阅读说明：本技术 手腕俯垂状态的搅拌动作训练器 (Stirring action trainer in wrist pronating state ) 是由 张裴景 冯晓东 刘承梅 郭健 张朝阳 王莉娜 于 2019-11-19 设计创作，主要内容包括：本发明涉及一种手腕俯垂状态的搅拌动作训练器,训练器的手部搅拌动作约束装置能够对患者的手臂固定和支撑,让患者的手俯垂到支撑板的内端,支撑板内端下方的约束手套用来穿戴到患者的手上进行约束并牵引手部进行搅拌动作；牵引装置滑动设置在筒形支座内的下端,通过驱动电机驱动转盘转动来牵引上方的约束手套进行搅拌动作,牵引绳能够拉动约束手套以手腕为中心沿着锥形面做连续搅拌动作,从而对患者的手进行康复训练；本发明能够有效的对患者的手部进行约束,并且实现自动化的康复训练动作,不需要额外人员的帮助,康复训练效果好,提高了患者的康复进程。(The invention relates to a stirring action trainer in a wrist pronating state, wherein a hand stirring action restraining device of the trainer can fix and support the arm of a patient, so that the hand of the patient can be pronated to the inner end of a supporting plate, and a restraining glove below the inner end of the supporting plate is used for being worn on the hand of the patient to restrain and drawing the hand to perform stirring action; the traction device is arranged at the lower end in the cylindrical support in a sliding manner, the drive motor drives the rotary table to rotate so as to draw the restraint gloves above the support to perform stirring action, and the traction rope can pull the restraint gloves to perform continuous stirring action along the conical surface by taking the wrist as the center, so that the hands of the patient are subjected to rehabilitation training; the invention can effectively restrain the hands of the patient, realizes automatic rehabilitation training action without the help of extra personnel, has good rehabilitation training effect and improves the rehabilitation process of the patient.)

1. The utility model provides a stirring action training ware of wrist state of diving which characterized in that: the trainer comprises a hand stirring action restraining device, a traction device and a cylindrical support;

a square reinforcing plate is vertically arranged on the outer side surface of the cylindrical support, the upper end surface of the reinforcing plate is flush with the upper end surface of the cylindrical support, two symmetrical hinge lugs are arranged on two sides of the upper end surface of the reinforcing plate, and four vertical square slide rails are uniformly distributed on the inner side surface of the lower part of the cylindrical support;

the hand stirring action restraint device comprises a hand restraint traction mechanism arranged at the upper end inside the cylindrical support and an arm support plate arranged at the edge of the upper port of the cylindrical support, wherein two symmetrical transverse shafts are arranged at two sides in the middle of the arm support plate and are inserted into the two hinge lugs in a matching manner to hinge the arm support plate and the reinforcing plate; the hand restraint traction mechanism comprises restraint gloves and a traction rope connected with the restraint gloves, the restraint gloves are vertically placed in the middle of the inside of the cylindrical support, the upper ends of the restraint gloves are close to the inner end of the upper arm support plate, thread-through sheaths are arranged at the top ends of all finger sleeves of the restraint gloves, one ends of the traction ropes are provided with threading rings, the threading rings are located at the lower ends of the restraint gloves, the other ends of the threading rings sequentially penetrate through the five thread-through sheaths and penetrate out of the threading rings at the lower ends, the end parts of the traction ropes, penetrating out of the threading rings, are connected with tension springs, and; a circle of threading sleeves B are arranged on the outer sides of glove openings of the restraining gloves, and a binding rope for tightening the glove openings is penetrated into each threading sleeve B;

the traction device comprises a motor base, a driving motor vertically fixed in the center of the motor base and a turntable coaxially fixed on a motor shaft;

the motor base is arranged at the lower end in the cylindrical support and comprises a disc-shaped bottom plate and four sliding support blocks uniformly distributed at the bottom edge of the circular bottom plate, the diameter of the disc-shaped bottom plate is matched with the inner diameter of the cylindrical support, the outer side surfaces of the sliding support blocks are coplanar with the side surface of the circular bottom plate, square sliding grooves matched with the square sliding rails are formed in the coplanar side surfaces of the sliding support blocks and the circular bottom plate, the square sliding grooves are connected with the square sliding rails to enable the motor base to be connected in the cylindrical support in a sliding mode, a threaded hole is formed in the middle of each square sliding groove, and a positioning bolt;

