CN111743707A - A detachable and convenient transfer hospital bed - Google Patents

Abstract

The invention discloses a detachable convenient transfer sickbed which comprises a bedstead and a folding wheelchair, wherein the folding wheelchair is arranged in the middle of the bedstead and comprises a wheelchair support, a lifting mechanism, a detachable cushion mechanism, two handrails and an adjustable backrest mechanism, the lifting mechanism comprises two groups of upper and lower U-shaped sheets, two groups of link mechanisms, two pairs of pin shaft groups, two pairs of drilling pin shaft groups, two screws, two gears, two pairs of nut groups, two pairs of sliding bearing groups, a hand wheel and a transmission shaft, the detachable cushion mechanism comprises two cushion blocks, a plurality of manual spring locks and a cushion, and the adjustable backrest mechanism comprises a backrest, two supporting steel plates and two supporting pin shafts. The invention can be convenient for the patient to transfer from the bed to the wheelchair and for the patient to go to the toilet, and reduces the workload of nursing staff.

Description

A detachable and convenient transfer hospital bed

technical field

The invention relates to a detachable and convenient transfer hospital bed, which belongs to the technical field of medical care equipment.

Background technique

With the further deepening of our country's aging, and our country has the largest number of stroke patients in the world, there are many people who have lost basic mobility, and these people's needs for medical care equipment are gradually increasing. Currently, the commonly used hospital beds can Achieving the bending of half of the bed is convenient for patients to eat or other activities, but transferring patients to a wheelchair or helping patients to go to the toilet requires the participation of more than two nursing staff, and the process is laborious and time-consuming. At present, a toilet is also installed directly at the lower part of the hospital bed, but this will cause many hygienic problems, and the generated odor is difficult to solve.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a detachable and convenient transfer bed, which can facilitate the transfer of the patient from the bed to the wheelchair, facilitate the patient's toileting, and reduce the workload of the nursing staff.

To achieve the above object, the present invention adopts the following technical solutions to realize:

The invention provides a detachable and convenient transfer hospital bed, which includes a bed frame and a folding wheelchair. The folding wheelchair is placed in the middle of the bed frame. The folding wheelchair includes a wheelchair bracket, a lifting mechanism and a detachable cushion mechanism. Both sides of the lower part of the mechanism are fixedly connected;

The lifting mechanism includes two sets of upper and lower U-shaped pieces, two sets of connecting rod mechanisms, two pairs of pin shaft sets, two pairs of drilled pin shaft sets, two screw rods, two gears, two pairs of nut sets, two pairs of sliding bearing sets, manual Wheels and drive shafts, each set of linkages includes first and second link pairs, each pair of pins includes first, second, third and fourth pins, and each pair of drilled pins includes first and a second drilling pin, each pair of nut groups includes first and second nuts, and each pair of sliding bearing groups includes first and second sliding bearings;

One end of each screw with a continuous forward thread passes through the first nut, the through hole of the first pin, the first sliding bearing and the first drilled pin, and the other end of each screw with a continuous counter-rotation thread passes through A bevel gear is connected through the second nut, the through hole of the second pin, the second sliding bearing and the second drilling pin, and the outer surface of the first nut is connected with the inner surface of the through hole of the first pin. The outer surface of the second nut is connected with the inner surface of the through hole of the second pin shaft, each gear meshing with the corresponding bevel gear is arranged on the transmission shaft, and the handwheel is arranged at one end of the transmission shaft; one side of the U-shaped piece on each group It is connected with the other side through the first drilling pin and the second drilling pin. One side and the other side of the lower U-shaped piece of each group are connected by the third pin and the fourth pin. The first pin and the The third pin shaft is connected by the first connecting rod pair, and the second pin shaft and the fourth pin shaft are connected by the second connecting rod pair;

The two sides of the lower part of the detachable seat cushion mechanism are respectively fixed to the two sides of the upper part of the lifting mechanism. The detachable seat cushion mechanism includes two cushion blocks, a plurality of manual spring locks and a cushion, and the outer side of each cushion block is connected to the bed through the corresponding manual spring locks. The inner side of each cushion block is provided with guide rails, and the opposite corners on both sides of the seat cushion are connected with pulleys. The seat cushion is connected with the bed frame through the buckles on both sides, the seat cushion includes a detachable round cover, a horizontal shaft is arranged on the outer edge of the detachable round cover, and both ends of the horizontal shaft are respectively connected with the edge of the seat cushion.

