CN216798065U - Nursing bed folding mechanism and multifunctional nursing bed - Google Patents

Abstract

The utility model relates to the technical field of medical care equipment, in particular to a nursing bed folding mechanism and a multifunctional nursing bed, which comprise a head fixing frame, a hip fixing frame, a tail fixing frame, a first supporting rod and a second supporting rod, wherein the head fixing frame, the hip fixing frame, the tail fixing frame, the first supporting rod and the second supporting rod are sequentially hinged; one end of the first supporting rod and one end of the second supporting rod are rotatably fixed in the middle of the hip fixing frame, and the other ends of the first supporting rod and the second supporting rod are rotatably connected with the head fixing frame and the tail fixing frame respectively; the buttock fixing frame is provided with a sliding groove arranged in the vertical direction, a sliding pin is arranged in the sliding groove, and the sliding pin is rotatably connected with a first connecting rod and a second connecting rod which are respectively hinged with the first supporting rod and the second supporting rod. The folding mechanism provided by the utility model has the advantages of simple and firm structure, convenience and safety in operation, and capability of automatically realizing folding and unfolding of the nursing bed, so that packing and transportation are more convenient, and the assembly efficiency is effectively improved.

Description

Nursing bed folding mechanism and multifunctional nursing bed

Technical Field

The utility model relates to the technical field of medical care equipment, in particular to a nursing bed folding mechanism and a multifunctional nursing bed.

Background

With the advancement and development of science and technology, medical care beds are widely used in the life of people, such as hospitals, nursing homes, rehabilitation centers, families and the like. The existing nursing bed is basically composed of a bed head, a bed tail, a back-rising movable frame, a hip fixed frame, a leg movable frame, a fixed frame and other parts, such as a patent number CN201720944156.4, a multifunctional nursing bed disclosed in 2019, 05 and 28 days, and comprises a support frame, a movable frame arranged on the upper side of the support frame, a bed board assembly arranged on the movable frame, bed headboards and bed tail boards, wherein the bed head boards and the bed tail boards are respectively fixed on guardrails on two sides of the movable frame and detachably connected with the movable frame, the movable frame is hinged on the support frame through a first lifting mechanism, and a second lifting mechanism hinged with the bed board assembly is arranged on the movable frame.

Above-mentioned patent can satisfy nursing patient's basic demand, reduces nursing staff intensity of labour, but all dismantles the problem of packing transportation with above-mentioned several big parts when having the packing to no matter be the dismantlement or assemble, all need many people to help the equipment work, waste time and energy, extravagant packaging material, manufacturing cost is high.

SUMMERY OF THE UTILITY MODEL

In order to solve the defect that the nursing bed in the prior art is inconvenient to transport and store, the utility model provides a nursing bed folding mechanism,

comprises a head fixing frame, a tail fixing frame, a hip fixing frame, a first supporting rod and a second supporting rod;

one end of the head fixing frame and one end of the tail fixing frame are symmetrically hinged on two sides of the buttock fixing frame to form a bedstead, and the other end of the head fixing frame and the tail fixing frame are rotatably connected with the head cross bar frame and the tail cross bar frame;

one end of the first supporting rod and one end of the second supporting rod are rotatably fixed at the middle position of the hip fixing frame through a positioning pin shaft, and the other ends of the first supporting rod and the second supporting rod are rotatably connected with the head cross rod frame and the tail cross rod frame respectively;

the buttock fixed frame is provided with the spout of arranging along vertical direction below being located the locating pin axle, the inside sliding pin that is provided with spout sliding connection of spout, and the sliding pin rotationally is connected with first connecting rod, second connecting rod, and first connecting rod, second connecting rod still articulate with first bracing piece, second bracing piece respectively.

In one embodiment, in a fully unfolded state of the nursing bed folding mechanism, in a vertical direction, a hinge point between the first connecting rod and the first supporting rod is positioned between the positioning pin shaft and the sliding groove;

the first support rod and the second support rod are symmetrically arranged relative to the sliding groove, and the first connecting rod and the second connecting rod are symmetrically arranged relative to the sliding groove.

