CN106691716A - Convenient transfer chair - Google Patents

Abstract

A convenient transfer chair mainly comprises a chair body part and a combined supporting arm part. The chair body part is made up of a foot bar, lifting columns, feet frames, pushing hands, transversal blocks, moving transversal blocks, blocking bars, front borders and back borders. A back rest and a leg rest have a same structure, which are symmetrically connected to two ends of the seat frame in a hinge mode. The combined supporting arm part, which is mounted on the front borders and the back borders, is composed by support fingers, supporting arms, supporting arm groups, a supporting arm lifting device, a supporting arm pushing device and a control system. One person is moved from a bed to the transfer chair, and then the transfer chair is turned into a transfer bed and close to the bed. One support finger of the supporting arm in each support arm group inserts into the gap between the person and the bed, and then uplifts to widen the gap. Immediately another supporting arm inserts into the widened gap, and the two supporting arms alternately hold the human body immovably, down, forward, and up to carry the body, until all the supporting arms insert below the person. The arm groups lift the person back to the transfer bed. When the person is moved to the bed, the supporting arms uplift the body above the bed, and the supporting arms descend and go backward alternately, until the person is placed on the bed. The chair can transfer patients between the bed and the transfer chair automatically.

Description

Convenient transfer chair

Technical field

The present invention relates to a kind of seat, particularly facilitate transfer chair.

Background technology

Existing seat, for the people that can be moved, can voluntarily take chair or leave chair, and can be seated reading, voluntarily or by people push to outdoor activities.But for the people for obtaining disease, the people of the ability of moving is lost, to be sat on chair for a moment, just had to one to two people and assist in.Especially the people of body weight, is helped seat from sick bed and is helped from seat and gone to bed by a nurse or family female nursing staff, is all very laborious, and patient also feels inconvenient.

The content of the invention

Patient can from the bed be helped seat automatically it is an object of the invention to provide one kind, the convenient transfer chair of upper bed surface patient can be helped from seat again.

The present invention copies a kind of mechanical arm of the arm design of people, on special chair, is walked with chair, with assist in patient go to bed, leave the bed, the function of upper chair, lower chair.

What the present invention was realized in：Convenient transfer chair, mainly helps arm to be grouped into by chair body part, combination.Chair body part is made up of treadle, lifting column, foot stool, pushing hands, horizontal block, mobile horizontal block, gear column, front bezel, rear frame.Chair body part is divided into pin and leans on, mounting, leans against three sections.Lean against and lean on structure identical with pin, be symmetrically hinged at the two ends of mounting.Mounting, lean against, pin is top is fixed with horizontal block, and be mounted with to move horizontal block.Combination helps arm section by helping finger, helping arm, help arm group, help arm elevator apparatus, help arm propulsion plant, control system to constitute.Help finger to be arranged on and help arm front end.Arm elevator apparatus are helped to be made up of vertical balladeur train, vertical sliding block, hoist cylinder, fork handle.Arm propulsion plant is helped to be made up of smooth frame, sideslip road, frame sliding block, frame slideway, sprocket wheel, chain, motor.Two sprocket wheels are following installed in sideslip road two.Smooth frame gear tooth fixed below is inserted in the cuff link of sprocket wheel top chain through the notch in the middle of sideslip road.Help the advance of arm and retreat, by helping arm propulsion plant to complete, help the rise and fall of arm by helping arm elevator apparatus to complete.Help arm group to help arm to merge by two for one to constitute.Combination help arm section be arranged on mounting, lean against, on the front bezel that pin is leaned on and rear frame.When human body is transferred to from the bed on transfer chair, transfer chair is first become straight transfer bed, hold together to dock with bed mooring, help arm to put down bed surface and move to human body side, one of arm group is respectively helped to help the finger of helping of arm front end suitably to inject human body below and upper lift, expand the gap between human body and bed surface, another is helped the finger horse back reeve of helping of arm front end to lift expansion gap with suitably upper, whole is helped arm anterior all following into human body, every is helped arm alternately to lift human body motionless, decline, proceed to setpoint distance, rise, arm is helped all to be inserted into below human body, i.e. liftable human body, withdrawal is placed on transfer bed, adjustment is leaned against leans on angle with pin, transfer bed is become to shift chair.By human body from convenient transfer chair be transferred on another specified bed when, gear column is turned to transfer chair front bezel following, transfer chair is become transfer bed, transfer bed is held together with specified bed mooring, the fully synchronized rising of arm group is helped, human body is lifted, smooth frame is moved on sideslip road, human motion to the appropriate height in specified bed top, the arm of helping of arm group is respectively helped alternately to lift human body, decline, retreat, until human body is placed on specified bed.