Further, the folding wheelchair also includes two handrails, two positioning rings and the limit blocks of each handrail are respectively connected outward on both sides of the upper part of the lifting mechanism. The shape of the two ends of the block is the same as the shape of the corresponding two positioning rings, and the two ends of the limit blocks of each handrail are respectively inserted into the corresponding two positioning rings.

Further, the folding wheelchair also includes an adjustable backrest mechanism, the adjustable backrest mechanism includes a backrest, two support steel plates and two support pins, and the detachable seat cushion mechanism also includes a crossbar, the two ends of the crossbar are respectively connected with the two pads. Blocks are connected, each supporting steel plate is welded with the corresponding cushion block, each supporting steel plate is connected with the backrest through the corresponding supporting pin shaft, the backrest is provided with an adjusting ring, the cross bar is connected with a supporting block, and the adjusting ring is stuck in the supporting block.

Further, the lifting mechanism also includes two pairs of support plate groups, each pair of support plate groups includes a first and a second support plate, the two ends of the first pin shaft are respectively connected with the protrusions at both ends of the first support plate, and the two The ends are respectively connected with the protrusions at both ends of the second support plate.

Further, the bed frame is welded by steel pipes, and the bottom of the bed frame is provided with bed frame casters.

Further, the wheelchair bracket includes a steel tube bracket and wheelchair casters, the steel tube bracket is welded by bending a steel tube, and the wheelchair caster is placed at the bottom of the steel tube bracket.

Compared with the prior art, the beneficial effects achieved by the present invention at least include:

Since the folding wheelchair is located in the middle of the hospital bed, the patient sits up just above the seat cushion, then open the manual spring lock and release the buckle, so the folding wheelchair can be pulled out, which is convenient for the patient to transfer from the bed to the wheelchair;

When the patient wants to go to the toilet, first remove the detachable round cover, and then shake the handwheel on one end of the transmission shaft, so that each gear on the transmission shaft drives the corresponding bevel gear to rotate, and each bevel gear drives the corresponding screw to rotate. One end of the continuous forward thread passes through the first nut, the through hole of the first pin and the first drilled pin, and the other end of each screw with continuous counter-rotation thread passes through the second nut, the second pin Therefore, the first nut and the second nut move in opposite directions along the screw, and the outer surface of the first nut is connected to the inner surface of the through hole of the first pin, and the outer surface of the second nut is connected The surface is connected to the inner surface of the through hole of the second pin, the first pin and the third pin are connected by the first link pair, and the second pin and the fourth pin are connected by the second link pair, so The first connecting rod pair driven by the first nut rotates in the opposite direction around the first pin shaft and the third pin shaft and the second connecting rod pair driven by the second nut rotates in the opposite direction around the second pin shaft and the fourth pin shaft. Lower the foldable wheelchair to a suitable height, which is convenient for patients to go to the toilet and reduces the workload of nursing staff;

When the patient wants to transfer from the bed to the foldable wheelchair, first adjust the adjustment ring of the backrest so that the backrest is lifted to a comfortable angle for the patient, clamp the adjustment ring in the support block to fix it, and lift the patient up. When the two positioning rings are rotated until each armrest and the seat cushion form a right angle of 90 degrees, the two ends of the limit blocks of each armrest are just caught in the corresponding two positioning ring gaps, so that each armrest is fixed by the corresponding two positioning rings, thus Protect patient safety.

