CN104352337B - A kind of Portable electric control scapulohumeral periarthritis prevention convalescence device - Google Patents

Abstract

A portable electromechanical control device for the prevention and rehabilitation of frozen shoulder, comprising a motion actuator, a transmission mechanism and a box body. The output power of the motor is controlled by a single-chip microcomputer, and the motion actuator is reciprocated up and down through the transmission mechanism to achieve the effect of prevention and rehabilitation of frozen shoulder. The wide elastic band of the motion actuator ensures the stability and comfort of the mechanism and the arm. The device can be placed on the armrest of an ordinary chair to work, and the motion actuator can be folded and placed on the box body. It is easy to operate, small and portable, easy to use, and suitable for use in different places.

Description

A portable electromechanical control device for the prevention and rehabilitation of frozen shoulder

technical field

The invention relates to the field of medical and health care equipment, in particular to a portable electromechanical control device for the prevention and rehabilitation of frozen shoulder.

Background technique

Frozen shoulder is a common disease that seriously affects the normal life of patients. At present, frozen shoulder is mainly treated conservatively. Oral anti-inflammatory analgesics, physical therapy, partial closure of pain points, massage and massage, etc., conventional treatment methods can only be implemented by professionals, which increases the cost of treatment and limits the range of activities of patients. At the same time, using gymnastics sticks, dumbbells, rings and other sports equipment for shoulder joint exercise can also relieve pain, but such methods usually take up a lot of time and are relatively labor-intensive, consuming a certain amount of time, energy, and physical strength of the patient. Based on this, there is an urgent need for a medical and health care device that can allow frozen shoulder patients and high-incidence groups without the disease to enjoy comfort, convenience, low cost, time-saving and labor-saving, and good results.

Contents of the invention

The technical problem to be solved by the present invention is to provide a portable electromechanical control device for the prevention and rehabilitation of frozen shoulder, which replaces manual application of force by electromechanical control to assist the user to complete the action of preventing and treating frozen shoulder, and is easy to carry and use, regardless of the time of use. and location constraints. It can be used indoors for leisure and work, and can also be used outdoors. The work of the device is controlled by a single-chip microcomputer, and the user does not need to spend extra time, energy and physical energy to pay attention to the process of treatment and health care.

In order to solve the above-mentioned technical problems, the present invention adopts the following technical solutions: a portable electromechanical control device for the prevention and rehabilitation of frozen shoulder, including a motion actuator, a transmission mechanism and a box body mechanism. The specific structure and connection method are:

The motion actuator includes a first living hinge, an active arm support, a first elastic band, a second living hinge, a driven arm support, a second elastic band and a slideway, and the active arm support is connected to the box body through the first living hinge. Connection, the slideway is matched with the top column of the transmission mechanism; the first elastic band is fixed on both sides of the active arm support; the driven arm support is connected with the active arm support through the second living hinge; the second elastic band is fixed on both sides of the driven arm support;

The transmission mechanism includes a single-chip microcomputer, a motor, a motor shaft, a first direction-changing bevel gear, a second direction-changing bevel gear, a transmission shaft, a first bearing seat, a transmission gear, a reduction gear, a spline shaft, a second bearing seat, Cam, top column and positioning hole, the first bevel gear is interference fit with the motor shaft, and meshes with the second bevel gear; the transmission shaft is interference fit with the first bearing seat, and one end of the transmission shaft is in contact with the second The direction changing bevel gear is keyed, and the other end is keyed with the transmission gear; the reduction gear meshes with the transmission gear; the spline shaft is in interference fit with the second bearing seat, one end of the spline shaft is splined with the reduction gear, and the other end is connected with the cam spline key connection; the positioning hole is on the box body, the top column passes through the positioning hole and cooperates with the cam; the motor is fixed on the motor frame; the single-chip microcomputer is fixed on the box body; the first bearing seat is fixed on the box body; the second bearing seat is fixed on the box body. The single-chip microcomputer is connected with the motor, the motor is controlled by the single-chip microcomputer, and the motor obtains power through the transmission mechanism, so that the device assists the user to complete the rehabilitation action.

The box body mechanism includes a box body and a motor frame, and the motor frame is welded on the box body.

The upper surface of the active arm support is a concave surface conforming to the upper arm of the human body, and the lower surface has a slideway.

The upper surface of the driven arm support is a concave surface conforming to the forearm of the human body.

The outstanding advantages of the present invention are:

1. Save the user's time, energy and physical strength and complete the prevention and treatment of frozen shoulder comfortably and relaxedly.

2. Humanized design, small size, easy to carry, use without time and place restrictions.

3. Use bevel gear meshing to change the power transmission direction, which saves space and reduces the volume of the device.

4. The working state of the motor is controlled by a single-chip microcomputer. The transmission gear and the reduction gear have different transmission ratios to achieve the function of deceleration and torque increase, so that the device can complete the specified action.

5. The cam is used to convert the rotation into the up and down reciprocating motion of the top column, so that the device can complete the work.

Description of drawings

Fig. 1 is a schematic structural view of the portable electromechanical control device for preventing and rehabilitating frozen shoulder according to the present invention.

Fig. 2 is a schematic structural diagram of the transmission mechanism of the portable electromechanical control device for the prevention and rehabilitation of frozen shoulder according to the present invention.

Fig. 3 is a schematic diagram of the lower surface of the active arm support of the portable electromechanical control device for preventing and rehabilitating frozen shoulder according to the present invention.

Labeled in the figure:

1 single chip microcomputer, 2 motor, 3 motor shaft, 4 the first direction changing bevel gear, 5 the second direction changing bevel gear, 6 transmission shaft, 7 transmission gear, 9 spline shaft, 10 cam, 11 top column, 12 active arm support , 13 driven arm support, 14 box body, 15 motor frame, 16 first bearing seat, 17 second bearing seat, 19 second living hinge, 20 first living hinge, 21 first elastic band, 22 second elastic band, 23 Reduction gear, 24 slideways.

detailed description

The technical solutions of the present invention will be further described below through the accompanying drawings and embodiments.

