CN102716001B

CN102716001B - Rehabilitative training machine for fingers

Info

Publication number: CN102716001B
Application number: CN201210205534.9A
Authority: CN
Inventors: 吴贵军; 翟雁; 国秀丽; 狄景微; 闻君祥; 王丙军; 赵慧丽; 来彦玲; 刘嵩
Original assignee: Anyang Institute of Technology
Current assignee: Anyang Institute of Technology
Priority date: 2012-06-13
Filing date: 2012-06-13
Publication date: 2014-06-18
Anticipated expiration: 2032-06-13
Also published as: CN102716001A

Abstract

The invention provides a rehabilitative training machine for fingers. The rehabilitative training machine for the fingers comprises a forearm support, a servo motor is fixed onto the forearm support, a bevel gear is mounted on an output shaft of the motor and connected with a planetary gear transmission mechanism, a swing rod is fixed to the lower end of a planetary gear in the planetary gear transmission mechanism, a swing frame is fixed onto the swing rod, sliding rods are fixed onto the swing frame, sliders are arranged on the sliding rods in a matched manner, and a finger tip fixing sleeve is mounted on each slider. By the aid of the servo motor and a force measuring device, the stress and bending-stretching angles of four fingers of a patient are monitored in real time, safety of the patient is ensured, the planetary gear transmission mechanism is used for driving so that the patient feels more comfortable in four-finger rehabilitation exercise, and the rehabilitative training machine for the fingers is simple in structure and convenient to manufacture.

Description

A kind of finger recovering training device

One, technical field

The present invention relates to a kind of finger recovering training device, belong to rehabilitation medical instrument field.

Two, background technology

Due to diseases such as apoplexy, cerebral trauma, hand injuries, make patient's hand function disappearance, not only life brings inconvenience, patient is also subject to very large strike mentally, and traditional medication effect is also very undesirable, adopts rehabilitation doctor by doing and illustrating to carry out rehabilitation training to patient is man-to-man, training effectiveness and training strength are difficult to ensure, cycle of training is long and costly, and patient will travel to and fro between hospital frequently simultaneously, passive treatment or the treatment of being unwilling in the subjective emotion of patient.

Existing finger gymnastic apparatus complex structure, cost is high, a lot of patients are difficult to bear economically, this planet gear type finger recovering training device uses single Electric Machine Control, simple in structure, exquisite, utilize planet gear type mechanism to improve the comfort level of Rehabilitation training, recovery training appliance for recovery is provided with strength sensor and driven by servomotor simultaneously, ensure patient's safety, can record and analyze patient's rehabilitation situation.

Three, summary of the invention

The object of the invention is to: bend and stretch, avoid for patient provides a kind of finger that patient is injured, the finger recovering training device of simple exquisiteness.

The object of the present invention is achieved like this: a kind of finger recovering training device, it comprises forearm bracket 1, the upper surface of forearm bracket 1 is provided with groove, on forearm bracket, be fixed with servomotor 2, bevel gear 3 is housed on motor output shaft, upper cover plate 12 is fixed on forearm bracket, between upper cover plate 12 and the lower surface of forearm bracket, be connected with gear shaft 4, described bevel gear 3 engages with the gear one on gear shaft 4, gear one is fixedly connected with gear shaft 4, gear shaft 4 is equipped with check lock lever 1 and check lock lever 2 11, one end of check lock lever 1 and securing rod 2 11 is locked on gear shaft 4, the other end of check lock lever 1 and securing rod 2 11 is locked respectively the two ends of a minor axis 7, this minor axis 7 is arranged on the other also setting in parallel of described gear shaft 4, gear 28 is housed on minor axis 7, gear 28 can rotate around minor axis, the fixing swing arm 9 in described gear 28 lower ends, gear 28 is meshed with the gear 35 that is fixed on upper cover plate 12 belows on forearm bracket 1, on described swing arm 9, post foil gauge, swing arm 9 tops are fixed with swing span 24 vertically upward, in the vertical direction of swing span 24, fix 4 lever brackets 27, on each lever bracket 27, be welded with horizontal sliding bar 25, on slide bar 25, have and be furnished with slide block 26, finger tip fixed cover 10 is housed on slide block, upper cover plate 12 tops are equipped with column 14 and palm bandage 15 vertically upward, the two ends of palm binder 15 are separately fixed at column 14 upper and lower sides.

Compared with prior art, tool of the present invention has the following advantages:

1. adopt the drive mechanism of planet gear type, the movement locus of traction patient finger is naturally flexible close to normal finger, makes patient more comfortable.

2. adopt finger slide block structure, according to the position of patient's finger length scalable slide block.

3. adopt single motor to drive four fingers, be easy to realize and control.

4. adopted device for measuring force, realized patient's active and transport to and passive exercise function.

5. adopt servomotor and device for measuring force, the rotational angle of real time record and analysis institution and stressing conditions, ensure patient's safety, is convenient to doctor's record and analysis and evaluation patient's rehabilitation situation.

6. the design is simple in structure, compact, exquisite, and requirement on machining accuracy is not high.

