Brushless motor rotor and fan blade integrated structure

Abstract

The utility model relates to the technical field of motor rotors, in particular to a brushless motor rotor fan blade integrated structure, which comprises a shaft rod, a rotor iron core, a magnet, a front balance block and a rear balance block, cooling fan blades are arranged on one side of the front balance block, a clamping groove is arranged on the outer side of the shaft rod, a positioning groove is arranged on one side of each cooling fan blade, and the rotor iron core and the magnet are arranged in the positioning groove. And a positioning frame is arranged in the positioning groove, a sliding rod is arranged in the positioning frame, a clamping block is arranged at one end of the sliding rod, and a spring is installed at the position, located on the inner side of the positioning frame, of the outer side of the sliding rod. An independent heat dissipation structure of the motor rotor is formed through the cooling fan blades, the heat dissipation effect of the motor rotor is improved, the cooling fan blades and the front balance block are of an integrated structure, the occupied space is reduced, the balance effect of the front balance block is improved, the cooling fan blades are positioned through the clamping blocks and the clamping grooves, slipping in the using process is avoided, and the service life of the motor rotor is prolonged. And the stability of the front balance block and the cooling fan blade is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of motor rotors, in particular to a brushless motor rotor and fan blade integrated structure. Background Art

[0002] The brushless motor consists of an electric motor body and a driver. It is a typical mechatronic product. The rotor in a brushless motor refers to the rotating part of the motor, which is divided into a motor rotor and a generator rotor. Conventional vacuum cleaner motors have air-loaded fluid flowing through the rotor and stator surfaces, which takes away the heat of the motor itself. In the wet and dry vacuum cleaner motor structure, when the motor is working, a dry and wet mixed gas flows through the air duct. In terms of design structure, the motor part and the blower flow duct part are sealed and separated. When the motor rotor is running, its own heat dissipation requires additional fan blades, wind collectors and other structures for self-cooling.

[0003] However, the blades and balance blocks of the rotor assembly currently on the market are separate structures. In order to increase the adaptability of the blades, the housing structure of the motor needs to be changed, which affects the adaptability of the motor. The blades are easy to slide on the shaft, and the running stability is poor. Therefore, those skilled in the art provide a brushless motor rotor blade integrated structure to solve the problems raised in the above background technology. Utility Model Content

[0004] The purpose of the utility model is to provide a brushless motor rotor and fan blade integrated structure to solve the problems raised in the above background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A brushless motor rotor fan blade integrated structure includes a shaft, a rotor core, a magnet, a front balance block and a rear balance block, wherein the rotor core is located at the outer side of the shaft, the magnet is located at the outer side of the rotor core, the front balance block is located at one end of the shaft, the rear balance block is located at the other end of the shaft, a cooling fan blade is arranged on one side of the front balance block, a clamping groove is provided on the outer side of the shaft, a positioning groove is provided on one side of the cooling fan blade, a positioning frame is provided inside the positioning groove, a sliding rod is provided inside the positioning frame, a clamping block is provided at one end of the sliding rod, and a spring is installed on the outer side of the sliding rod at the inner side of the positioning frame.

[0007] As a further solution of the utility model: a bearing is arranged at one end of the outer side of the shaft rod, a front mounting shell is arranged on the outer side of the bearing, a moving impeller is installed at one end of the shaft rod at the outer side of the front mounting shell, a cover shell is arranged on one side of the front mounting shell, and a rear mounting shell is arranged on the other side of the front mounting shell.

[0008] As a further solution of the utility model: one side of the cooling fan blade is fixed to the outer position of the front balance block, the outer end of the slide rod slides to the inner position of the positioning frame, and the clamping block slides to the inner position of the positioning frame through the slide rod.

[0009] As a further solution of the utility model: the positions of the card block and the card slot correspond to each other, and the card block is engaged at the inner position of the card slot.

[0010] As a further solution of the utility model: one end of the shaft is rotated at an inner position of the front mounting shell through a bearing, and the impeller is rotated at an inner position of the cover shell through the shaft.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] The utility model discloses a brushless motor rotor fan blade integrated structure, which forms an independent heat dissipation structure of the motor rotor through the cooling fan blade, thereby improving the heat dissipation effect of the motor rotor and is suitable for the motor structure of a wet and dry vacuum cleaner. The cooling fan blade and the front balance block are an integrated structure, which reduces the occupied space and improves the balancing effect of the front balance block.

[0013] The cooling fan blades are positioned by the clamping blocks and the clamping slots to avoid slipping during use, thereby improving the stability of the front balance block and the cooling fan blades and making installation quick and easy. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural schematic diagram of a brushless motor rotor and fan blade integrated structure;

[0015] Figure 2 It is a brushless motor rotor and fan blade integrated structure Figure 1 The structural diagram of part A in the figure;

[0016] Figure 3 The figure is an assembly diagram of a brushless motor rotor and fan blade integrated structure.