Convenient transfer chair hereinafter referred to as shifts chair.Chair body part is divided into three sections, and middle one saves frame of drawing well.Crying for mounting one end is leaned against, and the pin that cries of the mounting other end is leaned on.Lean against the two ends leaned on pin and be hinged at mounting with pivot pin respectively.Lean against between mounting, pin leans on and reclining apparatus are provided between mounting.Mounting is provided with lifting column and foot stool below.There is wheel foot stool lower end.Lifting column is arranged in the vertical pipe sleeve of foot stool.Lifting column can lift bed surface just.Rotating reclining apparatus makes to lean against and is rotated up an angle, general chair lean against part.Rotating reclining apparatus makes pin by rotating down an angle, that is, become transfer chair.Similarly, leaning against, pin it is concordant with mounting by turning to, transfer chair is to become transfer bed.In the length direction of transfer bed, front bezel, the frame of another side is rear frame for the frame on one side.The width of transfer bed is fixedly connected with horizontal block.The need for according to transfer process orientation, leaning against can become pin and lean on, and pin is by that can become to lean against.

Mounting, lean against, pin by having the forward and backward frame of identical and horizontal block, be used to fix respective rectangular frame.Lean against the front bezel of outer end, back inframe and rectangular tube that is extending, shortening is installed, hereinafter referred to as " expansion link ".Two expansion link external end heads are connected with pushing hands, are used to promote transfer bed, transfer chair.Lean against, pin by can be changed according to the orientation of transporting patient, sick bed, leaning against can be changed into pin and lean on, as long as pushing hands direction is reversed upward, and fixation, you can into treadle.

The mechanical arm of convenient transfer chair is helping arm.It is hollow square metal product to help arm.Help arm front end to be hinged and be mounted with that is helped a finger.Help finger rounded portions to be hinged to help on the side housing of arm two.Help before arm and be mounted with that one is helped finger oil cylinder, i.e. small cylinder in piece housing.Help the piston rod end and connecting rod hinge for referring to oil cylinder.The connecting rod other end is hinged with the following appropriate section of finger is helped.Help finger help refer to oil cylinder effect under can be rotated upwardly into to help arm concordant, rotatable appropriate angle, is named " help and refer to obliquely " downwards.

What is kept flat at one helps one vertical socle of " ┓ " shape fork handle of plane vertical welding on arm rear end.Horizontal frame block above " ┓ " shape fork handle is pointed to and helps arm pointing direction conversely, its reverse extending line is with to help arm parallel.Alleged fork handle is all to refer exclusively to fork handle top that section frame block opposite with arm sensing is helped below.Help arm group to help arm to merge by two for one to constitute.

Help arm to have for each a set of independent to help arm elevator apparatus and help arm propulsion plant.

The rise and fall for helping arm are by helping arm elevator apparatus to complete.Vertical balladeur train is connected with smooth frame, orthogonal, into " ┛ " shape.Vertical is vertical balladeur train, and centre is provided with notch.There is slideway on notch both sides, and vertical sliding block is provided with slideway.Fork handle passes through the notch in the middle of vertical balladeur train from " ┛ " shape frame right side, is fixed together with vertical sliding block.Hoist cylinder lower end is arranged on above smooth frame, and the piston rod upper end of hoist cylinder is arranged on the support being fixed together with vertical upper end of slide block face.The telescopic band moving fork handle of hoist cylinder piston rod and help arm decline with rise.

Arm propulsion plant is helped to be made up of smooth frame, sideslip road, frame sliding block, frame slideway, sprocket wheel, chain, motor.

In mounting, lean against, the front bezel that pin is leaned on and be provided with frame slideway above rear frame.Sideslip road is connected with frame sliding block, orthogonal.Frame sliding block is arranged on frame slideway.One piece of sideslip road two is separately fixed on the frame sliding block on the frame slideway of front bezel, rear frame.Sideslip road is vertical with forward and backward frame.Sideslip road segment distance beyond that stretches out frame sliding block in rear frame, is sideslip road back segment below.

