An attitude stabilization structure for a pool cleaner

Abstract

The present invention discloses an attitude stabilizing structure of a pool dirt suction machine, which includes a machine base, a driving wheel assembly, a sealing box, a water pump assembly, and a collection box. The driving wheel assembly is connected to the machine base. The water pump assembly is arranged inside the machine base. The collection box is arranged inside the machine base and is communicated with the water pump assembly. The sealing box is arranged in the middle of the bottom of the machine base. The inside of the machine base is divided into an inner ring water distribution chamber and an outer ring water distribution chamber by the collection box. Air-liquid circulation holes are further arranged at the front and rear ends of the bottom of the machine base, and the air-liquid circulation holes are communicated with the outer ring water distribution chamber. A dirt inlet is further arranged on the machine base corresponding to the collection box. A dirt suction port corresponding to the dirt inlet is arranged at the bottom of the collection box, and the dirt suction port is communicated with the inner ring water distribution chamber. Through the above structure, the balance of the pool dirt suction machine during launching and underwater walking can be improved. When launching, air and water flow can quickly enter the outer ring water distribution chamber and the inner ring water distribution chamber, accelerating the launching speed and automatically stabilizing the attitude during launching.

Description

Technical Field

[0001] The present invention relates to a pool cleaner, and particularly to an attitude stabilizing structure of a pool cleaner. Background Art

[0002] A pool cleaner is a machine that can clean stains on the pool surface at the bottom of the pool. For current pool cleaners, due to the influence of the air inside the pool cleaner when it enters the water, the whole machine will first float on the water surface and then slowly sink over time. During the sinking process, because heavier components such as drive wheels and drive motors are on one side of the machine, it sometimes causes the machine to tip over, and it is necessary to manually right the machine or manually hold the machine until the pool cleaner is completely submerged in the water, which is not only time-consuming but also inconvenient when entering the water. In addition, during the underwater walking process of the pool cleaner, since the bottom of the pool is not completely flat, the machine often hits the protrusions on the bottom during walking, sometimes causing the pool cleaner to turn or tip over significantly, and improvements are needed. Summary of the Invention

[0003] Aiming at the defects in the prior art that it is time-consuming and laborious when entering the water, and it is easy to cause the pool cleaner to tip over due to the center of gravity being on one side of the pool cleaner during the water entry process and during underwater walking, the present invention provides a new attitude stabilizing structure for a pool cleaner.

[0004] To solve the above technical problems, the present invention is achieved through the following technical solutions:

[0005] An attitude stabilizing structure of a pool cleaner, including a machine base, a drive wheel assembly, a sealed box, a water pump assembly, and a collection box. The drive wheel assembly is connected to the machine base, the water pump assembly is arranged inside the machine base, the collection box is arranged inside the machine base and is communicated with the water pump assembly. The center of the pool cleaner has an X axis, a Y axis, and a Z axis along the length direction, width direction, and height direction respectively. The sealed box is arranged in the middle of the bottom of the machine base. The inside of the machine base is divided into an inner ring water distribution chamber and an outer ring water distribution chamber by the collection box. Air-liquid circulation holes are also arranged at the front and rear ends of the bottom of the machine base, and the air-liquid circulation holes are communicated with the outer ring water distribution chamber. A sewage inlet is also arranged on the machine base corresponding to the collection box, and a sewage suction port corresponding to the sewage inlet is arranged at the bottom of the collection box, and the sewage suction port is communicated with the inner ring water distribution chamber.

[0006] The sealed box is arranged in the middle of the bottom of the machine base, which can anchor the position of the center of gravity of the entire pool cleaner, and improve the balance of the pool cleaner when it enters the water and walks underwater. The air-liquid circulation holes are connected to the outer ring water distribution chamber, and the sewage inlet and the sewage suction port are connected to the inner ring water distribution chamber. When the pool cleaner enters the water, air and water can quickly pass through these places and enter the outer ring water distribution chamber and the inner ring water distribution chamber, and then flow out through the gaps on the machine base or through the water pump assembly. When the pool cleaner enters the water, it can prevent air from being trapped by the pool cleaner cover and forming a reaction force after entering the water. On the one hand, it can accelerate the water entry speed of the pool cleaner, and on the other hand, it can automatically stabilize the posture of the pool cleaner when it enters the water, so that it can maintain balance.

