CN221431470U - Auxiliary stretching device for lower limb rehabilitation therapy - Google Patents

Abstract

The utility model discloses an auxiliary stretching device for lower limb rehabilitation treatment, which includes a support plate, a movable groove is opened on the upper surface of the support plate and near the rear side, a motor groove is opened on the upper surface of the support plate and located on the right side of the movable groove, a motor B is fixedly connected to the left surface of the motor groove, the output end of the motor B extends to the inside of the movable groove and is fixedly connected to a lead screw, a small bearing is fixedly connected to the left surface of the movable groove, the side of the lead screw and the connecting end are fixedly connected to the inner side of the small bearing, and a nut is movably connected to the side of the lead screw. Through the above structure, the motor groove is provided to facilitate the fixing of the motor, and the lead screw and nut mechanism is provided to enable the foot pedal to move up and down, so that patients of different groups can adjust the position of the foot pedal to support the foot when using the device, and the force on the sole of the foot provides a better effect for lower limb stretching rehabilitation treatment.

Description

Auxiliary stretching device for lower limb rehabilitation treatment

Technical Field

The utility model relates to the technical field of medical equipment, in particular to an auxiliary stretching device for lower limb rehabilitation treatment.

Background technique

After a patient's limbs undergo surgery, the long-term lack of limb exercise will lead to limb weakness and limb incoordination problems. Therefore, in order to make the patient recover as soon as possible, it is necessary to use a full-length stretching rehabilitation device to train the limbs under the guidance of a rehabilitation doctor. However, the existing rehabilitation training limb stretching device requires the patient to hold the handrail with both hands and step on the footrest of the instrument with both feet to achieve limb stretching and strength training. Since the patient has just finished the operation and is in the recovery period, and the patient's muscles have not been exercised for a long time, if the limb rehabilitation coordination training device is used for rehabilitation training at this time, it will stretch the patient's limb muscles, causing secondary damage to the body, and will not help the patient's recovery.

When applying for the present invention, the applicant found through search that a Chinese patent disclosed an "auxiliary stretching device for lower limb rehabilitation training", and its application number is "202223524450.X". This patent mainly controls the adjustment motor to drive the power gear to rotate, and utilizes the meshing between the power gear and the gear bar and the meshing between the transmission gear and the gear bar to drive the threaded rod to rotate, and then utilizes the threaded connection between the outer surface of the threaded rod and the inner surface of the threaded sleeve to drive the sliding block to move in a directional manner inside the sliding groove, and then utilizes the installation of the push rod to push the placement plate to rotate around the rotation axis, so that the patient's lower limbs can be conveniently driven to perform rehabilitation stretching training when the patient has just completed surgery and is in the recovery period, which can avoid the problem of secondary injury to the patient's body during stretching training, but the position of the foot pedal cannot be adjusted. The soles of the patient's feet are suspended in the air during lower limb stretching training, which is not conducive to rehabilitation treatment.

Utility Model Content

The utility model provides an auxiliary stretching device for lower limb rehabilitation treatment. A motor slot is arranged to facilitate fixing the motor. A screw nut mechanism is arranged to enable a foot pedal to move up and down, so that patients of different groups can adjust the position of the foot pedal to support the foot when using the device. The force on the sole of the foot provides a better effect for lower limb stretching rehabilitation treatment.

To achieve the above-mentioned purpose, a lower limb rehabilitation treatment auxiliary stretching device is provided, including a support plate, a movable groove is opened on the upper surface of the support plate and near the rear side, a motor groove is opened on the upper surface of the support plate and located on the right side of the movable groove, a motor B is fixedly connected to the left surface of the motor groove, the output end of the motor B extends to the inside of the movable groove and is fixedly connected to a lead screw, a small bearing is fixedly connected to the left surface of the movable groove, the side of the lead screw and the connecting end are fixedly connected to the inner side of the small bearing, a nut is movably connected to the side of the lead screw, a connecting block is fixedly connected to the outer surface of the nut, the width of the connecting block is smaller than the width of the movable groove, and a foot pedal is fixedly connected to the upper surface of the connecting block, the movable groove is provided to facilitate the placement of the lead screw and nut mechanism, the motor groove is provided to facilitate the placement of the motor, the motor B is provided to facilitate the provision of power to the lead screw, the lead screw and nut mechanism is provided to facilitate the conversion of rotational motion into linear motion, the small bearing is provided to facilitate the rotation of the lead screw, the connecting block is provided to facilitate the connection of the nut to the foot pedal, and the foot pedal is provided to facilitate the support of the patient's foot.

According to the auxiliary stretching device for lower limb rehabilitation treatment, a circular through hole is opened on the front surface of the support plate near the left side, a rotating shaft is fixedly connected inside the circular through hole, and a main bearing is fixedly connected to the side of the rotating shaft near the rear side. The circular through hole is provided to facilitate the passage of the rotating shaft, and the main bearing is provided to facilitate the rotation of the rotating shaft.

