CN204798297U - Passive rehabilitation training device of unilateral upper limbs - Google Patents

Abstract

The utility model provides a passive rehabilitation training device for unilateral upper limbs, which includes a base, a seat, an up and down position adjustment mechanism, left and right upper limb rehabilitation training devices, and the left and right upper limb rehabilitation training devices are equipped with front and rear direction settings. The linear guide rail and slider mechanism, the rack and pinion mechanism, one side of the upper limb rehabilitation training device drives the other side of the upper limb rehabilitation training device to move forward and backward through the middle mobile platform, and at the same time through the gear and rack meshing, so that it must rotate when moving. The right upper limb rehabilitation training device adopts double racks with adjustable positions, which can make different racks and gears mesh, so that the front end of one upper limb of the patient can actively make a circle movement, and at the same time move the driving platform back and forth to drive the front end of the other upper limb to passively perform the same movement. It can draw a circle in the direction or in the opposite direction, and at the same time move forward and backward at the same time. It has a simple structure and high safety.

Description

A passive rehabilitation training device for unilateral upper limbs

1. Technical field

The utility model relates to a passive rehabilitation training device for one upper limb, which belongs to the field of rehabilitation medical equipment.

2. Background technology

Every year in our country, due to the nervous system damage caused by stroke and accidents, the number of patients with loss of limb motor function or partial loss is increasing year by year. In addition to early surgical treatment and necessary drug treatment, correct and scientific rehabilitation training is essential for these patients. Improving the motor function of the limbs plays an important role. However, rehabilitation doctors conduct one-on-one rehabilitation training. On the one hand, the cost of rehabilitation treatment is relatively high. In a better state, the use of rehabilitation equipment can completely replace the rehabilitation training of professional doctors, which not only ensures the intensity of each training, is not affected by human factors, but also can evaluate the rehabilitation effect of patients in real time.

This unilateral upper limb passive rehabilitation training device adopts no external power input and has a simple structure. It realizes the active movement of the front end of one upper limb to draw a circle and move back and forth at the same time to drive the other upper limb to draw a circle in the same direction or in the opposite direction and move forward and backward at the same time. , to achieve the patient's autonomous recovery.

3. Contents of utility model

The purpose of this utility model is to provide patients with upper limb dysfunction with a front end of one side of the upper limb that moves back and forth while drawing a circle independently, and drives the front end of the other side of the upper limb to move forward and backward at the same time and perform circle rehabilitation exercises in the same direction or in the opposite direction. The movement of the front end of the upper limb then drives the coordinated rehabilitation movement of the whole upper limb.

The purpose of this utility model is achieved in that:

A unilateral upper limb passive rehabilitation training device, including an up and down position adjustment mechanism, a left upper limb rehabilitation movement mechanism and a right upper limb rehabilitation movement mechanism, the up and down position adjustment mechanism can be adjusted up and down along the column, and the up and down position adjustment mechanism is fixed on the There is a bracket 6, and the left upper limb rehabilitation training device and the right upper limb rehabilitation training device are fixed on the bracket 6;

The left side of the support 6 is provided with a horizontal platform 601 extending backwards, and one side of the upper surface of the horizontal platform 601 is fixedly installed with a linear guide rail 2 13 placed horizontally along the front and rear directions, and a slide block 2 15 is installed on the guide rail 2 13, and the slide block 2 15 Fixed on one end of the mobile platform 16, one end of the mobile platform 16 is fixedly connected to the front end of the left connecting plate 14, the side of the guide rail two 13 is provided with a rack one 12 in parallel, and the rack one 12 is fixed on the horizontal platform 601, left The side rotating disc 17 is vertically provided with a left palm bar 19, the left rotating shaft 22 lower end is fixed with a gear 1 23, and the left rotating shaft 22 upper end passes through the bearing seat at the left connecting plate 14 rear end and is fixed on the left rotating disc 17 center, Gear one 23 meshes with rack one 12;

