CN108392335A - A kind of combination folding bed chair - Google Patents

Abstract

The present invention provides a kind of combination folding bed chair, including folding bed and fully collapsible invalid's chair, folding bed divides upper layer and lower layer, upper layer lathe bed includes bed board holder and the combination bed board being set on bed board holder, Tai Bei mechanisms, bent leg mechanism, lathe bed clamping mechanism, and lower layer's lathe bed includes bed chassis, footpost and footpost fold mechanism；Fully collapsible invalid's chair includes movable chassis mechanism, jack, liner plate layer, wheelchair armrest and wheelchair clamping mechanism, jack is set above mobile chassis, liner plate layer is set above jack, wheelchair armrest is arranged in the both sides of movable chassis mechanism, wheelchair clamping mechanism is arranged on the longitudinal beam of wheelchair both sides, coordinate with lathe bed clamping mechanism, folding bed and fully collapsible invalid's chair can be combined.The present invention is not in the case where moving patient, by the combination of fully collapsible invalid's chair and folding bed, patient is directly transferred to sick bed by wheelchair, greatly facilitates nursery work, also avoids after surgery damaging caused by it because moving patient.

Description

A combined folding bed chair

technical field

The invention relates to the mechanical field, in particular to a multifunctional medical folding bed and a folding wheelchair.

Background technique

At present, most of the medical bed legs are equipped with a roller mechanism, which has the function of tilting and lifting the back, which can bring certain convenience to the patients during the treatment process, but some severe patients are inconvenient to move, and it is easy to cause serious problems during bed changing or transfer after surgery. Secondary injury; Secondly, some patients cannot move themselves during the recuperation process, lie in bed in a single position for a long time, have poor blood circulation, and cause damage to the body. These problems cannot be solved by traditional hospital beds.

Contents of the invention

The purpose of the present invention is to overcome the above-mentioned problems existing in the current hospital bed, and to provide a combined folding bed and chair.

In order to achieve the purpose of the present invention, the following scheme is adopted: a combined folding bed and chair, including a folding bed and a folding wheelchair, the folding bed includes a bed body, a bedside guard board, a bed tail guard board, a bedside guardrail, and the bed body is divided into two parts up and down. The upper layer of the bed includes the bed board support and the combined bed board set on the bed board support, the back lifting mechanism, the curved leg mechanism, and the bed clamping mechanism; the lower bed includes the bed frame, the bed legs and the bed leg folding mechanism; the upper bed The upper and lower beds are connected by pins; the folding wheelchair includes a mobile chassis mechanism, a retractable mechanism, a lining layer, a wheelchair armrest and a wheelchair clamping mechanism, and four chairs are arranged at the bottom of the mobile chassis. Wheels, a retractable mechanism is set above the mobile chassis, a lining layer is set above the retractable mechanism, the wheelchair armrests are set on both sides of the mobile chassis mechanism, and the wheelchair clamping mechanism is set on the longitudinal beams on both sides of the wheelchair to clamp with the bed With the cooperation of the mechanism, the folding bed and the folding wheelchair can be combined together to form a combined bed state. The combined bed can realize back lifting and leg bending actions through the back lifting mechanism and leg bending mechanism, and the combined bed can be adjusted through the bed leg folding mechanism. high.

The back-lifting mechanism of the folding bed comprises a back-lifting bracket, a back-lifting link, a back-lifting shaft and an electric push rod A, the back-lifting bracket is fixedly connected to the back-lifting shaft, and the back-lifting shaft can drive the back-lifting bracket to rotate, One end of the back-lifting link is hinged to the back-lifting shaft, and a limit plate A and a limit plate B are arranged on the left and right sides of the back-lifting link. The back rotation shaft is fixedly connected, the limit bolt A and the limit bolt B are pierced on the limit plate A and the limit plate B on the front and rear sides of the back lifting link, and the other end of the back lift link is connected to the telescopic end of the electric push rod A. Hinged, the back lifting rotating shaft is arranged at the front end of the seat plate support, the seat plate support 120 is fixedly connected with the bed plate support, the other end of the electric push rod A is hinged with the bed plate support, and the telescopic end of the electric push rod A pushes the back lifting link to rotate, thereby Drive the limit plate A, the limit plate B and the back lifting bracket to rotate.

The curved leg mechanism of the folding bed includes a thigh support, a calf support, a curved leg connecting rod, a curved leg shaft and an electric push rod B. One end of the thigh support is hinged to the calf support, and the other end of the thigh support is fixed to the curved leg shaft. connection, the rotation of the curved leg shaft can drive the thigh support to rotate together, one end of the curved leg connecting rod is hinged with the curved leg shaft, and a limit plate C and a limit plate D are arranged on the left and right sides of the curved leg link, and the limit plate C and the The limiting plate D is installed on the crank leg shaft and fixedly connected with the crank leg shaft, and the limit bolt C and the limit bolt D are pierced on the limit plate C and the limit plate D on the front and rear sides of the curved leg connecting rod. The other end of the curved leg connecting rod is hinged with the telescopic end of the electric push rod B, the rotating shaft of the curved leg is set at the rear end of the seat bracket, the other end of the electric push rod B is hinged with the bed support, and the telescopic end of the electric push rod B pushes The connecting rod of the curved leg rotates, thereby driving the rotating shaft of the curved leg and the thigh support to rotate, and the thigh support affects the calf support;