In an embodiment, a connecting seat is arranged below the hip fixing frame, the connecting seat is composed of two parallel connecting plates, a positioning pin shaft is erected on the two connecting plates, strip-shaped grooves are correspondingly formed in the middles of the two connecting plates to form sliding grooves, one end, connected with a sliding pin, of a first supporting rod and a second supporting rod is located between the two connecting plates, the sliding pin is erected on the strip-shaped grooves, and the first connecting rod and the second connecting rod are arranged between the two connecting plates.

In one embodiment, the hip joint device further comprises a tail telescopic driving part arranged on the tail cross rod frame, and the tail telescopic driving part is used for driving the tail fixing frame to rotate around a hinge point between the tail fixing frame and the hip fixing frame.

In one embodiment, the device further comprises a back lifting moving mechanism arranged on the head fixing frame; the back lifting movable mechanism comprises a back lifting movable frame, a back lifting assembly and a head telescopic driving piece; the telescopic end of the head telescopic driving piece is hinged with the back lifting assembly, and the back lifting assembly is hinged with the back lifting movable frame; the back lifting assembly is driven by the head telescopic driving piece, so that the back lifting movable frame can rotate around a hinge point between the back lifting movable frame and the back lifting assembly.

In one embodiment, the nursing bed folding mechanism further comprises a locking bolt which is detachably connected with the back lifting movable mechanism and the head fixing frame and is used for fixing the relative position between the back lifting movable mechanism and the head fixing frame when the nursing bed is folded.

In one embodiment, the back lifting assembly comprises a guide rail bracket, a supporting circular tube, a back lifting rotating shaft, a back lifting connecting rod and a back lifting supporting rod; the guide rail brackets are arranged on two sides of the end part of the head fixing frame close to one end of the hip fixing frame, and the supporting circular tubes are arranged on the guide rail brackets on the two sides and are in sliding connection with the guide rail brackets; the support circular tube is hinged with the end part of the back lifting movable frame through a first hinge, the support circular tube is connected with a back lifting connecting rod, and the back lifting connecting rod is hinged with a back lifting rotating shaft through a second hinge;

two ends of the back lifting rotating shaft are rotatably erected in the head fixing frame; the back lifting rotating shaft is in rolling connection with the back lifting movable frame through a roller at the tail end of the back lifting support rod and is hinged with the telescopic end of the head telescopic driving piece through a third hinge piece; the fixed end of the head telescopic driving piece is hinged with the fourth hinging piece at the end part of the head fixing frame.

In one embodiment, the second hinge, the third hinge, the back support rod and the back rotating shaft are integrally welded.

In one embodiment, the device also comprises a leg moving mechanism arranged on the tail fixing frame; the leg moving mechanism comprises a thigh moving frame, a shank moving frame and a telescopic adjustable pull rod;

one end of the thigh movable frame is rotatably connected with the end part of the tail fixing frame close to the hip fixing frame, and the other end of the thigh movable frame is rotatably connected with the end part of the shank movable frame; one end of the telescopic adjustable pull rod is hinged with the shank movable frame, and the other end of the telescopic adjustable pull rod is hinged with the tail fixing frame.

In one embodiment, the folding mechanism of the nursing bed further comprises a locking bolt which is detachably connected with the leg moving mechanism and the tail fixing frame and is used for fixing the relative position between the leg moving mechanism and the tail fixing frame when the nursing bed is folded.

In one embodiment, the telescopic end of the tail telescopic driving piece is hinged with the thigh movable frame, and the fixed end of the tail telescopic driving piece is hinged with the fifth hinge piece of the tail cross bar frame;

the tail telescopic driving piece and the head telescopic driving piece are one of an electric telescopic device, a pneumatic telescopic device and a hydraulic telescopic device.

The utility model also provides a multifunctional nursing bed, which comprises the nursing bed folding mechanism, and further comprises a bed head structure and a bed tail structure which are respectively arranged at the end parts of the head fixing frame and the tail fixing frame.

