Claw pole type permanent magnet synchronous motor with three-dimensional compact structure

Abstract

The utility model discloses a claw pole type permanent magnet synchronous motor with a three-dimensional compact structure, which comprises a bottom shell, a motor cover plate and an electromagnetic driving part, the electromagnetic driving part is arranged at the side edge of the protruding part of the bottom shell, the tail end of the electromagnetic driving part is also provided with a stator driving gear, and the left side of the stator driving gear is provided with a transmission gear assembly. The stator driving gear is meshed with a gear of the transmission gear assembly, the transmission gear assembly is composed of multiple sets of transmission gears, the last-stage gear in the transmission gear assembly is provided with a driving shaft, the driving shaft and the concave portion of the bottom shell are in the same direction, and part of the transmission gears in the transmission gear assembly are arranged at the edge position of the Y-axis direction of the bottom shell. The last-stage gear of the transmission gear assembly is located at the left side edge position of the concave part of the bottom shell, the utilization rate of the motor shell can be effectively improved by applying the three-dimensional compact layout, the thickness of the motor is reduced, and the motor can be suitable for more products.

Description

Technical Field

[0001] The utility model relates to the field of motors, and in particular to the field of claw-pole permanent magnet synchronous motors with a compact structure. Background Art

[0002] In claw-pole permanent magnet synchronous motors, the conventional method is that the driving shaft driven by the transmission gear is in the opposite direction to the electromagnetic driving part, resulting in that the height of the entire motor cannot be lowered. As a result, many products do not have such specifications when thinner motors are needed. For example, in the utility patent with publication number CN217216333U and patent name "A claw-pole permanent magnet synchronous motor", its driving shaft is exposed at the bottom of the motor shell, which will increase the thickness of the whole machine. When many products are made in thinner models, this thick motor cannot be used; at the same time, if there are multiple transmissions in the existing motors, usually the internal layout cannot fully reflect the compactness in a three-dimensional manner, resulting in the motor becoming larger and the cost increasing, which is not conducive to the competitiveness of new products in the market. Utility Model Content

[0003] In order to solve the above problems, the present invention provides a claw-pole permanent magnet synchronous motor with a three-dimensional compact structure, which includes a bottom shell, a motor cover and an electromagnetic drive part. The electromagnetic drive part is arranged at the lateral edge of the protrusion of the bottom shell. A stator drive gear is also arranged at the end of the electromagnetic drive part. A transmission gear assembly is arranged on the left side of the stator drive gear. The stator drive gear is meshed with the gear of the transmission gear assembly. When the motor is working, the gear produces a transmission effect.

[0004] Furthermore, the transmission gear assembly is composed of multiple groups of transmission gears, and the last-stage gear in the transmission gear assembly is provided with a drive shaft, and the drive shaft is in the same direction as the recessed portion of the bottom shell, so that the height of the drive shaft on the motor can be reduced. Some transmission gears in the transmission gear assembly are arranged at the edge position of the Y-axis direction of the bottom shell, and the last-stage transmission gear in the transmission gear assembly is arranged at the lateral edge position of the recessed portion of the bottom shell. When the above-mentioned gears are at the lateral edge position of the bottom shell, the compactness of the transmission gear assembly can be improved to the maximum extent possible, and the space utilization of the motor shell can be improved.

[0005] Furthermore, the transmission gear assembly includes a first transmission gear, which is meshed with the stator drive gear. The uppermost end of the first transmission gear is adjacent to the motor cover. A second transmission gear is arranged on the left side of the first transmission gear. The large gear of the second transmission gear is meshed with the first transmission gear. The small gear of the second transmission gear is meshed with the large gear of the third transmission gear. The small gear of the third transmission gear is meshed with the large gear of the fourth transmission gear. The small gear of the fourth transmission gear is meshed with the large gear of the fifth transmission gear. The small gear of the fifth transmission gear is meshed with the gear of the sixth transmission gear. A driving shaft is arranged at the end of the central axis of the sixth transmission gear.

[0006] Preferably, the second transmission gear is adjacent to an edge position of one end of the bottom shell in the Y-axis direction, and the fifth transmission gear is adjacent to an edge position of the other end of the bottom shell in the Y-axis direction.

