Height-adjustable foot pad device suitable for preventing patient from falling down from bed
By incorporating a sliding plate and a buffer trigger assembly within the foot support device, the drive motor is triggered by the patient's shift in center of gravity while standing, providing auxiliary pushing plate support force. This solves the problem that existing devices cannot effectively support patients and reduces the risk of falls.
Patent Information
- Application Number
- CN202520267478.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-19
- Publication Date
- 2026-01-09
- Estimated Expiration
- 2035-02-19
AI Technical Summary
Existing assistive devices such as crutches and walkers cannot effectively support patients who are unconscious or have difficulty moving, and medical staff or family members cannot provide 24-hour uninterrupted care, resulting in a high risk of patients falling out of bed.
An adjustable-height footrest device was designed. By setting a sliding plate and a buffer trigger component in the footrest base, the change in the patient's center of gravity when standing triggers the drive motor, which drives the auxiliary push plate to provide support and prevent falls.
It automatically provides auxiliary support when the patient is standing, reducing the risk of falling out of bed and improving patient safety.
Smart Images
Figure CN223773981U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of foot support equipment technology, specifically an adjustable height foot support device suitable for preventing patients from falling when getting out of bed. Background Technology
[0002] Because elderly people, those with weak constitutions, and post-operative recovery patients are prone to falling out of bed in hospital or home environments due to decreased physical function, weakened balance, and medication side effects.
[0003] Common assistive devices such as canes and walkers require patients to use them actively. For patients who are unconscious or have difficulty moving, they may not be able to provide effective support in a timely manner. Furthermore, the monitoring by medical staff or family members is limited and cannot provide 24-hour uninterrupted care. If a patient gets out of bed without supervision, accidents are likely to occur.
[0004] Therefore, there is a need for a foot support device that can assist patients in standing while they are on their toes. Utility Model Content
[0005] (a) Technical problems to be solved
[0006] To address the shortcomings of existing technologies, this invention provides an adjustable-height footrest device suitable for preventing patients from falling out of bed, thus solving the problems mentioned in the background section.
[0007] (II) Technical Solution
[0008] To achieve the above objectives, this utility model provides the following technical solution: an adjustable-height footrest device suitable for preventing patients from falling out of bed, characterized in that: it includes a base and a footrest base, the footrest base being embedded in the base, the footrest base having two first slots, a first sliding plate being slidably disposed in the first slots, a buffer triggering component being fixedly disposed between the first slots and the first sliding plate, the footrest base also having a second slot, third slots being formed at both ends of the second slot, a drive motor being fixedly disposed in the third slot, a first rotating shaft being rotatably disposed in the second slot, the output shafts of the two drive motors being fixedly connected to both ends of the first rotating shaft, a rotating plate being fixedly connected to the outer circumference of the first rotating shaft, and an auxiliary push plate being fixedly disposed on the rotating plate.
[0009] Preferably, the buffer triggering component includes a first slider and a first buffer cylinder. The first slider is slidably connected to the first buffer cylinder, the first slider is fixedly connected to one end wall of the first slot, the first buffer cylinder is fixedly connected to the foot pad base, a first limiting plate is fixedly connected inside the first buffer cylinder, a second sliding plate is slidably connected inside the first buffer cylinder, a first cavity is formed between the first slider, the first buffer cylinder and the second sliding plate, and a second cavity is formed between the foot pad base, the first buffer cylinder and the second sliding plate.
[0010] Preferably, the first limiting plate is provided with two first flow limiting grooves, and a second flow limiting groove is provided on the side of the first flow limiting groove away from the shaft core of the first limiting plate. A first connecting block is fixedly connected to one end face of the first limiting plate near the first slider, and a second limiting plate is fixedly connected to the first connecting block. A flow limiting plate is sleeved on the outer circular surface of the first connecting block.
[0011] Preferably, the first cavity is filled with damping oil and the second cavity is filled with inert gas.
[0012] Preferably, the radius of the flow limiting plate is greater than the distance between the first flow limiting groove and the shaft of the first limiting plate.
[0013] Preferably, a first contact is fixedly connected to one end face of the first connecting block near the first slider, and a second contact is fixedly connected to one end face of the first contact near the first connecting block. The first contact and the second contact are electrically connected, and the second contact is electrically connected to the drive motor.