[0007] Preferably, for the posture stabilizing structure of a pool cleaner described above, the cross-sectional area ratio of the sewage suction port to the air-liquid circulation hole is 1.2:1 to 1.8:1.

[0008] The cross-sectional area of the sewage suction port being larger than that of the air-liquid circulation hole allows the flow rate of air and water entering the sewage suction port to be greater than that entering the air-liquid circulation hole during the water entry process of the pool cleaner, that is, the flow rate entering the inner ring water distribution chamber is greater than that entering the outer ring water distribution chamber, thereby further enhancing the central anchoring effect of the center of gravity of the entire pool cleaner and improving the posture stability of the pool cleaner.

[0009] Preferably, for the posture stabilizing structure of a pool cleaner described above, a diversion chamber is further arranged on the machine base at the air-liquid circulation hole.

[0010] The arrangement of the diversion chamber at the air-liquid circulation hole can make the air or water flow more smoothly when entering the air-liquid circulation hole.

[0011] Preferably, for the posture stabilizing structure of a pool cleaner described above, the diversion chamber is a cover body with an opening downward, and the projection of the diversion chamber in the height direction of the pool cleaner is on the X-axis.

[0012] The projection of the diversion chamber in the height direction of the pool cleaner being on the X-axis can make the pool cleaner maintain better stability and balance during operation. The cover body structure with an opening downward can, on the one hand, reduce the influence of the lateral water flow on the air-liquid circulation hole when walking underwater, and on the other hand, can better guide and gather air or water during the water entry process, accelerating the water entry speed.

[0013] Preferably, for the posture stabilizing structure of a pool cleaner described above, the air-liquid circulation holes are arranged in a circular array on the diversion chamber.

[0014] The air-liquid circulation holes being arranged in a circular array on the diversion chamber can make the pool cleaner enter the water better when entering the water, improving the smoothness of water entry.

[0015] Preferably, in the attitude stabilization structure of a pool dirt suction machine described above, the water pump assembly is connected to the middle of the upper surface of the sealed box. The inner ring water distribution chamber is annular. A vertically penetrating annular docking seat is provided in the middle of the collection box, and the collection box is sleeved on the water pump assembly through the annular docking seat.

[0016] The water pump assembly is located in the middle of the sealed box, further enhancing the gravity anchoring effect of the sealed box. The annular inner ring water distribution chamber allows water to flow annularly inside it, further enhancing the stabilizing effect of the inner ring water distribution chamber on the pool dirt suction machine. The setting of the annular docking seat can enhance the tightness of the connection between the collection box and the water pump assembly.

[0017] Preferably, in the attitude stabilization structure of a pool dirt suction machine described above, the collection box is symmetrically arranged with the X-axis and Y-axis as the center lines.

[0018] Through the setting of the above structure, the balance of the pool dirt suction machine can be better maintained.

[0019] Preferably, in the attitude stabilization structure of a pool dirt suction machine described above, a counterweight block is further provided in the sealed box, and the counterweight block is symmetrically arranged front and back with the Y-axis as the center line.

[0020] The counterweight block can increase the weight of the fuselage, facilitating the pool dirt suction machine to enter the water better and walk underwater. The counterweight block is symmetrically arranged front and back with the Y-axis as the center line, which can better maintain the balance of the pool dirt suction machine.

[0021] Preferably, in the attitude stabilization structure of a pool dirt suction machine described above, it further includes universal wheels. The number of the universal wheels is 2, and they are respectively connected to the front and rear ends of the bottom of the machine base. The projection of the universal wheels in the height direction of the pool dirt suction machine is located on the X-axis. The number of the drive wheel assemblies is 2, and they are respectively connected to the middle parts of the left and right sides of the sealed box. The projection of the drive wheel assemblies in the height direction of the pool dirt suction machine is located on the Y-axis.

[0022] Among them, the universal wheels are responsible for steering, and the drive wheel assemblies are used to drive the pool dirt suction machine to walk. Connecting the drive wheel assemblies to the middle parts of the left and right sides of the sealed box can further enhance the gravity anchoring effect of the sealed box. The universal wheels are located on the X-axis and the drive wheel assemblies are located on the Y-axis, which can further enhance the stability of the pool dirt suction machine during walking through this cross-shaped wheel arrangement design.

