CN205094872U - Automatic chair that shifts of arm formula - Google Patents

Abstract

Automatic chair that shifts of arm formula, mainly by chair frame, balancing stand, hold up arm group, hold up arm elevating gear, hold up arm advancing device and control system to constitute. The chair frame comprises foot bar, lift post, foot rest, pushing hands, horizontal piece, fender fence, ahead frame, back frame, push rod, wheel carrier. Lean against with the foot lean on the structure the same symmetrical hinge at the seat frame both ends. Removing the wheel carrier regulation and holding up a focus, the balancing stand makes holds up the bed not heel. Hold up arm elevating gear below holding up a bed surface, make and hold up a bed surface to level and regular edge. Hold up the arm to install in the second grade slide, prolonged to hold up and lifted length. The people transfers to the armchair from the bed, becomes the armchair and holds up bed and bed to draw close. Respectively hold up two of arm group hold up the arm inject in turn people and bed the gap, rise lift human motionless, descend, go forward, up to holding up below the arm inserts the people. The people is lifted to holds up the bed. When the people transfers to the bed, hold up the arm to organize and lift the human bed side that arrives, respectively hold up two of arm group to hold up the arm to descend, retreat in turn, put in bed up to the people. Make people's automatic transfer between bed and armchair.

Description

Arm type shifts chair automatically

Technical field

This utility model relates to a kind of seat, and particularly arm type shifts chair automatically.

Background technology

Existing seat, for the people that can move, can take chair voluntarily or leave chair, can be seated reading, pushes outdoor activities voluntarily or by people.But for obtaining the people of disease, losing the people of the ability of moving, sit for a moment on chair, just must one to two people assist in.Especially the people of body weight, held up seat by a nurse or family female nursing staff from sick bed and hold up from seat and go to bed, require great effort all very much, patient also feels inconvenient.Have a kind of arm type to shift chair, number of patent application: 2015104734780 is the arms copying people, and design two machineries are held up arm to form one and held up arm group side by side.An arm holding up arm group to be equivalent to people.Hold up arm group be arranged on transfer chair mounting, lean against with foot top.Transfer chair can become holds up bed.When human body will be transferred on transfer chair from sick bed, first transfer chair is become straight and hold up bed, dock with sick bed, each arm group of holding up first holds up arm to inject gap between human body and bed surface with one, on lift expand gap, another root holds up arm to inject in the gap expanded at once, subsequently two hold up arm alternately lift human body motionless, decline, advance, until be inserted in completely between human body and bed surface.Hold up arm to lift human body subsequently, be recovered to and hold up on bed, hold up bed to become transfer chair, can push away away.Human body can be completed from bed to the transfer of transfer chair, also can complete the transfer from transfer chair to bed.But each root holds up arm to have a set of independently lowering or hoisting gear and propulsion plant.Lowering or hoisting gear, propulsion plant are arranged in sideslip road, and sideslip road is arranged on above transfer chair, particularly shift after chair becomes and hold up bed, and lowering or hoisting gear and propulsion plant to be held up on bed in plane.Propulsion plant by founding balladeur train, vertical slide block, hoist cylinder form.Vertical balladeur train, vertical slide block, hoist cylinder exceed holds up 20 to 30 centimeters, a plane, when patient is turned lift to hold up on bed time, lowering or hoisting gear and propulsion plant also will rest in holds up more than 20 centimeter of position outside a bedside.Outside bed side outstanding more than 20 centimeters, this just causes holds up bed walking or be elevated in elevator in the crowded corridor of personnel, necessarily requires others to dodge, very inconvenient.

If patient is in wider bed centre position, or at the another side near bed, and beyond does not have sufficient space again, and such as near wall, transfer bed can not move to patient institute thereat, and the chair frame of movement and the width of bed are fixing, can not ultra-wide.Arm type transfer chair hold up arm to stretch out time to stay a part.The arm of holding up of former arm type transfer chair stretches out, and is not enough to reach human body following, even can only be inserted into the following half of human body, just can not shifts human body.Very big inconvenience is brought like this to user.