[0017] In the figure: 1, shaft; 2, rotor core; 3, magnet; 4, front balancing block; 5, rear balancing block; 6, cooling fan blade; 7, slot; 8, positioning slot; 9, positioning frame; 10, slide bar; 11, block; 12, spring; 13, front mounting shell; 14, bearing; 15, impeller; 16, cover shell; 17, rear mounting shell. DETAILED DESCRIPTION

[0018] See also Figures 1 to 3In the embodiment of the utility model, a brushless motor rotor fan blade integrated structure includes a shaft 1, a rotor core 2, a magnet 3, a front balance block 4 and a rear balance block 5, the rotor core 2 is located at the outer position of the shaft 1, the magnet 3 is located at the outer position of the rotor core 2, the front balance block 4 is located at one end of the shaft 1, the rear balance block 5 is located at the other end of the shaft 1, a cooling fan blade 6 is arranged on one side of the front balance block 4, a card slot 7 is provided on the outer side of the shaft 1, a positioning slot 8 is provided on one side of the cooling fan blade 6, a positioning frame 9 is provided inside the positioning slot 8, a slide bar 10 is provided inside the positioning frame 9, a card block 11 is provided at one end of the slide bar 10, a spring 12 is installed at the inner side of the positioning frame 9 on the outer side of the slide bar 10, and one side of the cooling fan blade 6 is fixed to the front At the outer position of the balancing block 4, the outer end of the slide bar 10 slides at the inner position of the positioning frame 9, and the block 11 slides at the inner position of the positioning frame 9 through the slide bar 10. The position of the block 11 corresponds to the position of the slot 7, and the block 11 is engaged with the inner position of the slot 7. First, the rotor core 2 and the magnet 3 are installed on the outer side of the shaft rod 1, and the rear balancing block 5 is fixed to one end of the shaft rod 1, and the front balancing block 4 and the cooling fan blade 6 are fixed to the other end of the shaft rod 1. During the fixing process, the block 11 slides to the position of the slot 7, and the spring 12 rebounds. The outer end of the slide bar 10 slides inside the positioning frame 9, and the block 11 is stuck to the inside of the slot 7 to complete the positioning of the cooling fan blade 6. Then, it starts to be used. The cooling fan blade 6 performs independent heat dissipation during the operation of a brushless motor rotor fan blade integrated structure.

[0019] exist Figure 2 , 3 Middle: A bearing 14 is provided at one end of the outer side of the shaft 1, a front mounting shell 13 is provided at the outer side of the bearing 14, an impeller 15 is installed at one end of the shaft 1 at the outer side of the front mounting shell 13, a cover shell 16 is provided on one side of the front mounting shell 13, and a rear mounting shell 17 is provided on the other side of the front mounting shell 13, one end of the shaft 1 rotates at the inner position of the front mounting shell 13 through the bearing 14, the impeller 15 rotates at the inner position of the cover shell 16 through the shaft 1, one end of the shaft 1 is fixed to the inner side of the bearing 14, the cover shell 16 is installed to one end of the shaft 1 located at the outer side of the front mounting shell 13, the cover shell 16 is installed to one side of the front mounting shell 13 to protect the impeller 15, and one end of the rear mounting shell 17 is fixed to the other side of the front mounting shell 13 to complete the assembly of the brushless motor.

[0020] The working principle of the utility model is: first, the rotor core 2 and the magnet 3 are installed on the outside of the shaft rod 1, the rear balancing block 5 is fixed to one end of the shaft rod 1, and the front balancing block 4 and the cooling fan blade 6 are fixed to the other end of the shaft rod 1. During the fixing process, the block 11 slides to the position of the slot 7, the spring 12 rebounds, and the outer end of the slide rod 10 slides inside the positioning frame 9, and the block 11 is stuck in the inside of the slot 7 to complete the positioning of the cooling fan blade 6. One end of the shaft rod 1 is fixed to the inner side of the bearing 14, and the cover shell 16 is installed to one end of the shaft rod 1 and is located on the outside of the front mounting shell 13. The cover shell 16 is installed to one side of the front mounting shell 13 to protect the impeller 15, and one end of the rear mounting shell 17 is fixed to the other side of the front mounting shell 13 to complete the assembly of the brushless motor. Then, it starts to be used. The cooling fan blade 6 performs independent heat dissipation during the operation of a brushless motor rotor fan blade integrated structure.

[0021] What is described above is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A brushless motor rotor blade integrated structure, comprising a shaft (1), a rotor core (2), a magnet (3), a front balancing block (4) and a rear balancing block (5), wherein the rotor core (2) is located at an outer position of the shaft (1), the magnet (3) is located at an outer position of the rotor core (2), the front balancing block (4) is located at one end of the shaft (1), and the rear balancing block (5) is located at the other end of the shaft (1), characterized in that: A cooling fan blade (6) is provided on one side of the front balancing block (4), a retaining groove (7) is provided on the outer side of the shaft rod (1), a positioning groove (8) is provided on one side of the cooling fan blade (6), a positioning frame (9) is provided inside the positioning groove (8), a sliding rod (10) is provided inside the positioning frame (9), a retaining block (11) is provided at one end of the sliding rod (10), and a spring (12) is installed on the outer side of the sliding rod (10) at a position inside the positioning frame (9).

2. The brushless motor rotor and fan blade integrated structure according to claim 1, characterized in that: A bearing (14) is arranged at one end of the outer side of the shaft (1), a front mounting shell (13) is arranged at the outer side of the bearing (14), a movable impeller (15) is installed at one end of the shaft (1) at a position outside the front mounting shell (13), a cover shell (16) is arranged on one side of the front mounting shell (13), and a rear mounting shell (17) is arranged on the other side of the front mounting shell (13).

3. The integrated structure of a brushless motor rotor and fan blades according to claim 1, characterized in that: One side of the cooling fan blade (6) is fixed to an outer position of the front balancing block (4), the outer end of the sliding rod (10) slides to an inner position of the positioning frame (9), and the clamping block (11) slides to an inner position of the positioning frame (9) through the sliding rod (10).

4. The brushless motor rotor and fan blade integrated structure according to claim 1, characterized in that: The position of the card block (11) corresponds to that of the card slot (7), and the card block (11) is engaged at an inner position of the card slot (7).

5. The brushless motor rotor and fan blade integrated structure according to claim 2, characterized in that: One end of the shaft (1) rotates at an internal position of the front mounting shell (13) through a bearing (14), and the impeller (15) rotates at an internal position of the cover shell (16) through the shaft (1).

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