Floating foot structure for floating sleep-aiding equipment

Abstract

The invention discloses a floating foot structure for floating sleep-aiding equipment. The problems that existing equipment is insufficient in buoyancy, large in resistance, high in noise and inflexible in state switching are solved. The floating foot structure comprises a buoyancy tank, a floating foot body sleeved in the buoyancy tank, a guide mechanism between the buoyancy tank and the floating foot body, and a liquid adjusting adaptive part in the floating foot body; the floating foot body is in a big-end-down outline, and both buoyancy and sinking and floating sensitivity are considered. The guide mechanism is arranged to be a plurality of balls, a columnar rod or an anti-collision assembly, so that resistance is reduced and collision is prevented; the liquid adjusting adaptation part is matched with the external assembly to adjust the total mass of the floating foot body, and smooth floating / landing switching of the floating foot body is achieved. The invention further provides equipment applying the structure, and the equipment can be provided with a driving module and a balancing module to optimize the using effect. The structure is matched with a sleeping-aiding bed baby sleeping basket and the like, light, high in strength, capable of being optimized in a scene mode, low in noise, capable of saving energy, stable in movement and outstanding in practicability.

Description

Technical Field

[0001] This invention relates to the field of floating sleep aid devices, and in particular to a floating foot structure for a floating sleep aid device. Background Technology

[0002] With the increasing demand for sleep health, floating sleep aids (such as floating sleep beds, office nap chairs, and baby bassinets) are gradually becoming important devices for improving sleep quality due to their biomimetic design that simulates the floating environment of a fetus in the womb. The floating foot structure, as the core supporting component of these devices, directly determines the user experience of the sleep aid device through its buoyancy performance, resistance to movement, and flexibility in switching states.

[0003] Existing floating sleep aid devices mostly employ equal-diameter cylindrical or irregular contour designs for their support structures, resulting in two major drawbacks: First, it's difficult to balance buoyancy and motion resistance. The equal-diameter structure requires a larger cross-sectional area to ensure lifting stability, leading to a significant increase in liquid resistance during vertical movement. This not only demands greater driving force but also easily generates turbulent noise. Second, motion stability is insufficient. Traditional structures lack effective guiding mechanisms, making them prone to collisions with the pool wall during floating, affecting buoyancy sensitivity and generating additional noise. Furthermore, the current structures rely heavily on mechanical locking or airbag adjustment for state switching (floating / landing), which suffers from problems such as unsmooth switching and low precision in total mass adjustment, failing to achieve a dynamic balance between buoyancy and stability.

[0004] Therefore, developing a floating foot structure that combines high buoyancy, low motion resistance, smooth state switching, and low noise is key to solving the performance bottleneck of existing floating sleep aid devices. Summary of the Invention

[0005] The purpose of this invention is to provide a floating foot structure for a floating sleep aid device, so as to solve the technical problems of insufficient buoyancy, high movement resistance, high noise, and inflexible state switching of existing floating sleep aid device support structures.

[0006] This invention is achieved through the following technical solution:

[0007] In a first aspect, the present invention provides a floating foot structure for a floating sleep aid device, comprising:

[0008] A buoyancy box, wherein the top of the buoyancy box is provided with an opening;

[0009] A floating script body, which can be raised and lowered within the buoyancy box by changing the direction of liquid flow;

[0010] A guiding mechanism is provided between the floating script body and the buoyancy box to reduce the damping force when the floating script body moves and to prevent it from colliding and impacting with the inner wall of the buoyancy box.

[0011] A liquid adjustment adapter is located inside the floatation script body and is used to cooperate with an external liquid adjustment component to switch between a floating state and a stable landing state by adjusting the total mass of the floatation script body.

[0012] As a further improvement to the technical solution of the present invention, the guiding mechanism is a multi-ball guiding mechanism, including a groove circumferentially opened along the outer side wall of the floating script body, and a ball assembly embedded in the groove; the ball assembly includes a retainer and a plurality of balls, the retainer is fixed in the groove, the balls are rotatably mounted on the retainer, and a portion of the spherical surface of the balls protrudes from the outer side wall of the floating script body.

[0013] As a further improvement to the technical solution of the present invention, the guiding mechanism is a columnar rod guiding mechanism, including a columnar guide rod arranged circumferentially along the outer side wall of the floating body or a columnar guide rod arranged circumferentially along the inner side wall of the buoyancy box.

[0014] As a further improvement to the technical solution of the present invention, the guiding mechanism is an anti-collision component; the anti-collision component includes an anti-collision connecting block, an anti-collision mounting plate, and anti-collision cables; multiple anti-collision connecting blocks are provided and are equally distributed on the circumferential sidewall of the buoyancy box opening; the anti-collision mounting plate is provided on the top of the floating body; multiple connecting ends are equally distributed on the anti-collision mounting plate; multiple anti-collision cables are provided, one end of each anti-collision cable is connected to the corresponding anti-collision connecting block, and the other end is connected to the corresponding connecting end; the relative concentric position of the floating body and the buoyancy box is controlled by the multiple anti-collision cables.

[0015] As a further improvement to the technical solution of the present invention, the floating script body has a contour structure that is larger at the bottom and smaller at the top, including an integrally formed lower enlarged structure and an upper shrinking structure. The lower enlarged structure is used to enhance buoyancy to stabilize and support the load, and the upper shrinking structure is used to reduce the liquid resistance of vertical movement and improve the floating sensitivity.

[0016] As a further improvement to the technical solution of the present invention, the liquid adjustment adapter includes a sealed cavity disposed inside the floating script body, and an inlet / outlet opening on the side wall of the upper narrowing structure, the inlet / outlet being connected to the sealed cavity; a sealing joint is provided at the inlet / outlet for detachable connection with the flow channel of the external liquid adjustment component.

[0017] As a further improvement to the technical solution of the present invention, the liquid adjustment adapter includes a sealed cavity disposed inside the floatation body, a first inlet / outlet pipe extending into the bottom of the inner cavity of the floatation body, and a second inlet / outlet pipe extending into the bottom of the inner cavity of the buoyancy box; the first inlet / outlet pipe and the second inlet / outlet pipe are respectively connected to an external liquid adjustment assembly.

[0018] As a further improvement to the technical solution of the present invention, the top of the floating script body is provided with a connecting flange, and the connecting flange has several connecting holes for detachable connection with the carrier of the floating sleep aid device; a buffer bushing is provided inside the connecting hole, and the buffer bushing is made of rubber or silicone material.

[0019] As a further improvement to the technical solution of the present invention, at least two sets of the multi-ball guide mechanism are provided along the height direction of the floating script body, and the number of balls in each set of the multi-ball guide mechanism is not less than 6, and they are evenly distributed along the circumference of the groove; the balls are made of silicon nitride ceramic or stainless steel, and the diameter of the balls is 8-15mm.

[0020] As a further improvement to the technical solution of the present invention, the ratio of the outer diameter of the lower enlarged structure to the outer diameter of the upper reduced structure is 1.5-3:1, and the height of the lower enlarged structure accounts for 1 / 2-2 / 3 of the total height of the floating script body; the bottom of the upper reduced structure and the top of the lower enlarged structure are smoothly transitioned, and the transition is provided with a rounded corner with a radius of 5-15mm.

