Double-shaft motor of direct-current duct type air conditioner

Abstract

The utility model discloses a direct current duct type air conditioner double-shaft motor, which comprises a noise reduction box, a motor assembly is fixedly arranged in the noise reduction box, the motor assembly comprises a cooling device, the cooling device comprises a motor, a main shaft is fixedly arranged on one side of the motor, an auxiliary shaft is fixedly arranged on the other side of the motor, and the main shaft and the auxiliary shaft are connected through a connecting rod. A refrigeration plate is fixedly arranged on the noise reduction box located on one side of the auxiliary shaft, a fan A is fixedly arranged on the auxiliary shaft located on one side of the refrigeration plate, and a fan B is fixedly arranged on the main shaft; the utility model relates to the technical field of double-shaft motors. The auxiliary shaft is driven by the motor to rotate, cold air generated by the refrigeration plate is blown to the motor through the fan A on the auxiliary shaft, so that the motor is cooled, meanwhile, the main shaft rotates along with the auxiliary shaft to drive the fan B to rotate, heat generated by the motor is discharged through the ventilation opening, and the heat dissipation capacity of the motor is improved. And the service life is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of double-shaft motors, in particular to a double-shaft motor for a DC air duct machine. Background Art

[0002] A motor is an electromagnetic device that converts or transmits electrical energy according to the law of electromagnetic induction. Its main function is to convert electrical energy into mechanical energy and generate driving torque, which serves as a power source for electrical appliances or various machines.

[0003] Chinese patent publication number CN206948083U discloses a dual-shaft motor. The utility model seals the gap between the end cover and the motor shaft by a dust ring, thereby preventing dust from entering, thereby ensuring that the service life of the bearing is not affected.

[0004] Although the utility model can effectively prevent dust from entering the interior of the motor and ensure the service life of the bearing, it often generates a large amount of heat during operation. If the heat cannot be dissipated in time, the motor will be burned out or the damage of the motor will be accelerated. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a dual-axis motor for a DC duct fan, which solves the problem that poor heat dissipation capacity of the motor leads to accelerated damage to the motor.

[0006] To achieve the above purpose, the utility model is implemented through the following technical solutions: a DC duct machine double-axis motor, including a noise reduction box, a motor assembly is fixed inside the noise reduction box, a handle is fixed on the top of the noise reduction box, and the motor assembly includes:

[0007] A cooling device is arranged inside the noise reduction box for cooling the motor, the cooling device comprises a motor, a main shaft is fixedly provided on one side of the motor, a secondary shaft is fixedly provided on the other side of the motor, a cooling plate is fixedly provided on the noise reduction box located on one side of the secondary shaft, a fan A is fixedly provided on the secondary shaft located on one side of the cooling plate, a vent is opened on the noise reduction box located at the main shaft position, a filter is fixedly provided on the vent, and a fan B is fixedly provided on the main shaft;

[0008] The fixing device is arranged below the noise reduction box and is used for fixing the noise reduction box.

[0009] Preferably, the fixing device includes a sliding sleeve rotatably arranged at the bottom of the noise reduction box, a sliding rod is slidably arranged inside the sliding sleeve, a positioning hole is opened on the sliding rod, a fixing nut A matching the positioning hole is rotatably arranged on the sliding sleeve, and a fixing plate is rotatably arranged below the sliding rod.

[0010] Preferably, a fixing nut B is rotatably provided at a position where the sliding sleeve is rotatably connected to the noise reduction box, and a fixing nut C is rotatably provided at a position where the sliding rod is rotatably connected to the fixing plate.

[0011] Preferably, a non-slip rubber pad is fixedly provided on the lower surface of the fixing plate, and a fixing hole is opened on the fixing plate.

[0012] Preferably, an activated carbon layer is fixedly provided below the motor.

[0013] Preferably, a cleaning plate for cleaning the filter is fixedly provided on the main shaft, and a cleaning brush is fixedly provided on the surface of the cleaning plate that contacts the filter.