Description of drawings

1 is a schematic diagram of the overall structure of a detachable and convenient transfer hospital bed provided by an embodiment of the present invention;

2 is a schematic diagram of a split structure of a detachable convenient transfer hospital bed provided by an embodiment of the present invention;

3 is a schematic structural diagram of a folding wheelchair according to an embodiment of the present invention;

4 is a schematic structural diagram of a lifting mechanism according to an embodiment of the present invention;

5 is a schematic diagram of the installation of the lifting mechanism according to the embodiment of the present invention;

6 is another schematic diagram of installation of the lifting mechanism according to the embodiment of the present invention;

7 is a schematic structural diagram of a wheelchair support according to an embodiment of the present invention;

8 is a schematic structural diagram of a detachable seat cushion mechanism according to an embodiment of the present invention;

9 is a schematic diagram of the installation of the detachable seat cushion mechanism according to the embodiment of the present invention;

FIG. 10 is a schematic diagram of a folding armrest according to an embodiment of the present invention;

11 is a schematic diagram of the use of the handrail according to the embodiment of the present invention;

12 is a schematic structural diagram of a backrest according to an embodiment of the present invention;

FIG. 13 is another schematic structural diagram of the backrest according to the embodiment of the present invention.

In the picture: 1. Bed frame; 2. Folding wheelchair; 3. Bed frame casters; 4. Lifting mechanism; 5. Removable cushion mechanism; 6. Armrest; 7. Adjustable backrest mechanism; 8. Transmission shaft; 9. Hand wheel; 10, the first pin; 11, the first connecting rod pair; 12, the upper U-shaped piece; 13, the bevel gear; 14, the first drilling pin; 15, the screw; 16, the second support plate; 17 , the first sliding bearing; 18, the second nut; 19, the wheelchair bracket; 20, the manual spring lock; 21, the detachable round cover; 22, the seat cushion; 23, the pulley; 24, the guide rail; ring; 27, supporting steel plate; 28, supporting block; 29, adjusting ring.

Detailed ways

The present invention will be further described below in conjunction with the accompanying drawings. The following examples are only used to illustrate the technical solutions of the present invention more clearly, and cannot be used to limit the protection scope of the present invention.

It should be noted that, in the description of the present invention, the orientation or positional relationship indicated by the terms "upper" and "lower" is based on the orientation or positional relationship shown in the drawings, and the terms "inner" and "outer" respectively refer to The direction toward or away from the geometric center of a specific component is only for the convenience of describing the present invention rather than requiring the present invention to be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present invention.

As shown in FIGS. 1 to 13 , a detachable and convenient transfer hospital bed provided by an embodiment of the present invention includes a bed frame 1 and a folding wheelchair 2 . The folding wheelchair 2 is placed in the middle of the bed frame 1 , and the folding wheelchair 2 includes a wheelchair bracket 19 , the lifting mechanism 4 and the detachable cushion mechanism 5, three bolts are respectively provided on both sides of the wheelchair bracket 19, and the two sides of the wheelchair bracket are fixedly connected with the lower part of the lifting mechanism 4 through the corresponding three bolts respectively;

The lifting mechanism 4 includes two sets of upper and lower U-shaped pieces, two sets of connecting rod mechanisms, two pairs of pin shaft sets, two pairs of drilled pin shaft sets, two screw rods, two gears, two pairs of nut sets, two pairs of sliding bearing sets, The handwheel 9 and the transmission shaft 8, in this embodiment, the U-shaped sheet is made of U-shaped aluminum sheet, each group of link mechanisms includes first and second link pairs, and each pair of pin shaft groups includes first, second, The third and fourth pin shafts, each pair of drilled pin shaft sets includes first and second drilled pin shafts, each pair of nut sets includes first and second nuts, and each pair of sliding bearing sets includes first and second sliding bearings bearing;