Arm type transfer chair seat frame does not install balancing stand and wheel carrier below, after it becomes and holds up bed, when the sick bed holding up arm to reach side docking lifts human body, holds up bed not have balancing stand to support below, holds up bed will topple over to sick bed direction.Need operator firmly to pin and hold up an another side just can complete patient transfer process.And when shifting chair and holding up and changing between bed, do not have wheel carrier to balance center of gravity, patient is also easy to be toppled over to leaning against direction.Make troubles to operation.

Summary of the invention

The purpose of this utility model is to provide a kind of deficiency overcoming arm type transfer chair, solve when shifting after chair becomes and hold up bed, hold up arm can shift the human body of different bedside and diverse location, and lowering or hoisting gear is not given prominence to holding up above bed, do not give prominence to and holding up outside a side, and can prevent the arm type of the problem of holding up bed to topple over from automatically shifting chair yet.It is that one conveniently shifts chair, hereinafter referred to as armchair that arm type shifts chair automatically.

This utility model is achieved in that arm type shifts chair automatically, primarily of chair frame, balancing stand, hold up arm group, hold up arm elevator apparatus, hold up arm propulsion plant and control system composition.Chair frame is made up of treadle, lifting column, foot rest, pushing hands, horizontal block, gear hurdle, front bezel, rear frame, push rod, wheel carrier.Chair frame is divided into foot to lean on, mounting, lean against three joints.Lean against identical by structure with foot, symmetry is hinged at the two ends of mounting.Armchair can become holds up bed.Holding up the length direction of bed, frame front bezel, the frame of another side is on rear frame.Push rod be arranged on hold up the forward and backward frame of bed empty frame in, can stretch, adjustment hold up a length.The width of bed is held up to be fixedly connected with horizontal block.Mounting is provided with lifting column and foot rest below.The following underframe of chair frame is arranged in the chute of wheel carrier.Foot rest is provided with locking device.Unclamp locking device, underframe can slide in wheel carrier, is used for adjustment to hold up a center of gravity.Balancing stand is arranged on the horizontal frame of foot rest below chair frame.Balancing stand leads shell by the gimbal lever, glue head, the gimbal lever, reel, stay cord, stay cord button, electric magnet, briquetting, extension spring form.That of two is held up to hold up arm to be arranged on push rod.Arm group is held up to hold up arm to form by two for one.Each root holds up arm to have a set of arm elevator apparatus and hold up arm propulsion plant independently held up.Holding up advance and the retrogressing of arm, completing by holding up arm propulsion plant.The rise and fall of arm are held up to complete by holding up arm elevator apparatus.Hold up arm elevator apparatus to be arranged on and hold up a bed surface following.Arm propulsion plant is held up to be made up of sideslip road, secondary slideway, smooth block, motor, reel, pulley, stay cord.Sideslip road is arranged on to be held up the forward and backward frame of bed and holds up on the push rod at two.Be an inverted T-slot mouth above sideslip road, below is connected with drain pan.There is the slideway matched with secondary slideway on smooth block both sides, and secondary slideway matches with sideslip road.Smooth block and hold up arm to be arranged in secondary slideway, secondary slideway is arranged in sideslip road, smooth block with hold up arm rear end to link into an integrated entity.The effect of secondary slideway is that patient during recumbency, can make to hold up arm can reach enough length in the middle of very wide bed, namely increases the slideway of one level of support and guiding.Secondary slideway, the advance holding up arm and retrogressing is controlled with motor, reel, pulley, stay cord.Near forward and backward scuncheon and hold up inside forward and backward two push rods in a two ends, two, sideslip road is all fixed with two pieces of supports downwards below.Between two pieces of supports and close forward and backward frame or push rod, be provided with a trundle, roller is against forward and backward frame or push rod medial surface, has appropriate gap.Roller support is fixed on two pieces of supports fixing below sideslip road.Roller effect makes sideslip road can not forward and backward movement, can move up and down.

