Underwater cleaning robot

Abstract

The utility model relates to the technical field of underwater cleaning, and discloses an underwater cleaning robot including a body, a power assembly and a flow delivery assembly. The body includes a body and a mounting seat; the power assembly includes a driving member and a driving gear; the driving member is connected to the mounting seat, and the driving gear is connected to the driving member; at least two flow delivery assemblies are provided; the flow delivery assembly includes a rotating shaft, a driven gear and a blade; the rotating shaft is rotatably connected to the mounting seat, and the driven gear and the blade are both installed on the rotating shaft and rotate synchronously with the rotating shaft; wherein the driven gears of each flow delivery assembly are synchronously meshed with the driving gear, and the number of teeth of the driving gear is greater than the number of teeth of the driven gear. By meshing the main delivery gear with multiple driven gears at the same time, and the number of teeth of the driving gear is greater than the number of teeth of the driven gear, it is ensured that the rotation speed of each blade is increased, and at the same time, the total contact area between the blade and the water is ensured, thereby greatly improving the driving efficiency of the water flow.

Description

Technical Field

[0001] The utility model relates to the technical field of underwater cleaning, in particular to an underwater cleaning robot. Background Art

[0002] At present, underwater cleaning robots are mainly used to clean stains on the bottom and side walls of pools. Compared with the traditional cleaning method that requires draining the water in the pool and then manually wiping the bottom or walls of the pool, underwater cleaning robots can perform cleaning operations underwater, which greatly saves manpower and is more time-saving and labor-saving.

[0003] Underwater cleaning robots will have blades installed inside, which will pump sewage into the body of the robot through the rotation of the blades. After filtering, the blades will be discharged into the pool to filter and collect stains in the water. Therefore, the water flow rate generated by the blade drive will directly affect the cleaning efficiency. The factors that affect the water flow rate are mainly the contact area between the blade and the water and the rotation speed of the blade. The larger the blade is, the faster the water flow rate will be. However, the larger the contact area between the blade and the water, the greater the reaction force of the water, so the rotation speed needs to be reduced accordingly. Therefore, the existing transmission structure for the blade cannot simultaneously guarantee the contact area between the blade and the water and the rotation speed of the blade, resulting in insufficient water flow drive efficiency. Utility Model Content

[0004] The technical problems to be solved by the utility model are:

[0005] It is impossible to ensure both the contact area between the blade and the water and the rotation speed of the blade at the same time, resulting in insufficient driving efficiency for the water flow.

[0006] In order to solve the above technical problems, the utility model provides an underwater cleaning robot, comprising:

[0007] A vehicle body, the vehicle body comprising a vehicle body and a mounting seat; the mounting seat is arranged on the vehicle body;

[0008] A power assembly, the power assembly comprising a driving member and a driving gear; the driving member is connected to the mounting seat, the driving gear is connected to the driving member, and the driving member is used to drive the driving gear to rotate; and

[0009] A flow delivery assembly, wherein at least two flow delivery assemblies are provided; the flow delivery assembly comprises a rotating shaft, a driven gear and a blade; the rotating shaft is rotatably connected to the mounting seat, the driven gear and the blade are both mounted on the rotating shaft and rotate synchronously with the rotating shaft;

[0010] Wherein, the driven gear of each of the flow delivery components is synchronously meshed with the driving gear, and the number of teeth of the driving gear is greater than the number of teeth of the driven gear.

[0011] In one embodiment, the mounting seat includes a fixed portion and an upright portion; the fixed portion is connected to the vehicle body, the upright portion extends from the fixed portion away from the vehicle body, and the driving member and the driving gear are respectively arranged on both sides of the upright portion.

[0012] In one embodiment, the flow delivery components are evenly spaced around the driving gear.

[0013] In one embodiment, the number of the flow delivery components is two, and the two flow delivery components are symmetrically arranged relative to the driving gear.

[0014] In one embodiment, the rotating shaft includes a hinged portion, a limiting portion and an extending portion; the hinged portion is rotatably connected to the mounting seat, and the driven gear is sleeved on the outside of the hinged portion; the limiting portion is arranged at one end of the hinged portion away from the mounting seat; the extending portion is arranged on a side of the limiting portion away from the hinged portion, and the blade is sleeved on the outside of the extending portion.