the upper surface of the rotary table is provided with a stirring amplitude adjusting mechanism, the stirring amplitude adjusting mechanism comprises a T-shaped groove which is formed in the center of the upper surface of the rotary table outwards along the radial direction and penetrates through the side surface of the rotary table, and a T-shaped bolt arranged in the T-shaped groove, a square block at the lower end of the T-shaped bolt is matched and arranged in the T-shaped groove to form a sliding pair, the T-shaped bolt upwards penetrates through a notch of the T-shaped groove, and a screw of the T-shaped bolt is provided with a hand-screwed nut for locking;

the upper end of the T-shaped bolt is provided with a rotatable hook device which is hooked with the hook at the outer end of the tension spring.

2. A wrist-pronating mixer action trainer according to claim 1, wherein: and the inner side surface of the cylindrical support and the position corresponding to the reinforcing plate are provided with limiting plates, and the upper end surfaces of the limiting plates and the lower surface of the hinged arm supporting plate in a horizontal state are coplanar.

3. A wrist-pronating mixer action trainer according to claim 2, wherein: the width of the arm supporting plate is matched with the distance between the two hinge lugs, and a supporting inclined plane is cut on the end face of the reinforcing plate between the two hinge lugs.

4. A wrist-pronating mixer action trainer according to claim 1, wherein: the arm supporting plate is provided with an arm fixing assembly, the arm fixing assembly comprises two pairs of square holes and two binding bands, the two pairs of square holes are formed in the two ends of the arm supporting plate, each pair of square holes are symmetrically formed in the two sides of the arm supporting plate, and the binding bands penetrate through the square holes in the two sides to form a tightening structure.

5. A wrist-pronating mixer action trainer according to claim 1, wherein: the rotatable hook device comprises a spherical seat and a rotatable hook which are connected with the upper end of the T-shaped bolt, the bottom surface of the spherical seat is upwards provided with a cylindrical cavity, the lower section of the cylindrical cavity is fixedly sleeved at the upper end of the T-shaped bolt, and the top end of the spherical seat is provided with a through hole communicated with the cylindrical cavity; the rotary hook comprises a middle vertical rod, a hook body connected with the upper end of the vertical rod and a ball connected with the lower end of the vertical rod, the ball is arranged at the upper section of the cylindrical cavity in a matching manner, the vertical rod upwards penetrates through a through hole of the spherical seat, and the hook body is connected with the hook at the outer end of the tension spring in a hanging manner.

6. A wrist-pronating mixer action trainer according to claim 5, wherein: the montant be cylindricality pole, the upper port department and the lower port department of through-hole all are equipped with the fillet, the diameter of montant is less than the diameter of through-hole, the diameter of ball is greater than the diameter of through-hole.

7. A wrist-pronating mixer action trainer according to claim 1, wherein: the diameter of the rotating disc is smaller than the inner diameter of the cylindrical support, and the height of the cylindrical support is larger than twice of the height of the motor support after the motor support is connected with the motor.

8. A wrist-pronating mixer action trainer according to claim 1, wherein: the lower terminal surface of the outer end of arm backup pad articulates there is the articulated bracing piece, is fixed with the dead baffle of lock that stretches out its lower terminal surface on the lateral surface of this articulated bracing piece lower extreme, and the upper end of square reinforcing plate is equipped with down articulated bracing piece, and the upper end of this lower articulated bracing piece is articulated with the lower extreme of last articulated bracing piece, goes up the articulated bracing piece and all is equipped with the arc rotating surface with the terminal surface outside that handing-over bracing piece corresponds down, the dead baffle of lock corresponds with the lateral surface position of articulated bracing piece upper end down.

Technical Field

The invention relates to the technical field of limb rehabilitation instruments, in particular to a stirring action trainer in a wrist pronating state.

