CN211382296U

CN211382296U - Medical multifunctional bed

Info

Publication number: CN211382296U
Application number: CN201921919834.7U
Authority: CN
Inventors: 陈永铵; 陈伟杰
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-11-08
Filing date: 2019-11-08
Publication date: 2020-09-01
Anticipated expiration: 2029-11-08

Abstract

A medical multifunctional bed comprises a bed frame and a bed board, wherein the bed board consists of a front supporting plate, a middle supporting plate and a tail supporting plate, the front supporting plate can be turned upwards for a certain angle, the tail supporting plate extends backwards out of the bed frame and is a flexible structure body, the front end of the flexible structure body is hinged with the middle supporting plate or the tail end of the bed frame and can be bent forwards downwards and contracted at the bottom of the middle supporting plate under the driving of a cylinder driving telescopic mechanism, the bed can be converted into a chair state through the upward turning of the front supporting plate and the downward forward bending contraction of the flexible structure body, and the flexible structure body is made of a whole piece of flexible sheet material; or the flexible structure body is composed of a plurality of transverse strips which are arranged in parallel at equal intervals, and each transverse strip is respectively fixed on at least two longitudinal flexible belts which are arranged in parallel at intervals or is hinged together between two adjacent transverse strips through a pin shaft. The utility model has the advantages of novel structure, convenient to use, operation are reliable, can help the patient to sit up automatically and both feet steadily land.

Description

Medical multifunctional bed

Technical Field

The utility model relates to the technical field of medical equipment, concretely relates to medical multifunctional bed.

Background

Hospital wards are often limited in space and therefore difficult to provide a comfortable seat for a patient. At present, the back bed board of a hospital bed is designed to be an independent structure, and the back bed board is turned over and lifted through a hand-operated mechanism arranged on a bed frame, so that a sitting function is provided for a patient. Through this kind of design, although it provides convenience to sit up for patient, but to physical power weak, patient such as fracture convalescence, when needs get off the bed and take exercise, because the shank position bed board that is subject to current sick bed and buttockss position bed board design as an organic whole usually and monoblock are arranged in the influence in the bedstead, even consequently can let the patient sit up earlier through the upset of back of the body position bed board, follow-up action still needs to make patient's slow movement sit the bedside under medical personnel's assistance, hold up the patient to get off the bed again and stand and walk, thereby the getting off the bed for patient has caused very big inconvenience, and medical personnel's working strength has been increased.

In view of the above situation, some hospital beds with functions of sitting up and lowering legs also appear in the existing designs, one of which is a chair with a form of directly lowering a shank position bed plate, but the length of the shank position bed plate limits the height of the chair surface to be too high, and the feet of a patient cannot land on the ground; the other is that the bed board at the position of the shank is divided into two folds, and the chair is formed by folding the bed board downwards, but the folded bed board at the tail end can only be used for supporting feet after being folded downwards, so that the feet of a patient are blocked, and the feet of the patient cannot be directly landed, so that the patient cannot easily leave the bed after standing; the other type is a form that the shank position bed plate is laterally folded, so that a gap is formed at the shank position bed plate, so that the legs of a patient can directly hang outside the tail part of the hip position bed plate to land on the ground, but in operation, medical staff is required to firstly support the legs of the patient to fold the shank position bed plate, and then slowly put down the legs of the patient, so that the use is not convenient enough.

Disclosure of Invention

An object of the utility model is to above-mentioned problem and not enough, provide a novel structure, convenient to use, operation are reliable, can help the automatic medical multi-functional bed who sits and both feet steadily land of patient.