The lower bed of the folding bed consists of a bed frame, a bed leg and a bed leg folding mechanism. The bed body support structure is arranged at the lower part of the bed frame, and four bed legs are arranged in total. Legs, the bed leg folding mechanism is driven by the electric push rod C, the telescopic end of the electric push rod C is hinged to the middle of the connecting beam, the other end of the electric push rod C is hinged to the bed support, and the front and rear ends of the connecting beam are respectively connected to the head of the bed. It is hinged with one end of the drive crank rod at the end of the bed, and the bed leg connecting rod is set at the position corresponding to each bed leg, and the folding shaft A is pierced in the middle of the bed head drive crank rod, and the two groups at the head of the bed are connected through the folding shaft A. The bed leg connecting rod and the bed legs are hinged together, the other end of the bed head transmission crank rod is connected with the lower part of the two bed legs at the head end through the pin shaft A, and the folding shaft B is passed through the middle part of the bed tail drive crank rod, and through The folding shaft B hinges the two sets of bed leg connecting rods at the end of the bed and the bed legs together, and the other end of the transmission crank rod at the end of the bed is connected with the lower parts of the two bed legs at the end of the bed through pin B, and the bottom of each bed leg is connected to the bed frame hinged. In this way, the connecting beam, the head of the bed transmission curved rod, the end of the bed transmission curved rod and the bed frame form four connecting rods;

A bed clamping mechanism is provided in the middle of the bed frame of the folding bed, and the bed clamping mechanism includes two chutes that are horizontally arranged along the transverse direction of the bed body and have a “C”-shaped cross-section opposite to each other. One end of the groove bottom near the bedside is provided with a limit groove A, and the other end is provided with a limit groove B, and a through hole is set at the bottom of the limit groove A, and a tab is arranged inside, and the bottom end of the tab is connected to the "L" shape. The rod cross arm is connected, the middle part of the vertical arm of the "L" type connecting rod is hinged with the side wall of the outer surface of the chute, the top of the vertical arm of the "L" type connecting rod is hinged with one end of the locking connecting rod, and the limit groove B is set in the chute One end is provided with a locking buckle, and the locking buckle is hinged on the side wall of the bottom surface of the chute, and the other end of the locking link is hinged with the locking buckle. The connecting rod is driven to drive the locking buckle to rotate, and the limit shrapnel is set above the limit groove B, and the unlocking pressure piece is set outside the limit shrapnel;

The folding wheelchair includes a mobile chassis mechanism, a retractable mechanism, a liner layer and a wheelchair armrest. The mobile chassis mechanism and the retractable mechanism are fixedly connected by pins, and the two wheelchair armrests respectively pass through both sides of the mobile chassis mechanism. The retractable mechanism is a multi-stage connecting rod structure, which consists of a transmission bracket, an electric push rod, a back lifting link, a front and rear beam link, a rotating link, a small link, a sliding roller mechanism, a thigh sliding Rod, calf slider, connecting rod and foot support rod, the transmission bracket is fixed on the frame of the mobile chassis mechanism, and is fixed during the wheelchair retraction process, and the fixed end of the electric push rod is hinged to the transmission bracket , the telescopic end of the electric push rod is hinged with the lower end of the back lift link, the rear end of the front and rear beam links is hinged with the middle part of the back lift link, and the upper end of the back lift link is hinged with the mobile chassis mechanism, and the back lift can be controlled through the telescopic control of the electric push rod The connecting rod rotates, thereby driving the chair back and the front and rear beam links. Among them, the back lifting link is provided with an extension part, and the rotation of the extension part of the back lifting link drives the seat back to rotate accordingly. The front end of the front and rear beam links and the sliding roller The mechanism and the rotating link are hinged, the lower end of the rotating link is hinged with the transmission bracket, the front end of the small connecting rod is hinged with the rear end of the sliding roller mechanism, the rear end of the small connecting rod is hinged with the frame of the wheelchair mobile chassis mechanism, and the front and rear beam links The movement will affect the movement of the sliding roller mechanism. Two roller bearings are installed at the front and rear ends of the upper part of the sliding roller mechanism. In the slideway, the rear end of the thigh slider is hinged to the frame of the mobile chassis mechanism, and the front end of the thigh slider is hinged to the rear end of the calf slider. The movement of the sliding roller mechanism will change the angle of the thigh slider and the calf slider. The upper support rod is hinged, one end of the connecting rod is hinged with the thigh sliding rod, and the other end is hinged with the foot support rod, the thigh sliding rod, calf sliding rod, connecting rod and foot supporting rod form a four-bar linkage mechanism, the thigh sliding rod and the calf sliding rod The change of the angle of the rod will affect the corresponding change of the angle of the foot support rod and the calf slider. The longitudinal beams of equal length are respectively arranged on the left and right sides of the mobile chassis mechanism. The longitudinal beams are fixedly connected to the mobile chassis mechanism. The clamping blocks, the positions of each clamping block are respectively adapted to the positions of the grooves of the clamping mechanism of the bed.

