Direct drive motor drive connecting mechanism and cleaning robot

Abstract

The utility model relates to the technical field of robots, in particular to a direct drive motor drive connecting mechanism and a cleaning robot, which comprise a base, a rotating shaft assembly, a stator assembly, a rotor shell, a rotor assembly, a drive end cover, a drive connecting assembly and a heat dissipation end cover, the stator assembly is arranged outside the base, one end of the rotating shaft assembly is provided with a direction positioning piece, the driving end cover is provided with a direction positioning shaft sleeve, the direction positioning shaft sleeve is connected with the direction positioning piece, one end of the rotor shell is connected with the periphery of the driving end cover, and the other end of the rotor shell is connected with the heat dissipation end cover. The rotor assembly is arranged on the inner periphery of the rotor shell and is opposite to the stator assembly. According to the utility model, the stable connection among the components is realized. Therefore, it is ensured that the motor does not loosen or fall off during operation, and the reliability and safety of equipment are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of robots, in particular to a direct-drive motor drive connection mechanism and a cleaning robot. Background Art

[0002] A cleaning robot is an intelligent device that automatically performs various cleaning tasks, such as vacuuming, scrubbing, sweeping, and mopping. Equipped with various sensors and navigation technologies, the cleaning robot can autonomously sense and identify the environment, plan cleaning paths, and avoid obstacles. It can perform a variety of cleaning operations such as vacuuming, scrubbing, sweeping, and mopping to adapt to different floor types and levels of dirt.

[0003] The driving mechanism is the cleaning power output mechanism of the cleaning robot. The existing cleaning robot driving mechanism generally needs to output through a reducer and a motor. However, during the power output process, it is easy to loosen and fall off, affecting the stability of the equipment. Utility Model Content

[0004] To solve the above problems, the utility model realizes a stable connection between the components by connecting the direction positioning sleeve with the direction positioning member, and connecting the rotor housing with the drive end cover and the heat dissipation end cover. This helps to ensure that the motor will not loosen or fall off during operation, and improves the reliability and safety of the direct-drive motor drive connection mechanism and cleaning robot.

[0005] The technical solution adopted by the utility model is: a direct-drive motor drive connection mechanism, including a base, a rotating shaft assembly, a stator assembly, a rotor housing, a rotor assembly, a driving end cover, a driving connection assembly and a heat dissipation end cover, the base is provided with a placement cavity, the rotating shaft assembly is arranged in the placement cavity, the stator assembly is arranged outside the base, one end of the rotating shaft assembly is provided with a direction positioning piece, the driving end cover is provided with a direction positioning sleeve, the direction positioning sleeve is connected to the direction positioning piece, one end of the rotor housing is connected to the outer periphery of the driving end cover, and the other end is connected to the heat dissipation end cover, the rotor assembly is arranged on the inner periphery of the rotor housing and opposite to the stator assembly, the driving connection assembly includes a fixed sleeve and a positioning shaft, a driving positioning step is provided between the fixed sleeve and the positioning shaft, and one end of the fixed sleeve is installed on the driving end cover.

[0006] A further improvement to the above scheme is that a fixed step is provided at one end of the base that is away from the driving end cover, an end cover bearing is provided on the fixed step, and an end cover connecting ring is provided on the heat dissipation end cover, and the end cover connecting ring is rotatably provided on the end cover bearing.

[0007] A further improvement to the above solution is that a rotating bearing is provided in the placement cavity, the rotating shaft assembly is provided with a rotating shaft, and the rotating shaft is rotatably arranged on the rotating bearing.

[0008] A further improvement to the above solution is that one end of the rotating shaft assembly is provided with an assembly positioning ring, the direction positioning member is a polygonal structural member and is arranged on the assembly positioning ring, and the direction positioning shaft is provided with a direction positioning groove whose shape matches that of the direction positioning member.

[0009] A further improvement to the above solution is that an air inlet area is formed between the drive end cover and the stator assembly, an air exhaust area is formed between the heat dissipation end cover and the stator assembly, a exhaust fan blade is arranged in the drive end cover within the air inlet area, the stator assembly is provided with an air exhaust gap, the heat dissipation end cover is provided with an air exhaust groove, and when the drive end cover rotates, it blows air towards the air exhaust gap and discharges it through the air exhaust area and the air exhaust groove.