In one embodiment, the bed head structure and the bed tail structure are respectively provided with a lifting mechanism capable of driving the nursing bed folding mechanism to lift.

In one embodiment, a plurality of universal wheels are arranged at the bottoms of the bed head structure and the bed tail structure, and braking devices are arranged on the universal wheels.

Based on the above, compared with the prior art, the nursing bed folding mechanism provided by the utility model has the advantages of simple and firm structure, convenience and safety in operation, and capability of automatically folding and unfolding the nursing bed, so that the nursing bed is more convenient to pack, transport and store, and the assembly efficiency is effectively improved.

Additional features and advantages of the utility model will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model. The objectives and other advantages of the utility model will be realized and attained by the structure particularly pointed out in the written description and drawings.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts; in the following description, the drawings are illustrated in a schematic view, and the drawings are not intended to limit the present invention.

FIG. 1 is a perspective view of a multi-functional nursing bed provided by the present invention;

FIG. 2 is a front view of the multi-functional nursing bed provided by the present invention;

FIG. 3 is a perspective view of the folding mechanism of the nursing bed according to the present invention;

FIG. 4 is a sectional view of the folding mechanism of the nursing bed provided by the present invention in a folded state;

FIG. 5 is a front view of the folding mechanism of the nursing bed according to the present invention in a final folded state;

FIG. 6 is a back rising state perspective view of the back rising mechanism of the nursing bed;

FIG. 7 is a front view of the back-up state of the back-up mechanism of the nursing bed;

FIG. 8 is a top view of the multifunctional nursing bed provided by the present invention;

fig. 9 is a cross-sectional view a-a of fig. 8.

Reference numerals:

100 head fixing frame 200 tail fixing frame 300 buttock fixing frame

110 first support bar 210 second support bar 310 positioning pin

320 chute 330 slide pin 120 first link

220 second connecting rod 240 tail telescopic driving piece 400 back lifting moving mechanism

Head telescopic driving piece of 410 back lifting movable frame 420 back lifting assembly 430

421 guide rail support 422 supports round tube 423 to play back pivot

Leg moving mechanism of 424 back lifting connecting rod 425 back lifting supporting rod 500

510 thigh movable frame 520 shank movable frame 530 telescopic adjustable pull rod

600 head of a bed structure 700 tailstock structure 800 elevating system

900 universal wheel 130 head cross bar frame 230 tail cross bar frame

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, but not all embodiments; the technical features designed in the different embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other; all other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be noted that all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the present invention belongs, and are not to be construed as limiting the present invention; it will be further understood that terms used herein should be interpreted as having a meaning that is consistent with their meaning in the context of this specification and the relevant art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.

The utility model provides a nursing bed folding mechanism:

comprises a head fixing frame 100, a tail fixing frame 200, a hip fixing frame 300, a first supporting rod 110 and a second supporting rod 210;

one ends of the head fixing frame 100 and the tail fixing frame 200 are symmetrically hinged at two sides of the hip fixing frame 300 to form a bed frame, and the other ends are rotatably connected with the head cross bar frame 130 and the tail cross bar frame 230;

one end of the first support bar 110 and one end of the second support bar 210 are rotatably fixed at the middle position of the hip mount 300 by a positioning pin shaft 310, and the other ends are rotatably connected with the head cross bar frame 130 and the tail cross bar frame 230 respectively;

the buttock fixing frame 300 is provided with a sliding groove 320 arranged along the vertical direction below the positioning pin shaft 310, a sliding pin 330 slidably connected with the sliding groove 320 is arranged inside the sliding groove 320, the sliding pin 330 is rotatably connected with a first connecting rod 120 and a second connecting rod 220, and the first connecting rod 120 and the second connecting rod 220 are further hinged with the first supporting rod 110 and the second supporting rod 210 respectively.