Further, the supporting structure of the bed body is a foot brake universal wheel.

Further, the combined bed board includes a back board, a seat board, a thigh board, a calf board and a foot board, the seat board is fixedly connected to the seat board bracket, the back board is fixed on the back board bracket, and the thigh board is fixed on the thigh bracket, Thigh plate, calf plate and foot plate are hinged in pairs in turn, and the hinged position of thigh plate and calf plate is adapted to the hinged position of thigh support and calf support.

The further described liner layer includes a chair back, a seat plate, a thigh liner, a calf liner and a foot liner, the seat back is arranged at the rear of the wheelchair and is hinged with the mobile chassis mechanism frame, The plate is fixed on the frame of the mobile chassis mechanism in the middle of the wheelchair. The rear end of the thigh lining is hinged with the frame of the mobile chassis mechanism. The size of the seat board, the thigh lining board, the calf lining board and the foot lining board are respectively adapted to the back board, the seat board, the thigh board, the calf board and the foot board size in the combined bed board.

Further, the front and rear beam connecting rods are arranged as a "U"-shaped structure with a flat middle part and two ends upturned.

The positive and beneficial technical effects of the present invention are: the foldable wheelchair part in the present invention can be driven by the retractable mechanism inside the wheelchair, and can be switched back and forth between the wheelchair state and the bed state as required, and the patient does not need to be moved during the transformation process. The patient can be directly adjusted from a sitting position to a lying position, or vice versa, and can be used as a transfer patient; when the folding wheelchair part in the present invention is adjusted to a bed state, it can be combined with a matching folding bed to form a sick bed, so that Without moving the patient, the patient can be directly transferred from the wheelchair to the hospital bed through the combination of the folding wheelchair and the folding bed, which greatly facilitates the nursing work and avoids the damage caused by moving the patient after the operation; The back raising mechanism and the leg bending mechanism can effectively alleviate the pressure and damage to the body caused by poor blood circulation caused by patients lying in bed for a long time. For some patients who cannot move independently, they can passively promote the appropriate movement of the waist and legs, which is helpful for the body. recovery.

Description of drawings

Figure 1 is a rendering of a folding bed and a matching folding wheelchair.

Fig. 2 is a schematic structural view of the folding bed.

Fig. 3 is a schematic diagram of the connection mechanism after the combined bed board is removed from the folding bed.

Fig. 4 is a schematic diagram of the connection of the electric push rod A and the electric push rod B of the folding bed.

Figure 5 is a schematic view of the front view of the folding bed.

Fig. 6 is a schematic diagram showing the contraction of the curved leg mechanism of the folding bed.

Fig. 7 is a schematic diagram of the state of lifting the back and bending the legs of the folding bed.

Fig. 8 is an enlarged view of the clamping mechanism of the bed of the folding bed.

Fig. 9 is a front structural view of the clamping mechanism of the side bed of the folding bed.

Fig. 10 is a structural view of the rear of the bed clamping mechanism on the side of the folding bed sheet.

Fig. 11 is an overall schematic diagram of the folding wheelchair.

Fig. 12 is a schematic cutaway view of the folding wheelchair in the wheelchair state.

Fig. 13 is a schematic diagram of the state of the folding wheelchair on the bed body.

Fig. 14 is a schematic diagram of the retractable mechanism of the folding wheelchair.

Fig. 15 is a schematic diagram of removing the liner layer when the folding wheelchair is in the wheelchair state.

Fig. 16 is a schematic diagram of the combined state of the folding bed and the folding wheelchair.

Detailed ways

In order to more fully explain the implementation of the present invention, implementation examples of the present invention are provided. These implementation examples are only illustrations of the present invention, and do not limit the scope of the present invention.

The present invention is further explained in detail in conjunction with the accompanying drawings. In the accompanying drawings, each mark is: 1: folding bed, 2: folding wheelchair, 11: bedside guard board, 12: bed tail guard board, 13: bed side guardrail composition, 14: backrest Plate, 15, seat plate:, 16: thigh plate, 17: calf plate, 18 foot plate, 19: back lift bracket, 110: back lift rotating shaft, 111: electric push rod A, 112: electric push rod B, 113: Curved leg shaft, 114: thigh support, 115: calf support, 116: limit plate A, 117: limit plate B, 118: limit bolt B, 119: back lifting link, 120: seat plate support, 121 : Curved leg connecting rod, 122: Limiting bolt C, 123: Limiting plate C, 124: Limiting plate D, 125: Bed support, 126: Bed leg connecting rod, 127: Folding shaft A, 128: Bed leg, 129: pin A, 130: foot brake universal wheel, 131: bedside drive crank, 132: electric push rod C, 133: bed frame, 134: connecting beam, 135: pin B, 136: folding shaft B, 137: bedside drive crank rod, 138: chute, 139 tab, 140: shrapnel, 142 locking buckle, 143 "L" type connecting rod, 144 locking connecting rod, 146: limit groove A , 147: limit groove B, 21: mobile chassis mechanism, 22: retractable mechanism, 23: lining layer, 24: wheelchair armrest, 221 transmission bracket, 222: electric push rod D, 223: back lifting link, 224: front and rear beam connecting rod, 225: rotating connecting rod, 226: small connecting rod, 227: sliding roller mechanism, 228: thigh sliding rod, 229 calf sliding rod, 2210: connecting rod, 2211: foot support rod, 2212: Longitudinal Beams, 2213: Blocks.