Smooth frame is arranged on sideslip road.There is the sliding block being engaged with sideslip road below smooth frame, in sideslip road, can be slidably reciprocated between rear frame and front bezel.One is helped two smooth framves of arm group to be mounted side by side in one piece of the two of sideslip road slideway.Below the sideslip road back segment beyond rear frame and lower section of the sideslip road within front bezel of sideslip road is provided with two sprocket wheels on the support of front bezel position.One secondary chain is installed on two sprocket wheels, loop is constituted.Back segment following support outside in sideslip road is provided with a motor with decelerator, for drive sprocket.Sideslip road below with rear frame on frame slideway between, leave the sprocket wheel top passage that passes through of chain, be that frame slideway is only connected with the both sides under sideslip road width, centre is vacated, you can reserve chain channel.Chain below sprocket wheel passes through below from rear frame.Sideslip road center offers a long rabbet.A gear tooth is fixed in smooth frame lower section.Gear tooth is passed down through the notch of sideslip road center, injects in the cuff link of the straight pulling in sprocket wheel top, that is, it is straight pier shape to keep off tooth, is inserted between two roller sleeves of chain.The rotating of motor, that is, draw gear tooth to move forward and backward, and drives smooth frame and helps arm to advance and retreat.Sideslip road two ends link into an integrated entity below, and sideslip road middle part lower section can fix a connection frame for spill, and centre allowed chain and gear tooth, and connection frame both sides increase sideslip road intensity an entirety is linked to be by the separate sideslip road of notch.

The following frame sliding block in the sideslip road of helping arm group following is slided in the frame slideway on forward and backward frame, and having slide manually plus screw thread is turned round to be respectively provided with reel, drawstring lock mode and on forward and backward frame and pull and locks fixed method.The situation that combination helps arm section to be slided on forward and backward frame is little.Mutual alignment of the arm section on transfer chair is helped in combination to be determined with height human body of medium height, not many higher or lower than of medium height, can be equally applicable.Except a small number of especially high, especially short statures, one to two can be adjusted and help arm group outside the position on forward and backward frame, in most cases be not necessary to adjustment.

Plane on arm is helped to cover the slightly soft plastics or rubber layer of layer.Help finger front end in wedge-like, wedge mouthful is the root face of a millimeter, is made of somewhat softer plastic material, and surface is smooth, contact people's physical efficiency gives people a kind of affine sensation as arm, finger.

Arm is helped to shift the operation principle of human body：

1st, human body is transferred to from the bed on transfer chair.Gear column on transfer chair is turned to front bezel following.Rotation reclining apparatus lean on pin and lean against and are adjusted to become transfer bed with mounting flush position, transfer chair.Transfer bed is docked with bed and is drawn close.Help arm to move to human body side immediately, respectively help arm group first suitably to inject the gap between human body and bed surface with a finger front end wedge surface of helping helped on arm.Help finger to be rotated up, pry open expansion gap.Another of arm group is respectively helped to help the finger of helping of arm front end to inject in the gap for expanding at once, upper lift expands gap motionless again.It is previous help arm front end help lower turn of finger, again insertable into gap in, and upper turn, upper lift motionless.Such two are helped arm alternately.Entirely arm front end is helped all to be inserted into human body following.Then, each is helped two of arm group to help arm to replace rising and lifts that human body is motionless, drop to setpoint distance, advance setpoint distance, rise to setting height, and to help arm to be all inserted into human body following until whole.Then, help arm group lift on the whole human body be recovered to transfer chair top fall.Transfer bed is adjusted to shift chair.Help in arm progradation, it is another help arm to lift human body in the case of carry out.The arm of helping of propulsion is less than the arm of helping for lifting human body, and propulsion helps arm not rub human body.Arm is helped in progradation, it is oblique lower section to help finger, but does not contact bed surface.

According to the deflection situation of human body placement location in bed, help that arm group can be inserted one by one or point several insertion human bodies are following.

2nd, human body is transferred on bed from transfer chair.Gear column on transfer chair is turned to front bezel following.Transfer chair is adjusted to transfer bed, transfer bed is docked with bed to be drawn close.Arm group is helped to lift human body, to suitable distance is moved on bed, away from the appropriate height of bed surface.Then, each helps two of arm group help arm alternately to lift that human body is motionless, alternately decline, retreat, and until all exiting human body lower section, human body is to be placed in bed.

Help the control system of arm to have to control and automatically control part manually.Arm is helped to vertically move and help to three time of the gap that arm is stretched out between human body, insertion human body and bed surface on the transfer bed that transfer chair becomes, with control manually.Then help arm to inject the following overall process of human body, and after human body is lifted, be recovered on transfer bed, and decline the overall process being placed on transfer bed, all automatically control.As the case may be, some processes in automatically controlling can switch to control manually.Human body is transferred to when on bed from transfer chair, helps arm to lift human body, and the overall process that human body is placed in bed is all automatically controlled.

Mounting, lean against, on the framework that pin is leaned on, be all fixed with horizontal block, effect is：The shape of one side fixed frame, makes its indeformable；On the other hand be human body length direction it is spaced apart serve support lift, it is the same to be fixed with batten as a kind of chair is spaced apart.