In specific implementation, as shown in fig. 3, 4 and 5, the nursing bed folding mechanism includes a head cross bar frame 130, a head fixing frame 100, a hip fixing frame 300, a tail fixing frame 200 and a tail cross bar frame 230, which are rotatably connected in sequence; wherein the hip mount 300 structure can limit the head mount 110 and the tail mount 300 at both ends to rotate only downwards. In addition, both ends of the head cross bar frame 130 and the tail cross bar frame 230 are provided with limiting hinge elements for being hinged with the head fixing frame 100 and the tail fixing frame 200.

Preferably, in a fully unfolded state of the nursing bed folding mechanism, the hinge point between the first link 120 and the first support bar 110 is located between the positioning pin 310 and the sliding groove 320 in the vertical direction.

Preferably, a connecting seat with a downward opening is arranged below the hip fixing frame 300, the connecting seat is detachably locked by two parallel connecting plates, a strip-shaped groove is correspondingly arranged in the middle of the two connecting plates to form a sliding groove 320, wherein a positioning pin shaft 310 is erected on the two connecting plates, the first supporting rod 110 and the second supporting rod 210 penetrate into the connecting seat and are connected with the positioning pin shaft 310, a sliding pin 330 is erected on the strip-shaped groove, and the first connecting rod 120 and the second connecting rod 220 are arranged in the connecting seat; the opening of the connecting seat can limit the first support bar 110 and the second support bar 210 to only rotate downwards. In addition, the first support rod 110 and the second support rod 210 are respectively provided with an avoiding notch, when the folding is performed, because the first support rod 110 and the second support rod 210 can gradually get close, the avoiding notch can avoid interfering with the sliding pin 330 in the middle.

Preferably, the folding mechanism of the nursing bed further comprises a tail telescopic driving member 240 disposed on the tail cross bar 230, wherein the tail telescopic driving member 240 is used for driving the tail fixing frame 200 to move towards the hip fixing frame 300.

The first support rod 110, the first connecting rod (120), the positioning pin shaft 310 and the sliding groove 320 form a first sliding block rocker mechanism, and the second support rod 210, the second connecting rod (220), the positioning pin shaft 310 and the sliding groove 320 form a second sliding block rocker mechanism. Because the common sliding block sliding groove and the rocker hinge point, the first sliding block rocker mechanism and the second sliding block rocker mechanism synchronously move.

Preferably, the first and second support bars 110 and 210 are symmetrically disposed about the sliding slot 320, and the first and second links 120 and 220 are symmetrically disposed about the sliding slot 320.

The folding principle of the nursing bed folding mechanism mainly utilizes the symmetrical quadrilateral principle, and the movement synchronism is kept through the four connecting rods, so that the folding is realized. Specifically, the rear mount 200, the rear crossbar 230, the second support bar 210, and the hip mount 300 form a first quadrilateral structure, and the head mount 100, the head crossbar 130, the first support bar 110, and the hip mount 300 form a second quadrilateral structure. When folding, utilize the flexible driving piece 240 of afterbody on the afterbody crossbar frame 230 to drive afterbody mount 200 and rotate around its and the pin joint between the buttock mount 300, make the diagonal of first quadrangle structure become long, afterbody mount 200 rotates upwards around afterbody crossbar frame 230, buttock mount 300 slowly rises, utilize first slider rocker mechanism and second slider rocker mechanism motion synchronism, then second quadrangle structure follows to fold, its head mount 200 is equally around head crossbar frame 130 and upwards rotates, make head mount 100, afterbody mount 200 draw close to the centre. When the extending stroke of the tail telescopic driving member 240 reaches the maximum, the head fixing frame 100 and the tail fixing frame 200 are perpendicular to the hip fixing frame 300, and the folding is completed. When deployment is performed, deployment can be achieved by reducing the stroke of the tail telescopic drive 240.

Through the setting of above-mentioned nursing bed folding mechanism, the user only can realize folding and the expansion of nursing bed through the flexible driving piece 240 of a switch control afterbody, and its easy operation is convenient, is convenient for pack, transport, has greatly saved operating efficiency, provides convenience for the user.