According to the auxiliary stretching device for lower limb rehabilitation treatment, a seat plate is fixedly connected to the outer surface of the main bearing, a square groove is provided on the right surface of the seat plate, and the main bearing is fixedly connected to the rear bottom surface of the square groove. The seat plate is provided to facilitate the patient to sit down, and the square groove is provided to facilitate the rotation of the support plate.

According to the auxiliary stretching device for lower limb rehabilitation treatment, a motor A is fixedly connected to the front surface of the seat plate near the right side, a coupling is fixedly connected to the output end of the motor A, and the rear surface of the coupling is fixedly connected to the rotating shaft. The motor A is provided to facilitate power to the rotating shaft, and the coupling is provided to facilitate the connection between the output shaft of motor A and the rotating shaft.

According to the auxiliary stretching device for lower limb rehabilitation treatment, a support column is fixedly connected to the lower surface of the seat board near the left front side. The number of the support columns is multiple, and the multiple support columns are located on the lower surface of the seat board near the four corners. The multiple support plate columns are provided to ensure the stability of the support.

According to the auxiliary stretching device for lower limb rehabilitation treatment, the lower surfaces of the plurality of support columns are fixedly connected with a base plate, the length of the base plate is greater than the length of the seat plate, and the base plate is provided to increase the contact area with the bottom surface and to lower the center of gravity to ensure the stability of the device.

According to the auxiliary stretching device for lower limb rehabilitation therapy, the number of the lead screw, motor B, and connecting block is two, and the two lead screws, motor B, and connecting blocks are symmetrical about the center plane of the front and rear side surfaces of the support plate. Two sets of lead screws, motor B, and connecting blocks are set to ensure the stability of the foot pedal when it moves.

The beneficial effects of the utility model are as follows: the motor slot is provided to facilitate fixing the motor, and the foot pedal can be moved up and down by providing a lead screw nut mechanism, so that patients of different groups can adjust the position of the foot pedal to support the foot when using the device, and the force on the sole of the foot provides a better effect for lower limb stretching rehabilitation treatment.

Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention.

BRIEF DESCRIPTION OF THE DRAWINGS

The utility model is further described below in conjunction with the accompanying drawings and embodiments;

FIG1 is a perspective view of a lower limb rehabilitation treatment auxiliary stretching device according to the present invention;

FIG2 is a three-dimensional view of the auxiliary stretching device for lower limb rehabilitation treatment according to the present invention from another angle;

FIG3 is a rotation structure diagram of a lower limb rehabilitation treatment auxiliary stretching device of the utility model;

FIG4 is a diagram showing the moving structure of a support plate of a lower limb rehabilitation treatment auxiliary stretching device according to the present invention;

FIG. 5 is a structural diagram of an existing device for solving the technical problem mentioned in the background art.

illustration:

1. Seat; 2. Support column; 3. Bottom plate; 4. Support plate; 5. Foot pedal; 6. Square slot; 7. Motor A; 8. Motor slot; 9. Motor B; 10. Moving slot; 11. Coupling; 12. Rotating shaft; 13. Main bearing; 14. Screw; 15. Nut; 16. Connecting block; 17. Small bearing; 18. Circular through hole.

Detailed ways

This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

Embodiment 1:

1 to 4 , an embodiment of the utility model is an auxiliary stretching device for lower limb rehabilitation treatment, which includes a support plate 4, a movable groove 10 is opened on the upper surface of the support plate 4 and near the rear side, a motor groove 8 is opened on the upper surface of the support plate 4 and located on the right side of the movable groove 10, a motor B9 is fixedly connected to the left side surface of the motor groove 8, the output end of the motor B9 extends to the inside of the movable groove 10 and is fixedly connected to a lead screw 14, a small bearing 17 is fixedly connected to the left side surface of the movable groove 10, the side of the lead screw 14 and the connecting end are fixedly connected to the inner side of the small bearing 17, a nut 15 is movably connected to the side of the lead screw 14, a connecting block 16 is fixedly connected to the outer surface of the nut 15, the width of the connecting block 16 is smaller than the width of the movable groove 10, and a foot pedal 5 is fixedly connected to the upper surface of the connecting block 16.

A circular through hole 18 is provided on the front surface of the support plate 4 near the left side, a rotating shaft 12 is fixedly connected inside the circular through hole 18, and a main bearing 13 is fixedly connected to the side surface of the rotating shaft 12 near the rear side. A seat plate 1 is fixedly connected to the outer surface of the main bearing 13, a square groove 6 is provided on the right surface of the seat plate 1, and the main bearing 13 is fixedly connected to the rear bottom surface of the square groove 6.

A motor A7 is fixedly connected to the front surface of the seat plate 1 near the right side, a coupling 11 is fixedly connected to the output end of the motor A7, and a rear surface of the coupling 11 is fixedly connected to a rotating shaft 12. A support column 2 is fixedly connected to the lower surface of the seat plate 1 near the left front side, and the number of the support columns 2 is multiple, and the multiple support columns 2 are located on the lower surface of the seat plate 1 near the four corners.