The technical scheme of the utility model is realized like this:

medical multifunctional bed, including bedstead and the bed board of setting on the bedstead, its characteristics are: the bed board consists of a front supporting plate, a middle supporting plate and a tail supporting plate, the front supporting plate can be turned upwards for a certain angle, the tail supporting plate extends backwards out of the bedstead and is a flexible structural body, the front end of the flexible structural body is hinged with the middle supporting plate or the tail end of the bedstead and can be driven by a cylinder arranged on the bedstead to bend forwards downwards and contract at the bottom of the middle supporting plate under the driving of a telescopic mechanism, the bed can be converted into a chair state through the upward turning of the front supporting plate and the downward forward bending contraction of the flexible structural body, and the flexible structural body is made of a whole piece of flexible sheet material; or the flexible structure body is composed of a plurality of transverse strips which are arranged in parallel at equal intervals, and each transverse strip is fixed on at least two longitudinal flexible belts which are arranged in parallel at intervals or hinged together between two adjacent transverse strips through a pin shaft.

In order to ensure effective flexing contraction of the flexible sheet, the flexible sheet is canvas, a plastic soft board or a sponge.

In order to make the bending contraction and the expansion of the flexible structure stable, the cylinder driving telescopic mechanism comprises a first cylinder, a horizontal sliding frame connected with a first piston rod of the first cylinder, two vertical push rods and two longitudinal support rods symmetrically arranged at two sides of the first piston rod, wherein the horizontal sliding frame consists of a longitudinal slide rod arranged below longitudinal beams at two sides of a bedstead, a guide clamping block arranged on each longitudinal slide rod, a transverse support rod arranged between the tail ends of the two longitudinal slide rods and a support sliding groove arranged at the inner side of the front end of each longitudinal slide rod, a cylinder body of the first cylinder is hinged at the bottom of the front end of the bedstead, the front end of the first piston rod is hinged with the transverse support rod, the lower end of the vertical push rod is hinged with the transverse support rod, the upper end of the vertical push rod is hinged with the tail end of the flexible structure, and the rear end of the longitudinal support rod is fixedly connected with the tail, the front end of the longitudinal slide bar is fixedly connected to a transverse curved bar, the transverse curved bar is positioned between the two supporting sliding grooves, two ends of the transverse curved bar are respectively provided with a roller which is arranged in the supporting sliding grooves, the bottom of each longitudinal beam is respectively provided with a guide rail with a clamping groove, and the longitudinal slide bar is connected to the longitudinal beam in a sliding manner through the matching connection of the guide clamping blocks and the clamping grooves on the guide rails.

In order to make the utility model discloses a function is more various, be provided with the support section of thick bamboo that supplies the infusion frame to place on the longeron of bedstead both sides respectively. And the outer side of the tail end of the bedstead is provided with a table board for placing articles in a turnover way. And the front end of the bed frame is detachably connected with a headboard, and the headboard is provided with a hook for hanging a medical record.

In order to effectively realize automatic turnover of the front supporting plate, and the structure is various, a driving cylinder is arranged on the bedstead, and the front supporting plate is connected with a fourth piston rod of the driving cylinder to realize turnover through the driving cylinder; or the bedstead is provided with a connecting rod mechanism connected with the front supporting plate, and the connecting rod mechanism is connected with a second cylinder arranged on the bedstead to realize the turnover of the front supporting plate; or the connecting rod mechanism is linked with the cylinder driving telescopic mechanism to realize the turnover of the front supporting plate.

In order to adjust different use heights of the bed frame and conveniently meet the use requirements of different patients, a bottom support frame is arranged below the bed frame, and the bed frame is connected with the bottom support frame through a lifting mechanism. Moreover, in order to make the adjustment mode diversified, the elevating system is a cylinder elevating system, a screw elevating system or a rack and pinion elevating system.

In order to facilitate the placement of feet of a patient when the patient sits for rest, the tail part of the bottom supporting frame is provided with a foot support.