Preferably, a back lifting mechanism 400 is further included on the head mount 100; the back lifting mechanism 400 comprises a back lifting movable frame 410, a back lifting assembly 420 and a head telescopic driving piece 430;

the telescopic end of the head telescopic driving piece 430 is hinged with the back lifting assembly 420, and the back lifting assembly 420 is hinged with the back lifting movable frame 410; the back lifting assembly 420 can rotate the back lifting movable frame 410 around the hinge point between the back lifting movable frame and the back lifting assembly 420 under the driving of the head telescopic driving piece 430.

In specific implementation, the back-up movable frame 410 can be driven to be turned up by the link of the back-up assembly 420 only by controlling the extension of the head-telescopic driving member 430. The back-lifting assembly 420 can adopt a conventional four-bar linkage mechanism, and then cooperate with the head telescopic driving member 430 to drive the back-lifting movable frame 410 to be lifted.

Preferably, the folding mechanism of the nursing bed further comprises a locking latch detachably connecting the back-lifting moving mechanism 400 and the head fixing frame 100 for fixing the relative position between the back-lifting moving mechanism 400 and the head fixing frame 100 when the nursing bed is folded.

Preferably, the back rising assembly 420 comprises a guide rail bracket 421, a supporting circular tube 422, a back rising rotating shaft 423, a back rising connecting rod 424 and a back rising supporting rod 425; the guide rail brackets 421 are arranged at two sides of the end part of the head fixing frame 100 close to one end of the hip fixing frame 300, and the supporting circular pipes 422 are erected on the guide rail brackets 421 at two sides and are in sliding connection with the guide rail brackets 421; the supporting circular tube 422 is hinged with the end part of the back lifting movable frame 410 through a first hinge, the supporting circular tube 422 is connected with a back lifting connecting rod 424, and the back lifting connecting rod 424 is hinged with a back lifting rotating shaft 423 through a second hinge;

the two ends of the back-lifting rotating shaft 423 are rotatably erected in the head fixing frame 100; the back lifting rotating shaft 423 is hinged with the back lifting movable frame 410 through a back lifting supporting rod 425 and is also hinged with the telescopic end of the head telescopic driving piece 430 through a third hinge piece; the fixed end of the head telescopic driving member 430 is hinged with the fourth hinge at the end of the head fixing frame 100.

In specific implementation, as shown in fig. 6, 7, 8, and 9, the working principle is that the head telescopic driving member 430, the head fixing frame 100 hinged to the back lifting rotating shaft 423, and the third hinge member constitute a slider rocker mechanism, the head telescopic driving member 430 extends out to drive the back lifting rotating shaft 423 to rotate clockwise through the fourth hinge member, and the back lifting support rod 425 located on the back lifting rotating shaft 423 rotates clockwise synchronously, so as to drive the back lifting movable frame 410 to be tilted upward, thereby realizing the automatic back lifting action of the user; meanwhile, the head fixing frame 100 provided with the guide rail bracket 421, the third hinge and the back lifting connecting rod 424 form a slider rocker mechanism, and the back lifting rotating shaft 423 pulls the supporting circular tube 422 to move along the guide rail bracket 421 towards the back lifting rotating shaft 423 through the third hinge and the back lifting connecting rod 424, so that the distance between the back lifting movable frame 410 and the hip fixing frame 300 is gradually increased. Wherein, the increase of the distance makes the back-lifting adjustable frame 410 extend, thereby preventing the abdomen of the user from being squeezed and making the back-lifting process more comfortable.

It should be noted that the distance between the back-lifting movable frame 410 and the hip fixing frame 300 can be set according to the size of the actual nursing bed and the comfort of the user, and the distance is the same as the stroke length of the rail bracket 421, and preferably, the distance can be set to be 30-120 mm.

Preferably, the second hinge, the third hinge, and the back support shaft 425 are integrally welded to the back rotation shaft 423.

