Anti-falling walking aid

Abstract

The utility model provides an anti-falling walking aid, which belongs to the technical field of medical instruments, and comprises a main body frame, a guide device is arranged below the front part of the main body frame, and at least two groups of moving devices are arranged at the bottom of the main body frame. The guiding device comprises a guiding plate and a steering mechanism, the guiding plate is located below the front portion of the main body frame and provided with a plane parallel to the ground, and the steering mechanism is connected with the guiding plate and the main body frame; the main body frame is provided with a handle, the handle is fixedly arranged at the top of the main body frame, the steering mechanism comprises a rotating shaft, a torsion spring and a locking device, the rotating shaft penetrates through the center of the guide plate and is fixedly connected with the main body frame, the torsion spring is arranged on the rotating shaft in a sleeving mode, the locking device is arranged at one end of the rotating shaft, and the handle is fixedly arranged at the top of the main body frame. According to the walking aid, the stability and the safety of the walking aid are improved for people with unstable gaits.

Description

Technical Field

[0001] The utility model belongs to the technical field of medical devices, and more specifically, relates to an anti-fall walking aid. Background Art

[0002] As a tool for assisting walking, walking aids are widely used in the elderly, the disabled, and postoperative rehabilitation patients to help them overcome walking difficulties and improve their quality of life. The traditional design of walking aids mainly focuses on providing support and balance assistance. Common types include four-legged walking aids, folding walking aids, etc. These walking aids help users maintain balance and reduce the risk of falling by increasing the contact area with the ground and providing stable support points.

[0003] However, with the accelerating aging process of society and the increasing demand for the functions of walking aids, the limitations of traditional walking aids are gradually emerging. First of all, most traditional walking aids lack personalized designs for specific user needs. For example, problems such as unstable gait and easy deviation in direction have not been effectively solved. Secondly, some walking aids sacrifice portability and comfort in design in order to focus too much on stability, resulting in inconvenience or discomfort for users during use. Moreover, the lack of an effective gait guidance mechanism makes users with poor gait control ability still have a relatively high risk of falling when using walking aids. Summary of the Utility Model

[0004] In view of this, the utility model provides an anti-fall walking aid. By setting a guiding device, the problem that users are prone to direction deviation when using traditional walking aids is solved, and the walking stability and safety of users are improved.

[0005] The utility model is implemented as follows:

[0006] The utility model provides an anti-fall walking aid, which includes a main body frame. A guiding device is arranged below the front part of the main body frame, and a moving device is arranged at the bottom of the main body frame. There are at least two groups of the moving devices. The guiding device includes a guiding plate and a steering mechanism. The guiding plate is located below the front part of the main body frame and has a plane parallel to the ground. The steering mechanism connects the guiding plate and the main body frame. A handle is arranged on the main body frame, and the handle is fixedly arranged at the top of the main body frame.

[0007] The technical effects of the anti-fall walking aid provided by the utility model are as follows: The guiding plate is designed to be parallel to the ground and slightly lifted off the ground to reduce the risk of tripping during walking. During use, it assists the user's feet to walk in a straight line, reduces lateral sliding, and improves walking stability.

[0008] On the basis of the above technical solutions, the anti-fall walking aid of the present utility model can be further improved as follows:

[0009] Among them, the steering mechanism includes a rotating shaft, a torsion spring and a locking device. The rotating shaft passes through the center of the guiding plate and is fixedly connected to the main body frame. The torsion spring is sleeved on the rotating shaft, and the locking device is arranged at one end of the rotating shaft for locking the position of the guiding plate.

[0010] Further, the torsional stiffness range of the torsion spring is from 0.1 N·m / rad to 1 N·m / rad.

[0011] Further, the moving device includes at least two wheels, and the diameter of the wheels is greater than or equal to 10 cm.

[0012] Further, the distance range between the guiding plate and the main body frame is from 5 cm to 15 cm.

[0013] The beneficial effects of adopting the above improvement scheme are as follows: The natural walking mode of a person is that the sole touches the ground in sequence from the heel to the toe and then pushes the body forward. The design of the guiding plate parallel to the ground simulates this process, allowing the foot to slide naturally and reducing the sense of obstruction during walking. The relatively low ground clearance makes the guiding plate almost flush with the ground, reducing the risk of tripping for the user, especially on indoor or flat roads.