Compared with the prior art, the utility model, have following advantage:

the utility model adopts the flexible structure body extending out of the bedstead as the shank position bed board, and realizes the bending contraction and flattening structure through the cylinder driving telescopic mechanism, when the patient with weaker physical strength, fracture rehabilitation period and the like needs to get out of bed and stand, the patient can sit up through the upward turning of the front supporting board, and the cylinder driving telescopic mechanism drives the flexible structure body to gently bend forwards in an arc shape and contract at the bottom of the middle supporting board, so as to realize the stable bending of the legs of the patient until the feet land, thus not only improving the comfort of the bending of the legs and the contact of the feet of the patient, relieving the nervous mood of the patient, but also improving the convenience of the operation, reducing the working strength of medical personnel, and the flexible structure body is hidden at the bottom of the middle supporting board after being contracted, thus not occupying other spaces and causing obstruction to the movement of the bed body and the walking of the patient, the feet of the patient can not be blocked by landing, so that the patient can stand more conveniently, and the problems of the existing bed-chair conversion bed are effectively solved. And, the flexible structure realizes supporting through two vertical ejector pins and two vertical die-pins, has improved the reliability that the flexible structure supports the both legs effectively, the front end fixedly connected with a horizontal knee at vertical die-pin simultaneously, be equipped with the structure of a gyro wheel of arranging in the inboard support spout of vertical slide bar at the both ends of horizontal knee respectively, when the gliding in-process of vertical slide bar, two vertical die-pins can rely on the gyro wheel to carry out the appropriate adjustment of position, thereby make the activity of vertical die-pin more nimble smooth and easy, avoid appearing the card phenomenon of dying, guaranteed the flexible structure effectively and realized the flexible feasibility of bending through vertical slide bar and vertical die-pin. And the lower part of the bedstead can be connected with the bottom support frame through the lifting mechanism, and the bedstead can move up and down relative to the bottom support frame through the lifting mechanism, so that the height of the bedstead can be flexibly adjusted according to the actual condition of a patient, and the convenience in use is further improved. In addition, can also be provided with the deck plate that supplies the support section of thick bamboo that the infusion frame was placed and supplies article to place on the bedstead to be provided with the couple that is used for articulating the case history on headboard, the function is more various, thereby all provides very big convenience for medical personnel and patient, and effectively solved current medical bed and infusion support, put the thing platform and separately place and lead to the problem that occupation space is big. The utility model has the advantages of compact structure, reliable operation, safe and convenient use, and is suitable for various occasions such as families and medical care besides being suitable for hospital wards.

The present invention will be further described with reference to the accompanying drawings.

Drawings

Fig. 1 is a schematic perspective view of a first embodiment of the present invention.

Fig. 2 is a schematic sectional structure diagram of the first embodiment of the present invention.

Fig. 3 is a schematic sectional view of a chair according to a second embodiment of the present invention.

Fig. 4 is a schematic view of the bottom structure when the utility model is converted into a chair.

Fig. 5 is a schematic perspective view of a second embodiment of the present invention.

Fig. 6 is a schematic sectional structure diagram of a third embodiment of the present invention.

Fig. 7 is a schematic perspective view of a fourth embodiment of the present invention.

Fig. 8 is a schematic sectional view of the chair according to the fifth embodiment of the present invention.

Fig. 9 is a schematic perspective view of the chair according to the fifth embodiment of the present invention.

Fig. 10 is a schematic sectional view of the chair according to the sixth embodiment of the present invention.

Detailed Description

As shown in fig. 1-10, the multifunctional medical bed of the present invention comprises a bed frame 2 and a bed plate 3 disposed on the bed frame 2, wherein the bed plate 3 comprises a front support plate 31, a middle support plate 32 and a rear support plate 33. The bedstead 2 comprises a head cross beam, a longitudinal beam 21 respectively arranged at two ends of the head cross beam along the tail direction of the bedstead, a plurality of supporting cross beams horizontally arranged between the two longitudinal beams 21 and used for supporting a front supporting plate 31 and a middle supporting plate 32, and a plurality of supporting legs arranged at the bottoms of the two supporting cross beams, wherein the head cross beam, the longitudinal beam 21, the supporting cross beams and the supporting legs are detachably connected. The front support plate 31 and the middle support plate 32 may be formed of an integral plate or may be formed of a plurality of transverse plates connected by a plurality of longitudinal slats. Also, the middle support plate 32 may be fixed to the frame 2 by bolts, snaps, or other connectors.