Four, brief description of the drawings

Fig. 1 is the overall construction drawing of planet gear type finger recovering training device

Fig. 2 is the planetary gear structure figure of planet gear type finger recovering training device

Fig. 3 is the intermediate connecting mechanism schematic diagram of finger

Five, detailed description of the invention

Fig. 1 medium-height trestle 1 top is provided with groove, support patient's forearm, servomotor 2 is fixed on support 1, on motor 2 output shafts, bevel gear 3 is housed, the gear being meshed is with it made on gear shaft 4, gear shaft 4 is by two clamping bar 6 and 11 clamp shafts 7, transmitting gear 8 is housed on axle 7, the gear 5 being meshed is with it fixed on support 1, swing arm 9 is fixed on transmitting gear 8, on swing arm 9, fix rubber finger tip cover 10 by intermediate connecting mechanism, upper cover plate 12 is fixed on support 1, column 14 is fixed on upper cover plate 12 by interference fit, column 14 connects section Q-RING 13 and 16 is housed, the bandage 15 of immobilized patients palm is housed on two Q-RINGs.

Fig. 2 middle gear axle 4 two ends are arranged on support 1 and upper cover 12 by sliding bearing 17 and 21, centre has the check lock lever 6 and 11 of groove, screw the middle groove of check lock lever 6 and 11 is narrowed by bolt 18, thereby fastening teeth wheel shaft 4 and minor axis 7, transmitting gear 8 downsides on axle 7, by the fixing swing arm 9 of 3 screws, post foil gauge 20 and experience the stressed of patient's finger tip on swing arm 9.The gear 5 being meshed with gear 8 is fixed on fork-shaped part 22 by 3 bolts 23, and fork-shaped part 22 is fixed on support 1, in the middle of gear 5, has circular hole, make gear shaft 4 therefrom through and do not encounter gear 5.

In Fig. 3, on swing arm 9, be fixed with swing span 24, on swing span 24, fix 4 lever brackets 27 by 4 groups of bolts 28, on lever bracket 27, weld slide bar 25, on slide bar 25, coordinated slide block 26 is housed by hole shaft clearance, rubber strip is through the bonding one-tenth finger tip of the square hole fixed cover 10 of slide block 26.

Patient's forearm is placed in the upper grooves of bracket 1, the centre of the palm is attached on column 14, tighten bandage 15, the far-end articulations digitorum manus of patient's four fingers is enclosed within on finger tip fixed cover 10, controlling motor 2 rotates, bevel gear 3 driven gear axles 4 rotate, two check lock lever 6 and 11 band moving axis 7 are around gear shaft 4 circular-rotations, when having enough to meet the need, engages and autobiography with gear 5 by gear 8, form planetary wheeling mechanism, check lock lever 6 and 11 is tie-rod, wheel centered by gear 5, gear 8 is planetary gear, planetary gear 8 drives swing arm 9 to rotate, swing span 24, bracket 27, slide bar 25, slide block 26 rotates together, drive patient's four finger stretching motions by rubber fingerstall 10.

Claims

1. a finger recovering training device, it comprises forearm bracket (1), the upper surface of forearm bracket (1) is provided with groove, on forearm bracket, be fixed with servomotor (2), bevel gear (3) is housed on motor output shaft, upper cover plate (12) is fixed on forearm bracket, between upper cover plate (12) and the lower surface of forearm bracket, be connected with gear shaft (4), described bevel gear (3) engages with the gear one on gear shaft (4), gear one is fixedly connected with gear shaft (4), gear shaft (4) is equipped with check lock lever one (6) and check lock lever two (11), one end of check lock lever one (6) and securing rod two (11) is locked on gear shaft (4), the other end of check lock lever one (6) and securing rod two (11) is locked respectively the two ends of a minor axis (7), this minor axis (7) is arranged on the other also setting in parallel of described gear shaft (4), gear two (8) is housed on minor axis (7), gear two (8) can rotate around minor axis, the fixing swing arm (9) in described gear two (8) lower ends, gear two (8) is meshed with the gear three (5) that is fixed on upper cover plate (12) below on forearm bracket (1), on described swing arm (9), post foil gauge, swing arm (9) top is fixed with swing span (24) vertically upward, on swing span (24), fix 4 lever brackets (27), on each lever bracket (27), be welded with horizontal sliding bar (25), on slide bar (25), have and be furnished with slide block (26), finger tip fixed cover (10) is housed on slide block, upper cover plate (12) top is equipped with column (14) and palm bandage (15) vertically upward, the two ends of palm binder (15) are separately fixed at column (14) upper and lower side.

2. finger recovering training device according to claim 1, is characterized in that, in the middle of gear three (5), has circular hole, and gear shaft (4) therefrom passes, and does not contact with gear three (5).

3. finger recovering training device according to claim 1, is characterized in that, gear three (5), gear two (8) and check lock lever one (6) form planetary gear transmission mechanism with securing rod (11).

4. finger recovering training device according to claim 1, is characterized in that, slide bar (25) and slide block (26) can be according to the positions of the length adjustment slide block of patient's four fingers.

5. finger recovering training device according to claim 1, it is characterized in that, it is upper that the gear three (5) being meshed with gear two (8) is fixed on fork-shaped part (22) by 3 bolts (23), and fork-shaped part (22) is fixed on forearm bracket (1).