Sideslip road lower front is provided with front reel and motor, and front-end and back-end, sideslip road are all provided with directive wheel.The rear end of the secondary slideway of same side is provided with rear wheel, and secondary slideway front end is correspondingly provided with front wheel.Below rear end, sideslip road same side be provided with after reel and motor.Stay cord one end to be fixed on front reel and to be wound around the suitable number of turns, the stretching directive wheel walking around front end, sideslip road of the other end, stretchingly walks around rear wheel, draws toward secondary slideway front end, walks around front wheel, draw toward smooth block, and be fixed on smooth block relevant position.Another root stay cord one end is walked around the directive wheel of rear end, sideslip road and is fixed on rear reel, and be wound around the suitable number of turns, the other end pulls to smooth block, and is fixed on smooth block relevant position.

Be provided with ratchet in the drain pan in sideslip road, below secondary slideway back segment, be provided with sour jujube card.The electric magnet controlling sour jujube card is installed below secondary slideway back segment.

Pulley can be put down in secondary slideway rear end and to be installed, and also can vertically install, and stay cord can be arranged at secondary slideway two sides or a side.

Arm elevator apparatus is held up to have hydraulic cylinder lifting and motor to be elevated two kinds of structures.With hydraulic cylinder lifting, be respectively be connected and fixed an assistant support inside forward and backward frame and relative two push rods, respectively on support fix a hydraulic cylinder, make hydraulic cylinder piston rod be hinged at two pieces of pedestal lower end fixing below sideslip road.Extend while two hydraulic cylinder piston rods and shorten, namely controlling the rise and fall simultaneously of two, sideslip road by support, make smooth block and hold up arm to be also elevated simultaneously.What be elevated with motor holds up arm elevator apparatus, is made up of motor, screw mandrel, nut.

When human body will be transferred on armchair, first unclamp the locking device on foot rest from the bed, regulate armchair center of gravity, locking device locks.Armchair is become straight and holds up bed, hold together to dock with bed mooring, stretch out balancing stand.Each hold up two of arm group hold up arm alternately inject gap between human body and bed surface, on lift expand gap, alternately lift human body motionless, decline, advance, until it is following to hold up arm to insert human body, i.e. liftable human body, regains to be placed on and holds up on bed, become hold up bed into armchair.When human body will be transferred to another appointment bed from armchair, first unclamp the locking device on foot rest, regulate armchair center of gravity, locking device locks.Armchair is become and holds up bed, bed being held up to hold together with specifying bed mooring, stretching out balancing stand.Hold up arm group that human body is lifted and move to suitable height above appointment bed, each holds up the arm of holding up of arm group alternately to lift human body, decline, retrogressing, specifies on bed until be placed on by human body.

Lean against between mounting, foot by with mounting between reclining apparatus is installed.The frame on mounting both sides lifting column and foot rest have been installed.There is wheel wheel carrier lower end.Lifting column is arranged in the vertical pipe box of foot rest.Lifting column can be elevated bed surface height.Rotate reclining apparatus to make to lean against and upwards rotate an angle, general chair lean against part.Rotating reclining apparatus makes foot by rotating an angle, namely becomes armchair.In like manner, leaning against, foot is concordant with mounting by turning to, and namely armchair becomes and hold up bed.

Mounting, lean against, foot by having identical forward and backward frame and horizontal block, in order to fixing respective rectangular frame.Two push rod external end heads are connected with pushing hands, in order to promote to hold up bed, armchair.Foot leans on and leans against and can mutually convert.Lean against, foot by can change according to the orientation of transporting patient, sick bed, lean against to become and lean on as foot, as long as pushing hands direction is reversed upwards, and fix, can treadle be become.

Arm type shifts the mechanical arm of chair automatically holding up arm.Arm skeleton is held up to be made up of metal material.Plane on arm is held up to cover slightly soft plastics or the rubber layer of layer.Hold up arm front end to be wedge-like, wedge-like front end is solid, and wedge mouth is the root face of a millimeter, makes by soft plastic material, smooth surface, contact people physical ability to people a kind of with arm, point the same affine sensation.