In this scheme, in the description of the folding wheelchair part, "front" refers to the direction facing the front of the person sitting on the wheelchair, and "rear" refers to the direction facing the back of the person sitting on the wheelchair; for the folding bed part In the description, "front" refers to the direction in which the head of a person lies on the bed, and "back" refers to the direction in which the feet of a person lie on the bed.

A combined folding bed and chair, including a folding bed 1 and a folding wheelchair 2. The folding bed includes a bed body, a headboard guard 11, a bed tail guard 12, and a bedside guardrail 13. The bed body consists of upper and lower layers, and the upper bed body includes a bed frame 125 and the combined bed board, back lifting mechanism, curved leg mechanism and bed clamping mechanism arranged on the bed board support 125, the lower bed body includes bed frame 133, bed leg 128 and bed leg folding mechanism, and the upper bed body is arranged on the lower bed Above the bed, the upper and lower layers of the bed are connected by pins; the folding wheelchair includes a mobile chassis mechanism 21, a retractable mechanism 22, a liner layer 23, a wheelchair armrest 24 and a wheelchair clamping mechanism, and the bottom of the mobile chassis 21 is provided with four Chair wheels, a retractable mechanism is arranged above the mobile chassis 21, a liner layer 23 is arranged above the retractable mechanism, wheelchair armrests 24 are arranged on both sides of the mobile chassis mechanism 21, and the wheelchair clamping mechanism is arranged on the longitudinal beams 2212 on both sides of the wheelchair , in cooperation with the bed clamping mechanism, the folding bed and the folding wheelchair can be combined together to form a combined bed state. The combined bed can realize back lifting and leg bending actions through the back lifting mechanism and leg bending mechanism. The height of the combination bed is adjusted by the leg folding mechanism;

The back-lifting mechanism of the folding bed comprises a back-lifting bracket 19, a back-lifting link 119, a back-lifting rotating shaft 110 and an electric push rod A111. Drive the back-lifting bracket 19 to rotate, one end of the back-lifting link 119 is hinged with the back-lifting rotating shaft 110, and the limit plate A116 and the limit plate B117 are set on the left and right sides of the back-lifting link 119, and the limit plate A116 and the limit plate B117 It is installed on the back-lifting shaft 110 and is fixedly connected with the back-lifting shaft 110. On the limit plate A116 and the limit plate B117 on the front and rear sides of the back-lifting link 119, a limit bolt A and a limit bolt B118 are pierced. The other end of the back link 119 is hinged with the telescopic end of the electric push rod A111, the back lifting shaft 110 is arranged on the front end of the seat frame support 120, the seat frame support 120 is fixedly connected with the bed support 125, the other end of the electric push rod A111 is connected with the bed support 125 hinged, the telescopic end of the electric push rod A111 pushes the back-lifting link 119 to rotate, thereby driving the limit plate A116, the limit plate B117 and the back-lift bracket 19 to rotate;

The curved leg mechanism of the folding bed comprises thigh support 114, calf support 115, curved leg connecting rod 121, curved leg rotating shaft 113 and electric push rod B112. The other end is fixedly connected with the curved leg rotating shaft 113, the rotation of the curved leg rotating shaft 113 can drive the thigh support 114 to rotate together, one end of the curved leg connecting rod 121 is hinged with the curved leg rotating shaft 113, and limit positions are set on the left and right sides of the curved leg connecting rod 121 Plate C123 and limiting plate D, limiting plate C123 and limiting plate D are worn on the curved leg rotating shaft 113 and are fixedly connected with curved leg rotating shaft 113, the limiting plate C123 and limiting plate C123 and limiting The stop bolt C and the stop bolt D are pierced on the position plate D, the other end of the curved leg connecting rod 121 is hinged with the telescopic end of the electric push rod B112, and the curved leg rotating shaft 113 is arranged at the rear end of the seat plate bracket 120. The other end of the push rod B112 is hinged with the bed support 125, and the telescopic end of the electric push rod B112 pushes the bent leg connecting rod 121 to rotate, thereby driving the bent leg shaft 113 and the thigh support 114 to rotate, and the thigh support 114 affects the calf support 115 to complete the bent leg When some critically ill patients cannot complete the leg bending action independently, they can rely on the leg bending mechanism of the folding bed 1 to complete the leg bending action, which helps the movement of the leg muscles and promotes the recovery of the patient;