Background

Stroke disease, called cerebrovascular disease in modern medicine, is a common disease and frequently encountered disease of the nervous system, has high mortality rate which accounts for about 10 percent of all deaths of diseases, and is one of three diseases seriously harming human health at present; with the improvement of modern medicine on the diagnosis and rescue level of apoplexy, the mortality of stroke patients is greatly reduced at present, but the disability rate is obviously increased, and about 75 percent of stroke patients can leave sequelae with different degrees, such as hemiplegia, language disorder, limb pain and the like, in the later period of disease, and the incidence rate of hemiplegia is the highest.

In the rehabilitation of hemiplegia, the rehabilitation of the hand function is the most difficult, and the hand of the patient often forms a bent and bent half-fist posture due to muscle spasm in the later stage, so the life and the work of the patient are seriously influenced, and the rehabilitation of the hand function is always the problem which needs to be solved by the patient most and is also the problem which is difficult to be solved by the patient with stroke; at present, although a lot of auxiliary training appliances for limb dysfunction of a patient with stroke sequelae are available in the market of China, the rehabilitation training device for hands is still in the research and development stage, the hands of the patient basically hold a rigid mechanical link mechanism, and the fingers and wrists of the patient are moved by the rotation or movement of the link mechanism so as to recover the muscle function of the hands;

however, since the hand of the patient is in a spastic state with a bent and prolapsed top, and the patient lacks an autonomous holding force, the user is difficult to autonomously hold and tighten the handle of the link mechanism for continuous training, and the training can be completed with the help of the rehabilitation personnel, so that the rehabilitation training process of the patient is slow, and the effect is not good, and therefore, the trainer which can effectively restrain the spastic hand from swinging and has a high automation degree is needed to be designed to solve the problems.

Disclosure of Invention

In order to solve the above problems, the present invention provides a mixing motion training device in a wrist-down state.

The technical scheme of the invention is as follows: the utility model provides a stirring action training ware of wrist state of diving which characterized in that: the trainer comprises a hand stirring action restraining device, a traction device and a cylindrical support;

a square reinforcing plate is vertically arranged on the outer side surface of the cylindrical support, the upper end surface of the reinforcing plate is flush with the upper end surface of the cylindrical support, two symmetrical hinge lugs are arranged on two sides of the upper end surface of the reinforcing plate, and four vertical square slide rails are uniformly distributed on the inner side surface of the lower part of the cylindrical support;

the hand stirring action restraint device comprises a hand restraint traction mechanism arranged at the upper end inside the cylindrical support and an arm support plate arranged at the edge of the upper port of the cylindrical support, wherein two symmetrical transverse shafts are arranged at two sides in the middle of the arm support plate and are inserted into the two hinge lugs in a matching manner to hinge the arm support plate and the reinforcing plate; the hand restraint traction mechanism comprises restraint gloves and a traction rope connected with the restraint gloves, the restraint gloves are vertically placed in the middle of the inside of the cylindrical support, the upper ends of the restraint gloves are close to the inner end of the upper arm support plate, thread-through sheaths are arranged at the top ends of all finger sleeves of the restraint gloves, one ends of the traction ropes are provided with threading rings, the threading rings are located at the lower ends of the restraint gloves, the other ends of the threading rings sequentially penetrate through the five thread-through sheaths and penetrate out of the threading rings at the lower ends, the end parts of the traction ropes, penetrating out of the threading rings, are connected with tension springs, and; a circle of threading sleeves B are arranged on the outer sides of glove openings of the restraining gloves, and a binding rope for tightening the glove openings is penetrated into each threading sleeve B;

the traction device comprises a motor base, a driving motor vertically fixed in the center of the motor base and a turntable coaxially fixed on a motor shaft;