[0021] As a further improvement to the technical solution of the present invention, the floating sleep aid device adapted to the floating foot structure includes a floating sleep aid bed or an infant bassinet; when adapted to an infant bassinet, the outer diameter of the lower enlarged structure of the floating foot body is reduced to meet the infant's weight requirements, and the volume of the sealed cavity is 500-1500mL.

[0022] As a further improvement to the technical solution of the present invention, the liquid is water or high-density salt water with a density ≥1.1g / cm³.

[0023] Secondly, the present invention provides a floating sleep aid device, including an external liquid tank, a liquid adjustment component, and the aforementioned floating foot structure; the floating foot body is fixedly connected to a carrier, the external liquid tank is connected to the floating body tank through the liquid adjustment component, and the liquid adjustment component is used for bidirectional transfer of liquid between the external liquid tank and the floating foot body to adjust the total mass of the carrier and the floating foot body, thereby achieving switching between a floating state and a stable grounded state.

[0024] As a further improvement to the technical solution of the present invention, the carrier is provided with a drive module and / or a balance module; the drive module is four sets of eccentric wheels arranged in pairs opposite each other or two sets of four-axis eccentric wheels; the balance module is a gyroscope or a motor-driven counterweight.

[0025] In summary, the present invention has the following beneficial effects:

[0026] This invention utilizes a guide mechanism positioned between the floatation body and the buoyancy box to reduce motion damping force and avoid collisions and noise with the inner wall of the buoyancy box. The liquid adjustment adapter inside the floatation body works in conjunction with the external liquid adjustment components to achieve smooth switching between floating and stable ground states through precise adjustment of the total mass. The ingenious overall structural design effectively solves the technical problems of insufficient buoyancy, high motion resistance, high noise, and inflexible state switching in existing floating sleep aid devices. It provides core support for various devices such as floating sleep aid beds and baby bassinets, ensuring stable movement and low noise while reducing driving force requirements and energy consumption, significantly improving the user experience and adaptability of sleep aid devices. Attached Figure Description

[0027] Figure 1 This is a schematic diagram of the structure of the floating script body in an embodiment of the present invention;

[0028] Figure 2 This is a schematic diagram of the state in which the external liquid storage tank draws liquid into the floating script body, causing the floating script body to land, in an embodiment of the present invention.

[0029] Figure 3 This is a schematic diagram illustrating the stable floating state of the floating script body as it draws liquid into the external storage tank in an embodiment of the present invention.

[0030] Figure 4 This is a schematic diagram of the structure of the built-in ball-bearing floating script in an embodiment of the present invention;

[0031] Figure 5 This is a schematic diagram of the vertical ball-bearing floating script body structure in an embodiment of the present invention;

[0032] Figure 6 This is a schematic diagram of the spiral ball-bearing floating script body structure in an embodiment of the present invention;

[0033] Figure 7 This is a schematic diagram of the columnar rod-type floating script body structure in an embodiment of the present invention;

[0034] Figure 8 This is a schematic diagram of the buoyancy box in an embodiment of the present invention;

[0035] Figure 9 This is a partial structural schematic diagram of the liquid regulating component in an embodiment of the present invention;

[0036] Figure 10 This is a schematic diagram of the sleep aid bed in the ground position in an embodiment of the present invention;

[0037] Figure 11 This is a schematic diagram of the floating state of the sleep aid bed in an embodiment of the present invention;

[0038] Figure 12 This is a schematic diagram of the baby bassinet on the ground in an embodiment of the present invention;

[0039] Figure 13 This is a schematic diagram of the baby bassinet in a floating state in an embodiment of the present invention;

[0040] Figure 14 This is a schematic diagram of the floating script body with columnar guide rods and the buoyancy box before assembly in an embodiment of the present invention;

[0041] Figure 15 This is a schematic diagram of the buoyancy box and the floating body with columnar guide rods before assembly in an embodiment of the present invention;

[0042] Figure 16 This is a schematic diagram of the state in which the external liquid storage tank uses a forward and reverse reversing transfer pump to draw liquid into the floating script body, causing the floating script body to land.

[0043] Figure 17 This is a schematic diagram of another preferred structure of the buoyancy box in an embodiment of the present invention;

[0044] Figure 18 This is a schematic diagram of another preferred structure of the floating script body in an embodiment of the present invention;

[0045] Figure 19 This is a schematic diagram of another preferred assembly structure of the buoyancy box and the floating script body in an embodiment of the present invention;

[0046] Figure 20 This is a schematic diagram of the assembly structure of the buoyancy box and the carrier in an embodiment of the present invention;

[0047] Figure 21 This is a schematic diagram of the floating state of the floating script body in an embodiment of the present invention;

[0048] Figure 22 This is a schematic diagram of the floating script body landing state in an embodiment of the present invention;

[0049] Figure 23 This is a schematic diagram of the structure of the floating sleep aid device in this embodiment of the invention, showing four sets of eccentric wheels arranged in pairs opposite each other.

[0050] Figure 24 This is a schematic diagram of the floating sleep aid device with two sets of four-axis deflection wheels installed in an embodiment of the present invention;

[0051] Figure 25This is a schematic diagram of the floating sleep aid device in an embodiment of the present invention, which is equipped with two sets of four-axis deflection wheels and a gyroscope.

[0052] Figure 26 This is a schematic diagram of the floating sleep aid device in an embodiment of the present invention, showing the installation of two sets of four-axis deflection wheels and a motor-driven counterweight.

[0053] Figure 27 This is a schematic diagram of the four-axis bias wheel in an embodiment of the present invention;

[0054] Figure 28 This is a schematic diagram of the structure of the gyroscope in an embodiment of the present invention;

[0055] Figure 29 This is a schematic diagram of the structure of the motor-driven counterweight block in an embodiment of the present invention;

[0056] Figure 30 This is a schematic diagram illustrating the use of a forward and reverse reversing transfer pump for liquid preparation of four floating script bodies in an embodiment of the present invention;

[0057] Figure 31 This is a schematic diagram of the floating sleep aid device in an embodiment of the present invention, showing the structure of a single large single floating column at the bottom.

[0058] In the attached diagram: 10-Floating script body; 20-Guiding mechanism; 30-Liquid adjustment adapter; 40-Liquid adjustment component; 50-Liquid; 60-Carrier; 70-External liquid tank; 80-Buoyancy tank; 90-Drive module; 100-Balance module;

[0059] 11-Lower enlarged structure; 12-Upper reduced structure; 13-Connecting flange;

[0060] 21-Cage; 22-Ball bearing; 23-Columnar guide rod; 24-Anti-collision connecting block; 25-Anti-collision mounting plate; 26-Anti-collision cable; 251-Connecting end;

[0061] 31-Sealed cavity; 32-Inlet / outlet; 33-First inlet / outlet pipe; 34-Second inlet / outlet pipe;

[0062] 41-Input pump; 42-Output pump; 43-Output pipeline; 44-Input pipeline; 45-Level sensor; 46-Reverse transfer pump; 47-Transfer pipeline;

[0063] 61-Floating sleep aid bed; 62-Baby bassinet;

[0064] 91 - Eccentric wheel; 92 - Four-axis eccentric wheel;

[0065] 101 - Gyroscope; 102 - Motor-driven counterweight. Detailed Implementation

[0066] The present invention will now be described in detail with reference to the accompanying drawings and specific embodiments. The illustrative embodiments and descriptions of the present invention are used to explain the present invention, but are not intended to limit the present invention.