The upper surface of the right side of the support 6 is provided with a horizontal platform 602 extending backwards, and above it is also provided with a linear guide rail three 32 symmetrical about the patient, a right connecting plate 27, a right rotating disc 25, a gear two 47, The right side rotating shaft 49, the right connecting plate 27 are fixed on the top of the other end of the mobile platform 16, the connecting frame 38 is fixed on the lower surface of the horizontal platform 602, and the left horizontal side fixed rack is arranged on the described connecting frame 38 Two 46, right horizontal side fixed rack three 48, these two tooth racks are parallel to linear guide rail three 32, and gear two 47 are arranged between them, left horizontal side fixed rack two 46, right horizontal side fixed rack three 48 can be respectively meshed with the second gear 47 by moving through the linear movement mechanism, the second gear 47 is fixed on the lower end of the right rotating shaft 49, and the upper end of the right rotating shaft 49 passes through the bearing seat of the right connecting plate 27 and is fixed on the center of the right rotating disk 25 , the right side palm bar is fixed on the right side rotating disk 25.

The linear movement mechanism is a screw nut transmission mechanism.

The concrete structure of described leading screw nut transmission mechanism is: the rear end of described connecting frame 38 right sides facade is equipped with bearing housing 4 28, and its inner hole is equipped with leading screw rotating shaft 1 30, and leading screw rotating shaft 1 30 horizontal direction Set, its rightmost end is fixed with hand wheel 2 31, is positioned at the right side of bearing housing 4 28 and is fixed with sprocket 1 29 on the screw shaft 1 30, and described connecting frame 38 right sides elevation front side is provided with bearing in the same way Bearing block five 37, leading screw rotating shaft two 36, handwheel three 34, sprocket two 35, sprocket two 35 and sprocket one 29 adopt chain 33 to carry out transmission, above-mentioned leading screw rotating shaft one 30 and leading screw rotating shaft two 36 pass nut Make the support frame of left horizontal side fixed rack two 46, right horizontal side fixed rack three 48 move along the track, realize adjustment.

The bottom of the connecting frame 38 is provided with a water platform 381 protruding to the right, and a linear guide rail 3 42 is fixed on the upper surface of the water platform 381 rear in the left and right direction, and a slider 3 44 is installed on the guide rail, and the upper surface of the slider 3 44 is fixedly installed with a Rack bracket 45, the rack bracket 45 is an inverted "several" shape, and its lower horizontal edge is fixed on the upper surface of the slider three 44, and the upper side of the rack bracket 45 is fixed with a left horizontal edge fixed rack two. 46. Fixed rack three 48 on the right horizontal side;

The leading screw of the described screw shaft one 30 and the nut one 43 form a helical pair, and the nut one 43 is fixed on the lower surface of the horizontal side of the lower side of the rack bracket 45, and a linear guide rail four 39, Slide block four 40, nut two 41, described leading screw rotating shaft two 36 are provided with screw thread, and nut two 41 form screw pair.

The screw nut transmission mechanism is driven and adjusted by a hand wheel or a crank.

The left palm bar 19 and the outer surface of the left palm bar are looped with a sleeve 20, and the two ends of the sleeve 20 are fixed with palm straps 18.

The up and down position adjustment mechanism is a nut and lead screw adjustment mechanism.

The concrete structure of described nut, leading screw adjustment mechanism is: guide rail 4, leading screw 9 are fixed on the column 2, leading screw 9 and guide rail 4 are placed vertically in parallel, the nut 8 on the leading screw 9, the slide block on the guide rail 4 5 is fixedly connected with the bracket 6, and the upper end of the screw 9 is fixed with a hand wheel 11.

The unilateral upper limb passive rehabilitation training device also includes a seat 3 .

Compared with the prior art, the utility model has the following advantages:

1. Without the need for external power, one side of the patient's upper limb moves autonomously, driving the other side of the upper limb that cannot move independently to perform rehabilitation training.

2. Realize the simultaneous movement of the patient's upper limbs in two directions. The front ends of the patient's upper limbs on both sides move forward and backward in the same direction, and draw circles in the same direction or in the opposite direction at the same time. Choose the same direction or reverse circles according to the patient's comfort level.

3. High safety. The active movement of one upper limb of the patient drives the passive movement of the other side. When the range of motion is too large or the traction force is too large, the patient will feel pain and reduce the range of motion to protect himself and prevent the patient from being injured.