[0015] In one embodiment, the hinge part is cylindrical and has a stop groove on it; the stop groove is long and extends along the central axis of the hinge part; a stop hole is provided on the driven gear, and the shape of the stop hole is the same as the cross-sectional shape of the hinge part.

[0016] In one embodiment, the extension portion is arranged in a cylindrical structure, and a synchronization groove is provided on the extension portion; the synchronization groove is in the shape of an elongated strip and extends along the central axis direction of the extension portion; a synchronization hole is provided on the blade, and the shape of the synchronization hole is the same as the cross-sectional shape of the extension portion.

[0017] In one of the embodiments, two rotating bearings are arranged on the hinged portion, the hinged portion passes through the mounting seat and the two rotating bearings, and the two rotating bearings are respectively arranged on both sides of the mounting seat.

[0018] In one of the embodiments, a clamping groove is provided on the hinged portion, and a clamping ring is provided in the clamping groove; the clamping ring is protruded from the outer side of the hinged portion, and the clamping ring abuts against one of the rotating bearings away from the limiting portion.

[0019] In one embodiment, the flow delivery assembly also includes a flow guide cover; the flow guide cover includes a cover portion and a flow guide portion, the cover portion is connected and fixed to the mounting seat, the cover portion is covered on the outside of the blade, the flow guide portion is arranged on the side of the cover portion away from the mounting seat, and the side wall of the cover portion is inclined and gradually shrinks from the mounting seat toward the flow guide portion.

[0020] Compared with the prior art, the above underwater cleaning robot has the following beneficial effects:

[0021] By meshing the main delivery gear with multiple driven gears at the same time, and at the same time the number of teeth of the driving gear is greater than the number of teeth of the driven gear, it is ensured that the driving gear can drive each driven gear to increase the speed, thereby increasing the rotation speed of each blade. Since multiple blades of the delivery assembly are provided, the total contact area between the blade and the water can also be increased, thereby greatly improving the driving efficiency of the water flow. Since the traditional method of dispersing a large blade into multiple small blades for synchronous driving is adopted, the reaction force of the water on each small blade is relatively small, thereby ensuring the high-speed rotation of each small blade, achieving the goal of increasing the contact area between the blade and the water while increasing the blade rotation speed. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a schematic diagram of the exploded structure of an underwater cleaning robot according to one embodiment of the utility model;

[0023] Figure 2 for Figure 1 A schematic diagram of the exploded structure of the underwater cleaning robot from another angle;

[0024] Figure 3 for Figure 1 Enlarged schematic diagram of the circled part A.

[0025] The meanings of the numbers in the accompanying drawings are:

[0026] 100. Underwater cleaning robot;

[0027] 10. vehicle body; 11. vehicle body; 12. mounting seat; 121. fixing portion; 122. upright portion;

[0028] 20. Power assembly; 21. Driving member; 22. Driving gear;

[0029] 30. Flow delivery assembly; 31. Rotating shaft; 311. Articulated portion; 312. Limiting portion; 313. Extending portion; 315. Stop groove; 316. Synchronizing groove; 317. Rotating bearing; 318. Retaining groove; 319. Retaining ring; 32. Driven gear; 325. Stop hole; 33. Blade; 335. Synchronizing hole; 34. Flow guide cover; 341. Shielding portion; 342. Flow guide portion. DETAILED DESCRIPTION

[0030] In order to make the above-mentioned purposes, features and advantages of the utility model more obvious and easy to understand, the specific implementation methods of the utility model are described in detail below in conjunction with the accompanying drawings. In the following description, many specific details are set forth to facilitate a full understanding of the utility model. However, the utility model can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without violating the connotation of the utility model, so the utility model is not limited by the specific embodiments disclosed below.

[0031] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0032] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying 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 the description of the present utility model, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0033] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0034] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0035] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "upper", "lower", "left", "right" and similar expressions used herein are for illustrative purposes only and are not intended to be the only implementation method.