[0067] It should be noted that all directional indicators (such as up, down, left, right, front, back, upper end, lower end, top, bottom, etc.) in the embodiments of the present invention are only used to explain the relative positional relationship and movement of each component in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indicator will also change accordingly.

[0068] In this invention, unless otherwise explicitly specified and limited, the term "connection" should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral part; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be the internal communication of two components or the interaction between two components, unless otherwise explicitly limited. Those skilled in the art can understand the specific meaning of the above terms in this invention according to the specific circumstances.

[0069] Furthermore, in this invention, descriptions involving "first," "second," etc., are for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined with "first" or "second" may explicitly or implicitly include at least one of that feature. Additionally, the technical solutions of various embodiments can be combined with each other, but only on the basis of being achievable by those skilled in the art. If the combination of technical solutions is contradictory or impossible to implement, such a combination should be considered non-existent and not within the scope of protection claimed by this invention.

[0070] The present invention will be further described in detail below with reference to the accompanying drawings.

[0071] Please refer to Figures 1 to 15 In a first aspect, the present invention provides a floating foot structure for a floating sleep aid device, comprising:

[0072] Buoyancy box 80, wherein the top of the buoyancy box 80 is provided with an opening;

[0073] The floating script body 10 is raised and lowered within the buoyancy box 80 by changing the flow direction of the liquid 50.

[0074] A guiding mechanism 20 is disposed between the floating script body 10 and the buoyancy box 80 to reduce the damping force of the floating script body 10 during movement and to prevent it from colliding and impacting with the inner wall of the buoyancy box 80.

[0075] A liquid adjustment adapter 30 is disposed inside the floatation script body 10 and is used to cooperate with the external liquid adjustment component 40 to switch between floating state and stable landing state by adjusting the total mass of the floatation script body 10.

[0076] The floating body 10 has a contour structure that is larger at the bottom and smaller at the top, including an integrally formed lower enlarged structure 11 and an upper narrowed structure 12. The lower enlarged structure 11 is used to increase buoyancy to stabilize and support the load, and the upper narrowed structure 12 is used to reduce the resistance of the liquid 50 moving up and down and improve the sinking and floating sensitivity.

[0077] It should be noted that the core of the floating foot structure consists of the floating foot body 10, the guiding mechanism 20, and the liquid adjustment adapter 30. The floating foot body 10 adopts a "larger at the bottom and smaller at the top" contour design. The enlarged lower structure 11 obtains sufficient buoyancy by increasing the drainage volume, while the smaller upper structure 12 reduces the resistance of the liquid 50 during vertical movement by optimizing the shape. The guiding mechanism 20 is located between the floating foot body 10 and the buoyancy tank 80, which restricts lateral displacement and reduces damping during movement. The liquid adjustment adapter 30 works with the external liquid adjustment component 40 to change the total mass of the floating foot body 10 by injecting or extracting liquid 50, thereby achieving the switching between floating and landing states. The various components work together to form a complete functional logic of buoyancy provision, low-resistance movement, and state switching, which, together with the external liquid adjustment component 40 and / or the external liquid storage tank 70 of the floating sleep aid device, fulfills the support requirements of the sleep aid scenario.

[0078] This invention achieves a precise balance between buoyancy and movement flexibility through contour design, solving the problem of insufficient buoyancy and unstable lifting in traditional structures, while also overcoming the drawbacks of high energy consumption and noise caused by high movement resistance. The guide mechanism 20 effectively avoids collisions and impacts with the inner wall of the buoyancy box 80, improving movement stability. The liquid adjustment adapter 30 enables smooth switching between two states, adapting to different usage scenarios. The ingenious overall structural design is compatible with various floating sleep aid devices, significantly improving the user experience and adaptability of the device, while reducing the driving force requirements and operating noise.

[0079] In some embodiments, the ratio of the outer diameter of the lower enlarged structure 11 to the outer diameter of the upper reduced structure 12 is 1.5-3:1, and the height of the lower enlarged structure 11 accounts for 1 / 2-2 / 3 of the total height of the float body 10. The bottom of the upper reduced structure 12 smoothly transitions to the top of the lower enlarged structure 11, with rounded corners at the transition point, the radius of which is 5-15mm. This ratio range was determined through mechanical simulation and actual testing, ensuring that the lower enlarged structure 11 has sufficient drainage area to provide adequate buoyancy, while avoiding the upper reduced structure 12 from being too thin, resulting in insufficient structural stability. The height of the lower enlarged structure 11, accounting for 1 / 2-2 / 3 of the total height of the float body 10, brings the point of buoyancy closer to the bottom, improving stability during floating, while ensuring that the length of the upper reduced structure 12 is sufficient to fully exert its effect of reducing liquid resistance. This invention, by precisely limiting the outer diameter ratio and height ratio, further optimizes the synergistic effect of buoyancy and resistance, avoiding problems of insufficient buoyancy or excessive resistance caused by improper structural proportions. The reasonable proportion design improves the stability of the floating script body 10 in the floating state, reduces the resistance during up and down movement evenly, and further improves the sensitivity of sinking and floating. At the same time, it takes into account the requirements of structural strength and lightweight, and extends the service life.

[0080] In some embodiments, the guide mechanism 20 is a multi-ball guide mechanism, including a groove circumferentially formed along the outer side wall of the float column 10, and a ball assembly embedded in the groove; the ball assembly includes a retainer 21 and a plurality of balls 22, the retainer 21 is fixed in the groove, the balls 22 are rotatably mounted on the retainer 21, and a portion of the spherical surface of the balls 22 protrudes from the outer side wall of the float column 10.

[0081] It should be noted that the guide mechanism 20 is a multi-ball guide mechanism. A groove is circumferentially opened along the outer wall of the float column 10 to accommodate the retainer 21 and the balls 22. The retainer 21 is fixed within the groove, and the balls 22 are rotatably mounted on the retainer 21, with a portion of their spherical surface protruding from the outer wall of the float column 10. When the float column 10 moves up and down, the balls 22 generate rolling friction with the inner wall of the buoyancy tank, replacing traditional sliding friction. Simultaneously, the circumferentially distributed balls 22 restrict lateral displacement, preventing collisions. Compared to sliding friction, rolling friction significantly reduces motion damping force, reducing driving force requirements and energy consumption. The circumferentially evenly distributed balls 22 effectively restrict lateral displacement, avoiding collisions and impacts with the tank wall, and reducing operating noise. The rotatable design of the balls 22 ensures smooth movement and improves the sensitivity of the buoyancy response. The retainer 21 ensures stable installation of the balls 22, preventing them from falling off or shifting, thus guaranteeing the long-term reliable operation of the guide mechanism 20.

[0082] Reference Figure 7 as well as Figure 14 and Figure 15 In some embodiments, the guiding mechanism 20 is a columnar rod guiding mechanism, including columnar guide rods 23 arranged circumferentially along the outer side wall of the floatation body 10 or circumferentially along the inner side wall of the buoyancy tank 80, wherein... Figure 7 and Figure 14 As shown, the columnar guide rods 23 are circumferentially arranged on the outer wall of the floating base 10; as Figure 15 As shown, the columnar guide rods 23 are circumferentially arranged on the inner wall of the buoyancy box 80; as Figure 20 and Figure 21 As shown, the columnar guide rod 23 is formed by an inwardly recessed inner wall of the buoyancy box 80. It should be noted that the columnar guide rod 23 forms a sliding contact with the float column 10 and the inner wall of the buoyancy box 80, reducing the damping force when the float column 10 moves up and down, and at the same time limiting the lateral displacement of the float column 10 to avoid collision with the wall of the buoyancy box 80.

