Automatic pool cleaning device

Abstract

The application discloses a pool automatic cleaning device, comprising: a traveling mechanism for driving the pool automatic cleaning device to travel, wherein the traveling mechanism comprises a wheel; and a driving mechanism for driving the traveling mechanism; wherein the driving mechanism comprises a driving motor and an output gear, wherein the driving motor comprises an output shaft and a motor body, the output shaft of the driving motor drives the wheel through the output gear; the driving mechanism further comprises a motor bearing arranged between the motor body and the output gear, and the output shaft is coupled with the output gear through the motor bearing.

Description

Technical Field

[0001] This disclosure relates to the field of pool cleaning, and specifically to an automatic pool cleaning device. Background Technology

[0002] Automatic pool cleaning devices are generally used for cleaning pools, such as collecting and removing trash / dirt from the bottom, side walls, and / or surface of pools like swimming pools, in order to filter and purify the water in the pool. Utility Model Content

[0003] According to one aspect of this disclosure, an automatic pool cleaning device is provided, comprising: a traveling mechanism for driving the automatic pool cleaning device to travel, wherein the traveling mechanism includes wheels; and a drive mechanism for driving the traveling mechanism; wherein the drive mechanism includes: a drive motor and an output gear, wherein the drive motor includes an output shaft and a motor body, and the output shaft of the drive motor drives the wheels through the output gear; the drive mechanism further includes a motor bearing disposed between the motor body and the output gear, and the output shaft passes through the motor bearing and is coupled to the output gear.

[0004] According to at least one embodiment of this disclosure, the above-described automatic water tank cleaning device further includes a sealed chamber, in which the motor body and the motor bearing are housed.

[0005] According to at least one embodiment of this disclosure, the housing of the sealed chamber forms a bearing seat for mounting the motor bearing.

[0006] According to at least one embodiment of the present disclosure, the drive mechanism further includes a motor oil seal disposed between the motor bearing and the motor body, and radially surrounding the output shaft.

[0007] According to at least one embodiment of this disclosure, the motor oil seal is housed in the bearing housing.

[0008] According to at least one embodiment of this disclosure, the number of motor oil seals is two, and the two motor oil seals are installed coaxially side by side.

[0009] According to at least one embodiment of this disclosure, the output shaft of the drive motor extends to the outside of the sealed chamber and is coupled to the output gear.

[0010] According to at least one embodiment of this disclosure, the output gear is fixedly coupled to the output shaft, and the output gear, the motor bearing, and the motor oil seal are coaxial.

[0011] According to at least one embodiment of the present disclosure, the wheel includes a drive wheel, and the output gear meshes with the drive wheel.

[0012] According to at least one embodiment of this disclosure, the motor bearing includes an oil-impregnated bearing or a ball bearing. Attached Figure Description

[0013] Figure 1 The outline of an automatic pool cleaning device according to an embodiment of the present disclosure is shown schematically.

[0014] Figure 2 The schematic diagram illustrates partial structures of the traveling mechanism and drive mechanism of the automatic water tank cleaning device according to an embodiment of the present disclosure.

[0015] Figure 3 The appearance of the sealed compartment of the automatic water tank cleaning device according to an embodiment of the present disclosure is schematically shown.

[0016] Figure 4 A partial structure of the drive mechanism of an automatic pool cleaning device according to an embodiment of the present disclosure is illustrated schematically. Detailed Implementation

[0017] The detailed description that follows, taken in conjunction with the accompanying drawings, is intended as a description of various configurations and not as representing only the configurations in which the concepts described herein can be practiced. The detailed description includes specific details and is intended to provide a thorough understanding of the various concepts. However, it will be apparent to those skilled in the art that these concepts can be practiced without these specific details.

[0018] In the description of this disclosure, it should be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," "one side," "the other side," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this disclosure and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this disclosure.

[0019] Furthermore, terms such as "first," "second," and "third," which relate to sequence, are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined with terms such as "first," "second," and "third," which relate to sequence, may explicitly or implicitly include at least one of those features. In the description of this disclosure, "multiple" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0020] Furthermore, dimensions may be exaggerated in the accompanying drawings for clarity and are not drawn to scale. Throughout the drawings, the same reference numerals generally refer to the same elements.

