CN100563612C

CN100563612C - Walking multifunction nursing bed

Info

Publication number: CN100563612C
Application number: CNB2006100194479A
Authority: CN
Inventors: 李智祥; 李晨光; 文小军; 柳永峰; 李海亮; 邹卫华
Original assignee: Wuhan University of Technology WUT
Current assignee: Wuhan University of Technology WUT
Priority date: 2006-06-23
Filing date: 2006-06-23
Publication date: 2009-12-02
Anticipated expiration: 2026-06-23
Also published as: CN1872012A

Abstract

The present invention is a kind of walking multifunction nursing bed, and it is made up of nursing bed, wheelchair (3) and motor drive mechanism (6); The bedstead of nursing bed (1) is a U-shaped; Motor drive mechanism comprises motor (11) and is made up of the drive mechanism of its driving, the lifting of its control wheelchair, and the crane (8) that is hinged of control and bedstead and the rollover of support (17); When using as nursing bed, wheelchair is positioned in the middle of the U-shaped gap of bedstead, at this moment, the big small wheels of wheelchair is in respectively and lands, liftoff state, the side handrail of wheelchair (4) rollover is turned over behind the backrest of wheelchair (26) on crane and is constituted the part of nursing bed bed board with the wheel chair seat board that rises on support (17); Under the reverse action of motor drive mechanism, each parts of above-mentioned wheelchair reset, and this moment, wheelchair can break away from bedstead.The present invention has the function of nursing bed and wheelchair, and it can help, and patient turns on one's side, the seat of upper body crouches, make things convenient for patient to carry out excrement and urine and outdoor activity.

Description

Walking multifunction nursing bed

Technical field

The present invention relates to medical instruments field, particularly a kind of walking multifunction nursing bed.

Background technology

At present, the function that the general sick bed that patient lives in hospital all is short of a lot of patient and is required, for example, the patient who has just finished operation can not carry out significantly body kinematics, saying nothing of toilet carries out excrement and urine, therefore, must have diet that special personnel attend to the patient, stand up and carry out excrement and urine etc.For not being the family that is flush with money, they generally are that the family circle takes turns to look after, but everyone has the thing that oneself will do, if the energy of Hua Taida attends to the patient, not only other thing is done well, even the body of oneself also is unable to stand; For those rich families, they may be ready to spend some money, employ a people to look after the sick household that controls oneself specially, but the time grown, this also can be a very big spending.In addition, some disabled patient, they need go out the open air when having a breath of fresh air, and also must join a wheelchair again, and bed and wheelchair can take the very large tracts of land of hospital together like this, are unfavorable for the hospitalize of other disease.

Though at present domestic also have some can help patient to carry out the pitching of the head of a bed, other is provided with the multifunction nursing bed of functions such as nurse call function, amusement function and liquid crystal display, and price is all very expensive, and this is not that general patient can afford.This shows that the defective of present nursing bed is: otherwise function is incomplete, does not reach the labor intensity that reduces the nursing staff; Be exactly to cost an arm and a leg, do not reach and reduce the purpose that nurse fees is used.

Summary of the invention

Technical problem to be solved by this invention is: provide a kind of walking multifunction nursing bed, so that reduce nursing cost, alleviate nursing staff's labor intensity and patient's burden, and help rehabilitation of patients.

The present invention solves its technical problem and adopts following technical scheme: be made up of nursing bed, wheelchair and motor drive mechanism; The bedstead of nursing bed is a U-shaped; Motor drive mechanism comprises motor and is made up of the drive mechanism of its driving, the lifting of its control wheelchair, and the crane that is hinged of control and bedstead and the rollover of support; When using as nursing bed, wheelchair is positioned in the middle of the U-shaped gap of bedstead, at this moment, the big small wheels of wheelchair is in respectively and lands, liftoff state, the rollover of the side handrail of wheelchair is turned over behind the backrest of wheelchair on crane and is constituted the part of nursing bed bed board with the wheel chair seat board that rises on support; Under the reverse action of motor drive mechanism, each parts of above-mentioned wheelchair reset, and this moment, wheelchair can break away from bedstead, recovered the function of wheelchair.

The present invention compared with prior art has following main advantage:

One. this nursing bed is novel.It drives the motion of four push rods by a motor, can realize the pitching of the head of a bed, the rollover of bed both sides respectively, and the rising or the decline of wheel seat base, uses simple theory of mechanics, has just realized complicated motion.Simultaneously, it also combines bed and wheelchair, has both reduced floor space, has saved nursing cost again.

