Device for implementing multiple actions with a single motor

Abstract

The present invention discloses a device that uses a single motor to achieve multiple actions. The device includes a swing arm gearbox, a clutch gear set, a drive motor, and a follower gear set. The swing arm gearbox is equipped with a working gear and an arc gear. The upper gear of the clutch gear set is connected to the working gear through a functional gear. The upper gear and the lower gear are arranged on the same rotating shaft. The lower gear meshes with the arc gear. The upper gear has a slot formed on the side, and the lower gear has a guide channel. Part of the structure of the ball is located in the slot, and the other part is located in the guide channel. An elastic member is provided in the guide channel and connected to the ball. The follower gear set is installed on the motor shaft. When the motor shaft reverses, if the swing arm gearbox is restricted from swinging, the ball can be disengaged from the slot, allowing the upper gear to continue rotating. The technical solution of the present invention uses a single motor to perform additional swing arm actions while achieving the main working function. When encountering an obstacle, the swing arm can automatically stop without affecting the main working output.

Description

Technical Field

[0001] The present invention relates to the technical field of gear transmission, and particularly to a device for realizing multiple actions by a single motor. Background Art

[0002] In the field of mechanical automation, the motor, as a commonly used power source, is widely used to drive mechanical components to perform specific actions. For example, in a floor washer, the motor can drive a cleaning member to rotate to achieve the function of cleaning the ground. However, in some application scenarios, a single action often fails to meet complex working requirements. Taking the floor washer as an example, due to its circular design of the peripheral wall, it is difficult to effectively clean the corner area. Therefore, in addition to keeping the cleaning member rotating continuously, an additional swing arm action is required to swing the cleaning member to the corner for cleaning, so as to improve the cleaning efficiency and coverage.

[0003] In response to the above requirements, some solutions for realizing multiple actions by a single motor have emerged in the prior art. These solutions generally include a swing arm gearbox, a working gear set arranged on the swing arm gearbox (the working gear set is connected to the cleaning member and used to drive the cleaning member to rotate), and an arc gear located on the outer peripheral wall of the swing arm gearbox. Its working principle is as follows: when the motor rotates forward, through the first functional gear set being in transmission connection with the working gear set, the continuous output of the cleaning function is realized; when the motor rotates in reverse, through the second functional gear set being in transmission connection with the working gear and the arc gear of the swing arm gearbox at the same time, the swing arm gearbox is driven to swing while the cleaning member rotates. However, this design has two potential problems when the swing arm action encounters an obstacle: firstly, the obstacle may be forced to move, resulting in damage to the device or the environment; secondly, the second gear set may be forced to stop rotating, affecting the continuous output of the cleaning function. Therefore, there is an urgent need for an optimized design that can automatically stop the swing arm action when encountering an obstacle while ensuring that the main cleaning function is not affected. Summary of the Invention

[0004] The main object of the present invention is to solve the technical problem that in the prior art, when using a single motor to simultaneously realize the main working function and perform an additional swing arm action, when encountering an obstacle, the swing arm cannot be automatically stopped without affecting the main working output.

[0005] In a first aspect of the present invention, a device for realizing multiple actions by a single motor is provided. The device for realizing multiple actions by a single motor includes a swing arm gearbox, a clutch gear set, a driving motor, and a follower gear set;

[0006] A rotatable working gear is provided on the swing arm gearbox, and an arc gear is formed on the outer peripheral wall of the swing arm gearbox;

[0007] The clutch gear set includes an upper gear, a lower gear, a functional gear, an elastic member, and a sphere. The upper gear is drivingly connected to the working gear through the functional gear. The upper gear and the lower gear are arranged coaxially. The lower gear meshes with the arc-shaped gear. A card slot is formed on the side of the upper gear close to the lower gear. The lower gear is formed with a guiding channel corresponding to the card slot. Part of the structure of the sphere is located in the card slot, and another part of the structure of the sphere is located in the guiding channel. The elastic member is arranged in the guiding channel and abuts against the sphere, and is used to drive the sphere to move in a direction close to the upper gear;

[0008] The driving motor has a motor shaft;

[0009] The follower gear set is arranged on the motor shaft. When the motor shaft rotates forward, the follower gear set can move to a position meshing with the working gear. When the motor shaft rotates reversely, the follower gear set can move to a position meshing with the upper gear; wherein,

[0010] When the motor shaft rotates reversely, if the swing of the swing arm gearbox is restricted, the sphere can be disengaged from the card slot so that the upper gear can continue to rotate.

[0011] Optionally, the guiding channel has an outlet for the sphere to protrude. The outlet is circular, and the diameter of the outlet is smaller than the diameter of the sphere;

[0012] The center of the sphere is always located in the guiding channel.