[0007] Furthermore, the upper end surface of the sixth transmission gear is adjacent to the inner end surface of the recessed portion of the bottom shell.

[0008] Furthermore, the second transmission gear, the third transmission gear, the fourth transmission gear, and the fifth transmission gear are all double gears, having a large gear and a small gear stacked on the upper part or the lower part of the large gear.

[0009] Preferably, the centers of the stator drive gear and the second transmission gear form a straight line, and the straight line forms an acute angle with the center line of the stator drive gear in the Y-axis direction.

[0010] Preferably, a connecting line of the centers of the fifth transmission gear and the sixth transmission gear forms an acute angle with a center line of the sixth transmission gear in the Y-axis direction.

[0011] Preferably, the center of the electromagnetic drive part is the same as the center of the bottom shell protrusion, and the electromagnetic drive part is adjacent to the lateral edge of the bottom shell protrusion. The layout of adjacent edges saves the area occupied by the electromagnetic drive part in the bottom shell and saves the cost of the bottom shell.

[0012] The working principle of the utility model is as follows: a claw-pole permanent magnet synchronous motor with a three-dimensional compact structure, which includes a bottom shell, a motor cover and an electromagnetic drive part, one end of the electromagnetic drive part is equipped with a stator drive gear, the drive gear is meshed with the transmission gear assembly, drives the drive shaft to move, and the drive shaft is connected to the relevant components on the finished machine, in the transmission gear assembly, the upper end of the first transmission gear is adjacent to the motor cover, the second transmission gear is adjacent to one end edge position of the bottom shell in the Y-axis direction, the fifth transmission gear is adjacent to the other end edge position of the bottom shell in the Y-axis direction, the sixth transmission gear is adjacent to the lateral edge position of the bottom shell recess, the gear upper end face of the sixth transmission gear is adjacent to the inner end face of the bottom shell recess, the above-mentioned first transmission gear, the second transmission gear, the fifth transmission gear, and the sixth transmission gear are arranged at the edge positions of the bottom shell in the X-axis and Y-axis directions, the center of the electromagnetic drive part is the same as the center of the bottom shell protrusion, and the electromagnetic drive part is adjacent to the lateral edge position of the bottom shell protrusion, so that the electromagnetic drive part and the transmission gear assembly are formed. The three-dimensional compact layout of the bottom shell is formed, the internal space of the bottom shell is greatly compressed, and the cost is saved. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The present invention is further described in detail below in conjunction with the accompanying drawings and embodiments of the present invention.

[0014] Figure 1 Shown is a schematic diagram of the utility model explosion.

[0015] Figure 2 The schematic diagram after the utility model is assembled is shown.

[0016] Figure 3 The gear distribution position diagram of the present invention is shown.

[0017] The reference numerals in the figure are: 1-bottom shell, 2-electromagnetic drive part, 3-stator drive gear, 4-first transmission gear, 5-second transmission gear, 6-third transmission gear, 7-fourth transmission gear, 8-fifth transmission gear, 9-sixth transmission gear, 10-drive shaft, 11-motor cover, 101-bottom shell recess, 102-bottom shell protrusion, 201-magnetic ring rotor, 202-winding stator assembly, 203-upper claw pole plate, 204-rotating stator. DETAILED DESCRIPTION

[0018] like Figure 1-Figure 3As shown, a claw-pole permanent magnet synchronous motor with a three-dimensional compact structure described in an embodiment of the present utility model includes a bottom shell 1, a motor cover plate 11 and an electromagnetic drive unit 2, wherein the electromagnetic drive unit 2 is arranged at the right edge of the bottom shell protrusion 102, and the electromagnetic drive unit 2 includes a magnetic ring rotor 201, a winding stator assembly 202, an upper claw pole plate 203, and a rotating stator 204. This structure is a prior art and is not described in detail here. A stator drive gear 3 is also provided at the end of the electromagnetic drive unit 2, and a transmission gear assembly is provided on the left side of the stator drive gear 3. The stator drive gear 3 is meshed with the gear in the transmission gear assembly. When the electromagnetic drive unit 2 is powered on, the stator drive gear 3 moves, and other gears also generate corresponding transmission.

