CN2273996Y - Wheeled chair type nursing bed - Google Patents

Abstract

The utility model relates to a wheeled chair type nursing bed which can be changed into a wheeled chair used for patients with hemiplegia or long-term bedridden patients, belonging to the technical field of medical auxiliary apparatuses. The wheeled chair type nursing bed comprises a bed surface part, a double four-bar changing device, a combined closet, road wheels, etc. and is characterized in that the bed surface is divided into three segments; a worm screw 2 drives a worm wheel 3 which is a crank disk and is engaged with the worm screw 2 to rotate; therefore, a bed head body 9 is driven to turn over with an angle from 0 DEG to 90 DEG, and simultaneously, a bed tail body 6 is turn downwards with an angle from 0 DEG to 90 DEG for changing the wheeled chair type nursing bed into a wheeled chair.

Description

The wheel chair type nursing bed

A kind of wheelchair that can be transformed into, the wheel chair type nursing bed for hemiplegia or necessary long-term bed patient use belongs to medical care assistive device technical field.

At present, the sick bed kind that is used for medical and nursing work is a lot, but they all can not be transformed into wheelchair, does not possess people's bed colleague's function.Though and the wheelchair that the people with disability uses can be realized people's chair colleague, but do not possess the function of bed.

The purpose of this utility model is to overcome the deficiency of above-mentioned two series products, bed and wheelchair are combined, a kind of wheelchair that both can be transformed into is provided, possess the people's chair colleague door of being convenient to come in and go out and to be transformed into for the patient according to needs of patients again and to have a rest and the bed of defecation, be suitable for family, hospital and nursing house use.

This wheel chair type nursing bed comprises compositions such as bed surface, two four bar mapping devices, combination chamber pot and road wheel.Its main points are: bed surface is divided into three sections, head of a bed section is by head of a bed body 9 and both sides 11,11 ' hinged forming thereof, interlude is by intermediate 12 and both sides 13,13 ' hinged forming thereof, the tailstock section is by tailstock body 6 and both sides 15,15 ' hinged forming thereof, head of a bed body 9 also is hinged forming with intermediate 12 and intermediate 12 with tailstock body 6, the both sides 11,11 of its head of a bed body ' and tailstock body 15,15 ' both sides can flatten or turn over downwards by worm drive and turn 90 degrees, the both sides 13,13 ' also of intermediate can flatten or upwards turn over and turn 90 degrees the back and connect the location with pin; Crank disc 4, connecting rod 5, tailstock body 6, support (intermediate) 12 and crank disc 4, connecting rod 8, head of a bed body 9 supports 12 (intermediate) are formed two four bar mapping devices, it is that crank disc 4 rotates that worm screw 2 drives the worm gear 3 that is engaged with, thereby drive head of a bed body 9 and upwards overturn 0 degree, make tailstock body 6 upset downwards 0 degree to 90 degree make bed just be wheelchair simultaneously to 90 degree; The bed surface intermediate is provided with just hole 29, and side door is made up of last chamber pot 14 and following chamber pot 28 worm gear 32 driven opening that are meshed with worm screw 31, combination chamber pot.

Drawings and Examples:

Fig. 1 is the sketch map of wheel chair type nursing bed;

Fig. 2 is bed surface, edge-folding mechanism and the side door switching mechanism sketch map of wheel chair type nursing bed;

Fig. 3 is two four bar mapping devices and bed surface flanging view;

Fig. 4 is a m-m profile among Fig. 2;

Fig. 5 is a combination chamber pot schematic perspective view; (being the axonometric chart of upper and lower chamber pot)

Fig. 6 is the sketch map that is transformed into wheelchair;

Fig. 7 is an A-A profile among Fig. 2.

