CN109723251B - Automatic cleaning vehicle for swimming pool - Google Patents

Automatic cleaning vehicle for swimming pool Download PDF

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Publication number
CN109723251B
CN109723251B CN201910088119.1A CN201910088119A CN109723251B CN 109723251 B CN109723251 B CN 109723251B CN 201910088119 A CN201910088119 A CN 201910088119A CN 109723251 B CN109723251 B CN 109723251B
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reversing
wheel
frame
swimming pool
gear
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CN109723251A (en
Inventor
李定国
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Wenzhou Mixiu Industrial Co ltd
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Wenzhou Mixiu Industrial Co ltd
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Abstract

The invention discloses an automatic cleaning vehicle for a swimming pool, which comprises a vehicle frame, a power assembly, front wheels, two rear wheels and the like, wherein a cam and a reversing gear which are synchronously driven to rotate by the power assembly are arranged on the vehicle frame; the power assembly drives the cam to rotate and is matched with the elastic pushing supporting structure to push the reversing seat to do lifting movement, and then the reversing wheel shaft and the reversing wheel are driven to do synchronous lifting movement; the upward movement of the reversing wheel is separated from the reversing gear or the downward movement of the reversing wheel is meshed with the reversing gear and replaces one of the adjacent rear wheels to roll and walk, and the reversing wheel and the other rear wheel roll in opposite directions, so that the cleaning vehicle can be driven to reverse in timing. The improved structure has the advantages of simple design, low production cost, good durability, high walking speed, high cleaning efficiency, capability of effectively cleaning corners of a swimming pool, large cleaning area coverage, collision-preventing buffer function, long service life and the like.

Description

Automatic cleaning vehicle for swimming pool
Technical Field
The invention relates to an automatic cleaning vehicle, in particular to an automatic cleaning vehicle for a swimming pool, which is used for cleaning the bottom of the swimming pool under water.
Background
At present, a lot of automatic cleaning vehicles for cleaning the underwater pool bottom of a swimming pool are arranged, the structure of the automatic cleaning vehicles is mostly composed of a frame, a power assembly on the frame, a front wheel at the front part of the frame, two rear wheels respectively arranged at two sides of the rear part of the frame and the like, the two rear wheels are driven by the power assembly to form a driving wheel, and the driving wheel can be matched with the front wheel to roll forward so as to push the cleaning vehicles to walk underwater; meanwhile, the automatic cleaning vehicle is also provided with a reversing structure, and can be used for assisting the underwater traveling reversing of the cleaning vehicle, and the common reversing structure is mainly divided into electronic induction type reversing and mechanical water spraying type reversing; the electronic induction type reversing is characterized in that an electronic induction element is arranged at the front part of a frame, when obstacles such as a swimming pool wall are sensed, a power assembly taking a motor as power output can be controlled to drive two rear wheels to reversely rotate so as to realize reversing, and the reversing structure is required to be provided with a precise electronic circuit, so that the structure is complex in structural design, high in production cost, easy to damage after long-term underwater operation and poor in durability, and particularly, the reversing can only be generated when the swimming pool wall is sensed, so that the swimming pool corner cannot be effectively cleaned in actual use, and the swimming pool corner can be repeatedly cleaned in a small area, and the cleaning coverage area is small; the mechanical water spraying type reversing is characterized in that water at a water inlet at the bottom of a frame is sucked out from a water outlet at the top of the frame by utilizing a siphon principle, so that water flowing from the water inlet to the water outlet can drive impellers on the frame to rotate to form power output, the reversing structure is respectively provided with a spraying outlet at the front part and the rear part of the cleaning vehicle, the two spraying outlets are communicated with the water inlet, and can be respectively switched and blocked by a switching baffle, so that the water sucked from the water inlet can be sprayed out from the spraying outlet at the front part or the spraying outlet at the rear part at regular time through the switching baffle, thereby realizing the reversing of the cleaning vehicle.
Meanwhile, the front part of most cleaning vehicles is not designed with an anti-collision structure, and the front part of most cleaning vehicles can directly collide with the swimming pool wall during working, and the larger collision impact force directly acts on the cleaning vehicles, so that the cleaning vehicles influence the compactness of structural assembly due to collision, and the service life is also influenced.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide the automatic swimming pool cleaning vehicle which has the advantages of simple structural design, low production cost, good durability, high walking speed, high cleaning efficiency, capability of effectively cleaning the corners of a swimming pool through timing direction change, large cleaning area coverage, anti-collision buffer function and long service life.