[0010] A further improvement to the above solution is that an air inlet groove is provided on the outer periphery of the drive end cover, one end of the air inlet groove communicates with the air inlet area, and a raised bevel is arranged on one side of the air inlet groove. When the drive end cover rotates, it guides air towards the air inlet area through the raised bevel.

[0011] A further improvement to the above solution is that the rotor assembly is provided with a rotor fixing member and rotor magnetic tiles, the rotor fixing member is provided with rotor slots, the rotor magnetic tiles are arranged in the rotor slots, one end of the rotor slots is provided with a clearance groove, and both ends of the clearance groove communicate with the air inlet area and the air exhaust area.

[0012] A further improvement to the above solution is that one end of the rotor housing is provided with an assembly step, and one end of the rotor fixing member is arranged on the assembly step.

[0013] A further improvement to the above solution is that the drive positioning step is a polygonal structural member, and the positioning shaft is arranged at one end of the drive positioning step for assembly positioning.

[0014] A cleaning robot includes the direct drive motor drive connection mechanism as described above, and the direct drive motor drive connection mechanism is used for connecting the cleaning drive components of the cleaning robot.

[0015] The beneficial effects of the present utility model are:

[0016] Compared with the existing motor drive connection mechanism of cleaning equipment, the direct drive motor connection is adopted in the utility model. Through the connection between the direction positioning bushing and the direction positioning part, and the connection between the rotor housing and the drive end cover and the heat dissipation end cover, stable connection between components is achieved. This helps to ensure that the motor will not loosen or fall off during operation, improving the reliability and safety of the equipment. Through the connection between the rotor housing and the heat dissipation end cover, combined with the design of the heat dissipation end cover, the heat generated during the operation of the motor can be effectively dissipated, reducing the temperature, thereby ensuring the stable operation of the motor. In addition, the heat dissipation end cover can also protect the internal components from overheating. The design of the fixed bushing, positioning shaft and drive positioning step in the drive connection assembly realizes the precise positioning and fixation of the rotor assembly, ensuring the stability and accuracy of the motor during operation. Through technical features such as stable connection, good heat dissipation design, precise drive positioning, compact and easy-to-maintain structure, and improved transmission efficiency, the utility model provides effective guarantee for the stable operation and long-term reliability of the motor.

[0017] A cleaning robot adopting the above-mentioned motor drive connection mechanism is specifically applicable to floor sweeping robots and floor washing robots, and has characteristics such as stable connection, good heat dissipation design, precise drive positioning, compact and easy-to-maintain structure, and improved transmission efficiency. Brief Description of the Drawings

[0018] Figure 1 is a three-dimensional schematic diagram of the direct drive motor drive connection mechanism of the utility model;

[0019] Figure 2 is Figure 1 the front view schematic diagram of the direct drive motor drive connection mechanism in

[0020] Figure 3 is Figure 2 the sectional view taken along A-A in

[0021] Figure 4 is Figure 1 the exploded schematic diagram of the direct drive motor drive connection mechanism in

[0022] Figure 5 is Figure 1 the exploded schematic diagram of the direct drive motor drive connection mechanism from another perspective in

[0023] Description of reference numerals: base 1, placement cavity 11, rotary bearing 111, fixed step 12, end cover bearing 121, rotating shaft assembly 2, direction positioning member 21, rotating shaft 22, assembly positioning ring 23, stator assembly 3, rotor housing 4, assembly step 41, rotor assembly 5, rotor fixing member 51, rotor slot 511, clearance slot 512, rotor magnetic tile 52, drive end cover 6, direction positioning bushing 61, air inlet area 62, exhaust fan blade 621, air inlet slot 63, raised bevel 631, drive connection assembly 7, fixed bushing 71, positioning shaft 72, drive positioning step 73, heat dissipation end cover 8, end cover connection ring 81, exhaust area 82, exhaust slot 83. Detailed implementation manners

[0024] To facilitate the understanding of the present invention, the present invention will be described more comprehensively below with reference to the relevant drawings. The preferred embodiments of the present invention are shown in the drawings. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the understanding of the disclosure of the present invention more thorough and comprehensive.

[0025] It should be noted that when an element is referred to as being "fixed to" another element, it can be directly on the other element or there may also be an intermediate element. When an element is considered to be "connected" to another element, it can be directly connected to the other element or there may be an intermediate element at the same time.