The rear support plate 33 extends backward out of the bed frame 2 and is a flexible structure, the front end of the flexible structure is hinged to the middle support plate 32 or the rear end of the bed frame 2 and can be driven by a cylinder arranged on the bed frame 2 to drive a telescopic mechanism to bend downward and forward and contract at the bottom of the middle support plate 32, in this embodiment, the front end of the flexible structure is hinged to the rear end of the bed frame 2. Moreover, in order to make the structure of the present invention various, the flexible structure may adopt various different structural forms, for example, one of them is, as shown in fig. 1 to 6, made of a flexible sheet material in one piece, in this case, the flexible sheet material is a canvas, a plastic soft board, a sponge or a soft board made of other materials. Alternatively, as shown in fig. 7 to 10, the flexible structure is composed of a plurality of bars 331 arranged in parallel and at equal intervals, the length direction of each bar 331 is perpendicular to the front-back direction of the bed frame 2, and the bars 331 may be strips made of wood, metal or other materials. At this time, as shown in fig. 10, each of the transverse strips 331 is fixed on at least two parallel longitudinal flexible belts 332 disposed at intervals, specifically, the longitudinal flexible belts are soft adhesive tapes, chains or soft belts made of other materials, and are disposed along the front-back direction of the bed frame 2 and fixed on each of the transverse strips 331 by screws, snap-fit locations or other fixing members; as shown in fig. 7 to 9, two adjacent cross bars 331 are hinged together by a pin 333, specifically, a hinge position with a connecting hole is fixed or integrally arranged on each cross bar 331, and then the pin 333 passes through the connecting hole at the hinge position to hinge two adjacent cross bars 331 together. The utility model discloses when using, can also be equipped with the cushion (not shown in the figure) on bed board 3 upper berth, the type of falling L buckle 334 that this cushion is located the setting of the partial accessible afterbody backup pad 33 is fixed or fixed through the fixed band or fixed through other buckles, is provided with pin 335 at the tail end of afterbody backup pad 33 simultaneously.