[0019] The transmission gear assembly is composed of a plurality of transmission gears, and a drive shaft 10 is arranged on the sixth transmission gear 9 in the transmission gear assembly. The drive shaft 10 and the bottom shell recess 101 are in the same direction, so that the height of the drive shaft 10 on the motor can be reduced.

[0020] The transmission gear assembly includes a first transmission gear 4, which is meshed with the stator drive gear 3. The uppermost end of the first transmission gear 4 is adjacent to the motor cover 11. A second transmission gear 5 is arranged on the left side of the first transmission gear 4. The large gear of the second transmission gear 5 is meshed with the first transmission gear 4, the small gear of the second transmission gear 5 is meshed with the large gear of the third transmission gear 6, the small gear of the third transmission gear 6 is meshed with the large gear of the fourth transmission gear 7, the small gear of the fourth transmission gear 7 is meshed with the large gear of the fifth transmission gear 8, the small gear of the fifth transmission gear 8 is meshed with the gear of the sixth transmission gear 9, and a drive shaft 10 is arranged at the end of the central axis of the sixth transmission gear 9, and the drive shaft 10 extends from the outer end of the bottom shell 1.

[0021] The second transmission gear 5 is adjacent to the lower edge of the bottom shell 1 in the Y-axis direction, the fifth transmission gear 8 is adjacent to the upper edge of the bottom shell 1 in the Y-axis direction, and the sixth transmission gear 9 is adjacent to the left edge of the bottom shell recess 101 .

[0022] The upper end surface of the sixth transmission gear 9 is adjacent to the inner end surface of the bottom shell recess 101, which can reduce the thickness of the whole machine.

[0023] The second transmission gear 5, the third transmission gear 6, the fourth transmission gear 7 and the fifth transmission gear 8 are all double gears, having a large gear and a small gear stacked on the upper or lower part of the large gear. The first transmission gear 4 is not provided with a small gear and has no transmission ratio.

[0024] The center of the stator drive gear 3 and the second transmission gear 5 form a straight line, and the straight line forms an acute angle B with the center line of the stator drive gear 3 in the Y-axis direction, so that the three gears in this area can be connected at a shorter distance and can be close to the edge of the bottom shell in the Y-axis direction, which effectively improves the compactness of the layout.

[0025] The connecting line of the centers of the fifth transmission gear 8 and the sixth transmission gear 9 forms an acute angle A with the center line of the sixth transmission gear in the Y-axis direction. This layout allows two adjacent sides of the bottom shell 1 to be arranged at the shortest distance from the fifth transmission gear 8 and the sixth transmission gear 9.

[0026] The center of the electromagnetic drive part 2 is the same as the center of the bottom shell protrusion 102, and the electromagnetic drive part 2 is adjacent to the right edge of the bottom shell protrusion 102. The two components are arranged with adjacent edges, which saves the area occupied by the electromagnetic drive part 2 in the bottom shell 1 and saves the cost of the bottom shell 1.

[0027] The working principle of the utility model is as follows: a claw-pole permanent magnet synchronous motor with a three-dimensional compact structure comprises a bottom shell 1, a motor cover 11 and an electromagnetic drive unit 2, a stator drive gear 3 is installed at one end of the electromagnetic drive unit 2, the stator drive gear 3 is meshed with the transmission gear assembly, and drives the drive shaft 10 to move, and the drive shaft 10 is connected to the relevant components on the finished machine, in the transmission gear assembly, the uppermost end of the first transmission gear 4 is adjacent to the motor cover 11, the second transmission gear 5 is adjacent to the lower edge position of the bottom shell 1 in the Y-axis direction, the fifth transmission gear 8 is adjacent to the upper edge position of the bottom shell 1 in the Y-axis direction, and the sixth transmission gear 9 is adjacent to the bottom shell recess 101, the upper end face of the sixth transmission gear 9 is adjacent to the inner end face of the bottom shell recess 101, so that the first transmission gear 4, the second transmission gear 5, the fifth transmission gear 8, and the sixth transmission gear 9 are arranged at the edge positions of the bottom shell 1 in the X-axis and Y-axis directions, the center of the electromagnetic drive part 2 is the same as the center of the bottom shell protrusion 102, and the electromagnetic drive part 2 is adjacent to the right edge of the bottom shell protrusion 102. The above structure forms a three-dimensional compact layout of the electromagnetic drive part 2 and the transmission gear assembly on the bottom shell 1. When the electromagnetic drive part 2 is running, it drives the relevant transmission gears to adjust the speed and drives the drive shaft 10 to run, so that the product can realize related functions.

