Multifunctional outdoor windmill amusement park

Abstract

The utility model relates to the technical field of recreation facilities, and discloses a multifunctional outdoor windmill amusement park which comprises a plurality of supporting legs, a square frame is fixedly connected to the outer portions of the supporting legs, a seat plate is fixedly connected to the close sides of the supporting legs, and a landslide is fixedly connected to the right side of the seat plate. A water storage tank is fixedly connected to the rear end of the square frame, vertical plates are fixedly connected to the top ends of the close sides of the two supporting legs, strip-shaped plates are fixedly connected to the bottom ends of the close sides of the two supporting legs, and trapezoidal plates are fixedly connected to the bottoms of the close sides of the two supporting legs. According to the water storage tank, leaves or impurities falling from the interior of the water storage tank are filtered by limiting the filter cartridge, so that the water flow speed is prevented from being influenced by blockage, and then the ornamental effect is prevented from being influenced by reduction of the rotating speed of the waterwheel plate driven by the waterwheel ring.

Description

Technical Field

[0001] The utility model relates to the technical field of amusement facilities, in particular to a multifunctional outdoor windmill amusement park. Background Art

[0002] An outdoor windmill playground is a children's playground with a windmill theme, which usually combines a variety of entertainment facilities and interactive projects, aiming to provide children with a fun and educational play environment. A multifunctional outdoor windmill playground refers to an outdoor playground that combines a windmill theme with a variety of entertainment facilities, aiming to provide rich and diverse play experiences and educational opportunities for people of different ages.

[0003] In the prior art, most outdoor windmill playgrounds use water circulation to drive the waterwheel to rotate to enhance the viewing and playing mood. However, during the water circulation process, leaves or impurities may block the water inlet of the water circulation. Because the water flow is blocked, the waterwheel speed decreases, affecting the viewing effect and the playing experience. Therefore, a multifunctional outdoor windmill playground is proposed to solve the problem. Utility Model Content

[0004] In order to make up for the above shortcomings, the utility model provides a multifunctional outdoor windmill playground, which aims to improve the problem in the prior art that the water wheels of some outdoor windmill playgrounds may be blocked by leaves or impurities, affecting the rotation of the windmill, thereby reducing the effect of play and viewing and the mood.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical solutions:

[0006] A multifunctional outdoor windmill playground comprises a plurality of supporting legs, wherein the outer sides of the plurality of supporting legs are fixedly connected with a square frame, the adjacent sides of the plurality of supporting legs are fixedly connected with a seat plate, the right side of the seat plate is fixedly connected with a landslide, and the rear end of the square frame is fixedly connected with a water reservoir, wherein the top ends of the adjacent sides of two of the supporting legs are fixedly connected with a vertical plate, wherein the bottom ends of the adjacent sides of two of the supporting legs are fixedly connected with a strip plate, wherein the bottom ends of the adjacent sides of two of the supporting legs are fixedly connected with a trapezoidal plate, and the left and right ends of the strip plate and the trapezoidal plate are both rotatably connected with a rotating assembly for supporting subsequent components, the rear end of the rotating assembly is fixedly connected with a waterwheel ring, and the outer sides of the waterwheel ring are fixedly connected with a plurality of waterwheel plates, the inner wall of the water reservoir is slidably connected with a filter cartridge, the bottom side of the inner wall of the water reservoir is fixedly connected with two reset assemblies for resetting the filter cartridge, and the middle part of the water reservoir is fixedly connected with a water outlet cylinder;

[0007] As a further description of the technical solution:

[0008] The bottom side of the water outlet cylinder is fixedly connected with a right-angle tube, the bottom side of the water reservoir is fixedly connected with a water pump, the output end of the water pump is fixedly connected with a water outlet pipe, wherein the front ends of the two rotating components are provided with energy storage components for storing electrical energy, the left and right ends of the energy storage components are electrically connected with main conductors, the top end of the main conductor is electrically connected with a plurality of slave conductors, and the bottom end of the slave conductor is electrically connected with an energy-saving lamp;

[0009] As a further description of the technical solution:

[0010] The rotating assembly includes a limiting ring, the outer parts of each of the two limiting rings are respectively fixedly connected to the inner walls of the left and right ends of the strip plate and the trapezoidal plate, and the inner walls of the limiting rings are fixedly connected to the rotating shaft;