In the present embodiment, the cylinder driven telescopic mechanism includes a first cylinder 41, a horizontal sliding frame 42 connected to a first piston rod 411 of the first cylinder 41, and two vertical push rods 43 and two longitudinal support rods 44 symmetrically disposed at two sides of the first piston rod 411. Wherein, the vertical mandril 43 is arranged from top to bottom and from back to front. The horizontal sliding rack 42 is composed of a longitudinal sliding rod 421 which is respectively arranged below the longitudinal beams 21 at the two sides of the bedstead 2 and can slide along the front and back directions of the bedstead 2, a guide clamping block 422 which is respectively and fixedly arranged on each longitudinal sliding rod 421, a transverse supporting rod 423 which is arranged between the tail ends of the two longitudinal sliding rods 421 and is vertical to the sliding direction, and a supporting sliding chute 424 which is respectively arranged at the inner side of the front end of each longitudinal sliding rod 421, the cylinder body of the first cylinder 41 is hinged at the bottom of the front end of the bedstead 2, and the front end of the first piston rod 411 of the first cylinder is hinged with the transverse; the lower end of the vertical ejector rod 43 is hinged with the transverse supporting rod 423, and the upper end of the vertical ejector rod is hinged with the tail end of the flexible structure body; the rear end of the longitudinal support rod 44 is fixedly connected with the tail end of the flexible structure body through welding or screws, and the front end of the longitudinal support rod is fixedly connected to a transverse curved rod 45 through welding or other modes; the transverse curved rod 45 is positioned between two supporting sliding grooves 424, two ends of the transverse curved rod are respectively provided with a roller 46 which is arranged in the supporting sliding grooves 424, the bottom of each longitudinal beam 21 is respectively and integrally formed with a guide rail 211 with a clamping groove 212, and the longitudinal sliding rod 421 is connected on the longitudinal beam 21 in a sliding mode through the matching connection of a guide clamping block 422 and the clamping groove 212 on the guide rail 211. In this embodiment, the guide clip 422 has a certain elasticity and is shaped like a Chinese character 'ao', and a triangular engaging protrusion engaged with the clip groove 212 is integrally formed on the inner side of the Chinese character 'ao'. The length direction of supporting chute 424 is the same with the slip direction of vertical slide bar 421 to by the limiting plate that is located the top and be located the below and the layer board that sets up relatively with the limiting plate, limiting plate and layer board all welded fastening are on vertical slide bar 421, and the layer board is the "L" type structure of placing horizontally, and the long limit of "L" type is connected with vertical slide bar 421 promptly. The front end of the longitudinal supporting rod 44 is provided with the roller 46, and the longitudinal sliding rod 421 is provided with the supporting chute 424 which is matched and connected with the longitudinal supporting rod, so that a certain front-back sliding space is formed between the longitudinal supporting rod 44 and the longitudinal sliding rod 421, the longitudinal supporting rod 44 can be effectively turned over, the phenomenon of jamming in the turning process of the longitudinal supporting rod 44 can be avoided, and the vertical top rod 43 is provided with a distance for turning over and dumping towards the direction of the bed tail. In addition, for better expansion and contraction, the first cylinder 41 is arranged from front to back and inclined from top to bottom. Moreover, the part of the longitudinal support rod 44 located at the bottom surface of the tail support plate 33 is a horizontal rod, the part connected with the transverse curved rod 45 is a straight rod which is inclined from back to front and from top to bottom, and the horizontal rod and the straight rod are connected through an arc-shaped rod body, so that sufficient supporting force is provided for the tail support plate 33. The transverse curved bar 45 is composed of a horizontal bar body, a section of longitudinal bar body arranged at two ends of the horizontal bar body respectively, and a joint bar arranged at the end part of each longitudinal bar body respectively, and each joint bar is connected with a roller 46.

The front support plate 31 can be turned upward by an angle less than or equal to 90 degrees with the trailing edge as a pivot⁰. In order to turn the front support plate 31, a turning control mechanism may be variously changed, for example, as shown in fig. 6, a driving cylinder 6 is provided on the frame 2, a cylinder body of the driving cylinder 6 is hinged to a support frame provided at the bottom of the frame 2, and the front support plate 31 is connected to a fourth piston rod 61 of the driving cylinder 6 to be turned by the driving cylinder 6. Alternatively, as shown in fig. 2 to 4 and fig. 8 and 10, a link mechanism connected to the front support plate 31 is provided on the frame 2, and the link mechanism is connected to a second cylinder 51 provided on the frame 2 to turn the front support plate 31. Alternatively, the bed frame 2 is provided with a link mechanism connected to the front support plate 31, and the link mechanism is linked with a cylinder-driven telescopic mechanism to turn over the front support plate 31 (not shown). Of course, the front support plate 31 may be manually turned.

In the present embodiment, the link mechanism includes a first link 52 inclined from front to back and from top to bottom, a second link 53 inclined in the opposite direction to the first link 52, and a third link 54 inclined in the opposite direction to the second link 53. When the second cylinder 51 is used for realizing overturning, the lower end of the first connecting rod 52 is hinged with the second piston rod 511 of the second cylinder 51, and at this time, the cylinder body of the second cylinder 51 is hinged at the bottom of the front end of the bedstead 2; when the cylinder is used to drive the telescopic mechanism to realize the turnover, the lower end of the first connecting rod 52 is hinged to the first piston rod 411 of the first cylinder 41. Meanwhile, the upper end of the first link 52 and the lower end of the second link 53 are fixed to a rotation shaft 55 rotatably provided on the frame 2 by welding, the upper end of the second link 52 is fixedly connected to the lower end of the third link 54 by welding or bolts, and the upper end of the third link 54 is fixedly connected to the front support plate 31 by welding or bolts.

