Ankle fixing and protecting device for wheelchair

Abstract

The utility model relates to the technical field of ankle fixing, in particular to a wheelchair ankle fixing and protecting device. Comprising a mounting plate, a pedal is rotatably connected to the bottom of the mounting plate, the pedal is used for supporting the feet of a patient, a limiting mechanism is arranged on the outer side of the pedal, the limiting mechanism comprises two hinge rods which are rotatably connected to the position, away from the mounting plate, of the outer side surface of the pedal, and an elastic belt is arranged between the two hinge rods; the hinge rod and the elastic belt are used for limiting the ankle position of the patient, and a reset mechanism is arranged in the mounting plate and used for pulling the hinge rod and the pedal. The ankle position of a patient is limited by arranging the limiting mechanism to be matched with the reset mechanism, the stability of the ankle position of the patient is improved, the situation that the foot of the patient slides off from the pedal when the patient takes a wheelchair, and consequently the foot is secondarily injured is avoided, and the ankle position of the patient is comprehensively protected through the cooperation of the hinge rod and the elastic band.

Description

Technical Field

[0001] The utility model relates to the technical field of ankle fixation, and specifically, to a wheelchair ankle fixation and protection device. Background Art

[0002] A wheelchair is a chair equipped with wheels to assist in replacing walking. It is an important mobile tool for the wounded, sick, and disabled for home rehabilitation, transportation, medical treatment, and outdoor activities. The wheelchair not only meets the transportation needs of the physically disabled and those with limited mobility, but more importantly, it facilitates the movement and care of patients by their family members, enabling patients to exercise their bodies and participate in social activities with the help of the wheelchair. Most wheelchair front sides are provided with calf and foot support structures, but most of these support structures do not have a fixation function. If a patient with weak or lost ankle strength slips their ankle easily when sitting in a wheelchair, it may lead to risks such as ankle, foot, and toe injuries or even falls. In view of this, we propose a wheelchair ankle fixation and protection device. Summary of the Invention

[0003] The purpose of the utility model is to provide a wheelchair ankle fixation and protection device to solve the problems raised in the above background art.

[0004] To achieve the above purpose, one of the purposes of the utility model is to provide a wheelchair ankle fixation and protection device, including a mounting plate. A pedal is rotatably connected to the bottom of the mounting plate, and the pedal is used to support the patient's foot. A limiting mechanism is arranged on the outer side of the pedal. The limiting mechanism includes two hinge rods rotatably connected to the outer surface of the pedal away from the mounting plate. An elastic band is arranged between the two hinge rods, and the hinge rods and the elastic band are used to limit the position of the patient's ankle. A reset mechanism is arranged inside the mounting plate, and the reset mechanism is used to pull the hinge rods and the pedal.

[0005] As a further improvement of this technical solution, the reset mechanism includes mounting grooves that penetrate through the positions near the bottom on both sides of the mounting plate. Mounting rods are fixedly arranged inside the mounting grooves. Sliders are slidably connected to the outer surfaces of the mounting rods. The ends of the hinge rods away from the pedal are respectively rotatably connected to the outer surfaces of the sliders. The mounting rods and the sliders are used to drive the top ends of the hinge rods to move upward.

[0006] As a further improvement of this technical solution, a compression spring is coaxially sleeved on the outer side of the mounting rod. The two ends of the compression spring are respectively fixedly arranged on the mounting groove and the surface of the slider. The compression spring is used to drive the slider to move upward.

[0007] As a further improvement of this technical solution, one end of the elastic band is fixed at the middle position of one of the hinge rods. A buckle is rotatably connected to the outer surface of the other hinge rod. A block is fixedly arranged at the end of the elastic band close to the buckle. The buckle is used to fix the block, and the block is snap-fitted inside the buckle.

[0008] As a further improvement of this technical solution, a fixing plate is slidably connected inside the mounting plate. Mounting holes are formed at the top of the fixing plate, and the fixing plate is used to mount the mounting plate on a wheelchair.

[0009] As a further improvement of this technical solution, soft pads are fixedly arranged on the surfaces of the two hinge rods close to each other, and the soft pads are used to protect the patient's ankles.

[0010] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0011] 1. For this wheelchair ankle fixing and protecting device, the position of the patient's ankle is restricted by setting a limiting mechanism in cooperation with a reset mechanism, improving the stability of the patient's ankle, and preventing the patient's feet from slipping off the pedal when sitting in the wheelchair, thus avoiding secondary injuries to the feet. The patient's ankles are comprehensively protected by the hinge rods in cooperation with the elastic bands. When the wheelchair is impacted, the shaking amplitude of the patient's feet is reduced, and the collision between the patient's feet and the wheelchair is avoided. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 is one of the overall structural schematic diagrams of the present utility model;

[0013] Figure 2 is the second overall structural schematic diagram of the present utility model;

[0014] Figure 3 is the sectional three-dimensional structural schematic diagram of the present utility model;

[0015] Figure 4 is the three-dimensional structural schematic diagram of the open state of the latch in the present utility model.