[0011] As a further description of the technical solution:

[0012] The front side of the seat plate is fixedly connected with a ladder, the rear side of the vertical plate is fixedly connected with a cross plate, the middle part of the cross plate is provided with a water outlet, the top sides of the plurality of support legs are fixedly connected with a sunshade, the adjacent sides of every two support legs are fixedly connected with a side plate, the front end of the vertical plate is rotatably connected with a steering wheel, the front and rear ends of the sunshade are rotatably connected with a small windmill, and the left and right ends of the rear side of the vertical plate are fixedly connected with a water pouring plate;

[0013] As a further description of the technical solution:

[0014] The energy storage assembly includes a generator, the top side of which is fixedly connected to the rear end of the bottom side of the seat plate, the left and right sides of the generator are electrically connected to batteries, and the far ends of the two batteries are electrically connected to the near ends of the bottoms of the two main conductors respectively;

[0015] As a further description of the technical solution:

[0016] Two square blocks are fixedly connected to the outside of the filter cartridge, and a support ring is fixedly connected to the outside of the filter cartridge;

[0017] As a further description of the technical solution:

[0018] The reset assembly includes a plurality of springs, the bottom ends of the plurality of springs are respectively fixedly connected to the inner walls at the front and rear ends of the water reservoir, the top ends of every three springs are fixedly connected to an arc plate, the bottom side of the filter cartridge is in contact with the top side of the arc plate, the outsides of the two square blocks are slidably connected to the middle inner wall of the water reservoir, the front and rear ends of the top side of the water reservoir are both provided with arc openings, the middle top end of the water reservoir is fixedly connected to a fixing ring, and the outside of the fixing ring is fixedly connected to the inner wall of the water outlet cartridge;

[0019] As a further description of the technical solution:

[0020] The rear ends of two of the rotating shafts are fixedly connected to the inner walls of the two waterwheel rings, the outer ends of two of the rotating shafts are rotatably connected to the left and right inner walls of the strip plate, and the outer ends of the other two rotating shafts are rotatably connected to the left and right inner walls of the trapezoidal plate.

[0021] The utility model has the following beneficial effects:

[0022] 1. In the utility model, when the square block is rotated to the point where it cannot rotate any more, a certain amount of control is retained on the top of the square block. At this time, the pressure on the filter cartridge is released, so that the spring is reset to push the arc plate to slide, and then the square block is pushed to engage inside the water reservoir, further restricting the filter cartridge, thereby filtering fallen leaves or impurities inside the water reservoir, thereby avoiding blockage that affects the speed of the water flow, and then avoiding the waterwheel ring from driving the waterwheel plate to rotate at a reduced speed that affects the viewing effect; at the same time, it also has the effect of quickly installing and disassembling the filter cartridge, thereby improving the efficiency of maintenance.

[0023] 2. In the utility model, the two rotating shafts inside the strip plate rotate, so that the rotor inside the seat plate can be driven to rotate together, and the rotational force is converted into electrical energy and stored in the battery. The electrical energy inside the battery is transmitted to multiple slave wires through the main wire, and the slave wires will transfer the electrical energy to the energy-saving lamps, and the energy-saving lamps can be lit, so that the outdoor windmill playground not only has the effect of swimming, but also has the effect of lighting, thereby improving the function of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 A three-dimensional schematic diagram of a multifunctional outdoor windmill playground proposed by the utility model;

[0025] Figure 2 This is a structural schematic diagram of a cross plate of a multifunctional outdoor windmill playground proposed by the utility model;

[0026] Figure 3 for Figure 2 Enlarged view of point A in the middle;

[0027] Figure 4 This is a structural schematic diagram of a waterwheel ring of a multifunctional outdoor windmill playground proposed by the utility model;

[0028] Figure 5 This is a schematic diagram of the structure of a water reservoir for a multifunctional outdoor windmill playground proposed by the utility model;

[0029] Figure 6 for Figure 5 Enlarged view of point B in the middle;

[0030] Figure 7 This is a structural schematic diagram of a fixing ring of a multifunctional outdoor windmill playground proposed by the utility model;

[0031] Figure 8 for Figure 2 Enlarged view of point C in the middle.

