CN219118890U

CN219118890U - Swimming pool cleaner

Info

Publication number: CN219118890U
Application number: CN202320243292.6U
Authority: CN
Inventors: 魏恩雨; 徐浩; 张慧鑫; 彭宇; 袁银平; 杨旭
Original assignee: Yuanda Health Technology Tianjin Co ltd
Current assignee: Yuanda Health Technology Tianjin Co ltd
Priority date: 2023-02-17
Filing date: 2023-02-17
Publication date: 2023-06-02
Anticipated expiration: 2033-02-17

Abstract

The utility model discloses a swimming pool cleaning machine, which belongs to the technical field of swimming pool cleaning and comprises a shell, a travelling device and a filter screen, wherein the filter screen divides the space in the shell into a water inlet cavity and a water outlet cavity, the water inlet cavity is communicated with a water inlet, two groups of power components with opposite driving directions are arranged in the water outlet cavity, the power components comprise impellers and a water outlet runner, the water outlet runner comprises a spiral part and a direct current part which are sequentially communicated, the inlet of the impellers is communicated with the water outlet cavity, the outlet of the impellers is communicated with the spiral part, the direct current part is connected with a water outlet, the direct current part deflects to the outer side of the spiral direction of the spiral part, a steering stress part is formed at the junction of the direct current part and the spiral part, and the water outlet is led to the outside of the shell and is opposite to the travelling direction of the travelling device. The utility model uses water flow to form impact on the steering stress part, so that the swimming pool cleaner can deflect towards the impact direction, finally forms a zigzag travel route, does not need to arrange additional electronic elements such as steering, state monitoring and the like, and can reduce the cost.

Description

Swimming pool cleaner

Technical Field

The utility model relates to the technical field of swimming pool cleaning, in particular to a swimming pool cleaning machine.

Background

Dust, impurities, garbage and the like often enter the swimming pool, so that the environment of the swimming pool is polluted, the experience of players is affected, and therefore, the swimming pool needs to be cleaned regularly. At present, most of swimming pool cleaning is performed by manpower, but the problems of inconvenient cleaning, manpower resource waste and the like exist. There is also the underwater robot on the ground of clean swimming pool in the market, utilize underwater robot to clean private swimming pool or public swimming pool, swimming pool cleaning robot not only can use manpower sparingly, compares the clean more thoroughly of manpower cleaning underwater robot moreover, consequently, adopts swimming pool cleaning robot to replace the clean swimming pool of manpower to be the trend of development.

When utilizing swimming pool cleaning robot to clean the swimming pool, in order to reach the clearance effect at no dead angle, the key is that the cleaning route of swimming pool cleaning robot need be designed. The Chinese patent with the issued publication number of CN114895691B discloses a path planning method and a path planning device for a swimming pool cleaning robot, wherein a plurality of control units are arranged to control the robot to detect a target and a walking path, and the position to be moved are determined by means of electronic means. This scheme is through path planning, can comparatively accurate control robot's walking position, satisfies the clear purpose of everywhere to the swimming pool, but to too much control unit and electronic component's setting, can show the increase cost, is unfavorable for using widely, and in addition, the electric control walking direction obviously can increase the complexity of structure, still can increase the fault rate when the cost increases.

For another example, chinese patent application publication No. CN114233063a discloses a swimming pool cleaning robot and a steering method, which includes a cleaning robot body, and an angle sensor, a gyro sensor and an acceleration sensor disposed inside the cleaning robot body, and further includes a sonar one and a sonar two fixed on the advancing side of the cleaning robot body. This scheme has set up accurate electronic component, does not need to carry out the route planning, can directly use in the swimming pool, however, like the aforesaid patent of granting the bulletin number CN114895691B, has adopted a large amount of electronic components, causes the increase of cost, and the steering system is also comparatively complicated.

In summary, in the prior art, the way of path planning or electronic component recognition control is often adopted for the route control of the swimming pool robot, which can certainly increase a complex control system and a steering system, and the electronic component with higher price is applied, which is unfavorable for the cost control, so how to better realize the walking of the swimming pool robot on the basis of simple structure and lower cost is a technical problem in the field.

Disclosure of Invention

The utility model aims to provide a swimming pool cleaner, which solves the problems in the prior art, and the design of the water outlet flow channel is provided with a spiral part and a direct current part, so that a steering stress part can be formed between the spiral part and the direct current part, and the impact on the steering stress part is formed by flowing water flow when the water body in the swimming pool is extracted and filtered, so that the swimming pool cleaner can deflect towards the impact direction, a zigzag travel route is finally formed, and additional electronic elements such as steering, state monitoring and the like are not required to be arranged, and the cost can be reduced.