[0014] (III) Beneficial Effects
[0015] This invention provides an adjustable-height footrest device suitable for preventing patients from falling out of bed. It has the following beneficial effects:
[0016] 1. This solution involves creating a first slot in the base of the foot pad and sliding a first sliding plate within the slot. A buffer triggering component is positioned between the first sliding plate and one side wall of the first slot. When the first sliding plate moves downward along the first slot, the buffer triggering component sends a drive signal to the drive motor. The drive motor then rotates the auxiliary push plate via the first rotating shaft and the rotating plate, providing an auxiliary pushing force to support the patient's weight while standing. This helps prevent the patient from falling out of bed and improves the safety of the foot pad device. Attached Figure Description
[0017] Figure 1 This is a schematic diagram of the main structure of this utility model;
[0018] Figure 2 This is a top view of the structure of this utility model;
[0019] Figure 3 for Figure 2 A schematic diagram of the cross-sectional structure of AA;
[0020] Figure 4 for Figure 3 A magnified structural diagram of B in the diagram.
[0021] In the diagram: 11. Base; 12. Foot pad base; 13. First slot; 14. First sliding plate; 15. Second slot; 16. Third slot; 17. First rotating shaft; 18. Drive motor; 19. Rotating plate; 20. Auxiliary push plate; 21. First slider; 22. First buffer cylinder; 23. First limiting plate; 24. Second sliding plate; 25. First cavity; 26. Second cavity; 27. First flow limiting groove; 28. Second flow limiting groove; 29. First connecting block; 30. Second limiting plate; 31. Flow limiting plate; 32. First contact point; 33. Second contact point. Detailed Implementation
[0022] This utility model embodiment provides an adjustable-height footrest device suitable for preventing patients from falling out of bed, such as... Figure 1-4 As shown, it includes a base 11, a foot pad base 12, a first slot 13, a first sliding plate 14, a second slot 15, a third slot 16, a first rotating shaft 17, a drive motor 18, a rotating plate 19, an auxiliary push plate 20, a first slider 21, a first buffer cylinder 22, a first limiting plate 23, a second sliding plate 24, a first cavity 25, a second cavity 26, a first flow limiting groove 27, a second flow limiting groove 28, a first connecting block 29, a second limiting plate 30, a flow limiting plate 31, a first contact point 32, and a second contact point 33.
[0023] like Figure 1-2 As shown, the foot pad base 12 is embedded in the base 11. The foot pad base 12 has two first slots 13. A first sliding plate 14 is slidably disposed in the first slot 13. A buffer trigger component is fixedly disposed between the first slot 13 and the first sliding plate 14. The foot pad base 12 also has a second slot 15. A third slot 16 is formed at both ends of the second slot 15. A drive motor 18 is fixedly disposed in the third slot 16. A first rotating shaft 17 is rotatably disposed in the second slot 15. The output shafts of the two drive motors 18 are fixedly connected to both ends of the first rotating shaft 17. A rotating plate 19 is fixedly connected to the outer circular surface of the first rotating shaft 17. An auxiliary push plate 20 is fixedly disposed on the rotating plate 19.
[0024] The buffer trigger assembly includes a first slider 21 and a first buffer cylinder 22. The first slider 21 and the first buffer cylinder 22 are slidably connected. The first slider 21 is fixedly connected to one end wall of the first slot 13. The first buffer cylinder 22 is fixedly connected to the foot pad base 12. A first limiting plate 23 is fixedly connected inside the first buffer cylinder 22. A second sliding plate 24 is slidably connected inside the first buffer cylinder 22. A first cavity 25 is formed between the first slider 21, the first buffer cylinder 22 and the second sliding plate 24. A second cavity 26 is formed between the foot pad base 12, the first buffer cylinder 22 and the second sliding plate 24. The first cavity 25 is filled with damping oil and the second cavity 26 is filled with inert gas.
[0025] Two first flow-limiting grooves 27 are provided on the first limiting plate 23. A second flow-limiting groove 28 is provided on the side of the first flow-limiting groove 27 away from the shaft of the first limiting plate 23. A first connecting block 29 is fixedly connected to the end face of the first limiting plate 23 near the first slider 21. A second limiting plate 30 is fixedly connected to the first connecting block 29. A flow-limiting plate 31 is sleeved on the outer circular surface of the first connecting block 29. The radius of the flow-limiting plate 31 is greater than the distance between the first flow-limiting groove 27 and the shaft of the first limiting plate 23.