[0016] The meanings of the various reference numerals in the figure are as follows:

[0017] 1. Mounting plate; 11. Pedal; 12. Fixing plate;

[0018] 2. Limiting mechanism; 21. Hinge rod; 211. Soft pad; 22. Buckle; 23. Elastic band; 24. Latch;

[0019] 3. Reset mechanism; 31. Mounting rod; 32. Slide block; 33. Compression spring. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0020] The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model. Embodiment

[0021] Please refer to Figures 1 - 4 As shown, one of the purposes of this embodiment is to provide a wheelchair ankle fixation and protection device, which includes a mounting plate 1. The bottom of the mounting plate 1 is rotatably connected to a pedal 11. The patient's foot is placed on the pedal 11 to support the patient's foot, avoiding friction between the patient's foot and the ground when sitting in a wheelchair. A fixing plate 12 is slidably connected inside the mounting plate 1. An installation hole is opened at the top of the fixing plate 12. The mounting plate 1 is installed on the wheelchair through the fixing plate 12 to improve the stability of the mounting plate 1. Moreover, the mounting plate 1 is installed outside the fixing plate 12 through a moving damper, enabling the mounting plate 1 to slide along the outside of the fixing plate 12, thereby adjusting the height of the pedal 11 according to the position of the foot, making the wheelchair suitable for people of different heights and improving the comfort of the patient when sitting in the wheelchair. A reset mechanism 3 is provided inside the mounting plate 1, and the reset mechanism 3 is used to pull the hinge rod 21 and the pedal 11.

[0022] To improve the stability of the patient's foot when sitting in a wheelchair, a limiting mechanism 2 is provided outside the pedal 11. The limiting mechanism 2 includes two hinge rods 21 rotatably connected to the outer surface of the pedal 11 at a position far from the mounting plate 1. The two hinge rods 21 limit the positions on both sides of the patient's ankle, avoiding the situation where the patient's ankle slips off the pedal 11 and causes secondary injury. At the same time, to avoid the hinge rods 21 causing harm to the patient's ankle, soft pads 211 are fixedly provided on the surfaces of the two hinge rods 21 close to each other, thereby buffering the impact force between the patient's ankle and the hinge rods 21 through the soft pads 211 to further protect the patient's ankle. At the same time, an elastic band 23 is provided between the two hinge rods 21. One end of the elastic band 23 is fixed at the middle position of one of the hinge rods 21. A buckle 22 is rotatably connected to the outer surface of the other hinge rod 21. A block 24 is fixedly provided at one end of the elastic band 23 close to the buckle 22. The buckle 22 is used to fix the block 24, and the block 24 is clamped inside the buckle 22. When the patient's foot is placed on the pedal 11, the block 24 is inserted into the buckle 22 for fixation, making the elastic band 23 located outside the patient's ankle and cooperating with the two hinge rods 21 to fix the position of the patient's ankle, further improving the stability of the patient's ankle and protecting the patient's ankle.

[0023] The reset mechanism 3 includes mounting grooves that penetrate through the positions near the bottom on both sides of the mounting plate 1. Inside the mounting grooves, mounting rods 31 are fixedly arranged. The outer surface of the mounting rod 31 is slidably connected with sliders 32. One end of the hinge rod 21 away from the pedal 11 is respectively rotatably connected with the outer surface of the slider 32. The mounting rod 31 and the slider 32 are used to drive the top of the hinge rod 21 to move upward. A compression spring 33 is coaxially sleeved on the outer side of the mounting rod 31. Both ends of the compression spring 33 are respectively fixedly arranged on the surface of the mounting groove and the slider 32. The compression spring 33 is used to drive the slider 32 to move upward. When a patient is sitting in the wheelchair, to improve the rehabilitation effect of a patient with an ankle injury, the patient steps on the pedal 11, causing the pedal 11 to rotate downward around the position hinged to the mounting plate 1. During the process of the pedal 11 rotating downward, the slider 32 is driven by the hinge rod 21 to descend and compress the compression spring 33. Subsequently, the patient lifts the foot, and the slider 32 is driven by the elastic force of the compression spring 33 to reset, thereby driving the pedal 11 to rotate and reset through the hinge rod 21, enabling the patient to step on the pedal 11 reciprocally for exercise, which helps the rehabilitation of the patient's ankle.