Accompanying drawing 1 is the disclosed embodiment of this utility model, and wheel chair type nursing bed bed surface is divided into three sections, and head of a bed section is by head of a bed body 9 and both sides 11,11 thereof ' form; Interlude is by intermediate 12 and both sides 13,13 thereof ' form; The tailstock section is by tailstock body 6 and both sides 15,15 thereof ' form; Head of a bed body 9 is hinged with intermediate 12 and intermediate 12 with tailstock body 6; The head of a bed this 9 with its both sides 11,11 ' and tailstock body 6 and its both sides 15,15 ' also be hinged, intermediate 12 and its both sides 13,13 ' except that with hinged, every limit also connect with it with two pins 34, so that both sides maintenance and intermediate 12 are at same horizontal plane; As Fig. 1, shown in 2, rotate handwheel 16, drive is fixed on the rope sheave 17 on the axle, 22 rotate, rope sheave 17 rotates by the nut 24 that 27 drives of restricting are fixed on the rope sheave 25, nut 24 respectively with two screw rods 26 that hand of helix is opposite, 26 ' connect, nut 24 rotates and makes screw rod 26,26 ' to overhanging, promote two limits 15 of tailstock body 6,15 ' rotate relative to tailstock body 6, when forwarding 90 degree to tailstock body 6 same planes, spacing by limited block 23, utilize helical rotation self-locking performance, tailstock limit 15,15 ' not can rotate automatically, rope sheave 22 rotations are simultaneously rotated by the nut 19 that 21 drives of restricting are fixed on the rope sheave 20, make and two opposite screw rods 18 of nut 19 connection hand of helixs, 18 ' to overhanging, promote two limits 11 of head of a bed body 9,11 ' rotate relative to head of a bed body 9, when forwarding 90 degree to head of a bed body 9 same planes, spacing by limited block 35, utilize the self-locking performance of worm drive, head of a bed body limit 11,11 ' can not rotate automatically; Shown in Fig. 3,7, intermediate 12 connects firmly with support 7, and support 7 is supported by driving wheel 36 and universal wheel 35 by the footpost 37,38 that connects firmly with it; For making head of a bed body 9 and 6 maintenances of tailstock body and intermediate 12 at same horizontal plane, head of a bed body 9 and tailstock body 6 are supported by connecting rod 8 and 5 respectively, connecting rod 8,5 is hinged with crank disc 4 respectively, crank disc 4 connects firmly with worm gear 3, worm gear 3 and worm screw 2 engagements, utilize worm geared self-locking performance, head of a bed body 9 and tailstock body 6 can not overturn automatically; So far equatorial horizontal plane of whole bed surface generate.

If when making as shown in Figure 2 open and flat bed surface be transformed into as shown in Figure 6 wheelchair: shown in Fig. 2,3,7, at first open two limits 13,13 of intermediate 12 ' two pins 34, make them upwards turn back 90, again pin 34 insert hole 7 on the supports 7 ' in, so that intermediate limit 13,13 ' maintenance upright position makes it become the handrail of wheelchair; Opposite direction is rotated handwheel 16 when secondly flattening with head of a bed body limit and tailstock body limit, the rope sheave 17,22 that is fixed on 16 on the handwheel is rotated, rope sheave 17 rotates by the nut 24 that 27 drives of restricting are fixed on the rope sheave 25, nut 24 makes screw rod 26,26 ' inside receipts, broaching machine urosome limit 15,15 ' newly turn 90 degrees respectively downwards.The rope sheave 22 of Zhuan Donging rotates by the helical 19 that 21 drives of restricting are fixed on the rope sheave 20 simultaneously, and connected screw rod 18,18 ' is also inwardly received, and broaching machine head body limit 11,11 ' 90 degree turn down; Rotate handwheel 1 at last, make with the worm gear 3 of this worm screw that connects firmly 2 drives with its engagement and rotate, the crank disc 4 that worm gear 3 drives connect firmly with it rotates, and is spent to 90 degree, so that the patient bends one's legs by 4,5,6 and 7 four-bar mechanisms drive tailstock body 6 upsets of forming downwards 0.Simultaneously make head of a bed body 90 degree that upwards overturns spend the backrest that becomes wheelchair to 90 by 4,8,9 and 7 another four-bar mechanisms of forming.Footpost 10 is sagging automatically by deadweight.So far be transformed into as shown in Figure 6 wheelchair by the bed shown in Fig. 1,2; When need are transformed into as Fig. 1 by wheelchair shown in Figure 6 again, equatorial when bed shown in 2, handwheel 1 is rotated in opposite turning to when at first becoming wheelchair with bed, as previously mentioned, worm screw 2 drives worm gear 3 and rotates, worm gear 3 drives the crank disc 4 that connects firmly with it and rotates, by 4,5,6 and 7 form four-bar mechanism makes tailstock body 6 upwards overturn 0 degree to 90 degree, simultaneously by 4,8,9 and 7 form another four-bar mechanism makes head of a bed body 9 upset downwards 0 degree to 90 degree, when head of a bed body 9 and tailstock body 6 go to intermediate 12 at same horizontal plane, by 10 horizontal position-limiting actions of footpost of opening automatically by deadweight.Utilize worm geared self-locking performance, tailstock body 6 can not overturn automatically; Open the limit by front narration process then, just get back to open and flat bed surface as shown in Figure 1, 2 again; Shown in Fig. 2,4, on intermediate 12, connect firmly chute board 40, chute board 40 is provided with just hole 29, in chute board 40 lower surface both sides respectively with bolt connect firmly two ladder bars 39,39 ', chute board 40 and ladder bar 39,39 ' two grooves of formation, as shown in Figure 5, the edge of last chamber pot 14 upper surfaces, insert in these two grooves, and can slide along chute board 40 with last chamber pot 14.Shown in Fig. 2,1, when need defecation, rotate handwheel 30 drives and connect firmly worm screw 31 rotations with it, open downwards thereby make worm gear 32 drives that are meshed with it connect firmly side door 33 with it.Rotate rope sheave 43 then, pull on chamber pot 14 and be moved to the left along chute board 40 by being fixed on rope 44 on the rope sheave 42, until last just aim at just hole 29 till.After an action of the bowels, rotate rope sheave 43, walk around rope sheave 41 and pull on chamber pot 14 and move right, leave just hole 29 fully until chamber pot along chute board 40 by being fixed on rope 42 on the rope sheave 43 with aforementioned opposite direction.Handwheel 30 is rotated in opposite turning to during at last again with unlatching side door 33, by worm gear 31 worm gear 32 that is meshed is with it rotated, make the side door 33 that connects firmly with it close just hole 29, utilize Self-locking of Worm Transmission, side door can not opened automatically, be enclosed in up and down chamber pot feces, treat that the nursing staff takes out time chamber pot 28 and turns over a heap of manure or a compost heap and pile it up afresh just from the groove of last chamber pot 14, be inserted into again after in the groove of chamber pot 14 and treat next reuse.