The technical problems of the invention are realized by the following technical scheme:
the automatic swimming pool cleaning vehicle comprises a vehicle frame, a power assembly arranged on the vehicle frame, a front wheel arranged at the front part of the vehicle frame, and two rear wheels respectively arranged at two sides of the rear part of the vehicle frame, wherein the two rear wheels are driven by the power assembly to roll and walk in the same direction, a cam and a reversing gear which are synchronously driven by the power assembly to rotate are also arranged on the vehicle frame, a reversing wheel which is arranged adjacent to one of the rear wheels is arranged at the bottom of the vehicle frame, one end of a reversing wheel shaft of the reversing wheel is rotatably supported in a U-shaped groove at the bottom of the vehicle frame, and the other end of the reversing wheel shaft is rotatably supported in a reversing seat; the top of the reversing seat is supported by the elastic pushing of the bottom of the reversing seat and is in rolling contact with the outer circumferential surface of the cam; the power assembly drives the cam to rotate and is matched with the elastic pushing supporting structure to push the reversing seat to do lifting movement, so that the reversing wheel shaft and the reversing wheel are driven to do synchronous lifting movement; the reversing wheel moves upwards to be separated from the reversing gear or moves downwards to be meshed with the reversing gear and replaces one of the adjacent rear wheels to roll and walk, and the reversing wheel and the other rear wheel roll reversely to drive the cleaning vehicle to form reversing.
The outer circumferential surface of the cam is composed of a plurality of top arc edges and bottom arc edges arranged between every two adjacent top arc edges, each top arc edge has different arc lengths, and the arc length of each top arc edge controls the reversing angle of the cleaning vehicle; each bottom arc edge has different arc lengths, and the arc length of the bottom arc edge controls the walking distance of the cleaning vehicle after the cleaning vehicle is changed.
The front part of the frame is provided with a plurality of front anti-collision wheels which collide with the swimming pool wall to roll along the swimming pool wall, so as to control the traveling reversing of the cleaning vehicle.
The elastic pushing supporting structure comprises a spring hole which is arranged at the bottom of the reversing seat and is provided with a downward opening, a supporting spring is arranged in the spring hole, the upper end of the supporting spring is elastically pushed onto the reversing seat, and the lower end of the supporting spring is elastically pushed onto a fixed bottom plate at the bottom of the frame; the top of the reversing seat is provided with a roller which is in rolling contact with the outer circumferential surface of the cam.
The power assembly comprises an impeller shaft horizontally and horizontally arranged on the frame and an impeller fixed on the impeller shaft; the frame is enclosed by an upper cover plate and a lower cover plate which are buckled integrally, a water inlet is arranged on the lower cover plate below the impeller, and a water outlet is arranged on the upper cover plate above the impeller; the impeller is driven to rotate by the water flow flowing from the water inlet to the water outlet, so that the impeller shaft is driven to synchronously rotate.
The frame is provided with a driving shaft parallel to the impeller shaft, a speed change gear set which is meshed with each other and used for power transmission is arranged between the driving shaft and the impeller shaft, two ends of the driving shaft are respectively provided with a rear drive gear which is installed in a transmission way, and the two rear wheels are respectively meshed with the rear drive gears at two ends of the driving shaft correspondingly and roll and walk in the same direction under the driving action of the two rear drive gears.
The bottom of the frame is provided with a reversing gear shaft parallel to the driving shaft, a two-stage speed-change duplex gear set which is meshed with each other and used for power transmission is arranged between the driving shaft and the reversing gear shaft, and the output shaft of the two-stage speed-change duplex gear set is provided with a cam matched with a reversing seat; the reversing gear is arranged on the reversing gear shaft in a transmission way.
The rear wheel and the inner end face of the reversing wheel are respectively provided with a concentric gear ring, the rear driving gear is meshed with the gear rings of the inner end face of the rear wheel, and the reversing gear is meshed with or separated from the gear rings of the inner end face of the reversing wheel.