[0026] A first contact 32 is fixedly connected to one end face of the first connecting block 29 near the first slider 21. A second contact 33 is fixedly connected to one end face of the first contact 32 near the first connecting block 29. The first contact 32 and the second contact 33 are electrically connected. The second contact 33 is electrically connected to the drive motor 18.
[0027] When the patient is performing the foot-raising exercise, the patient first places their feet on the first sliding plate 14 and attempts to stand. When the patient attempts to stand, their center of gravity shifts forward, and the patient pushes the first sliding plate 14 downward. The first sliding plate 14 then drives the first slider 21 to slide downward along the first buffer cylinder 22.
[0028] The first slider 21 compresses the damping oil in the first cavity 25 and pushes the damping oil through the second flow limiting groove 28 from between the first limiting plate 23 and the first slider 21 into between the first limiting plate 23 and the second sliding plate 24. The damping oil pushes the second sliding plate 24 downward, and the second sliding plate 24 compresses the inert gas in the second cavity 26 until the first contact 32 and the second contact 33 come into contact.
[0029] The second contact 33 triggers a drive signal, which drives the output shaft of the drive motor 18 to rotate. The output shaft of the drive motor 18 drives the first rotating shaft 17 to rotate. The first rotating shaft 17 drives the rotating plate 19 to rotate around the first rotating shaft 17 as the axis. The rotating plate 19 drives the auxiliary push plate 20 to provide auxiliary pushing force to the patient's buttocks.
[0030] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A height-adjustable footrest device suitable for preventing patients from falling out of bed, characterized in that: The device includes a base (11) and a foot pad base (12). The foot pad base (12) is embedded in the base (11). The foot pad base (12) has two first slots (13). A first sliding plate (14) is slidably disposed in the first slot (13). A buffer trigger component is fixedly disposed between the first slot (13) and the first sliding plate (14). The foot pad base (12) also has a second slot (15). A third slot (16) is provided at both ends of the second slot (15). A drive motor (18) is fixedly disposed in the third slot (16). A first rotating shaft (17) is rotatably disposed in the second slot (15). The output shafts of the two drive motors (18) are fixedly connected to both ends of the first rotating shaft (17). A rotating plate (19) is fixedly connected to the outer circumference of the first rotating shaft (17). An auxiliary push plate (20) is fixedly disposed on the rotating plate (19).
2. The adjustable-height footrest device according to claim 1, suitable for preventing patients from falling out of bed, is characterized in that: The buffer triggering component includes a first slider (21) and a first buffer cylinder (22). The first slider (21) is slidably connected to the first buffer cylinder (22). The first slider (21) is fixedly connected to one end wall of the first slot (13). The first buffer cylinder (22) is fixedly connected to the foot pad base (12). A first limiting plate (23) is fixedly connected inside the first buffer cylinder (22). A second sliding plate (24) is slidably connected inside the first buffer cylinder (22). A first cavity (25) is provided between the first slider (21), the first buffer cylinder (22) and the second sliding plate (24). A second cavity (26) is provided between the foot pad base (12), the first buffer cylinder (22) and the second sliding plate (24).
3. A height-adjustable footrest device suitable for preventing patients from falling out of bed according to claim 2, characterized in that: Two first flow limiting grooves (27) are provided on the first limiting plate (23). A second flow limiting groove (28) is provided on the side of the first flow limiting groove (27) away from the shaft of the first limiting plate (23). A first connecting block (29) is fixedly connected to one end face of the first limiting plate (23) near the first slider (21). A second limiting plate (30) is fixedly connected to the first connecting block (29). A flow limiting plate (31) is sleeved on the outer circular surface of the first connecting block (29).
4. A height-adjustable footrest device suitable for preventing patients from falling out of bed according to claim 2, characterized in that: The first cavity (25) is filled with damping oil, and the second cavity (26) is filled with inert gas.
5. A height-adjustable footrest device suitable for preventing patients from falling out of bed according to claim 3, characterized in that: The radius of the flow limiting plate (31) is greater than the distance between the first flow limiting groove (27) and the shaft of the first limiting plate (23).
6. A height-adjustable footrest device suitable for preventing patients from falling out of bed according to claim 3, characterized in that: A first contact (32) is fixedly connected to one end face of the first connecting block (29) near the first slider (21), and a second contact (33) is fixedly connected to one end face of the first contact (32) near the first connecting block (29). The first contact (32) and the second contact (33) are electrically connected, and the second contact (33) is electrically connected to the drive motor (18).