume-proof ventilation fan motor, which can prevent fume from entering the interior of the motor during the use of the ventilation fan motor, thereby avoiding affecting the service life of the motor.

[0006] The utility model discloses an oil smoke proof ventilation fan motor, comprising a motor body, a front shell and a rear shell; a motor shaft is arranged on the motor body; the motor body is installed in the front shell and the rear shell; the utility model also comprises an outer shell, a connecting component and fan blades; the outer shell is sleeved on the outer end of the front shell; the connecting component is fixedly installed in the outer shell, the output end of the connecting component is connected to the motor shaft, the motor shaft drives the connecting component to rotate, and the fan blades are fixedly installed on the output end of the connecting component to drive the fan blades to rotate.

[0007] As a further improvement of the utility model, the connecting assembly includes a fixed ring, a connecting ring and a rotating ring; the fixed ring is fixedly mounted on the lower end surface of the outer shell; the connecting ring is movably mounted on the fixed ring, the rotating ring is fixedly mounted on the lower end of the connecting ring, one end of the fan blade is fixedly mounted on the outer wall of the rotating ring, and the inner wall of the rotating ring is interference fit with the motor shaft.

[0008] As a further improvement of the utility model, the upper end of the front shell, the lower end of the rear shell and the lower end of the outer shell are all provided with connecting flanges, and locking nuts are installed on the connecting flanges.

[0009] As a further improvement of the utility model, a plurality of first heat dissipation holes are arranged on the front shell body; and a plurality of second heat dissipation holes are arranged on the upper end of the outer shell body.

[0010] As a further improvement of the utility model, a filter screen is arranged on the inner end surface of the second heat dissipation hole.

[0011] Compared with the prior art, the advantages of the present invention are:

[0012] 1. The utility model is provided with an outer shell that can be mounted on the front shell, and a connecting assembly and fan blades are provided at the same time. The fan blades can be driven to rotate through the motor shaft, thereby forming a wind barrier to prevent oil smoke from entering the interior of the motor, thereby increasing the service life of the motor.

[0013] 2. The utility model provides a first heat dissipation hole on the front shell and a second heat dissipation hole on the outer shell to achieve the purpose of heat dissipation of the motor. At the same time, a filter net is provided to prevent debris from falling into the motor, thereby ensuring the normal use of the motor. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 It is an explosion diagram of the utility model;

[0016] Figure 3 This is a schematic diagram of the shell structure of the utility model;

[0017] Figure 4 It is a cross-sectional schematic diagram of the outer shell of the utility model;

[0018] Figure 5 It is a structural schematic diagram of the connection component of the utility model.

[0019] Description of the numbers in the figure:

[0020] 1. Motor body; 2. Front shell; 201. First heat dissipation hole; 501. Second heat dissipation hole; 3. Rear shell; 4. Motor shaft; 5. Outer shell; 6. Connecting assembly; 601. Fixed ring; 602. Connecting ring; 603. Rotating ring; 7. Fan blades; 8. Connecting flange; 9. Locking nut; 10. Filter. DETAILED DESCRIPTION

[0021] Specific embodiment 1: Please refer to Figure 1-5 A fume-proof ventilator motor comprises a motor body 1, a front housing 2 and a rear housing 3; a motor shaft 4 is arranged on the motor body 1; the motor body 1 is installed in the front housing 2 and the rear housing 3;

[0022] It also includes an outer shell 5, a connecting assembly 6 and a fan blade 7; the outer shell 5 is mounted on the outer end of the front shell 2; at the same time, the upper end of the front shell 2, the lower end of the rear shell 3 and the lower end of the outer shell 5 are all provided with a connecting flange 8, and a locking nut 9 is installed on the connecting flange 8; the front shell 2, the rear shell 3 and the outer shell 5 can be assembled by cooperating with the connecting flange 8 and the locking nut 9; at the same time, a plurality of first heat dissipation holes 201 are provided on the front shell 2; a plurality of second heat dissipation holes 501 are provided on the upper end of the outer shell 5; the arrangement of the first heat dissipation holes 201 and the second heat dissipation holes 501 can facilitate the heat dissipation of the motor and improve the service life of the motor; at the same time, a filter screen 10 is welded on the inner end surface of the second heat dissipation hole 501, and the filter screen 10 can prevent debris from entering the motor from the second heat dissipation hole 501, thereby ensuring the normal use of the motor.