[0023] Preferably, in the attitude stabilization structure of a pool dirt suction machine described above, the distance between the center of the universal wheel and the central plane of the sealed box is 120 mm - 200 mm.

[0024] Within the above distance range, it is convenient for the universal wheels to turn and can well balance the stability of the pool dirt suction machine.

[0025] Preferably, in the attitude stabilizing structure of a pool cleaner described above, the sealed box is located at the intersection of the X-axis, Y-axis, and Z-axis.

[0026] Through the above structural arrangement, the center and the center of gravity of the pool cleaner tend to be consistent, which can better improve the balance of the pool cleaner.

[0027] Preferably, in the attitude stabilizing structure of a pool cleaner described above, the drive wheel assembly includes a drive motor and wheels, and hard rubber and soft rubber are sequentially arranged on the surface of the wheels from the inside to the outside.

[0028] Through the arrangement of the hard rubber and soft rubber, the grip of the wheels is further enhanced during the rotation of the wheels. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 is a structural schematic diagram of the present invention;

[0030] Figure 2 is a sectional view of the present invention;

[0031] Figure 3 is an exploded view of the present invention;

[0032] Figure 4 is an exploded view of the drive wheel assembly in the present invention;

[0033] Figure 5 is a sectional view of the wheel in the present invention. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0034] The present invention will be further described in detail below in conjunction with the drawings and specific embodiments, but they are not limitations to the present invention:

[0035] Embodiment 1

[0036] As Figures 1 to 5As shown, a posture stable structure of a swimming pool sewage suction machine includes a machine base 1, a driving wheel assembly 2, a sealing box 4, a water pump assembly 3, and a collecting box 5. The driving wheel assembly 2 is connected to the machine base 1, the water pump assembly 3 is arranged in the machine base 1, and the collecting box 5 is arranged in the machine base 1 and is connected to the water pump assembly 3. The center of the swimming pool sewage suction machine has an X-axis, a Y-axis, and a Z-axis along the length direction, the width direction, and the height direction, respectively. The sealing box 4 is arranged in the middle of the bottom of the machine base 1, and the machine base 1 is divided into an inner ring water distribution tank 7 and an outer ring water distribution tank 6 by the collecting box 5. The front and rear ends of the bottom of the machine base 1 are also provided with gas-liquid circulation holes 8, and the gas-liquid circulation holes 8 are connected to the outer ring water distribution tank 6. A sewage inlet 9 is also provided on the machine base 1 at a position corresponding to the collecting box 5. A sewage suction port 10 corresponding to the sewage inlet 9 is provided at the bottom of the collecting box 5, and the sewage suction port 10 is connected to the inner ring water distribution tank 7.

[0037] When the swimming pool sewage suction machine is ready to be launched into the water, the user places the swimming pool sewage suction machine horizontally and puts it into the water. During this process, since the bottom of the machine base 1 has an air-liquid circulation hole 8 and a sewage inlet 9, the air and water squeezed by the bottom of the machine base 1 will automatically flow along the air-liquid circulation hole 8, the sewage inlet 9, and the sewage suction port 10 into the inner circle water distribution tank 7 and the outer circle water distribution tank 6, thereby accelerating the launching speed of the swimming pool sewage suction machine, reducing the reaction force of the water on the bottom of the machine base 1, and improving the posture stability of the swimming pool sewage suction machine during the launching process. At the same time, since the sealing box 4 is arranged in the middle of the bottom of the machine base 1, and various control devices are generally concentrated in the sealing box 4 for waterproof sealing, the position setting of the sealing box 4 makes the center of gravity of the entire swimming pool sewage suction machine tend to the center of the machine base 1, further enhancing the launching stability of the swimming pool sewage suction machine, and also enhancing the stability of the swimming pool sewage suction machine during underwater walking.

[0038] Preferably, the ratio of the cross-sectional area of the sewage suction port 10 to the cross-sectional area of the gas-liquid circulation hole 8 is 1.2:1.

[0039] Preferably, a guide chamber 11 is further provided on the machine base 1 at the gas-liquid flow hole 8 .