[0013] Optionally, the surface of the slot wall of the card slot is a concave arc surface.

[0014] Optionally, a slot is formed on the side of the upper gear close to the lower gear, and the card slot is arranged on the bottom wall of the slot;

[0015] The lower gear includes a gear body and a plug post arranged on the side of the gear body close to the upper gear. The gear body meshes with the arc-shaped gear. The free end of the plug post extends into the slot and is spaced from the bottom wall of the slot. The guiding channel extends from the gear body to the free end of the plug post.

[0016] Optionally, a plurality of the card slots are formed on the bottom wall of the slot;

[0017] The number of the guiding channels, the number of the spheres, and the number of the elastic members are the same as the number of the card slots and correspond one by one.

[0018] Optionally, a plurality of the card slots are arranged in an annular shape around the axis of the upper gear.

[0019] Optionally, the follower gear set includes a sheet body, a driving gear, and a driven gear. The motor shaft rotatably passes through the sheet body. The driving gear and the driven gear are engaged with each other. The driving gear is fixed on the motor shaft, and the driven gear is rotatably arranged on the sheet body;

[0020] When the motor shaft rotates forward, the driven gear moves to a position engaged with the working gear. When the motor shaft rotates reversely, the driven gear moves to a position engaged with the upper layer gear.

[0021] Optionally, the device for the single motor to achieve multiple actions includes a clutch gearbox. The upper layer gear, the lower layer gear, the functional gear, and the follower gear set are all arranged in the clutch gearbox. The driving motor is arranged outside the clutch gearbox. The motor shaft passes through the wall of the clutch gearbox to be in transmission connection with the follower gear set;

[0022] An arc-shaped notch is provided on the peripheral wall of the clutch gearbox. The structure of the arc-shaped gear and the working gear on the swing arm gearbox extends into the clutch gearbox through the arc-shaped notch. The swing distance of the swing arm gearbox is less than the length of the arc-shaped notch.

[0023] Optionally, a dust-proof structure is further provided on the clutch gearbox. The dust-proof structure is used to cover the gap between the peripheral wall of the arc-shaped notch and the outer surface of the swing arm gearbox.

[0024] Optionally, the box body of the swing arm gearbox has a first side wall connected to one end of the arc-shaped gear and a second side wall connected to the other end of the arc-shaped gear. The first side wall is provided with a protruding first abutting member, and the second side wall is provided with a protruding second abutting member. Both the first abutting member and the second abutting member are used to abut against the clutch gearbox during the swinging process of the swing arm gearbox to limit the swinging amplitude of the swing arm gearbox.

[0025] The technical solution provided by the embodiment of the present application has at least the following advantages:

[0026] Normal working state (motor rotates forward): The driving motor directly drives the working gear to rotate through the follower gear set to realize the rotary cleaning of the cleaning member. At the same time, the working gear drives the functional gear to rotate, and then drives the upper layer gear to rotate. The upper layer gear abuts against the sphere through its card slot. The sphere and the guiding channel of the lower layer gear are mutually limited, so as to drive the lower layer gear to rotate synchronously. The lower layer gear then drives the arc-shaped gear, so that the swing arm gearbox swings in the direction opposite to the rotation direction of the motor shaft (in the reverse direction), and swings the cleaning member to the bottom of the machine body.

[0027] In other operating modes (motor reverse), the drive motor rotates the upper gear via the follower gear set. The upper gear drives the functional gear, which in turn drives the working gear, maintaining the cleaning element's rotary cleaning function. Simultaneously, the upper gear, through the connection between the ball and the slot, drives the lower gear, which in turn drives the curved gear, causing the swing arm gearbox to swing in the direction opposite to the motor shaft (forward), swinging the cleaning element outward from the side of the machine body to clean corners.

[0028] Obstacle protection: Regardless of operating mode, if the swing arm gearbox encounters an obstacle, resistance is transmitted through the curved gear to the lower gear, and then to the ball. When the resistance exceeds the elastic force provided by the elastic member, the ball will disengage from the slot in the upper gear. This allows the upper gear to rotate unimpeded, while the lower gear stops rotating, and the swing arm gearbox immediately stops swinging.

[0029] Furthermore, when the swing arm gearbox encounters an obstacle, the upper gear continues to rotate while the lower gear stops, causing the ball to repeatedly enter and exit the slot. This cycle produces a distinct clicking sound. This audible mechanism cleverly serves as a reminder, alerting the user to an obstacle during swinging, prompting them to check and remove it to restore normal operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying any creative work.