In order to conveniently satisfy the use requirements of different patients and further improve the convenience of the utility model, as shown in fig. 5 and fig. 8 to fig. 10, a bottom support frame 1 is arranged under the bed frame 2, and the bed frame 2 is connected with the bottom support frame 1 through a lifting mechanism. Specifically, this bottom sprag frame 1 includes a longitudinal support pole and a plurality of horizontal bracing pieces that set up between two longitudinal support poles that head horizontal pole, head horizontal pole both ends respectively set up along the tailstock direction, and head horizontal pole, longitudinal support pole and horizontal bracing piece be detachable connections. In order to facilitate the movement of the frame 2, moving wheels may be provided on the bottom surface of the base support 1. Moreover, in order to make the utility model discloses a structure is various, and elevating system can be cylinder elevating system, screw rod elevating system, rack and pinion elevating system or other elevating system.

In the present embodiment, a cylinder lifting mechanism is mainly used, and the cylinder lifting mechanism includes a third cylinder 91, a front swing assembly, a rear swing assembly, and a push-pull assembly. The front swing component and the rear swing component respectively comprise a rotating shaft 92 and a swing rod 93, the rotating shaft 92 is connected between two support plates 22 which are arranged downwards on longitudinal beams 21 on two sides of the bedstead 2, the swing rod 93 is obliquely arranged from back to front and from top to bottom, the upper end of the swing rod is fixed on the rotating shaft 92, and the lower end of the swing rod is hinged with the bottom support frame 1; the push-pull assembly comprises a push-pull rod 94, a front linkage rod (not shown in the figure) and a rear linkage rod (not shown in the figure), the rear linkage rod is arranged from back to front and inclined from top to bottom, the upper end of the rear linkage rod is hinged with the tail end of the push-pull rod, the lower end of the rear linkage rod is fixed on a rotary shaft 92 at the front part, the front linkage rod and the rear linkage rod are arranged in the same direction, the upper end of the front linkage rod is hinged with the front end of the push-pull rod 94, the lower end of the front linkage rod is fixed on the rotary shaft 92 at the rear part, the front part of the push-pull rod 94 is hinged with the. Further, the push-pull rod 94 is composed of two rod bodies symmetrically disposed at both sides of the third piston rod 911, and an auxiliary rod is connected between the two rod bodies and passes through a connection hole formed in the third piston rod 911, so that the third piston rod 911 of the third cylinder 91 is connected to the push-pull rod 94 through the auxiliary rod.

In addition, if a screw lifting mechanism is adopted, four corners of the bed frame 2 are respectively connected with screws, and the screws are rotated through a motor and a turbine, so that the bed frame 2 can move up and down along the screw direction. If a gear rack lifting mechanism is adopted, a rack can be vertically arranged on the bedstead 2, and then the rack is driven by a motor and a gear to drive the bedstead 2 to move up and down.

In order to improve the comfort of the patient during sitting and resting, a foot support 12 is arranged at the tail part of the bottom support frame 1, and specifically, the foot support 12 is arranged at the tail end of the longitudinal support rod and is rotatably connected with the longitudinal support rod.

In order to make the utility model discloses a function is more various, and further improves the convenience of using, fixedly respectively is provided with the support section of thick bamboo 7 that supplies the infusion frame to place on the longeron 21 of 2 both sides of bedstead, during the use, can peg graft the bracing piece of infusion support in supporting a section of thick bamboo 7. In addition, a table top plate 8 for placing articles can be arranged on the outer side of the tail end of the bedstead 2 in a turnable way, so that when a patient eats or needs to place articles, the table top plate 8 can be turned up for use; when not in use, the bed frame can be turned to the side surface of the bed frame 2 for placing, thereby not causing obstruction to the movement of the patient. Meanwhile, a headboard 10 can be detachably connected to the front end of the bed frame 2, and a hook 11 for hanging a medical record is fixedly arranged on the headboard 10.

