Magnetic transmission structure, motor transmission system and motor product

Abstract

The utility model relates to the technical field of motors, in particular to a magnetic transmission structure, a motor transmission system and a motor product, the magnetic transmission structure comprises a first driving disc and a second driving disc which are coaxially and oppositely arranged, a plurality of first supporting blocks are annularly arrayed at the top of the first driving disc, and a plurality of second supporting blocks are annularly arrayed at the bottom of the second driving disc; a plurality of first supporting blocks are annularly arrayed at the bottom of the first driving disc, a plurality of second supporting blocks are annularly arrayed at the bottom of the second driving disc, the side faces of the first supporting blocks and the side faces of the second supporting blocks are arranged in a one-to-one correspondence mode, a first clamping groove is formed in one side of each first supporting block, a first magnet is embedded in each first clamping groove, and a second clamping groove is formed in the other side of each second supporting block; a second magnet is embedded in each second clamping groove, and each first magnet and the corresponding second magnet opposite to the first magnet have the same magnetic pole; by utilizing the principle that like poles repel, the first driving disc and the second driving disc do not contact with each other, so that noise generated by vibration in the operation process of the motor is reduced, good sound insulation and noise reduction effects are achieved, and the motor is simple in structure and convenient to use.

Description

Technical Field

[0001] The utility model relates to the technical field of motors, and in particular to a magnetic transmission structure, a motor transmission system and motor products. Background Art

[0002] Power tools generally refer to mechanized tools that use electric motors or electromagnets as power and drive the working head through a transmission mechanism. There are many types of power tools, such as common electric drills, electric grinders, electric sanders, electric wrenches, electric screwdrivers, electric saws and other power tools, as well as garden power tools such as lawn mowers, trimmers, grass trimmers and edge trimmers used in garden operations.

[0003] In recent years, with the continuous development of the home appliance industry, small home appliances have become an indispensable part of people's lives. Some common small home appliances include kitchen appliances such as chef machines, noodle mixers, dough mixers and food processors, as well as household appliances such as electric fans, vacuum cleaners and hair dryers.

[0004] Some existing motor products such as power tools and small household appliances generally use motors to drive gears or are directly driven by motors. Since the motors run at high speeds, vibrations and high noises are generated during operation. Utility Model Content

[0005] In order to overcome the shortcomings and deficiencies in the prior art, the purpose of the utility model is to provide a magnetic transmission structure, a motor transmission system and a motor product.

[0006] The purpose of the utility model is achieved through the following technical scheme: a magnetic transmission structure, including a first drive disk and a second drive disk coaxially arranged opposite to each other, the top annular array of the first drive disk has a plurality of first support blocks, the bottom annular array of the second drive disk has a plurality of second support blocks, the side surfaces of the plurality of first support blocks are arranged opposite to the side surfaces of the plurality of second support blocks one by one, a first slot is provided on one side of each first support block, a first magnet is embedded in each first slot, a second slot is provided on the other side of each second support block, a second magnet is embedded in each second slot, and each first magnet has the same magnetic pole as the second magnet opposite to it.

[0007] Furthermore, a first through hole for mounting the output shaft is axially opened in the center of the first driving disk, and a first nut for fixing the output shaft is embedded in the top of the first through hole.

[0008] Furthermore, a second through hole for installing the driving shaft is axially opened in the center of the second driving disk, and a second nut for fixing the driving shaft is embedded in the bottom of the second through hole.

[0009] Furthermore, the cross-sections of the first magnet and the second magnet are both isosceles trapezoidal, and the cross-sections of the first clamping slot and the second clamping slot are both isosceles trapezoidal.

[0010] Furthermore, the back side of each of the first slots is hollowed out, and a first hook is protruding upward from the top center of the hollowed-out portion, and each first hook is engaged with the bottom of the corresponding first magnet.

[0011] Furthermore, the back side of each of the second slots is hollowed out, and a second hook is protruding downward from the center of the bottom of the hollowed-out portion, and each second hook is engaged with the top of the corresponding second magnet.

[0012] Furthermore, an outer arc surface structure is convexly provided on the other side of each of the first support blocks, and an inner arc surface structure is convexly provided on one side of each of the second support blocks.

[0013] Furthermore, the size of the first driving disk is larger than the size of the second driving disk.

[0014] Another object of the utility model is achieved through the following technical solution: a motor transmission system, the motor transmission system includes a motor and the magnetic transmission structure described above.

[0015] A motor product, comprising the motor transmission system described above.

[0016] The beneficial effects of the utility model are as follows: the magnetic transmission structure of the utility model adopts a first drive disk and a second drive disk which are coaxially arranged opposite to each other, the first magnet on the first drive disk and the second magnet on the second drive disk have the same magnetic pole, and utilizes the principle that like poles repel each other, so that the first drive disk and the second drive disk do not contact each other, thereby reducing the noise generated by vibration during the operation of the motor, achieving a better sound insulation and noise reduction effect, and has a simple structure and is easy to use.