In order to achieve the above object, the present utility model provides the following solutions:

the utility model provides a swimming pool cleaning machine, which comprises a shell, a travelling device arranged at the bottom of the shell and a filter screen arranged in the shell, wherein the filter screen divides the space in the shell into a water inlet cavity and a water outlet cavity, the water inlet cavity is communicated with a water inlet at the bottom of the shell, two groups of power components with opposite driving directions are arranged in the water outlet cavity, the power components comprise impellers and a water outlet runner, the water outlet runner comprises a spiral part and a direct current part which are sequentially communicated, an inlet of the impellers is communicated with the water outlet cavity, an outlet of the impellers is communicated with the spiral part, the direct current part is connected with a water outlet, the direct current part deflects to the outer side of the spiral direction of the spiral part, a steering force part is formed at the junction of the direct current part and the spiral part, and the water outlet is led to the outside of the shell and is opposite to the travelling direction of the travelling device.

Preferably, the water inlet is positioned at the right side of the travelling direction of the travelling device, the steering force receiving part receives a counterclockwise deflection force, or the water inlet is positioned at the left side of the travelling direction of the travelling device, and the steering force receiving part receives a clockwise deflection force; the rear side of the water inlet is provided with a scraping plate.

Preferably, the travelling device comprises a travelling wheel, the travelling wheel is rotatably mounted on a wheel frame through a wheel shaft, a positioning block and an annular groove are arranged at the top end of the wheel frame, a positioning groove is arranged on the shell corresponding to the positioning block, a first buckle is arranged corresponding to the annular groove, and the first buckle is clamped into the annular groove to fix the wheel frame; the wheel carrier is provided with a large through hole and a small through hole which are used for penetrating through the wheel shaft, the wheel shaft comprises a small diameter part and a large diameter part which are connected with each other, the diameter of the small diameter part is smaller than that of the small through hole, and the diameter of the large diameter part is between the small through hole and the large through hole.

Preferably, the walking wheels are distributed in a cross shape at the outer bottom of the shell, the gravity centers of the front walking wheels and the rear walking wheels are offset, and the gravity centers are offset to one side of the water inlet.

Preferably, a flow dividing plate parallel to the extending direction of the direct current part is arranged in the direct current part, the water outlet adopts a flaring structure, the water outlet is hinged with an outward opening baffle, the hinge position is positioned at the upper part of the outward opening baffle, and the outward opening baffle seals the water outlet by means of self weight when no water flow impacts.

Preferably, the shell is provided with a wall-touching induction component, the wall-touching induction component comprises a swinging part which is rotatably arranged on the shell and a Hall induction probe which is fixedly arranged on the shell, the swinging part comprises a rotating part, a resistance plate and a magnet seat, wherein the resistance plate is connected with the rotating part, the magnet seat is provided with a magnet, the resistance plate is positioned in a wall-touching detection water channel which is communicated with the front and the back, when the resistance plate is acted by water flow, the magnet deflects and is separated from the Hall induction probe, and when the resistance plate is not acted by water flow, the magnet corresponds to the Hall induction probe.

Preferably, the device comprises an arc-shaped groove, a central shaft is rotatably arranged on two side walls of the arc-shaped groove, the rotating part is rotatably sleeved on the central shaft, shaft shoulders are respectively arranged at two ends of the central shaft, the two shaft shoulders are rotatably clamped on two side walls of the arc-shaped groove, and the distance between the shaft shoulders is larger than the axial width of the swinging piece.

Preferably, the magnet seat comprises a swing arm connected to the rotating part and close to one side of the Hall sensing probe and a magnet mounting part connected to the swing arm, the upstream surface of the swing arm is in a wedge shape, the magnet is arranged on one side of the magnet mounting part close to the Hall sensing probe, and a first balancing weight is arranged on one side of the magnet mounting part far away from the Hall sensing probe.

Preferably, the water inlet is hinged to be provided with an inner open baffle, the inner open baffle is connected with a limiting part, the opening angle of the inner open baffle is limited to be smaller than ninety degrees through the limiting part, and the inner open baffle seals the water inlet by means of self weight when no water flow impacts.

Preferably, the top of the shell is provided with a U-shaped handle, two supporting legs of the U-shaped handle are hinged to the shell, and the top of the U-shaped handle is hollow and is sealed through a handle cover plate.

Compared with the prior art, the utility model has the following technical effects:

(1) According to the utility model, the water outlet flow channel is designed to be provided with the spiral part and the direct current part, so that the steering stress part can be formed between the spiral part and the direct current part, the impact on the steering stress part is formed by flowing water flow when the water body in the swimming pool is extracted and filtered, the swimming pool cleaner can deflect towards the impact direction, a zigzag travel route is finally formed, and additional electronic elements such as steering, state monitoring and the like are not required to be arranged, so that the complexity of the structure is reduced, and the manufacturing cost is reduced;

(2) According to the utility model, the water inlets are distinguished according to the arrangement positions of different water inlets, when the water inlets are arranged on the right side, the water inlets are matched with anticlockwise deflection, when the water inlets are arranged on the left side, the water inlets are matched with clockwise deflection, no matter which form is adopted, the water inlets can be positioned on the outer diameter side of the deflection radian, and the scraping plates are further arranged on the rear side of the water inlets, so that the dirt on the ground of the swimming pool can be better cleaned by utilizing the relationship between the scraping plates and the water inlets and the travelling direction;