the motor base is arranged at the lower end in the cylindrical support and comprises a disc-shaped bottom plate and four sliding support blocks uniformly distributed at the bottom edge of the circular bottom plate, the diameter of the disc-shaped bottom plate is matched with the inner diameter of the cylindrical support, the outer side surfaces of the sliding support blocks are coplanar with the side surface of the circular bottom plate, square sliding grooves matched with the square sliding rails are formed in the coplanar side surfaces of the sliding support blocks and the circular bottom plate, the square sliding grooves are connected with the square sliding rails to enable the motor base to be connected in the cylindrical support in a sliding mode, a threaded hole is formed in the middle of each square sliding groove, and a positioning bolt;

the upper surface of the rotary table is provided with a stirring amplitude adjusting mechanism, the stirring amplitude adjusting mechanism comprises a T-shaped groove which is formed in the center of the upper surface of the rotary table outwards along the radial direction and penetrates through the side surface of the rotary table, and a T-shaped bolt arranged in the T-shaped groove, a square block at the lower end of the T-shaped bolt is matched and arranged in the T-shaped groove to form a sliding pair, the T-shaped bolt upwards penetrates through a notch of the T-shaped groove, and a screw of the T-shaped bolt is provided with a hand-screwed nut for locking;

the upper end of the T-shaped bolt is provided with a rotatable hook device which is hooked with the hook at the outer end of the tension spring.

Preferably, the inner side surface of the cylindrical support and the position corresponding to the reinforcing plate are provided with a limiting plate, and the upper end surface of the limiting plate is coplanar with the horizontal lower surface of the hinged arm supporting plate.

Preferably, the width of the arm supporting plate is matched with the distance between the two hinge lugs, and a supporting inclined plane is cut on the end face of the reinforcing plate between the two hinge lugs.

Preferably, the arm supporting plate is provided with an arm fixing component, the arm fixing component comprises two pairs of square holes and two binding bands, the two pairs of square holes are formed in the two ends of the arm supporting plate, each pair of square holes are symmetrically formed in the two sides of the arm supporting plate, and the binding bands penetrate through the two sides of the square holes to form a tightening structure.

Preferably, the rotatable hook device comprises a spherical seat and a rotatable hook which are connected with the upper end of the T-shaped bolt, the bottom surface of the spherical seat is upwards provided with a cylindrical cavity, the lower section of the cylindrical cavity is fixedly sleeved at the upper end of the T-shaped bolt, and the top end of the spherical seat is provided with a through hole communicated with the cylindrical cavity; the rotary hook comprises a middle vertical rod, a hook body connected with the upper end of the vertical rod and a ball connected with the lower end of the vertical rod, the ball is arranged at the upper section of the cylindrical cavity in a matching manner, the vertical rod upwards penetrates through a through hole of the spherical seat, and the hook body is connected with the hook at the outer end of the tension spring in a hanging manner.

Preferably, the montant be the cylindricality pole, the upper port department and the lower port department of through-hole all are equipped with the fillet, the diameter of montant is less than the diameter of through-hole, the diameter of ball is greater than the diameter of through-hole.

Preferably, the diameter of the rotating disc is smaller than the inner diameter of the cylindrical support, and the height of the cylindrical support is larger than twice of the height of the motor support after the motor support and the motor are connected.

Preferably, the lower terminal surface of the outer end of arm backup pad articulates there is last articulated bracing piece, is fixed with the dead baffle of lock that stretches out its lower terminal surface on the lateral surface of this articulated bracing piece lower extreme, and the upper end of square reinforcing plate is equipped with down articulated bracing piece, and the upper end of this lower articulated bracing piece is articulated with the lower extreme of last articulated bracing piece, goes up the articulated bracing piece and all is equipped with the arc rotating surface with the terminal surface outside that handing-over bracing piece corresponds down, the dead baffle of lock corresponds with the lateral surface position of articulated bracing piece upper end down.