[0014] Further, the end of the guiding plate is provided with an arc-shaped edge.

[0015] The beneficial effects of adopting the above improvement scheme are as follows: The contact surface of the guiding plate is designed to be arc-shaped. Even if the foot touches it occasionally, it will slide naturally along the arc surface instead of forming a hard obstruction, which can provide the necessary guidance without significantly affecting the walking smoothness.

[0016] Further, the included angle range between the guiding plate and the ground is from 0° to 15°.

[0017] The beneficial effects of adopting the above improvement scheme are as follows: The adjustable angle design of the guiding plate has a small range of variation. For example, the maximum deviation angle is limited within ±15°. This can provide a slight corrective force when the user's gait deviates from the normal direction without significantly changing the walking trajectory and avoiding interference with normal forward movement.

[0018] Further, the length range of the guiding plate is from 30 cm to 50 cm, and the width range is from 15 cm to 25 cm.

[0019] Further, the steering mechanism further includes a damper, and the damper is installed on one side of the rotating shaft.

[0020] The beneficial effects of adopting the above improvement scheme are as follows: A flexible damper is added at the connection between the guiding plate and the main frame. This damper can generate appropriate resistance when the guiding plate is subjected to external forces, but it will not completely prevent the natural movement of the foot. This means that even if the guiding plate attempts to guide the foot, if it encounters a large natural gait force, the guiding plate will conform rather than resist, ensuring that the user's freedom of movement is not restricted.

[0021] Further, at least one of the wheels is a swivel wheel, and the rest are fixed wheels.

[0022] Compared with the prior art, the beneficial effects of an anti-fall walking aid provided by the present utility model are as follows:

[0023] Accurate gait guidance: The adjustable foot guiding device can provide timely and appropriate direction guidance according to the gait characteristics of the user when walking, helping the user maintain straight walking and reducing the risk of falling caused by unstable gait;

[0024] Enhanced walking safety: Through the design of keeping the guiding plate parallel to the ground and combined with the precise adjustment of the damper, the smoothness of the guiding process is ensured, avoiding the risk of tripping that may exist in traditional walking aids, and greatly improving the walking safety;

[0025] Personalized adaptability: The position, height of the guiding plate and the resistance of the damper can all be adjusted according to the specific needs of the user, realizing the personalized customization of the functions of the walking aid and meeting the usage requirements of different users in different scenarios. Description of the Drawings

[0026] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following will briefly introduce the drawings required to be used in the description of the embodiments of the present utility model. Obviously, the following drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0027] Figure 1 It is an example diagram of an anti-fall walking aid;

[0028] Figure 2 It is an example diagram of a guiding device of an anti-fall walking aid;

[0029] Figure 3 It is an enlarged view of part A;

[0030] In the drawings, the list of components represented by each reference numeral is as follows:

[0031] 10. Main frame; 20. Guiding device; 21. Guiding plate; 22. Steering mechanism; 221. Rotating shaft; 222. Torsion spring; 30. Moving device; 40. Handle. Detailed implementation mode

[0032] To make the purpose, technical solution and advantages of the implementation mode of the present utility model clearer, the technical solution in the implementation mode of the present utility model will be clearly and completely described below in conjunction with the drawings in the implementation mode of the present utility model.

[0033] As Figure 1 、 Figure 2 、 Figure 3 shown, it is the first embodiment of an anti-fall walking aid provided by the present utility model. In this embodiment, it includes a main body frame 10. A guiding device 20 is arranged below the front part of the main body frame 10, and a moving device 30 is arranged at the bottom of the main body frame 10. There are at least two groups of moving devices 30. The guiding device 20 includes a guiding plate 21 and a steering mechanism 22. The guiding plate 21 is located below the front part of the main body frame 10 and has a plane parallel to the ground. The steering mechanism 22 connects the guiding plate 21 and the main body frame 10; A handle 40 is arranged on the main body frame 10, and the handle 40 is fixedly arranged at the top of the main body frame 10.

[0034] Specifically, the main body frame is provided with four legs.

[0035] When in use, the patient stands behind the walking aid and naturally holds the handle with both hands.

[0036] Push the walking aid forward a short distance, and then follow the movement of the walking aid and take a step, allowing the foot to naturally cross the guiding plate.