Armchair, in transporting patient process, holds up arm to inject the following overall process of human body, and after human body is lifted, is recovered to and holds up on bed, and declines and be placed on the overall process of holding up on bed, is all automatic control.As the case may be, some process in automatically controlling can switch to Non-follow control.When human body is transferred to bed from armchair, hold up arm to lift human body, the overall process that human body is placed in bed is all automatic control.

Mounting, lean against, on framework that foot leans on, be all fixed with horizontal block, effect is: the shape of fixed frame on the one hand, makes it indeformable; Be on the other hand lift effect in the support that kept at a certain distance away of the length direction of human body, as a kind of chair keeps at a certain distance away, to be fixed with batten the same.

The beneficial effects of the utility model, the advantage comparing arm type armchair is: 1, patient is in the middle of the very wide bed during recumbency, and secondary slideway can make to hold up arm can reach enough length, leniently bed can facilitate transporting patient.2, hold up arm elevator apparatus be arranged on armchair become hold up bed after hold up a bed surface following, make the not projecting bevy of bed surface, bed surface is smooth.Further, hold up a both sides and armchair both sides also neat, no longer to the outstanding bevy of side, in the corridor that personnel are crowded or walk all very convenient in elevator.3, lowering or hoisting gear is fixedly mounted on and holds up the forward and backward scuncheon of bed, no longer moves at bed width, makes the high-pressure oil pipe of hydraulic cylinder not remake folding and unfolding and moves, and the folding and unfolding of high-pressure oil pipe to move be very troublesome.High-pressure oil pipe can fixedly mount below holding up bed, very convenient.4, below foot rest, be provided with balancing stand and wheel carrier, make to hold up bed from transporting patient on sick bed, hold up bed no longer forwards to topple over, can also regulate and hold up a center of gravity.Great convenience is provided to operator.

Accompanying drawing explanation

Fig. 1 is that arm type shifts chair overall structure figure automatically.

Fig. 2 is that arm type automatically shifts chair and becomes and hold up bed structure figure.

Fig. 3 is that arm type automatically shifts chair and becomes and hold up bed, holds up arm, secondary slideway stretches out situation map.

Fig. 4 holds up arm elevator apparatus and holds up arm propulsion plant axonometric chart.

Fig. 5 holds up arm elevator apparatus and holds up arm propulsion plant structure chart.

Fig. 6 holds up stay cord on arm, secondary slideway, sideslip road, pulley, reel to take apart show transmission situation map.

Fig. 7 is the principle key diagram that secondary slideway advances.

Fig. 8 is sour jujube card, ratchet installation site sectional view.

Fig. 9 has taken down drain pan, sees from the bottom up, sour jujube card, ratchet installation site figure.

Figure 10 holds up arm operation principle key diagram.

Figure 11 is balancing stand structure and fundamental diagram.

Figure 12 holds up arm to lift human body from sick bed just regaining and hold up a procedure chart.

In accompanying drawing: treadle 1, smooth block 2, push rod 3, horizontal block 4, rear frame 5, pivot pin 6, hydraulic cylinder 7, support 8, secondary slideway 9, sideslip road 10, hold up arm 11, front bezel 12, gear hurdle 13, pushing hands 14, wheel 15, the horizontal frame 16 of foot rest, lifting column 17, foot rest 18, cabinet 19, underframe 20, the gimbal lever leads shell 21, wheel carrier 22, locking device 23, motor 24, drain pan 25, roller 26, piston rod 27, directive wheel 28, stay cord 29, front wheel 30, front reel 31, rear wheel 32, rear reel 33, electric magnet 34, sour jujube card 35, ratchet 36, extension spring 37, briquetting 38, glue head 39, the gimbal lever 40, reel 41, stay cord button 42, sick bed 43, human body 44.