[0031] Figure 1 This is a schematic structural diagram of an embodiment of a device for realizing multiple actions with a single motor according to the present invention;

[0032] Figure 2 for Figure 1 The schematic diagram of the structure after the dustproof structure is omitted;

[0033] Figure 3 for Figure 2 Schematic diagram of the structure after omitting some structures (the drive motor rotates forward at this time);

[0034] Figure 4 for Figure 3 The schematic diagram of the structure when some structures are omitted and the motor is reversed;

[0035] Figure 5 for Figure 1 A cross-sectional view after omitting some structures;

[0036] Figure 6 is Figure 5 The partial enlarged view at position A in

[0037] Figure 7 is Figure 5 The exploded view after omitting some structures.

[0038] Explanation of the reference numerals in the drawings:

[0039] 1. Swing arm gearbox; 11. Arc-shaped gear; 12. First side wall; 13. Second side wall; 2. Working gear; 3. Clutch gear set; 31. Upper layer gear; 311. Card slot; 312. Insert slot; 32. Lower layer gear; 321. Guide channel; 322. Outlet; 323. Gear body; 324. Insert post; 33. Functional gear; 34. Elastic member; 35. Sphere; 4. Driving motor; 41. Motor shaft; 5. Follow-up gear set; 51. Sheet body; 52. Driving gear; 53. Driven gear; 6. Clutch gearbox; 61. Arc-shaped notch; 7. Dust-proof structure.

[0040] The realization of the object, functional features and advantages of the present invention will be further described with reference to the embodiments and the accompanying drawings. Detailed implementation manners

[0041] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0042] It should be noted that if there are directional indications (such as up, down, left, right, front, back,...) involved in the embodiments of the present invention, the directional indications are only used to explain the relative position relationship and movement conditions between components in a specific posture (as shown in the drawings). If the specific posture changes, the directional indications will also change accordingly. <00>

[0043] In addition, the descriptions of "first", "second", etc. in the present invention are only for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, "and / or" in the full text includes three solutions. Taking A and / or B as an example, it includes technical solution A, technical solution B, and technical solution that satisfies both A and B. In addition, the technical solutions between the various embodiments can be combined with each other, and must be based on the ability of ordinary technicians in this field to implement. When the combination of technical solutions is mutually contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

[0044] The present invention provides a device for realizing multiple actions with a single motor.

[0045] In the embodiment of the present invention, Figures 1 to 7 As shown, the device for realizing multiple actions by a single motor includes

[0046] It includes a swing arm gearbox 1, a clutch gear set 3, a drive motor 4 and a follower gear set 5;

[0047] The swing arm gear box 1 is provided with a rotatable working gear 2, and an arc-shaped gear 11 is formed on the outer peripheral wall of the swing arm gear box 1;

[0048] The clutch gear set 3 includes an upper gear 31, a lower gear 32, a functional gear 33, an elastic member 34 and a ball 35. The upper gear 31 is transmission-connected to the working gear 2 via the functional gear 33. The upper gear 31 and the lower gear 32 are coaxially arranged. The lower gear 32 meshes with the arc gear 11. A slot 311 is formed on the side of the upper gear 31 close to the lower gear 32. A guide channel 321 corresponding to the slot 311 is formed on the lower gear 32. Part of the structure of the ball 35 is located in the slot 311, and another part of the structure of the ball 35 is located in the guide channel 321. The elastic member 34 is arranged in the guide channel 321 and connected to the ball 35, so as to drive the ball 35 to move in a direction close to the upper gear 31.

[0049] The driving motor 4 has a motor shaft 41;

[0050] The follower gear set 5 is provided on the motor shaft 41. When the motor shaft 41 rotates forward, the follower gear set 5 can move to a position meshing with the working gear 2. When the motor shaft 41 rotates reversely, the follower gear set 5 can move to a position meshing with the upper gear 31.

[0051] When the motor shaft 41 rotates in the reverse direction, if the swing of the swing arm gearbox 1 is restricted, the sphere 35 can be disengaged from the card slot 311 so that the upper layer gear 31 can continue to rotate.

[0052] Specifically, the elastic member 34 can be a compression spring, a torsion spring, a rubber block, or other elastic structures. The arc-shaped gear 11 is a gear structure in the shape of an arc.

[0053] Specifically, the operation process of the device that realizes multiple actions with a single motor can be divided into two main stages:

[0054] Motor forward rotation stage: The driving motor 4 directly drives the working gear 2 to rotate through the follower gear set 5 to realize the main cleaning function. At the same time, the working gear 2 drives the functional gear 33 and the upper layer gear 31 to rotate. The upper layer gear 31 drives the lower layer gear 32 to rotate synchronously through the cooperation of the card slot 311 and the sphere 35, and then drives the arc-shaped gear 11 to swing the swing arm gearbox 1 towards the bottom of the body (referring to the body of the cleaning robot).