Each screw 15 has one end of a continuous forward thread thread passing through the first nut, the through hole of the first pin 10, the first sliding bearing 17 and the first drilled pin 14, and each screw 15 has a continuous reverse rotation The other end of the thread passes through the second nut 18, the through hole of the second pin, the second sliding bearing and the second drilled pin, and is connected with the bevel gear 13. The outer surface of the first nut and the first pin 10 pass through The inner surface of the hole is attached and connected, the outer surface of the second nut 18 is attached to the inner surface of the through hole of the second pin shaft, each gear meshing with the corresponding bevel gear 13 is arranged on the transmission shaft 8, and the handwheel 9 is arranged on the transmission shaft. One end of the shaft 8; one side and the other side of the upper U-shaped piece 12 of each group are connected by the first drilling pin 14 and the second drilling pin, and one side and the other side of the lower U-shaped piece of each group are connected by the first drilling pin 14 and the second drilling pin. The three pins are connected with the fourth pin, the first pin 10 and the third pin are connected by the first connecting rod pair 11, and the second pin and the fourth pin are connected by the second connecting rod pair;

The two sides of the lower part of the detachable seat cushion mechanism 5 are fixedly connected with the two sides of the upper part of the lifting mechanism 4 respectively. The detachable seat cushion mechanism 5 includes two cushion blocks, four manual spring locks and a cushion, and the outer side of each cushion block 25 passes through the corresponding two. Each manual spring lock 20 is connected to the bed frame 1, so that each cushion block 25 is fixed, the inner side of each cushion block 25 is provided with guide rails, the opposite corners on both sides of the seat cushion 22 are connected with pulleys, and the pulleys 23 are snapped into corresponding In the guide rail 24 and along the guide rail 24, it is clamped at the end of the guide rail 24. There are buckles on both sides of the seat cushion 22. The seat cushion 22 is connected with the bed frame 1 through the buckle rings on both sides, so that the seat cushion 22 is fixed. The dome cover 21 is provided with a horizontal shaft on the outer edge of the detachable dome cover 21. The two ends of the horizontal shaft are respectively connected to the edge of the seat cushion 22. The detachable dome cover 21 can be removed by removing the horizontal shaft.

The folding wheelchair 2 also includes two handrails, and two positioning rings 26 and the limit blocks of each handrail 6 are respectively connected outward on both sides of the upper part of the lifting mechanism 4. The two positioning rings 26 are both provided with the same gap, and each handrail 6 The shape of the two ends of the limit block is the same as the notch shape of the corresponding two positioning rings 26 , and the two ends of the limit block of each handrail 6 are respectively inserted into the corresponding two positioning rings 26 .

The folding wheelchair 2 also includes an adjustable backrest mechanism 7, which includes a backrest, two support steel plates 27 and two support pins, and the detachable seat cushion mechanism 5 also includes a crossbar, the two ends of the crossbar are respectively connected with the two Each support plate 27 is welded with the corresponding cushion block 25, and each support steel plate 27 is connected with the backrest through the corresponding support pin, the backrest is provided with an adjustment ring 29, and the cross bar is connected with a support block 28, the adjustment ring 29 is stuck in the support block 28.

The lifting mechanism 4 also includes two pairs of support plate groups, each pair of support plate groups includes a first and a second support plate, the two ends of the first pin shaft 10 are respectively connected with the protrusions at both ends of the first support plate, and the two ends of the second pin shaft are respectively connected. They are respectively connected with the protrusions at both ends of the second support plate 16 .

The bed frame 1 is welded by steel pipes, and the bottom of the bed frame 1 is provided with bed frame casters 3 to facilitate the transfer of the hospital bed.

The wheelchair bracket includes a steel tube bracket and wheelchair casters. The steel tube bracket is welded with bent steel tubes. The wheelchair caster is placed at the bottom of the steel tube bracket.