They are two years old. and have multiple function, practical: can not only help patient to turn on one's side, the seat of upper body crouches, and can also make things convenient for patient to carry out excrement and urine.After bed became wheelchair, patient can also go to carry out that some are simply movable to outdoor.In addition, also increased functions such as being used for handling official business, have a meal, listen to the music and providing illumination.The realization of these functions, usefulness all be some common principles, common material has alleviated nursing staff's labor intensity greatly and has reduced nursing cost.

They are three years old. and rational in infrastructure, make easily.

Description of drawings

Fig. 1 is a structural representation of the present invention.

Fig. 2 is the vertical view of Fig. 1.

Fig. 3 is that enlarged drawing is looked on the right side of Fig. 1.

Fig. 4 is the sketch map of drive mechanism of the present invention, and this figure shows its transmission mechanism figure, and four push rods are not by rounded projections arranged.

Fig. 5 is a wheelchair side structure sketch map, does not draw big small wheels, so that figure is succinct.

Fig. 6 is that wheel chair back 26 and side handrail 4 are by linking up with 28 sketch maps that are connected.

Fig. 7 is the axle 30 of the larger wheels sketch map during with the lifting of trapezoid support 29.

Among the figure: 1. bedstead; 2. bed rest; 3. wheelchair; 4. side handrail; 5. small wheels; 6. motor drive mechanism.

Among Fig. 2: 7. head board; 8. crane; 9. side door; 10. tailstock plate; 11. motor; 12. belt; 13. bearing block; 14. the push rod of driving wheel chair seat board; 15. drive the push rod of crane; 16. the push rod of driving arm 17; 17. support; 18. conduit; 19. slide block; 20. band iron.

Among Fig. 3: 21. angle steel; 22. nut

Among Fig. 4: 23. travel switches; 24. electromagnetic clutch; 25. power transmission shaft.

Among Fig. 5: 26. backrests; 27. notch; 28. hook; 29. trapezoid support; 30. the axle of larger wheels; 31. cylindrical slide.32. go-cart handrail; 33. pipe; 34. chute

The specific embodiment

The present invention is different from prior art, is a kind of walking multifunction nursing bed, its structure such as Fig. 1, Fig. 2 and shown in Figure 3: be made up of nursing bed, wheelchair 3 and motor drive mechanism 6.The bedstead 1 of nursing bed is a U-shaped.Motor drive mechanism comprises motor 11 and is made up of the drive mechanism of its driving, the lifting of its control wheelchair, and the crane 8 that is hinged of control and bedstead and the rollover of support 17; When using as nursing bed, wheelchair is positioned in the middle of the U-shaped gap of bedstead, at this moment, the big small wheels of wheelchair is in respectively and lands, liftoff state, side handrail 4 rollover of wheelchair is turned over behind the backrest 26 of wheelchair on crane 8 and is constituted the part of nursing bed bed board with the wheel chair seat board that rises on support 17; Under the reverse action of motor drive mechanism, each parts of above-mentioned wheelchair reset, and this moment, wheelchair can break away from bedstead, recovered the function of wheelchair.

Referring to Fig. 2, Fig. 3 and Fig. 4: above-mentioned drive mechanism is provided with four upright push rods that are triangularly arranged, every push rod is made up of the power transmission shaft 25, electromagnetic clutch 24 and the screw mandrel that connect successively, the belt pulley that the power transmission shaft bottom is equipped with bearing block 13 and is attached thereto is equipped with nut 22 on the screw mandrel body of rod; In four push rods, the push rod 14 of a driving wheel chair seat board is positioned at leg-of-mutton top, its belt pulley belt pulley by a root bark band and motor 11, belt pulley of push rod 15 of being positioned at the driving crane at triangle middle part respectively links to each other, and push rod 15 links to each other by the belt pulley of a root bark band with the push rod 16 of two driving arms 17 that are positioned at leg-of-mutton rear end respectively again.Belt 12 can be selected A type belt.

Because the degree of accuracy of transmission generally is not very high, the measure that can take is: calculate the lift of each rhizoid bar at first respectively, choose suitable belt pulley and gear ratio then thus.