[0055] Motor reverse rotation stage: The driving motor 4 drives the upper layer gear 31 to rotate through the follower gear set 5. The upper layer gear 31 drives the working gear 2 to rotate through the functional gear 33 to maintain the cleaning function. At the same time, the upper layer gear 31 drives the lower layer gear 32 to rotate through the connection between the sphere 35 and the card slot 311, drives the arc-shaped gear 11, and swings the swing arm gearbox 1 towards the outside of the body circumference to realize corner cleaning.

[0056] The technical solution of the present application has many advantages. First of all, this design realizes multi-functional integration, and completes cleaning and two swing arm effects through the forward and reverse rotation of a single motor, significantly simplifying the device structure and reducing energy consumption and costs. Compared with the design using multiple motors, this solution can reduce costs and energy consumption. Secondly, the device has an intelligent self-protection function. When the swing arm gearbox 1 encounters an obstacle, the mechanism that the sphere 35 disengages from the card slot 311 of the upper layer gear 31 effectively avoids continuous pushing against the obstacle, reduces the risk of damage to the device and the environment, and at the same time ensures that the main cleaning function is not affected, improving the working efficiency of the device. In the traditional design, encountering an obstacle may cause the entire system to stop, while this design can keep at least some functions running normally. In addition, the device also has an automatic recovery function. After the obstacle is removed, the design that the elastic member 34 pushes the sphere 35 back into the card slot 311 enhances the adaptability of the device, reduces the need for manual intervention, and can save operation time compared with the system that requires manual reset. The present application also innovatively adopts a mechanical sound reminder mechanism. The sound generated by the sphere 35 repeatedly entering and exiting the card slot 311 when encountering an obstacle provides a simple and effective warning method for the device.

[0057] Optionally, the guiding channel 321 has an outlet 322 for the sphere 35 to protrude. The outlet 322 is circular, and the diameter of the outlet 322 is smaller than the diameter of the sphere 35;

[0058] The center of the sphere 35 is always located within the guiding channel 321.

[0059] Specifically, "the center of the sphere 35 is always located within the guiding channel 321" means that no matter how the sphere 35 moves, its geometric center will not exceed the scope of the guiding channel 321.

[0060] The main purpose of this structural design is to prevent the sphere 35 from separating from the lower gear 32. By restricting the movement range of the sphere 35, it is ensured that the sphere 35 is always connected to the lower gear 32, and even when the sphere 35 disengages from the card slot 311 of the upper gear 31, it will not completely separate from the lower gear 32. This design greatly improves the reliability and safety of the device, preventing the sphere 35 from accidentally falling off or getting lost during operation. At the same time, it also ensures that the sphere 35 can quickly re-engage with the card slot 311 of the upper gear 31 when needed, realizing the reliability and rapid responsiveness of the clutch function.

[0061] It should be noted that the design of this application is not limited to this. In other embodiments, the diameter of the outlet 322 can also be equal to or greater than the diameter of the sphere 35. During the installation process, it is only necessary to limit the distance between the upper gear 31 and the lower gear 32 in the axial direction of the rotating shaft to prevent the distance between the upper gear 31 and the lower gear 32 from being too large, resulting in the sphere 35 disengaging from between the upper gear 31 and the lower gear 32.

[0062] Optionally, the inner wall surface of the card slot 311 is a concave arc surface. This concave arc surface can be a spherical surface or a conical surface.

[0063] It is not difficult to understand that the design of the inner wall surface of the card slot 311 being an arc surface increases the contact area between the sphere 35 and the inner wall of the card slot 311, improves the force transmission efficiency, and makes the connection between the upper gear 31 and the lower gear 32 more stable and reliable. Secondly, the arc design reduces stress concentration, reduces the wear of the sphere 35 and the inner wall of the card slot 311 during operation, and extends the service life of the components. Finally, the concave arc surface is also beneficial for the sphere 35 to disengage from the card slot 311 more smoothly when needed, improving the response speed and reliability of the clutch gear set 3.

[0064] Optionally, a slot 312 is formed on the side of the upper gear 31 close to the lower gear 32, and the card slot 311 is provided on the bottom wall of the slot 312;

[0065] The lower gear 32 includes a gear body 323 and a plug post 324 provided on a side portion of the gear body 323 close to the upper gear 31. The gear body 323 meshes with the arc gear 11. The free end of the plug post 324 extends into the slot 312 and is spaced from the bottom of the slot 312. The guiding channel 321 extends from the gear body 323 to the free end of the plug post 324.