(3) The travelling wheels are distributed in a cross shape at the outer bottom of the shell, the centers of gravity of the travelling wheels at the front side and the rear side are offset, the centers of gravity are offset to one side of the water inlet, when the swimming pool cleaner travels, the water inlet side can be better supported due to relatively larger resistance at the water inlet side, meanwhile, the deflection resistance caused by the travelling wheels can be reduced under the action of deflection force applied to the steering stress part, the deflection is better realized, and the micro-arc of the swimming pool cleaner is kept;

(4) According to the utility model, the rotating part of the swinging piece is rotationally connected with the central shaft to form one-stage rotational connection, the central shaft is rotationally connected with the arc-shaped groove to form one-stage rotational connection, so that two-stage rotational connection can be formed, when one-stage rotation is influenced by sundries and cannot rotate, the other-stage rotation can be utilized, the occurrence of swinging clamping stagnation of the swinging piece is avoided, and the stable operation of the wall-touching induction component is ensured; in addition, the distance between the two shaft shoulders of the central shaft is larger than the axial width of the swinging piece, so that the supporting effect on the two side walls of the arc-shaped groove can be achieved when the arc-shaped groove deforms and contracts, the influence on the swinging of the swinging piece caused by the two side walls of the arc-shaped groove is avoided, and the operation reliability of the wall-touching induction assembly is further improved;

(5) According to the utility model, the swing arm is arranged on one side close to the Hall sensing probe, so that the stability of the distance between the magnet and the Hall sensing probe can be ensured, and the influence on the sensing accuracy of the touch wall sensing assembly caused by dislocation of the distance between the magnet and the Hall sensing probe due to factors such as deformation of the swing arm is avoided; meanwhile, the upstream surface of the swing arm is arranged in a wedge shape, so that the swing resistance can be further reduced, and the reliability of the wall contact sensing assembly is improved;

(6) According to the utility model, the water inlet is plugged by the internal opening baffle, when water is pumped, water can smoothly enter the water inlet cavity through the water inlet, the opening angle of the internal opening baffle can be limited by the limiting part, and the problem that the water inlet cannot be sealed by self weight due to overlarge opening, so that filtered dirt in the water inlet cavity is discharged again is avoided, so that the smooth operation of a cleaning process can be ensured;

(7) According to the utility model, the U-shaped handle is arranged at the top of the shell, the hollow part is arranged at the top of the U-shaped handle, the U-shaped handle can naturally float in water to form a vertical state, and when taking out, charging or maintenance is required, the U-shaped handle can be clamped by a tool conveniently to grasp the swimming pool cleaner at the bottom of the swimming pool, so that the convenience of operation is improved.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of the front structure of the present utility model;

FIG. 2 is a schematic view of the bottom structure of the present utility model;

FIG. 3 is a schematic view of the water channel structure shown in FIG. 1;

FIG. 4 is a top view of FIG. 3;

FIG. 5 is a schematic view of the structure of the utility model with the upper housing removed;

FIG. 6 is a schematic view of the control cabin cover plate of FIG. 5 removed;

FIG. 7 is a schematic view of an exploded view of the U-handle of the present utility model;

FIG. 8 is a schematic view of the internal structure of the upper housing of the present utility model;

FIG. 9 is a schematic view of an integrated grille plate structure in accordance with the present utility model;

FIG. 10 is a schematic view of an arcuate slot structure of the present utility model;

FIG. 11 is a schematic view of a portion of a touch-wall sensing assembly according to the present utility model;

FIG. 12 is a schematic view of a swing member structure according to the present utility model;

FIG. 13 is a schematic view of the running gear of the present utility model;

FIG. 14 is a schematic cross-sectional view of FIG. 13;

FIG. 15 is a schematic view showing the internal structure of the lower housing of the present utility model;

FIG. 16 is a schematic view of an internal open baffle structure according to the present utility model;

FIG. 17 is a schematic diagram of a second exemplary embodiment of a counterweight;

FIG. 18 is a schematic view of an impeller according to the present utility model;