Detailed description of the invention

In Fig. 1, be that arm type shifts chair overall structure figure automatically.Mounting is provided with lifting column 17 below, and lifting column 17 is arranged in the standpipe of foot rest 18, can be elevated.Cabinet 19 is arranged on the following underframe of foot rest 18 20.The following underframe 20 of chair frame is arranged in the chute of wheel carrier 22.The slideway corresponding with the chute of wheel carrier 22 is provided with below underframe.Foot rest 18 is provided with locking device 23.Unclamp locking device, underframe 20 can slide in wheel carrier 22, is used for adjustment to hold up a center of gravity.Wheel 15 is had below wheel carrier.Balancing stand is arranged on the horizontal frame 16 of foot rest below chair frame.Mounting, lean against, the framework of foot by being all made up of front bezel 12, rear frame 5, horizontal block 4.The forward and backward frame of mounting has installed gear hurdle 13, gear hurdle 13 can switching following to forward and backward frame.The width of bed is held up to be fixedly connected with horizontal block 4.Lean against and be hinged on the forward and backward frame on the right of mounting with pivot pin 6, foot rest pivot pin 6 is hinged on the forward and backward frame on the mounting left side.It is identical for leaning against the structure leaned on foot, symmetrical with mounting.Lean against between mounting, foot leans on all has installed reclining apparatus between mounting.Reclining apparatus is prior art, has various structures, clear in order to drawing primary structure, and reclining apparatus does not draw.Foot leans on, lean against outer end push rod 3.Push rod 3 outer end leaning against outer end is connected with pushing hands 14, can switching lock downwards, the pushing hands of armchair.Turn on locking, pushing hands upwards pulled, then lock, the treadle 1 on left side foot limit on the lower.According to the needs in transfer process orientation, lean against and can become foot and lean on, foot leans against by becoming.The right in Fig. 1 is leaned against angle modulation rotate downwards, left side foot rotates upwards by angle modulation, and reverse switching pushing hands also locks, and namely former leaning against become foot and lean on.

Fig. 2 is that armchair becomes and holds up bed structure figure.Adjustment backrest angle and foot are by angle, and make to lean against with foot by all concordant with mounting, armchair just becomes and holds up bed.Push rod 3 is arranged in forward and backward frame, can stretch in forward and backward frame, is used for adjustment to hold up a length.Underframe 20 slides in wheel carrier 22, regulates and holds up a center of gravity.That wheel carrier moves right situation in Fig. 2.

In Fig. 3, be that arm type automatically shifts chair and becomes and hold up bed, hold up arm, secondary slideway stretches out situation map.Arm group is held up to hold up arm to form by two for one.Each root holds up arm to have a set of arm elevator apparatus and hold up arm propulsion plant independently held up.Holding up advance and the retrogressing of arm, completing by holding up arm propulsion plant.The rise and fall of arm are held up to complete by holding up arm elevator apparatus.Composition graphs 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8, Fig. 9, concrete describing is held up arm elevator apparatus and holds up arm propulsion plant structure.

Fig. 4 holds up arm elevator apparatus and holds up arm propulsion plant axonometric chart.In Fig. 4, conveniently observe, the support 8 for fixative cylinder pressure 7 on rear frame 5 does not draw.Fig. 5 holds up arm elevator apparatus and holds up arm propulsion plant structure chart.Hold up arm elevator apparatus to be arranged on and hold up a bed surface following.Near front bezel 12, inside rear frame 5 and hold up inside forward and backward two push rods 3 in a two ends, two, sideslip road 10 is all fixed with two pieces of supports 8 downwards below.Between two pieces of supports 8 and close forward and backward frame or push rod, be provided with a trundle 26, roller 26 is against forward and backward frame or push rod medial surface, has appropriate gap.Roller 26 support 8 is fixed on two pieces of supports fixing below sideslip road.Roller effect makes sideslip road can not forward and backward movement, can move up and down.Arm elevator apparatus is held up to have hydraulic cylinder lifting and motor to be elevated two kinds of structures.Fig. 4 holds up arm elevator apparatus hydraulic cylinder structure.Hold up arm elevator apparatus motor lifting structure, not shown in FIG..With hydraulic cylinder lifting in Fig. 4, be respectively be connected and fixed an assistant support 8 at forward and backward scuncheon, respectively on support fix a hydraulic cylinder 7, the piston rod 27 of hydraulic cylinder 7 is hinged at and is fixed on two pieces of following support 8 lower ends of sideslip road.Extend while two hydraulic cylinder piston rods and shorten, namely controlling the rise and fall simultaneously of two, sideslip road by the support be fixed on below sideslip road, make smooth block and hold up arm to be also elevated simultaneously.What be elevated with motor holds up arm elevator apparatus, is made up of motor, screw mandrel, nut.Motor upper end is connected with the two pieces of supports be fixed on below sideslip road, and motor lower end is connected with screw mandrel.In forward and backward frame and respectively on the fixing support in push rod side fix a nut, screw mandrel is through nut, because nut is fixed on the support in forward and backward frame and push rod, driven by motor screw mandrel rotates, and nut is motionless, screw mandrel and motor can only be made to move up and down, namely drive sideslip road, smooth block, hold up arm rise and fall.

