Elbow bending assisting device for arm rehabilitation
By designing an auxiliary elbow flexion device with a driving and adjusting mechanism, efficient arm rehabilitation training is achieved, which solves the problem of low efficiency of traditional methods and improves the patient's rehabilitation effect.
Patent Information
- Application Number
- CN202422490696.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-15
- Publication Date
- 2025-10-24
- Estimated Expiration
- 2034-10-15
AI Technical Summary
Traditional arm rehabilitation methods are inefficient, making it difficult for patients to continue training and unable to effectively restore arm muscle strength and coordination.
An auxiliary elbow flexion device consisting of a driving mechanism and an adjustment mechanism was designed. The arm elbow flexion movement was achieved by a motor-driven rack and pinion transmission, and the spacing between the support rods could be adjusted to meet the needs of different patients.
The efficiency and effectiveness of arm rehabilitation training are improved, and patients can continue to perform elbow flexion exercises to restore arm muscle strength and coordination.
Smart Images

Figure CN223464237U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to medical exercise apparatus technical field, concretely is a kind of auxiliary elbow flexion device for arm rehabilitation. BACKGROUND
[0002] The patient of elbow joint injury is prone to joint stiffness after treatment, and once the activity of elbow joint is limited, the recovery of function is particularly difficult, and even it will affect normal life, these patients usually need to recover the muscle strength, flexibility and coordination of arm through repetitive elbow flexion.
[0003] Traditional arm rehabilitation method mainly relies on the manual operation of therapist and the autonomous practice of patient, however, this method is not only inefficient, and it is inconvenient for patient to continuously train, cannot effectively help patient to recover the strength and coordination of arm muscle;Therefore, we provide a kind of auxiliary elbow flexion device for arm rehabilitation to solve the above problems. UTILITY MODEL CONTENT
[0004] The utility model aims at making up for the deficiency of prior art, provide auxiliary elbow flexion device for arm rehabilitation.
[0005] To realize the above-mentioned purpose, the utility model provides the following technical scheme: an auxiliary elbow flexion device for arm rehabilitation, including base and backboard, the backboard is fixedly connected on the upper surface of base, the inside of backboard is equipped with installation slot, the inside of installation slot is installed with adjusting mechanism, the front of adjusting mechanism is equipped with two T-shaped support rods, the bottom surface of two T-shaped support rods is installed with driving mechanism, the driving mechanism includes mounting frame, the mounting frame is fixedly connected on the bottom surface of T-shaped support rod, the back of mounting frame is fixedly connected with motor shell, the inside of motor shell is fixedly connected with motor, the output end of motor is fixedly connected with rotating shaft, the one end of rotating shaft away from motor is arranged in the back of mounting frame and extends to the inside of mounting frame, the one end of rotating shaft away from motor is fixedly connected with gear one, the inside wall of mounting frame is rotatably connected with two gear twos, two gear twos are respectively distributed on the left and right sides of gear one, two gear twos are rotatably connected with gear one, the front side of two gear twos is fixedly connected with rack, the inside bottom wall of mounting frame is rotatably connected with rotating rod, the rotating rod is arranged on the front side of rack, the surface of rotating rod is fixedly connected with tooth column, the rack is rotatably connected with tooth column, the upper end of rotating rod is arranged in the bottom surface of T-shaped support rod and extends to the upper side of T-shaped support rod.
[0006] Further, the upper end of the rotating rod is fixedly connected with the placing plate, and the upper surface of the placing plate is fixedly connected with the handle.
[0007] Further, two ends of the T-shaped supporting rods away from the adjusting mechanism are fixedly connected with sliding blocks, and the upper surface of the base is provided with two sliding grooves, and the two sliding grooves correspond to the two T-shaped supporting rods respectively, and the two sliding blocks are slidably connected in the two sliding grooves respectively.
[0008] Further, the adjusting mechanism comprises a motor frame, the motor frame is fixedly connected to the inner bottom wall of the mounting groove, the motor frame is fixedly connected with a reversible motor in the inside, two output ends of the reversible motor are fixedly connected with threaded columns, two ends of the threaded columns away from the reversible motor are rotatably connected to the left and right inner walls of the mounting groove respectively, the surfaces of the threaded columns are threadedly connected with connecting blocks, the front surface of the connecting block is arranged in the inside of the mounting groove and extends to the front of the back plate, and the two connecting blocks are fixedly connected with the two T-shaped supporting rods respectively.