[0083] Reference Figures 17 to 19 In some embodiments, the guide mechanism 20 is an anti-collision component; the anti-collision component includes an anti-collision connecting block 24, an anti-collision mounting plate 25, and an anti-collision cable 26; multiple anti-collision connecting blocks 24 are provided and equally distributed on the circumferential sidewall of the opening of the buoyancy box 80; the anti-collision mounting plate 25 is provided on the top of the floating spool body 10; multiple connecting ends 251 are equally distributed on the anti-collision mounting plate 25; multiple anti-collision cables 26 are provided, one end of each anti-collision cable 26 is connected to the corresponding anti-collision connecting block 24, and the other end is connected to the corresponding connecting end 251; by controlling the relative concentric position of the floating spool body 10 and the buoyancy box 80 through multiple anti-collision cables 26, the collision impact between the floating spool body 10 and the inner wall of the buoyancy box 80 is effectively avoided, and the setting of the outer liquid tank 70 and the floating spool body 10 with a larger bottom and a smaller top can be eliminated.

[0084] In some embodiments, the liquid regulating adapter 30 includes a sealed cavity 31 disposed inside the float column body 10, and an inlet / outlet 32 ​​opened on the side wall of the upper shrinking structure 12, the inlet / outlet 32 ​​communicating with the sealed cavity 31; a sealing joint is provided at the inlet / outlet 32 ​​for detachable connection with the flow channel of the external liquid regulating assembly 40.

[0085] It should be noted that the sealed cavity 31 of the liquid regulating adapter 30 is located inside the float base 10 and is used to store liquid 50 to regulate the total mass. The inlet / outlet 32 ​​is opened on the side wall of the upper narrowing structure 12 and communicates with the sealed cavity 31. The sealing joint is installed at the inlet / outlet 32 ​​to achieve a detachable sealed connection with the flow channel of the external liquid regulating component 40. When the external liquid regulating component 40 injects liquid 50 into the sealed cavity 31 through the sealing joint, the total mass of the float base 10 increases, switching from a floating state to a grounded state; when the liquid 50 is extracted, the total mass decreases, switching back to a floating state. The sealed cavity 31 ensures no leakage during the storage of liquid 50, guaranteeing the accuracy of state adjustment; the sealed joint enables reliable connection with external components, preventing malfunctions caused by liquid 50 leakage; the inlet and outlet ports 32 are located on the side wall of the upper reduced structure 12, preventing obstruction or collision during movement and improving safety; the detachable connection facilitates maintenance and replacement, enhancing the practicality of the structure; the total mass is adjusted by the liquid volume, which is smoother and more precise than mechanical locking or airbag adjustment.

[0086] In some embodiments, the top of the floating script body 10 is provided with a connecting flange 13, the connecting flange 13 having a plurality of connecting holes for detachable connection with the carrier of the floating sleep aid device; a buffer bushing is provided inside the connecting holes, the buffer bushing being made of rubber or silicone material.

[0087] It should be noted that the connecting flange 13 is located at the top of the float foot body 10, and several connecting holes are provided for detachable connection with the float box via bolts, thus securing the float foot structure to the sleep aid device. The buffer bushing inside the connecting holes is made of rubber or silicone and is fitted inside the connecting holes. During bolt connection, the buffer bushing is sandwiched between the connecting flange 13 and the float box, absorbing vibrations generated during movement. The design of the connecting flange 13 and the connecting holes achieves a stable and detachable connection with the float box, facilitating installation, disassembly, and maintenance. The buffer bushing effectively absorbs vibrations generated by floating motion, avoiding vibration transmission and noise caused by rigid connections, thus improving user comfort. The rubber or silicone buffer bushing has good elasticity and wear resistance, and is not prone to aging over long-term use, ensuring the stability of the buffering effect. The detachable connection method also allows the float foot structure to be replaced individually, reducing equipment maintenance costs.

[0088] In some embodiments, at least two sets of the multi-ball guide mechanism are provided along the height direction of the floating script body 10, and each set of the multi-ball guide mechanism has no less than 6 balls 22, which are evenly distributed along the circumference of the groove; the balls 22 are made of silicon nitride ceramic or stainless steel, and the diameter of the balls 22 is 8-15mm.

[0089] It should be noted that at least two sets of multi-ball guide mechanisms are arranged along the height direction of the floating column body 10, with each set containing no fewer than six balls evenly distributed circumferentially to ensure uniform transmission of guiding force. The balls 22 are made of silicon nitride ceramic or stainless steel, with a diameter of 8-15mm, ensuring sufficient structural strength to withstand lateral forces while avoiding increased resistance due to excessive diameter. The balls 22 can rotate freely within the cage 21, forming multi-point rolling support with the water storage tank wall. The arrangement of multiple guide mechanisms enhances guiding stability, avoids motion deviation caused by a single guide mechanism, and improves the stability of the structure's movement. The evenly distributed circumferential balls 22 ensure uniform transmission of lateral forces, further suppressing collision impacts. The silicon nitride ceramic or stainless steel balls 22 have high strength, high wear resistance, and corrosion resistance, extending the service life of the guide mechanism. The reasonable diameter range of the balls 22 balances the guiding effect and motion resistance, ensuring that stability is improved without increasing additional energy consumption.

[0090] In some embodiments, the floating sleep aid device (carrier 60) adapted to the floating foot structure includes a floating sleep aid bed 61 or an infant bassinet 62; when adapted to an infant bassinet 62, the outer diameter of the lower enlarged structure 11 of the floating foot body 10 is reduced to meet the infant's weight requirements, and the volume of the sealed cavity 31 is 500-1500mL.

[0091] It should be noted that the floating foot structure adapts to different devices such as the floating sleep aid bed 61 or the baby bassinet 62 by adjusting the outer diameter of the lower enlarged structure 11 and the volume of the sealed cavity 31. When adapted to the baby bassinet 62, the outer diameter of the lower enlarged structure 11 is reduced according to the baby's weight requirements, and the volume of the sealed cavity 31 is set to 500-1500mL to ensure that the generated buoyancy matches the baby's weight and the mass of the bassinet, avoiding safety hazards caused by excessive or insufficient buoyancy. This invention, through the adaptation and adjustment of size and volume, enables the floating foot structure to meet the usage needs of different types of sleep aid devices, expanding its application range. The specific optimization for the baby bassinet 62 ensures the safety and comfort of the baby during use, solving the problem of insufficient safety when adapting traditional structures to special populations. The volume range of the sealed cavity 31 precisely matches the baby's weight requirements, ensuring floating stability while avoiding excessive inertia during state transitions, improving the reliability of use in special scenarios. Multi-device adaptability also reduces product development costs and enhances the market competitiveness of the structure.

[0092] In some embodiments, the liquid 50 is water or high-density saline solution with a density ≥1.1 g / cm³. It should be noted that selecting water or high-density saline solution with a density ≥1.1 g / cm³ for the liquid 50 provides a wider range of mass adjustment within the same volume, adapting to floating sleep aid devices with different load-bearing requirements.