[0040] Preferably, the diversion bin 11 is a cover with an opening facing downward, and the projection of the diversion bin 11 in the height direction of the swimming pool suction machine is on the X-axis.

[0041] Preferably, the gas-liquid flow holes 8 are arranged in a ring array on the guide chamber 11 .

[0042] Preferably, the water pump assembly 3 is connected to the middle of the upper surface of the sealing box 4, the inner ring water distribution tank 7 is annular, and the middle of the collecting box 5 is provided with an annular docking seat 12 that passes through the upper and lower parts and is connected to the water pump assembly 3 through the annular docking seat 12.

[0043] Preferably, the collection box 5 is symmetrically arranged with the X-axis and the Y-axis as the center lines.

[0044] Preferably, a counterweight 13 is further arranged in the sealing box 4, and the counterweight 13 is symmetrically arranged before and after with the Y-axis as the center line.

[0045] Preferably, it further includes universal wheels 14. The number of the universal wheels 14 is two and they are respectively connected to the front and rear ends of the bottom of the machine base 1. Moreover, the projection of the universal wheels 14 in the height direction of the pool cleaner is located on the X-axis. The number of the drive wheel assemblies 2 is two and they are respectively connected to the middle parts of the left and right side surfaces of the sealing box 4. And the projection of the drive wheel assemblies 2 in the height direction of the pool cleaner is located on the Y-axis.

[0046] Preferably, the distance between the center of the universal wheel 14 and the central plane of the sealing box 4 is 120 mm.

[0047] Preferably, the sealing box 4 is located at the intersection of the X-axis, the Y-axis and the Z-axis.

[0048] Preferably, the drive wheel assembly 2 includes a drive motor 15 and a wheel 16. Hard rubber 17 and soft rubber 18 are sequentially arranged on the surface of the wheel 16 from the inside to the outside.

[0049] More specifically, during the process of entering the water, on the one hand, air and water flow will automatically flow towards the gas-liquid circulation holes 8 under the gathering action of the diversion chamber 11 and then flow into the outer ring water distribution chamber 6. Since the gas-liquid circulation holes 8 are arranged in an annular array on the diversion chamber 11, the water flow can be more stable when entering the gas-liquid circulation holes 8. On the other hand, air and water flow will flow into the inner ring water distribution chamber 7 along the sewage inlet 9 and the sewage suction port 10, thereby accelerating the water entry speed of the pool cleaner.

[0050] During the process of being lowered into the water, since the inner ring water distribution chamber 7 is annular, and the annular docking seat 12 in the middle of the collection box 5 is sleeved on the water pump assembly 3, and the water pump assembly 3 is connected to the middle of the upper surface of the sealing box 4, the water entering the inner ring water distribution chamber 7 will always rise around the water pump assembly 3 located at the center of the machine base 1. And because the cross-sectional area of the sewage suction port 10 is larger than that of the gas-liquid flow through hole 8, the flow rate entering the inner ring water distribution chamber 7 will be greater than the flow rate entering the outer ring water distribution chamber 6. Therefore, the pool sewage suction machine can maintain the stability of the center of gravity of the whole machine during the process of being lowered into the water. In addition, since the sealing box 4 is arranged in the middle of the bottom of the machine base 1, the water pump assembly 3 is connected to the middle of the upper surface of the sealing box 4, and a counterweight block 13 is arranged in the sealing box 4. The counterweight block 13 is symmetrically arranged front and back with the Y axis as the center line, and the drive wheel assembly 2 is connected to the middle of the left and right sides of the sealing box 4. The cooperation of these structures greatly enhances the anchoring effect of the sealing box 4 on the center of gravity, making the center of gravity of the whole machine tend to the center of the machine, further improving the attitude stability of the pool sewage suction machine during the process of being lowered into the water, and also enhancing the attitude stability of the pool sewage suction machine during the underwater walking process.

[0051] Embodiment 2

[0052] The ratio of the cross-sectional area of the sewage suction port 10 to the cross-sectional area of the gas-liquid flow through hole 8 is 1.8:1.

[0053] The distance between the center of the universal wheel 14 and the central plane of the sealing box 4 is 200 mm.

[0054] Other implementation manners are the same as those in Embodiment 1.