[0014] Beneficial Effects

[0015] The utility model provides a dual-axis motor for a DC air duct machine. Compared with the prior art, it has the following advantages:

[0016] Beneficial effects:

[0017] (1) The DC duct fan has a dual-axis motor, which drives the secondary shaft to rotate through the motor, and blows the cold air generated by the refrigeration plate to the motor through the fan A on the secondary shaft, thereby cooling the motor. At the same time, the main shaft rotates with its secondary shaft, which drives the fan B to rotate, so that the heat generated by the motor is discharged through the vent, thereby improving the heat dissipation capacity of the motor and ensuring its service life. At the same time, the filter screen blocks the dust outside the noise reduction box to prevent dust from being adsorbed on the motor, ensuring the heat dissipation efficiency of the motor, and the cleaning brush on the cleaning plate on the main shaft cleans the mesh of the filter screen to ensure its ventilation.

[0018] (2) The dual-axis motor of the DC duct fan is protected by a noise reduction box to prevent damage to the motor due to external factors during use, thereby increasing its service life. The positioning device at the bottom can adjust the position of the motor during installation according to actual conditions, thereby improving its applicability. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a three-dimensional diagram of the utility model;

[0020] Figure 2 It is the front view of the utility model;

[0021] Figure 3 It is a side view of the utility model.

[0022] In the figure: 1. Noise reduction box; 2. Cooling device; 21. Motor; 22. Main shaft; 23. Sub-shaft; 24. Refrigeration plate; 25. Fan A; 26. Ventilation port; 27. Filter; 28. Fan B; 3. Fixing device; 31. Sliding sleeve; 32. Sliding rod; 33. Fixing nut A; 34. Fixing plate; 5. Fixing nut B; 6. Fixing nut C; 7. Cleaning plate; 8. Cleaning brush. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] The utility model provides two technical solutions:

[0025] Figure 1-3 The first embodiment is shown: a DC duct machine double-axis motor 21, including a noise reduction box 1, a motor 21 assembly is fixedly provided inside the noise reduction box 1, a handle is fixedly provided on the top of the noise reduction box 1, and the motor 21 assembly includes: a cooling device 2, which is arranged inside the noise reduction box 1 for cooling the motor 21, the cooling device 2 includes a motor 21, a main shaft 22 is fixedly provided on one side of the motor 21, and a secondary shaft 23 is fixedly provided on the other side of all motors 21, a cooling plate 24 is fixedly provided on the noise reduction box 1 on one side of the secondary shaft 23, a fan A25 is fixedly provided on the secondary shaft 23 on one side of the cooling plate 24, a vent 26 is opened on the noise reduction box 1 at the position of the main shaft 22, a filter 27 is fixedly provided on the vent 26, a fan B28 is fixedly provided on the main shaft 22, a fixing device 3 is arranged below the noise reduction box 1 for fixing the noise reduction box 1, a cleaning plate 7 for cleaning the filter 27 is fixedly provided on the main shaft 22, and a cleaning brush 8 is fixedly provided on the side of the cleaning plate 7 that contacts the filter 27.

[0026] The secondary shaft 23 is driven to rotate by the motor 21, and the cold air generated by the refrigeration plate 24 is blown to the motor 21 by the fan A25 on the secondary shaft 23, thereby cooling the motor 21. At the same time, the main shaft 22 rotates along with its secondary shaft 23, so that it drives the fan B28 to rotate, thereby discharging the heat generated by the motor 21 through the vent 26, thereby improving the heat dissipation capacity of the motor 21 and ensuring its service life. At the same time, the filter 27 blocks the dust outside the noise reduction box 1 to prevent the dust from being adsorbed on the motor 21, thereby ensuring the heat dissipation efficiency of the motor 21, and the mesh of the filter 27 is cleaned by the cleaning brush 8 on the cleaning plate 7 on the main shaft 22 to ensure its ventilation.