The portable electromechanical control device for preventing and rehabilitating frozen shoulder of the present invention includes a motion actuator, a transmission mechanism and a box mechanism. Its structure and connection relationship are as follows:

The motion actuator includes a first living hinge 20 , an active arm support 12 , a first elastic band 21 , a second living hinge 19 , a driven arm support 13 , a second elastic band 22 and a slideway 24 . The upper surface of the active arm support 12 is a concave surface matching the human arm, and the lower surface has a slideway 24. The active arm support 12 is connected with the box body 14 through the first living hinge 20, and the slideway 24 cooperates with the top post 11 of the transmission mechanism. The first elastic band 21 is fixed on both sides of the active arm support 12; the upper surface of the driven arm support 13 is a concave surface matching the forearm of the human body, and is connected with the active arm support 12 by the second living hinge 19; the second elastic band 22 is large enough to be fixed On the driven arm rest 13 both sides.

The transmission mechanism includes a single-chip microcomputer, a motor, a motor shaft 3, the first bevel gear 4, the second bevel gear 5, the transmission shaft 6, the first bearing seat 16, the transmission gear 7, the reduction gear 23, the spline Shaft 9, second bearing seat 17, cam 10, push post 11 and positioning hole. The first direction-changing bevel gear 4 is in interference fit with the motor shaft 3, and meshes with the second direction-changing bevel gear 5; the transmission shaft 6 is in interference fit with the first bearing seat 16, and one end of the transmission shaft 6 is in contact with the second direction-changing bevel gear. The bevel gear is connected with 5 keys, and the other end is connected with the transmission gear 7; the reduction gear 23 is meshed with the transmission gear 7; the spline shaft 9 is in interference fit with the second bearing seat 17, and one end of the spline shaft 9 is splined with the reduction gear 23 , the other end is spline connected with the cam 10; the positioning hole is on the box body 14, the top column 11 passes through the positioning hole and cooperates with the cam 10; the motor 2 is fixed on the motor frame 15; the single-chip microcomputer 1 is fixed on the box body 14; A bearing seat 16 is fixed on the box body 14 ; a second bearing seat 17 is fixed on the box body 14 .

The box body mechanism includes a box body 14 and a motor frame 15 . The motor frame 15 is welded on the box body 14 .

working principle:

The portable electromechanical control device for the prevention and rehabilitation of frozen shoulder of the present invention adopts electromechanical control and is easy to operate. The motor is controlled by a single-chip microcomputer, and the actuator is powered through the transmission mechanism, so that the device assists the user to complete the rehabilitation action. The direction-changing bevel gear set changes the direction of power transmission, saves space, reduces the volume of the device, and makes it more compact and easy to carry and use. The cooperation of the transmission gear and the reduction gear reduces the rotating speed and increases the torque at the same time, which ensures the operation of the mechanism. The use of the cam mechanism turns the rotation into an up and down reciprocating motion, and the rational design of the cam outline ensures the comfort of the user and the therapeutic effect of the user. When in use, just place the device on the armrest of an ordinary seat, fix the big arm on the active arm support through the first elastic band, and fix the small arm on the driven arm support through the second elastic band, and then it can be used. The device will automatically complete 30 actions in ten minutes, without the need for the user to invest time and energy. It is easy to operate, saves time and effort, and is easy to carry, and the use is not limited by time and place.

Claims (3)

1. a Portable electric control scapulohumeral periarthritis prevention convalescence device, including movement executing mechanism, drive mechanism and box body mechanism, it is characterised in that

Described movement executing mechanism includes the first hinges, actively arm support, the first elastic cord, the second hinges, driven arm support, the second elastic cord and slideway, described active arm support is connected with box body by the first hinges, and slideway coordinates with the fore-set of drive mechanism; First elastic cord is fixed on actively arm support both sides; Driven arm support is connected with actively arm support by the second hinges; Second elastic cord is fixed on driven arm support both sides;

Described drive mechanism includes single-chip microcomputer, motor, motor shaft, the first break-in bevel gear, the second break-in bevel gear, power transmission shaft, clutch shaft bearing seat, travelling gear, reduction gearing, splined shaft, the second bearing block, cam, fore-set and hole, location, described first break-in bevel gear and motor shaft interference fit, engage with the second break-in bevel gear again; Power transmission shaft and clutch shaft bearing seat interference fit, power transmission shaft one end is connected with the second break-in bevel gear key, and the other end is connected with travelling gear key; Reduction gearing engages with travelling gear; Splined shaft and the second bearing block interference fit, splined shaft one end is connected with reduction gearing spline, and the other end is connected with cam spline; Hole, location is located on box body, and fore-set is through positioning Kong Bingyu cam engagement; Motor is fixed on motor rack; Single-chip microcomputer is fixed on box body; Clutch shaft bearing seat is fixed on box body; Second bearing block is fixed on box body, and single-chip microcomputer is connected with motor, is worked by Single-chip Controlling motor, and motor makes actuator obtain power by drive mechanism, it is achieved device auxiliary user completes rehabilitation action,

Described box body mechanism includes box body and motor rack, and described motor rack is welded on box body.

2. Portable electric control scapulohumeral periarthritis according to claim 1 prevention convalescence device, it is characterised in that described active arm support upper surface is the concave surface of coincided with human body large arm, and lower surface has slideway.

3. Portable electric control scapulohumeral periarthritis according to claim 1 prevention convalescence device, it is characterised in that described driven arm support upper surface is the concave surface of coincided with human body forearm.