[0021] Figure 1 The diagram schematically illustrates the external shape of an automatic pool cleaning device 10 according to an embodiment of the present disclosure. It can perform cleaning operations on the bottom, walls, water, and surface of a pool (e.g., a swimming pool) as needed, for example, to remove debris from the water, bottom, and surface, and to clean dirt from the pool bottom and walls. Figure 1 As shown, the automatic pool cleaning device 10 may include structures / components such as a housing 110, a traveling mechanism 120, and a cleaning mechanism 130. As an example, control circuits such as a control unit and an inertial measurement unit (IMU) may be installed inside the housing 10. A drive mechanism such as a water pump and a drive motor may be provided, and a filtration mechanism, such as a dust box, may also be included to filter and purify the water entering the dust box through the inlet, removing impurities, and then discharging the cleaned water from the automatic pool cleaning device through the outlet. As an example, Figure 1 The diagram shows that the traveling mechanism 120 may include tracked traveling mechanisms on both sides of the lower part of the automatic pool cleaning device 10, allowing the pool cleaning device to travel in water, at the bottom of the pool, or on the pool wall to perform corresponding cleaning operations. However, the traveling mechanism is not limited to... Figure 1 The type shown can include, for example, wheeled travel mechanisms, without limitation. Figure 1 As shown, the cleaning mechanism 130 may include components such as roller brushes on the front and / or rear sides of the automatic pool cleaning device.

[0022] According to one or more embodiments, the automatic pool cleaning device 10 can be configured to, under the control of an internal control unit, move along a specific trajectory or in a specific direction on the bottom, walls, water, and surface of the pool according to a specified mode via a drive mechanism, such as a drive motor driving a traveling mechanism 120. Simultaneously, the cleaning mechanism 130 can be activated to clean up garbage, dirt, and grime on the bottom, walls, water, and / or surface of the pool, so that it is sucked into the dust box of the automatic pool cleaning device along with the water flow. The garbage, dirt, and grime are filtered through the dust box, trapping them in the dust box, and the cleaned water is discharged from the automatic pool cleaning device, thereby achieving the cleaning of the pool.

[0023] Figure 1 The automatic water tank cleaning device 10 shown is merely an example. Those skilled in the art can make changes to it in one or more aspects such as appearance, structure, layout, components, and functions according to actual needs, without departing from the principles of this disclosure.

[0024] Figure 2 The schematic diagram illustrates partial structures of the traveling mechanism and drive mechanism of an automatic pool cleaning device according to an embodiment of the present disclosure. As an example, in Figure 2 The image shows an example of an automatic pool cleaning device using a tracked travel mechanism. (Example:) Figure 2 As shown, the traveling mechanism of the automatic pool cleaning device includes a track 210 and a drive wheel 220. The outer gear ring of the drive wheel 220 meshes with the track 210, and the inner gear ring of the drive wheel 220 meshes with the output gear 230 of the drive mechanism. This allows the drive wheel 220 to rotate when the drive motor of the drive mechanism drives the output gear 230 to rotate, thereby driving the track 210 to move. This enables the automatic pool cleaning device to travel on the bottom and / or wall of the pool for cleaning operations.

[0025] Figure 2 The diagram further illustrates a roller brush 240 as a cleaning mechanism in an automatic pool cleaning device. As described above, the roller brush, acting as a cleaning mechanism, can be used to clean debris, dirt, and grime from the pool bottom, pool walls, water, and / or surface, causing them to be sucked into the dustbin of the automatic pool cleaning device along with the water flow, thereby cleaning the pool and / or water body. As an example, the roller brush 240 can be driven to rotate for cleaning operations via a drive mechanism of the automatic pool cleaning device. For instance, the rotation shaft of the roller brush 240 can be coupled to the output shaft of a drive motor via a transmission mechanism, such as one or more gears, so that it can rotate under the drive of the output shaft of the drive motor.

[0026] Given the complex operating environment of automatic pool cleaning devices, which may include the pool bottom, pool walls, water surface, and waterline, some components of the automatic pool cleaning device need to be waterproof, while others need to operate underwater. This places higher demands on the structural design and maintenance of the automatic pool cleaning device.