The lower bed of the folding bed comprises a bed base 126, a bed leg 127 and a bed leg folding mechanism. The bed support structure is arranged at the bottom of the bed base 126, and four bed legs 128 are arranged in total. Two bed legs 128 are respectively arranged, and the folding mechanism of the bed legs is driven by an electric push rod C132. The ends are respectively hinged with one end of the head of the bed driving crank 131 and one end of the tail of the bed driving crank 137. The bed leg connecting rod 126 is set at the position corresponding to the bed board bracket 125 and each bed leg 128, and a folding folding rod is installed in the middle of the head of the bed driving crank 131. Rotating shaft A127, and the two groups of bed leg connecting rods 126 and bed legs 128 at the head of the bed are hinged together by folding the rotating shaft A127. Connected together, the folding shaft B136 is passed through the middle part of the bed end transmission crank bar 137, and the two groups of bed leg connecting rods 126 and bed legs 128 at the end of the bed are hinged together through the folding shaft B136, and the other end of the bed tail transmission crank bar 137 is connected to the The bottoms of the two bed legs 128 at the end of the bed are connected together by the bearing pin B135, and the bottoms of each bed leg 128 are hinged with the bed frame 133. Connecting beam 134, head of a bed transmission curved rod 131, bed tail transmission curved rod 137 and bed base frame 133 form four connecting rods like this;

A bed clamping mechanism is provided in the middle of the bed support 125, and the bed clamping mechanism includes two chute 138 with a “C”-shaped opening and a “C”-shaped cross-section horizontally arranged along the lateral direction of the bed body. The structure of the chute 138 is symmetrical. A limit groove A146 is set at the bottom of each chute 138 near the bedside, and a limit groove B147 is set at the other end. A through hole is set at the bottom of the limit groove A146, and a card Tongue 139, the bottom end of tab 139 links to each other with " L " type connecting rod 143 transverse arms, " L " type connecting rod 143 vertical arm middle parts are hinged with chute outer surface sidewall, " L " type connecting rod vertical arm top and lock One end of the closing connecting rod 144 is hinged, and one end of the limit groove B147 is provided with a locking buckle 142 at the chute 138. The locking buckle 142 is hinged on the side wall of the bottom surface of the chute 138, and the other end of the locking connecting rod 144 is connected to the lock. The locking buckle 142 is hinged, and the pressing tab 139 can drive the "L"-shaped connecting rod 143 to rotate, and through the transmission of the locking connecting rod 144, it can drive the locking buckle 142 to rotate, and a limiting shrapnel is set above the limiting groove B 140.

The drive crank rod at the head of the bed and the drive crank rod at the end of the bed mainly play the role of transmission. In order to save space and increase the force strength of the rod body, an "L" shape structure can be adopted.

To facilitate the movement of the bed body, the foot brake universal wheel 130 can be used as the bed body supporting structure at the bottom of the bed frame 133 .

The combined bed board comprises a back board 14, a seat board 15, a thigh board 16, a calf board 17 and a foot board 18, and the seat board is fixedly connected on the seat board bracket 120, the back board is fixed on the back board bracket 19, and the thigh board is fixed On the thigh support, the thigh board, the calf board and the foot board are hinged in pairs, and the hinged position of the thigh board and the calf board is adapted to the hinged position of the thigh board and the calf board.

The folding wheelchair can be folded into a wheelchair state, or transformed into a flat bed state. The specific structure includes a mobile chassis mechanism 21, a retractable mechanism 22, a liner layer 23 and a wheelchair armrest 24, a mobile chassis mechanism 21 and a retractable mechanism 23. Fixedly connected by the pin shaft, two wheelchair armrests 24 respectively pass through the both sides of the mobile chassis mechanism 21. 222, lift the back connecting rod 223, the front and rear beam connecting rod 224, the rotating connecting rod 225, the small connecting rod 226, the sliding roller mechanism 227, the thigh sliding bar 228, the calf sliding bar 229, the connecting rod 2210 and the foot support bar 2211 to form, The transmission bracket 221 is fixed on the frame of the mobile chassis mechanism 21, and is fixed during the folding and unfolding process of the wheelchair. The lower end of the connecting rod 223 is hinged, the rear end of the front and rear beam connecting rod 224 is hinged with the middle part of the back-lifting link 223, and the upper end of the back-lifting link 223 is hinged with the mobile chassis mechanism 21, and the rotation of the back-lifting link 223 can be controlled by the telescopic control of the electric push rod 222 , so as to drive the chair back and the front and rear beam links 224, wherein the back lift link 223 is provided with an extension, and the rotation of the extension of the back lift link 223 drives the seat back to rotate accordingly, and the front end of the front and rear beam links 224 and the sliding The roller mechanism 227 is hinged with the rotating connecting rod 225, the lower end of the rotating connecting rod 225 is hinged with the transmission bracket 221, the front end of the small connecting rod 226 is hinged with the rear end of the sliding roller mechanism 227, and the rear end of the small connecting rod 226 is connected with the wheelchair mobile chassis mechanism 21 The frame of the sliding roller mechanism 227 is hinged, and the movement of the front and rear beam connecting rods 224 will affect the movement of the sliding roller mechanism 227. Two roller bearings are respectively arranged at the front and rear ends of the upper part of the sliding roller mechanism 227. The roller bearing at the rear end of the upper part of the sliding roller mechanism 227 is embedded in the slideway of the thigh sliding bar 228, the rear end of the thigh sliding bar 228 is hinged with the frame of the mobile chassis mechanism 21, the front end of the thigh sliding bar 228 is hinged with the rear end of the calf sliding bar 229, and the sliding roller The movement of mechanism 227 can change the angle of thigh slide bar 228 and calf slide bar 229, and the front end of calf slide bar 229 is hinged with foot support bar 2211, and one end of connecting rod 2210 is hinged with thigh slide bar 228, and the other end is hinged with foot support bar 2211 , the thigh slider 228, the calf slider 229, the connecting rod 2210 and the foot support rod 2211 form a four-bar linkage mechanism, and the angle change of the thigh slider 228 and the calf slider 229 will affect the foot support rod 2211 and the calf slider 229 The angle changes accordingly. Longitudinal beams 2212 of equal length are respectively arranged on the left and right sides of the mobile chassis mechanism, and the longitudinal beams 2213 are fixedly connected to the mobile chassis mechanism. Blocks 2213 are respectively arranged at both ends of the longitudinal beam 2212. The position of each groove of the clamping mechanism is adapted.