The upper cover plate is provided with a dirt collecting box, and the rear part of the upper cover plate is provided with a handle; the bottom surface of the lower cover plate is provided with a plurality of sections of brush strips, and the sections of brush strips are distributed at the rear side of the water inlet to form a splayed shape which is semi-enclosed forwards.
The front wheel is a universal roller arranged at the center of the bottom surface of the front part of the frame, and bottom anti-collision wheels respectively positioned at two sides of the universal roller are also arranged on the bottom surface of the front part of the frame.
Compared with the prior art, the invention mainly designs an automatic swimming pool cleaning device which can push a cleaning vehicle to walk under the water of a swimming pool through a siphon principle and can automatically reverse at fixed time, the structure of the swimming pool cleaning device comprises a frame, a power assembly, a front wheel, two rear wheels and the like, a cam and a reversing gear which are synchronously driven by the power assembly to rotate are additionally arranged on the frame, the bottom of the frame is provided with the reversing wheel which is arranged adjacent to one of the rear wheels, one side of the reversing wheel is provided with a reversing seat, the bottom of the reversing seat is provided with an elastic pushing supporting structure, and the top of the reversing seat is elastically contacted with the outer circumferential surface of the cam in a rolling manner; when the reversing seat is in rolling contact with the bottom arc edge on the outer circumferential surface of the cam, the reversing seat and the reversing wheel synchronously ascend to move and separate from the reversing gear, namely the reversing wheel stops rotating in the state and does not form reversing; when the top arc edge on the outer circumferential surface of the cam is in rolling contact with the reversing seat, the reversing seat and the reversing wheel synchronously descend to move and mesh with the reversing gear, and meanwhile, one of the adjacent rear wheels is lifted and separated from the bottom of the pool, namely, the adjacent rear wheel is replaced to roll and walk, the reversing wheel and the rest rear wheels roll reversely, and at the moment, one rear wheel and one reversing wheel which roll reversely can drive the cleaning vehicle to form reversing. The improved swimming pool automatic cleaning vehicle has the advantages of simple structural design, low production cost, good durability, high walking speed, high cleaning efficiency, capability of effectively cleaning the corners of the swimming pool through timing direction change, large cleaning area coverage and the like. In addition, the front part of the frame is provided with a plurality of front anti-collision wheels, so that collision impact force can be converted into traveling reversing of the cleaning vehicle when the cleaning vehicle runs and collides with the swimming pool wall, thereby playing a role in collision buffering and prolonging the service life of the cleaning vehicle.
Drawings
Fig. 1 is a front view of the present invention.
Fig. 2 is a top view of fig. 1.
Fig. 3 is a cross-sectional view a-a of fig. 2 (rotated 180 deg. counterclockwise).
Fig. 4 is a sectional view B-B of fig. 2.
Fig. 5 is a schematic view of the structure of fig. 2 with the upper and lower cover plates removed.
Fig. 6 is a bottom view of fig. 1.
Fig. 7 is a perspective view of fig. 1.
Fig. 8 is an exploded perspective view of fig. 1.
Fig. 9 is a schematic view of the structure of the present invention using the second upper cover plate profile.
Fig. 10 is a schematic view of the structure of the present invention using the shape of the third upper cover plate.
Fig. 11 is a schematic structural view of the reversing gear in a disengaged state with the reversing wheel.
Fig. 12 is a schematic diagram of a structure in which the reversing gear is in engagement with the reversing wheel.
Fig. 13 is a schematic structural view of the reversing seat.
Fig. 14 is a right side view of fig. 13.
Fig. 15 is a perspective view of one of the views of fig. 13.
Fig. 16 is another perspective view of fig. 13.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the drawings.
As shown in FIGS. 1-16, 1. Upper cover plate, 11. Water outlet, 12. Handle, 13. Dirt collecting box, 2. Lower cover plate, 21. Brush bar, 22. Bottom anti-collision wheel, 23. Fixed bottom plate, 24. Water inlet, 25.U groove, 3. Frame, 31. Front wheel, 32. Rear wheel, 321. Anti-collision protrusion, 33. Front anti-collision wheel, 4. Driving shaft, 41. Rear drive gear, 42. Speed change gear set, 5. Two-stage speed change double gear set, 51. Output shaft, 6. Cam, 7. Reversing gear shaft, 71. Reversing gear, 8. Reversing seat, 81. Idler wheel, 82. Supporting spring, 83. Reversing wheel shaft, 84. Reversing wheel, 85. Spring hole, 9. Power component, 91. Impeller shaft, 92. Impeller.
