High-performance dust collector motor

Abstract

The invention provides a high-performance dust collector motor, and relates to the technical field of motors, the high-performance dust collector motor comprises an upper shell and a lower shell which form a mounting space, the center of the upper shell is provided with a rotating shaft rotatably connected with the center of the lower shell, a plurality of U-shaped parts are circumferentially distributed in the lower shell, two ends of each U-shaped part are wound with coils, and one ends of the U-shaped parts are mutually connected to form a stator; a plurality of magnetic sheets are circumferentially arranged on one surface, facing the lower shell, of the upper shell, are circumferentially distributed to form a stator, and are positioned in a U-shaped groove of the U-shaped piece; the coils of the stator are separated into multiple coils, accumulation of the same number of coils can be reduced, heat accumulated between the coils is optimized, the heat dissipation effect is improved, the performance of the motor is optimized, the coils are separated, the stress area of the magnetic sheets is increased, the stress direction of the rotor is increased, the stress stability of the rotor can be improved, and the performance of the motor can be improved.

Description

Technical Field

[0001] The present invention relates to the technical field of motors, and in particular to a high-performance vacuum cleaner motor. Background Art

[0002] Vacuum cleaners are one of the common equipment in industry and households. The components of vacuum cleaners are mainly composed of motors and blades. The motor drives the blades to rotate to generate suction to cope with cleaning tasks in multiple scenarios. The current motors include brushless motors and brushed motors. Vacuum cleaners currently use brushless motors, which have the characteristics of high stability. The brushless motor has a coil that can be energized and is driven by a magnet. The magnet is generally fixed on the rotor and can rotate with the coil. The coil space in the motor is limited, and the performance of the motor depends on the number of turns of the coil to increase the magnetic force of the pole tip to drive the rotor. However, in a limited space, the thrust of the coil on the rotor is only pushed on one side, and the upper limit of the motor speed is small. It is difficult to improve its performance, which affects the improvement of the vacuum cleaner motor performance. Summary of the invention

[0003] The technical problem to be solved by the present invention is to provide a high-performance vacuum cleaner motor to solve the problem that the motor structure affects the improvement of the motor performance.

[0004] Based on the technical problems existing in the background technology, the present invention proposes a high-performance vacuum cleaner motor, comprising an upper shell and a lower shell forming an installation space, a rotating shaft rotatably connected to the center of the lower shell is arranged at the center of the upper shell, a plurality of U-shaped parts are circumferentially distributed in the lower shell, coils are wound around both ends of the U-shaped parts and one ends of the U-shaped parts are connected to each other to form a stator, a plurality of magnetic sheets are circumferentially arranged on a side of the upper shell facing the lower shell, the plurality of magnetic sheets are circumferentially distributed to form a stator, and the magnetic sheets are located in the U-grooves of the U-shaped parts.

[0005] Preferably, the lower shell is provided with double side walls, namely an inner side wall and an outer side wall, with a gap between the inner side wall and the outer side wall, and the upper side wall of the upper shell is located between the inner side wall and the outer side wall.

[0006] Preferably, the upper side wall is provided with a plurality of air guide grooves, and the upper shell body can rotate relative to the lower shell body to guide air to the inner side wall through the air guide grooves.

[0007] Preferably, a plurality of fins are connected to the outer side of the inner side wall, and both the fins and the inner side wall are made of metal.

[0008] Preferably, the bottom of the lower shell is provided with an opening communicating with the installation space, and the opening is closed by a cover.

[0009] Preferably, the middle portion of the cover body has an opening, and the bottom of the cover body passes through the bolt body and is threadedly connected to the stator so that the stator and the cover body are fixedly connected.

[0010] Preferably, a column slot with an upward opening is provided in the middle of the stator, the rotating shaft passes through the upper shell and is located in the column slot, and a shaft body is installed in the column slot and is sleeved with the part of the column body located in the column slot.