[0026] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those of ordinary skill in the technical field to which the present invention belongs. The terms used in the description of the present invention in this specification are only for the purpose of describing specific embodiments and are not intended to limit the present invention. As Figures 1 to 5As shown in the figure, in an embodiment of the present utility model, a direct drive motor drive connection mechanism is involved, which includes a base 1, a rotating shaft assembly 2, a stator assembly 3, a rotor housing 4, a rotor assembly 5, a drive end cover 6, a drive connection assembly 7, and a heat dissipation end cover 8. The base 1 is provided with an accommodation cavity 11. The rotating shaft assembly 2 is arranged in the accommodation cavity 11. The stator assembly 3 is arranged outside the base 1. One end of the rotating shaft assembly 2 is provided with a direction positioning member 21. The drive end cover 6 is provided with a direction positioning shaft sleeve 61. The direction positioning shaft sleeve 61 is connected to the direction positioning member 21. One end of the rotor housing 4 is connected to the outer periphery of the drive end cover 6, and the other end is connected to the heat dissipation end cover 8. The rotor assembly 5 is arranged on the inner periphery of the rotor housing 4 and is opposite to the stator assembly 3. The drive connection assembly 7 includes a fixed shaft sleeve 71 and a positioning shaft 72. A drive positioning step 73 is arranged between the fixed shaft sleeve 71 and the positioning shaft 72. One end of the fixed shaft sleeve 71 is installed on the drive end cover 6. This embodiment adopts direct drive motor connection and drive. Through the connection between the direction positioning shaft sleeve 61 and the direction positioning member 21, and the connection between the rotor housing 4, the drive end cover 6, and the heat dissipation end cover 8, stable connection between each component is achieved. This helps to ensure that the motor will not loosen or fall off during operation, improving the reliability and safety of the equipment. Through the connection between the rotor housing 4 and the heat dissipation end cover 8, combined with the design of the heat dissipation end cover 8, the heat generated during the operation of the motor can be effectively dissipated, reducing the temperature, thereby ensuring the stable operation of the motor. In addition, the heat dissipation end cover 8 can also protect the internal components from overheating. The design of the fixed shaft sleeve 71, the positioning shaft 72, and the drive positioning step 73 in the drive connection assembly 7 realizes the precise positioning and fixation of the rotor assembly 5, ensuring the stability and accuracy of the motor during operation. The present utility model provides effective guarantee for the stable operation and long-term reliability of the motor through technical features such as stable connection, good heat dissipation design, precise drive positioning, compact and easy-to-maintain structure, and improved transmission efficiency.

[0027] The end of the base 1 that is away from the driving end cover 6 is provided with a fixed step 12, and the end cover bearing 121 is provided on the fixed step 12, and the heat dissipation end cover 8 is provided with an end cover connecting ring 81, and the end cover connecting ring 81 is rotatably provided on the end cover bearing 121. In this embodiment, by providing a fixed step 12 at the end of the base 1 that is away from the driving end cover 6, and providing an end cover bearing 121 thereon, and providing the heat dissipation end cover 8 with an end cover connecting ring 81 that is rotatably provided on the end cover bearing 121, the heat dissipation end cover 8 is stably supported and rotated. Such a design helps to ensure the stability and flexibility of the heat dissipation end cover 8, and improves the stable operation of the entire motor system. The rotation of the heat dissipation end cover 8 is provided on the end cover bearing 121, so that the heat dissipation end cover 8 can be rotated as needed, thereby changing the heat dissipation direction of the heat dissipation end cover 8, further improving the heat dissipation efficiency, effectively reducing the temperature of the motor when working, and ensuring the long-term stable operation of the motor.

[0028] A rotating bearing 111 is arranged in the placement cavity 11, and the rotating shaft assembly 2 is provided with a rotating shaft 22, and the rotating shaft 22 is rotatably arranged on the rotating bearing 111. Specifically, an assembly positioning ring 23 is arranged at one end of the rotating shaft assembly 2, and the direction positioning member 21 is a polygonal structural member and is arranged on the assembly positioning ring 23, and the direction positioning shaft 72 is provided with a direction positioning groove whose shape matches the direction positioning member 21. In this embodiment, by arranging the rotating bearing 111 in the placement cavity 11 and rotatably arranging the rotating shaft 22 of the rotating shaft assembly 2 on the rotating bearing 111, a stable support and effective rotation transmission of the rotating shaft are achieved. Such a design helps to ensure the stability and reliability of the rotating shaft during operation. An assembly positioning ring 23 is arranged at one end of the rotating shaft assembly 2, and the direction positioning member 21 is arranged as a polygonal structural member, and the direction positioning shaft 72 is provided with a direction positioning groove whose shape matches the direction positioning member 21, which can achieve accurate assembly and positioning of the rotating shaft assembly 2. This helps to ensure the correct assembly and alignment between the various components, and improves the accuracy and stability of the entire motor system.