4. The mechanical structure is adopted, the cost is low, and it is easy to popularize and apply.

4. Description of drawings

Figure 1 is the overall structure diagram of the unilateral upper limb passive rehabilitation training device

Figure 2 is a structural schematic diagram of the upper and lower adjustment parts of the unilateral upper limb passive rehabilitation training device

Figure 3 is a schematic diagram of the structure of the left side forward and backward movement transmission part of the unilateral upper limb passive rehabilitation training device

Figure 4 is a schematic diagram of the structure of the left rotating transmission part of the unilateral upper limb passive rehabilitation training device

Figure 5 is a schematic diagram of the structure of the transmission part of the right side of the passive rehabilitation training device for the upper limb.

Figure 6 is a schematic diagram of the structure of the right side rotation transmission part of the passive rehabilitation training device for the upper limbs on one side

5. Specific implementation

1-6, the unilateral upper limb passive rehabilitation training device of the present invention includes a base 1, a column 2, a seat 3, an up and down position adjustment mechanism, a left upper limb rehabilitation movement mechanism and a right upper limb rehabilitation movement mechanism. The left and right directions are defined according to the orientation of a person sitting on a seat, so as to facilitate the description of this application. The right side of the front side of the column 2 is fixed with a guide rail-4, the guide rail-4 is placed vertically, the slide block-5 is installed on the guide rail-4, and the left side of the front side of the column 2 is fixed with a bearing along the vertical direction. Bearing block one 7, bearing block two 10, bearing block one 7 and bearing block two 10 are equipped with lead screw 9, lead screw 9 and guide rail one 4 parallel vertical placement, lead screw 9 is equipped with nut 8, nut 8 The front surface of slider one 5 forms a fixed connection with one side of the vertical direction of the support 6, and the other side of the support 6 is placed along the horizontal direction. The upper surface of the support 6 is fixed with a left upper limb rehabilitation training device and a right upper limb rehabilitation training device. Leading screw 9 is positioned at the upper end of bearing housing two 10 and is fixed with hand wheel one 11.

The upper surface on the left side of the support 6 is provided with a horizontal platform 601 extending backward, and the left side of the upper surface of the horizontal platform 601 is equipped with a linear guide rail 2 13 placed horizontally along the front and rear direction, and a slider 2 15 is installed on the guide rail 2 13. Slide block two 15 is fixed with mobile platform 16, and mobile platform 16 is the upside-down " several " font, and the horizontal limit of its underside is fixed on the upper surface of slide block two 15, and the two horizontal limit upper surfaces of its top and the left side The front end of the connecting plate 14 is fixedly connected, and the right side of the guide rail two 13 is parallel and horizontally provided with a rack one 12, which is fixed on the upper surface of the horizontal platform 601, and the left rotating disc 17 is fixed with a vertically arranged left Side palm bar 19, left side palm bar 19 outer surface looper has left side sleeve 20 and forms rotational connection with it, left side sleeve 20 two ends are fixed with palm left side strap 18.

Described left connecting plate 14 rear end is equipped with bearing housing three 21, and its inner hole is equipped with left rotating shaft 22, and left rotating shaft 22 lower end is fixed with gear one 23, and gear one 23 meshes with rack one 12, and gear One 23 is located on the right side of rack one 12.

The upper surface of the right side of the support 6 is provided with a horizontal platform 602 extending backwards, and above it is also provided with a linear guide rail 3 32 symmetrical about the left and right sides of the patient, a right connecting plate 27, a right rotating disc 25, and a right sleeve 26. The right hand strap 24, the lower surface of the horizontal platform 602 is fixed with a connecting frame 38, the rear end of the right facade is equipped with a bearing seat 4 28, and the inner hole is equipped with a screw shaft 1 30, Lead screw rotating shaft 1 30 horizontal left and right direction is arranged, and its rightmost end is fixed with handwheel 2 31, is positioned at bearing housing 4 28 right sides and is fixed with sprocket 1 29 on the leading screw rotating shaft 1 30, connecting frame 38 right side elevation front sides The same mode is provided with bearing housing five 37, leading screw rotating shaft two 36, handwheel three 34, sprocket two 35, and sprocket two 35 and sprocket one 29 adopt chain 33 to carry out transmission.