[0023] The connecting assembly 6 includes a fixed ring 601, a connecting ring 602 and a rotating ring 603; the fixed ring 601 is fixedly installed on the lower end surface of the outer shell 5 by screws; the connecting ring 602 is movably mounted on the fixed ring 601, and the rotating ring 603 is fixedly installed on the lower end of the connecting ring 602 by screws, and one end of the fan blade 7 is fixedly welded to the outer wall of the rotating ring 603, and the inner wall of the rotating ring 603 is interference fit with the motor shaft 4; the motor shaft 4 is driven to rotate by the motor body 1, and at the same time, the rotating ring 603 that is interference fit with the motor shaft 4 can drive the fan blade 7 to rotate, and a wind barrier can be formed by the rotating fan blade 7, thereby effectively preventing oil smoke from entering the second heat dissipation hole 501 into the interior of the motor and affecting the use of the motor; at the same time, the airflow formed by the fan blade 7 can blow air to the motor body 1, thereby playing a cooling role and ensuring the normal use of the motor.

[0024] Working principle: In the utility model, when in use, the motor shaft 4 can drive the rotating ring 603 to rotate, thereby driving the fan blades 7 to rotate. The rotating fan blades 7 can form an airflow barrier, thereby effectively preventing smoke oil from entering the motor through the heat dissipation holes, preventing oil stains from adhering to the inside of the motor, and thus increasing the service life of the motor; ensuring that the motor can be used normally.

[0025] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A fume-proof ventilator motor, comprising a motor body (1), a front housing (2) and a rear housing (3); a motor shaft (4) is arranged on the motor body (1); the motor body (1) is installed in the front housing (2) and the rear housing (3); the characteristics are: The invention also comprises an outer shell (5), a connecting assembly (6) and a fan blade (7); the outer shell (5) is sleeved on the outer end of the front shell (2); the connecting assembly (6) is fixedly installed in the outer shell (5); the output end of the connecting assembly (6) is connected to the motor shaft (4); the motor shaft (4) drives the connecting assembly (6) to rotate; and the fan blade (7) is fixedly installed on the output end of the connecting assembly (6) to drive the fan blade (7) to rotate.

2. The oil fume-proof ventilator motor according to claim 1, characterized in that: The connecting assembly (6) comprises a fixed ring (601), a connecting ring (602) and a rotating ring (603); the fixed ring (601) is fixedly mounted on the lower end surface of the outer shell (5); the connecting ring (602) is movably mounted on the fixed ring (601); the rotating ring (603) is fixedly mounted on the lower end of the connecting ring (602); one end of the fan blade (7) is fixedly mounted on the outer wall of the rotating ring (603); and the inner wall of the rotating ring (603) is interference fit with the motor shaft (4).

3. The oil fume-proof ventilator motor according to claim 1, characterized in that: The upper end of the front shell (2), the lower end of the rear shell (3) and the lower end of the outer shell (5) are all provided with connecting flanges (8), and locking nuts (9) are installed on the connecting flanges (8).

4. The oil fume-proof ventilator motor according to claim 3, characterized in that: A plurality of first heat dissipation holes (201) are arranged on the front housing (2); and a plurality of second heat dissipation holes (501) are arranged on the upper end of the outer housing (5).

5. The oil fume-proof ventilator motor according to claim 4, characterized in that: A filter screen (10) is provided on the inner end surface of the second heat dissipation hole (501).

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