[0093] Secondly, the present invention provides a floating sleep aid device, including an external liquid tank 70, a liquid adjustment component 40, and the aforementioned floating foot structure; the floating foot body 10 is fixedly connected to a carrier, the external liquid tank 70 is connected to the floating body box through the liquid adjustment component 40, and the liquid adjustment component 40 is used for bidirectional transfer of liquid between the external liquid tank 70 and the floating foot body 10 to adjust the total mass of the carrier and the floating foot body 10, thereby achieving the switching between a floating state and a stable grounded state.

[0094] It should be noted that the floatation body 10 is disposed inside the buoyancy tank 80 and fixedly connected to the carrier. The external liquid storage tank 70 is connected to the floatation body 10 through a pipe. The liquid adjustment component 40 includes an input pump 41 and an output pump 42 connected to the inlet and outlet 32, respectively. The input pump 41 and the output pump 42 respectively realize the bidirectional transfer of liquid 50 between the floatation body 10 and the external liquid storage tank 70. When the carrier 60 needs to float, the output pump 42 draws the liquid 50 in the floatation body 10 to the external liquid storage tank 70 through the output pipe 43, reducing the total mass of the floatation body 10 and the carrier 60, so that the total mass is balanced with the buoyancy generated by the liquid 50 in the buoyancy tank 80, and the carrier 60 enters the floating state. When the carrier 60 needs to land, the input pump 41 injects the liquid 50 in the external liquid storage tank 70 into the floatation body 10 through the input pipe 44, increasing the total mass so that it is greater than the buoyancy, the floatation body 10 adheres to the bottom of the buoyancy tank 80, and the carrier 60 lands stably. The float base 10 adopts a contour design that is larger at the bottom and smaller at the top. The enlarged lower structure 11 increases the drainage volume to enhance buoyancy, while the narrowed upper structure 12 reduces motion resistance to improve floating sensitivity. The guide mechanism 20 is located between the float base 10 and the buoyancy tank 80, reducing motion damping through rolling contact or small-area sliding. The special contour design of the float base 10 balances high buoyancy and low motion resistance, ensuring stable support of the human body and the mass of the carrier 60 while reducing the driving force required for slight swaying of the carrier 60, achieving energy-saving and low-noise effects. The cooperative design of the liquid adjustment component 40 and the dual liquid tanks makes the switching between the floating and grounded states of the carrier 60 convenient and reliable, improving the system's operational flexibility. The guide mechanism 20 not only further reduces motion damping but also avoids collisions and impacts between the float base 10 and the walls of the buoyancy tank 80, reducing operating noise while ensuring the smooth movement of the carrier 60 and improving user comfort.

[0095] Reference Figure 16In some embodiments, the liquid regulating assembly 40 includes a forward and reverse reversible pump 46 connected to the inlet and outlet 32; the forward and reverse reversible pump 46 enables bidirectional transfer of liquid 50 between the float spool 10 and the outer storage tank 70. When the carrier 60 needs to float, the forward and reverse reversible pump 46 rotates forward to pump the liquid 50 in the float spool 10 to the outer storage tank 70 through the delivery pipe 47, reducing the total mass of the float spool 10 and the carrier 60, so that the total mass is balanced with the buoyancy generated by the liquid 50 in the buoyancy tank 80, and the carrier 60 enters a floating state; when the carrier 60 needs to land, the forward and reverse reversible pump 46 rotates in reverse to inject the liquid 50 in the outer storage tank 70 into the float spool 10 through the delivery pipe 47, increasing the total mass to be greater than the buoyancy, so that the float spool 10 adheres to the bottom of the buoyancy tank 80, and the carrier 60 lands stably.

[0096] In some embodiments, the lower enlarged structure 11 is an inverted frustum or an inverted pyramid structure, with a bottom outer diameter to height ratio of 1.2-2.0, and the sidewall of the lower enlarged structure 11 forming an angle of 15°-30° with the vertical direction.

[0097] It should be noted that the lower enlarged structure 11 adopts an inverted frustum or inverted truncated cone structure. By setting the ratio of the bottom outer diameter to the height within a range of 1.2-2.0, and the angle between the sidewall and the vertical direction within a range of 15°-30°, the drainage volume is maximized to obtain sufficient buoyancy. This combination of structural shape and dimensional parameters ensures that the buoyancy required to stably support the load can be generated within a limited installation space, while also taking into account structural compactness and avoiding the impact of excessive volume on the overall layout of the equipment. The specific structural shape and dimensional parameters precisely match the buoyancy requirements, ensuring that the floating foot structure can stably support the total mass of the human body and the equipment, solving the problem of insufficient buoyancy in traditional constant-diameter structures; compared with irregular contours, the inverted frustum or inverted truncated cone structure has a simpler manufacturing process and better mass production consistency; the reasonable range of the angle and dimension ratio makes the structure adaptable to sleep aid devices with different load-bearing requirements, improving the versatility and practicality of the structure.

[0098] In some embodiments, the upper shrinkage structure 12 is a frustum or truncated cone structure, with the ratio of its top outer diameter to its bottom outer diameter being 0.4-0.7, and the angle between the sidewall of the upper shrinkage structure 12 and the vertical direction being 5°-15°.

[0099] It should be noted that the upper shrinking structure 12 adopts a frustum or truncated cone structure, with a top outer diameter to bottom outer diameter ratio ranging from 0.4 to 0.7, and a sidewall angle ranging from 5° to 15° with the vertical direction. This reduces turbulence and eddies when the liquid flows over the surface. A 5-15mm radius is provided at the transition between the upper shrinking structure 12 and the lower enlarged structure 11 to further optimize the liquid flow path and reduce flow resistance. This design reduces liquid resistance during movement through shape optimization, improving the buoyancy response speed. The frustum or truncated cone structure, along with reasonable size ratios and angle designs, significantly reduces liquid resistance during vertical movement, greatly improving buoyancy sensitivity and reducing drive energy consumption. The transition radius effectively suppresses eddy current generation, further reducing operating noise and improving user comfort. The smooth transition of the structural shape also enhances the mechanical stability of the structure, avoiding damage caused by stress concentration and extending its service life.

[0100] In some embodiments, the floating script body 10 is made of a lightweight and high-strength material, such as carbon fiber composite material, reinforced polyamide, or ABS engineering plastic; the outer wall of the floating script body 10 is provided with an anti-corrosion coating, such as a polytetrafluoroethylene coating or a polyurethane coating.

[0101] It should be noted that the floating body 10 is made of lightweight, high-strength materials such as carbon fiber composites, reinforced polyamide, or ABS engineering plastics. This reduces its own mass and improves buoyancy utilization while ensuring sufficient structural strength to withstand the load. The outer wall is coated with polytetrafluoroethylene or polyurethane, forming a corrosion barrier to resist the erosion of water or high-density salt water. The selection of lightweight, high-strength materials achieves a balance between structural lightweighting and high strength, solving the problems of low buoyancy utilization and high energy consumption associated with traditional heavy materials. The anti-corrosion coating effectively extends the structure's service life in liquid environments and reduces maintenance costs. Multiple material options and coating types adapt to different usage environments and cost requirements, improving the structure's market applicability. The combination of materials and coatings also enhances the structure's wear resistance, making it suitable for long-term, repetitive motion applications.

[0102] In some embodiments, the bottom of the floating script body 10 is provided with a landing buffer part, which is an annular buffer pad. The annular buffer pad is made of elastic rubber with a thickness of 10-20mm, and the bottom surface of the annular buffer pad is provided with anti-slip texture.