[0055] Embodiment 3

[0056] The ratio of the cross-sectional area of the sewage suction port 10 to the cross-sectional area of the gas-liquid flow through hole 8 is 1.5:1.

[0057] The distance between the center of the universal wheel 14 and the central plane of the sealing box 4 is 160 mm.

[0058] Other implementation manners are the same as those in Embodiment 1.

[0059] In summary, the above are only the preferred embodiments of the present invention. All equivalent changes and modifications made within the scope of the patent application of the present invention shall fall within the scope covered by the present invention.

Claims

1. An attitude stabilization structure of a pool cleaner, comprising a machine base (1), a drive wheel assembly (2), a sealed box (4), a water pump assembly (3), and a collection box (5). The drive wheel assembly (2) is connected to the machine base (1), the water pump assembly (3) is arranged inside the machine base (1), the collection box (5) is arranged inside the machine base (1) and is communicated with the water pump assembly (3). The center of the pool cleaner has an X axis, a Y axis, and a Z axis along the length direction, width direction, and height direction respectively. It is characterized in that: The sealed box (4) is arranged in the middle of the bottom of the machine base (1). The inside of the machine base (1) is divided into an inner ring water distribution chamber (7) and an outer ring water distribution chamber (6) by the collection box (5). The front and rear ends of the bottom of the machine base (1) are also provided with gas-liquid circulation holes (8), and the gas-liquid circulation holes (8) are communicated with the outer ring water distribution chamber (6). The machine base (1) is also provided with a sewage inlet (9) corresponding to the collection box (5). The bottom of the collection box (5) is provided with a sewage suction port (10) corresponding to the sewage inlet (9), and the sewage suction port (10) is communicated with the inner ring water distribution chamber (7). The machine base (1) is also provided with a diversion chamber (11) at the gas-liquid circulation holes (8). The sealed box (4) is located at the intersection of the X-axis, Y-axis, and Z-axis.

2. The attitude stabilization structure of a pool suction cleaner according to claim 1, characterized in that: The cross-sectional area ratio of the sewage suction port (10) to the gas-liquid circulation hole (8) is 1.2:1 to 1.8:

1.

3. The attitude stabilization structure of a pool cleaner according to claim 1, characterized in that: The diversion chamber (11) is in the shape of a cover with an opening downward, and the projection of the diversion chamber (11) in the height direction of the pool suction machine is on the X-axis.

4. The attitude stabilization structure of a pool dirt suction machine according to claim 1, characterized in that: The gas-liquid circulation holes (8) are arranged in an annular array on the diversion chamber (11).

5. The attitude stabilization structure of a pool dirt suction machine according to claim 1, characterized in that: The water pump assembly (3) is connected to the middle of the upper surface of the sealed box (4). The inner ring water distribution chamber (7) is annular. The middle of the collection box (5) is provided with an annular docking seat (12) that penetrates up and down and is sleeved on the water pump assembly (3) through the annular docking seat (12).

6. The attitude stabilization structure of a pool dirt suction machine according to claim 1, characterized in that: The collection box (5) is symmetrically arranged with the X-axis and Y-axis as the center lines.

7. The attitude stabilization structure of a pool suction cleaner according to claim 1, characterized in that: A counterweight block (13) is also arranged in the sealed box (4), and the counterweight block (13) is symmetrically arranged front and back with the Y-axis as the center line.

8. The attitude stabilization structure of a pool dirt suction machine according to claim 1, characterized in that: It also includes two universal wheels (14) which are respectively connected to the front and rear ends of the bottom of the machine base (1), and the projection of the universal wheels (14) in the height direction of the pool suction machine is on the X-axis. The two driving wheel assemblies (2) are respectively connected to the middle parts of the left and right sides of the sealed box (4), and the projection of the driving wheel assemblies (2) in the height direction of the pool suction machine is on the Y-axis.

9. The attitude stabilization structure of a pool dirt suction machine according to claim 8, characterized in that: The distance between the center of the universal wheel (14) and the central plane of the sealed box (4) is 120 mm - 200 mm.

10. The attitude stabilization structure of a pool dirt suction machine according to claim 1, characterized in that: The driving wheel assembly (2) includes a driving motor (15) and a wheel (16). The surface of the wheel (16) is sequentially provided with hard rubber (17) and soft rubber (18) from the inside to the outside.

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