[0037] Continue to repeat the above steps, maintaining a uniform pace, and let the guiding plate gently touch the side of the foot when necessary to provide direction guidance.

[0038] Connection method:

[0039] Shaft connection: The guiding device is connected to the main body frame through one or more rotating shafts. The rotating shaft design allows the guiding plate to freely rotate within a certain angle range, and at the same time reduces friction through bearings or similar mechanisms to ensure the smoothness of rotation.

[0040] Locking device integration: In order to lock the guiding plate when direction adjustment is not required and prevent unnecessary swinging, a locking device is usually integrated at the rotating shaft connection. The locking device can be mechanical, such as a locking pin operated by a button or lever, or electromagnetic, using electromagnetic force to achieve locking and release. This design ensures that during walking, the guiding plate can provide direction guidance when needed and remain stable during straight walking.

[0041] Steering mechanism: The connection method should also consider the adjustment function of parameters such as the height and angle of the guiding plate to adapt to the needs of different users and different usage environments.

[0042] Among them, in the above technical solution, the steering mechanism 22 includes a rotating shaft 221, a torsion spring 222, and a locking device. The rotating shaft 221 passes through the center of the guiding plate 21 and is fixedly connected to the main body frame 10. The torsion spring 222 is sleeved on the rotating shaft 221, and the locking device is arranged at one end of the rotating shaft 221 for locking the position of the guiding plate 21.

[0043] The components of the locking device are as follows:

[0044] Locking pin: By inserting into or withdrawing from the locking hole between the guiding plate and the main body frame, the fixation or release of the guiding plate is realized.

[0045] Spring: A spring or a similar elastic element is used to provide the elastic force of the locking pin to ensure that the locking pin can be firmly fixed in the locking hole and can quickly withdraw when release is required.

[0046] Positioning hole and guiding groove: The positioning hole is used to cooperate with the locking pin to ensure the stability of the guiding plate in the locked state; the guiding groove guides the entry and exit path of the locking pin to ensure the smoothness of the locking and release actions.

[0047] Specific models are as follows: Stabilus: The pneumatic locking systems provided by this company, such as the Gas Spring and DAMPER series, can be applied to occasions that require quick locking and release, and its products have good stability and durability.

[0048] Taylor Devices: Focusing on vibration control and power absorption technologies, in its product lines of dampers and shock absorbers, there are also designs suitable for the locking device, which can provide precise force control and stable performance.

[0049] Dampak: Provides a series of industrial-grade dampers and locking devices, suitable for scenarios that require high strength and high-precision control, and its products are outstanding in terms of durability and reliability.

[0050] Furthermore, in the above technical solution, the torsional stiffness range of the torsion spring 222 is from 0.1 N·m / rad to 1 N·m / rad.

[0051] Furthermore, in the above technical solution, the moving device 30 includes at least two wheels, and the wheel diameter is greater than or equal to 10 cm.

[0052] Furthermore, in the above technical solution, the distance range between the guiding plate 21 and the main body frame 10 is from 5 cm to 15 cm.

[0053] Furthermore, in the above technical solution, the end of the guiding plate 21 is provided with an arc-shaped edge.

[0054] Further, in the above technical solution, the included angle range formed by the guiding plate 21 and the ground is from 0° to 15°.

[0055] What is described here is the angle change range of the guiding plate relative to the horizontal ground. Specifically:

[0056] 0°: It means that the guiding plate is completely parallel to the ground. This is the ideal position of the guiding plate in the normal state, aiming to provide slight direction guidance without affecting the natural walking of users.

[0057] 15°: It represents the maximum preset offset angle between the plane of the guiding plate and the plane of the ground. When the guiding plate tilts to one side from the parallel position (0°), the included angle between it and the ground will gradually increase until it reaches the maximum value of 15°. This setting aims to allow the guiding plate to provide sufficient direction correction force when the user's gait deviates slightly, while ensuring that this correction is not too drastic to affect the walking comfort and fluency of the user.

[0058] Further, in the above technical solution, the length range of the guiding plate 21 is from 30 cm to 50 cm, and the width range is from 15 cm to 25 cm.

[0059] Further, in the above technical solution, the steering mechanism 22 further includes a damper, and the damper is installed on one side of the rotating shaft 221.