[0009] Further, the upper end of the right handle is provided with a switch one, and the upper surface of the back plate is provided with a switch two.
[0010] Further, the bottom surface of the base is fixedly connected with four supporting legs, and the four supporting legs are distributed in the bottom surface of the base in a rectangular manner.
[0011] Compared with the prior art, the auxiliary elbow flexion device for arm rehabilitation has the following beneficial effects:
[0012] 1、the patient places the elbow on the placing plate, then holds the handle, starts the motor through the switch one, drives the rack to perform elliptical motion under the cooperation of the rotating shaft, gear one and gear two, drives the rotating rod to reciprocatingly rotate left and right through the meshing relationship between the rack and the toothed column, thereby driving the placing plate fixedly connected to the upper end of the rotating rod to reciprocatingly swing left and right, and the elbow flexion movement of the arm is realized, the patient can continuously train, the patient can be more effectively helped to recover the strength of the arm muscle, and the rehabilitation effect is improved.
[0013] 2、the patient can reasonably adjust the distance between the two T-shaped supporting rods according to the self condition, and the use requirement of different patients can be met. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 it is a sectional view of the three-dimensional front view structure of the utility model;
[0015] Figure 2 It is the perspective structure schematic diagram of the utility model;
[0016] Figure 3 It is the perspective structure schematic diagram of the utility model drive mechanism section view;
[0017] Figure 4 It is the perspective structure schematic diagram of the utility model adjusting mechanism;
[0018] Figure 5 It is Figure 1 The structure schematic diagram of enlarged middle A.
[0019] In the figure: 1, base; 2, backboard; 3, installation slot; 4, adjusting mechanism; 401, motor frame; 402, positive and negative motor; 403, threaded column; 404, connecting block; 5, T-shaped support rod; 6, drive mechanism; 601, installation frame; 602, motor shell; 603, motor; 604, rotating shaft; 605, gear one; 606, gear two; 607, rack; 608, rotating rod; 609, toothed column; 7, placing plate; 8, handle; 9, sliding slot; 10, sliding block; 11, switch one; 12, switch two; 13, support leg. DETAILED DESCRIPTION
[0020] The principles and characteristics of the utility model are described below in combination with the drawings, and the examples are only used to explain the utility model and not used to limit the scope of the utility model.
[0021] The embodiment provides an auxiliary elbow bending device for arm rehabilitation, which is used for assisting elbow joint trauma patients to carry out scientific and efficient rehabilitation training, and the device is convenient for the patients to continuously train, can more effectively help the patients to recover the strength of arm muscles, and improves the rehabilitation effect.
[0022] Referring to Figures 1 to 5The utility model provides an assist elbow flexion device for arm rehabilitation, including base 1 and backplate 2, backplate 2 is fixedly connected on the upper surface of base 1, and the inside of backplate 2 is provided with installation groove 3, and the inside of installation groove 3 is installed with adjusting mechanism 4, and the front side of adjusting mechanism 4 is installed with two T-shaped support bars 5, and the bottom surface of two T-shaped support bars 5 is installed with drive mechanism 6, and drive mechanism 6 includes installation frame 601, and installation frame 601 is fixedly connected on the bottom surface of T-shaped support bar 5, and the back of installation frame 601 is fixedly connected with motor shell 602, and the inside of motor shell 602 is fixedly connected with motor 603, and the output of motor 603 is fixedly connected with rotating shaft 604, and the one end of rotating shaft 604 away from motor 603 is arranged in the back of installation frame 601 and extends to the inside of installation frame 601, and the one end of rotating shaft 604 away from motor 603 is fixedly connected with gear one 605, and the inside wall of installation frame 601 is rotatably connected with two gear two 606, and two gear two 606 are respectively distributed on the left and right sides of gear one 605, and two gear two 606 are rotatably connected with gear one 605, and the front side of two gear two 606 is fixedly connected with rack 607, and the inside bottom wall of installation frame 601 is rotatably connected with rotating rod 608, and rotating rod 608 is arranged on the front side of rack 607, and the surface of rotating rod 608 is fixedly connected with tooth cylinder 609, and rack 607 is rotatably connected with tooth cylinder 609, and the upper end of rotating rod 608 is arranged in the bottom surface of T-shaped support bar 5 and extends above T-shaped support bar 5.
