CN104905936A - Rehabilitation chair for upper limbs and lower limbs - Google Patents

Abstract

The invention provides an upper and lower limb rehabilitation chair, which includes a chair frame, a motor, a lower limb rehabilitation mechanism, and an upper limb rehabilitation mechanism. The lower limb rehabilitation mechanism includes a motor, a pulley, a belt, a transmission shaft, a pedal, a crankshaft assembly, a slider, etc.; The rehabilitation mechanism includes pulleys, belts, cranks, connecting rods, sliders, slide rails, handles, etc. The motor drives the drive shaft through the pulley transmission mechanism. The pulley is installed in the middle of the drive shaft and drives the crankshaft to rotate through the belt drive. The plate moves around the top installation axis at a certain angle, thereby driving the lower limbs to do rehabilitation exercises; the two ends of the transmission shaft are respectively equipped with pulleys to drive the belt transmission mechanism to drive the crank to rotate, and the connecting rod drives the slider to make a back-and-forth linear motion along the slide rail. The board and the handle are fixed on the slider, thereby driving the upper limbs to perform reciprocating rehabilitation exercises. The present invention is simple in structure, easy to use, and a single power source realizes the rehabilitation function of the upper and lower limbs simultaneously, and is suitable for popularization and application.

Description

Rehabilitation chair for upper and lower limbs

technical field

The invention relates to a rehabilitation machine, in particular to a rehabilitation chair for upper and lower limbs, which belongs to the field of rehabilitation equipment.

Background technique

People are paying more and more attention to health problems. Due to various reasons, some people have dysfunctions in their upper or lower limbs. These people can only sit on chairs all year round and lack proper rehabilitation training, which can easily lead to physical discomfort and weaken the motor function of upper and lower limbs. However, the rehabilitation structure imported abroad is complicated and the chair is expensive, because a simple, convenient and practical rehabilitation chair needs to be designed.

The Chinese patent "A Multifunctional Rehabilitation Chair" (Patent No.: 201410521383.7) consists of: a small bracket assembly, a small assembly for moving the legs back and forth, a small assembly for moving the legs left and right, a small assembly for moving the arms left and right, and a small assembly for the swivel chair. Assembly, arm front and rear movement small assembly, arm up and down movement small assembly, bracket small assembly and leg front and rear movement small assembly are connected by welding, leg left and right movement small assembly and bracket are connected by welding, arm left and right movement small The assembly and the bracket are connected by welding, the small assembly of the swivel chair is connected with the seat shaft in the bracket by welding, and is matched with the rotating groove I through the ball V clearance, the small assembly of the arm moving forward and backward is connected with the bracket by welding, and the arm moves up and down The moving small assembly and the bracket are connected by welding. It can perform hand and foot rehabilitation, but there is more than one power source, and the structure is complicated and inconvenient to use. The Chinese patent "lower limb rehabilitation chair" (patent number: 201220713718.1) has a positioning seat on the front side of the lower end of the chair leg, and a lower limb rehabilitation device is arranged on the positioning seat. The lower limb rehabilitation device is composed of a shell, a motor, a driving sprocket, and a passive sprocket. , chain, rotating shaft, left connecting arm, right connecting arm, left foot pedal, right foot pedal, fixing belt and control switch, the housing is equipped with a motor and a rotating shaft, the motor is controlled by the control switch, and the output shaft of the motor is set There is a driving sprocket, and a passive sprocket is arranged on the rotating shaft. The driving sprocket is connected with the passive sprocket through a chain. The boards are hinged, one end of the right connecting arm is fixedly connected to the right end of the rotating shaft, and the other end is hinged to the right pedal. The left pedal and the right pedal are respectively equipped with fixing belts. The function is single, and the simultaneous rehabilitation of the upper and lower limbs cannot be realized. .

Contents of the invention

The object of the present invention is to provide a rehabilitation chair for upper and lower limbs which simultaneously realizes the rehabilitation training functions of upper limbs and lower limbs through a single power source.