wherein, 1, upper shell; 11. a second buckle; 12. an indicator light; 13. a switch; 14. u-shaped handles; 141. a handle cover plate; 15. a water outlet flow passage; 151. a diverter plate; 152. a spiral part; 153. a direct current part; 154. a steering force receiving portion; 16. touching the wall to detect the water course; 2. a lower housing; 21. a water inlet; 22. a scraper; 23. a charging port; 24. an inwardly opened baffle; 241. a limit part; 25. a first buckle; 26. a positioning groove; 3. a walking device; 31. a wheel axle; 32. a walking wheel; 33. a wheel carrier; 331. an annular groove; 332. a positioning block; 4. an integral grating plate; 41. a protective grille; 42. a water outlet; 43. a partition plate; 44. an outward opening baffle; 5. an impeller; 51. an inlet; 52. an outlet; 6. a touch wall sensing assembly; 61. an arc-shaped groove; 62. a swinging member; 621. a resistance plate; 622. a rotating part; 623. a swing arm; 624. a magnet mounting portion; 63. a central shaft; 7. a filter screen; 8. a control cabin; 81. a battery; 82. a motor; 83. a hall sensing probe; 84. a liquid level probe; 85. controlling a hatch cover plate; 9. and a second balancing weight.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The utility model aims to provide a swimming pool cleaner, which solves the problems in the prior art, and the design of the water outlet flow channel is provided with a spiral part and a direct current part, so that a steering stress part can be formed between the spiral part and the direct current part, and the water body in the swimming pool is pumped and filtered, and meanwhile, the flowing water flows are utilized to form the impact to the steering stress part, so that the swimming pool cleaner can deflect towards the impact direction, finally, a zigzag travel route is formed, and additional electronic elements such as steering, state monitoring and the like are not required to be arranged, and the cost can be reduced.

In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model will be rendered by reference to the appended drawings and appended detailed description.

As shown in fig. 1 to 18, the utility model provides a swimming pool cleaner, which comprises a shell, a running gear 3 arranged at the bottom of the shell and a filter screen 7 arranged in the shell, wherein the shell can be in a split type, is convenient to detach and mount and connect, is convenient for the mounting of internal components and the cleaning of dirty impurities after the detachment, and for example, the cleaner can comprise an upper shell 1 and a lower shell 2, wherein the upper shell 1 and the lower shell 2 are clamped by a second buckle 11, and can be disconnected by outwards snapping the second buckle 11 during the detachment, so that the cleaner is convenient to mount and detach. The running gear 3 adopts rotatable ground running structure such as gyro wheel or cylinder. The filter screen 7 divides the space in the shell into a water inlet cavity and a water outlet cavity, wherein the water inlet cavity is communicated with the water inlet 21 at the bottom of the shell, the water outlet cavity is communicated with the water outlet 42, and after the water in the swimming pool enters the water inlet cavity through the water inlet 21 under the action of the impeller 5, impurities are detained in the water inlet cavity under the action of the filter screen 7, and the water passing through the filter screen 7 enters the water outlet cavity. Two groups of power components with opposite driving directions are arranged in the water outlet cavity, and when different power components run, the swimming pool cleaner can be driven to move in opposite directions. Specifically, the power component comprises an impeller 5 and a water outlet flow passage 15, an inlet 51 of the impeller 5 is communicated with the water outlet cavity, an outlet 52 of the impeller 5 is communicated with the water outlet flow passage 15, and water entering the water outlet cavity can flow into the water outlet flow passage 15 under the action of the impeller 5. The water outlet flow passage 15 comprises a spiral part 152 and a direct current part 153 which are sequentially communicated, the direct current part 153 is connected with a water outlet 42, and water flowing into the water outlet flow passage 15 is discharged out of the swimming pool cleaner through the water outlet 42. Referring to fig. 4, the direct current portion 153 deflects outward in the spiral direction of the spiral portion 152, a turning force receiving portion 154 is formed at the junction between the direct current portion 153 and the spiral portion 152, and the water flowing out of the spiral portion 152 is forced to flow toward the direct current portion 153 after striking the turning force receiving portion 154, so that a force in the spiral direction of the spiral portion 152 is applied to the turning force receiving portion 154, and the force drives the swimming pool cleaner to turn to a certain degree. The water outlet 42 is open to the outside of the casing and the water outlet direction is opposite to the travelling direction of the travelling device 3, so that the swimming pool cleaner can be driven to travel by the reaction force of the water flow discharged from the water outlet 42. Because the swimming pool cleaner receives both the steering thrust of the steering force receiving part 154 and the advancing thrust of the water flow discharged by the water outlet 42, at this time, the swimming pool cleaner advances leftwards and rightwards, and can control different advancing directions by controlling the operation of different power parts, so that a zigzag advancing route can be formed in the swimming pool, the inner bottom surface area of the swimming pool is covered, and the swimming pool is thoroughly cleaned. In summary, the water outlet channel 15 is designed to have the spiral portion 152 and the direct current portion 153, so that the steering force bearing portion 154 can be formed between the spiral portion 152 and the direct current portion 153, the impact on the steering force bearing portion 154 is formed by flowing water flow when the water body in the swimming pool is extracted and filtered, the swimming pool cleaner can deflect towards the impact direction, a zigzag travel route is finally formed, and additional electronic elements such as steering and state monitoring are not required, so that the complexity of the structure is reduced, and the manufacturing cost is reduced.