Sideslip road both sides are connected with mobile horizontal block.Mobile horizontal block two ends lower section is provided with square " vacancy ", and the upper block face of square " vacancy " is ridden against above forward and backward frame, can be horizontally slipped.When helping arm to fall on sideslip road, plane is concordant with level on arm is helped in horizontal block and mobile horizontal block.Between adjacent mobile horizontal block, between mobile horizontal block and adjacent sideslip road, between mobile horizontal block and adjacent horizontal block, both sides have lead to be connected near end positions.The installation number of mobile horizontal block and the length of lead, need between mobile sideslip road and need the determination of the distance between mobile sideslip road and horizontal block according to each.General lead total length is more long than the distance between horizontal block.So, when sideslip road to the left, moved along forward and backward frame to the right when, the mobile horizontal block of preceding edge direction can be promoted mutually to draw close, and the lead of mobile horizontal block of edge direction is stretched one by one after pulling, make the room area occurred by the movement of sideslip road there is mobile horizontal block to fill up, equally have support to human body.

Mobile horizontal block is connected with the expansion link on pushing hands both sides.Lean against to be taken on the last root horizontal block of outer end, the expansion link of pushing hands and involve into curtain shape with two leads one by one between mobile horizontal block, the pushing hands put.Pushing hands is pressed into expansion link in corresponding guide pipe, and mobile horizontal block is mutually drawn close, and transfer bed shortens；Pushing hands pulls out expansion link, and the lead between mobile horizontal block is straightened, and mobile horizontal block increases with the spacing distance of horizontal block, pushing hands, and transfer bed is elongated.

On convenient transfer chair seat frame, the lead on mobile horizontal block one side of people's hip point is made and can be loosened, the structure that can be fixed.Loosen lead, mobile horizontal block is pressed on one side, reserve a larger space, human body is sitting on transfer chair, advance lavatory, transfer chair aligns urinal hole.Patient can be seated solution just.The solution that is seated will be just more smooth than recumbency solution, convenient.

The beneficial effects of the invention are as follows：1st, easily human body can be transferred to from the bed on transfer chair.Patient can be on transfer chair, to outdoor moving activity under the promotion of entourage.Easily patient can be transferred on bed from transfer chair again.2nd, the patient of body weight is shifted, entourage is very light, and patient is also comfortable.3rd, patient will solution just when, entourage can be transferred in lavatory with transfer chair and go solution just.Stink is not had in one side bedroom or ward, it is an a matter of great account feelings that particularly several patients produce stink with multiple entourages in the case of ward, not.On the other hand, when patient defecates, be seated than recumbency solution just smoothly it is comfortable much, it is also beneficial to patient.4th, hospital can become transfer bed with transfer chair, be used as transfer bed.

Brief description of the drawings

Fig. 1 is convenient transfer chair overall structure figure.

Fig. 2 is to help arm configuration and two structure charts for helping arm composition one to help arm group.

Fig. 3 is one and helps arm group lowering or hoisting gear and propulsion plant structure chart.

Fig. 4 is one helps the stereogram of arm group lowering or hoisting gear and propulsion plant.

Fig. 5 is that transfer chair becomes transfer bed structure chart.

Fig. 6 is to help arm to inject the following operation principle explanatory diagram of human body.

Fig. 7 is to help arm to inject the following operation principle explanatory diagram of human body.

Fig. 8 is to help arm to inject the following operation principle explanatory diagram of human body.

Fig. 9 is that transfer bed is docked with sick bed and draws close situation map.

Figure 10 is to help arm that positive withdrawal transfer bed procedure chart after human body is lifted from sick bed.

In accompanying drawing：Treadle 1, vertical balladeur train 2, frame 3 afterwards, pivot pin 4, support 5, motor 6, hoist cylinder 7, vertical sliding block 8, gear column 9, horizontal block 10, mobile horizontal block 11, sideslip road 12, lead 13, help arm 14, help finger 15, frame sliding block 16, front bezel 17, frame slideway 18, pushing hands 19, lifting column 20, foot stool 21, wheel 22, smooth frame 23, sprocket wheel 24, chain 25, fork handle 26, help finger oil cylinder 27, guide section 28, piston rod 29, guide plate 30, connecting rod 31, gear tooth 32, sick bed 33, human body 34.