[0066] Specifically, the slot 312 formed on the upper gear 31 and the plug post 324 on the lower gear 32 constitute a special mating structure. This design increases the connection stability between the upper and lower gears 32 while retaining their relative rotational ability. Compared with simple axial stacking, this slot 312 - plug post 324 structure can better resist radial forces, reduce the wobbling between gears, thereby improving the accuracy and reliability of transmission. During high-speed operation, the traditional axial stacking design may cause obvious radial offsets between gears, while with the structure of this embodiment, such offsets can be significantly reduced, improving the overall operating stability.

[0067] Furthermore, the design of the guiding channel 321 extending from the gear body 323 to the free end of the plug post 324 significantly increases the movement space of the sphere 35. This extended guiding channel 321 not only provides a longer stroke for the sphere 35 but also increases the effective length of the elastic member 34. Compared with the traditional design limited to the thickness of the gear body 323, this solution can greatly increase the stroke of the sphere 35. A longer stroke means that the system can cope with a wider range of obstacles, improving the adaptability and safety of the device. At the same time, the longer effective length of the elastic member 34 can provide a more stable elastic force, making the clutch process smoother and more controllable.

[0068] Finally, the spaced arrangement of the plug post 324 from the bottom of the slot 312 creates a closed space, which can effectively prevent dust and impurities from entering the working areas of the sphere 35 and the card slot 311. In the application environment of cleaning equipment, this dust-proof design is particularly important. Compared with the open design, this solution can significantly reduce the dust accumulation in the working area, extend the service life of components, and reduce the maintenance frequency. In the same working environment, after adopting this design, the maintenance interval can be significantly extended, reducing the equipment downtime and maintenance costs.

[0069] Optionally, a plurality of the card slots 311 are formed on the bottom wall of the slot 312;

[0070] The number of the guiding channels 321, the number of the spheres 35, and the number of the elastic members 34 are the same as the number of the card slots 311 and correspond one by one.

[0071] Specifically, in this embodiment, when the number of the card slots 311 is 3, the number of the guiding channels 321, the spheres 35 and the elastic members 34 is also 3; when the number of the card slots 311 is 4, the number of the guiding channels 321, the spheres 35 and the elastic members 34 is also 4. One elastic member 34 is arranged in one guiding channel 321. When the swing arm gearbox 1 does not encounter an obstacle, one sphere 35 is stuck in one card slot 311 and abuts against one elastic member 34.

[0072] A plurality of card slots 311 are arranged on the bottom wall of the slot 312 instead of a single card slot 311. This design significantly increases the connection points between the upper and lower gears 32. The multi-point connection structure can more evenly disperse the forces generated during the transmission process, effectively reducing the stress borne by a single point. Through the dispersion of forces, local wear can be reduced, and the service life of the gear assembly can be extended. For example, if obvious wear may occur in the single-point connection design after long-term use, the multi-point connection design can disperse this wear to multiple points, and the wear degree of each point will be correspondingly reduced.

[0073] Secondly, the number of the guiding channels 321, the spheres 35 and the elastic members 34 is the same as and corresponds one-to-one with the number of the card slots 311. This design ensures the balance of the transmission system. Each group of card slots 311, guiding channels 321, spheres 35 and elastic members 34 forms an independent transmission unit. Multiple units working simultaneously can provide a more stable and reliable transmission effect. Compared with single-point transmission, multi-point transmission can effectively reduce the jitter and vibration during the transmission process, improving the running smoothness of the entire system. This is particularly important for cleaning equipment that requires precise control, and can improve the consistency of the cleaning effect.

[0074] Furthermore, the multi-point transmission structure enhances the redundancy and fault tolerance of the system. During actual use, if a certain transmission unit fails or its performance deteriorates, the other normally working units can still ensure the basic functions of the system. This design greatly improves the reliability and continuous working ability of the device. Compared with single-point transmission, even when some components have problems, multi-point transmission can still maintain a certain degree of normal operation, reducing the risk of the entire system being paralyzed due to a single-point failure.

[0075] Optionally, the plurality of card slots 311 are arranged in an annular shape around the rotation axis of the upper gear 31.

[0076] It is not difficult to understand that the annular arrangement design achieves a uniform distribution of force. When the upper gear 31 rotates, the forces acting on each card slot 311 will be evenly distributed along the circumference. This uniform distribution greatly reduces the problem of local stress concentration, effectively reducing the risk of gear deformation and wear. Compared with non-annular distributions, such as random or linear distributions, the annular arrangement can better balance the forces on the entire system and extend the service life of the gear. For example, in the case of long-term high-speed operation, the annular arrangement can significantly reduce the uneven wear of the gear and maintain the stability of the transmission efficiency.

