CN209884684U - Lower limb joint rehabilitation training device - Google Patents
Lower limb joint rehabilitation training device Download PDFInfo
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- CN209884684U CN209884684U CN201920228690.4U CN201920228690U CN209884684U CN 209884684 U CN209884684 U CN 209884684U CN 201920228690 U CN201920228690 U CN 201920228690U CN 209884684 U CN209884684 U CN 209884684U
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Abstract
The lower limb joint rehabilitation trainer comprises a front shell and a rear shell which are positioned at the bottom, a driving motor is installed in the rear shell, a ball screw is connected to the output of the driving motor, a U-shaped piece is rotatably connected to a nut of the ball screw, two shank supporting rods are hinged to the U-shaped piece, two groove edges of a groove-shaped foot support fixed connection frame are respectively connected to the rear parts of the two shank supporting rods, a foot support is connected to the foot support fixed connection frame, the front ends of the two shank supporting rods are respectively hinged to an upper thigh connecting rod, the lower ends of the two lower thigh connecting rods are respectively hinged to the front shell, the upper ends of the two lower thigh connecting rods are respectively hinged to the two shank supporting rods, a lower supporting connecting rod is hinged between the upper thigh connecting rod and the lower thigh connecting rod of the corresponding side, rollers are installed on the lower. The training device has simple structure.
Description
Technical Field
The utility model relates to a rehabilitation training device, in particular to lower limb joint rehabilitation training device belongs to medical instrument technical field.
Background
One of the common diseases of injured orthopedics of hip joint, knee joint, ankle joint in the lower limbs, except carrying out healing treatment to the injured position in the treatment, still need carry out corresponding functional training to hip joint, knee joint, ankle joint, chinese patent 2017103530376 has disclosed a lower limbs joint trainer, can realize the training to lower limbs joint, but this trainer linear drive structure is comparatively complicated, and it is inconvenient to remove, can not effective monitoring to the training angle of knee joint, still there is this kind of lower limbs joint trainer driving motor at present often to install in the front portion that is close to the thigh, probably arouse whole device's unstability in this kind of training.
Disclosure of Invention
An object of the utility model is to overcome the above-mentioned problem that exists among the present low limbs joint rehabilitation training device, provide a low limbs joint rehabilitation training ware.
In order to realize the purpose of the utility model, the following technical proposal is adopted: the lower limb joint rehabilitation training device comprises a front shell and a rear shell which are positioned at the bottom, a driving motor is arranged in the rear shell, a ball screw is connected to the output of the driving motor, a U-shaped part is rotatably connected to a nut of the ball screw, two parallel shank support rods are respectively hinged to two edges of the U-shaped part, a shank support is connected between the two shank support rods, two groove edges of a groove-shaped foot support fixed connecting frame are respectively connected to the rear parts of the two shank support rods, the foot support is connected to a foot support fixed connecting frame, the front ends of the two shank support rods are respectively hinged to an upper thigh connecting rod, a thigh support is connected between the two upper thigh connecting rods, the lower ends of the two lower thigh connecting rods are respectively hinged to the front shell, the upper ends of the two lower thigh connecting rods are respectively hinged to the two shank support rods, and a lower support connecting rod is hinged, the shank support rod, the lower support connecting rod, the thigh upper connecting rod and the thigh lower connecting rod form a parallel four-bar structure, the lower part of the rear casing is provided with a roller, and the front part can be provided with a handle hole; further, the method comprises the following steps of; the left side and the right side of the nut block are provided with U-shaped guide grooves in the horizontal direction, and linear guide rails are arranged on the two sides of the ball screw in a matching way with the U-shaped guide grooves; further, the method comprises the following steps of; the shank support rod and the thigh lower connecting rod are both of telescopic sleeve structures, and the telescopic sleeves are locked by a length adjusting locking bolt after the length is adjusted; further, the method comprises the following steps of; two groove edges of the foot support fixed connecting frame are respectively and rotatably connected to the rear parts of the two shank supporting rods through a shaft in the horizontal direction, arc-shaped holes with the shaft in the horizontal direction as the circle center are respectively formed in the two groove edges, and angle locking bolts penetrate through the arc-shaped holes and holes corresponding to the rear parts of the two shank supporting rods; further, the method comprises the following steps of; two concentric arc-shaped seams are arranged on the bottom of the foot support fixed connecting frame, 18 is an arc-shaped seam, an adjusting locking bolt penetrates through the arc-shaped seams, and the foot support is fixedly connected to the foot support fixed connecting frame through the adjusting locking bolt; further, the method comprises the following steps of; an angle sensor is arranged at the hinged part of the front ends of the two shank supporting rods and the upper thigh connecting rod.