[0029] An air inlet area 62 is formed between the drive end cover 6 and the stator assembly 3, and an air exhaust area 82 is formed between the heat dissipation end cover 8 and the stator assembly 3. An exhaust fan blade 621 is arranged in the drive end cover 6 within the air inlet area 62. The stator assembly 3 is provided with an air exhaust gap, and the heat dissipation end cover 8 is provided with an air exhaust groove 83. When the drive end cover 6 rotates, it blows air towards the air exhaust gap and discharges it through the air exhaust area 82 and the air exhaust groove 83. Specifically, an air inlet groove 63 is arranged on the outer periphery of the drive end cover 6. One end of the air inlet groove 63 communicates with the air inlet area 62, and a convex bevel 631 is arranged on one side of the air inlet groove 63. When the drive end cover 6 rotates, it guides air towards the air inlet area 62 through the convex bevel 631. The rotor assembly 5 is provided with a rotor fixing member 51 and rotor magnetic tiles 52. A rotor groove 511 is arranged on the rotor fixing member 51, and the rotor magnetic tiles 52 are arranged in the rotor groove 511. A clearance groove 512 is arranged at one end of the rotor groove 511, and both ends of the clearance groove 512 communicate with the air inlet area 62 and the air exhaust area 82. In this embodiment, through the air inlet area 62 formed by the drive end cover 6 and the stator assembly 3 and the air exhaust area 82 formed by the heat dissipation end cover 8 and the stator assembly 3, combined with the exhaust fan blade 621 at the drive end cover 6 and the air exhaust gap of the stator assembly 3, an efficient heat dissipation system is realized. Such a design helps to effectively reduce the temperature of the motor during operation, improve the heat dissipation efficiency, and ensure the long-term stable operation of the motor. Through the air inlet groove 63 and the convex bevel 631 arranged on the outer periphery of the drive end cover 6, and the rotor groove 511 and the clearance groove 512 arranged on the rotor fixing member 51, an accurate air flow guiding design can be realized. This helps to ensure that the wind energy flows correctly to the heat dissipation area and effectively improves the heat dissipation effect. Through the arrangement of the air exhaust area 82 and the air exhaust groove 83, the heat generated inside the motor is discharged in a timely and effective manner, thereby reducing the working temperature of the motor and extending the service life of the motor.

[0030] An assembly step 41 is arranged at one end of the rotor housing 4, and one end of the rotor fixing member 51 is arranged on the assembly step 41. In this embodiment, by arranging the assembly step 41 at one end of the rotor housing 4 and making one end of the rotor fixing member 51 arranged on the assembly step 41, the firm fixation of the rotor fixing member 51 is realized. Such a design helps to ensure the firm and reliable connection between the rotor fixing member 51 and the rotor housing 4, and improves the stability and safety of the motor system. Through the arrangement of the assembly step 41, the accurate positioning of the rotor fixing member 51 during assembly can be realized, ensuring the correct assembly and alignment between the rotor fixing member 51 and the rotor housing 4, and improving the accuracy and stability of the entire motor system.

[0031] The driving positioning step 73 is a polygonal structural member, and the positioning shaft 72 is arranged at one end of the driving positioning step 73 for assembly positioning. In this embodiment, by making the driving positioning step 73 a polygonal structural member and arranging the positioning shaft 72 at one end thereof for assembly positioning, accurate assembly positioning can be achieved. This helps to ensure the correct positioning and alignment of the driving component during assembly, improving the accuracy and stability of the entire driving connection mechanism. The design of the polygonal structural member makes the driving positioning step 73 have strong stability and reliability, and can effectively withstand the pressure and vibration during the assembly process, ensuring the stable connection and working safety of the driving component.