In order to further improve the safety of the utility model, the side rails 13 which can be rotatably folded are respectively arranged on the longitudinal beams 21 at the two sides of the bed frame 2. Specifically, the lower end of the guardrail 13 is hinged with the longitudinal beam 21 and is controlled to be folded or unfolded through a manual control switch. The guard rails 13 may be folded to be outwardly turned and placed on the outer side of the frame 2, or may be folded to be longitudinally turned and placed on the side rails 21.

The working principle of the utility model is as follows:

when the utility model needs to convert the bed into a chair, the front support plate 31 can be turned upwards to a required angle by a turning control mechanism or manually, and then the whole horizontal sliding frame 42 is pulled to move towards the direction of the bed head by the contraction of the first piston rod 411 of the first cylinder 41 acting on the transverse support rod 423 (if the front support plate 31 is turned over by the linkage of the connecting rod mechanism and the cylinder driving telescopic mechanism, the front support plate 31 does not need to be turned over first, and can be turned over synchronously along with the movement of the horizontal sliding frame 42), at this time, the roller 46 at the front end of the longitudinal support rod 44 slides towards the direction of the bed tail relative to the longitudinal slide rod 421 for a certain distance, so that the two vertical push rods 43 at the two sides of the first piston rod 411 overturn and tilt towards the direction of the bed tail by taking the lower end hinge point as a rotation fulcrum, and the two longitudinal support rods 44 at the two sides of the first piston, thereby releasing the support of the tail supporting plate 33 and moving the tail end of the tail supporting plate 33 downward; in the process of downward movement of the tail support plate 33, the vertical mandril 43 and the longitudinal support rod 44 are driven by the horizontal sliding frame 42 to move towards the direction of the bed head together, so that the tail support plate 33 bends and contracts towards the direction of the bed head while moving downwards and is hidden at the bottom of the middle support plate 32, and when the tail support plate 33 is completely hidden at the bottom of the middle support plate 32, the first air cylinder 41 stops working, so that the bed is converted into a chair state.

When the chair of the present invention needs to be converted into a bed for use, the whole horizontal sliding frame 42 can be pushed to move towards the direction of the bed tail by extending the first piston rod 411 of the first cylinder 41 acting on the horizontal support rod 423, so that the vertical push rod 43 can turn over and stand up towards the direction of the bed head with the lower end hinge point as the rotation fulcrum, when the vertical push rod 43 is turned up to a certain angle and the roller 46 slides towards the direction of the bed head with respect to the vertical slide rod 421 for a certain distance, the vertical support rod 44 turns over upwards with the roller 46 as the rotation fulcrum, thereby realizing the backward and upward straightening and unfolding of the rear support plate 33, when the rear support plate 33 is unfolded to be horizontal, the first cylinder 41 stops working, and then the front support plate 31 is turned over and attached to the bed frame 2 downwards by the turning control mechanism or the manual mode (if the front support plate 31 is turned over by the linkage of, the front support plate 31 does not need to be turned first and it can be turned synchronously with the movement of the horizontal sliding frame 42) so that the chair is converted into the state of the bed.

Although the present invention has been described with reference to particular embodiments, such description is not intended to be construed in a limiting sense. Other variations of the disclosed embodiments, as would be appreciated by those skilled in the art, are contemplated by reference to the description of the invention and are intended to be within the scope of the following claims.

Claims

1. The utility model provides a medical multifunctional bed, includes bedstead (2) and sets up bed board (3) on bedstead (2), its characterized in that: the bed board (3) consists of a front supporting plate (31), a middle supporting plate (32) and a tail supporting plate (33), the front supporting plate (31) can be turned upwards for a certain angle, the tail supporting plate (33) extends backwards out of the bedstead (2) and is a flexible structure body, the front end of the flexible structure body is hinged with the middle supporting plate (32) or the tail end of the bedstead (2) and can be driven by a cylinder arranged on the bedstead (2) to bend forwards downwards and contract at the bottom of the middle supporting plate (32), the bed can be converted into a chair state by turning upwards the front supporting plate (31) and bending forwards downwards and contracting the flexible structure body, and the flexible structure body is made of a whole flexible sheet material; or the flexible structure body is composed of a plurality of transverse strips (331) which are arranged in parallel at equal intervals, and each transverse strip (331) is respectively fixed on at least two longitudinal flexible belts (332) which are arranged in parallel at intervals or two adjacent transverse strips (331) are hinged together through a pin shaft (333).