[0060] During use, connection with the guiding plate: One end of the damper is connected to the rotating shaft of the guiding plate, usually through a bushing or directly fixed on the rotating shaft to ensure that the rotational movement of the guiding plate can be directly transmitted to the damper.

[0061] Connection with the main body frame: The other end of the damper is connected to the main body frame, and the connection method can be directly fixed on the frame or indirectly connected through a bracket to ensure that the damper can provide stable and continuous resistance when the guiding plate rotates.

[0062] Such as Stabilus, Taylor Devices, Dampak, etc., which provide a rich product line covering different torque ranges, sizes, and installation methods. For example, the SDX series rotary dampers of Stabilus company.

[0063] Further, in the above technical solution, at least one of the wheels is a swivel wheel, and the rest are fixed wheels.

[0064] During the use of the walking aid, the user should walk directly behind the walking aid. This is because the guiding plate is mainly designed for ground detection and direction guidance in the front, and the user should stand or walk behind the walking aid to facilitate holding the handle with both hands and obtaining the best support and control.

[0065] Specifically, the principle of the present utility model is as follows:

[0066] Guiding mechanism combining active and passive: When a user's gait deviates during walking (such as sliding outward), the foot will naturally come into contact with the guiding plate. Since the guiding plate has a certain adjustability in direction, it will slightly turn under the action of the torsion spring, generating a slight inward guiding force on the foot to help the user adjust the gait back on track. This guidance is gentle and will not forcefully change the user's walking direction, but rather helps the user maintain straight walking through fine-tuning;

[0067] Ergonomics and safety considerations: The design of the guiding plate fully takes into account the principles of ergonomics to ensure that while providing necessary guidance, it will not cause excessive interference with the user's natural gait. Through fine-tuning angle limits, flexible damping, and adjustable design, it is ensured that the guiding device enhances walking stability without becoming an obstacle to progress.

Claims

1. A fall prevention walker, characterized in that: The invention comprises a main frame (10), wherein a guide device (20) is arranged at the lower front part of the main frame (10), and a moving device (30) is arranged at the bottom of the main frame (10), wherein the moving device (30) has at least two groups, wherein the guide device (20) comprises a guide plate (21) and a steering mechanism (22), wherein the guide plate (21) is located at the lower front part of the main frame (10) and has a plane parallel to the ground, and wherein the steering mechanism (22) connects the guide plate (21) and the main frame (10); and wherein the main frame (10) is provided with a handle (40), and wherein the handle (40) is fixedly arranged at the top of the main frame (10).

2. The anti-fall walker according to claim 1, characterized in that: The steering mechanism (22) comprises a rotating shaft (221), a torsion spring (222) and a locking device. The rotating shaft (221) passes through the center of the guide plate (21) and is fixedly connected to the main frame (10). The torsion spring (222) is sleeved on the rotating shaft (221). The locking device is arranged at one end of the rotating shaft (221) and is used to lock the position of the guide plate (21).

3. The anti-fall walking aid according to claim 2, characterized in that: The torsional stiffness of the torsion spring (222) ranges from 0.1 N·m / rad to 1 N·m / rad.

4. The anti-fall walking aid according to claim 3, characterized in that: The mobile device (30) comprises at least two wheels, and the diameter of the wheels is greater than or equal to 10 cm.

5. The anti-fall walking aid according to claim 4, characterized in that: The distance between the guide plate (21) and the main frame (10) ranges from 5 cm to 15 cm.

6. The anti-fall walking aid according to claim 5, characterized in that: The end of the guide plate (21) is provided with an arc-shaped edge.

7. The anti-fall walking aid according to claim 6, characterized in that: The included angle formed by the guide plate (21) and the ground is in the range of 0° to 15°.

8. The anti-fall walking aid according to claim 7, characterized in that: The guide plate (21) has a length ranging from 30 cm to 50 cm and a width ranging from 15 cm to 25 cm.

9. The anti-fall walking aid according to claim 8, characterized in that: The steering mechanism (22) further comprises a damper, which is mounted on one side of the rotating shaft (221).

10. The anti-fall walking aid according to claim 9, characterized in that: At least one of the wheels is a universal wheel, and the others are fixed wheels.

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