Specific embodiment

It is convenient transfer chair overall structure figure in Fig. 1.Mounting is provided with lifting column 20 below, and lifting column 20 is arranged in the standpipe of foot stool 21.The hydraulic cylinder that lifting column 20 is installed by the standpipe of foot stool 21 or from barrel is lifted.There is wheel 22 on foot stool 21.Mounting, lean against, pin is by the framework that is all made up of front bezel 17, rear frame 3, horizontal block 10, mobile horizontal block 11.Lean against and be hinged on the forward and backward frame on the right of mounting with pivot pin 4, foot stool pivot pin 4 is hinged on the forward and backward frame on the mounting left side.It is identical to lean against the structure leaned on pin, symmetrical with mounting.Lean against between mounting, pin between mounting by being assembled with reclining apparatus.Reclining apparatus are prior arts, there is various structures, and clear for drawing primary structure, reclining apparatus are not drawn into.Leaning against outer end has pushing hands 19, can downwards be locked with switching, transfer chair pushing hands.Turn on locking, pushing hands pulled upwards, relock, left side pin side on the lower treadle 1.The need for according to transfer process orientation, leaning against can become pin and lean on, and pin is by that can become to lean against.Adjustment backrest angle and pin lean on angle, make to lean against and pin is by all concordant with mounting, shift chair and have reformed into transfer bed.The right in Fig. 1 is leaned against angle modulation and rotates downward, left side pin rotates upward by angle modulation, and reverse switching pushing hands is simultaneously locked, original leans against and become pin and lean on.

It is mounted with to keep off column 9 on the forward and backward frame of mounting, gear column 9 can be following to forward and backward frame with switching.Mounting, lean against, the front bezel 17 that pin is leaned on, rear frame 3 above all offer frame slideway 18, frame sliding block 16 is installed on frame slideway 18.Sideslip road 12 is fixed on the frame sliding block 16 on forward and backward frame, vertical with forward and backward frame.It is mounted with to combine the vertical balladeur train 2 for helping arm section, smooth frame 23 on sideslip road 12, founds sliding block 8, help arm 14, hoist cylinder 7, motor 6, sprocket wheel 24, chain 25, referring to Fig. 5, Fig. 6, related enlarged drawing is seen in control.

It is to help arm configuration and two structure charts for helping arm composition one to help arm group in Fig. 2.In order to observe conveniently, taken down in Fig. 2 and helped leading portion front wall thickness that piece of arm 14.Help what arm 14 was internally hollow.The seamed edge of arm 14 is helped to fall angle, it is very smooth, layer softer plastics or rubber are covered above.Help finger 15 to be hinged at pivot pin to help in the front end shell of arm 14.15 one-tenth wedge-likes of finger are helped, plane can be turned to and help plane on arm " concordant " thereon.Help before arm and be mounted with that is helped a finger oil cylinder 27 in piece housing.Oil cylinder is hydraulic cylinder.The front end of piston rod 29 for referring to oil cylinder 27 is helped to be hinged one section of connecting rod 31.The other end of connecting rod 31 is hinged with the company's blocks for helping finger 15 following.Piston rod 29 passes through guide section 28.There is guide plate 30 the right top of guide section 28.Help and refer to that oil cylinder 27 can control to help the direction and angle for referring to and rotating.The socle of " ┓ " shape fork handle 26 is vertically welded in helps plane on the left end of arm 14.Top fork handle points to the left side, parallel with arm is helped.Later during the annexation of narration fork handle and vertical sliding block, fork handle is to refer exclusively to above " ┓ " shape fork handle laterally that section.

In Fig. 3, it is one and helps arm group lowering or hoisting gear and propulsion plant structure chart, that is, help arm section side view, is the situation for helping in Fig. 1 arm section to see from right to left.Chain 25, the drive mechanism of sprocket wheel 24 are observed for convenience, and the support that sprocket wheel 24 is connected in Fig. 3 is not drawn into.

In Fig. 4, the stereogram of to be one help arm group lowering or hoisting gear and propulsion plant, is to help arm section constitutional diagram.The stereogram of compares figure 4 observes Fig. 3.Vertical balladeur train 2 is below smooth frame 23.Vertical balladeur train 2 is connected with smooth frame 23, and orthogonal.Sideslip road 12 is on front bezel 17, the frame sliding block 16 of rear frame 3.Sideslip road 12 is connected with frame sliding block 16, and orthogonal.Front bezel 17, rear frame 3 all offer frame slideway 18 above.Frame sliding block is arranged on frame slideway.Smooth frame is arranged on sideslip road.Notch is provided with the middle of vertical balladeur train, there is slideway on notch both sides.Vertical sliding block 8 is arranged in notch.The fork handle 26 of arm 14 is helped through the notch in the middle of vertical balladeur train 2, to be connected and fixed with vertical sliding block 8 on the right from Fig. 3.Vertical upper end of slide block is fixed with support 5.The lower end of hoist cylinder 7 is fixed on smooth frame 23, and the upper end of piston rod 29 is connected on support 5.The rising of the piston rod 29 of hoist cylinder 7, decline, that is, drive fork handle 26, drive to help arm 14 to rise, decline.It is the situation for helping arm to be lifted off sideslip road in Fig. 3.