Preferably, the leg moving mechanism 500 is arranged on the tail fixing frame 200; the leg moving mechanism 500 comprises a thigh moving frame 510, a shank moving frame 520 and a telescopic adjustable pull rod 530;

one end of the thigh movable frame 510 is rotatably connected with the tail fixing frame 200 close to the end of the hip fixing frame 300, and the other end is rotatably connected with the end of the shank movable frame 520; one end of the telescopic adjustable pull rod 530 is hinged with the shank adjustable frame 520, and the other end is hinged with the tail fixing frame 200. Preferably, the rear telescopic driving member 240 has a telescopic end hinged to the thigh movable frame 510 and a fixed end hinged to the fifth hinge of the rear cross frame 230.

In specific implementation, when the leg moving mechanism 500 is operated, the extending motion of the tail telescopic driving member 240 drives the thigh moving frame 510 and the shank moving frame 520 to tilt upwards, so that the thigh moving frame 510 and the shank moving frame 520 are inverted V-shaped, and the shank moving frame 520 is supported by the telescopic adjustable rod 530, thereby lifting the leg of the user.

Preferably, the folding mechanism of the nursing bed further comprises a locking latch detachably connecting the leg moving mechanism 500 and the tail fixing frame 200 for fixing the relative position between the leg moving mechanism 500 and the tail fixing frame 200 when the nursing bed is folded.

It should be noted that, in order to reduce the overall weight of the mechanism and avoid using too many telescopic driving members to perform various operations, the leg raising operation and the folding operation of the leg portion moving mechanism 500 are performed using the same tail telescopic driving member 240. Specifically, when the folding action is required, the thigh movable frame 510 needs to be fixedly locked on the tail fixing frame 200 through the fixing and locking member, and the tail telescopic driving member 240 only drives the tail fixing frame 200 to move when acting; when the leg-raising action is required, it is required to ensure that the thigh moving frame 510 is not locked with the tail fixing frame 200, and the tail telescopic driving member 240 only drives the leg moving mechanism 500 to move when acting. Through the structure setting, can effectively reduce the driving piece, weight reduction through two sets of flexible driving pieces alright accomplish lean forward backward, play back of the body and go up and down, shank lifting, from extending the position belly decompression, a key is automatic functions such as folding, effectively improves the practicality and the commonality of nursing bed.

Preferably, the tail telescopic driving member 240 and the head telescopic driving member 430 are one of an electric telescopic device, a pneumatic telescopic device and a hydraulic telescopic device. For example, a linear push rod motor, an electric cylinder, a hydraulic push rod, an electromagnetic push rod, a pneumatic push rod, etc. may be selected.

The utility model also provides a multifunctional nursing bed, which comprises the nursing bed folding mechanism, and further comprises a bed head structure 600 and a bed tail structure 700 which are respectively arranged at the end parts of the head fixing frame 100 and the tail fixing frame 200. Preferably, the bed head structure 600 and the bed tail structure 700 are respectively provided with a lifting mechanism 800 capable of driving the folding mechanism of the nursing bed to lift.

In specific implementation, as shown in fig. 1 and 2, the bedside structure 600 includes a bedside raising frame 610 and a bedside fixing frame 620, wherein the bedside raising frame 610 is fixedly connected to the head cross bar frame 130, a fixed end of the lifting mechanism 800 is connected to the bedside fixing frame 620, and a movable end is connected to the bedside raising frame 610; the bed tail structure 700 comprises a bed tail lifting frame 710 and a bed tail fixing frame 720, wherein the bed tail lifting frame 710 is fixedly connected with the tail cross bar frame 230, the fixed end of the other group of lifting mechanisms 800 is connected with the bed tail fixing frame 720, and the movable end is connected with the bed tail lifting frame 710. Through the arrangement of the structure, the lifting mechanism 800 can drive the bed head lifting frame 610 and the bed tail lifting frame 710 to lift, and further drive the whole bed frame to lift, thereby realizing the function of integral lifting of the bed frame of the nursing bed.

It should be noted that the lifting mechanism 800 is not limited to the way of sleeving the lifting frame with the fixing frame and matching with the push rod as shown in the drawing, and may also adopt a conventional lifting way such as a lead screw nut matching motor, a guide rail slider matching motor, etc.