The purpose of the present invention is achieved in that it includes a chair frame, an upper limb rehabilitation mechanism and a lower limb rehabilitation mechanism; The left foot pedal and the right foot pedal hinged with the left foot pedal installation frame and the right foot pedal installation frame, the bearing support seat and the motor are installed at the lower end of the chair frame, the transmission shaft and the motor output shaft are installed on the bearing support seat There is a No. 1 pulley on the upper sleeve, and a No. 2 pulley is set on the transmission shaft, and a first belt is installed between the No. 1 pulley and the No. 2 pulley. The upper limb rehabilitation mechanism includes a left upper limb rehabilitation mechanism and a right upper limb rehabilitation mechanism. The side upper limb rehabilitation mechanism and the right upper limb rehabilitation mechanism are arranged symmetrically on both sides of the chair frame, and the left upper limb rehabilitation mechanism includes the No. The matched left slide rail, the left connecting shaft installed on the side of the left slider, the left connecting rod hinged with the left connecting shaft, the left crank hinged with the left connecting rod, and the left slide rail is installed on the chair frame, the The left crank is fixedly connected to the end face of the No. 4 pulley. The No. 4 pulley is set on the left pulley shaft, and a second belt is installed between the No. 4 pulley and the No. 3 pulley. The right upper limb rehabilitation mechanism includes a set on the right end of the drive shaft. No. 5 pulley, the right slider installed under the right hand support, the right slide rail matched with the right slider, the right connecting shaft installed on the side of the right slider, the right connecting rod hinged with the right connecting shaft, and the right connecting shaft The right crank hinged by the rod, and the right slide rail is installed on the chair frame, the right crank is fixedly connected with the end face of the No. 6 pulley, and the No. 6 pulley is set on the shaft of the right pulley, and the No. A third belt is installed between the pulleys;

The lower limb rehabilitation mechanism includes the No. 7 pulley set in the middle of the transmission shaft, the crankshaft installed between the two pedal mounting brackets, the No. 8 pulley set in the middle of the crankshaft, and the No. 7 pulley and the No. 8 pulley. The fourth belt between the number pulleys, the left pedal connecting shaft and the right pedal connecting shaft, the ends of the left pedal connecting shaft and the right pedal connecting shaft are respectively connected with the two ends of the crankshaft. The left connecting rod and the right connecting rod are connected, and the ends of the left connecting rod and the right connecting rod are respectively fixedly connected with the left rotating shaft and the right rotating shaft installed on the two pedal mounting brackets, and the left rotating shaft and the right rotating shaft are connected with the two feet. Bearings are arranged between the pedal mounting brackets, and left chutes are respectively arranged on both sides of the left pedal, and left chute sliders are respectively installed in the left chute, and the left pedal sliders Set on the connecting shaft of the left foot pedal, the left foot pedal rides on the connecting shaft of the left foot pedal, the two sides of the right foot pedal are respectively provided with right chute, and the right chute is respectively installed with the right foot pedal slider, and the right pedal slider is sleeved on the right pedal connecting shaft, and the right pedal rides on the right pedal connecting shaft.

The present invention also includes such structural features:

1. The two handrails are also provided with handles respectively.

Compared with the prior art, the beneficial effects of the present invention are: the present invention can realize the simultaneous rehabilitation function of the upper and lower limbs through the set single power source, the structure is simple and convenient to use, a single motor drives the transmission shaft to rotate through the pulley transmission mechanism, and the transmission mode is simple Reliable, avoiding rigid impact, good safety. There are pulleys in the middle and both ends of the transmission shaft, which are matched by keys. The front crankshaft and the cranks on both sides of the chair frame are driven to rotate through the pulley transmission mechanism, and the pedals are driven to do pitching motions, and at the same time, the handles on both sides of the chair body and handrails are driven. The board makes a linear reciprocating motion, thereby realizing simultaneous rehabilitation of the upper and lower limbs. That is to say, the advantage and innovation of the present invention is that one motor can be used to carry out two kinds of rehabilitation exercises for upper limbs and lower limbs, and the movement transmission adopts flexible belt transmission, which improves the safety during the rehabilitation process. It can realize the synchronous rehabilitation of pitching movement of lower limbs and ankles and reciprocating movement rehabilitation of upper limbs. The mechanism for realizing the two movements is simple and convenient to use.

Description of drawings

Fig. 1 is a structural schematic diagram one of the present invention;

Fig. 2 is a structural schematic diagram two of the present invention;

Fig. 3 is a side view of the present invention;

Fig. 4 is a schematic structural view of the lower limb rehabilitation mechanism of the present invention;

Fig. 5 is a schematic structural view of the upper limb rehabilitation mechanism of the present invention.