[0011] Compared with the prior art, the high-performance vacuum cleaner motor proposed by the present invention adopts the above technical solution and achieves the following technical effects:

[0012] The present invention separates the coil of the stator into multiple coils, which can reduce the accumulation of coils with the same number of turns, optimize the heat accumulated between the coils, improve the heat dissipation effect, and optimize the performance of the motor. In the present invention, by separating the coils, increasing the force area of ​​the magnetic sheet, and increasing the force direction of the rotor, the stability of the rotor force can be improved, and the performance of the motor can be improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the internal installation structure of the present invention;

[0014] Figure 2 is a cross-sectional side view of the present invention;

[0015] Figure 3 It is a schematic diagram of the stator structure of the present invention;

[0016] Figure 4 It is a schematic diagram of the separation structure of the present invention.

[0017] In the figure: 200, installation space; 1, upper shell; 2, lower shell; 3, rotating shaft; 100, stator; 4, magnetic sheet; 51, U-groove; 21, inner wall; 22, outer wall; 11, upper side wall; 111, air guide groove; 23, fin; 101, column groove; 102, shaft; 300, rotor; 5, U-shaped piece; 52, coil; 6, cover. DETAILED DESCRIPTION

[0018] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral one; it can be a mechanical connection, an electrical connection, or communication with each other; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0019] In the present invention, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0020] Example

[0021] Please refer to Figure 1-Figure 4 The present invention proposes a high-performance vacuum cleaner motor, including an upper shell 1 and a lower shell 2 forming an installation space 200, a rotating shaft 3 rotatably connected to the center of the lower shell 2 is arranged at the center of the upper shell 1, a plurality of U-shaped pieces 5 are circumferentially distributed in the lower shell 2, coils 52 are wound around the two ends of the U-shaped piece 5 and one end of the U-shaped piece 5 is mutually connected to form a stator 100, a plurality of magnetic pieces 4 are circumferentially arranged on a side of the upper shell 1 facing the lower shell 2, a plurality of magnetic pieces 4 are circumferentially distributed to form the stator 100, and the magnetic pieces 4 are located in the U groove 51 of the U-shaped piece 5; in this scheme, the upper shell 1 is provided with an annular frame facing the lower shell 2, and the frame is evenly divided into a plurality of partitions, each partition The interior is hollow, and multiple magnetic sheets 4 are installed corresponding to multiple partitions. The bottom of the partition has an opening, which is convenient for the installation of the magnetic sheet 4 and is closed by a cover to form a rotor 300; the magnetism of the two poles of the magnetic sheet 4 is opposite. When power is turned on, the two coils 52 of the U-shaped part 5 have the same winding direction and share a common wire. Opposite magnetic poles will be formed on both sides of the U-shaped groove. The magnetic poles of the magnetic sheet 4 close to the coil 52 are opposite. One magnetic sheet 4 will be pushed by the two magnetic poles of a U-shaped part 5, and the same number of coils 52 can be distributed on both sides of the U-shaped part 5, which can reduce the thickness of the coil 52 stack, improve the heat dissipation effect, and thus improve the motor performance.

[0022] In a specific embodiment, refer to Figure 1 , Figure 2 The lower shell 2 is provided with a double-layer side wall, namely an inner wall 21 and an outer wall 22, with a gap between the inner wall 21 and the outer wall 22, and the upper side wall 11 of the upper shell 1 is located between the inner wall 21 and the outer wall 22; in this solution, the double-layer side wall in the lower shell 2 can increase the interlacing effect between the upper shell 1 and the lower shell 2, and improve the stability of the motor housing. At the same time, the outer wall 22 can protect the upper side wall 11 to prevent the upper shell 1 from being interfered with.

[0023] In a specific embodiment, refer to Figure 1 , Figure 4The upper side wall 11 is provided with a plurality of air guide grooves 111. The upper shell 1 rotates relative to the lower shell 2 to guide air to the inner side wall 21 through the air guide grooves 111. In this solution, the upper shell 1 rotates together with the rotor 300. When the upper shell 1 rotates, the air guide grooves 111 guide air to the inner side wall 21, thereby increasing the air flow outside the inner side wall 21 and accelerating the heat dissipation of the inner side wall 21.