The utility model provides a swimming pool self-cleaning car, as shown in fig. 1-8, relates to a swimming pool self-cleaning device that promotes the cleaning car through the siphon principle and walks under the swimming pool and can regularly automatic switching-over, and its structure includes frame 3, installs power pack 9 on the frame, installs the front wheel 31 in frame 3 front portion and two rear wheels 32 of installing respectively in frame 3 rear portion both sides.
The frame 3 is formed by closing an upper cover plate 1 and a lower cover plate 2 which are fastened integrally, wherein the upper cover plate 1 and the lower cover plate 2 are made of high-quality plastics, the upper cover plate 1 can be designed into three types in the embodiment, as shown in fig. 7, 9 and 10, a dirt collecting box 13 is further arranged on the upper cover plate 1 shown in fig. 10, and can be used for temporarily storing dirt filtered in sucked water flow, and a handle 12 is arranged at the rear part of the upper cover plate 1, so that a user can conveniently and easily carry the whole cleaning vehicle.
The power assembly 9 comprises an impeller shaft 91 horizontally and horizontally arranged on the frame 3 and an impeller 92 fixed in the middle of the impeller shaft, a water inlet 24 is arranged on the lower cover plate 2 below the impeller, a water outlet 11 is arranged on the upper cover plate 1 above the impeller 92, suction force is only required to be applied to the water outlet 11, and the impeller 92 can be driven to rotate by water flowing from the water inlet 24 to the water outlet 11, so that the impeller shaft 91 is driven to synchronously rotate, namely, the power output of the power assembly 9 is realized.
Meanwhile, the bottom surface of the lower cover plate 2 is provided with a plurality of sections of brush strips 21, in this embodiment, three sections of brush strips 21 are designed together, namely, one brush strip is centered, two brush strips are respectively arranged on two sides, and the three sections of brush strips 21 are distributed into a splayed shape which is semi-enclosed forward at the rear side of the water inlet 24, so when the cleaning vehicle walks forward, dirt at the bottom of the swimming pool can be swept up by the splayed shape formed by the three sections of brush strips 21, and then the dirt is sucked into the cleaning vehicle along with water flow through the water inlet 24 for filtering and purifying.
The frame 3 is provided with a driving shaft 4 which is positioned behind the impeller shaft 91 and is parallel to the impeller shaft, two ends of the driving shaft are respectively rotatably supported on bearings of the frame 3, and a transmission gear set 42 which is meshed with each other is arranged between the driving shaft 4 and the impeller shaft 91, so that the output power of the impeller shaft 91 can be transmitted to the driving shaft 4 through the transmission gear set 42 to drive the driving shaft to rotate; the two ends of the driving shaft 4 are respectively provided with a rear drive gear 41 which is arranged in a transmission way, and the two rear drive gears can be driven by the driving shaft 4 to synchronously rotate.
And, two rear drive gears 41 correspond with two rear wheels 32 respectively, all are equipped with the ring gear that sets up on the interior terminal surface of every rear wheel 32 concentrically, so two rear drive gears 41 mesh the ring gear of corresponding rear wheel 32 interior terminal surface respectively to drive two rear wheels 32 and roll in the same direction, namely two rear wheels 32 are driven by power pack 9 and are formed the same direction and roll in the same direction, and cooperation front wheel 31 rolls forward together and just can promote the walking under water of cleaning cart.
The outer side surfaces of the two rear wheels 32 are respectively provided with a circle of anti-collision rings which are close to the wheel edges and are formed by a plurality of anti-collision protrusions 321, and the anti-collision rings can play a role in buffering the outer side surfaces of the rear wheels 32 from colliding with the swimming pool walls, so that the outer wheels 32 are better protected.
The bottom of the frame 3 is provided with a reversing gear shaft 7 parallel to the driving shaft 4, the reversing gear shaft is rotatably supported by a pair of bearings on the frame 3, a two-stage speed change duplex gear set 5 meshed with each other is arranged between the driving shaft 4 and the reversing gear shaft 7, so that the output power of the driving shaft 4 can be transmitted to the reversing gear shaft 7 through the two-stage speed change duplex gear set 5, and a reversing gear 71 which is arranged in a transmission way is arranged at the end part of the reversing gear shaft 7, and the reversing gear can be driven to synchronously rotate by the reversing gear shaft 7.