[0032] Legend:

[0033] 1. Support legs; 2. Square frame; 3. Seat plate; 4. Ladder; 5. Slope; 6. Reservoir; 7. Cross plate; 8. Vertical plate; 9. Strip plate; 10. Trapezoidal plate; 11. Limiting ring; 12. Rotating shaft; 13. Waterwheel ring; 14. Waterwheel plate; 15. Arc opening; 16. Fixed ring; 17. Water outlet cylinder; 18. Spring; 19. Arc plate; 20. Right-angle pipe; 21. Water pump; 22. Water outlet pipe; 23. Filter cartridge; 24. Support ring; 25. Square block; 26. Generator; 27. Battery; 28. Main conductor; 29. ​​From conductor; 30. Energy-saving lamp; 31. Water outlet trough; 32. Side plate; 33. Sunshade; 34. Steering wheel; 35. Small windmill; 36. Water pouring plate. DETAILED DESCRIPTION

[0034] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0035] Reference Figures 1 to 3 The utility model provides an embodiment: a multifunctional outdoor windmill playground, comprising a plurality of supporting legs 1, the outer parts of the plurality of supporting legs 1 are fixedly connected with a square frame 2, which together constitute a stable frame structure of the playground. A seat board 3 is fixedly connected to the adjacent side of the plurality of supporting legs 1, and the seat board 3 serves as a platform for tourists to rest or conduct interactive activities. A ladder 4 is fixedly connected to the front side of the seat board 3, so that tourists can easily climb onto the seat board 3 to carry out the next step of play, and a landslide 5 is fixedly connected to the right side of the seat board 3, providing an exciting sliding experience. A water reservoir 6 is fixedly connected to the rear end of the square frame 2, which is used to store water resources so as to facilitate the extraction of water to drive the subsequent components to rotate, wherein the top of the adjacent side of the two supporting legs 1 is fixedly connected with a vertical plate 8, so that the supporting legs 1 can form a three-sided hollow, and the rear side is blocked by the vertical plate 8. A cross plate 7 is fixedly connected to the rear side of the vertical plate 8, and a water outlet trough 31 is opened in the middle of the cross plate 7. By using the water outlet trough 31 opened inside the cross plate 7, water can pass through the inside of the cross plate 7;

[0036] The bottom ends of the adjacent sides of the two support legs 1 are fixedly connected with a strip plate 9, and the bottom ends of the adjacent sides of the two support legs 1 are fixedly connected with a trapezoidal plate 10. The strip plate 9 and the left and right ends of the trapezoidal plate 10 are both rotatably connected with a rotating assembly that supports subsequent components. Two rotating assemblies are set through the strip plate 9 and the trapezoidal plate 10. The two inside the trapezoidal plate 10 are used to support the rotation of subsequent components, and the two inside the strip plate 9 are not only used to support the rotation of subsequent components to convert kinetic energy into electrical energy. The rotating assembly includes a limit ring 11, and the outsides of each of the two limit rings 11 are fixedly connected to the inner walls of the left and right ends of the strip plate 9 and the trapezoidal plate 10 respectively;

[0037] The inner wall of the limit ring 11 is fixedly connected with a rotating shaft 12. The limit ring 11 is limited by the strip plate 9 and the trapezoidal plate 10, so that the limit ring 11 can drive the rotating shaft 12 to rotate stably and prevent the rotating shaft 12 from slipping. The rear end of the rotating assembly is fixedly connected with a waterwheel ring 13, wherein the rear ends of the two rotating shafts 12 are respectively fixedly connected to the inner walls of the two waterwheel rings 13, wherein the outer parts of the two rotating shafts 12 are rotatably connected to the inner walls of the left and right ends of the strip plate 9, and the outer parts of the other two rotating shafts 12 are respectively rotatably connected to the inner walls of the left and right ends of the trapezoidal plate 10, and the outer parts of the waterwheel ring 13 are fixedly connected with multiple waterwheel plates 14. The waterwheel plates 14 are welded and fixed to the waterwheel ring 13, so that the waterwheel plates 14 can rotate after receiving the impact of water and transmit the rotation force to the rotating shaft 12, and the rotating shaft 12 is limited inside the strip plate 9, and the underwater strip plate 9 can rotate stably after receiving the rotation force.