Sideslip road stretches out rear frame suitable length in this head of rear frame, i.e. left direction in Fig. 3, and guiding length of this length substantially with smooth frame and sideslip road is identical.

Below the sideslip road back segment beyond rear frame and lower section of the sideslip road within front bezel of sideslip road is provided with two sprocket wheels 24 on the support 5 of front bezel position.One secondary chain 25 is installed on two sprocket wheels 24, loop is constituted.Back segment following support outside in sideslip road is provided with a motor 6 with decelerator, for drive sprocket.Sideslip road below with rear frame on frame slideway between, leave the sprocket wheel top passage that passes through of chain, be that frame slideway is only connected with the both sides under sideslip road width, centre is vacated, you can reserve chain channel.Chain below sprocket wheel passes through below from rear frame.Sideslip road center offers a long rabbet.A gear tooth 32 is fixed in the smooth lower section of frame 23.Gear tooth 32 is passed down through the notch of sideslip road center, injects in the cuff link of the straight pulling in sprocket wheel top, that is, it is straight pier shape to keep off tooth 32, is inserted between two roller sleeves of chain 25.The rotating of motor 6, that is, draw gear tooth 32 to move forward and backward, and drives smooth frame 23 and helps arm 14 to advance and retreat.Sideslip road two ends link into an integrated entity below, and sideslip road middle part lower section can fix a connection frame for spill, and centre allowed chain and gear tooth, and connection frame both sides increase sideslip road intensity an entirety is linked to be by the separate sideslip road of notch.

The following both sides of sideslip road 12 of arm group are helped at each or while mobile horizontal block 11 is installed, respectively there is a square vacancy the mobile two of horizontal block 11 lower section, and the block face above vacancy is lain in front bezel 17 and rear frame 3, can be horizontally slipped.The upper plane of mobile horizontal block 11 is concordant with the upper plane for helping arm 14 to be placed on when on sideslip road 12.All it is connected with two leads 13 between every mobile horizontal block, between mobile horizontal block and sideslip road.Lead 13 is at mobile each two of horizontal block two.The mobile horizontal block left side, the right in fig. 4, is connected with adjacent horizontal block 10 with lead 13, or is connected with lead with adjacent sideslip road, referring also to Fig. 5.After transfer chair becomes transfer bed, help arm group to adjust in the position of transfer bed length direction, slided to realize on frame slideway 18 by the following frame sliding block 16 in sideslip road.Sideslip road is moved to a direction, the right in such as Fig. 4, just push away the right mobile horizontal block 11 it is close to each other, draw close.Lead 13 is curved to be hung downwards.Sideslip road stretches the lead on the left side in Fig. 4, and the mobile horizontal block being pulled and then can move right together, to fill up the vacancy that sideslip road right lateral occurs.

It is that transfer chair becomes transfer bed structure chart in Fig. 5.The position for leaning against in Fig. 1 is pivotally lowered into concordant with mounting, and pin is concordant with mounting by being gone on position in Fig. 1, shifts chair and has reformed into transfer bed.Each is helped between the following sideslip road of arm group, horizontal block, mobile horizontal block has two leads to be implicative of each other.According to the sick bed patient's height situation to be shifted, arm group is helped to be moved left and right in transfer bed lengthwise location to oneself sometimes.When mobile, the mobile horizontal block for pushing away a side is drawn close, is close to, and pulls the subsequent mobile excessive vacancy filled up caused by mobile of mobile horizontal block of the opposing party.In most cases, it can be not move left and right respectively to help arm.Because helping the determination of arm group number, each helps position of the arm group on transfer bed is determined according to medium Short stature personnel high, and this installation site is suitable for higher or lower than not many personnel of medium height.Except especially high, the special short person an ancient official title of minority, remaining is not moved helps arm group.The top treadle 1 of pin, also becomes pushing hands 19 in Figure 5 in Fig. 1.The expansion link on the both sides of pushing hands 19 is arranged in front bezel, the corresponding guide pipe of rear frame, can be pulled out and be advanced.Taken on the expansion link on the both sides of pushing hands 19 and be placed with mobile horizontal block 11, between mobile horizontal block 11 and close horizontal block 10, between mobile horizontal block, between mobile horizontal block and pushing hands, there are two leads to involve together.When pushing hands 19 is pulled out, pull lead to affect mobile horizontal block to be displaced outwardly, transfer bed can be made elongated.When becoming transfer chair, pushed away in pushing hands, promote mobile horizontal block to draw close, make to lean against, pin is by shortening.