[0027] Therefore, the automatic water tank cleaning device according to the embodiments of this disclosure can be provided with a waterproof sealed chamber, which integrates some waterproof components, such as control units like microprocessors and microcontrollers, and drive units like drive motors, into the sealed chamber. The sealed chamber can transmit instructions, exchange data, and / or transmit power to various sensors, actuators, and other components outside the sealed chamber through various interfaces provided on the housing of the sealed chamber.

[0028] Figure 3 The appearance of the sealed compartment of the automatic pool cleaning device according to an embodiment of the present disclosure is schematically shown. Figure 3 As shown, the sealed chamber 30 of the automatic pool cleaning device includes a housing 310. The output shaft 320 of the drive motor disposed in the sealed chamber extends out of the housing 310 so as to be coupled to the traveling mechanism of the automatic pool cleaning device via a transmission mechanism, such as a gear, thereby driving the traveling mechanism to move the automatic pool cleaning device.

[0029] Figure 4 The illustration schematically shows a partial structure of the drive mechanism of an automatic pool cleaning device according to an embodiment of the present disclosure. According to an embodiment of the present disclosure, such as... Figure 4 As shown, the drive mechanism of the automatic pool cleaning device may include a drive motor 410 and an output gear 420. The drive motor includes an output shaft 4110 and a motor body 4120. The output shaft 4110 of the drive motor can drive the wheels of the automatic pool cleaning device's traveling mechanism through the output gear 420, such as the drive wheel of the tracked traveling mechanism of the automatic pool cleaning device or the drive wheel of the wheeled traveling mechanism of the automatic pool cleaning device.

[0030] As an example, one could adopt, for instance, the following: Figure 2 The structure shown transmits the driving force from the drive motor to the wheel by setting a toothed ring on the wheel and meshing the output gear with the wheel toothed ring, thereby driving the wheel to rotate.

[0031] like Figure 4 As further shown, the drive mechanism of the automatic pool cleaning mechanism also includes a motor bearing 430, which is disposed between the motor body 4120 and the output gear 420, and is sleeved on the output shaft 4110 of the motor. The output shaft 4110 of the motor passes through the motor bearing 430 and is coupled to the output gear 420.

[0032] According to at least one embodiment of the present disclosure, the motor body of the drive motor can be disposed inside the sealed chamber, while the output shaft of the drive motor extends out of the sealed chamber body to be coupled with the output gear.

[0033] As an example, such as Figure 4 As shown, the motor body 4120 of the drive motor is housed in the sealed chamber 450, while the output shaft 4110 of the drive motor extends out of the sealed chamber 450 and is coupled to the output gear 420.

[0034] like Figure 4 As further shown, the motor bearing 430 is also disposed inside the sealing chamber 450. As an example, a bearing housing 460 may be formed on the housing of the sealing chamber 450 for housing the motor bearing 430.

[0035] According to at least one embodiment of this disclosure, the motor bearing 430 includes an oil-impregnated bearing or a ball bearing.

[0036] According to at least one embodiment of the present disclosure, the drive mechanism further includes a motor oil seal disposed between the motor bearing and the motor body, and radially surrounding the output shaft.

[0037] like Figure 4 As shown, the motor oil seal 440 is disposed between the motor bearing 430 and the motor body 4120, and is sleeved on the output shaft 4110 of the motor.

[0038] According to at least one embodiment of this disclosure, the motor oil seal is housed within a bearing housing. Figure 4 As shown, the motor oil seal 440 is installed in the bearing housing 460.

[0039] According to at least one embodiment of this disclosure, such as Figure 4 As shown, there are two motor oil seals, which are installed coaxially side by side. This further improves the sealing effect.

[0040] According to at least one embodiment of this disclosure, such as Figure 4 As shown, the output gear 420 is fixedly coupled to the output shaft 4110 of the drive motor, and the output gear 420, the motor bearing 430 and the motor oil seal 440 are coaxial.

[0041] According to at least one embodiment of the present disclosure, the wheel includes a drive wheel, and the output gear meshes with the drive wheel.