The seat cushion 22 in the detachable seat cushion mechanism 5 of the embodiment of the present invention is connected to the bed frame 1 through the buckles on both sides, and the outer sides of each cushion block 25 are respectively connected to the bed frame 1 through the corresponding two manual spring locks 20. The seat cushion The pulleys 23 at the opposite corners on both sides of the 22 are respectively clamped into the guide rails 24 on the inner side of the corresponding cushion block 25 and respectively at the end of the corresponding guide rail 24. Adjust the adjusting ring 29 so that the backrest and the bed frame 1 are on the same plane, and then the seat cushion 22 and the surface of the backrest are covered with a mattress, so that the embodiment of the present invention can be used as an ordinary hospital bed.

When the patient wants to transfer from the bed to the foldable wheelchair 2, first adjust the adjusting ring 29 of the backrest so that the backrest is lifted to an angle that the patient feels comfortable, then clamp the adjusting ring 29 in the support block 28 for fixing, and lift the patient up. The position of the wheelchair 2 is in the middle of the hospital bed, so the patient sits up just above the seat cushion 22, then the patient leans on the backrest, opens each manual spring lock 20 and releases the buckle, then the folding wheelchair 2 can be pulled out; When the armrest 6 is rotated around the corresponding two positioning rings 26 until each armrest 2 and the seat cushion 22 form a right angle of 90 degrees, the two ends of the limit blocks of each armrest 6 are just snapped into the corresponding two positioning rings 26 gaps, so that each armrest 6 It is fixed by the corresponding two positioning rings 26 to protect the safety of the patient.

When the patient wants to go to the toilet, first remove the detachable round cover 21, and then shake the hand wheel 9 on the upper end of the transmission shaft 8, so that each gear on the transmission shaft 8 drives the corresponding bevel gear 13 to rotate, and each bevel gear 13 drives the corresponding screw 15 Rotation, since one end of each screw 15 with a continuous forward thread passes through the first nut, the through hole of the first pin 10 and the first drilled pin 14, each screw 15 has a continuous counter-rotation thread at the other end. One end passes through the second nut 18, the through hole of the second pin and the second drilled pin, so the first nut and the second nut 18 move in opposite directions along the screw 15, and the outer surface of the first nut is opposite to the first pin The inner surface of the through hole of the shaft 10 is attached and connected, the outer surface of the second nut 18 is attached to the inner surface of the through hole of the second pin shaft, the first pin shaft 10 and the third pin shaft are connected by the first connecting rod pair 11, The second pin shaft and the fourth pin shaft are connected by the second connecting rod pair, so the rotation direction of the first connecting rod pair 11 driven by the first nut around the first pin shaft 10 and the third pin shaft is the same as that driven by the second nut 18 The second link pair rotates in opposite directions around the second pin shaft and the fourth pin shaft, and finally realizes the lifting and lowering function of the folding wheelchair 2. In this embodiment, the folding wheelchair 2 is lowered to a suitable height.

To sum up, the embodiments of the present invention can facilitate the transfer of the patient from the bed to the wheelchair and facilitate the patient's use of the toilet, thereby reducing the workload of the nursing staff.

The above are only the preferred embodiments of the present invention. It should be pointed out that for those skilled in the art, without departing from the technical principle of the present invention, several improvements and modifications can also be made. These improvements and modifications It should also be regarded as the protection scope of the present invention.