[0036] See also Figures 1 to 3 , an underwater cleaning robot 100 according to an embodiment of the utility model, includes a body 10, a power assembly 20 and a flow delivery assembly 30. The body 10 includes a body 11 and a mounting seat 12; the mounting seat 12 is arranged on the body 11. The power assembly 20 includes a driving member 21 and a driving gear 22; the driving member 21 is connected to the mounting seat 12, the driving gear 22 is connected to the driving member 21, and the driving member 21 is used to drive the driving gear 22 to rotate. The flow delivery assembly 30 is provided with at least two; the flow delivery assembly 30 includes a rotating shaft 31, a driven gear 32 and a blade 33; the rotating shaft 31 is rotatably connected to the mounting seat 12, the driven gear 32 and the blade 33 are both installed on the rotating shaft 31, and rotate synchronously with the rotating shaft 31, thereby realizing the transmission of torque from the driving member 21 to the driving gear 22, the driving gear 22 to the driven gear 32, and the blade 33 rotates synchronously with the driven gear 32 through the rotating shaft 31. Among them, the driven gear 32 of each flow delivery component 30 is synchronously meshed with the driving gear 22, and the number of teeth of the driving gear 22 is greater than the number of teeth of the driven gear 32. By setting multiple flow delivery components 30, the synchronous driving of multiple blades 33 is realized, and the total contact area between the blades 33 and the water is increased by increasing the number of blades 33; and because the water flow reaction force borne by a single blade 33 is not large, the rotation speed of each blade 33 is increased by increasing the number of teeth of the driving gear 22 greater than the number of teeth of the driven gear 32, so that the contact area between the blade 33 and the water and the rotation speed of the blade 33 are increased synchronously, thereby greatly improving the overall driving efficiency of the water flow. According to experimental tests, compared with the traditional structure, the transmission structure in this embodiment outputs the same torque power of the driving member 21, and the driving efficiency of the water flow can be increased by 40%.

[0037] Furthermore, the body 11 is roughly in the shape of a straight plate, and is the core bearing component of the underwater cleaning robot 100. It can be understood that the shape and structure of the body 11 can be modified according to actual use needs, and the specific shape and structure of the body 11 are not limited here, as long as the body 11 can support and fix other components.

[0038] Furthermore, the mounting seat 12 includes a fixing portion 121 and an upright portion 122. The fixing portion 121 is in the shape of a straight plate, and the fixing portion 121 is connected to the vehicle body 11 to fix the mounting seat 12 on the vehicle body 11; the upright portion 122 extends from the fixing portion 121 in a direction away from the vehicle body 11. In this embodiment, the upright portion 122 and the fixing portion 121 are both in the shape of a straight plate, and the upright portion 122 is perpendicular to the fixing portion 121. The upright portion 122 is arranged at one end of the fixing portion 121, so that the mounting seat 12 is arranged in an L-shaped structure. In another embodiment, the upright portion 122 can be arranged in the middle position of the fixing portion 121, so that the mounting seat 12 is arranged in a T-shaped structure.

[0039] Furthermore, the driving member 21 is connected and fixed to the upright portion 122, and the driving member 21 and the driving gear 22 are respectively arranged on both sides of the upright portion 122, and the driving member 21 passes through the upright portion 122 and is connected to the driving gear 22. In this embodiment, the driving member 21 is a motor.

[0040] Furthermore, the flow delivery components 30 are evenly spaced around the driving gear 22. By evenly spaced around the driving gear 22, the driving force distribution of the water flow is guaranteed to be more even, and turbulence caused by uneven distribution of driving force is avoided. In this embodiment, the number of the flow delivery components 30 is two, and the two flow delivery components 30 are symmetrically arranged relative to the driving gear 22. Since the two flow delivery components 30 are symmetrically arranged relative to the driving gear 22, and the two flow delivery components 30 are synchronously meshed with the driving gear 22, the driving force of the impellers of the two flow delivery components 30 on the water is opposite to the side close to the driving gear 22, and the driving force on the side away from the driving gear 22 is also opposite. The opposite forces can effectively eliminate the turbulence generated in the process of the two impellers driving the water flow, thereby improving the driving efficiency of the water flow.