One output shaft 51 of the two-stage speed change duplex gear set 5 is provided with a cam 6 which is arranged in a transmission way, so that the cam 6 and the reversing gear 71 are synchronously driven to rotate by the power assembly 9.
The bottom of the frame 3 is provided with a reversing wheel 84 which is adjacently arranged with one of the rear wheels 32, namely, the rear wheel 32 which is close to the right side and is shown in fig. 3, 5 and 6 is adjacently arranged, one end, namely, the inner end, of a reversing wheel shaft 83 of the reversing wheel 84 is rotatably supported in the U groove 25 of the bottom of the frame 3, particularly the lower cover plate 2, and is limited to the structural specificity of the U groove, and one end of the reversing wheel shaft 83 can rotate in the U groove 25 and can move up and down in the U groove 25; the other end, namely the outer end, of the reversing wheel shaft 83 is rotatably supported in the reversing seat 8; the inner end surfaces of the reversing gears 84 adjacent to the reversing gears 71 are provided with concentrically arranged gear rings, and the reversing gears 71 are engaged with or disengaged from the gear rings of the inner end surfaces of the reversing gears 84.
The bottom of the reversing seat 8 is provided with an elastic pushing supporting structure, as shown in fig. 13-16, the elastic pushing supporting structure comprises two spring holes 85 which are arranged at the bottom of the reversing seat 8 and are downwards opened, the positions of the two spring holes 85 are symmetrically distributed at two sides of the bottom of the reversing seat 8 by taking an installed reversing wheel shaft 83 as a center, a supporting spring 82 is installed in each spring hole 85, the upper end of the supporting spring is elastically pushed onto the reversing seat 8, and the lower end of the supporting spring 82 is elastically pushed onto a fixed bottom plate 23 at the bottom of the frame 3; therefore, the whole reversing seat 8 is normally supported by the two supporting springs 82 at the bottom together in an elastic upward pushing manner; the top of the reversing seat 8 is provided with a roller 81 which is in elastic rolling contact with the outer circumferential surface of the cam 6.
The outer circumferential surface of the cam 6 is composed of a plurality of top arc edges 62 and bottom arc edges 61 arranged between every two adjacent top arc edges, three top arc edges 62 and three bottom arc edges 61 are designed in the embodiment, each top arc edge 62 has different arc lengths, and the arc length of the top arc edge 62 is mainly used for controlling the reversing angle of the cleaning vehicle; each bottom arc edge 61 also has a different arc length, and the arc length of the bottom arc edge 61 is mainly used for controlling the travel distance of the cleaning vehicle after the steering.
The power assembly 9 drives the cam 6 to rotate and is matched with the elastic pushing supporting structure to push the reversing seat 8 to perform lifting movement, so that the reversing wheel shaft 83 and the reversing wheel 84 are driven to perform synchronous lifting movement, namely vertical displacement is generated.
The specific working process is as follows: the power component 9 drives the cam 6 to rotate, when the bottom arc edge 61 on the outer circumferential surface of the cam is in rolling contact with the roller 81 of the reversing seat 8 as shown in fig. 11, the reversing seat 8 and the reversing wheel 84 are pushed upwards by the elastic pushing supporting structure to synchronously move upwards and separate from the reversing gear 71, namely the reversing wheel 84 stops rotating in the state and does not form reversing, and at the moment, the reversing wheel 84 can play a role of bottom collision prevention; when the top arc edge 62 on the outer circumferential surface of the cam 6 is in rolling contact with the roller 81 of the reversing seat 8 as shown in fig. 12, the reversing seat 8 and the reversing wheel 84 synchronously descend to mesh with the reversing gear 71 to rotate, and meanwhile, one of the adjacent rear wheels 32 is lifted off the bottom of the pool to lose the grip, that is, the adjacent rear wheel 32 is replaced by rolling and walking, and the reversing wheel 84 and the other rear wheel 32 are in reverse rolling, at the moment, one reversing wheel 84 rolls and walks backwards, the other rear wheel 32 rolls forwards still, and the interaction of the two forces can lead to the rotation reversing of the cleaning vehicle, so that the function of automatic reversing is realized.