The water inlet 21 is located on the right side of the traveling direction of the running gear 3 as shown in fig. 2, and the steering force receiving portion 154 receives a counterclockwise deflection force as shown in fig. 4, at which time the pool cleaner travels leftward and forward. Alternatively, not shown, that is, the water inlet 21 is located at the left side of the traveling direction of the running gear 3, and the steering force receiving portion 154 receives a clockwise deflection force, at which time the pool cleaner travels rightward and forward. Through the water inlet 21 that sets up on the right side matches anticlockwise deflection, and the water inlet 21 that sets up on the left side matches clockwise deflection (not shown in the figure), can both make water inlet 21 be located the external diameter side of deflection radian to, the rear side of water inlet 21 still is provided with scraper blade 22, can utilize scraper blade 22 and above-mentioned water inlet 21 and the relation of advancing direction, the better dirty of clearance swimming pool ground. In addition, the water inlet 21 can be in an elongated opening form, the scraping plate 22 is parallel to the length direction of the water inlet 21, the length of the scraping plate is slightly larger than that of the water inlet 21, a larger cleaning area can be covered, and dirt can be collected better and sucked by the water inlet 21.

As shown in fig. 1-2 and fig. 13-14, the running gear 3 includes a running wheel 32, the running wheel 32 is rotatably mounted on a wheel frame 33 through a wheel axle 31, a positioning block 332 and an annular groove 331 are provided at the top end of the wheel frame 33, a positioning groove 26 is provided on a housing (lower housing 2) corresponding to the positioning block 332, a first buckle 25 is provided corresponding to the annular groove 331, and after the positioning block 332 is clamped into the positioning groove 26, the first buckle 25 can be clamped into the annular groove 331 to fix the wheel frame 33. Two positioning grooves 26 are symmetrically arranged on the lower shell 2, so that the installation position of the running gear 3 can be changed, and the running gear 3 can be conveniently installed according to different direction requirements of the running gear 3. The wheel carrier 33 is provided with a U-shaped groove at the position where the travelling wheel 32 is mounted, a large through hole and a small through hole for penetrating the wheel shaft 31 are respectively arranged on two support arms of the U-shaped groove, the wheel shaft 31 is arranged to comprise a small diameter part and a large diameter part which are connected with each other, the diameter of the small diameter part is smaller than that of the small through hole, namely, the small diameter part can smoothly pass through the small through hole, the diameter of the large diameter part is between the small through hole and the large through hole, namely, the large diameter part can smoothly pass through the large through hole but cannot pass through the small through hole, therefore, when the wheel shaft 31 is mounted, the wheel shaft 31 can only be mounted in one mode, and the uniformity of the different travelling devices 3 during mounting is ensured.

The small diameter portion can include the elastic strip that sets up relatively and connect the joint at elastic strip free end, has the movement joint between two elastic strips, when two elastic strips are close to each other and warp, can reduce the whole diameter size of joint to make the whole diameter of joint be less than little through-hole, be convenient for pass it little through-hole, and the joint after passing little through-hole resumes free state, and the whole diameter of the joint of free state is greater than little through-hole, thereby can realize spacing to shaft 31, avoid breaking away from along former route. The large diameter part can be a cross shaft, one end of the cross shaft is connected with the small diameter part, the other end of the cross shaft is connected with a limiting plate, the clamping connector and the limiting plate are respectively positioned at two sides of the wheel frame 33, and the wheel shaft 31 is limited on the wheel frame 33.

As shown in fig. 2, the traveling wheels 32 are distributed in a cross shape at the outer bottom of the housing (lower housing 2), the traveling wheels 32 on the left and right sides are symmetrically arranged, the centers of gravity of the traveling wheels 32 on the front and rear sides are offset, and the centers of gravity are offset to one side of the water inlet 21. When the swimming pool cleaner advances, the deflection force of the steering force receiving part 154 can be received, based on the walking mode of the swimming pool cleaner, the water inlet 21 and the action mode of cleaning by the scraping plate 22 of the water inlet 21, the resistance on one side of the water inlet 21 can be relatively large, the water inlet 21 can be better supported by the mode of center offset, meanwhile, the deflection resistance brought by the walking wheel 32 can be reduced under the action of the deflection force of the steering force receiving part 154, deflection is better realized, further, the gravity center offset position of the walking wheel 32 can be coupled with the stress condition of the steering force receiving part 154 for analysis, reasonable design is carried out, the running of micro-arc lines of the swimming pool cleaner can be ensured, the covering effect of cleaning the swimming pool is improved, and no dead angle cleaning is realized.

As shown in fig. 3 and 4, the flow dividing plate 151 parallel to the extending direction of the flow dividing plate 151 is disposed in the direct current portion 153, so that the flow dividing plate 151 can divide the flow of the water to play a role of turbulence, and in addition, an effective supporting structure can be formed to keep the smoothness and structural stability of the water outlet flow passage 15. The water outlet 42 adopts a flaring structure, which is convenient for the diffusion of water flow. As shown in fig. 1 and 9, the water outlet 42 is hinged with an outward opening baffle 44, the hinged position is located at the upper part of the outward opening baffle 44, and since the water outlets 42 arranged in opposite directions do not work simultaneously, when the water outlet 42 is in a working state, the outward opening baffle 44 is impacted by water flow impact, so that the penetration of the water outlet 42 is realized, when the water outlet 42 is not in a working state, no water flow impact exists, and the outward opening baffle 44 seals the water outlet 42 by self weight.