[0038] Reference Figures 4 to 6 The inner wall of the water reservoir 6 is slidably connected with a filter cartridge 23. Due to the height of the filter cartridge 23 itself, even if there are leaves or impurities inside the water reservoir 6, water can pass through the filter cartridge 23 normally. Two square blocks 25 are fixedly connected to the outside of the filter cartridge 23. The outside of the filter cartridge 23 is fixedly connected with a support ring 24. The support ring 24 contacts the water reservoir 6, so that a seal can be formed between the filter cartridge 23 and the water reservoir 6 to prevent water leakage. Two reset assemblies for resetting the filter cartridge 23 are fixedly connected to the bottom side of the inner wall of the water reservoir 6. The middle part of the water reservoir 6 is fixedly connected with a water outlet cylinder 17, so that the water inside the water reservoir 6 can flow out through the water outlet cylinder 17. The reset assembly includes a plurality of springs 18, the bottom ends of which are fixedly connected to the inner walls of the front and rear ends of the water reservoir 6, and the top ends of every three springs 18 are fixedly connected to an arc plate 19. By fixing the two ends of the spring 18 to the bottom ends of the arc plate 19 and the bottom end of the inner wall of the water reservoir 6, the spring 18 can be evenly stressed after receiving the pressure of the arc plate 19. The bottom side of the filter cartridge 23 contacts the top side of the arc plate 19, and the sliding of the filter cartridge 23 pushes the arc plate 19 to slide and squeeze the spring 18.

[0039] Reference Figures 5 to 7 The outside of the two square blocks 25 is slidably connected to the middle inner wall of the water reservoir 6, and arc-shaped openings 15 are provided at both the front and rear ends of the top side of the water reservoir 6. The opening of the arc-shaped opening 15 allows the square blocks 25 to move inside the water reservoir 6. The process of the movement is to first put the two water reservoirs 6 into the notch on the top side of the water reservoir 6, and then rotate it ninety degrees. At this time, the water reservoir 6 will be engaged with the right-angled notch inside the fixing ring 16. The fixing ring 16 is fixedly connected to the top of the middle part of the water reservoir 6, and the outside of the fixing ring 16 is fixedly connected to the inner wall of the water outlet tube 17. By welding the water reservoir 6 and the fixing ring 16, the water outlet tube 17 and the fixing ring 16 are welded together to avoid water leakage. A right-angle tube 20 is fixedly connected to the bottom side of the water outlet cylinder 17, a water pump 21 is fixedly connected to the bottom side of the water reservoir 6, and a water outlet pipe 22 is fixedly connected to the output end of the water pump 21. By driving the water pump 21, the water outlet cylinder 17 at the input end pumps the water inside the water reservoir 6 out and then transports it out from the water outlet pipe 22 at the output end.

[0040] Reference Figure 1 , Figure 2 and Figure 8 , wherein the front ends of the two rotating components are provided with energy storage components for storing electrical energy, and the left and right ends of the energy storage components are electrically connected to the main conductors 28 for transmitting electrical energy, and the energy storage components include a generator 26, and the rotor inside the generator 26 is directly connected to the rotating shaft 12. Then the rotation of the rotating shaft 12 directly drives the rotor inside the generator 26 to rotate. At this time, it can be ensured that the rotational force is converted into electrical energy as much as possible. The top side of the generator 26 is fixedly connected to the rear end of the bottom side of the seat plate 3, and the left and right sides of the generator 26 are electrically connected to the battery 27. At this time, the generator 26 will convert the rotational force of the rotating shaft 12 into electrical energy and store it inside the battery 27. The far ends of the two batteries 27 are respectively electrically connected to the close ends of the bottom of the two main conductors 28, and the electrical energy of the battery 27 will be transmitted through the main conductors 28;