[0024] In summary, the working principle of this solution is as follows: First, the mounting plate 1 is installed on the wheelchair through the fixing plate 12, enabling the mounting plate 1 to slide along the fixing plate 12 to adjust the height of the pedal 11, making the wheelchair suitable for people of different heights and improving the comfort of the patient when sitting in the wheelchair. The patient sits in the wheelchair and places their feet on the pedal 11, with the patient's feet located between the two hinge rods 21. At the same time, hold the clamping block 24 and insert the clamping block 24 into the buckle 22 for fixation, making the elastic band 23 located outside the patient's ankle. The positions of the patient's ankle are restricted by the two hinge rods 21 and the elastic band 23 to increase stability, thereby preventing the patient's feet from slipping off the pedal 11 and causing secondary injuries. Moreover, a soft pad 211 is provided on the outer surface of the hinge rod 21 to buffer the impact when the patient's ankle is between the hinge rods 21, further improving the protection of the patient's ankle.

[0025] At the same time, for the convenience of the rehabilitation of patients with ankle injuries, step on the pedal 11 to make the pedal 11 rotate downward. During the process of the pedal 11 rotating downward, the slider 32 is driven by the hinge rod 21 to descend and compress the compression spring 33. When the pedal 11 rotates downward to the bottom, the patient lifts the foot, and the slider 32 is driven by the elastic force of the compression spring 33 to rise and reset, driving the pedal 11 to rotate and rise along with the patient's foot through the hinge rod 21, thereby enabling the patient to reciprocally move the ankle for the patient's rehabilitation.

[0026] The above has shown and described the basic principles, main features and advantages of the present utility model. Those skilled in the art should understand that the present utility model is not limited by the above embodiments. The above embodiments and the descriptions in the specification are only preferred examples of the present utility model and are not used to limit the present utility model. Without departing from the spirit and scope of the present utility model, the present utility model will have various changes and improvements, and these changes and improvements all fall within the scope of the present utility model claimed. The scope of protection claimed by the present utility model is defined by the appended claims and their equivalents.

Claims

1. A wheelchair ankle fixation and protection device, comprising a mounting plate (1), wherein a pedal (11) is rotatably connected to the bottom of the mounting plate (1), and the pedal (11) is used for supporting a patient's foot, and is characterized in that: A limiting mechanism (2) is provided on the outer side of the pedal (11). The limiting mechanism (2) includes two hinge rods (21) rotatably connected to a position on the outer surface of the pedal (11) far from the mounting plate (1). An elastic band (23) is arranged between the two hinge rods (21). The hinge rods (21) and the elastic band (23) are used to limit the position of the patient's ankle. A reset mechanism (3) is arranged inside the mounting plate (1), and the reset mechanism (3) is used to pull the hinge rods (21) and the pedal (11).

2. The ankle fixation and protection device for wheelchair according to claim 1, characterized in that: The reset mechanism (3) includes mounting grooves that penetrate through the two sides of the mounting plate (1) near the bottom. Mounting rods (31) are fixedly arranged inside the mounting grooves. A slider (32) is slidably connected to the outer surface of the mounting rod (31). The ends of the hinge rods (21) far from the pedal (11) are respectively rotatably connected to the outer surface of the slider (32). The mounting rod (31) and the slider (32) are used to drive the top of the hinge rod (21) to move upward.

3. The ankle fixation and protection device for wheelchair according to claim 2, characterized in that: A compression spring (33) is coaxially sleeved on the outer side of the mounting rod (31). The two ends of the compression spring (33) are respectively fixedly arranged on the mounting groove and the surface of the slider (32). The compression spring (33) is used to drive the slider (32) to move upward.

4. The wheelchair ankle fixation and protection device according to claim 1, characterized in that: One end of the elastic band (23) is fixed at the middle position of one of the hinge rods (21). A buckle (22) is rotatably connected to the outer surface of the other hinge rod (21). A clamping block (24) is fixedly arranged at one end of the elastic band (23) close to the buckle (22). The buckle (22) is used to fix the clamping block (24), and the clamping block (24) is clamped inside the buckle (22).

5. The wheelchair ankle fixation and protection device according to claim 1, characterized in that: A fixing plate (12) is slidably connected inside the mounting plate (1). A mounting hole is formed at the top of the fixing plate (12). The fixing plate (12) is used to mount the mounting plate (1) on a wheelchair.

6. The wheelchair ankle fixation and protection device according to claim 1, characterized in that: Soft pads (211) are fixedly arranged on the surfaces of the two hinge rods (21) close to each other. The soft pads (211) are used to protect the patient's ankle.

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