Preferably, a plurality of universal wheels 900 are arranged at the bottom of the bed head structure 600 and the bed tail structure 700, and a brake device is arranged on the universal wheels 900.

In conclusion, compared with the prior art, the multifunctional nursing bed provided by the utility model can realize the functions of quick one-key automatic folding and unfolding, is convenient to pack and carry, saves space, can realize the functions of forward leaning and backward leaning, integral lifting, back lifting and lifting, leg lifting, self-extending abdomen pressure reduction and the like, and has good application prospect.

In addition, it will be appreciated by those skilled in the art that, although there may be many problems with the prior art, each embodiment or aspect of the present invention may be improved only in one or several respects, without necessarily simultaneously solving all the technical problems listed in the prior art or in the background. It will be understood by those skilled in the art that nothing in a claim should be taken as a limitation on that claim.

Although terms such as head mount, tail mount, hip mount, first support bar, second support bar, positioning pin, slide way, slide pin, first link bar, second link bar, tail telescopic driving member, back raising moving mechanism, back raising moving frame, back raising assembly, head telescopic driving member, guide rail bracket, support tube, back raising rotating shaft, back raising link bar, back raising support bar, leg moving mechanism, thigh moving frame, shank moving frame, telescopic adjustable pull rod, bed head structure, bed tail structure, lifting mechanism, universal wheel, head crossbar frame, tail crossbar frame, etc. are used more often herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention; the terms "first," "second," and the like in the description and in the claims, and in the drawings, if any, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the utility model has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims (10)

1. The utility model provides a nursing bed folding mechanism which characterized in that: comprises a head fixing frame (100), a tail fixing frame (200), a hip fixing frame (300), a first supporting rod (110) and a second supporting rod (210);

one ends of the head fixing frame (100) and the tail fixing frame (200) are symmetrically hinged on two sides of the hip fixing frame (300) to form a bed frame, and the other ends are rotatably connected with the head cross bar frame (130) and the tail cross bar frame (230);

one end of the first supporting rod (110) and one end of the second supporting rod (210) are rotatably fixed at the middle position of the hip fixing frame (300) through a positioning pin shaft (310), and the other ends of the first supporting rod and the second supporting rod are respectively rotatably connected with the head cross rod frame (130) and the tail cross rod frame (230);

the buttock mount (300) is provided with spout (320) of arranging along vertical direction below lieing in locating pin axle (310), spout (320) inside be provided with spout (320) sliding connection's slide pin (330), slide pin (330) rotationally is connected with first connecting rod (120), second connecting rod (220), first connecting rod (120), second connecting rod (220) still articulate with first bracing piece (110), second bracing piece (210) respectively.

2. The care bed folding mechanism of claim 1, characterized in that: in the state that the nursing bed folding mechanism is completely unfolded, a hinge point between the first connecting rod (120) and the first supporting rod (110) is positioned between the positioning pin shaft (310) and the sliding chute (320) in the vertical direction;

the first support rod (110) and the second support rod (210) are symmetrically disposed about the sliding groove (320), and the first link (120) and the second link (220) are symmetrically disposed about the sliding groove (320).

3. The care bed folding mechanism of claim 1, characterized in that: buttock mount (300) below is provided with a connecting seat, the connecting seat comprises two parallel connecting plates, set pin axle (310) erect on two connecting plates, and two connecting plate middle parts correspond and are provided with the bar groove in order to form spout (320), first bracing piece (110) second bracing piece (210) are connected the one end of sliding pin (330) is located between two connecting plates, sliding pin (330) erect on the bar groove, first connecting rod (120) and second connecting rod (220) set up between two connecting plates.

4. The care bed folding mechanism of claim 1, wherein: the tail part cross bar frame is characterized by further comprising a tail part telescopic driving part (240) arranged on the tail part cross bar frame (230), wherein the tail part telescopic driving part (240) is used for driving the tail part fixing frame (200) to rotate around a hinge point between the tail part fixing frame and the hip part fixing frame (300).

