CN1067807A

CN1067807A - Legs recovery unit

Info

Publication number: CN1067807A
Application number: CN 91104244
Authority: CN
Inventors: 陈磊
Original assignee: Individual
Current assignee: Individual
Priority date: 1991-06-20
Filing date: 1991-06-20
Publication date: 1993-01-13

Abstract

Legs recovery unit of the present invention is made up of motor, reducing gear, housing, rocking arm, calf plate and pedal plate.The using time body is placed between two lower limbs, and shank is fixed on two calf plates, and during motor energising work, rocking arm is made circular motion, and pedal plate is swung, and makes patient's hip, knee joint, ankle joint obtain abundant exercise.The present invention is simple in structure, volume is little, can spread to family uses, and patient can move in bed or on the chair; The works such as patient, limb adynamia person, old man that are suitable for paralysing recover physical ability or health and fitness facilities, also are fit to the athlete and do the relaxation exercise use.

Description

Legs recovery unit

The present invention relates to a kind of legs recovery unit tool, particularly a kind of passive exercise rehabilitation appliances.

All kinds of paralysed patients are because part limbs complete (or part) have lost paleocinetic ability, have influence on the benign cycle of blood and the motility in joint, cause amyotrophy, also can cause simultaneously the formation of the progressively decline of viscera function and decubital ulcer, thrombosis, also totally unfavorable for the raising of neural recovery and muscle strength.For this reason, paralysed patient often need help in the nation of extraneous strength and do suitable passive exercise down.Because it is big that artificial assistance is done the passive exercise amount of labour, efficient is low, and people have designed the various allokinetic rehabilitation exercise apparatuses of realizing.A kind of " preventing thrombosis form apparatus and method " disclosed as Chinese patent CN87106548, the naked joint that this device can only movable patient, movable position is few, and applicable surface is narrow.Chinese patent CN88220686.9 is about a kind of " lower limb multifunctional recovery care stand ", and this device can make patient make the integrated motion in hip, knee joint, ankle three big joints, and function is complete, but its complex structure, the cost height is unfavorable for promoting the use of.

The object of the present invention is to provide a kind of simple in structure, sufficient legs recovery unit moves.

The present invention as shown in the figure, form by actuating unit, housing (3), rocking arm (4), transverse axis (5), calf plate (6), wherein actuating unit is arranged in the housing (3), its output shaft stretches out housing (3) side; rocking arm (4) upper end is fixed on the output shaft; the lower end is fixed with transverse axis (5), and transverse axis (5) is hinged on the about position intermediate in calf plate (6) bottom.During use, locomotorium is placed between patient's two lower limbs, shank is separately fixed on the left and right sides calf plate (6), and patient gets the lie position or the position of partly lying; Connect with the mains, open switch, rocking arm (4) is made circular motion under the drive of actuating unit, thereby affects patient's lower limb to make circular motion, makes patient's hip, knee joint obtain abundant exercise, reaches the purpose of rehabilitation.Because between calf plate (6) and the transverse axis (5) is hinged, calf plate (6) is also swung around transverse axis (5) with the angle of patient's shank bending when making circular motion with rocking arm, thereby the possibility of avoiding dampening patient realizes safety movement.

Above-mentioned actuating unit generally comprises motor (1) and reducing gear (2).In order to reduce the width of body, motor (1) edge in housing (3) is long to installation, reducing gear (2) generally selects for use big, the main driven axles of a class gear ratio such as screw rod one Worm gear mechanism, oblique gear mechanism to become 90 ° deceleration device, so that output shaft stretches out from housing (3) both sides.Motor (1) can select for use buncher or circuit for controlling motor to be provided with alignment circuit, for suitable oneself the movement velocity of patient selection.The control circuit of motor is provided with and starts button, a few retaining speed button, and each button is arranged on the top panel of housing (3).For making things convenient for patient to use, control circuit also leads to the hand-held starting switch that can take, and patient presses starting switch on housing (3) panel, choose speed threshold after, open hand-held starting switch again, motor is just started working.

Above-mentioned rocking arm (4) is equipped with multiple mode on the actuating unit output shaft, as shown be two rocking arms (4) lower end towards on the contrary, and this structure can make patient's two lower limbs be similar to the circular motion that interlaces of stepping on bicycle, and coordination feels comfortable.In addition because two lower limbs position opposite at the volley, be in the auxiliary power of the ascending motion that the lower limb in the decline process can become another lower limb by conducting oneself with dignity, thereby can save electric energy.Two rocking arms (4) also can be mounted to the lower end towards identical, and this structure patient's two lower limbs are made synchronous circular motion, and required drive is bigger.

Disorderly damage when swing and unloaded test-run a machine when unloaded for fear of calf plate (4); a straight-bar (10) is extended in calf plate (6) rear end; it is hinged that straight-bar (10) tail end and is hinged on the other end of connecting rod (11) of frame bottom; hinged straight-bar (10) and connecting rod (11) are similar to people's lower limb of being made up of thigh and shank; calf plate (6) is clocklike swung when unloaded test-run a machine; remain on a certain angle when not using, thereby play the effect of protection calf plate.When using, should unclamp the pin joint of straight-bar (10) and connecting rod (11) earlier, to drive the calf plate swing with shank as starting shooting.The also available extension spring of connecting rod (11) replaces.

The front end of calf plate (6) also can be provided with pedal plate (7), in order to support patient's foot.In order to expand motive position of the present invention, make patient's naked joint also obtain abundant activity, pedal plate (7) can be designed to swing type, specifically as shown in the figure, pedal plate (7) bottom is hinged on the front end of calf plate (6), have a fork (8) one ends be hinged on pedal plate (7) on the suitable point that pin joint has, the other end is hinged on the disk (9) or connecting rod of fixedlying connected with transverse axis (5), pin joint is in the edge of disk (9) or the end of connecting rod.The swing principle of this structure is as follows, when transverse axis (5) with rocking arm (4) when making circular motion, disk (9) or connecting rod are also made circular motion thereupon, thereby affect an end of fork (8) to make circular motion, swing before and after fork (8) other end forms is swung around pin joint thereby drive pedal plate (7).The pendulum angle of pedal plate (7) is by the diameter or the length of connecting rod decision of disk (9).