[0103] It should be noted that the landing buffer is a ring-shaped cushioning pad made of elastic rubber with a thickness of 10-20mm, installed on the bottom of the float foot body 10. The bottom surface of the cushioning pad has anti-slip texture to increase friction with the bearing surface. When the float foot structure switches to the landing state, the ring-shaped cushioning pad first contacts the bearing surface, absorbing the landing impact through the elastic deformation of the rubber, while the anti-slip texture prevents the equipment from shifting on the bearing surface. The ring-shaped cushioning pad made of elastic rubber effectively absorbs the landing impact, avoiding equipment damage and noise caused by rigid contact, and improving landing stability; the anti-slip texture enhances the friction with the bearing surface, preventing the equipment from shifting during use and ensuring safety; the 10-20mm thickness range ensures the cushioning effect while avoiding affecting the overall height layout of the equipment due to excessive thickness; the ring structure ensures even force distribution, further improving the stability and structural reliability in the landing state.

[0104] Example 1: Specific structure of the floating foot structure

[0105] Reference Figures 1 to 15 This invention provides a floating foot structure for a floating sleep aid device, including a floating foot body 10, a guiding mechanism 20, and a liquid adjustment adapter 30. The three components work together to achieve the core functions of high buoyancy, low resistance, and stable switching.

[0106] 1. Floating script body 10

[0107] The floating base 10 is the core load-bearing component. It adopts a "larger at the bottom and smaller at the top" contour design and is integrally molded. The material is carbon fiber composite material (or reinforced polyamide, ABS engineering plastic), which combines lightweight characteristics with high strength. It can reduce its own mass while ensuring structural stability and improving buoyancy utilization.

[0108] The floating script body 10 includes a lower enlarged structure 11 and an upper reduced structure 12:

[0109] The lower enlarged structure 11 can be an inverted frustum (or an inverted pyramidal structure), with a bottom outer diameter D1 to height H1 ratio of 1.5 (ranging from 1.2 to 2.0), and the sidewall angle α with the vertical direction is 20° (ranging from 15° to 30°). This structural design maximizes the drainage volume to ensure stable support of the total mass of the floating sleep aid device and the human body (when adapted for adult scenarios, the buoyancy of a single floating base 10 can reach 50-80 kg).

[0110] The upper shrinking structure 12 can be a frustum (or truncated cone) structure, with a top outer diameter D2 to bottom outer diameter D3 ratio of 0.5 (range 0.4-0.7), and the sidewall angle β with the vertical direction is 10° (range 5°-15°). This structure can significantly reduce the liquid turbulence resistance during vertical movement, improve the buoyancy sensitivity of the floating script body 10 by more than 40%, and reduce the driving force requirement, thus achieving energy saving.

[0111] The bottom of the upper shrinking structure 12 and the top of the lower enlarged structure 11 are smoothly transitioned by rounded corners with a radius R of 10mm (range 5-15mm), which further reduces the generation of eddies during liquid flow and lowers operating noise.

[0112] The outer wall of the float body 10 is coated with a polytetrafluoroethylene anti-corrosion coating (or a polyurethane coating) with a thickness of 0.5-1mm, which can effectively resist the erosion of water or high-density salt water and extend its service life. The top is equipped with a connecting flange 13, which has 4 evenly distributed connecting holes for detachable connection with the float box of the floating sleep aid device by bolts. The connecting holes are equipped with silicone buffer bushings to absorb the vibration during floating movement and avoid noise generated by rigid connection.

[0113] The bottom of the floating base 10 is equipped with a landing buffer, which is a ring-shaped elastic rubber pad with a thickness of 15mm (range 10-20mm) and a diamond-shaped anti-slip texture on the bottom surface. When the floating base 10 is in the landing state, the buffer can absorb the impact force and improve the stability of the equipment, while the anti-slip texture prevents the equipment from shifting.

[0114] 2. Guiding mechanism 20

[0115] The guide mechanism 20 is a multi-ball guide mechanism, with two (or more) sets arranged along the height direction of the float body 10. Each set includes a cage 21 and balls 22.

[0116] The groove is formed on the outer wall of the floating ball body 10, located below the transition area between the upper shrinking structure 12 and the lower enlarging structure 11. The groove is 20mm wide and 10mm deep, and is used to accommodate the ball assembly.

[0117] The retainer 21 is made of engineering plastic and is fixedly embedded in the groove. It has 8 mounting holes evenly distributed around its circumference (the number of holes is not less than 6) for installing the ball bearings.

[0118] The ball bearing is made of silicon nitride ceramic (or stainless steel) and has a diameter of 12mm (range 8-15mm). It is rotatably installed in the mounting hole of the cage 21, and part of the spherical surface of the ball bearing (protruding by 3-5mm) protrudes from the outer wall of the float body 10.

[0119] The working principle of the guiding mechanism 20 is as follows: When the floating column 10 moves up and down, the balls form rolling friction with the outer liquid storage tank wall (the inner wall of the buoyancy box 80), which reduces the damping coefficient of traditional sliding friction from 0.3-0.5 to 0.05-0.1, greatly reducing the motion resistance; at the same time, the circumferentially evenly distributed balls can limit the lateral displacement of the floating column 10, avoid it from colliding and impacting with the water storage tank wall, and further reduce the operating noise (the operating noise can be controlled below 30dB).

[0120] 3. Liquid adjustment adapter 30

[0121] The liquid regulating adapter 30 is located inside the float base 10 and is used to cooperate with the external liquid regulating component 40 to achieve state switching. It includes a sealed cavity 31, an inlet / outlet 32, and a sealing connector.

[0122] The sealed cavity 31 is a hollow structure located inside the floatation body 10, with a volume of 2000mL (suitable for adult scenarios). It is sealed using an integrated molding process to ensure no liquid leakage.

[0123] The inlet / outlet port 32 is located on the side wall of the upper narrowing structure 12 and communicates with the sealed cavity 31. The port has a diameter of 15 mm and is used for liquid injection and extraction.

[0124] The sealing joint adopts a threaded quick connector, which is fixedly installed at the inlet / outlet 32. It has a built-in sealing ring and is used for detachable connection with the liquid guide tube of the external liquid regulating component 40 to ensure the connection is sealed.

[0125] The working principle of the liquid adjustment adapter 30 is as follows: When switching to the floating state, the input pump 41 draws liquid from the sealed cavity 31 to the external liquid tank 70 through the input pipe 44 (liquid guide pipe), reducing the total mass of the float body 10 and balancing it with buoyancy; when switching to the landing state, the output pump 42 injects liquid from the external liquid tank 70 into the sealed cavity 31, increasing the total mass to be greater than buoyancy, allowing the float body 10 to land smoothly. By precisely controlling the amount of liquid injected, the floating height can be finely adjusted (adjustment accuracy is ±2mm).

[0126] Example 2: Floating foot structure adapted to baby bassinet 62

[0127] This embodiment is basically the same in structure as Embodiment 1, with only size optimization for the intended use of the baby bassinet 62:

[0128] The bottom outer diameter D1 of the lower enlarged structure 11 is reduced to 150-200mm, the volume of the sealed cavity 31 is 1000mL (range 500-1500mL), and the buoyancy of a single floater body 10 is adapted to the infant's weight (5-20kg) to ensure safety in use.

[0129] The diameter of the ball bearings has been reduced to 8mm, and the thickness of the ring-shaped cushioning pad is 10mm, resulting in a more compact overall structure that fits the installation space requirements of the 62-inch baby bassinet.