[0041] Furthermore, the rotating shaft 31 includes a hinged portion 311, a limiting portion 312 and an extending portion 313. The hinged portion 311 is rotatably connected to the mounting seat 12, and the hinged portion 311 is cylindrical; the limiting portion 312 is in the shape of a circular straight plate, the limiting portion 312 is arranged at one end of the hinged portion 311 away from the mounting seat 12, and the limiting portion 312 is convexly arranged on the outer side of the hinged portion 311; the extending portion 313 is in the shape of a cylinder, and the extending portion 313 is arranged on the side of the limiting portion 312 away from the hinged portion 311. In this embodiment, two rotating bearings 317 are arranged on the hinged portion 311. The hinged portion 311 passes through the mounting seat 12 and the two rotating bearings 317, and the two rotating bearings 317 are respectively arranged on both sides of the mounting seat 12 to ensure the stability of the support of the rotating shaft 31.

[0042] Furthermore, the driven gear 32 is sleeved on the outer side of the hinge 311, and the limiting portion 312 abuts against the side of the driven gear 32 away from the mounting seat 12 to locate the installation position of the driven gear 32. In this embodiment, a stop groove 315 is provided on the hinge 311, and the stop groove 315 is in the shape of a long strip and extends along the central axis direction of the hinge 311. By providing the stop groove 315 on the cylindrical hinge 311, the cross-sectional shape of the hinge 311 is an irregular shape. A stop hole 325 is provided on the driven gear 32, and the shape of the stop hole 325 is the same as the cross-sectional shape of the hinge 311, so as to prevent the driven gear 32 and the hinge 311 from rotating relative to each other, thereby improving the stability of torque transmission.

[0043] Furthermore, the blade 33 is sleeved on the outside of the extension part 313, and the blade 33 will squeeze the water during its rotation, thereby pushing the water flow. In this embodiment, a synchronization groove 316 is provided on the extension part 313, and the synchronization groove 316 is in the shape of a long strip and extends along the central axis of the extension part 313. By providing the synchronization groove 316 on the cylindrical extension part 313, the cross-sectional shape of the extension part 313 is an irregular shape. A synchronization hole 335 is provided on the blade 33, and the shape of the synchronization hole 335 is the same as the cross-sectional shape of the extension part 313, so as to prevent the blade 33 and the extension part 313 from rotating relative to each other, thereby improving the stability of torque transmission.

[0044] Furthermore, a clamping groove 318 is provided on the hinged portion 311, and the clamping groove 318 is provided at one end of the hinged portion 311 away from the limiting portion 312, and the clamping groove 318 is provided in the shape of a circular groove. A snap ring 319 is provided in the clamping groove 318, and the snap ring 319 is in the shape of a circular straight plate, and the snap ring 319 is embedded in the groove, and the snap ring 319 is convexly provided on the outer side of the hinged portion 311, and the snap ring 319 abuts against a rotating bearing 317 away from the limiting portion 312, so as to fix the rotating shaft 31 on the mounting seat 12.

[0045] Furthermore, the flow delivery component 30 also includes a flow deflector 34. The flow deflector 34 includes a cover portion 341 and a flow guide portion 342. The cover portion 341 is connected and fixed to the mounting seat 12, and the cover portion 341 is covered on the outside of the blade 33; the flow guide portion 342 is arranged on the side of the cover portion 341 away from the mounting seat 12, and the cover portion 341 and the flow guide portion 342 are both hollow tube-shaped to guide the water flow. The side wall of the cover portion 341 is inclined and gradually shrinks from the mounting seat 12 to the direction of the flow guide portion 342, so that the cover portion 341 is trumpet-shaped. By arranging the cover portion 341 in an inclined state on the outside of the blade 33, the guiding range of the water flow can be effectively improved, and at the same time, the mutual influence between the synchronous rotation of each blade 33 can be reduced, and the generation of turbulence can be reduced.

[0046] In summary, the embodiment of the utility model provides an underwater cleaning robot 100, which has the following beneficial effects:

[0047] By meshing the main delivery gear with multiple driven gears 32 at the same time, and at the same time the number of teeth of the driving gear 22 is greater than the number of teeth of the driven gear 32, it is ensured that the driving gear 22 can drive each driven gear 32 to increase the speed, thereby increasing the rotation speed of each blade 33. Since multiple blades 33 of the delivery assembly 30 are provided, the total contact area between the blade 33 and the water can also be increased, thereby greatly improving the driving efficiency of the water flow. Since a traditional large blade is dispersed into multiple small blades 33 for synchronous driving, the reaction force of the water on each small blade 33 is relatively small, thereby ensuring the high-speed rotation of each small blade 33, achieving the increase of the contact area between the blade 33 and the water while increasing the rotation speed of the blade 33.