The beneficial technical effects of the invention are as follows: the upper end in the cylindrical support is provided with the hand stirring action restraining device, an arm supporting plate of the hand stirring action restraining device can fix and support the forearm of a patient, the hand of the patient is enabled to hang down to the inner end of the supporting plate, a restraining glove below the inner end of the supporting plate is used for being worn on the hand of the patient to be restrained, then the finger is stretched downwards through a traction rope at the lower end of the restraining glove and the hand is pulled to perform stirring action, and meanwhile, the traction rope can also tighten the finger sleeve to play a role in tightening and closing the finger;

the traction device is arranged at the lower end in the cylindrical support in a sliding manner, the driving motor drives the rotary table to rotate to pull the restraint gloves above to perform stirring action, the hook device is arranged at the upper end of the T-shaped screw on the upper surface of the rotary table, the rotary hook of the hook device is hooked with the hook of the traction rope, the ball at the lower end of the rotary hook and the cylindrical cavity in the spherical seat form a spherical pair which can rotate 360 degrees in the spherical seat, so that when the rotary table rotates to pull the traction rope to rotate, the traction rope can rotate relative to the T-shaped screw to avoid the phenomenon of twisting force, and the traction rope can pull the restraint gloves to perform continuous stirring action along the conical surface by taking the wrist as the center, so as to perform rehabilitation training on;

in addition, a T-shaped groove is formed in the upper surface of the rotary table, and the T-shaped screw moves in the T-shaped groove along the radial direction to adjust the circumferential motion of the T-shaped screw, so that the rotary stirring amplitude of the upper constraint glove is adjusted; when the T-shaped screw rod is adjusted, the spring at the end part of the traction rope can stretch out and draw back along with the T-shaped screw rod, the traction rope is always in a tensioning state, and the traction effect on the restraint glove is guaranteed.

The invention can effectively restrain the hands of the patient, realizes automatic rehabilitation training action without the help of extra personnel, has good rehabilitation training effect and improves the rehabilitation process of the patient.

Drawings

FIG. 1 is a schematic perspective view of the present invention showing the inside of a cylinder wall with one side cut away;

FIG. 2 is an enlarged view of a portion of FIG. 1;

FIG. 3 is a perspective view of the hand restraint traction mechanism of the present invention;

FIG. 4 is an enlarged view at A of FIG. 3;

FIG. 5 is an enlarged view at B of FIG. 3;

FIG. 6 is a schematic perspective view of the draft gear of the present invention with the cylindrical support removed;

FIG. 7 is a schematic view of the connection of the T-bolt, rotatable hook assembly and hand nut of the present invention;

FIG. 8 is a schematic cross-sectional view of the draft gear of the present invention;

fig. 9 is a partial enlarged view of fig. 8;

FIG. 10 is a schematic cross-sectional view of FIG. 8;

FIG. 11 is a perspective view of a cylindrical holder according to the present invention;

FIG. 12 is a schematic view of the arm support plate of the present invention;

FIG. 13 is a schematic view showing the state of the arm support plate and the hinge support rod according to the present invention;

FIG. 14 is a second view of the arm support plate and the hinge support rod according to the present invention;

fig. 15 is a partially enlarged view of fig. 14.

In the figure, 1, a hand stirring action restraining device, 11, a hand restraining traction mechanism, 111, restraining gloves, 1111, a threading sheath A, 1112, a threading sheath B, 112, a traction rope, 1121, a threading ring, 1122, a tension spring, 1123, a hook, 12, an arm supporting plate, 121, a transverse shaft, 122, a square hole, 123, a binding band, 13, a binding rope, 2, a traction device, 21, a motor base, 211, a disc-shaped bottom plate, 212, a sliding supporting block, 2121, a square sliding groove, 2122, a threaded hole, 213, a positioning bolt, 22, a driving motor, 221, a motor shaft, 23, a rotating disc, 231, a T-shaped groove, 24, a T-shaped bolt, 241, a square block, 25, a rotatable hook device, 251, a spherical seat, 2511, a cylindrical cavity, 2512, a through hole, 2513, a round angle, 252, a rotating hook, 2521, a hook body, 2522, a vertical rod, 2523, 26, a manual nut, 3 and a cylindrical reinforcing plate, 311. Hinge lug, 312 supporting inclined plane, 32 square

The device comprises a slide rail, 33 parts of a limiting plate, 41 parts of an upper hinged support plate, 42 parts of a lower hinged support plate, 43 parts of a locking baffle plate and 44 parts of an arc-shaped rotating surface.

Detailed Description