Mutual transformation process between bed and the wheelchair is as follows: wheelchair itself is be embedded in bed intermediary, when needs become wheelchair and go out, started the button of facing upward of the head of a bed before this, after making the head of a bed be raised to correct position, press the base decline button of wheelchair again, after base comes to a complete stop, the people manual with embedding wheelchair two side handrail pull-ups in bed, and backrest 26 and side handrail 4 connected together by linking up with 28.At last three blocks of plates of tailstock are picked up and put aside, just can allow wheelchair go out.After patient finishes outdoor activities, get back to when bed last, before this wheelchair was retreated and entered in the middle of the lathe bed, press the rising button subsequently, make the wheel seat base rise to bed concordant after, the hook between backrest and handrail is drawn back, allow backrest swing to the head of a bed, two side handrails embed in the bed, press the head of a bed button of bowing at last, and it is whole that bed is flattened.

See Fig. 5, Fig. 6: above-mentioned backrest 26 can link to each other with the side handrail 4 on wheelchair both sides by hinged two hooks with it 28, and it is uprightly or heeling condition.When hook 28 broke away from side handrail 4, this hook was received in the open slot 27 of go-cart handrail 32.

Referring to Fig. 1, Fig. 5, Fig. 7: small wheels 5 is contained in the front end of trapezoid support 29, and the pipe 33 of this back-end support interlocks with the body of rod activity of go-cart handrail 32.The axle 30 of larger wheels links to each other with a cylindrical slide 31 by engage thread, and this cylindrical slide slides up and down along the notch 34 of pipe 33, has also just realized the lifting of small wheels.

The convenient bedpan that takes out can be installed below the seat of wheelchair 3.This bedpan can make things convenient for patient to carry out excrement and urine, and is with plastic bag in the bedpan, makes things convenient for the processing of feces.When patient needs at one's leisure, only need the uppermost one deck cotton-padded mattress of wheelchair is taken away.

Bedstead 1 of the present invention, its structure such as Fig. 1, Fig. 2 and shown in Figure 3: four cabinet bases can adopt square steel or round steel to make.Below tailstock portion, available thin type band iron 20 welds together the both sides frame bottom of bedstead, so that make the U-shaped bedstead firm, and does not influence the turnover of wheelchair again.The side door 9 of beautifying functions has been housed at two side stands of bedstead.Be provided with the head board 7 that rests bedstead near bed rest 2 places.In the inboard of bedstead, the angle steel 21 that is attached thereto is equipped with on its both sides, so that tailstock plate 10 rests on its base; , be equipped with and the vertical angle steel that links to each other 21 (see figure 3)s in the inboard both sides of bedstead, near head board 7 places at these two angle steel 21 so that crane 8 rests on its base.

Switch enclosure (not drawing) is housed on the head of a bed of nursing bed, and the button of its setting comprises: the button of control music and desk lamp switch, the button of control crane 8 and support 17 rollovers, the travel switch 23 that control cylindrical slide 31 slides up and down.In this, realize the pitching of the head of a bed, the rollover of bed both sides, and which function in the rise and fall of wheel seat base just can be pressed which button of the head of a bed, make motor 11 drive drive mechanisms, realize this function.

Referring to Fig. 2: two supports 17, its inner side edge and bedstead inner side edge are hinged, and a conduit 18 and the slide block 19 that interlocks of slip with it respectively are equipped with in its back side near head board 7 places, and slide block 19 links to each other with nut 22 on push rod 16 screw mandrels by pole.So when nut 22 rose or descends, pole drove slide block 19 corresponding sports, then support 17 drives are upwards dug or are turned on one's side on bedstead downwards.When support 17 is upwards dug, can promote upwards digging of side handrail 4.

Additional function of the present invention as: listen to the music, illumination only need click the corresponding button of the head of a bed and get final product.What should propose at last is to put a plank on the guardrail of tailstock, can also be used to office, has a meal etc.

Below in conjunction with description of drawings work process of the present invention:

Referring to Fig. 1: connect trapezoid support 29 lifting within the specific limits of small wheels 5.When push rod 14 during trapezoid support 29 jack-up, the wheelchair larger wheels can keep the close proximity to ground state.When the seat board of wheelchair is concordant with bed surface, put down as shown in Figure 5 hook 28 by patient, the side handrail 4 of the backrest 26 of wheelchair and wheelchair all can embed in the bedstead 1 smoothly like this.When patient uses wheelchair, can use Fig. 3 and motor drive mechanism shown in Figure 4 backrest and side handrail jack-up earlier, finishing mechanism shown in Figure 6 by hand by patient connects, controlling push rod 14 then slowly falls the wheel chair seat board, wheelchair just can break away from a body smoothly like this, and patient has only finished very little part workload in power.