[0042] According to the above embodiments of this disclosure, by placing the drive motor inside the sealed chamber and extending the output shaft of the drive motor to the outside of the sealed chamber to drive the output gear to rotate the wheel of the traveling mechanism; in order to prevent water and / or foreign objects such as sand particles in the pool from entering the sealed chamber through the gap between the output shaft of the motor and the housing of the sealed chamber, a motor oil seal as a sealing element is provided on the output shaft of the motor.

[0043] Furthermore, considering that the motor output shaft may wobble relative to its normal rotation axis when subjected to transmission resistance or collision forces caused by obstacles encountered during the travel of the traveling mechanism, the wobble gap can lead to excessive wear of the motor oil seal, resulting in gaps and water ingress into the sealing chamber. Therefore, according to at least one embodiment of this disclosure, a motor bearing is also provided between the motor oil seal and the output gear. The centerlines of the motor bearing, the output gear, and the motor oil seal are coaxial, so that the motor output shaft remains coaxial with the motor oil seal regardless of the wobble. This can reduce or even eliminate the defect of water ingress into the sealing chamber caused by wear of the motor oil seal due to wobble during operation of the motor output shaft, thereby improving the working reliability of the automatic water tank cleaning device and extending the maintenance cycle.

[0044] In this disclosure, unless otherwise expressly specified and limited, the terms "installation," "setting," "connection," "linking," "fixing," and "coupling," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection, an electrical connection, or a communicative connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise expressly limited. Those skilled in the art can understand the specific meaning of the above terms in this disclosure according to the specific circumstances.

[0045] Obviously, the embodiments described above are only some embodiments of this application, not all embodiments. The accompanying drawings show preferred embodiments of this application, but do not limit the patent scope of this application. This application can be implemented in many different forms; rather, the purpose of providing these embodiments is to provide a more thorough and comprehensive understanding of the disclosure of this application. Although this application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing specific embodiments, or make equivalent substitutions for some of the technical features. Any equivalent structures made using the content of this application's specification and drawings, whether directly or indirectly applied to other related technical fields, are similarly within the scope of patent protection of this application.

Claims

1. An automatic water tank cleaning device, comprising: A traveling mechanism for driving the automatic water tank cleaning device, wherein the traveling mechanism includes wheels; as well as The drive mechanism drives the traveling mechanism; The characteristic is that the driving mechanism includes: A drive motor and an output gear, wherein the drive motor includes an output shaft and a motor body, and the output shaft of the drive motor drives the wheel through the output gear; The drive mechanism also includes a motor bearing disposed between the motor body and the output gear, and the output shaft passes through the motor bearing and is coupled to the output gear.

2. The automatic water tank cleaning device according to claim 1, characterized in that, The automatic water tank cleaning device also includes a sealed chamber, in which the motor body and the motor bearing are housed.

3. The automatic water tank cleaning device according to claim 2, characterized in that, The housing of the sealed chamber forms a bearing seat for mounting the motor bearing.

4. The automatic water tank cleaning device according to claim 3, characterized in that, The drive mechanism also includes a motor oil seal, which is disposed between the motor bearing and the motor body and radially surrounds the output shaft.

5. The automatic water tank cleaning device according to claim 4, characterized in that, The motor oil seal is housed in the bearing housing.

6. The automatic water tank cleaning device according to claim 4, characterized in that, The number of motor oil seals is two, and the two motor oil seals are installed coaxially side by side.

7. The automatic water tank cleaning device according to claim 2, characterized in that, The output shaft of the drive motor extends to the outside of the sealed chamber and is coupled to the output gear.

8. The automatic water tank cleaning device according to claim 4, characterized in that, The output gear is fixedly coupled to the output shaft, and the output gear, the motor bearing, and the motor oil seal are coaxial.

9. The automatic water tank cleaning device according to any one of claims 1-8, characterized in that, The wheel includes a drive wheel, and the output gear meshes with the drive wheel.

10. The automatic water tank cleaning device according to any one of claims 1-8, characterized in that, The motor bearings include oil-impregnated bearings or ball bearings.

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