When combining a folding bed with a folding wheelchair, both the folding bed and the folding wheelchair need to be adjusted to lie flat, adjust the folding bed to an appropriate height, adjust the folding wheelchair to the same direction as the end of the folding bed, and set the bed from the middle of the side of the folding bed Push in the vacancy of the body clamping mechanism, so that the four clamping blocks 2213 at both ends of the longitudinal beam 2212 on both sides of the wheelchair slide in respectively along the two "C"-shaped chute 138 on the bed of the folding bed, and when the four clamping blocks 2213 slide Stop moving the wheelchair when the bottom of the "C"-shaped chute corresponds to the top of the groove, and raise the bed surface by controlling the electric push rod C132 of the bed leg folding mechanism, so that the block falls into the groove, and the block falls into the groove At the same time, the blocks 2213 on both sides of the longitudinal beam 2212 near the bed press down the tongue 139, the tongue 139 drives the "L"-shaped connecting rod 143 to rotate, pushes the locking connecting rod 144, and the locking connecting rod 144 drives the locking The buckle 142 rotates, and the locking buckle 142 fastens the longitudinal beam 2212 near the inner side of the bed of the folding wheelchair 2, and at the same time, the blocks at both ends of the longitudinal beam 2212 near the inner side of the bed tighten the limit shrapnel 140 above the limit groove B147 , to avoid movement after the combination, when the combination is completed, continue to raise the bed body, so that the chair wheels of the wheelchair can leave the ground.

In the separation process, firstly, the height of the bed needs to be lowered until the chair wheels of the wheelchair touch the ground, and then continue to slowly lower the height of the bed, and the locking buckle 142 on the bed will automatically open, and continue to lower the height of the bed. The block 2213 on the wheelchair will break away from the position of the groove, stop lowering the height of the bed body at this moment, and the wheelchair can be pushed away from the bed body along the "C"-shaped chute, so that the bed body and the wheelchair can be separated.

The wheelchair armrest 24 can easily realize the raising and lowering of the wheelchair armrest 24, and can be used as a wheelchair armrest in the raised state to protect the patient; Transfer, or use in combination with the hospital beds matching this plan. The wheelchair armrest 24 described in this solution can adopt the technical solution of "a liftable armrest mechanism" described in the applicant's Chinese patent application with an application date of February 5, 2018 and an application number of 2018201921411.

The liner layer of the folding wheelchair includes a chair back, a seat plate, a thigh liner, a calf liner and a foot liner, the seat back is arranged at the rear of the wheelchair, and is hinged with the mobile chassis mechanism frame, and the seat The plate is fixed on the frame of the mobile chassis mechanism in the middle of the wheelchair, the rear end of the thigh lining is hinged with the frame of the mobile chassis mechanism, and the front end of the thigh lining is hinged with the end-to-end connection of the calf lining and the foot lining.

The front and rear beam connecting rods 224 of the folding wheelchair are arranged as a "U"-shaped structure with a flat middle part and two ends upturned, so that during transmission, the transmission force has a certain guiding effect, and the folding process of the folding wheelchair is more smooth.

After describing the implementation of the present invention in detail, those familiar with the technology can clearly understand that various changes and modifications can be made without departing from the scope and spirit of the above-mentioned patent application. Any simple amendments, equivalent changes and modifications all belong to the scope of the technical solution of the present invention, and the present invention is not limited to the implementation methods exemplified in the specification.