[0077] Secondly, the annular arrangement improves the dynamic balance of the system. Since the card slots 311 are evenly distributed on the circumference, the system can maintain good balance regardless of the rotational position of the gear. This balance is crucial for reducing vibration and noise, especially during high-speed operation. Compared with non-uniform distributions, the annular arrangement can significantly reduce the vibration amplitude during equipment operation, improve the stability of the cleaning effect, and at the same time reduce unnecessary impacts on other components, extending the service life of the entire equipment.

[0078] Optionally, the follower gear set 5 includes a sheet body 51, a driving gear 52, and a driven gear 53. The motor shaft 41 rotatably passes through the sheet body 51. The driving gear 52 and the driven gear 53 are engaged. The driving gear 52 is fixed to the motor shaft 41, and the driven gear 53 is rotatably provided on the sheet body 51;

[0079] When the motor shaft 41 rotates forward, the driven gear 53 moves to a position engaged with the working gear 2. When the motor shaft 41 rotates in reverse, the driven gear 53 moves to a position engaged with the upper gear 31.

[0080] Specifically, when the motor shaft 41 rotates forward (assuming forward rotation is clockwise), the working process is as follows:

[0081] 1. The motor shaft 41 drives the driving gear 52 to rotate clockwise.

[0082] 2. The driving gear 52 drives the driven gear 53 to rotate counterclockwise.

[0083] 3. Due to a certain frictional force between the driven gear 53 and the sheet body 51, the rotation of the driven gear 53 will drive the sheet body 51 to also start rotating clockwise.

[0084] 4. The rotation of the sheet body 51 causes the driven gear 53 to move circumferentially along the motor shaft 41 until the driven gear 53 engages with the working gear 2.

[0085] 5. Once the driven gear 53 is engaged with the working gear 2, the plate 51 stops rotating, and the driven gear 53 continues to drive the working gear 2 to rotate, thereby achieving a cleaning function.

[0086] When the motor shaft 41 is reversed, the process is similar but in the opposite direction:

[0087] 1. The motor shaft 41 drives the driving gear 52 to rotate counterclockwise.

[0088] 2. The driving gear 52 drives the driven gear 53 to rotate clockwise.

[0089] 3. The rotation of the driven gear 53 drives the plate 51 to rotate counterclockwise.

[0090] 4. The rotation of the plate 51 causes the driven gear 53 to move along the circumference of the motor shaft 41 until the driven gear 53 meshes with the upper gear 31 .

[0091] 5. After the driven gear 53 is engaged with the upper gear 31, the plate 51 stops rotating, and the driven gear 53 continues to drive the upper gear 31 to rotate, thereby realizing the swing arm function.

[0092] The design of this follower gear set 5 brings about many technical effects and advantages. First, it realizes two different functions through a motor and a set of follower gears, which greatly simplifies the equipment structure and reduces the number of parts, thereby reducing manufacturing costs and potential failure rates. Secondly, by utilizing the characteristic of the motor's forward and reverse rotation to automatically switch the working mode, no additional switching mechanism is required, which improves the reliability and response speed of the system. This design also cleverly utilizes limited space. The position change of the driven gear 53 is achieved through the rotation of the sheet 51, so that a single mechanism can be connected to multiple functional components, improving space utilization efficiency. The progressive movement of the driven gear 53 ensures smoothness during function switching, reduces impact and noise, and improves user experience and equipment life. In addition, by adjusting the design parameters of the sheet 51 and the driven gear 53, the movement range and meshing position of the driven gear 53 can be easily changed, making this design highly adaptable and able to meet different application requirements.

[0093] Optionally, the device for realizing multiple actions by a single motor includes a clutch gearbox 6, wherein the upper gear 31, the lower gear 32, the functional gear 33 and the follower gear set 5 are all arranged in the clutch gearbox 6, the drive motor 4 is arranged outside the clutch gearbox 6, and the motor shaft 41 passes through the shell wall of the clutch gearbox 6 to be in transmission connection with the follower gear set 5;

[0094] An arc-shaped notch 61 is provided on the peripheral wall of the clutch gearbox 6. The structure of the swing arm gearbox 1, which is provided with the arc-shaped gear 11 and the working gear 2, extends into the clutch gearbox 6 through the arc-shaped notch 61. The swing distance of the swing arm gearbox 1 is less than the length of the arc-shaped notch 61.

[0095] It is not difficult to understand that this structural design has good sealing and dust-proof properties. Except for the necessary openings, the clutch gearbox 6 can effectively isolate the internal gear system from the external environment, greatly reducing the impact of harmful substances such as dust and moisture on the core transmission components. This is particularly important for cleaning equipment working in complex environments, which can significantly improve the durability and working stability of the equipment. At the same time, this enclosed design is also conducive to the centralized management of lubricating oil, improving the lubrication effect and reducing the consumption and leakage risk of lubricating oil.