[0023] The device can be seated on the upper surface of the base 1 when in use, the spacing between the two T-shaped support bars 5 can be adjusted by the adjusting mechanism 4, and the patient can undergo continuous rehabilitation training by the drive mechanism 6. Start the motor 603, rotate the gear one 605 through the rotating shaft 604, the gear one 605 meshes with the two gear two 606 for transmission, the front side of the two gear two 606 is fixedly connected with the rack 607, the rotation of the two gear two 606 can drive the rack 607 to perform elliptical motion, the rack 607 meshes with the tooth cylinder 609 for transmission, thereby driving the rotating rod 608 to rotate back and forth.
[0024] The upper end of the rotating rod 608 is fixedly connected with the placing plate 7, and the upper surface of the placing plate 7 is fixedly connected with the handle 8.
[0025] The upper end of the rotating rod 608 is fixedly connected with the placing plate 7, so the rotation of the rotating rod 608 will drive the placing plate 7 to swing back and forth, and the user can hold the handle 8 to achieve elbow flexion movement of the arm.
[0026] The one end of the two T-shaped support bars 5 away from the adjusting mechanism 4 is fixedly connected with the sliding block 10, and the upper surface of the base 1 is provided with two sliding grooves 9, and the two sliding grooves 9 correspond to the two T-shaped support bars 5 respectively, and the two sliding blocks 10 are slidably connected in the two sliding grooves 9 respectively.
[0027] The T-shaped support rods 5 are slidably connected with the base 1 through the sliding grooves 9 and the sliding blocks 10, and then the spacing between the two T-shaped support rods 5 can be adjusted through the adjusting mechanism 4.
[0028] The adjusting mechanism 4 comprises a motor frame 401 fixedly connected to the inner bottom wall of the mounting groove 3, the inside of the motor frame 401 is fixedly connected with a reversible motor 402, both output ends of the reversible motor 402 are fixedly connected with threaded columns 403, the ends of the two threaded columns 403 away from the reversible motor 402 are rotatably connected to the left and right inner walls of the mounting groove 3 respectively, the surfaces of the two threaded columns 403 are threadedly connected with connecting blocks 404, the front surface of the connecting block 404 is arranged in the inside of the mounting groove 3 and extends to the front of the back plate 2, and the two connecting blocks 404 are fixedly connected with the two T-shaped support rods 5 respectively.
[0029] The threaded directions of the surfaces of the two threaded columns 403 are opposite, the reversible motor 402 is started through the switch two 12, under the action of the two threaded columns 403, the two connecting blocks 404 can be driven to move close to or away from each other, then under the action of the sliding grooves 9 and the sliding blocks, the spacing between the two T-shaped support rods 5 can be adjusted.
[0030] The upper end of the right handle 8 is provided with a switch one 11, and the upper surface of the back plate 2 is provided with a switch two 12.
[0031] The switch one 11 can be used to control the operation of the driving mechanism 6, and the switch two 12 can be used to control the operation of the adjusting mechanism 4.
[0032] The bottom surface of the base 1 is fixedly connected with four supporting legs 13, and the four supporting legs 13 are distributed in a rectangular shape on the bottom surface of the base 1.
[0033] The supporting legs 13 can provide stable support for the device.
[0034] Working principle: the device in use, by switch two 12 start positive and negative motor 402, under the action of threaded column 403 drive two connecting block 404 close to or away from each other, connecting block 404 and T-shaped support rod 5 fixedly connected, T-shaped support rod 5 through the sliding slot 9 and the slider 10 and base 1 sliding connection, thus the movement of two connecting block 404 will drive two T-shaped support rod 5 close to or away from each other, according to the patient's own situation reasonable adjustment of the distance between the two T-shaped support rod 5, then sit on the base 1, put the elbow on the placement plate 7, hold the handle 8, by switch one 11 start motor 603, under the cooperation of shaft 604, gear one 605 and gear two 606, drive rack 607 elliptical motion, through the rack 607 and the gear column 609 meshing relationship, drive rotating rod 608 reciprocating rotation, thus drive rotating rod 608 the upper end fixedly connected placement plate 7 reciprocating swing, in turn realize to the elbow movement of arm, make the patient to carry on training can.