Claims (5)

1. a kind of combination folding bed chair, including folding bed and fully collapsible invalid's chair, it is characterised in that：Folding bed includes lathe bed, head of a bed shield Plate, tailstock backplate, bed side rail, lathe bed divide upper layer and lower layer, upper layer lathe bed to include bed board holder and be set on bed board holder Bed board, Tai Bei mechanisms, bent leg mechanism, lathe bed clamping mechanism are combined, lower layer's lathe bed includes bed chassis, footpost and footpost folding machine Structure, upper layer lathe bed are set to above lower layer's lathe bed, and upper layer and lower layer lathe bed is connected by axis pin；Fully collapsible invalid's chair includes mobile chassis machine Four chair wheels, mobile bottom is arranged in structure, jack, liner plate layer, wheelchair armrest and wheelchair clamping mechanism, the mobile chassis bottom Jack is set above disk, liner plate layer is set above jack, wheelchair armrest is arranged in the both sides of movable chassis mechanism, Wheelchair clamping mechanism coordinates with lathe bed clamping mechanism, can combine folding bed and fully collapsible invalid's chair, becomes combination after combination Bed state, combination cot can realize that the lift back of the body and bent leg act by the Tai Bei mechanisms and bent leg mechanism, pass through footpost fold mechanism Adjustment combination bed height；

The Tai Bei mechanisms of the folding bed include lift back braces, lift back of the body connecting rod, lift back of the body shaft and electric pushrod composition, the lift back of the body Holder is fixedly connected with lift back of the body shaft, and lift back of the body shaft can drive lift back braces rotation, one end and the lift back of the body shaft hinge of lift back of the body connecting rod It connects, setting limiting plate A and limiting plate B, limiting plate A and limiting plate B are threaded through in lift back of the body shaft simultaneously at left and right sides of lift back of the body connecting rod It is fixedly connected with lift back of the body shaft, caging bolt A and limit is worn on the limiting plate A and limiting plate B of lift back of the body connecting rod front and rear sides Bolt B, the other end and electric pushrod A telescopic ends of lift back of the body connecting rod are hinged, and lift back of the body shaft is set to the front end of seat board holder, seat board Holder 120 is fixedly connected with bed board holder, and the other end of electric pushrod A is hinged with bed board holder, and the telescopic end of electric pushrod A pushes away Dynamic lift back of the body link rotatable, to drive limiting plate A, limiting plate B and lift back braces rotation；

The bent leg mechanism of the folding bed includes thigh support frame, small leg support, bent leg connecting rod, bent leg shaft and electric pushrod B groups At described thigh support frame one end is hinged with small leg support, and the other end of thigh support frame is fixedly connected with bent leg shaft, bent leg shaft Rotation thigh support frame can be driven to rotate together, one end of bent leg connecting rod and bent leg shaft are hinged, at left and right sides of bent leg connecting rod Setting limiting plate C and limiting plate D, limiting plate C and limiting plate D are threaded through in bent leg shaft and are fixedly connected with bent leg shaft, Caging bolt C and caging bolt D, the other end of bent leg connecting rod are worn on the limiting plate C and limiting plate D of bent leg connecting rod front and rear sides Hinged with electric pushrod B telescopic ends, bent leg shaft is set to the rear end of the seat board holder, the other end and bed of electric pushrod B Board mount is hinged, and the telescopic end of electric pushrod B pushes bent leg connecting rod rotation, to drive bent leg shaft and thigh support frame to rotate, Thigh support frame affects small leg support；

Lower layer's lathe bed of the folding bed includes that bed body is arranged in bed chassis, footpost and footpost fold mechanism composition, bed chassis lower part Support construction, footpost are arranged four altogether, two footposts are respectively arranged in head end and bed end, footpost fold mechanism is by electric pushrod C The telescopic end of driving, electric pushrod C is hinged in the middle part of tie-beam, and the other end and bed board holder of electric pushrod C is hinged, tie-beam Rear and front end is driven curved bar with the head of a bed respectively and one end of tailstock transmission curved bar is hinged, corresponding with each footpost in bed board holder Footpost connecting rod is arranged in position, and folding rotary shaft A is worn in the middle part of head of a bed transmission curved bar, and by folding rotary shaft A by head end Two groups of footpost connecting rods and footpost are hinged, are driven the other end of curved bar in the head of a bed and two footpost lower part of head end passes through axis pin A links together, and folding rotary shaft B is worn in the middle part of tailstock transmission curved bar, and by folding rotary shaft B by two groups of beds of bed end Leg connecting rod and footpost are hinged, and the other end that curved bar is driven in tailstock is connect with two footpost lower part of bed end by axis pin B Together, each footpost bottom and bed chassis are hinged, such tie-beam, head of a bed transmission curved bar, tailstock transmission curved bar and bed chassis group At double leval jib；