[0017] The motor transmission system and motor products of the utility model have low noise by adopting the magnetic transmission structure, and can also reduce the wear of transmission parts, extend the service life of transmission parts, and reduce the cost of using product accessories. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a stereogram of the utility model.

[0019] Figure 2 It is a three-dimensional exploded view of the utility model.

[0020] Figure 3 It is a three-dimensional diagram of the first driving disk of the utility model.

[0021] Figure 4 It is a three-dimensional diagram of the second driving disk of the utility model.

[0022] The figures are marked as: first drive disk 1, first mounting hole 10, first support block 11, first slot 12, first magnet 13, first through hole 14, first nut 15, first hook 16, outer arc surface structure 17, second drive disk 2, second mounting hole 20, second support block 21, second slot 22, second magnet 23, second through hole 24, second nut 25, second hook 26, inner arc surface structure 27. DETAILED DESCRIPTION

[0023] In order to facilitate the understanding of those skilled in the art, the following embodiments and attached Figure 1-4 To further illustrate the present invention, the contents mentioned in the implementation modes are not intended to limit the present invention.

[0024] See Figure 1-4 A magnetic transmission structure comprises a first driving disk 1 and a second driving disk 2 which are coaxially arranged opposite to each other, the top annular array of the first driving disk 1 comprises a plurality of first supporting blocks 11, the bottom annular array of the second driving disk 2 comprises a plurality of second supporting blocks 21, the side surfaces of the plurality of first supporting blocks 11 are arranged opposite to the side surfaces of the plurality of second supporting blocks 21, a first slot 12 is provided on one side of each first supporting block 11, a first magnet 13 is embedded in each first slot 12, a second slot 22 is provided on the other side of each second supporting block 21, a second magnet 23 is embedded in each second slot 22, and each first magnet 13 has the same magnetic pole as the second magnet 23 opposite to it.

[0025] The magnetic transmission structure of the utility model adopts a first drive disk 1 and a second drive disk 2 which are coaxially arranged opposite to each other. The first magnet 13 on the first drive disk 1 and the second magnet 23 on the second drive disk 2 have the same magnetic pole. The principle of like poles repel each other is used to prevent the first drive disk 1 and the second drive disk 2 from contacting each other, so as to reduce the noise generated by vibration during the operation of the motor, achieve good sound insulation and noise reduction effects, and has a simple structure and is easy to use.

[0026] In this embodiment, a first through hole 14 for mounting the output shaft is axially provided in the center of the first driving disc 1, and a first nut 15 for fixing the output shaft is embedded in the top of the first through hole 14. The first driving disc 1 is mounted on the output shaft of the motor and fixed by the first nut 15.

[0027] In this embodiment, a second through hole 24 for mounting the drive shaft is axially provided in the center of the second drive disc 2, and a second nut 25 for fixing the drive shaft is embedded at the bottom of the second through hole 24. The second drive disc 2 is mounted on the drive shaft and fixed by the second nut 25.

[0028] In this embodiment, the cross-sections of the first magnet 13 and the second magnet 23 are both isosceles trapezoidal, and the cross-sections of the first clamping slot 12 and the second clamping slot 22 are both isosceles trapezoidal. The above-mentioned structure is convenient for clamping and fixing the first magnet 13.

[0029] In this embodiment, the back of each first slot 12 is hollowed out, and a first hook 16 is protruding upward from the top center of the hollowed-out part, and each first hook 16 is engaged with the bottom of the corresponding first magnet 13. The above-mentioned structure is convenient for the first magnet 13 and the second magnet 23 to be engaged and fixed. Specifically, a first mounting hole 10 connected to the first slot 12 is provided at the bottom of the first drive disk 1 corresponding to the position of the first slot 12, and the first magnet 13 is inserted from the bottom to the top through the first mounting hole 10, and then the first hook 16 is engaged with the bottom of the first magnet 13, so as to achieve the engagement and fixation of the first magnet 13.

[0030] In this embodiment, the back of each second clamping slot 22 is hollowed out, and a second clamping hook 26 is protruding downward from the center of the bottom of the hollowed-out part, and each second clamping hook 26 is clamped to the top of the corresponding second magnet 23. The above-mentioned structure is arranged to facilitate the clamping and fixing of the second magnet 23. Specifically, a second mounting hole 20 connected to the second clamping slot 22 is provided at the bottom of the second driving disk 2 corresponding to the position of the second clamping slot 22, and the second magnet 23 is inserted from top to bottom through the second mounting hole 20, and then the second clamping hook 26 is clamped to the top of the second magnet 23, so as to realize the clamping and fixing of the second magnet 23.