[0032] A cleaning robot adopting the above motor driving connection mechanism is specifically applicable to a floor sweeping robot and a floor washing robot, and has the characteristics of stable connection, good heat dissipation design, accurate driving positioning, a compact and easy-to-maintain structure, and improved transmission efficiency.

[0033] The above embodiments only represent several implementation manners of the present utility model, and the description thereof is relatively specific and detailed, but it should not be construed as a limitation to the scope of the patent of the present utility model. It should be noted that for those of ordinary skill in the art, without departing from the concept of the present utility model, several deformations and improvements can still be made, and these all belong to the protection scope of the present utility model. Therefore, the protection scope of the patent of the present utility model shall be subject to the appended claims.

Claims

1. A direct drive motor drive connection mechanism, characterized in that: It includes a base, a rotating shaft assembly, a stator assembly, a rotor housing, a rotor assembly, a driving end cover, a driving connection assembly and a heat dissipation end cover, the base is provided with a placement cavity, the rotating shaft assembly is arranged in the placement cavity, the stator assembly is arranged outside the base, one end of the rotating shaft assembly is provided with a direction positioning piece, the driving end cover is provided with a direction positioning sleeve, the direction positioning sleeve is connected to the direction positioning piece, one end of the rotor housing is connected to the outer periphery of the driving end cover, and the other end is connected to the heat dissipation end cover, the rotor assembly is arranged on the inner periphery of the rotor housing and opposite to the stator assembly, the driving connection assembly includes a fixed sleeve and a positioning shaft, a driving positioning step is provided between the fixed sleeve and the positioning shaft, and one end of the fixed sleeve is installed on the driving end cover.

2. The direct-drive motor drive connection mechanism according to claim 1, wherein: A fixed step is arranged at one end of the base which is away from the driving end cover, an end cover bearing is arranged on the fixed step, and an end cover connecting ring is arranged on the heat dissipation end cover, and the end cover connecting ring is rotatably arranged on the end cover bearing.

3. The direct-drive motor drive connection mechanism according to claim 1, characterized in that: A rotary bearing is arranged in the placement cavity, and a rotary shaft assembly is provided with a rotary shaft, and the rotary shaft is rotatably arranged on the rotary bearing.

4. The direct-drive motor drive connection mechanism according to claim 1, wherein: An assembly positioning ring is arranged at one end of the rotating shaft assembly. The direction positioning member is a polygonal structural member and is arranged on the assembly positioning ring. The direction positioning shaft is provided with a direction positioning groove whose shape matches that of the direction positioning member.

5. The direct drive motor drive connection mechanism according to claim 1, wherein: An air inlet area is formed between the driving end cover and the stator assembly, an air exhaust area is formed between the heat dissipation end cover and the stator assembly, the driving end cover is provided with exhaust fan blades in the air inlet area, the stator assembly is provided with an air exhaust gap, and the heat dissipation end cover is provided with an air exhaust slot. When the driving end cover rotates, air is blown toward the air exhaust gap and discharged through the air exhaust area and the air exhaust slot.

6. The direct-drive motor drive connection mechanism according to claim 5, characterized in that: An air inlet groove is arranged on the periphery of the driving end cover, one end of the air inlet groove is connected to the air inlet area, a raised bevel is arranged on one side of the air inlet groove, and when the driving end cover rotates, the air is guided toward the air inlet area through the raised bevel.

7. The direct-drive motor drive connection mechanism according to claim 6, characterized in that: The rotor assembly is provided with a rotor fixing part and a rotor magnetic shoe. The rotor fixing part is provided with a rotor slot. The rotor magnetic shoe is arranged in the rotor slot. A gap slot is provided at one end of the rotor slot. Both ends of the gap slot are connected to an air inlet area and an air exhaust area.

8. The direct-drive motor drive connection mechanism according to claim 7, wherein: One end of the rotor housing is provided with an assembly step, and one end of the rotor fixing member is provided on the assembly step.

9. The direct drive motor drive connection mechanism according to claim 1, characterized in that: The driving positioning step is a polygonal structural member, and the positioning shaft is arranged at one end of the driving positioning step for assembly positioning.

10. A cleaning robot, characterized in that: It comprises the direct drive motor driving connection mechanism as described in any one of claims 1 to 9, and the direct drive motor driving connection mechanism is used for connecting the cleaning drive components of the cleaning robot.

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