Detailed ways

The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

1 to 5, the present invention includes a chair frame 1, an upper limb rehabilitation mechanism and a lower limb rehabilitation mechanism, and the chair frame 1 is provided with two handrails 22 and 35, a left foot pedal mounting frame 5, a right foot Pedal mounting frame 36 and the left foot pedal 4 and the right foot pedal 37 that are respectively hinged with the left foot pedal mounting frame 5 and the right foot pedal mounting frame 36, the lower end of the chair frame 1 is equipped with a bearing support seat 2 and a motor. 9. The transmission shaft 15 is installed on the bearing support seat 2, the first pulley 11 is set on the motor output shaft 25, the second pulley 13 is set on the transmission shaft 15, and the first pulley 11 and the second pulley 13 are installed between the first pulley 11 A belt 12, the upper limb rehabilitation mechanism includes a left upper limb rehabilitation mechanism and a right upper limb rehabilitation mechanism and the left upper limb rehabilitation mechanism and the right upper limb rehabilitation mechanism are symmetrically arranged on both sides of the chair frame 1, and the left upper limb rehabilitation mechanism includes a suit No. three pulley 14 at power transmission shaft 15 left ends, the left slide block 20 that is installed in left hand holding plate 22 below, the left slide rail 21 that cooperates with left slide block 20, the left connecting shaft 31 that is installed in left slide block 20 sides, and The left connecting rod 19 hinged by the left connecting shaft 31, the left crank 18 hinged with the left connecting rod 19, and the left slide rail 21 is installed on the chair frame 1, and the left crank 18 is fixedly connected with the end face of the fourth pulley 17 , the No. 4 pulley 17 is set on the left pulley shaft 34, and the second belt 16 is installed between the No. 4 pulley 17 and the No. 3 pulley 14, and the right upper limb rehabilitation mechanism includes a No. 5 pulley 38 set on the right end of the transmission shaft , the right slide block 39 that is installed on the right hand support plate 35 below, the right slide rail 40 that cooperates with the right slide block 39, the right connecting shaft 41 that is installed on the right slide block 39 sides, the right connecting rod 42 that is hinged with the right connecting shaft 41 , the right crank 43 hinged with the right connecting rod 42, and the right slide rail 39 is installed on the chair frame 1, the end face of the right crank 43 and the sixth pulley 45 is fixedly connected, and the right pulley shaft 44 is sleeved with No. 6 pulley 45, and a third belt 46 is installed between No. 6 pulley 45 and No. 5 pulley 38; the lower limb rehabilitation mechanism includes No. 7 pulley 8 set in the middle of the transmission shaft 15, installed on two feet The crankshaft 6 between the pedal mounts 5 and 36, the eighth belt pulley 7 that is sleeved in the middle position of the crankshaft 6, the fourth belt 3 that is arranged between the seventh pulley 8 and the eighth pulley 7, and the two belts of the crankshaft 6 respectively The ends of the left pedal connecting shaft 30 and the right pedal connecting shaft 47, the left pedal connecting shaft 30 and the right pedal connecting shaft 47 are connected with the left connecting rod 27 and the right connecting rod respectively. 48. The ends of the left connecting rod 27 and the right connecting rod 48 are respectively fixedly connected with the left rotating shaft 28 and the right rotating shaft 49 installed on the two pedal mounts, and the left rotating shaft 28 and the right rotating shaft 49 are connected with the two pedals. Bearings 29 are arranged between the mounting brackets, and left chute 52 is respectively arranged on both sides of said left foot pedal 4, and left chute 52 is respectively equipped with left foot pedal slide block 26, and said left foot pedal Plate slider 26 is sleeved on the left foot pedal connecting shaft 30, and the left foot pedal 4 rides on the left foot pedal connecting shaft 30, and the two sides of the right foot pedal 37 The sides are also respectively provided with right chute 51, and right chute 51 is respectively equipped with right foot pedal slider 50, and described right foot pedal slider 50 is sleeved on the right foot pedal connecting shaft 47, and the right foot pedal Plate rides 37 on the right pedal connecting shaft 47. Handles 23 are respectively provided on the two handrails for easy grasping. The present invention has two functions of rehabilitation training for upper limbs and lower limbs at the same time, and the power source is driven by a single motor.