As shown in fig. 3 to 6 and fig. 10 to 12, the casing (upper casing 1) is provided with a wall touching sensing assembly 6, and the wall touching sensing assembly 6 comprises a swinging member 62 rotatably arranged on the upper casing 1 and a hall sensing probe 83 fixedly arranged on the lower casing 2, wherein the hall sensing probe 83 can detect the position state of the swinging member 62 so as to determine whether the swimming pool cleaner touches the wall or not, and send out corresponding control signals to control different power components to operate, thereby changing the advancing direction. The swing member 62 includes a rotation portion 622, a resistance plate 621 connected to the rotation portion 622, and a magnet holder, wherein the resistance plate 621 is capable of changing a swing position around the rotation portion 622 when being impacted by water flow, and the magnet holder is provided with a magnet, and the position of the magnet relative to the hall sensing probe 83 is changed by swinging the resistance plate 621. The resistance plate 621 is located in the wall-touching detection water channel 16 that link up from front to back, when the swimming pool cleaner is marching, there is rivers through touching the wall detection water channel 16, at this moment, the resistance plate 621 receives the rivers effect to drive the magnet deflection, and then break away from hall sensing probe 83 and correspond the position, when the swimming pool cleaner touches the wall, no longer there is rivers through touching the wall detection water channel 16, at this moment, the resistance plate 621 does not receive the rivers effect, the magnet sags under the action of gravity and corresponds hall sensing probe 83's position, namely hall sensing probe 83 can detect touching the wall signal and send to controlling means, through the power component of operation difference, change the direction of operation break away from with the contact of wall.

As shown in fig. 8 to 9, the upper case 1 is provided with a curved baffle structure for forming the water outlet passage 15, the water outlet chamber is partitioned by a partition plate 43, and the partition plate 43 is combined with the upper case 1 to form the water outlet passage 15. The protection grating 41 is arranged at the inlet and outlet positions of the touch wall detection water channel 16, the protection grating 41 is used for protecting water flow entering and exiting the touch wall detection water channel 16, interference of normal operation of the touch wall sensing assembly 6 caused by impurities entering the touch wall detection water channel 16 is avoided, the protection grating 41 and the partition plate 43 can be integrally formed to be an integral grating plate 4, the integral grating plate 4 is integrally installed, the installation integrity can be guaranteed, and the installation difficulty is reduced.

As shown in fig. 10 to 12, the magnetic base comprises an arc-shaped groove 61, and can be arranged in the arc-shaped groove 61 to eliminate the impact of the water flow in the water outlet cavity on the magnetic base in the normal working state of the impeller 5, and when the contact wall of the swimming pool cleaning machine is static, the magnetic base can naturally droop to enable the magnet to correspond to the hall sensing probe 83. The center shaft 63 is rotatably arranged on the two side walls of the arc-shaped groove 61, the rotating part 622 of the swinging piece 62 is rotatably sleeved on the center shaft 63, namely, the rotating part 622 is rotatably connected with the center shaft 63 to form one-stage rotation connection, the two ends of the center shaft 63 are respectively provided with shaft shoulders, the two shaft shoulders are rotatably clamped on the two side walls of the arc-shaped groove 61, namely, the center shaft 63 is rotatably connected with the arc-shaped groove 61 to form one-stage rotation connection, when one-stage rotation is influenced by sundries and cannot rotate, the other-stage rotation can be utilized, the condition that the swinging piece 62 swings and is blocked is avoided, and the stable operation of the wall-touching sensing assembly 6 is ensured. In addition, the distance between the two shoulders of the central shaft 63 is larger than the axial width of the swinging member 62, so that the supporting effect on the two side walls of the arc-shaped groove 61 can be achieved when the arc-shaped groove 61 deforms and contracts, the influence on the swinging of the swinging member 62 caused by the two side walls of the arc-shaped groove 61 is avoided, and the operation reliability of the wall-touching sensing assembly 6 is further improved.

As shown in fig. 11 to 12, the magnet base includes a swing arm 623 connected to the rotating portion 622 on a side close to the hall sensing probe 83 and a magnet mounting portion 624 connected to the swing arm 623, and the swing arm 623 is disposed on a side close to the hall sensing probe 83, so that stability of a distance between the magnet and the hall sensing probe 83 can be ensured, and the influence on accuracy of sensing by the touch wall sensing element 6 due to dislocation of the distance between the swing arm 623 and the hall sensing probe caused by deformation of the swing arm 623 is avoided. The upstream surface of the swinging arm 623 is provided in a wedge shape, which can further reduce the swinging resistance of the swinging member 62 and improve the reliability of the touch-wall sensing assembly 6. The magnet mounting portion 624 is provided with magnet near one side of hall sensing probe 83, and one side of keeping away from hall sensing probe 83 is provided with first balancing weight, and on the one hand first balancing weight can balance the weight of magnet, reduces the bending influence to swing arm 623, and on the other hand first balancing weight can improve the whole weight of magnet mounting portion 624 to when resistance plate 621 does not have rivers to strike, magnet mounting portion 624 can droop smoothly.