Claims (6)

1. A detachable and convenient transfer hospital bed, characterized in that it includes a bed frame and a folding wheelchair, the folding wheelchair is placed in the middle of the bed frame, and the folding wheelchair includes a wheelchair bracket, a lifting mechanism and a detachable cushion mechanism, and the two sides of the wheelchair bracket are respectively It is fixedly connected with both sides of the lower part of the lifting mechanism; The lifting mechanism includes two sets of upper and lower U-shaped pieces, two sets of connecting rod mechanisms, two pairs of pin shaft sets, two pairs of drilled pin shaft sets, two screw rods, two gears, two pairs of nut sets, two pairs of sliding bearing sets, manual Wheels and drive shafts, each set of linkages includes first and second link pairs, each pair of pins includes first, second, third and fourth pins, and each pair of drilled pins includes first and a second drilling pin, each pair of nut groups includes first and second nuts, and each pair of sliding bearing groups includes first and second sliding bearings; One end of each screw with a continuous forward thread passes through the first nut, the through hole of the first pin, the first sliding bearing and the first drilled pin, and the other end of each screw with a continuous counter-rotation thread passes through A bevel gear is connected through the second nut, the through hole of the second pin, the second sliding bearing and the second drilling pin, and the outer surface of the first nut is connected with the inner surface of the through hole of the first pin. The outer surface of the second nut is connected with the inner surface of the through hole of the second pin shaft, each gear meshing with the corresponding bevel gear is arranged on the transmission shaft, and the handwheel is arranged at one end of the transmission shaft; one side of the U-shaped piece on each group It is connected with the other side through the first drilling pin and the second drilling pin. One side and the other side of the lower U-shaped piece of each group are connected by the third pin and the fourth pin. The first pin and the The third pin shaft is connected by the first connecting rod pair, and the second pin shaft and the fourth pin shaft are connected by the second connecting rod pair; The two sides of the lower part of the detachable seat cushion mechanism are respectively fixed to the two sides of the upper part of the lifting mechanism. The detachable seat cushion mechanism includes two cushion blocks, a plurality of manual spring locks and a cushion, and the outer side of each cushion block is connected to the bed through the corresponding manual spring locks. The inner side of each cushion block is provided with guide rails, and the opposite corners on both sides of the seat cushion are connected with pulleys. The seat cushion is connected with the bed frame through the buckles on both sides, the seat cushion includes a detachable round cover, a horizontal shaft is arranged on the outer edge of the detachable round cover, and both ends of the horizontal shaft are respectively connected with the edge of the seat cushion. 2 . The detachable and convenient transfer hospital bed according to claim 1 , wherein the foldable wheelchair further comprises two handrails, and two positioning rings and the limit blocks of each handrail are respectively connected outward on both sides of the upper part of the lifting mechanism. 3 . The two positioning rings are provided with the same notch, the shape of both ends of the limit block of each handrail is the same as the shape of the corresponding two positioning ring gaps, and the two ends of the limit block of each handrail are respectively inserted into the corresponding two positioning rings. 3. The detachable and convenient transfer hospital bed according to claim 1, wherein the folding wheelchair further comprises an adjustable backrest mechanism, and the adjustable backrest mechanism comprises a backrest, two supporting steel plates and two supporting pins, which are detachable. The seat cushion mechanism also includes a cross bar, the two ends of the cross bar are respectively connected with two cushion blocks, each supporting steel plate is welded with the corresponding cushion block, each supporting steel plate is connected with the backrest through a corresponding supporting pin shaft, and an adjusting ring is arranged on the backrest , a support block is connected to the cross bar, and the adjusting ring is stuck in the support block. 4 . The detachable and convenient transfer hospital bed according to claim 1 , wherein the lifting mechanism further comprises two pairs of support plate groups, each pair of support plate groups includes a first and a second support plate, and the first pin shaft two The ends are respectively connected with the protrusions at both ends of the first support plate, and the two ends of the second pin are respectively connected with the protrusions at both ends of the second support plate. 5 . The detachable and convenient transfer hospital bed according to claim 1 , wherein the bed frame is welded by steel pipes, and the bottom of the bed frame is provided with bed frame casters. 6 . 6 . The detachable and convenient transfer hospital bed according to claim 1 , wherein the wheelchair bracket comprises a steel tube bracket and wheelchair casters, the steel tube bracket is welded with bent steel tubes, and the wheelchair caster is placed at the bottom of the steel tube bracket. 7 .

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