[0028] The use of this three-dimensional compact layout can effectively improve the utilization rate of the space inside the motor housing, while also reducing the thickness of the entire motor, making the motor applicable to more products.

[0029] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various changes and variations. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A claw-pole permanent magnet synchronous motor with a three-dimensional compact structure, comprising a bottom shell, a motor cover and an electromagnetic drive unit, characterized in that The electromagnetic drive unit is arranged at a lateral edge position of the bottom shell protrusion, and a stator drive gear is also arranged at the end of the electromagnetic drive unit. A transmission gear assembly is arranged on the left side of the stator drive gear, and the stator drive gear is meshed with the gear of the transmission gear assembly. The transmission gear assembly is composed of multiple groups of transmission gears. The last stage gear in the transmission gear assembly is provided with a drive shaft, and the drive shaft is in the same direction as the bottom shell recess. Some transmission gears in the transmission gear assembly are arranged at the edge position of the Y-axis direction of the bottom shell, and the last stage transmission gear in the transmission gear assembly is arranged at the lateral edge position of the bottom shell recess.

2. The claw-pole permanent magnet synchronous motor with a three-dimensional compact structure according to claim 1, characterized in that: The transmission gear assembly includes a first transmission gear, which is meshed with the stator drive gear. The uppermost end of the first transmission gear is adjacent to the motor cover. A second transmission gear is arranged on the left side of the first transmission gear. The large gear of the second transmission gear is meshed with the first transmission gear. The small gear of the second transmission gear is meshed with the large gear of the third transmission gear. The small gear of the third transmission gear is meshed with the large gear of the fourth transmission gear. The small gear of the fourth transmission gear is meshed with the large gear of the fifth transmission gear. The small gear of the fifth transmission gear is meshed with the gear of the sixth transmission gear. A driving shaft is arranged at the end of the central axis of the sixth transmission gear.

3. The claw-pole permanent magnet synchronous motor with a three-dimensional compact structure according to claim 2, characterized in that: The second transmission gear is adjacent to one end edge of the bottom shell in the Y-axis direction, the fifth transmission gear is adjacent to the other end edge of the bottom shell in the Y-axis direction, and the sixth transmission gear is adjacent to the lateral edge of the bottom shell recess.

4. The claw-pole permanent magnet synchronous motor with a three-dimensional compact structure according to claim 2, characterized in that: The gear upper end surface of the sixth transmission gear is adjacent to the inner end surface of the recessed portion of the bottom shell.

5. The claw-pole permanent magnet synchronous motor with a three-dimensional compact structure according to claim 2, characterized in that: The second transmission gear, the third transmission gear, the fourth transmission gear and the fifth transmission gear are all double gears, having a large gear and a small gear stacked on the upper part or the lower part of the large gear.

6. The claw-pole permanent magnet synchronous motor with a three-dimensional compact structure according to claim 2, characterized in that: The centers of the stator driving gear and the second transmission gear form a straight line, and the straight line forms an acute angle with the center line of the stator driving gear in the Y-axis direction.

7. The claw-pole permanent magnet synchronous motor with a three-dimensional compact structure according to claim 2, characterized in that: A connecting line of the centers of the fifth transmission gear and the sixth transmission gear forms an acute angle with a center line of the sixth transmission gear in the Y-axis direction.

8. The claw-pole permanent magnet synchronous motor with a three-dimensional compact structure according to claim 3, characterized in that The center of the electromagnetic driving part is the same as the center of the bottom shell protrusion, and the electromagnetic driving part is adjacent to the lateral edge of the bottom shell protrusion.

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