The utility model discloses an actively beneficial technological effect lies in: this trainer simple structure, it is with low costs, and training range, angularly adjustable, the range of motion of survey knee joint that angle sensor can be accurate, and driving motor postposition, whole steady when the training, because the patient that needs the low limbs training often moves about inconveniently, the removal that can be convenient after setting up gyro wheel and handle, the convenience shifts between different patients, can satisfy more patients' needs that have low limbs joint training demand.
Drawings
Fig. 1 is an overall schematic view of the present invention.
Fig. 2 is a schematic top view of the present invention.
Fig. 3 is a schematic view of the cross section a-a of the present invention.
Fig. 4 is a schematic view, partly in section.
Fig. 5 is a schematic view of the connection of the foot rest fixing connecting frame and two shank supporting rods.
Fig. 6 is a rear view of the connection between the foot rest and the foot rest fixing and connecting frame.
Detailed Description
In order to explain the utility model more fully, the utility model provides an implementation example. These examples are merely illustrative of the present invention and do not limit the scope of the present invention.
The invention is explained in further detail with reference to the drawings, in which the reference symbols are: 1: a rear housing; 2: a front housing; 3: a U-shaped piece; 4: a shank support bar; 5: a thigh upper link; 6: a lower support link; 7: a thigh lower link; 8: a shank support; 9: a thigh support; 10: the foot support is fixedly connected with the connecting frame; 11: a foot support; 12: a horizontally oriented axis; 13: an angle locking bolt; 14: a nut block; 15: a U-shaped guide slot; 16: a linear guide rail; 17: an arc-shaped hole; 18: an arc-shaped seam; 19: adjusting the locking bolt; 20: a length adjustment locking bolt; 21: a handle hole.
As shown in the attached drawings, the lower limb joint rehabilitation training device comprises a front shell 2 and a rear shell 1 which are positioned at the bottom, a driving motor is arranged in the rear shell, the output of the driving motor is connected with a ball screw which is positioned between the front shell and the rear shell, a nut of the ball screw is rotationally connected with a U-shaped piece 3, the left side and the right side of the nut block are provided with U-shaped guide grooves 15 in the horizontal direction, two sides of the ball screw are provided with linear guide rails 16 matched with the U-shaped guide grooves, the linear motion mechanism is stable, simple and low in cost, two parallel shank support rods are respectively hinged on two edges of the U-shaped piece, 4 is a shank support rod, a shank support 8 is connected between the two shank support rods, two groove edges of a groove-shaped foot support fixed connecting frame 10 are respectively connected at the rear parts of the two shank support rods, a foot support 11 is, two groove edges of the foot support fixed connecting frame are respectively rotatably connected to the rear parts of the two shank supporting rods through a shaft in the horizontal direction, 12 is a shaft in the horizontal direction, arc-shaped holes with the shaft in the horizontal direction as the center of a circle are respectively formed in the two groove edges, 17 is an arc-shaped hole, and an angle locking bolt penetrates through the arc-shaped holes and the holes corresponding to the rear parts of the two shank supporting rods; an angle locking bolt is shown in fig. 13, the angle of the foot support fixed connecting frame can be adjusted by loosening the angle locking bolt, two concentric arc-shaped seams are arranged on the bottom of the foot support fixed connecting frame, an adjusting locking bolt 19 penetrates through the arc-shaped seams, and the foot support is fixedly connected to the foot support fixed connecting frame through the adjusting locking bolt; the foot supports can move along the arc-shaped seams by loosening the adjusting and locking bolts 19, the front ends of the two shank supporting rods are respectively hinged with an upper thigh connecting rod, 5 is an upper thigh connecting rod, 9 is connected between the two upper thigh connecting rods, the lower ends of the two lower thigh connecting rods are respectively hinged on the front shell, 7 is a lower thigh connecting rod, the upper ends of the two lower thigh connecting rods are respectively hinged with the two shank supporting rods, a lower supporting connecting rod is hinged between the upper thigh connecting rod and the lower thigh connecting rod on the corresponding side, the lower supporting connecting rod is shown as 6, the shank supporting rods and the lower thigh connecting rods are both of telescopic sleeve structures, and the telescopic sleeves are locked by length adjusting and locking bolts after adjusting the length; the length adjusting locking bolt is shown as 20, a shank supporting rod, a lower supporting connecting rod, an upper thigh connecting rod and a lower thigh connecting rod form a parallel four-bar structure, an angle sensor is installed at the hinged position of the front ends of the two shank supporting rods and the upper thigh connecting rod, when a nut block makes reciprocating linear motion along a ball screw, the virtual intersection point of the downward extension line of the upper thigh connecting rod and the ground coincides with the rotating point of the hip joint of the lower limbs of a human body, the hinged point of the front ends of the shank supporting rods and the upper thigh connecting rod coincides with the rotating point of the knee joint of the lower limbs of the human body, the angle sensor is arranged in the angle sensor, the angle sensor is not shown in the figure, a roller is installed at the lower part of a rear casing, the roller is not shown in the figure, and a handle hole 21 can.