In conjunction with Fig. 1, 2, 4, the following narration is mainly with the left side of the present invention as an example (the left side refers to the direction of the left hand when the user sits in the present invention), the structure of the left and right is the same, and the motor 9 is installed in the method. On the orchid seat 10, the flange seat 10 is fixed to the bottom of the chair frame 1, the pulley 11 is connected with the motor output shaft 25 through a key, the motor rotation is transmitted to the pulley 13 through the belt 12, and the pulley 13 and the transmission shaft 15 are matched through a key to drive The two ends of the shaft 15 cooperate with the two bearing supports 2 through four bearings 24, and can rotate around the axis; the bearing supports 2 on both sides are consolidated with the bottom of the chair frame 1; the seventh pulley 8 is installed in the middle of the transmission shaft 15 and passes through The eighth pulley 7 is installed in the middle of the crankshaft 6 and is connected by a key. The rotation of the drive shaft 15 and the crankshaft 6 is transmitted through the fourth belt 3 to drive the rotation of the crankshaft 6; the crankshaft assembly is connected by the crankshaft 6 and the left pedal. 30 and right pedal connecting shaft 47, left connecting rod 27 and right connecting rod 48, left rotating shaft 28 and right rotating shaft 49 form together, left connecting rod 27 and right connecting rod 48 and left pedal connecting shaft 30 and right foot The pedal connecting shaft 47 and the crankshaft 6 are all consolidated, so that the crankshaft can be disassembled and installed conveniently; the shaft 30 is connected with the left pedal 4 through the slider 26, and the crankshaft cooperates with the pedal mounting bracket 5 through the bearing 29, and the crankshaft 6 rotates to drive The rotation of the two connecting rods drives the two connecting shafts to rotate along the axis of the crankshaft 6, thereby driving the left pedal 4 to pitch and move along the axis of the bottom hinge, thus playing the role of rehabilitation of the lower limbs. Plate 4 chute slides in a straight line to reduce friction.

In conjunction with Fig. 1, 2, 3, 5, taking the left side structure of the present invention as an example (the left side refers to the direction of the user's left hand when sitting in the present invention), the two ends of the drive shaft 15 are all connected to the No. 3 pulley 14 by keying , the left pulley shaft 34 and the right pulley shaft 44 cooperate with the two side walls of the chair frame 1 through the bearing 33, the fourth pulley 17 is connected with the shaft 34 through the key, the left crank 18 is consolidated with the fourth pulley 17, and can be connected with the fourth pulley 17 rotates synchronously, the rotation of the transmission shaft 15 is transmitted to the rotation of the fourth pulley 17 through the third belt 16, thereby driving the left crank 18 to rotate, the left and right slide rails are fixed on both sides of the chair frame 1, and the handle 23 is fixed on both sides Take the left hand rail as an example, the left hand rail 22 is fixed to the left slider 20, and can move linearly along the left slide rail 21, the left connecting shaft 31 is fixed on the side of the left slider 20, and the left crank 18 and The left connecting rod 19 is connected by pin shaft 32, and the left connecting rod 19 can rotate around the left connecting shaft 31. The left crank 18, the left connecting rod 19, and the left slider 20 form an eccentric crank slider mechanism, and the setting on the right side is the same as that on the left side , when in use, put your hands on the two handrails and hold the corresponding handle 23, the rotational motion of the transmission shaft 15 is converted into the linear reciprocating motion of the two sliders 20 through the belt drive and the crank slider mechanism, so as to realize Upper limb rehabilitation exercise.

The working process of the present invention is: the motor drives the rear transmission shaft to rotate through the pulley transmission mechanism, and the two ends of the rear transmission shaft cooperate with the bearing support through bearings to rotate around the axis. There are pulleys in the middle and both ends of the transmission shaft, which are matched by keys. The front crankshaft and the cranks on both sides of the chair frame are driven to rotate through the pulley transmission mechanism, so as to realize simultaneous rehabilitation of upper and lower limbs.

Specifically, in the lower limb rehabilitation mechanism, the motor drives the transmission shaft to rotate through the pulley mechanism. The pulley in the middle of the drive shaft and the pulley on the front crankshaft are driven by the pulley to drive the crankshaft to rotate. The pulley and the shaft are all keyed. The block can slide along the pedal chute. When the crankshaft rotates, the pedals make a pitching motion at a certain angle around the top installation axis, and the left and right pedals alternately move up and down to drive the lower limbs to perform rehabilitation exercises.

In the upper limb rehabilitation mechanism, the motor drives the transmission shaft to rotate through the pulley mechanism. There are pulleys on the left and right of the transmission shaft and are matched by keys. The rotation of the transmission shaft drives the pulleys placed on the left and right sides of the chair body to rotate through the pulley transmission mechanism. The pulleys are fixed with a crank, and the rotation of the crank drives the connecting rod to push the slider to reciprocate in a straight line along the slide rail. The crank connecting rod slider constitutes an eccentric crank slider mechanism. The rotation drives the slider to realize linear reciprocating motion along the guide rail, thereby driving the upper limbs to perform linear reciprocating rehabilitation exercise.