[0041] The top of the main conductor 28 is electrically connected to a plurality of slave conductors 29. The main conductor 28 serves as the main power transmission path, transferring power from the main conductor 28 to the energy-saving lamp 30. The bottom of the slave conductor 29 is electrically connected to the energy-saving lamp 30 for providing lighting. The top side of the plurality of support legs 1 is fixedly connected to a sunshade 33, which provides a space for tourists to shade and shelter from the rain. The adjacent side of each two support legs 1 is fixedly connected to a side plate 32 for supporting the main conductor 28 and the slave conductors 29, so that the slave conductors 29 can be arranged from front to back, and further the energy-saving lamps 30 can be arranged in a straight line, so that the light can be evenly distributed. The front end of the vertical board 8 is rotatably connected to a steering wheel 34, and the front and rear ends of the sunshade 33 are rotatably connected to a small windmill 35, which can rotate under the action of wind, increasing the fun of the playground. The left and right ends of the rear side of the vertical board 8 are fixedly connected to a pouring plate 36.

[0042] Working principle: When tourists are playing, they climb up to the seat plate 3 through the ladder 4 and then slide down the slide 5, so that tourists can experience the comfort of playing. At the same time, by driving the water pump 21, the water inside the water reservoir 6 is pumped out by the right-angle pipe 20, and then transported and flushed to the inside of the cross plate 7 through the outlet pipe 22. At this time, the water will slide down from the left and right ends of the bottom of the cross plate 7 and flush the waterwheel plate 14 on the two waterwheel rings 13 at the rear end of the strip plate 9, so that the waterwheel plate 14 can drive the waterwheel ring 13 to rotate, and use the rotating shaft 12 to provide support for the waterwheel ring 13, and then the waterwheel ring 13 drives the waterwheel plate 14 to rotate and guide the water to the waterwheel plate 14 outside the two waterwheel rings 13 at the rear end of the trapezoidal plate 10. Finally, the water will flow back to the inside of the water reservoir 6, and then flush back and forth, so that multiple waterwheel rings 13 and the external waterwheel plate 14 rotate together, thereby improving the viewing experience of tourists;

[0043] And by holding the filter cartridge 23 and driving the square block 25 to engage with the top of the water reservoir 6, and then pressing downward, the filter cartridge 23 will press against the arc plate 19, so that the arc plate 19 can squeeze the spring 18, and then the spring 18 can store elastic potential energy, and then give the arc plate 19 a reverse force to reset, rotate the filter cartridge 23 and drive the two square blocks 25 to rotate 90 degrees together, and when it cannot be rotated, the square block 25 forms a structure inside the water reservoir 6 due to the arc opening 15 opened, which can make the square block 25 rotate when it cannot be rotated. At this time, the top of the square block 25 will have a certain control, and the pressure on the filter cartridge 23 is released, so that the spring 18 is reset to push the arc plate 19 to slide, and then push the square block 25 to engage inside the water reservoir 6, further restricting the filter cartridge 23, thereby filtering the leaves or impurities that fall inside the water reservoir 6, and then avoiding blockage and affecting the speed of the water flow, and then avoiding the waterwheel ring 13 driving the waterwheel plate 14 to reduce the speed of rotation and affect the viewing effect; at the same time, it also has the effect of quickly installing and disassembling the filter cartridge 23, thereby improving the efficiency of maintenance;

[0044] The two rotating shafts 12 inside the strip plate 9 rotate so that they can drive the rotor inside the seat plate 3 to rotate together, convert the rotating force into electrical energy and store it inside the battery 27, and then transmit the electrical energy inside the battery 27 to multiple slave wires 29 through the main wire 28. The slave wires 29 will transfer the electrical energy to the energy-saving lamps 30, and the energy-saving lamps 30 can be lit, so that the outdoor windmill playground not only has the effect of swimming, but also has the effect of lighting, thereby improving the function of the device.

[0045] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A multifunctional outdoor windmill playground, comprising a plurality of supporting legs (1), characterized in that: The outer parts of the plurality of support legs (1) are fixedly connected to a square frame (2), the adjacent sides of the plurality of support legs (1) are fixedly connected to a seat plate (3), the right side of the seat plate (3) is fixedly connected to a slide (5), the rear end of the square frame (2) is fixedly connected to a water reservoir (6), the top ends of the adjacent sides of two of the support legs (1) are fixedly connected to a vertical plate (8), the bottom ends of the adjacent sides of two of the support legs (1) are fixedly connected to a strip plate (9), and the bottom ends of the adjacent sides of the two support legs (1) are fixedly connected to a trapezoidal The strip plate (9) and the trapezoidal plate (10) are rotatably connected at both left and right ends thereof to a rotating assembly for supporting subsequent components, the rear end of the rotating assembly is fixedly connected to a waterwheel ring (13), the outside of the waterwheel ring (13) is fixedly connected to a plurality of waterwheel plates (14), the inner wall of the water reservoir (6) is slidably connected to a filter cartridge (23), the bottom side of the inner wall of the water reservoir (6) is fixedly connected to two reset assemblies for resetting the filter cartridge (23), and the middle of the water reservoir (6) is fixedly connected to a water outlet cylinder (17).