The cam 6 rotates through the power input steadily, so the cleaning vehicle can automatically reverse and change tracks at regular time in the swimming pool, and the aims of cleaning the whole swimming pool and increasing the cleaning coverage area are achieved.
The front part of the frame 3 is provided with a plurality of front anti-collision wheels 33, the embodiment designs three front anti-collision wheels 33 altogether, the three front anti-collision wheels 33 are respectively positioned in the middle of the front part of the frame 3 and on two sides of the front part of the frame, when the three front anti-collision wheels 33 of the cleaning vehicle in walking collide with the swimming pool wall, the front collision impact force of the cleaning vehicle can be converted into rotary reversing force through the three front anti-collision wheels 33, and the embodiment is that: the front anti-collision wheel 33 in the middle collides with the swimming pool wall, the front anti-collision wheel 33 in the middle converts collision impact force into rotary reversing force according to the collision angle, then in the reversing position adjusting process, the front anti-collision wheel 33 on one side part is close to the swimming pool wall and rolls along the swimming pool wall along with the front anti-collision wheel 33 in the middle, finally the flexible reversing of the cleaning vehicle when the cleaning vehicle finishes walking is controlled, the collision buffering effect is also achieved, the service life of the cleaning vehicle is prolonged, and the corners of the swimming pool can be cleaned when the cleaning vehicle rolls and walks along with the swimming pool wall, so that the swimming pool is cleaned more comprehensively.
The front wheel 31 is designed into a universal roller arranged at the center of the front bottom surface of the frame 3, which can improve the flexibility of the traveling direction of the cleaning vehicle, the front bottom surface of the frame 3, in particular the front bottom surface of the lower cover plate 2, is also provided with bottom anti-collision wheels 22 respectively positioned at two sides of the universal roller, and each bottom anti-collision wheel is fastened and installed by bolts, thus being capable of protecting the traveling of the universal roller.
The invention can automatically walk and automatically clean dirt at the bottom of the swimming pool, realizes timing automatic reversing, and has the advantages of simple structural design, low production cost, good durability, high walking speed, high cleaning efficiency, effective cleaning of corners of the swimming pool and the like.
The foregoing is merely a specific embodiment of the present invention, and it should be understood by those skilled in the art that any structural design equivalent to the embodiment is included in the scope of the present invention.

Claims (10)

1. The utility model provides a swimming pool self-cleaning car, includes frame (3), installs power component (9) on the frame, installs front wheel (31) and two rear wheels (32) of installing respectively in frame (3) rear portion both sides in the front portion of frame (3), and these two rear wheels receive power component (9) to drive action homodromous roll walking, its characterized in that:
a. the frame (3) is also provided with a cam (6) and a reversing gear (71) which are synchronously driven to rotate by a power component (9), the bottom of the frame (3) is provided with a reversing wheel (84) which is adjacently arranged with one of the rear wheels (32), one end of a reversing wheel shaft (83) of the reversing wheel is rotatably supported in a U-shaped groove (25) at the bottom of the frame (3), and the other end of the reversing wheel shaft (83) is rotatably supported in a reversing seat (8);
b. the bottom of the reversing seat (8) is provided with an elastic pushing supporting structure, and the top of the reversing seat (8) is supported by the elastic pushing of the bottom of the reversing seat and is in rolling contact with the outer circumferential surface of the cam (6); the power assembly (9) drives the cam (6) to rotate and push the reversing seat (8) to lift by matching with the elastic pushing supporting structure, so as to drive the reversing wheel shaft (83) and the reversing wheel (84) to synchronously lift;
c. the reversing wheel (84) moves up and away from the reversing gear (71) or the reversing wheel (84) moves down and engages the reversing gear (71) and rolls and walks instead of one of the adjacent rear wheels (32), and the reversing wheel (84) and the other rear wheel (32) roll in the opposite direction to drive the cleaning vehicle to reverse.
2. The automatic swimming pool cleaning vehicle according to claim 1, wherein the outer circumference of the cam (6) is composed of a plurality of top arc edges (62) and a bottom arc edge (61) arranged between every two adjacent top arc edges, each top arc edge (62) has different arc lengths, and the arc length of the top arc edge (62) controls the reversing angle of the cleaning vehicle; each bottom arc edge (61) has different arc lengths, and the arc length of the bottom arc edge (61) controls the walking distance of the cleaning vehicle after the steering.