2. The medical multifunctional bed according to claim 1, wherein: the flexible sheet is canvas, a plastic soft board or a sponge.

3. The medical multifunctional bed according to claim 1, wherein: the cylinder-driven telescopic mechanism comprises a first cylinder (41), a horizontal sliding frame (42) connected with a first piston rod (411) of the first cylinder (41), two vertical ejector rods (43) and two longitudinal support rods (44) which are symmetrically arranged at two sides of the first piston rod (411), wherein the horizontal sliding frame (42) consists of one longitudinal slide rod (421) respectively arranged below longitudinal beams (21) at two sides of a bed frame (2), guide clamping blocks (422) respectively arranged on the longitudinal slide rods (421), a transverse support rod (423) arranged between the tail ends of the two longitudinal slide rods (421) and a support sliding groove (424) respectively arranged at the inner sides of the front ends of the two longitudinal slide rods (421), a cylinder body of the first cylinder (41) is hinged at the bottom of the front end of the bed frame (2), the front end of a first piston rod (411) is hinged with the transverse support rod (423), the lower end of the vertical ejector rod (43) is hinged with the transverse support rod (423), the upper end of the longitudinal support rod (44) is hinged to the tail end of the flexible structure, the rear end of the longitudinal support rod is fixedly connected with the tail end of the flexible structure, the front end of the longitudinal support rod is fixedly connected to a transverse curved rod (45), the transverse curved rod (45) is located between two supporting sliding grooves (424), two ends of the transverse curved rod are respectively provided with a roller (46) arranged in the supporting sliding grooves (424), the bottom of each longitudinal beam (21) is respectively provided with a guide rail (211) with a clamping groove (212), and the longitudinal sliding rod (421) is connected to the longitudinal beam (21) in a sliding mode through the matching connection of a guide clamping block (422) and the clamping groove (212) in the guide rail (211).

4. The medical multifunctional bed according to claim 1, wherein: the longitudinal beams (21) at the two sides of the bedstead (2) are respectively provided with a supporting cylinder (7) for placing the transfusion frame.

5. The medical multifunctional bed according to claim 1, wherein: the outer side of the tail end of the bedstead (2) is provided with a table board (8) for placing articles in a turnover way.

6. The medical multifunctional bed according to claim 1, wherein: the front end of the bedstead (2) is detachably connected with a headboard (10), and the headboard (10) is provided with a hook (11) for hanging a medical record.

7. The medical multifunctional bed according to claim 1, wherein: a driving cylinder (6) is arranged on the bedstead (2), and the front supporting plate (31) is connected with a fourth piston rod (61) of the driving cylinder (6) to realize overturning through the driving cylinder (6); or a connecting rod mechanism connected with the front supporting plate (31) is arranged on the bedstead (2), and the connecting rod mechanism is connected with a second air cylinder (51) arranged on the bedstead (2) to realize the turnover of the front supporting plate (31); or the link mechanism and the cylinder drive telescopic mechanism are linked to realize the turnover of the front supporting plate (31).

8. The medical multifunctional bed according to claim 1, wherein: the bed frame is characterized in that a bottom support frame (1) is arranged below the bed frame (2), and the bed frame (2) is connected with the bottom support frame (1) through a lifting mechanism.

9. The medical multifunctional bed according to claim 8, wherein: the lifting mechanism is a cylinder lifting mechanism, a screw lifting mechanism or a gear rack lifting mechanism.

10. The medical multifunctional bed according to claim 8, wherein: the tail part of the bottom support frame (1) is provided with a foot support (12).