[0024] In a specific embodiment, refer to Figure 1 , Figure 2 A plurality of fins 23 are connected to the outer side of the inner wall 21. Both the fins 23 and the inner wall 21 are made of metal. In this embodiment, the fins 23 can increase the heat dissipation area of ​​the inner wall 21 and accelerate the heat dissipation effect of the inner wall 21. Furthermore, the outer wall 22, the bottom of the lower shell 2 and the upper shell 1 are made of insulating plastic.

[0025] In a specific embodiment, refer to Figure 4 The bottom of the lower shell 2 is provided with an opening connected to the installation space 200, and the opening is closed by a cover 6; in this solution, the cover 6 is fixed to the lower shell 2 by screws, and the cover 6 can facilitate the disassembly of the lower shell 2 to repair the interior of the motor.

[0026] In a specific embodiment, refer to Figure 1 The cover body 6 has an opening in the middle, and the bottom of the cover body 6 passes through the bolt body 7 and is threadedly connected to the stator 100, so that the stator 100 is fixedly connected to the cover body 6. The lower end of the stator 100 in this scheme has a threaded hole, and the cover body 6 passes through the bolt body 7 from below and is threadedly connected to the threaded hole of the stator 100, so that the stator 100 is fixed on the cover plate, and the disassembly of the cover plate can facilitate the inspection of the stator 100.

[0027] In a specific embodiment, refer to Figure 1 A column groove 101 with an upward opening is provided in the middle of the stator 100, the rotating shaft 3 passes through the upper shell 1 and is located in the column groove 101, and a shaft body 102 is installed in the column groove 101 and is sleeved with the part of the column located in the column groove 101; in this solution, the number of shaft bodies 102 is set to two, and the two shaft bodies 102 can have a stabilizing effect on the rotating shaft 3. The shaft body 102 can also fix the position of the rotating shaft 3 relative to the lower shell 2, provide a support point for the upper shell 1, and improve the stability of the device.

[0028] The above description 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 according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A high-performance vacuum cleaner motor, characterized in that: The invention comprises an upper shell (1) and a lower shell (2) forming an installation space (200); a rotating shaft (3) rotatably connected to the center of the lower shell (2) is arranged at the center of the upper shell (1); a plurality of U-shaped parts (5) are circumferentially distributed inside the lower shell (2); coils (52) are wound around the two ends of the U-shaped parts (5) and one end of the U-shaped parts (5) are connected to each other to form a stator (100); a plurality of magnetic sheets (4) are circumferentially arranged on a surface of the upper shell (1) facing the lower shell (2); the plurality of magnetic sheets (4) are circumferentially distributed to form a stator (100); and the magnetic sheets (4) are located in U grooves (51) of the U-shaped parts (5).

2. The high-performance vacuum cleaner motor according to claim 1, characterized in that: The lower shell (2) is provided with double side walls, namely an inner side wall (21) and an outer side wall (22), with a gap between the inner side wall (21) and the outer side wall (22), and the upper side wall (11) of the upper shell (1) is located between the inner side wall (21) and the outer side wall (22).

3. The high performance vacuum cleaner motor according to claim 2, characterized in that: The upper side wall (11) is provided with a plurality of air guide grooves (111), and the upper shell (1) can be rotated relative to the lower shell (2) to guide air toward the inner side wall (21) through the air guide grooves (111).

4. The high-performance vacuum cleaner motor according to claim 2, characterized in that: A plurality of fins (23) are connected to the outer side of the inner wall (21), and the fins (23) and the inner wall (21) are both made of metal.

5. The high-performance vacuum cleaner motor according to claim 1, characterized in that: The bottom of the lower shell (2) is provided with an opening communicating with the installation space (200), and the opening is closed by a cover (6).

6. The high-performance vacuum cleaner motor according to claim 5, characterized in that: The middle of the cover body (6) has an opening, and the bottom of the cover body (6) passes through the bolt body (7) and is threadedly connected to the stator (100) so that the stator (100) and the cover body (6) are fixedly connected.

7. The high performance vacuum cleaner motor according to claim 1, characterized in that: A column slot (101) with an upward opening is provided in the middle of the stator (100); the rotating shaft (3) passes through the upper shell (1) and is located in the column slot (101); a shaft body (102) is installed in the column slot (101) and is sleeved with the part of the column body located in the column slot (101).

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