3. A swimming pool automatic cleaning vehicle according to claim 1, wherein the front part of the frame (3) is provided with a plurality of front anti-collision wheels (33), and the front anti-collision wheels collide with the swimming pool wall to roll along the swimming pool wall, so as to control the traveling direction change of the cleaning vehicle.
4. The automatic swimming pool cleaning vehicle according to claim 1, wherein the elastic pushing support structure comprises a spring hole (85) which is arranged at the bottom of the reversing seat (8) and is downward opened, a support spring (82) is arranged in the spring hole, the upper end of the support spring is elastically pushed onto the reversing seat (8), and the lower end of the support spring (82) is elastically pushed onto a fixed bottom plate (23) at the bottom of the frame (3); the top of the reversing seat (8) is provided with a roller (81), and the roller is in rolling contact with the outer circumferential surface of the cam (6).
5. A swimming pool robot cleaner according to claim 1, wherein the power assembly (9) comprises an impeller shaft (91) horizontally mounted on the frame (3) and an impeller (92) fixed on the impeller shaft; the frame (3) is enclosed by an upper cover plate (1) and a lower cover plate (2) which are buckled integrally, a water inlet (24) is arranged on the lower cover plate (2) below the impeller (92), and a water outlet (11) is arranged on the upper cover plate (1) above the impeller (92); the impeller (92) is driven to rotate by the water flow flowing from the water inlet (24) to the water outlet (11), so that the impeller shaft (91) is driven to synchronously rotate.
6. The automatic swimming pool cleaning vehicle according to claim 5, wherein the frame (3) is provided with a driving shaft (4) parallel to the impeller shaft (91), a speed change gear set (42) which is meshed with each other and drives power is arranged between the driving shaft and the impeller shaft (91), two ends of the driving shaft (4) are respectively provided with a rear drive gear (41) which is installed in a transmission way, and two rear wheels (32) are respectively meshed with the rear drive gears (41) at two ends of the driving shaft (4) correspondingly and are driven by the two rear drive gears (41) to roll and walk in the same direction.
7. The swimming pool automatic cleaning vehicle according to claim 6, characterized in that the bottom of the frame (3) is provided with a reversing gear shaft (7) parallel to the driving shaft (4), a two-stage speed-changing duplex gear set (5) which is meshed with each other and used for power transmission is arranged between the driving shaft (4) and the reversing gear shaft (7), and the output shaft (51) of the two-stage speed-changing duplex gear set is provided with a cam (6) matched with a reversing seat (8); the reversing gear (71) is arranged on the reversing gear shaft (7) in a transmission way.
8. The automatic swimming pool cleaning vehicle as recited in claim 6, wherein the inner end surfaces of the rear wheel (32) and the reversing wheel (84) are respectively provided with a concentric gear ring, the rear driving gear (41) is meshed with the gear ring of the inner end surface of the rear wheel (32), and the reversing gear (71) is meshed with or separated from the gear ring of the inner end surface of the reversing wheel (84).
9. The automatic swimming pool cleaning vehicle according to claim 5, wherein the upper cover plate (1) is provided with a dirt collecting box (13), and the rear part of the upper cover plate (1) is provided with a handle (12); the bottom surface of the lower cover plate (2) is provided with a plurality of sections of brush strips (21), and the sections of brush strips are distributed at the rear side of the water inlet (24) to form a splayed shape which is semi-enclosed forwards.
10. The automatic swimming pool cleaning vehicle according to claim 1, wherein the front wheel (31) is a universal roller arranged at the center of the bottom surface of the front part of the frame (3), and the bottom anti-collision wheels (22) respectively arranged at two sides of the universal roller are arranged on the bottom surface of the front part of the frame (3).
CN201910088119.1A 2019-01-29 2019-01-29 Automatic cleaning vehicle for swimming pool Active CN109723251B (en)

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Application Number Priority Date Filing Date Title
CN201910088119.1A CN109723251B (en) 2019-01-29 2019-01-29 Automatic cleaning vehicle for swimming pool

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CN109723251B true CN109723251B (en) 2023-10-20

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