2. A multifunctional outdoor windmill playground according to claim 1, characterized in that: The bottom side of the water outlet cylinder (17) is fixedly connected to a right-angle tube (20), the bottom side of the water reservoir (6) is fixedly connected to a water pump (21), the output end of the water pump (21) is fixedly connected to a water outlet pipe (22), wherein the front ends of the two rotating components are provided with energy storage components for storing electrical energy, the left and right ends of the energy storage components are electrically connected to a main conductor (28), the top end of the main conductor (28) is electrically connected to a plurality of slave conductors (29), and the bottom end of the slave conductor (29) is electrically connected to an energy-saving lamp (30).

3. A multifunctional outdoor windmill playground according to claim 1, characterized in that: The rotating assembly comprises a limiting ring (11), the exterior of each of the two limiting rings (11) being fixedly connected to the inner walls of the left and right ends of the strip plate (9) and the trapezoidal plate (10), respectively, and the inner walls of the limiting rings (11) being fixedly connected to a rotating shaft (12).

4. The multifunctional outdoor windmill playground according to claim 1, characterized in that: The front side of the seat plate (3) is fixedly connected to a ladder (4), the rear side of the vertical plate (8) is fixedly connected to a cross plate (7), a water outlet trough (31) is provided in the middle of the cross plate (7), the top sides of the plurality of support legs (1) are fixedly connected to a sunshade (33), the adjacent sides of every two support legs (1) are fixedly connected to a side plate (32), the front end of the vertical plate (8) is rotatably connected to a steering wheel (34), the front and rear ends of the sunshade (33) are rotatably connected to small windmills (35), and the left and right ends of the rear side of the vertical plate (8) are fixedly connected to water pouring plates (36).

5. The multifunctional outdoor windmill playground according to claim 2, characterized in that: The energy storage assembly comprises a generator (26), the top side of the generator (26) is fixedly connected to the rear end of the bottom side of the seat plate (3), the left and right sides of the generator (26) are electrically connected to batteries (27), and the far ends of the two batteries (27) are respectively electrically connected to the near ends of the bottoms of the two main conductors (28).

6. The multifunctional outdoor windmill playground according to claim 1, characterized in that: Two square blocks (25) are fixedly connected to the outside of the filter cartridge (23), and a support ring (24) is fixedly connected to the outside of the filter cartridge (23).

7. A multifunctional outdoor windmill playground according to claim 6, characterized in that: The reset assembly comprises a plurality of springs (18), the bottom ends of the plurality of springs (18) are respectively fixedly connected to the inner walls at the front and rear ends of the water reservoir (6), the top ends of every three springs (18) are fixedly connected to an arc plate (19), the bottom side of the filter cartridge (23) is in contact with the top side of the arc plate (19), the outsides of the two square blocks (25) are slidably connected to the middle inner wall of the water reservoir (6), the front and rear ends of the top side of the water reservoir (6) are both provided with an arc opening (15), the middle top end of the water reservoir (6) is fixedly connected to a fixing ring (16), and the outside of the fixing ring (16) is fixedly connected to the inner wall of the water outlet cartridge (17).

8. The multifunctional outdoor windmill playground according to claim 3, characterized in that: The rear ends of two of the rotating shafts (12) are respectively fixedly connected to the inner walls of the two waterwheel rings (13), the outer ends of two of the rotating shafts (12) are rotatably connected to the inner walls of the left and right ends of the strip plate (9), and the outer ends of the other two rotating shafts (12) are respectively rotatably connected to the inner walls of the left and right ends of the trapezoidal plate (10).

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