Arm propulsion plant is held up to be made up of sideslip road 10, secondary slideway 9, smooth block 2, motor 24, reel, pulley, stay cord 29.Sideslip road 10 is arranged on to be held up a front bezel 12, rear frame 5 and holds up on the push rod 3 at two, referring to Fig. 3.Be an inverted T-slot mouth above sideslip road 10, below is connected with drain pan 25.There is the slideway matched with secondary slideway 9 on smooth block 2 both sides, and secondary slideway 9 matches with sideslip road 10.Smooth block 2 is arranged in secondary slideway 9, and secondary slideway is arranged in sideslip road, and smooth block 2 is connected with holding up arm 11 rear end.Secondary slideway, the advance holding up arm and retrogressing is controlled with motor, reel, pulley, stay cord.

Simultaneously referring to Fig. 6, Fig. 7.Fig. 6 holds up stay cord on arm, secondary slideway, sideslip road, pulley, reel to take apart show transmission situation map.Fig. 7 is the principle key diagram that secondary slideway advances.For convenience of observing, the directive wheel 28 of rear end, sideslip road 10 in Fig. 7 and rear reel 33 and motor 24 are repeated picture out on smooth block 2 left side.Sideslip road 10 lower front is provided with front reel 31 and motor 24, and front-end and back-end, sideslip road are all provided with directive wheel 28.The rear end of the secondary slideway of same side is provided with rear wheel 32, and secondary slideway front end is correspondingly provided with front wheel 30.Below rear end, sideslip road same side be provided with after reel 33 and motor 24.Stay cord 29 one end to be fixed on front reel 31 and to be wound around the suitable number of turns, the stretching directive wheel 28 walking around front end, sideslip road of the other end, stretchingly walks around rear wheel 32, draws toward secondary slideway front end, walks around front wheel 30, draw toward smooth block 2, and be fixed on smooth block.Another root stay cord 29 one end is walked around the directive wheel 28 of rear end, sideslip road and is fixed on rear reel 33, and be wound around the suitable number of turns, the other end pulls to smooth block, and is fixed on smooth block rear end.Secondary slideway side or sideslip road inner side edge offer groove, and pulley and relevant stay cord can move in groove port.

Simultaneously referring to Fig. 8, Fig. 9.Fig. 8 is sour jujube card, ratchet installation site sectional view.Fig. 9 has taken down drain pan, sees from the bottom up, sour jujube card, ratchet installation site figure.Be provided with ratchet 36 in the drain pan in sideslip road, below secondary slideway back segment, be provided with sour jujube card 35.The electric magnet 34 controlling sour jujube card is installed below secondary slideway back segment.Extension spring 37 one end is connected with bottom secondary slideway, and the other end and sour jujube block 35 and be connected.Electric magnet 34 and sour jujube block 35 and are not connected beyond extension spring 37 and connect.

Electric magnet is energized, and sour jujube card is drawn out ratchet, and secondary slideway can stretch out under stay cord effect.Electric magnet power-off, secondary slideway can not stretch out.The length that secondary slideway stretches out is by magnet control.Hold up arm under stay cord effect, the length that it can stretch out can be reached.Referring to Fig. 3, be namely hold up arm, secondary slideway stretches out situation.Namely secondary slideway and hold up arm to stretch out summation in secondary slideway is the extension elongation of holding up arm.