[0096] Optionally, a dust-proof structure 7 is further provided on the clutch gearbox 6. The dust-proof structure 7 is used to cover the gap between the peripheral wall of the arc-shaped notch 61 and the outer surface of the swing arm gearbox 1.

[0097] Specifically, there can be various implementation manners of the dust-proof structure 7. It can be a sealing ring made of flexible materials such as rubber or silica gel, which is installed on the peripheral wall of the arc-shaped notch 61. This sealing ring can closely adhere to the outer surface of the swing arm gearbox 1 and deform with the movement of the swing arm, always maintaining a good sealing effect. Or, it can be a corrugated dust-proof cover made of flexible materials such as nylon cloth or rubber, with one end fixed on the clutch gearbox 6 and the other end connected to the swing arm gearbox 1. This design can expand and contract with the movement of the swing arm, effectively covering the gap.

[0098] It is not difficult to understand that the setting of the dust-proof structure 7 significantly improves the dust-proof ability of the entire device. By effectively covering the gap between the arc-shaped notch 61 and the swing arm gearbox 1, the possibility of harmful substances such as dust and moisture entering the clutch gearbox 6 is greatly reduced. This is particularly important for cleaning equipment working in complex environments, which can effectively protect the internal gear system, extend the service life of each component, and improve the reliability and durability of the entire device.

[0099] Optionally, the housing of the swing arm gearbox 1 has a first side wall 12 connected to one end of the arc-shaped gear 11 and a second side wall 13 connected to the other end of the arc-shaped gear 11. The first side wall 12 is provided with a protruding first abutting member, and the second side wall 13 is provided with a protruding second abutting member. Both the first abutting member and the second abutting member are used to abut against the clutch gearbox 6 during the swinging process of the swing arm gearbox 1 to limit the swinging amplitude of the swing arm gearbox 1.

[0100] The implementation manners of the first abutting member (not shown in the figure) and the second abutting member (not shown in the figure) can have various forms. Common implementation manners include simple convex structures, such as cylindrical or cuboid protrusions. This design is simple and easy to manufacture, and can effectively limit the swing amplitude. Another way is an adjustable bolt or screw structure, which allows precise control of the swing range by adjusting the protruding length of the bolt. This design provides higher flexibility and adjustability. A buffer pad made of elastic material, such as a rubber or polyurethane pad, can also be used. This design can not only limit the swing amplitude, but also provide a buffering effect during abutment, reducing impact and noise. In addition, it can be designed as a structure with rollers, which can roll during abutment, reducing friction and wear. These different implementation manners can be selected and combined according to specific application requirements and working environments.

[0101] By arranging abutting members on both sides of the swing arm gearbox 1, the swing amplitude of the swing arm gearbox 1 is effectively limited, preventing mechanical damage or functional failure that may be caused by excessive swing. This mechanical limit is more reliable and direct than electronic control and is not affected by electrical system failures. Secondly, when the first abutting member or the second abutting member abuts against the clutch gearbox 6, it is equivalent to providing a physical obstacle for the swing. This sudden resistance will cause the transmission between the upper gear 31 and the lower gear 32 to be interrupted. The sphere 35 will be disengaged from the card slot 311, enabling the upper gear 31 to continue rotating while the lower gear 32 stops rotating, thus avoiding problems that may be caused by the continuous swing of the swing arm gearbox 1. This design cleverly utilizes the clutch mechanism of the device itself to automatically cut off the power transmission when the maximum swing angle is reached, protecting the equipment and avoiding unnecessary energy consumption. In addition, this design also provides clear tactile and auditory feedback to the operator. When the operator feels the resistance caused by the abutment or hears the corresponding sound, they can immediately realize that the swing arm has reached the limit position and thus adjust the operation in time. Finally, this structural design is simple and reliable, easy to manufacture and maintain, does not require complex sensors or control systems, reduces costs and failure rates, and improves the durability and reliability of the entire device.

[0102] In summary, if an obstacle is encountered during the swing of the swing arm gearbox 1, the transmission between the upper gear 31 and the lower gear 32 will be interrupted, and the working gear 2 continues to rotate and output. However, when the obstacle is removed, the transmission between the upper gear 31 and the lower gear 32 continues. After that, the first abutting member or the second abutting member will abut against the clutch gearbox 6, limiting the swing angle of the swing arm gearbox 1 at this time, thereby interrupting the transmission between the upper gear 31 and the lower gear 32 again.

[0103] The above are only the preferred embodiments of the present invention, and do not limit the patent scope of the present invention accordingly. Any equivalent structural transformation made under the inventive concept of the present invention by using the content of the specification and drawings of the present invention, or any direct / indirect application in other related technical fields shall be included within the patent protection scope of the present invention.