The advantages of the present invention include: the motor of the present invention is installed at the rear, and the transmission between shafts involved in the transmission of driving force is all driven by pulleys, which can reduce rigid impact and improve safety during rehabilitation.

The invention only uses a single power source, and can realize two kinds of rehabilitation training exercises of upper limbs and lower limbs simultaneously.

The crankshaft of the present invention is installed symmetrically to the center, and when the left crankshaft rotates to the top, the right crankshaft rotates to the bottom, so that the alternate up and down reciprocating pitching motion of the pedals can be realized. And the installation method can be adjusted according to the patient's habits, and the synchronous reciprocating pitching motion of the left and right pedals can also be realized.

The crank slider mechanism on the left and right sides of the present invention is an eccentric crank slider machine. The belt pulley and the crank are directly consolidated, and the belt drives the pulley to directly drive the crank to rotate. Reciprocating motion or synchronous reciprocating motion of left and right hands.

Claims (2)

1. a upper and lower extremities recovery chair, comprise chair frame, upper limb healing mechanism and lower limb rehabilitation mechanism, and described chair frame is provided with two hand steered plates, Vehicular left pedal installing rack, right steps installing rack and respectively with Vehicular left pedal installing rack, the Vehicular left pedal that right steps installing rack is hinged and right steps, it is characterized in that: institute's chair frame lower end is provided with bearing support block and motor, bearing support block is provided with power transmission shaft, motor output shaft is set with a belt pulley, power transmission shaft is set with No. two belt pulleys, and between a belt pulley and No. two belt pulleys, the first belt is installed, described upper limb healing mechanism comprises the both sides that left side upper limb healing mechanism and right side upper limb healing mechanism and left side upper limb healing mechanism and right side upper limb healing mechanism are symmetricly set on chair frame, left side upper limb healing mechanism comprises No. three belt pulleys being sleeved on power transmission shaft left end, be arranged on left hand and hold up left slider below plate, the left slide rail coordinated with left slider, be arranged on the left connecting axle of left slider side, the left connecting rod hinged with left connecting axle, with the left crank of left rod hinge connection, and described left slide rail is arranged in chair frame, the end face of described left crank and No. four belt pulleys is connected, described left leather belt wheel shaft is set with No. four belt pulleys, and between No. four belt pulleys and No. three belt pulleys, the second belt is installed, right side upper limb healing mechanism comprises No. five belt pulleys being sleeved on power transmission shaft right-hand member, be arranged on the right hand and hold up right slide block below plate, the right slide rail coordinated with right slide block, be arranged on the right connecting axle of right slide block side, the right connecting rod hinged with right connecting axle, the right crank hinged with right connecting rod, and described right slide rail is arranged in chair frame, the end face of described right crank and No. six belt pulleys is connected, described right leather belt wheel shaft is set with No. six belt pulleys, and between No. six belt pulleys and No. five belt pulleys, the 3rd belt is installed,

Described lower limb rehabilitation mechanism comprises No. seven belt pulleys being sleeved on described power transmission shaft centre position, be arranged on the bent axle between two pedal installing racks, be sleeved on No. eight belt pulleys in bent axle centre position, be arranged on the 4th belt between No. seven belt pulleys and No. eight belt pulleys, the Vehicular left pedal connecting axle be connected with the two ends of bent axle respectively and right steps connecting axle, the end of Vehicular left pedal connecting axle and right steps connecting axle is also connected to left connecting rod and right connecting rod, the end of left connecting rod and right connecting rod is connected with the left rotary shaft be arranged on two pedal installing racks and right spindle respectively, left rotary shaft and be provided with bearing between right spindle and two pedal installing racks, the both sides of described Vehicular left pedal are also respectively arranged with left chute, Vehicular left pedal slide block is separately installed with in left chute, and described Vehicular left pedal slide block set is contained on Vehicular left pedal connecting axle, Vehicular left pedal rides on Vehicular left pedal connecting axle, the both sides of described right steps are also respectively arranged with right rail, right steps slide block is separately installed with in right rail, and described right steps slide block set is contained on right steps connecting axle, right steps rides on right steps connecting axle.

2. a kind of upper and lower extremities recovery chair according to claim 1, is characterized in that: described two hand steered plates are also respectively arranged with handle.