The bottom surface of the plurality of support columns 2 is fixedly connected with a bottom plate 3, the length of the bottom plate 3 is greater than the length of the seat plate 1. The number of the lead screw 14, the motor B9, and the connecting block 16 is two, and the two lead screws 14, the motor B9, and the connecting block 16 are symmetrical about the center plane of the front and rear side surfaces of the support plate 4.

Embodiment 2:

Referring to Figure 5, an auxiliary stretching device for lower limb rehabilitation training includes controlling and adjusting the motor 21 to drive the power gear 22 to rotate, utilizing the meshing between the power gear 22 and the gear bar 23 and the meshing between the transmission gear 19 and the gear bar 23 to drive the threaded rod 17 to rotate, and then utilizing the threaded connection between the outer surface of the threaded rod 17 and the inner surface of the threaded sleeve 18 to drive the sliding block 11 to move in a directional manner inside the sliding groove 10, and then utilizing the sliding connection between the inner surface of the fixed sleeve 15 and the outer surface of the connecting shaft 9 and the sliding connection between the inner surface of the fixed sleeve 15 and the outer surface of the driving shaft 13.

Conclusion: In Example 1, a screw-nut mechanism is provided, which can adjust the position of the foot pedal to make the sole of the patient's foot bear force, thereby increasing the effect of lower limb rehabilitation stretching therapy. In Example 2, a gear rack mechanism is provided to avoid the problem of secondary injury to the patient's body during stretching training, thereby facilitating the patient's recovery. However, the position of the foot pedal cannot be adjusted, and the sole of the patient's foot is suspended in the air during lower limb stretching training, which is not conducive to rehabilitation treatment.

Working principle: the patient first sits on the seat board 1 and puts the injured leg on the support board 4, and turns on the motor B9. The output end of the motor B9 rotates with the screw 14, and the connecting end of the screw 14 rotates rapidly inside the small bearing 17. When the screw 14 rotates, the nut 15 on the side moves with the connecting block 16, and the connecting block 16 moves with the foot pedal 5 to the position where the patient's foot can be subjected to force. Turn on the motor A7, and the output end of the motor A7 rotates with the rotating shaft 12 through the coupling 11. The connecting end of the rotating shaft 12 rotates inside the main bearing 13. The support plate 4 rotates up and down continuously under the action of the rotating shaft 12, and the magnitude of the rotation amplitude is adjusted according to the patient's condition.

The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims (7)

1. The utility model provides a lower limb rehabilitation auxiliary stretching device, its characterized in that, including backup pad (4), movable groove (10) have been seted up to the upper surface of backup pad (4) and be close to the rear side, motor groove (8) have been seted up on the upper surface of backup pad (4) and be located the right side of movable groove (10), the left side fixedly connected with motor B (9) of motor groove (8), the output of motor B (9) extends to the inside fixedly connected with lead screw (14) of movable groove (10), the left side fixedly connected with small bearing (17) of movable groove (10), the side of lead screw (14) just is located the inboard of link fixed connection at small bearing (17), the side swing joint of lead screw (14) has nut (15), the outside fixedly connected with connecting block (16) of nut (15), the width of connecting block (16) is less than the width of movable groove (10), the upper surface fixedly connected with running-board (5) of connecting block (16).

2. The auxiliary stretching device for lower limb rehabilitation therapy according to claim 1, wherein a circular through hole (18) is formed in the front side surface of the supporting plate (4) and close to the left side, a rotating shaft (12) is fixedly connected to the inside of the circular through hole (18), and a main bearing (13) is fixedly connected to the side surface of the rotating shaft (12) and close to the rear side.

3. The auxiliary stretching device for lower limb rehabilitation therapy according to claim 2, wherein the outer side surface of the main bearing (13) is fixedly connected with a seat plate (1), a square groove (6) is formed in the right side surface of the seat plate (1), and the main bearing (13) is fixedly connected to the bottom surface of the rear side of the square groove (6).

4. The auxiliary stretching device for lower limb rehabilitation therapy according to claim 3, wherein a motor A (7) is fixedly connected to the front side surface of the seat plate (1) and close to the right side, a coupler (11) is fixedly connected to the output end of the motor A (7), and the rear side surface of the coupler (11) is fixedly connected with a rotating shaft (12).

5. A lower limb rehabilitation therapy auxiliary stretching device according to claim 3, wherein the support columns (2) are fixedly connected to the lower surface of the seat plate (1) and close to the left front side, the number of the support columns (2) is multiple, and the support columns (2) are located on the lower surface of the seat plate (1) and close to four corners.

6. The auxiliary stretching device for lower limb rehabilitation therapy according to claim 5, wherein the bottom surfaces of the support columns (2) are fixedly connected with a bottom plate (3), and the length of the bottom plate (3) is larger than that of the seat plate (1).

7. The auxiliary stretching device for lower limb rehabilitation therapy according to claim 1, wherein the number of the screw rods (14), the motor B (9) and the connecting blocks (16) is two, and the two screw rods (14), the motor B (9) and the connecting blocks (16) are symmetrical with respect to the central plane of the front side surface and the rear side surface of the supporting plate (4).