CN211301002U - Shank muscle rehabilitation and nursing device - Google Patents

Abstract

The utility model discloses a shank muscle rehabilitation and nursing device, including lead screw base, slider, pedal cushion, foot bottom massage footboard, pedal support, transmission connecting rod, scalable loop bar, massage dish. The provided device for rehabilitation and nursing of calf muscles is characterized in that the calf muscles are pressed by the massage disc and move up and down along the calves; the leg length and the leg thickness of different people are adapted, and the pressing strength of the massage disc is adjusted according to specific requirements; the foot sole acupoint massage function is realized, and the effect of relaxing the whole body and mind can be achieved while the rehabilitation of the calf muscles is assisted; the foot bottom massage pedal can automatically adjust the pitching angle so as to provide comfortable placing angle for the feet of people. The only driving force of the whole device comes from the slide block driven by the lead screw base.

Description

A kind of calf muscle rehabilitation and nursing device

technical field

The utility model relates to the technical field of medical machinery, in particular to a calf muscle rehabilitation and nursing device.

Background technique

Rehabilitation nursing is an inseparable and important part of rehabilitation medicine. It develops with the development of rehabilitation medicine. Rehabilitation refers to the comprehensive and coordinated application of medical, social, educational and vocational measures to train and retrain the disabled. Alleviate the trauma caused by the injury, so as to improve their mobility as much as possible, so as to achieve the effect of being able to take care of themselves in basic life and re-engage in social activities. The human body's calf muscles, in people's daily work, sports or training, will bear a lot of load, especially athletes, their calf muscles need to provide enough explosive force for the whole body, so the calf muscles are vulnerable to trauma and normal to people after injury The calf muscles need daily care to improve their function for people who exercise a lot, such as athletes, which have a great impact on their study and life.

At present, the rehabilitation nursing device for calf muscles has poor rehabilitation effect during use. The traditional leg nursing device is only simple pressing, the massage effect is poor and its limitations are large, and it cannot be applied to different people or places. use. And after the calf muscle is injured, it is not possible to exercise vigorously, and rehabilitation requires the patient's calf muscle to be massaged and slightly exercised for slow recovery. The existing calf muscle rehabilitation device has poor rehabilitation effect, resulting in a long recovery period. This will put a great psychological burden on the patient and is not conducive to the recovery of the patient. Based on this, we propose a calf muscle rehabilitation nursing device to solve the above problems.

Utility model content

The main problem solved by the utility model is to provide an efficient, safe and practical calf muscle rehabilitation and nursing device for people who need calf muscle rehabilitation and nursing in view of the deficiencies of the existing related medical equipment. The calf muscles are pressed by the massage disc, and the space link structure drives the massage disc to reciprocate up and down along the calf; add foot acupoint massage to relax the muscles of the whole body and promote the blood circulation of the calf muscles, thereby assisting the rehabilitation of the calf muscles Nursing, to achieve the purpose of efficient and safe rehabilitation and nursing of the calf muscles; the automatic adjustment of the foot massage pedal is realized through the space linkage mechanism to ensure the uniform force on the foot and improve the user's comfort.

In order to achieve the above purpose, the difficulty of the problem to be solved by this utility model lies in what form of space link structure is used to ensure that the massage disc can reciprocate up and down along the calf safely and stably; The automatic adjustment of the massage pedal; how to effectively massage the sole of the foot; how to optimize the space link structure of the two parts to form a whole; how to provide enough driving force.

For this reason, the specific technical scheme adopted by the present invention is as follows: the slider is connected with the lead screw, the lead screw is connected with the stepping motor, and the lead screw converts the rotation of the stepping motor into the linear motion of the slider, thereby providing the entire device with Stable and strong driving force, and the displacement, speed and acceleration of the linear motion of the slider are different, which can indirectly affect the massage of the calf muscles by the massage plate, so as to obtain a variety of rehabilitation nursing modes. The sliding block is fixedly connected with the foot pedal pad, and the telescopic sleeve rod is driven by the transmission link to make a circular motion around the fixed point. Because the sleeve rod is retractable, the combined movement of the massage disc is a reciprocating motion along the lower leg. One end of the foot massage pedal is hinged on a certain position of the transmission link, the other end is hinged on the pedal bracket, and the other end of the pedal bracket is hinged on the base, forming a certain angle with the base to realize the automatic adjustment function. There are massage balls on the footboard, which can give a massage effect to the sole of the foot when the foot is stepped on it, and the massage force of the sole of the foot is provided by the change of the angle of the calf during the operation of the mechanism.