[0035] The above only for the preferred embodiment of the present application, and not to limit the present application, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application, should be included in the scope of protection of the present application.
Claims
1. An assisted elbow flexion device for arm rehabilitation, comprising a base (1) and a back plate (2), characterized in that: The back plate (2) is fixedly connected to the upper surface of the base (1), the inside of the back plate (2) is provided with a mounting groove (3), the inside of the mounting groove (3) is provided with an adjusting mechanism (4), the front side of the adjusting mechanism (4) is provided with two T-shaped support rods (5), the bottom surface of the two T-shaped support rods (5) is provided with a driving mechanism (6), the driving mechanism (6) comprises a mounting frame (601), the mounting frame (601) is fixedly connected to the bottom surface of the T-shaped support rod (5), the back surface of the mounting frame (601) is fixedly connected with a motor shell (602), the inside of the motor shell (602) is fixedly connected with a motor (603), the output end of the motor (603) is fixedly connected with a rotating shaft (604), one end of the rotating shaft (604) away from the motor (603) penetrates through the back surface of the mounting frame (601) and extends to the inside of the mounting frame (601), one end of the rotating shaft (604) away from the motor (603) is fixedly connected with a gear one (605), the inside wall of the mounting frame (601) is rotatably connected with two gear twos (606), the two gear twos (606) are respectively and symmetrically distributed on the left and right sides of the gear one (605), the two gear twos (606) are rotatably connected with the gear one (605), the front side of the two gear twos (606) is fixedly connected with a rack (607), the inside bottom wall of the mounting frame (601) is rotatably connected with a rotating rod (608), the rotating rod (608) is arranged on the front side of the rack (607), the surface of the rotating rod (608) is fixedly connected with a tooth column (609), the rack (607) is rotatably connected with the tooth column (609), the upper end of the rotating rod (608) penetrates through the bottom surface of the T-shaped support rod (5) and extends above the T-shaped support rod (5).
2. The device for assisting elbow flexion for arm rehabilitation according to claim 1, wherein: The upper end of the rotating rod (608) is fixedly connected with a placing plate (7), the upper surface of the placing plate (7) is fixedly connected with a handle (8).
3. The device for assisting elbow flexion for arm rehabilitation according to claim 1, wherein: The two T-shaped support rods (5) are fixedly connected with sliding blocks (10) away from the adjusting mechanism (4), the upper surface of the base (1) is provided with two sliding grooves (9), the two sliding grooves (9) correspond to the two T-shaped support rods (5), and the two sliding blocks (10) are slidably connected in the two sliding grooves (9).
4. The device for assisting elbow flexion for arm rehabilitation according to claim 1, wherein: The adjusting mechanism (4) includes a motor frame (401) fixedly connected to the inner bottom wall of the mounting groove (3), a forward-reverse motor (402) fixedly connected inside the motor frame (401), two output ends of the forward-reverse motor (402) are fixedly connected with threaded columns (403), the two threaded columns (403) are rotatably connected to the left and right inner walls of the mounting groove (3) at the ends away from the forward-reverse motor (402), the surfaces of the two threaded columns (403) are threadedly connected with connecting blocks (404), the front surface of the connecting block (404) is arranged in the interior of the mounting groove (3) and extends to the front of the back plate (2), and the two connecting blocks (404) are fixedly connected with the two T-shaped support rods (5) respectively.
5. The device for assisting elbow flexion for arm rehabilitation according to claim 2, wherein: The upper end of the right handle (8) is provided with a switch one (11), and the upper surface of the back plate (2) is provided with a switch two (12).
6. The device for assisting elbow flexion for arm rehabilitation according to claim 1, wherein: The bottom surface of the base (1) is fixedly connected with four supporting legs (13), and the four supporting legs (13) are distributed in a rectangular shape on the bottom surface of the base (1).