After the embodiments of the present invention have been described in detail, those skilled in the art can clearly understand that various changes and modifications can be made without departing from the scope and spirit of the above claims, and any simple modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention all fall within the scope of the technical solution of the present invention, and the present invention is not limited to the embodiments of the examples given in the specification.
Claims (6)
1. Lower limbs joint rehabilitation training device, including anterior casing and the rear portion casing that is located the bottom, its characterized in that: a driving motor is arranged in a rear shell, a ball screw is connected to the output of the driving motor, a U-shaped part is rotatably connected to a nut of the ball screw, two mutually parallel shank support rods are respectively hinged to two edges of the U-shaped part, a shank support is connected between the two shank support rods, two groove edges of a groove-shaped foot support fixed connection frame are respectively connected to the rear parts of the two shank support rods, the foot support is connected to a foot support fixed connection frame, the front ends of the two shank support rods are respectively hinged to an upper thigh connecting rod, a thigh support is connected between the two upper thigh connecting rods, the lower ends of the two lower thigh connecting rods are respectively hinged to a front shell, the upper ends of the two lower thigh connecting rods are respectively hinged to the two shank support rods, a lower supporting connecting rod is hinged between the upper thigh connecting rod and the lower thigh connecting rod, The upper thigh connecting rod and the lower thigh connecting rod form a parallel four-bar structure, rollers are installed on the lower portion of the rear casing, and a handle hole can be formed in the front portion.
2. The lower limb joint rehabilitation training device of claim 1, wherein: u-shaped guide grooves in the horizontal direction are formed in the left side and the right side of the nut block, and linear guide rails are arranged on the two sides of the ball screw in a matched mode with the U-shaped guide grooves.
3. The lower limb joint rehabilitation training device of claim 1, wherein: the shank support rod and the thigh lower connecting rod are both of telescopic sleeve structures, and the telescopic sleeves are locked through length adjusting locking bolts after the length is adjusted.
4. The lower limb joint rehabilitation training device of claim 1, wherein: two groove edges of the foot support fixed connecting frame are respectively connected to the rear parts of the two shank supporting rods in a rotating mode through a shaft in the horizontal direction, arc-shaped holes with the shaft in the horizontal direction as the circle center are respectively formed in the two groove edges, and angle locking bolts penetrate through the arc-shaped holes and holes corresponding to the rear parts of the two shank supporting rods.
5. The lower limb joint rehabilitation training device of claim 1, wherein: two concentric arc-shaped seams are arranged on the bottom of the foot support fixed connecting frame, adjusting locking bolts penetrate through the arc-shaped seams, and the foot supports are fixedly connected to the foot support fixed connecting frame through the adjusting locking bolts.
6. The lower limb joint rehabilitation training device of claim 1, wherein: an angle sensor is arranged at the hinged part of the front ends of the two shank supporting rods and the upper thigh connecting rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920228690.4U CN209884684U (en) | 2019-02-25 | 2019-02-25 | Lower limb joint rehabilitation training device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920228690.4U CN209884684U (en) | 2019-02-25 | 2019-02-25 | Lower limb joint rehabilitation training device |
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| Publication Number | Publication Date |
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| CN209884684U true CN209884684U (en) | 2020-01-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920228690.4U Active CN209884684U (en) | 2019-02-25 | 2019-02-25 | Lower limb joint rehabilitation training device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114129395A (en) * | 2021-12-15 | 2022-03-04 | 上海念通智能科技有限公司 | Lower limb joint rehabilitation training device |
| CN115569036A (en) * | 2022-10-24 | 2023-01-06 | 燕山大学 | Automatic-adjusting human lower limb rehabilitation device |
-
2019
- 2019-02-25 CN CN201920228690.4U patent/CN209884684U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114129395A (en) * | 2021-12-15 | 2022-03-04 | 上海念通智能科技有限公司 | Lower limb joint rehabilitation training device |
| CN114129395B (en) * | 2021-12-15 | 2024-03-12 | 上海念通智能科技有限公司 | Lower limb joint rehabilitation training device |
| CN115569036A (en) * | 2022-10-24 | 2023-01-06 | 燕山大学 | Automatic-adjusting human lower limb rehabilitation device |
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