Referring to Fig. 5: when wheelchair will be gone out, wheel chair back 26 and side handrail 4 rose, and when reaching suitable position, put down and hooked side handrail linking up with 28, and side handrail and backrest just have been fixed like this, and wheelchair is just finished and assembled.

Referring to Fig. 5: cylindrical slide 31 drives small wheels 5 and slides up and down in trapezoid support 29 tubular structures, cooperates combining of bed and wheelchair.In addition, 4 degree of freedom the pipe 33 except that around trapezoid support that cylindrical slide 31 has limited larger wheels rotates and moves, and limited with 30 sleeve that are threaded of larger wheels around the degree of freedom that pipe rotates, so trapezoid support can only slide up and down.

Referring to Fig. 3 and Fig. 4: motor 11 drives belt pulleys by belt 12, and the power transmission shaft 25 of

push rod

14,15 and 16 is rotated.When electromagnetic clutch 24 is controlled to tight lock state by travel switch 23, power transmission shaft rotates the screw mandrel that drive is attached thereto together, nut 22 on the screw mandrel is moved up and down, at this moment, the pole that links to each other with nut 22 (draw) moving up and down or the rollover campaign of crane 8, support 17 of driven wheel chair seat board then.When electromagnetic clutch 24 was controlled to open state by travel switch, screw mandrel and power transmission shaft were in released state, and screw mandrel no longer rotates, and nut 22 also no longer moves up and down.By the control motor clockwise or rotate counterclockwise, just can to control nut be upwards or move downward, and also just controlled the motion of taking turns chair seat board, crane 8, support 17.

Claims

One kind walking multifunction nursing bed, comprise nursing bed, it is characterized in that: walking multifunction nursing bedly form by nursing bed, wheelchair (3) and motor drive mechanism (6); The bedstead of nursing bed (1) is a U-shaped; Motor drive mechanism comprises motor (11) and is made up of the drive mechanism of its driving, the lifting of its control wheelchair, and the crane (8) that is hinged of control and bedstead and the rollover of support (17); When using as nursing bed, wheelchair is positioned in the middle of the U-shaped gap of bedstead, at this moment, the big small wheels of wheelchair is in respectively and lands, liftoff state, the side handrail of wheelchair (4) rollover is turned over behind the backrest of wheelchair (26) at crane (8) and is gone up and constitute the part of nursing bed bed board with the wheel chair seat board that rises on support (17); Under the reverse action of motor drive mechanism, each parts of above-mentioned wheelchair reset, and this moment, wheelchair can break away from bedstead, recovered the function of wheelchair.
2. according to claim 1 multifunction nursing bed, it is characterized in that: drive mechanism is provided with four upright push rods that are triangularly arranged, it is made up of the power transmission shaft (25), electromagnetic clutch (24) and the screw mandrel that connect successively, belt pulley is equipped with in the power transmission shaft bottom, and nut (22) is housed on the screw mandrel body of rod; In four push rods, the push rod of a driving wheel chair seat board (14) is positioned at leg-of-mutton top, its belt pulley belt pulley by a root bark band and motor (11), belt pulley of push rod (15) of being positioned at the driving crane at triangle middle part respectively links to each other, and the push rod (15) of driving crane links to each other by the belt pulley of a root bark band with the push rod (16) of two driving arms (17) that are positioned at the triangle rear end respectively again.
3. according to claim 1 multifunction nursing bed, it is characterized in that: backrest (26) links to each other with the side handrail (4) on both sides by hinged with it hook (28).
4. according to claim 3 multifunction nursing bed, it is characterized in that: backrest (26) is upright or heeling condition.
5. according to claim 1 multifunction nursing bed, it is characterized in that: small wheels (5) is contained in the front end of trapezoid support (29), and the pipe of this back-end support (33) is hinged with the body of rod of go-cart handrail (32); The axle of larger wheels (30) links to each other with a cylindrical slide (31) by engage thread, and this cylindrical slide slides up and down along the notch (34) of pipe (33).
6. according to claim 5 multifunction nursing bed, it is characterized in that sliding up and down of cylindrical slide (31) by travel switch (23) control, the trip switch is contained on the switch enclosure on the head of a bed of nursing bed.
7. according to claim 6 multifunction nursing bed, it is characterized in that also being provided with on the switch enclosure: the button of control music and desk lamp switch, the button of control crane (8) and support (17) rollover.
8. according to claim 1 multifunction nursing bed, it is characterized in that: the convenient bedpan that takes out is installed below the seat of wheelchair (3).