[0027] Figure 2-3 A second embodiment is shown, and its main difference from the first embodiment is that the fixing device 3 includes a sliding sleeve 31 rotatably arranged at the bottom of the noise reduction box 1, a sliding rod 32 is slidably arranged inside the sliding sleeve 31, a positioning hole is opened on the sliding rod 32, a fixing nut A33 matching the positioning hole is rotatably arranged on the sliding sleeve 31, a fixing plate 34 is rotatably arranged below the sliding rod 32, a fixing nut B35 is rotatably arranged at the position where the sliding sleeve 31 and the noise reduction box 1 are rotatably connected, a storage groove for storing the fixing device 3 is opened at the bottom of the noise reduction box 1, a fixing nut C6 is rotatably arranged at the position where the sliding rod 32 and the fixing plate 34 are rotatably connected, an anti-slip rubber pad is fixedly arranged on the lower surface of the fixing plate 34, a fixing hole is opened on the fixing plate 34, and an activated carbon layer is fixedly arranged below the motor 21, and the activated carbon layer can absorb the moisture inside the noise reduction box 1, thereby ensuring that the motor 21 is in a relatively dry environment, reducing the probability of short circuit of the motor 21, and ensuring its service life.

[0028] The noise reduction box 1 is used to protect the motor 21, thereby preventing the motor 21 from being damaged by external factors during use, thereby increasing its service life. The positioning device at the bottom can adjust the position of the motor 21 during installation according to actual conditions, thereby improving its applicability.

[0029] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art, and the model parameters of each electrical appliance are not specifically limited, and conventional equipment can be used.

[0030] When in use, the sliding sleeve 31 at the bottom of the noise reduction box 1 is rotated to be perpendicular to the noise reduction box 1, and its angle is fixed by the fixing nut B35, and the sliding rod 32 is taken out from the sliding sleeve 31 according to the position of the motor 21 during installation, and the position of the sliding rod 32 is fixed by the fixing nut A33, and the fixing plate 34 is rotated to be perpendicular to the sliding rod 32 and fixed by the fixing nut C6, and then the secondary shaft 23 is driven to rotate by the motor 21, and the cold air generated by the refrigeration plate 24 is blown to the motor 21 by the fan A25 on the secondary shaft 23, and the main shaft 22 rotates with its secondary shaft 23, so that it drives the fan B28 to rotate, thereby discharging the heat generated by the motor 21 through the vent 26, and the filter 27 blocks the dust outside the noise reduction box 1 to prevent the dust from being adsorbed on the motor 21, thereby ensuring the heat dissipation efficiency of the motor 21, and the mesh of the filter 27 is cleaned by the cleaning brush 8 on the cleaning plate 7 on the main shaft 22.

[0031] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0032] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A DC duct fan dual-shaft motor, including a noise reduction box, characterized in that: A motor assembly is fixedly provided inside the noise reduction box, a handle is fixedly provided on the top of the noise reduction box, and the motor assembly includes: A cooling device is arranged inside the noise reduction box for cooling the motor, the cooling device comprises a motor, a main shaft is fixedly provided on one side of the motor, a secondary shaft is fixedly provided on the other side of the motor, a cooling plate is fixedly provided on the noise reduction box located on one side of the secondary shaft, a fan A is fixedly provided on the secondary shaft located on one side of the cooling plate, a vent is opened on the noise reduction box located at the main shaft position, a filter is fixedly provided on the vent, and a fan B is fixedly provided on the main shaft; The fixing device is arranged below the noise reduction box and is used for fixing the noise reduction box.

2. A DC air duct machine dual-axis motor according to claim 1, characterized in that: The fixing device includes a sliding sleeve rotatably arranged at the bottom of the noise reduction box, a sliding rod slidably arranged inside the sliding sleeve, a positioning hole is opened on the sliding rod, a fixing nut A matching the positioning hole is rotatably arranged on the sliding sleeve, and a fixing plate is rotatably arranged below the sliding rod.

3. A DC air duct machine dual-axis motor according to claim 2, characterized in that: A fixing nut B is rotatably provided at a position where the sliding sleeve is rotatably connected to the noise reduction box, and a fixing nut C is rotatably provided at a position where the sliding rod is rotatably connected to the fixing plate.

4. A DC air duct machine dual-axis motor according to claim 2, characterized in that: An anti-skid rubber pad is fixedly arranged on the lower surface of the fixing plate, and a fixing hole is opened on the fixing plate.

5. A DC air duct machine dual-axis motor according to claim 1, characterized in that: An activated carbon layer is fixedly arranged below the motor.

6. A DC air duct machine dual-axis motor according to claim 1, characterized in that: A cleaning plate for cleaning the filter screen is fixedly arranged on the main shaft, and a cleaning brush is fixedly arranged on the surface of the cleaning plate that contacts the filter screen.

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