A water platform 381 protruding to the left is arranged below the connecting frame 38, and a linear guide rail 3 42 is fixed on the left and right directions on the upper surface of the water platform 381 rear, and a slider 3 44 is installed on the guide rail, and the upper surface of the slider 3 44 is fixedly installed A rack bracket 45 is arranged, and the rack bracket 45 is in the shape of an upside-down "several". Fixed rack three 48 on the side, two gears 47 are arranged between the two racks, and two gears 47 are fixed on the lower end of the right rotating shaft 49, the leading screw of the described leading screw shaft one 30 and the nut one 43 form a helical pair, and the nut one One 43 is fixed on the lower surface of the horizontal side of the lower side of the rack bracket 45, and the front of the horizontal platform 381 is also provided with a linear guide rail four 39, a slide block four 40, a nut two 41, and the two screw shafts 36 are provided with Screw thread, forms spiral pair with nut two 41. .

The patient sits on the seat 3, turns the hand wheel 11, adjusts the up and down position of the bracket 6, and then adjusts the height of the upper limb rehabilitation movement mechanism on the left and right sides to make the patient more comfortable. The patient's left palm sticks to the left sleeve 20, tighten the left palm strap 18, stick the right palm on the right side sleeve 26, tighten the right palm strap 24, rotate the handwheel two 31 or the handwheel three 34, and make the lead screw through the chain 33 Rotating shaft one 30 leading screw rotating shaft two 36 drives nut one 43, nut two 41 to move synchronously to the right simultaneously, the rack bracket 45 that is fixed on slide block three 44, slide block four 40 moves to the right, makes rack two 46 Right movement meshes with gear two 47. If the patient's left upper limb is active, the left hand rotates the left rotating disk 17 through the left palm lever 19. Because the gear one 23 meshes with the rack one 12, the rotating disk 17 rotates along the guide rail two 13 at the same time. Move forward or backward so that the front end of the patient's left upper limb draws a circle while moving back and forth, and the patient's right upper limb passively draws a circle and moves forward and backward in the same direction as the front end of the left upper limb through the mobile platform 16; if the handwheel is adjusted Two 31 or handwheel three 34, rack three 48 and gear two 47 are meshed, then the patient's right side passive movement moves forward or backward in the same direction as the left side movement, but the direction of the circle drawn by the upper limbs on both sides is opposite.

If the patient's right upper limb moves actively, the movement route of the transmission mechanism is reversed, and the front end of the left upper limb is also passively moved forward and backward in the same direction, and circles are drawn in the same or opposite direction.

Claims (9)

1. an one-sided upper limb passive rehabilitation training device, comprise upper-lower position guiding mechanism, left side upper limb healing motion and right side upper limb healing motion, it is characterized in that: upper-lower position guiding mechanism can adjust along column upper-lower position, described upper-lower position guiding mechanism is fixed with support (6), support (6) is fixed with left side exercising apparatus for recovery of upper limb and right side exercising apparatus for recovery of upper limb;

Support (6) left side is provided with the horizontal stand (601) extended back, horizontal stand (601) upper surface side is installed with the line slideway two (13) of horizontal positioned along the longitudinal direction, guide rail two (13) is provided with slide block two (15), slide block two (15) is fixed on one end of travelling carriage (16), travelling carriage (16) one end is fixedly connected with left side connecting plate (14) front end, described guide rail two (13) side is arranged with tooth bar one (12) in parallel, tooth bar one (12) is fixed on horizontal stand (601), left pivot movement dish (17) is vertically provided with left side palm bar (19), rotating shaft (22) lower end, left side is fixed with gear one (23), rotating shaft (22) upper end, left side is fixed on left pivot movement dish (17) center through the bearing block of left side connecting plate (14) rear end, gear one (23) engages with tooth bar one (12),