Claims

1. A device that uses a single motor to achieve multiple actions, characterized in that, Comprising: A swing arm gearbox (1) is provided with a rotatable working gear (2) thereon, and an arc gear (11) is formed on the outer peripheral wall of the housing of the swing arm gearbox (1); A clutch gear set (3) includes an upper layer gear (31), a lower layer gear (32), a functional gear (33), an elastic member (34) and a sphere (35). The upper layer gear (31) is drivingly connected to the working gear (2) through the functional gear (33). The upper layer gear (31) and the lower layer gear (32) are arranged coaxially. The lower layer gear (32) meshes with the arc gear (11). A clamping groove (311) is formed on the side of the upper layer gear (31) close to the lower layer gear (32). A guiding channel (321) corresponding to the clamping groove (311) is formed on the lower layer gear (32). A part of the structure of the sphere (35) is located in the clamping groove (311), and another part of the structure of the sphere (35) is located in the guiding channel (321). The elastic member (34) is arranged in the guiding channel (321) and is in contact with the sphere (35) for driving the sphere (35) to move in a direction close to the upper layer gear (31); A driving motor (4) has a motor shaft (41); A follower gear set (5) is arranged on the motor shaft (41). When the motor shaft (41) rotates forward, the follower gear set (5) can move to a position meshing with the working gear (2). When the motor shaft (41) rotates reversely, the follower gear set (5) can move to a position meshing with the upper layer gear (31); wherein, When the motor shaft (41) rotates reversely, if the swing of the swing arm gearbox (1) is restricted, the sphere (35) can be disengaged from the clamping groove (311) so that the upper layer gear (31) can continue to rotate while the lower layer gear (32) stops rotating and the swing of the swing arm gearbox (1) stops; The follower gear set (5) includes a sheet body (51), a driving gear (52) and a driven gear (53). The motor shaft (41) rotatably passes through the sheet body (51). The driving gear ( ​ 2. The device for implementing multiple actions with a single motor according to claim 1, characterized in that, ​ ​ 3. The device for implementing multiple actions with a single motor according to claim 1, characterized in that, The surface of the groove wall of the card slot (311) is a concave arc surface.

4. The device for implementing multiple actions with a single motor according to claim 1, wherein A slot (312) is formed on the side of the upper layer gear (31) close to the lower layer gear (32), and the card slot (311) is arranged on the bottom wall of the slot (312); The lower layer gear (32) includes a gear body (323) and a plug post (324) arranged on the side of the gear body (323) close to the upper layer gear (31). The gear body (323) meshes with the arc gear (11). The free end of the plug post (324) extends into the slot (312) and is spaced from the bottom wall of the slot (312). The guiding channel (321) extends from the gear body (323) to the free end of the plug post (324).

5. The device for implementing multiple actions with a single motor according to claim 4, wherein A plurality of the card slots (311) are formed on the bottom wall of the slot (312); The number of the guiding channels (321), the number of the spheres (35), and the number of the elastic members (34) are all the same as the number of the card slots (311) and correspond one by one.

6. The device for implementing multiple actions with a single motor according to claim 5, characterized in that The plurality of card slots (311) are arranged in an annular shape around the rotation axis of the upper layer gear (31).

7. The device for implementing multiple actions with a single motor according to claim 1, wherein The device for the single motor to realize multiple actions includes a clutch gear box (6). The upper layer gear (31), the lower layer gear (32), the functional gear (33), and the follower gear set (5) are all arranged in the clutch gear box (6). The driving motor (4) is arranged outside the clutch gear box (6), and the motor shaft (41) passes through the shell wall of the clutch gear box (6) to be in transmission connection with the follower gear set (5); An arc notch (61) is provided on the peripheral wall of the clutch gear box (6). The structure of the arc gear (11) and the working gear (2) on the swing arm gear box (1) extends into the clutch gear box (6) through the arc notch (61), and the swing distance of the swing arm gear box (1) is less than the length of the arc notch (61).

8. The device for realizing multiple actions with a single motor according to claim 7, characterized in that, A dust-proof structure (7) is further provided on the clutch gear box (6), and the dust-proof structure (7) is used to cover the gap between the peripheral wall of the arc notch (61) and the outer surface of the swing arm gear box (1).

9. The device for implementing multiple actions with a single motor according to claim 7, characterized in that, The box body of the swing arm gear box (1) has a first side wall (12) connected to one end of the arc gear (11) and a second side wall (13) connected to the other end of the arc gear (11). The first side wall (12) is provided with a protruding first abutting member, and the second side wall (13) is provided with a protruding second abutting member. Both the first abutting member and the second abutting member are used to abut against the clutch gear box (6) during the swinging process of the swing arm gear box (1) to limit the swinging amplitude of the swing arm gear box (1).

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