Fig. 6, Fig. 7, Fig. 8 are to help arm to inject the following operation principle explanatory diagram of human body.Here one that arm is constituted is helped to help arm group to be described with two, other related fittings are not drawn into.

1st, process is before helping the whole anterior insertion human body of arm below between bed surface：During human body recumbency, there is upward contraction-like inclined-plane human body side regardless of which position contacted with bed surface.K-K lines are two helps the initial of arm, i.e. initial position.For sake of convenience, from bottom to top help arm by No. 1, No. 2 numbering.In Fig. 6, No. 1 is helped arm 14 motionless.No. 2 are helped arm 14 to advance, and help in front the helping of arm to refer in 15 gap obliquely between insertion human body and bed surface, and such as No. 2 are helped the arm dotted line position helped after referring to advance in front.Help finger 15 to be rotated up in the case where helping finger oil cylinder 27 to act on immediately, lift, expand gap between human body and bed surface.Help finger motionless.In Fig. 7, No. 1 is helped arm to advance at once, and front is helped in the gap for referring to and inserting and expand, dotted line position after helping finger to advance such as No. 1.Finger is helped to rotate lift, the direction of arrow in such as Fig. 7 for No. 1 immediately.In Fig. 8, No. 2 are helped arm to advance, and help finger obliquely.Entirely arm front portion is helped to be all inserted into human body following.Above procedure can use manual control operation.2nd, the process after helping the whole anterior insertion human body of arm following is：Operating personnel can press autokeyer, and it is all to automatically control operation below to help arm to insert the following overall process of human body.Again described from Fig. 6, Fig. 7, Fig. 8.In Fig. 6, it is No. 2 and helps arm front portion to be already inserted into human body lower section, helps finger to go up and turn.No. 2 are helped the suitably upper lift of arm a bit, to helping arm to reserve appropriate point space between bed surface below, that is, set space.Lift human body motionless.In Fig. 7, No. 1 is helped arm to help under sensing, and advance setpoint distance is helped on finger and turned, and then, is helped arm to lift on the whole for No. 1 and is helped arm isometry position with No. 2, lifts human body motionless.In Fig. 8, No. 2 are helped arm to decline setpoint distance, help finger obliquely, proceed to setpoint distance, help arm to rise, and are helped on finger and are turned.Be later No. 1, No. 2 to help arm to replace rising to lift that human body is motionless, decline, advance, rising, help finger follow procedure advance turn at present obliquely, follow procedure is upper after rising turns, to help arm to be all inserted in human body following until whole.

Help the advance of arm is carried out after decline, is not contacted with human body, does not have sliding friction with human body.

Helping the control system of arm has manual control part and automatically controls part, and according to actual conditions, automatically controlling some processes of part can switch to control manually.The minor tick of beginning process one to three for helping arm to insert human body is inserted, and can use control manually.The single group of arm group is helped to insert one by one, or several groups are inserted together, also with control manually.When from the bed to transfer chair transporting patient during, when help arm it is anterior enter human body it is following after, help arm to fully enter under human body crack approach with automatically controlling operation.When from transfer chair to during sick bed transporting patient, respectively helping arm group to lift after patient is placed on the appropriate height and position in bed top, arm is helped to exit the overall process of human body, with automatically controlling operation.

It is that transfer bed is docked with sick bed and draws close situation map in Fig. 9.The gear switching of column 9 is following to front bezel.In order to drawing shows clearly, the gear column on rear frame also switching to following.Transfer chair has had changed into transfer bed.Arm group is respectively helped to be determined to help arm group in the position of transfer bed length direction according to the height situation of human body on sick bed 33 34.

It is to help arm that positive withdrawal transfer bed procedure chart after human body is lifted from sick bed in Figure 10.Arm of helping according to front injects the following process of human body, the manual control operation of operating personnel, and human necks, shoulders part can be individually operated, and remaining several position can simultaneously operate the lower section of reeve human body 34.Help arm to put down bed surface, but not press face, put down at the natural gap moved between human body and bed surface, suitably inject.Then help on finger and turn to expand gap, it is another to help arm to help finger to inject the gap for having expanded at once, it is more extending deeper.So, help arm alternately to inject for two, entirely help arm front end to be all inserted into human body following, press autokeyer, two help arm alternately on lift that human body is motionless, decline, advance, rising, help finger accordingly to rotate upwardly and downwardly, entirely help arm to be inserted into below human body.Each group helps arm automatic synchronization to rise, and lifts human body, after being automatically withdrawn into transfer bed top, helps under arm and drops on sideslip road.Human body is to be placed on by horizontal block, the bed surface for helping arm, mobile horizontal block to constitute.Lean against with pin relying part point adjustment angle to such as Fig. 1 positions, transfer chair.