For the needs of some especial patient or specific use, can make the version that is provided with the motion of forming by rocking arm (4), transverse axis (5) and calf plate (6) in a side.

The present invention compared with prior art has the following advantages: 1. and simple in structure, cost is low, can spread to family and use; 2. volume is little, and is in light weight, and patient can be placed on bed exercise, also can be sitting in wheelchair, sofa, chair etc. and locate motion, random big, moves well, easy to store; 3. patient is similar to two lower limbs of the stepping on bicycle circular motion that interlaces, compare with the synchronous kneebend of existing two lower limbs, it more meets the motor habit of human body, coordination, it is comfortable that patient feels, and circular motion, and patient's hip, knee joint activity point of view are increased, activity is more abundant, reaches better movement effects; 4. the adjustment movement angle is convenient, only needs to adjust the far and near distance of body and health, the just motion amplitude of adjustable legs (being movement angle), and need not regulate any parts on the body; 5. the suitability is strong: because this device affects whole lower limb motion by shank, as long as the calf plate moderate length, the people that just can adapt to various height uses.The present invention be suitable for paralysing patient, limb adynamia person, old man uses, and also is suitable for the athlete and makes as relaxation exercise.

Fig. 1 is a side view of the present invention;

Fig. 2 is the A-A cutaway view.

Embodiment: Fig. 1,2 provides this illustration and shows, as shown in the figure, actuating unit comprises motor (1) and reducing gear (2), and reducing gear (2) adopts worm gear-endless screw mechanism, and it has bigger speed reducing ratio.In order to reduce the width of body as far as possible, motor (1) edge in housing (3) is long to installation, its main shaft drives worm screw (201), and worm screw (201) one end bearings are in bearing block (204), and bearing block (204) is fixed on the supporting station (301) of housing (3) base projections.Worm gear (202) is arranged on worm screw (201) top, and the output shaft (203) of worm gear (202) is fixed on the lateral supporting boss of housing (3) (302) by two bearing bracket (205).Overheated when worm gear-endless screw mechanism works, the below of worm screw (201) is provided with oil box (303), in hold organic oil, play cooling, lubricated effect.Two rocking arms (4) lower end is towards on the contrary, and transverse axis (5) is fixed on rocking arm (4) lower end, in the middle of calf plate (6) bottom partially the front position be provided with copper sheathing, transverse axis (5) is planted therebetween, an end has the nut pinning.Calf plate (6) is provided with protective baffle plate by fuselage one side, with in preventing shank the position being crossed thereon; Be covered with thicker sponge bed course on the calf plate (6) in addition.Calf plate (6) and pedal plate (7) both sides are provided with ligature or the nylon adherent buckle that is used for fixing shank.Pedal plate (7) is a swing type, and its pendulum angle is about 0～40 °, and the support (304) of housing (3) is bearing in suitable height with entire mechanism, but to be fit to the patient's recumbency or the use that is seated, avoids calf plate collision ground when swing again.This routine circuit for controlling motor is provided with pressure-regulating and speed-regulating circuit, and movement velocity is divided into third gear, is provided with to start key switch and hand held switch.Motor can forward and reversely rotate in addition, is provided with to select the forward and backward key switch, to increase the motion mode of lower limb, strengthens train on.

Claims

1, a kind of legs recovery unit, it is characterized in that forming by actuating unit, housing (3), rocking arm (4), transverse axis (5) and calf plate (6), wherein actuating unit is arranged in the housing (3), its output shaft stretches out housing (3) side; rocking arm (4) upper end is fixed on the output shaft; the lower end is fixed with transverse axis (5), and transverse axis (5) is hinged on the about position intermediate in calf plate (6) bottom.

2,, it is characterized in that actuating unit comprises motor (1) reducing gear (2) according to the locomotorium of claim 1.

3, according to the locomotorium of claim 4, edge length is to installation in housing to it is characterized in that described motor (1), and reducing gear (2) is worm gear-endless screw mechanism, oblique gear mechanism, and its output shaft stretches out the left and right sides of housing (1).

4, according to the locomotorium of claim 2 or 3, it is characterized in that the below of reducing gear is provided with oil box (303), in hold organic oil.

5, according to the locomotorium of claim 3, the rocking arm (4) that it is characterized in that the left and right sides is towards on the contrary.

6, according to the locomotorium of claim 3, the rocking arm (4) that it is characterized in that the left and right sides is towards identical.

7, according to the locomotorium of claim 1, it is characterized in that middle front position partially, calf plate (6) bottom is provided with horizontal copper sheathing, transverse axis (5) is planted therebetween.

8, according to the locomotorium of claim 1 or 2 or 3 or 5 or 6 or 7, it is characterized in that described calf plate (6) rear end is extended with a straight-bar (10), it is hinged that straight-bar (10) tail end and is hinged on the other end of connecting rod (11) of frame bottom.

9,, it is characterized in that described calf plate (6) front end is provided with pedal plate (7) according to the locomotorium of claim 1 or 2 or 3 or 4 or 5 or 7.

10, according to the locomotorium of claim 9, it is characterized in that the front end of described pedal plate (7) bottom-hinged in calf plate (6), fork (8) one ends be hinged on pedal plate (7) on the suitable point that pin joint has, the other end be hinged on the fixed disk of transverse axis (5) (9) or connecting rod on.