As shown in fig. 15 to 16, the water inlet 21 is hinged with an inner open baffle 24, when the impeller 5 works, water flow is pumped into the water inlet cavity, under the action of the water flow, the inner open baffle 24 is flushed by the water flow, the water flow is ensured to smoothly enter, and after the impeller 5 stops working, the inner open baffle 24 closes the water inlet 21 by self weight, so that dirt and sewage sucked into the water inlet cavity are prevented from leaking. The inner open baffle 24 is connected with a limiting part 241, the limiting part 241 forms a certain included angle with the inner open baffle 24, when the inner open baffle 24 is opened, the opening angle of the inner open baffle 24 can be limited to be smaller than ninety degrees through the limiting part 241, and when no water flow impacts, the inner open baffle 24 can seal the water inlet 21 by means of self weight. Through the setting of interior open baffle 24, can be with water smoothly entering into the intake cavity through water inlet 21 when drawing water, can inject the opening angle of interior open baffle 24 through spacing portion 241, avoid the opening too big and lead to unable water inlet 21 of closing by the dead weight, and lead to the filth that has filtered in the intake cavity to discharge once more to can guarantee going on smoothly of clean process.

As shown in fig. 5 to 6, a control cabin 8 is arranged in the middle of the lower casing 2, a battery 81 for supplying power is arranged in the control cabin 8, the battery 81 is charged through a charging port 23 (shown in fig. 2) arranged at the bottom of the lower casing 2, a motor 82 for driving the impeller 5 to rotate and a liquid level probe 84 for sensing the water level are also arranged in the control cabin 8, a control cabin cover plate 85 is arranged at the top of the control cabin 8, the control cabin 8 is subjected to sealing and waterproof treatment through the control cabin cover plate 85, the liquid level probe 84 extends out of the control cabin cover plate 85, and after the swimming pool cleaner is immersed in water, the liquid level probe 84 detects a signal, and then the operation of the impeller 5 is started under linkage control. As shown in fig. 1, an indicator lamp 12 and a switch 13 are arranged outside the upper shell 1, and the indicator lamp 12 and the switch 13 are communicated with components in the control cabin 8 through lines so as to realize the communication of power supply and control signals. As shown in fig. 5 and 17, a second balancing weight 9 can be further disposed around the control cabin 8 in the lower housing 2, where the second balancing weight 9 is used to lift the overall quality of the swimming pool cleaner, so as to overcome the influence of buoyancy of water and impact of water flow, and ensure that the swimming pool cleaner moves smoothly at the bottom of the swimming pool to perform cleaning work.

As shown in fig. 7, a U-shaped handle 14 is provided at the top of the housing (upper housing 1), two legs of the U-shaped handle 14 are hinged to the upper housing 1, and the top of the U-shaped handle 14 is hollow and sealed by a handle cover 141. The hollow part can receive the buoyancy of water in water to make the top of U type handle 14 float naturally and become vertical state, when taking out when charging or maintenance need, can be convenient for utilize instrument centre gripping U type handle 14, be convenient for snatch swimming pool cleaner bottom the swimming pool, improve the convenient degree of operation.

The working process of the utility model is as follows:

the switch 13 is turned on and the indicator light 12 indicates normal operation and the pool cleaner is placed into the pool by means of the tool through the U-shaped handle 14. The water in the swimming pool enters the swimming pool cleaner through the water inlet 21, the water outlet 42 and the like, and after the liquid level probe 84 detects the water signal, the impeller 5 is controlled to start working. After the impeller 5 works, water enters the water inlet cavity from the water inlet 21, flows into the water outlet cavity after being filtered by the filter screen 7, enters the water outlet flow passage 15 at the outlet 52 of the impeller 5, and is finally discharged through the water outlet 42. The reaction force of the water flow discharged from the water outlet 42 provides the power for the swimming pool cleaner to travel, meanwhile, the swimming pool cleaner receives the steering thrust of the steering force bearing part 154, at this time, the swimming pool cleaner can travel leftwards and rightwards, after touching the wall surface, the Hall sensing probe 83 in the wall touching sensing assembly 6 detects corresponding signals, so that the reverse power component is started to continue to operate, at this time, the other impeller 5 is started to travel rightwards and leftwards, after touching the wall surface again, the power component is continuously replaced to drive and change the traveling direction, and the operation is repeated, so that a zigzag traveling route can be formed in the swimming pool, the inner bottom surface area of the swimming pool is covered, and the swimming pool is thoroughly cleaned. When charging or cleaning and maintenance are needed, the vertical U-shaped handle is hooked in water through a tool, taken out, the upper shell 1 and the lower shell 2 are separated through opening the second bayonet 11, dirt in the upper shell is cleaned, and the charging is carried out through the charging port 23 at the bottom.