[0130] Example 3: Floating Sleep Aid Device

[0131] This invention also provides a floating sleep aid device, including a buoyancy box 80, an external liquid storage tank 70, a liquid adjustment component 40, and the floating foot structure described in Embodiment 1 or Embodiment 2 above (usually four floating foot structures are symmetrically arranged at the bottom of the device).

[0132] The floating body 10 is located inside the buoyancy box 80 and is fixedly connected to the carrier 60 to support the user's body (such as the bed frame of the sleep aid bed or the basket 62 of the baby sleeping basket).

[0133] The external liquid storage tank 70 is a tank for containing liquid, which is water or high-density salt water. The float body 10 is located inside the buoyancy tank 80, and the gap between its outer wall and the inner wall of the buoyancy tank 80 is 10-15mm to ensure the normal operation of the guide mechanism 20.

[0134] The liquid regulating assembly 40 includes an input pump 41 and an output pump 42, an input pipe 44, an output pipe 43, and a liquid level sensor 45. Both the input pump 41 and the output pump 42 are low-noise miniature diaphragm pumps (operating noise ≤25dB), and are connected to the sealing joint through the input pipe 44 and the output pipe 43. The liquid level sensor 45 is set on the inner wall of the upper reduced structure 12 and is used to detect the liquid level information in the sealed cavity 31 to achieve precise control of the total mass.

[0135] The working process of this floating sleep aid device:

[0136] Initialization: After the user starts the device, the output pump 42 extracts the liquid from the sealed cavity 31 of the float body 10, and the device enters the floating equilibrium state.

[0137] Floating motion: When the drive module 90 causes the carrier 60 to sway slightly up and down, the "larger at the bottom and smaller at the top" structure of the floating body 10, together with the multi-ball guide mechanism, works to reduce motion resistance and noise. The drive module 90 includes a controller, a noise-reducing spring, a stepper motor, and an eccentric wheel; the output shaft of the stepper motor is fixedly connected to the eccentric wheel; the noise-reducing spring is sleeved on the mounting connector of the stepper motor; the controller is signal-connected to the control module; the controller receives the drive control command from the control module and controls the stepper motor to drive the eccentric wheel to rotate, thereby driving the carrier to sway slightly through the eccentric force.

[0138] Status switching: When the user needs to stop using the device, the input pump 41 injects liquid into the sealed cavity 31, and the device lands smoothly.

[0139] Example 4: Specific structure of the floating foot structure 10

[0140] Reference Figures 17 to 29 This invention provides a floating foot structure for a floating sleep aid device, including a floating foot body 10, a guiding mechanism 20, and a liquid adjustment adapter 30. The three components work together to achieve the core functions of high buoyancy, low resistance, and stable switching.

[0141] 1. Floating script body 10

[0142] The floating script body 10 is the core load-bearing component. It is integrally molded and does not require a "larger bottom and smaller top" contour design. The material is carbon fiber composite material (or reinforced polyamide, ABS engineering plastic), which combines lightweight characteristics with high strength. It can reduce its own mass while ensuring structural stability and improve buoyancy utilization.

[0143] 2. Guiding mechanism 20

[0144] The guiding mechanism 20 is an anti-collision component; the anti-collision component includes an anti-collision connecting block 24, an anti-collision mounting plate 25, and anti-collision cables 26; multiple anti-collision connecting blocks 24 are provided and are equally distributed on the circumferential sidewall of the opening of the buoyancy box 80; the anti-collision mounting plate 25 is provided on the top of the floating base body 10; multiple connecting ends 251 are equally distributed on the anti-collision mounting plate 25; multiple anti-collision cables 26 are provided, one end of each anti-collision cable 26 is connected to the corresponding anti-collision connecting block 24, and the other end is connected to the corresponding connecting end 251; the relative concentric position of the floating base body 10 and the buoyancy box 80 is controlled by the multiple anti-collision cables 26. By setting up anti-collision components, the gap between the buoyancy box 80 and the floating script body 10 is widened, which eliminates tension and improves sensitivity. By controlling the relative concentric position of the floating script body 10 and the buoyancy box 80 through multiple anti-collision cables 26, the collision impact between the floating script body 10 and the inner wall of the buoyancy box 80 is effectively avoided, and the setting of the outer liquid storage tank 70 and the floating script body 10 with a larger bottom and a smaller top can be eliminated.

[0145] 3. Liquid adjustment adapter 30

[0146] The liquid adjustment adapter 30 is located inside the floatation body 10 and is used to cooperate with the external liquid adjustment component 40 to achieve state switching. It includes a sealed cavity 31, a first inlet / outlet pipe 33 extending into the bottom of the inner cavity of the floatation body 10, and a second inlet / outlet pipe 34 extending into the bottom of the inner cavity of the buoyancy box 80. The first inlet / outlet pipe 33 and the second inlet / outlet pipe 34 are respectively connected to the external liquid adjustment component 40.

[0147] The working principle of the liquid adjustment adapter 30 is as follows: When switching to the floating state, the forward and reverse transfer pump 46 draws liquid 50 from the sealed cavity 31 to the buoyancy tank 80 through the first inlet and outlet liquid pipes 33, reducing the total mass of the float body 10 and making it balanced with buoyancy; when switching to the landing state, the forward and reverse transfer pump 46 injects liquid 50 from the buoyancy tank 80 into the sealed cavity 31, increasing the total mass to be greater than buoyancy, and the float body 10 lands smoothly. By precisely controlling the amount of liquid 50 injected, the floating height can be finely adjusted (adjustment accuracy is ±2mm).

[0148] Example 5: Floating Sleep Aid Device

[0149] This invention also provides a floating sleep aid device, including a liquid regulating component 40 and the floating foot structure described in Embodiment 4 above (typically, four floating foot structures are symmetrically arranged at the bottom of the device).

[0150] The floating script body 10 is located inside the buoyancy box 80 and is fixedly connected to the carrier 60 to support the user's body.

[0151] The floatation body 10 is located inside the buoyancy box 80, and the gap between its outer wall and the inner wall of the buoyancy box 80 is 10-15mm to ensure the normal operation of the guide mechanism 20.

[0152] The liquid conditioning assembly 40 includes a forward and reverse transfer pump 46.

[0153] The working process of this floating sleep aid device:

[0154] Initialization: After the user starts the equipment, the forward and reverse conveying pump 46 pumps the liquid 50 in the sealed cavity 31 of the floatation body 10 to the buoyancy box 80, and the equipment enters the floating balance state.

[0155] Floating motion: When the drive module 90 causes the carrier 60 to sway slightly up and down, the drive module 90 consists of four sets of eccentric wheels 91 arranged in pairs (the eccentric wheels 91 rotating synchronously in opposite directions) or two sets of four-axis eccentric wheels 92, which drive the carrier to sway slightly through eccentric force. Increasing the synchronous rotation of the eccentric wheels in opposite directions makes the downward pulling force more stable. It maintains the horizontal balance force and superimposes the downward pulling force.

[0156] Status switching: When the user needs to stop using the equipment, the forward and reverse transfer pump 46 will pump the liquid 50 from the buoyancy box 80 to the sealed cavity 31, and the equipment will land smoothly.

[0157] Maintain slight swaying: If the user has particular difficulty falling asleep and wants the carrier to float and sway slightly during the turning process, a balance module 100 is set on the carrier. The balance module 100 is a gyroscope 101 or a motor-driven counterweight 102. The carrier maintains dynamic balance through the gyroscope 101 or the motor-driven counterweight 102.