[0048] The technical features of the above-described embodiments may be arbitrarily combined. To make the description concise, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0049] The above-mentioned embodiments only express several implementation methods of the utility model, and the description is relatively specific and detailed, but it cannot be understood as limiting the scope of the utility model patent. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent shall be based on the attached claims.

Claims

1. An underwater cleaning robot, characterized in that: include: A vehicle body, the vehicle body comprising a vehicle body and a mounting seat; the mounting seat is arranged on the vehicle body; A power assembly, the power assembly comprising a driving member and a driving gear; the driving member is connected to the mounting seat, the driving gear is connected to the driving member, and the driving member is used to drive the driving gear to rotate; and A flow delivery assembly, wherein at least two flow delivery assemblies are provided; the flow delivery assembly comprises a rotating shaft, a driven gear and a blade; the rotating shaft is rotatably connected to the mounting seat, the driven gear and the blade are both mounted on the rotating shaft and rotate synchronously with the rotating shaft; Wherein, the driven gear of each of the flow delivery components is synchronously meshed with the driving gear, and the number of teeth of the driving gear is greater than the number of teeth of the driven gear.

2. The underwater cleaning robot according to claim 1, characterized in that: The mounting seat includes a fixing portion and an upright portion; the fixing portion is connected to the vehicle body, the upright portion extends from the fixing portion in a direction away from the vehicle body, and the driving member and the driving gear are respectively arranged on both sides of the upright portion.

3. The underwater cleaning robot according to claim 1, characterized in that: The flow delivery components are evenly spaced around the driving gear.

4. The underwater cleaning robot according to claim 3, characterized in that: The number of the flow delivery components is two, and the two flow delivery components are symmetrically arranged relative to the driving gear.

5. The underwater cleaning robot according to claim 1, characterized in that: The rotating shaft includes a hinged portion, a limiting portion and an extending portion; the hinged portion is rotatably connected to the mounting seat, and the driven gear is sleeved on the outside of the hinged portion; the limiting portion is arranged at one end of the hinged portion away from the mounting seat; the extending portion is arranged on a side of the limiting portion away from the hinged portion, and the blade is sleeved on the outside of the extending portion.

6. The underwater cleaning robot according to claim 5, characterized in that: The hinge part is cylindrical and is provided with a stop groove; the stop groove is long and extends along the central axis of the hinge part; a stop hole is provided on the driven gear, and the shape of the stop hole is the same as the cross-sectional shape of the hinge part.

7. The underwater cleaning robot according to claim 5, characterized in that: The extension part is provided with a cylindrical structure, and a synchronization groove is provided on the extension part; the synchronization groove is in the shape of an elongated strip and extends along the central axis direction of the extension part; a synchronization hole is provided on the blade, and the shape of the synchronization hole is the same as the cross-sectional shape of the extension part.

8. The underwater cleaning robot according to claim 5, characterized in that: Two rotating bearings are arranged on the hinged part, the mounting seat and the two rotating bearings are passed through the hinged part, and the two rotating bearings are respectively arranged on both sides of the mounting seat.

9. The underwater cleaning robot according to claim 8, characterized in that: The hinged part is provided with a clamping groove, and a clamping ring is provided in the clamping groove; the clamping ring is convexly arranged on the outer side of the hinged part, and the clamping ring abuts against one of the rotating bearings away from the limiting part.

10. The underwater cleaning robot according to claim 1, characterized in that: The flow delivery assembly also includes a flow guide cover; the flow guide cover includes a cover portion and a flow guide portion, the cover portion is connected and fixed to the mounting seat, the cover portion is covered on the outside of the blade, the flow guide portion is arranged on the side of the cover portion away from the mounting seat, and the side wall of the cover portion is inclined and gradually shrinks from the mounting seat toward the flow guide portion.

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