The characteristics of this wheelchair-type nursing bed are to realize the conversion of bed and wheelchair, it except have wheelchair and bed Outside the advantage, and easy to operate, both alleviated nursing staff's workload, provide bigger for the patient again Activity space, as except to seeing TV, have a meal and talk in other room, the outdoor activities that also can take a lift, Bring great convenience for patient's treatment, physical and mental health and life.

Claims (3)

1, a kind of wheel chair type nursing bed comprises bed surface, two four bar mapping devices, compositions such as combination chamber pot and road wheel, and it is characterized in that: bed surface is divided into three sections; Crank disc 4, connecting rod 5, tailstock body 6, support (intermediate) 12 and crank disc 4, connecting rod 8, head of a bed body 9, support (intermediate) 12 are formed two four bar mapping devices, it is that crank disc rotates 4 that worm screw 2 drives the worm gear 3 that is engaged with, thereby drive head of a bed body 9 and upwards overturn 0 degree, make tailstock body 6 upset downwards 0 degree to 90 degree make bed become wheelchair simultaneously to 90 degree.

2, wheel chair type nursing bed according to claim 1, it is characterized in that: head of a bed section is by head of a bed body 9 and both sides 11 thereof, 11 ' hinged forming, interlude is by intermediate 12 and both sides 13 thereof, 13 ' hinged forming, the tailstock section is by tailstock body 6 and both sides 15 thereof, 15 ' hinged forming, head of a bed body 9 also is hinged forming with intermediate 12 and intermediate 12 with tailstock body 6, the both sides 11 of its head of a bed body, 11 ' and the both sides 15 of tailstock body, l5 ' can be flattened or be turned over downwards and turn 90 degrees by worm drive, the both sides 13 of intermediate, 13 ' also can flatten or upwards turn over turn 90 degrees after, connect the location with pin.

3, wheel chair type nursing bed according to claim 1 is characterized in that: the bed surface intermediate is provided with just hole, side door by worm gear 32 driven opening that are meshed with worm screw 31, and the combination chamber pot is made up of last chamber pot 14 and following chamber pot 28.

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