A calf muscle rehabilitation and nursing device, comprising a massage plate 1, a telescopic rod 2, a telescopic rod cover 3, a transmission link 4, a foot massage pedal 5, a pedal bracket 6, a foot pedal pad 7, a slider 8 and a wire The screw base 9; the screw base 9 is placed on the ground, a screw is installed on the screw base 9, the screw is placed horizontally, and the screw is driven by a stepping motor; The block 8 can slide back and forth along the lead screw. The footrest block 7 is mounted on the slider 8 . One end of the transmission link 4 is installed on the footrest block 7 , and the other end is installed on the telescopic rod 2 . One end of the telescopic rod 2 is the massage disc 1 , and the other end is installed in the telescopic rod cover 3 . The telescopic rod cover 3 is installed on one side of the screw base 9 .

One end of the foot massage pedal 5 is installed on the transmission link 4 , and the other end is connected and fixed with the other side of the screw base 9 through the pedal bracket 6 .

The rotation of the stepping motor drives the lead screw to rotate, and the lead screw and the slider 8 cooperate with each other to convert the rotation of the lead screw into the translational movement of the slider 8. The lead screw base 9 is provided with a slide rail, and the slider 8 can move along the slide rail. The translational reciprocating motion provides the driving force for the entire device. During the process of translational reciprocating motion, the sliding block 8 drives the transmission link 4 to push the telescopic sleeve rod to make a fixed-point circular motion through the foot pedal block 7. At this time, the position that the massage disc 1 can reach in space is as follows: As shown in Figure 3, because the position of massage disc 1 only changes in two directions in space, the motion equation is:

x ² +y ² =a ² (x>0, y>0, 17.3mm≤a≤25.50mm)

Among them, x is the longitudinal motion coordinate, y is the lateral motion coordinate, and a is the radius of the circular motion of the massage disc 1 .

Compared with the prior art, the calf muscle rehabilitation and nursing device provided by the utility model has the following beneficial effects:

The calf muscle rehabilitation and nursing device provided by the utility model can directly change the displacement, speed and acceleration of the horizontal linear movement of the slider by changing the rotation of the lead screw, so as to change the movement form of the massage disc, and thus obtain many This kind of rehabilitation nursing mode can meet the various needs of users. It can be used for auxiliary rehabilitation of calf muscles, and can also be used for daily calf muscle health care.

The calf muscle rehabilitation and nursing device provided by the present utility model is based on the shortcomings of the existing products of single function (one product can only realize one function, such as only massage), and proposes the idea of comprehensive rehabilitation of the present utility model, and While massaging the calf muscles, the space link structure of the present utility model takes into account the pressing of the acupoints on the soles of the feet, so as to play an auxiliary rehabilitation effect. On the whole, the rehabilitation effect of the utility model is better than the existing single-function calf muscles. Rehabilitation products.

Description of drawings

Fig. 1 is the component labeling drawing of the present utility model;

Figure 2 is a side view of the device of the present invention;

Fig. 3 is the space movement area of the massage disc of the present invention;

Figure 4 is a schematic diagram of the movement of the mechanism of the present invention.

Detailed ways

Below in conjunction with accompanying drawing, the utility model is further described:

As shown in FIG. 1 , a calf muscle rehabilitation and nursing device includes a massage plate 1, a telescopic rod 2, a telescopic rod cover 3, a transmission link 4, a foot massage pedal 5, a pedal bracket 6, and a foot pedal pad 7 , the slider 8 and the screw base 9; the screw base 9 is placed on the ground, the screw base 9 is installed with a screw, the screw is placed horizontally, and the screw is driven by a stepping motor; the slider 8 and the screw are threaded Fitted together, the sliding block 8 can slide back and forth along the lead screw. The footrest block 7 is mounted on the slider 8 . One end of the transmission link 4 is installed on the footrest block 7 , and the other end is installed on the telescopic rod 2 . One end of the telescopic rod 2 is the massage disc 1 , and the other end is installed in the telescopic rod cover 3 . The telescopic rod cover 3 is installed on one side of the screw base 9 .

One end of the foot massage pedal 5 is installed on the transmission link 4 , and the other end is connected and fixed with the other side of the screw base 9 through the pedal bracket 6 .

The rotation of the stepping motor drives the lead screw to rotate, and the lead screw and the slider 8 cooperate with each other to convert the rotation of the lead screw into the translational movement of the slider 8. The lead screw base 9 is provided with a slide rail, and the slider 8 can move along the slide rail. The translational reciprocating motion provides the driving force for the entire device. During the process of translational reciprocating motion, the sliding block 8 drives the transmission link 4 to push the telescopic sleeve rod to make a fixed-point circular motion through the foot pedal block 7. At this time, the position that the massage disc 1 can reach in space is as follows: As shown in Figure 3, because the position of massage disc 1 only changes in two directions in space, the motion equation is:

x ² +y ² =a ² (x>0, y>0, 17.3mm≤a≤25.50mm)

Among them, x is the longitudinal motion coordinate, y is the lateral motion coordinate, and a is the radius of the circular motion of the massage disc 1 .