Described support (6) right side upper surface is provided with the horizontal stand (602) extended back, be provided with about the symmetrical line slideway three (32) of patient above it equally, right side connecting plate (27), right side rolling disc (25), gear two (47), right side rotating shaft (49), right side connecting plate (27) is fixed on the top of travelling carriage (16) other end, described horizontal stand (602) lower surface is fixed with link (38), described link (38) is provided with left horizontal sides stationary rack two (46), right horizontal sides stationary rack three (48), these two tooth bars are parallel to line slideway three (32), and be provided with gear two (47) between them, left horizontal sides stationary rack two (46), right horizontal sides stationary rack three (48) is moved can be engaged with gear two (47) respectively by linear moving mechanism, gear two (47) is fixed on the lower end on right side rotating shaft (49), rotating shaft (49) upper end, right side is fixed on the center on right side rolling disc (25) through the bearing block of right side connecting plate (27), right side rolling disc (25) is fixed with right side palm bar.

2. one-sided upper limb passive rehabilitation training device as claimed in claim 1, is characterized in that: described linear moving mechanism is screw nut driven mechanism.

3. one-sided upper limb passive rehabilitation training device as claimed in claim 2, it is characterized in that: the concrete structure of described screw nut driven mechanism is: facade rear end, described link (38) right side is provided with bearing shaft bearing four (28), its endoporus is provided with leading screw rotating shaft one (30), the horizontal left and right directions of leading screw rotating shaft one (30) is arranged, its low order end is fixed with handwheel two (31), leading screw rotating shaft one (30) is positioned at bearing shaft bearing four (28) right side and is fixed with sprocket wheel one (29), bearing shaft bearing five (37) is provided with in an identical manner on front side of the facade of described link (38) right side, leading screw rotating shaft two (36), handwheel three (34), sprocket wheel two (35), sprocket wheel two (35) and sprocket wheel one (29) adopt chain (33) to carry out transmission, above-mentioned leading screw rotating shaft one (30) and leading screw rotating shaft two (36) make left horizontal sides stationary rack two (46) by nut, the bracing frame of right horizontal sides stationary rack three (48) is along rail moving, realize regulating.

4. one-sided upper limb passive rehabilitation training device as claimed in claim 3, it is characterized in that: described link (38) below is provided with overhanging horizontal stand (381) to the right, horizontal stand (381) rear upper surface left and right directions is fixed with line slideway three (42), guide rail is provided with slide block three (44), slide block three (44) upper surface is installed with rack bracket (45), rack bracket (45) is in inverted " several " font, its lower horizontal limit is fixed on slide block three (44) upper surface, rack bracket (45) upside is fixed with left horizontal sides stationary rack two (46), right horizontal sides stationary rack three (48),

Leading screw and the nut one (43) of described leading screw rotating shaft one (30) form screw pair, nut one (43) is fixed on rack bracket (45) lower horizontal limit lower surface, line slideway four (39), slide block four (40) is provided with equally in the front of horizontal stand (381), nut two (41), described leading screw rotating shaft two (36) is provided with screw thread, forms screw pair with nut two (41).

5. one-sided upper limb passive rehabilitation training device as claimed in claim 4, is characterized in that: described screw nut driven mechanism adopts handwheel or crank to drive and regulates.

6. one-sided upper limb passive rehabilitation training device as claimed in claim 1, it is characterized in that: left side palm bar (19) and left side palm rod outer surface kink have sleeve (20), and sleeve (20) two ends are fixed with palm bandage (18).

7. one-sided upper limb passive rehabilitation training device as claimed in claim 1, is characterized in that: upper-lower position guiding mechanism is nut, leading screw governor motion.

8. one-sided upper limb passive rehabilitation training device as claimed in claim 7, it is characterized in that: the concrete structure of described nut, leading screw governor motion is: column (2) is fixed with guide rail (4), leading screw (9), leading screw (9) and guide rail (4) parallel vertical are placed, nut (8) on leading screw (9), the slide block (5) on guide rail (4) are fixedly connected with support (6), and described leading screw (9) upper end is fixed with handwheel (11).

9. one-sided upper limb passive rehabilitation training device as claimed in claim 1, is characterized in that: described one-sided upper limb passive rehabilitation training device also comprises seat (3).