[0031] In this embodiment, the other side of each of the first support blocks 11 is convexly provided with an outer arc surface structure 17, and the side of each of the second support blocks 21 is convexly provided with an inner arc surface structure 27. After the output shaft stops, the first magnet 13 and the second magnet 23 repel each other with the same poles, and the above-mentioned structure is arranged to facilitate the buffer protection of the first drive disk 1 and the second drive disk 2.

[0032] In this embodiment, the size of the first driving disk 1 is larger than that of the second driving disk 2. The above structure has a good transmission effect.

[0033] Depending on the magnitude of the transmission torque, the number of the first support block 11 and the second support block 21 can be one, two or more. In this embodiment, the number of the first support block 11 and the second support block 21 are both four, and the number of the corresponding first magnets 13 and the second magnets 23 are both four.

[0034] A motor transmission system, comprising a motor and the magnetic transmission structure described above. A first drive disc 1 is mounted on the output shaft of the motor and fixed by a first nut 15, and a second drive disc 2 is mounted on the drive shaft and fixed by a second nut 25. The first drive disc 1 is driven to rotate by the motor output shaft, so that the second drive disc 2 rotates, thereby driving the rotating member on the drive shaft to rotate. The rotating member can be a stirring member, a cutting member, a polishing member, a propeller, and the like.

[0035] A motor product, the motor product includes the motor transmission system described above. The motor product includes common power tools and small household appliances, etc. The power tools can be common power tools such as electric drills, electric grinders, electric sanders, electric wrenches, electric screwdrivers and electric saws, and can also be garden power tools such as lawn mowers, trimmers, grass trimmers and trimmers; the small household appliances can be kitchen appliances such as chef machines, noodle blenders, dough mixers and food processors, and can also be household appliances such as electric fans, vacuum cleaners and hair dryers. It should be pointed out that the multi-layer sound insulation structure of the motor of the utility model is applicable to all motor products containing motors. The partial applications mentioned in the implementation method are not limitations of the utility model. Any obvious replacement without departing from the concept of the utility model is within the protection scope of the utility model.

[0036] The motor transmission system and motor products of the utility model have low noise by adopting the magnetic transmission structure, and can also reduce the wear of transmission parts, extend the service life of transmission parts, and reduce the cost of using product accessories.

[0037] The above embodiments are preferred implementation schemes of the present invention. In addition, the present invention can also be implemented in other ways. Any obvious replacement without departing from the concept of the present invention is within the protection scope of the present invention.

Claims

1. A magnetic transmission structure, comprising a first drive disk and a second drive disk coaxially arranged opposite to each other, characterized in that: The top annular array of the first driving disk has multiple first support blocks, and the bottom annular array of the second driving disk has multiple second support blocks. The side surfaces of the multiple first support blocks are arranged opposite to the side surfaces of the multiple second support blocks. A first slot is opened on one side of each first support block, and a first magnet is embedded in each first slot. A second slot is opened on the other side of each second support block, and a second magnet is embedded in each second slot. Each first magnet has the same magnetic pole as the second magnet opposite to it.

2. A magnetic transmission structure according to claim 1, characterized in that: A first through hole for mounting the output shaft is axially opened in the center of the first driving disk, and a first nut for fixing the output shaft is embedded in the top of the first through hole.

3. A magnetic transmission structure according to claim 1, characterized in that: A second through hole for installing the driving shaft is axially opened in the center of the second driving disk, and a second nut for fixing the driving shaft is embedded in the bottom of the second through hole.

4. A magnetic transmission structure according to claim 1, characterized in that: The cross-sections of the first magnet and the second magnet are both isosceles trapezoidal, and the cross-sections of the first clamping slot and the second clamping slot are both isosceles trapezoidal.

5. A magnetic transmission structure according to claim 1, characterized in that: The back side of each of the first slots is hollowed out, and a first hook is protruding upward from the top center of the hollowed-out portion, and each first hook is engaged with the bottom of the corresponding first magnet.

6. A magnetic transmission structure according to claim 1, characterized in that: The back side of each of the second slots is hollowed out, and a second hook is protruding downward from the center of the bottom of the hollowed-out portion, and each second hook is engaged with the top of the corresponding second magnet.

7. A magnetic transmission structure according to claim 1, characterized in that: An outer arc surface structure is convexly provided on the other side of each of the first supporting blocks, and an inner arc surface structure is convexly provided on one side of each of the second supporting blocks.

8. The magnetic transmission structure according to claim 1, characterized in that: The size of the first driving plate is greater than that of the second driving plate.

9. A motor transmission system, characterized in that: The motor transmission system comprises a motor and the magnetic transmission structure according to any one of claims 1 to 8.

10. A motor product, characterized in that: The motor product includes the motor transmission system described in claim 9.

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