5. The care bed folding mechanism of claim 4, characterized in that: also comprises a back lifting moving mechanism (400) arranged on the head fixing frame (100); the back lifting movable mechanism (400) comprises a back lifting movable frame (410), a back lifting assembly (420) and a head telescopic driving piece (430); the telescopic end of the head telescopic driving piece (430) is hinged with a back lifting assembly (420), and the back lifting assembly (420) is hinged with a back lifting movable frame (410); the back lifting assembly (420) can enable the back lifting movable frame (410) to rotate around a hinge point between the back lifting movable frame and the back lifting assembly (420) under the driving of the head telescopic driving piece (430);

the nursing bed folding mechanism also comprises a fixed locking bolt which is detachably connected with the back lifting movable mechanism (400) and the head fixing frame (100) and is used for fixing the relative position between the back lifting movable mechanism (400) and the head fixing frame (100) when the nursing bed is folded.

6. The care bed folding mechanism of claim 5, characterized in that: the back lifting assembly (420) comprises a guide rail bracket (421), a supporting round pipe (422), a back lifting rotating shaft (423), a back lifting connecting rod (424) and a back lifting supporting rod (425); the guide rail brackets (421) are arranged on two sides of the end part of the head fixing frame (100) close to one end of the hip fixing frame (300), and the supporting circular pipes (422) are erected on the guide rail brackets (421) on the two sides and are in sliding connection with the guide rail brackets (421); the supporting circular tube (422) is hinged with the end part of the back lifting movable frame (410) through a first hinge, the supporting circular tube (422) is connected with the back lifting connecting rod (424), and the back lifting connecting rod (424) is hinged with the back lifting rotating shaft (423) through a second hinge;

the two ends of the back lifting rotating shaft (423) are rotatably erected in the head fixing frame (100); the back lifting rotating shaft (423) is in rolling connection with the back lifting movable frame (410) through a roller at the tail end of the back lifting supporting rod (425) and is hinged with the telescopic end of the head telescopic driving piece (430) through a third hinge piece; the fixed end of the head telescopic driving piece (430) is hinged with a fourth hinge piece at the end part of the head fixing frame (100).

7. The care bed folding mechanism of claim 6, characterized in that: the second hinge piece, the third hinge piece, the back lifting support rod (425) and the back lifting rotating shaft (423) are integrally welded.

8. The care bed folding mechanism of claim 4, characterized in that: the leg moving mechanism (500) is arranged on the tail fixing frame (200); the leg moving mechanism (500) comprises a thigh moving frame (510), a shank moving frame (520) and a telescopic adjustable pull rod (530);

one end of the thigh movable frame (510) is rotatably connected with the end part of the tail fixing frame (200) close to the hip fixing frame (300), and the other end of the thigh movable frame is rotatably connected with the end part of the shank movable frame (520); one end of the telescopic adjustable pull rod (530) is hinged with the shank movable frame (520), and the other end is hinged with the tail fixing frame (200);

the nursing bed folding mechanism also comprises a fixed locking bolt which is detachably connected with the leg moving mechanism (500) and the tail fixing frame (200) and is used for fixing the relative position between the leg moving mechanism (500) and the tail fixing frame (200) when the nursing bed is folded.

9. The care bed folding mechanism of claim 8, wherein: the telescopic end of the tail telescopic driving piece (240) is hinged with the thigh movable frame (510), and the fixed end is hinged with the fifth hinge piece of the tail cross bar frame (230);

the tail telescopic driving piece (240) and the head telescopic driving piece (430) are one of an electric telescopic device, a pneumatic telescopic device and a hydraulic telescopic device.

10. A multifunctional nursing bed is characterized in that: comprises a folding mechanism of a nursing bed as claimed in any one of claims 1 to 9, and further comprises a head structure (600) and a tail structure (700) respectively arranged at the ends of the head fixing frame (100) and the tail fixing frame (200).

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