[0158] It should be noted that, referring to Figure 30 In this embodiment, the four symmetrically arranged floats 10 at the bottom of the floating sleep aid device can be liquid-dispensed using a forward and reverse reversible pump 46. The forward and reverse reversible pump 46 is connected via pipes to the first inlet / outlet pipe 33 of each float 10 and the second inlet / outlet pipe 34 of each buoyancy tank 80. By precisely controlling the amount of liquid 50 injected, the forward and reverse reversible pump 46 can fine-tune the floating height of the floats 10 (adjustment accuracy ±2mm).

[0159] It should be noted that, referring to Figure 31 In this embodiment, the bottom of the floating sleep aid device can be equipped with a separate large single-unit float body 10. When switching to the floating state, the forward and reverse reversing pump 46 extracts the liquid 50 from the sealed cavity 31 to the buoyancy tank 80 through the first inlet and outlet liquid pipe 33, reducing the total mass of the float body 10 and making it balanced with buoyancy. When switching to the landing state, the forward and reverse reversing pump 46 injects the liquid 50 from the buoyancy tank 80 into the sealed cavity 31 through the second inlet and outlet liquid pipe 34, increasing the total mass to be greater than the buoyancy, and the float body 10 lands smoothly. By precisely controlling the amount of liquid 50 injected, the floating height can be finely adjusted (adjustment accuracy is ±2mm).

[0160] The technical solution of the present invention has the following advantages over the prior art:

[0161] The contour design achieves a precise balance between buoyancy and resistance: the float body adopts a "larger at the bottom and smaller at the top" structure. The enlarged structure at the bottom increases buoyancy by increasing the drainage volume, ensuring stable support of the total mass of the human body and equipment; the smaller structure at the top significantly reduces liquid resistance during up-and-down movement, reduces the driving force requirement, and achieves the dual advantages of energy saving and low noise, while improving the sensitivity of sinking and floating, making the switching of floating state smoother.

[0162] Multi-ball guide mechanism optimizes motion performance: The integrated multi-ball guide mechanism replaces sliding friction with rolling friction, which greatly reduces motion damping force. Combined with the circumferentially evenly distributed ball design, it effectively avoids collision and impact between the float body and the inner wall of the buoyancy box, further reducing operating noise and ensuring the stability and responsiveness of the floating motion.

[0163] Anti-collision components optimize the equipment structure: By setting up anti-collision components, the gap between the buoyancy tank and the floating column is widened, which eliminates tension and improves sensitivity. Multiple anti-collision cables control the relative concentric position of the floating column and the buoyancy tank, preventing the floating column from colliding with the inner wall of the buoyancy tank. At the same time, the setting of an outer liquid storage tank and a floating column that is larger at the bottom and smaller at the top can be eliminated.

[0164] The liquid adjustment adapter enables flexible state switching: through the cooperation of the sealed cavity and the external micro pump, the total mass of the float can be precisely adjusted, realizing a rapid switch between floating and stable states. This solves the problems of unsmooth switching and insufficient stability in traditional structures, and adapts to different usage scenarios.

[0165] Wide structural adaptability and high safety: The float body is designed with lightweight, high-strength materials and anti-corrosion coating, balancing structural strength and service life; the top connecting flange and buffer bushing design facilitates connection with various floating sleep aid devices, and the bottom buffer part improves landing stability; the size is optimized for special scenarios such as baby bassinets to ensure safety and expand the scope of application of the structure.

[0166] The technical solutions provided by the embodiments of the present invention have been described in detail above. Specific examples have been used to illustrate the principles and implementation methods of the embodiments of the present invention. The descriptions of the embodiments above are only for helping to understand the principles of the embodiments of the present invention. At the same time, for those skilled in the art, there will be changes in the specific implementation methods and application scope based on the embodiments of the present invention. Therefore, the content of this specification should not be construed as a limitation of the present invention.

Claims

1. A floating foot structure for a floating sleep-aiding device, characterized by The utility model provides a floating foot body, a floating foot body, a floating foot body, a floating foot body, a floating foot body, a floating foot body, a floating foot body, a floating foot body, a floating foot body, a floating foot body, a floating foot body, a floating foot body, a floating foot body, a floating foot body, a floating foot body, a floating foot body, a floating foot body, a floating foot body, a floating foot body, a floating foot body, a floating foot body, a floating foot body, a floating foot body, a floating foot body, a floating foot body, a floating foot body, a floating foot body, a floating foot body, a floating foot body, a floating foot body, a floating foot body, a floating foot body, a floating foot body, a floating foot body, a floating foot body, a floating foot body, a floating foot body, a floating foot body, a floating foot body, a floating foot body, a floating foot body, a floating foot body, a floating foot body, a floating foot body, a floating foot body, a floating foot body, a floating foot body, a floating foot body, a floating foot body, a floating foot body, a floating foot body, a floating foot body, a floating foot body, a floating foot body, a floating foot body, a floating foot body, a floating foot body, a floating foot body, a floating foot body, a floating foot body, a floating foot body, a floating foot body, a floating foot body, a floating foot body, a floating foot body, a floating foot body, a floating foot body, a floating foot body, a floating foot body, a floating foot body, a floating foot body, a floating foot body, a floating foot body, a floating foot body, a floating foot body, a floating foot body, a floating foot body, a floating foot body, a floating foot body, a floating foot body, a floating foot body, a floating foot body, a floating foot body, a floating foot body, a floating foot body, a floating foot body, a floating foot body, a floating foot body, a floating foot body, a floating foot body, a floating foot body, a floating foot body, a floating foot body, a floating foot body, a floating foot body, a floating foot body, a floating foot body, a floating foot body, a floating foot body, a floating foot body, a floating foot body, a floating foot body, a floating foot body, a floating foot body, a floating foot body, a floating foot body, a floating foot body, a floating foot body, a floating foot body, a floating foot body, a floating foot body, a floating foot body, a floating foot body, a floating ​ ​ ​ ​ 2. The floating sleep aid device floating foot structure of claim 1, wherein, ​ 3. The floating sleep aid device floating foot structure of claim 1, wherein, ​ 4. The floating sleep aid device floating foot structure of claim 1, wherein, ​ 5. The floating sleep aid device according to claim 1, wherein ​ 6. The floating sleep aid device floating foot structure of claim 5, wherein, ​ 7. The floating sleep aid device floating foot structure of claim 1, wherein, ​ 8. The floating sleep aid device floating foot structure of claim 2, wherein, ​ 9. A floating sleep-aiding device, comprising a liquid adjusting assembly, and / or an outer liquid storage tank, and the floating foot structure according to any one of claims 1-8; the floating foot body is fixedly connected with the carrier, the outer liquid storage tank is communicated with the floating body tank through the liquid adjusting assembly, the liquid adjusting assembly is used for bidirectional transmission of liquid between the outer liquid storage tank and the floating foot body, so as to adjust the total mass of the carrier and the floating foot body, and realize switching between floating state and stable landing state.

10. The floating sleep aid device of claim 9, wherein, A driving module and / or a balancing module are arranged on the carrier; the driving module is four sets of eccentric wheels arranged in pairs opposite to each other or two sets of four-axis deflection wheels; the balancing module is a gyroscope or a motor-driven counterweight.

Images