Lathe bed clamping mechanism is set in the bed board mid-stent of the folding bed, the lathe bed clamping mechanism includes two along bed body The sliding slot that opposite section is " C " type that is open being transversely and horizontally set, is arranged limit in each sliding slot bottom close to one end of bedside Limiting groove B is arranged in position groove A, the other end, and through-hole, interior setting block tongue, block tongue bottom end and " L " type are set in the bottoms limiting groove A Connecting rod transverse arm is connected, side walls hinged with sliding slot outer surface in the middle part of " L " type connecting rod vertical arm, and " L " type connecting rod vertical arm top connects with locking Bar one end is hinged, is buckled in one end setting locking of sliding slot setting limiting groove B, locking buckle is articulated with sliding slot bottom surface side wall On, the locking connecting rod other end and locking buckle are hinged, and " L " type link rotatable can be driven by pressing block tongue, by locking link transmission, Locking buckle rotation can be driven, positive stop spring plate is set above limiting groove B；

The fully collapsible invalid's chair, including movable chassis mechanism, jack, liner plate layer and wheelchair armrest, movable chassis mechanism and receipts Laying mechanism is fixedly connected by axis pin, and two wheelchair armrests are each passed through the both sides of movable chassis mechanism, the jack It is a multistage link mechanism, the multistage link mechanism is by transmission bracket, electric pushrod, lift back of the body connecting rod, front and rear beam connecting rod, rotation Connecting rod, small rod, sliding roller mechanism, thigh slide bar, shank slide bar, connecting rod and foot pressure pin are constituted, and the transmission bracket is fixed It is fixed, fixing end and the transmission branch of electric pushrod during wheelchair folding and unfolding on the frame of movable chassis mechanism Frame is hinged, and the telescopic end of electric pushrod and lift back of the body connecting rod lower end are hinged, front and rear beam rod rear end and hinged, lift in the middle part of lift back of the body connecting rod It is hinged with movable chassis mechanism to carry on the back small end, back of the body link rotatable can be lifted by the extension and contraction control of electric pushrod, to drive chair The back of the body and front and rear beam connecting rod, wherein lift the back of the body connecting rod be arranged an extension, by lift carry on the back connecting rod extension rotation drive the chair back with Rotation, the front end of front and rear beam connecting rod and sliding roller mechanism and swivel link are hinged, and the lower end of swivel link and transmission bracket are hinged, The front end of small rod and sliding roller mechanism rear end are hinged, and the frame articulation of the rear end and wheelchair movable chassis mechanism of small rod is front and back The movement of beam connecting rod can affect sliding roller mechanism to move, and two roller bearings, sliding roller machine is respectively set in sliding roller mechanism top front and back end Structure top front end roller bearing is embedded in the slideway of shank slide bar, and sliding roller mechanism upper rear end roller bearing is embedded in thigh cunning In the slideway of bar, the frame articulation of thigh slide bar rear end and movable chassis mechanism, thigh slide bar front end is cut with scissors with shank slide bar rear end It connects, the movement of sliding roller mechanism can change the angle of thigh slide bar and shank slide bar, and shank slide bar front end is hinged with foot pressure pin, even Extension bar one end is hinged with thigh slide bar, and the other end is hinged with foot pressure pin, thigh slide bar, shank slide bar, connecting rod and foot support The angle change of bar formation four-bar mechanism, thigh slide bar and shank slide bar can affect angle phase of the foot pressure pin with shank slide bar It should change, isometric longitudinal beam is respectively set at left and right sides of movable chassis mechanism, longitudinal beam is fixedly connected on mobile chassis machine Fixture block is respectively set at longitudinal beam both ends in structure, and the position of each fixture block is suitable with the position of each groove of lathe bed clamping mechanism respectively It answers.

2. a kind of combination folding bed chair according to claim 1, it is characterised in that the bed body support construction is service brake ten thousand To wheel.

3. a kind of combination folding bed chair according to claim 1, it is characterised in that the combination bed board includes backboard, seat Plate, thigh plate, calf plate and pedal plate, the seat board are fixedly connected on seat board holder, and backboard is fixed on backboard holder, thigh Plate is fixed on thigh support frame, and thigh plate, calf plate and pedal plate are the first hinged successively two-by-two, the hinge position of thigh plate and calf plate It sets and is adapted with the hinged position of thigh support frame and small leg support.

4. a kind of combination folding bed chair according to claim 1, it is characterised in that the liner plate layer of the fully collapsible invalid's chair includes The chair back, chair seat board, thigh liner plate, shank liner plate and foot liner plate, the chair back are set to wheelchair rear portion, with movable chassis mechanism Frame articulation, the chair seat board are fixed on the frame of the movable chassis mechanism in the middle part of wheelchair, thigh liner plate rear end and mobile bottom The frame articulation of disc mechanism, thigh liner plate front end and shank liner plate and foot liner plate are end to end hinged, the chair back, seat Plate, thigh liner plate, shank liner plate and foot liner plate size respectively with the backboard, seat board, thigh plate, the calf plate that combine in bed board It is adapted with pedal plate size.

5. a kind of combination folding bed chair according to claim 1, it is characterised in that the front and rear beam connecting rod of the fully collapsible invalid's chair It is set as the "u"-shaped that the flat both ends of intermediate portion tilt.