In Figure 10, be hold up arm operation principle key diagram.Here hold up arm group to carry out describing with two of holding up arm 11 to form, other related fittings do not draw.Hold up the whole front portion of arm insert human body below and between bed surface before process be: for sake of convenience, from bottom to top holding up arm by No. 1, No. 2 numberings.Hold up arm 11 motionless for No. 2.Hold up arm 11 to advance for No. 1, in the gap holding up arm front wedge mouth to insert between human body and bed surface, hold up on arm and lift, expand gap between human body and bed surface.Hold up arm to advance for No. 2, front wedge mouth inserts in the gap expanded, and holds up on arm and lifts, lift human body motionless at once.Hold up arm to decline for No. 1, advance, above lift.It is whole that to hold up arm front portion all to insert human body following.Above process can operate with Non-follow control.Process after holding up arm whole front portion insertion human body is below: operator can press autokeyer, and the overall process of below holding up arm to insert human body following is all automatic control operation.Hold up arm alternately to decline respectively, advance, rise to setpoint distance, until hold up arm inserted through between human body and bed surface for No. 1 subsequently, No. 2.Hold up the advance of arm to carry out after decline, do not contact with human body, there is no sliding friction with human body.

Hold up the control system of arm to have manual control part and automatic control section, according to practical situation, some process of automatic control section can switch to Non-follow control.Beginning process one to three minor tick holding up arm to insert human body inserts, available Non-follow control.Hold up the list group of arm group to insert one by one, or several groups are inserted together, also use Non-follow control.When from the bed in armchair transporting patient process, when hold up arm front portion enter human body below after, hold up arm all to enter the automatic control operation of crack approach under human body.When from armchair in sick bed transporting patient process, respectively hold up arm group to lift patient and to be placed on above bed after suitable height and position, hold up arm to exit the overall process of human body, use automatic control operation.

In Figure 11, be balancing stand structure and fundamental diagram.Balancing stand leads shell 21 by the gimbal lever 40, glue head 39, the gimbal lever, reel 41, stay cord 29, stay cord button 42, electric magnet 34, briquetting 38, extension spring 37 form.Balancing stand is arranged on the horizontal frame 16 of foot rest below chair frame, vertical with holding up a length direction.The gimbal lever leads shell 21 pivot pin 6 and is fixed on foot rest horizontal frame 16 rear portion.The gimbal lever 40 is arranged on the gimbal lever and leads in shell 21, can stretch out and withdrawal.Gimbal lever termination is connected with glue head 39.Extension spring 37 one end is fixed on the horizontal frame 16 of foot rest, and the other end is fixed on the gimbal lever and leads on shell.The horizontal frame of foot rest is provided with electric magnet 34, for controlling the lifting of balancing stand.Electric magnet 34 one end is fixed on the horizontal frame of foot rest, and the other end and briquetting 38 one end are hinged.Briquetting 38 pivot pin is fixed on the horizontal frame 16 of foot rest, can rotate.Extension spring 37 one end is fixed on the horizontal frame of foot rest, and one end is connected with briquetting 38.The gimbal lever leads shell rear end and is provided with motor 24 and reel 41, and the gimbal lever leads that shell is anterior is correspondingly provided with another reel 41, and stay cord 29 is wrapped on two reels, composition loop.Gimbal lever's back segment is fixed with stay cord button 42, and stay cord button leads the corresponding notch offered on shell through the gimbal lever, is connected and fixed with stay cord.The dynamic reel that drives of motor positive and inverse rotates, and drives stay cord to move, makes stay cord button do corresponding movement, namely drive the gimbal lever to stretch out the gimbal lever and lead shell or withdrawal.When needs transfer human body, hold up bed mooring to hold together sick bed, electric machine rotation, the gimbal lever stretches out, and electric magnet is energized, and tension and compression block is pushed down the gimbal lever and led shell, and glue head lands.Finish using, electric magnet power-off, briquetting inhour under extension spring effect is rotated, and get out of the way the gimbal lever and lead shell, the gimbal lever leads on shell and lifts, and glue head raises, and motor reversal, the gimbal lever is recovered to the gimbal lever and leads in shell.