The principles and embodiments of the present utility model have been described in detail with reference to specific examples, which are provided to facilitate understanding of the method and core ideas of the present utility model; also, it is within the scope of the present utility model to be modified by those of ordinary skill in the art in light of the present teachings. In view of the foregoing, this description should not be construed as limiting the utility model.

Claims

1. A swimming pool cleaning machine, characterized in that: including the casing, set up running gear and the setting in the casing bottom are in filter screen, the filter screen will the space is divided into intake chamber and play water chamber in the casing, the intake chamber intercommunication the water inlet of casing bottom, be provided with two sets of power components that drive the opposite direction in the play water chamber, power components includes impeller and play water runner, play water runner is including spiral part and the direct current portion of intercommunication in order, the import intercommunication of impeller go out the water chamber, the export intercommunication of impeller spiral part, the direct current portion is connected with the delivery port, the direct current portion to the outside of spiral part spiral direction the direct current portion with spiral part juncture forms the atress portion that turns to, the delivery port accesss to the casing outside and with running gear's advancing direction is contrary.

2. A pool cleaner as claimed in claim 1, wherein: the water inlet is positioned on the right side of the travelling direction of the travelling device, the steering force bearing part is subjected to anticlockwise deflection force, or the water inlet is positioned on the left side of the travelling direction of the travelling device, and the steering force bearing part is subjected to clockwise deflection force; the rear side of the water inlet is provided with a scraping plate.

3. A pool cleaner as claimed in claim 2, wherein: the travelling device comprises travelling wheels, the travelling wheels are rotatably arranged on a wheel frame through wheel shafts, a positioning block and an annular groove are arranged at the top end of the wheel frame, a positioning groove is arranged on the shell corresponding to the positioning block, a first buckle is arranged corresponding to the annular groove, and the first buckle is clamped into the annular groove to fix the wheel frame; the wheel carrier is provided with a large through hole and a small through hole which are used for penetrating through the wheel shaft, the wheel shaft comprises a small diameter part and a large diameter part which are connected with each other, the diameter of the small diameter part is smaller than that of the small through hole, and the diameter of the large diameter part is between the small through hole and the large through hole.

4. A pool cleaner as claimed in claim 3, wherein: the walking wheels are distributed at the outer bottom of the shell in a cross shape, the gravity centers of the front walking wheels and the rear walking wheels are offset, and the gravity centers are offset to one side of the water inlet.

5. A pool cleaner as claimed in claim 1, wherein: the water outlet adopts a flaring structure, the water outlet is hinged with an outward opening baffle, the hinge position is positioned at the upper part of the outward opening baffle, and the outward opening baffle seals the water outlet by means of dead weight when no water flow impacts.

6. A swimming pool cleaner as recited in any one of claims 1-5, wherein: the wall-contact induction component is arranged on the shell and comprises a swinging piece arranged on the shell in a rotating mode and a Hall induction probe fixedly arranged on the shell, the swinging piece comprises a rotating part, a resistance plate and a magnet seat, the resistance plate is connected to the rotating part, a magnet is arranged on the magnet seat, the resistance plate is positioned in a wall-contact detection water channel which is communicated with the front and back, when the resistance plate receives water flow, the magnet deflects and breaks away from the Hall induction probe, when the resistance plate does not receive water flow, the magnet corresponds to the Hall induction probe.

7. A pool cleaner as claimed in claim 6, wherein: the rotary sleeve type swinging piece comprises an arc-shaped groove, a central shaft is rotatably arranged on two side walls of the arc-shaped groove, the rotary sleeve is rotatably arranged on the central shaft, shaft shoulders are respectively arranged at two ends of the central shaft, the shaft shoulders are rotatably clamped on the two side walls of the arc-shaped groove, and the distance between the shaft shoulders is larger than the axial width of the swinging piece.

8. A pool cleaner as claimed in claim 7, wherein: the magnet seat comprises a swing arm and a magnet installation part, wherein the swing arm is connected to the rotating part and is close to one side of the Hall sensing probe, the magnet installation part is connected to the swing arm, the upstream surface of the swing arm is set to be wedge-shaped, the magnet installation part is close to one side of the Hall sensing probe, the magnet is arranged on one side of the magnet installation part, which is far away from the Hall sensing probe, and a first balancing weight is arranged on one side of the magnet installation part.

9. A pool cleaner as claimed in claim 1, wherein: the water inlet is hinged to be provided with an inner open baffle, the inner open baffle is connected with a limiting part, the opening angle of the inner open baffle is limited to be smaller than ninety degrees through the limiting part, and the inner open baffle is closed by means of dead weight when no water flow impacts.

10. A pool cleaner as claimed in claim 1, wherein: the utility model discloses a portable electric power tool, including casing, handle apron, casing top, U type handle, two landing legs of U type handle are articulated on the casing, the top cavity of U type handle is sealed through the handle apron.