Human body is transferred on sick bed from transfer chair, transfer chair is first adjusted to transfer bed, human body is lain on transfer bed.Transfer bed is docked with sick bed and is drawn close.Arm group is respectively helped synchronously to lift human motion to the appropriate height in sick bed top.Arm group is respectively helped to help arm alternately to lift motionless human body, decline, retreat, until all exiting human body lower section, human body is placed on one's sick bed.

Claims (10)

1. convenient transfer chair, mainly helps arm to be grouped into by chair body part, combination, it is characterised in that：

（1）, chair body part is made up of treadle, lifting column, foot stool, pushing hands, horizontal block, mobile horizontal block, gear column, front bezel, rear frame；

（2）, chair body part is divided into pin and leans on, mounting, leans against three sections；

（3）, lean against with pin by structure it is identical, be symmetrically hinged at the two ends of mounting；

（4）, mounting, lean against, pin is top is fixed with horizontal block, and be mounted with to move horizontal block；

（5）, combination help arm section by helping finger, helping arm, help arm group, help arm elevator apparatus, help arm propulsion plant, control system to constitute；

（6）, help finger be arranged on help arm front end；

（7）, help arm elevator apparatus to be made up of vertical balladeur train, vertical sliding block, hoist cylinder, fork handle；

（8）, help arm propulsion plant to be made up of smooth frame, sideslip road, frame sliding block, frame slideway, sprocket wheel, chain, motor；

（9）, that two sprocket wheels are arranged on sideslip road two is following；

（10）, the fixed below gear tooth of smooth frame through the notch in the middle of sideslip road, be inserted in the cuff link of sprocket wheel top chain；

（11）, help the advance of arm and retreat, by helping arm propulsion plant to complete, help the rise and fall of arm by helping arm elevator apparatus to complete；

（12）, one help arm group to help arm to merge by two to constitute；

（13）, combination help arm section be arranged on mounting, lean against, on the front bezel that pin is leaned on and rear frame；

（14）, when human body is transferred to from the bed on transfer chair, transfer chair is first become straight transfer bed, hold together to dock with bed mooring, help arm to put down bed surface and move to human body side, one of arm group is respectively helped to help the finger of helping of arm front end suitably to inject human body below and upper lift, expand the gap between human body and bed surface, another is helped the finger horse back reeve of helping of arm front end to lift expansion gap with suitably upper, whole is helped arm anterior all following into human body, every is helped arm alternately to lift human body motionless, decline, proceed to setpoint distance, rise, arm is helped all to be inserted into below human body, i.e. liftable human body, withdrawal is placed on transfer bed, adjustment is leaned against leans on angle with pin, transfer bed is become to shift chair；

（15）, by human body from convenient transfer chair be transferred on another specified bed when, gear column is turned to transfer chair front bezel following, transfer chair is become transfer bed, transfer bed is held together with specified bed mooring, the fully synchronized rising of arm group is helped, human body is lifted, smooth frame is moved on sideslip road, human motion to the appropriate height in specified bed top, the arm of helping of arm group is respectively helped alternately to lift human body, decline, retreat, until human body is placed on specified bed.

It is 2. according to claim 1 conveniently to shift chair, it is characterised in that：Vertical balladeur train is connected with smooth frame, orthogonal.

It is 3. according to claim 1 conveniently to shift chair, it is characterised in that：Help arm to have for each a set of independent to help arm elevator apparatus and help arm propulsion plant.

It is 4. according to claim 1 conveniently to shift chair, it is characterised in that：Smooth frame is arranged on sideslip road.

It is 5. according to claim 1 conveniently to shift chair, it is characterised in that：Sideslip road is connected with frame sliding block, orthogonal.

It is 6. according to claim 1 conveniently to shift chair, it is characterised in that：Frame sliding block is arranged on frame slideway.

It is 7. according to claim 1 conveniently to shift chair, it is characterised in that：Lean against between mounting, pin leans on and reclining apparatus are provided between mounting.

It is 8. according to claim 1 conveniently to shift chair, it is characterised in that：The need for according to transfer process orientation, leaning against can become pin and lean on, and pin is by that can become to lean against.

It is 9. according to claim 1 conveniently to shift chair, it is characterised in that：Sideslip road both sides are connected with mobile horizontal block.

It is 10. according to claim 1 conveniently to shift chair, it is characterised in that：Mounting is provided with lifting column and foot stool below.