Figure 12 holds up arm to lift human body from sick bed just regaining and hold up a procedure chart.Arm of holding up according to front injects the following process of human body, and operator's Non-follow control operates, and human necks, shoulders part can operate separately, and all the other several positions can operate simultaneously to be injected below human body 44.Hold up arm to put down to move to the natural gap place between human body and bed surface, suitably inject.Then hold up on arm and lift expansion gap, another holds up arm to inject in the gap expanded at once, inserts darker.Like this, hold up arm alternately to inject for two, whole to hold up arm front end all to insert human body following, presses autokeyer, two hold up arm alternately on lift human body motionless, decline, advance, rise, whole arm of holding up is inserted into below human body.Hold up arm automatic synchronization to rise, lift human body, be automatically withdrawn into and hold up after above bed, drop on forward and backward frame and push rod under sideslip road for each group.Human body be namely placed on by horizontal block, hold up arm to form bed surface on.Leaning against with foot by partial adjustment angle to such as Fig. 1 position, armchair.

Human body is transferred on sick bed 43 from armchair, first unclamps the locking device on foot rest, regulate armchair center of gravity, locking device locks, and armchair is adjusted to and holds up bed, human body lies in be held up on bed.To dock with sick bed holding up bed and draw close, stretch out balancing stand.Arm group is respectively held up synchronously to lift suitable height above human motion to sick bed.Respectively hold up arm group hold up arm alternately lift human body motionless, decline, retreat, until all exit below human body, human body is placed on one's sick bed.

Claims (8)

1. arm type shifts chair automatically, primarily of chair frame, balancing stand, hold up arm group, hold up arm elevator apparatus, hold up arm propulsion plant and control system composition, it is characterized in that:

(1), balancing stand is arranged on the horizontal frame of foot rest below chair frame;

(2), arm group is held up to hold up arm to form by two for one;

(3), holding up arm elevator apparatus to be arranged on holds up a bed surface following;

(4) arm propulsion plant, is held up to be made up of sideslip road, secondary slideway, smooth block, motor, reel, pulley, stay cord;

(5), sideslip road is arranged on and holds up the forward and backward frame of bed and hold up on the push rod at two;

(6), smooth block and hold up arm to be arranged in secondary slideway, secondary slideway is arranged in sideslip road, smooth block with hold up arm rear end to link into an integrated entity;

(7), be provided with ratchet in the drain pan in sideslip road, below secondary slideway back segment, be provided with sour jujube card;

(8) arm elevator apparatus, is held up to have hydraulic cylinder lifting and motor to be elevated two kinds of structures;

(9) underframe that, chair frame is following is arranged in the chute of wheel carrier.

2. arm type according to claim 1 shifts chair automatically, it is characterized in that: each root holds up arm to have a set of arm elevator apparatus and hold up arm propulsion plant independently held up.

3. arm type according to claim 1 shifts chair automatically, it is characterized in that: what be elevated with motor holds up arm elevator apparatus, is made up of motor, screw mandrel, nut.

4. arm type according to claim 1 shifts chair automatically, it is characterized in that: balancing stand leads shell by the gimbal lever, glue head, the gimbal lever, reel, stay cord, stay cord button, electric magnet, briquetting, extension spring form.

5. arm type according to claim 1 shifts chair automatically, it is characterized in that: be provided with the electric magnet controlling sour jujube card below secondary slideway back segment.

6. arm type according to claim 1 shifts chair automatically, it is characterized in that: hold up that of two to hold up arm to be arranged on push rod.

7. arm type according to claim 1 shifts chair automatically, it is characterized in that: push rod be arranged on hold up the forward and backward frame of bed empty frame in.

8. arm type according to claim 1 shifts chair automatically, it is characterized in that: foot rest is provided with locking device.