Wherein a can be changed at any time during the operation of the device, so in this space area, the massage disc 1 can reciprocate up and down along the calf, so as to massage and rehabilitate the calf muscles. In Figure 3, the slashed area is the reachable position of the massage disc space, R2 is the shortest length of the telescopic sleeve rod 300mm, R1 is the maximum length of the telescopic sleeve rod 650mm, γ is the minimum angle between the telescopic sleeve rod and the base 20°, α is the telescopic sleeve The maximum angle between the rod and the base is 80°.

As shown in Figure 1, when the massage plate moves up along the calf, that is, when the foot pedal block 7 moves to the left, the angle β between the foot massage pedal 5 and the screw base 9 gradually decreases, providing a comfortable posture for the feet. At the same time, a sufficient and even foot massage force is provided by the calf.

As shown in Figure 2, a person sits on the left side of the device, that is, on the side of the massage plate (1), clamps the massage plate (1) on the calf muscle, turns on the device, and the massage plate (1) reciprocates up and down along the calf muscle, stepping on the On the foot massage pedal (5), the foot performs a reciprocating linear motion with the foot massage pedal (5).

As shown in Figure 3, _l1 is the vector expression of the rotation pair from the origin to the retractable sleeve rods (2, 3), _l2 is the vector expression of the transmission link (4), and s is the horizontal displacement vector expression of the slider (8). , e is the vector expression of the vertical distance from the slider (8) to the origin coordinates, so the mechanism vector equation is:

s+e+l ₂ =l ₁ (1)

Taking the first-order derivative of formula (1), the displacement equation of the mechanism is obtained:

Wherein θ ₁ is the included angle between the telescopic sleeve rods (2, 3) and Y (horizontal coordinate axis), and θ ₂ is the included angle between the transmission link (4) and Y (horizontal coordinate axis).

Continue to take the derivation of Equation 2 to get the velocity equation of the mechanism:

Wherein ω ₁ is the angular velocity of the telescopic sleeve rods (2, 3), ω ₂ is the angular velocity of the transmission link (4), and v is the horizontal movement speed of the slider (8).

Continue to take the derivation of Equation 3 to get the acceleration equation of the mechanism:

Wherein α ₁ is the angular acceleration of the telescopic sleeve rods (2, 3), α ₂ is the angular acceleration of the transmission link (4), and a is the horizontal movement acceleration of the slider (8).

Where e=70mm, v is adjustable speed, a=0, l ₁ =400mm, l ₂ =384mm.

It can be clearly seen from formulas (2)-(4) that various motion forms of the telescopic sleeve rods (2, 3) can be obtained by adjusting different speeds v, and the telescopic sleeve rods (2, 3) are connected to Under the action of combined motion, the massage disc (1) can obtain different types of rehabilitation modes of the mechanism to meet the different needs of users.

Claims (2)

1. The utility model provides a shank muscle is recovered and nursing device which characterized in that: comprises a massage disc (1), a telescopic rod (2), a telescopic rod sleeve (3), a transmission connecting rod (4), a foot massage pedal (5), a pedal bracket (6), a pedal pad block (7), a slide block (8) and a screw rod base (9); the lead screw base (9) is placed on the ground, a lead screw is installed on the lead screw base (9), the lead screw is horizontally placed, and the lead screw is driven by a stepping motor; the sliding block (8) and the lead screw are installed together in a threaded fit mode, and the sliding block (8) can slide in a reciprocating mode along the lead screw; the pedal cushion block (7) is arranged on the sliding block (8); one end of the transmission connecting rod (4) is arranged on the pedal cushion block (7), and the other end is arranged on the telescopic rod (2); one end of the telescopic rod (2) is a massage disc (1), and the other end is arranged in the telescopic rod sleeve (3); the telescopic rod sleeve (3) is arranged on one side of the screw rod base (9);

one end of the foot massage pedal (5) is arranged on the transmission connecting rod (4), and the other end is connected and fixed with the other side of the screw rod base (9) through the pedal bracket (6).

2. The calf muscle rehabilitation and care device according to claim 1, characterized in that: the position of the massage disc (1) changes in only two directions, so the equation of motion is:

x²+y²＝a²

wherein x is longitudinal movement, y is transverse movement, and a is the radius of the circular movement of the massage disk (1).

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