CN209059745U - A kind of decompression medical bed - Google Patents

Abstract

The utility model discloses a kind of decompression medical beds, and one end of bedstead and walker including being equipped with intermediate bed board, intermediate bed board is equipped with backboard, and backboard movable type link rod turnover mechanism is equipped between backboard and bedstead；The other end of intermediate bed board is equipped with thigh plate, is hinged with calf plate on thigh plate, and thigh plate movable type link rod turnover mechanism is equipped between thigh plate and bedstead；The both ends of walker are equipped with jacking element, and the tilted deflecting assembly being connected with bedstead is equipped on two jacking elements, and an at least tilted deflecting assembly, which is equipped with, turns over driving mechanism.It drives backboard and thigh plate to overturn by backboard, thigh plate movable type link rod turnover mechanism, and backboard and thigh plate can be made to generate displacement, avoid the problem of squeezing abdomen；By transition of the tilted deflecting assembly between jacking element and bedstead, the connection area with bedstead is increased, stability of strutting system is improved；The inclination that bedstead is realized by jacking element, the deflection of bedstead is realized by turning over driving mechanism, achievees the purpose that patient is helped to turn over.

Description

A kind of decompression medical bed

Technical field

The utility model relates to a kind of decompression medical beds.

Background technique

Currently, the bed board in medical bed includes the intermediate bed board being fixedly installed on bedstead, one end hinge of the intermediate bed board It is connected to backboard, the other end of the intermediate bed board is hinged with thigh plate, calf plate is hinged on thigh plate, in order to make backboard and thigh Plate overturns and realizes the effect that patients back and leg are lifted, and bedstead is equipped with the jacking element being connected with backboard and thigh plate Or other mechanisms provide driving force.

It is in use using the bed board of the structure, since backboard and thigh plate are directly hinged on intermediate bed board, jacking member Part or other mechanisms come when backboard or thigh plate being driven to be overturn, backboard or thigh plate in overturning, will around with intermediate bed The hinged place of plate is overturn, and during overturning, the angle between backboard or thigh plate and intermediate bed board is gradually become smaller, meeting The abdomen of patient is squeezed, discomfort is caused.

Meanwhile existing medical bed realize bedstead lifting or inclination when, be by the oil cylinder of head end or bed end come It realizes, in use, easily shakes, stability of strutting system is poor；And can not achieve the deflection of bedstead, it can do nothing to help Patient turns over.

Utility model content

The technical problem to be solved by the utility model is to provide a kind of decompression medical beds, are guaranteeing backboard and thigh plate Under the premise of normal overturning, solve the problems, such as to squeeze patients abdomen；Meanwhile realizing that bedstead is able to carry out inclination and deflection Effect.

In order to solve the above technical problems, the technical solution of the utility model is: a kind of decompression medical bed, including be fixedly mounted There are the bedstead of intermediate bed board and the walker equipped with traveling wheel, is equipped with backboard, the backboard positioned at one end of the intermediate bed board Backboard movable type link rod turnover mechanism is equipped between the bedstead；The other end positioned at the intermediate bed board is equipped with thigh plate, Calf plate is hinged on the thigh plate, the one end of the calf plate far from the thigh plate is articulated with described by support link On bedstead, thigh plate movable type link rod turnover mechanism is equipped between the thigh plate and the bedstead；

The both ends of the walker are equipped with jacking element, are equipped on the two jacking elements and to be connected with the bedstead Tilted deflecting assembly, at least one tilted deflecting assembly, which is equipped with, turns over driving mechanism.

As an improvement the backboard movable type link rod turnover mechanism includes the first straight line being articulated on the bedstead In the shaft on the bedstead, the shaft is located at the lower section of the backboard for driving element and rotational installation, and the two of the shaft End is equipped with the connecting plate being connected with the backboard；

Hinged seat is additionally provided in the shaft, the hinged seat and the actuating station of the first straight line driving element are hinged on Together；

The two sides of the backboard are hinged with first connecting rod and second connecting rod, the first connecting rod and the second connecting rod The other end is articulated on the bedstead, and the length of the first connecting rod is greater than the length of the second connecting rod.

As a further improvement, the shaft is arranged close to the intermediate bed board；

The hinged end of the first connecting rod and the second connecting rod and the backboard is arranged close to the intermediate bed board；

The distance between described first connecting rod and the second connecting rod being articulated on the backboard is described less than being articulated with The distance between described first connecting rod and the second connecting rod on bedstead；The intermediate bed board and the backboard are in obtuse shape When state, the first connecting rod and the second connecting rod are obliquely installed to the intermediate bed board direction.

As a further improvement, being also at least hinged with one first pneumatic member between the hinged seat and the bedstead Part.

It is improved as further, thigh plate movable type link rod turnover mechanism includes being articulated on the bedstead Two drive links and the second straight line driving element being articulated on the bedstead are equipped with beat between two drive links Axis, the beat axis are equipped with the second hinged seat, the actuating station hinge of second hinged seat and the second straight line driving element It is connected together；

The two sides of the thigh plate are hinged with third connecting rod and fourth link, the third connecting rod and the fourth link The other end be articulated on the bedstead, and the length of the third connecting rod be greater than the fourth link length；

L shape connecting rod is also hinged on the thigh plate, the other end of the L shape connecting rod is articulated in the drive link.

As further improvement, the third connecting rod and the fourth link and the hinged end of the thigh plate are close The intermediate bed board setting；

The distance between described third connecting rod and the fourth link being articulated on the thigh plate, which is less than, is articulated with institute State the distance between the third connecting rod and the fourth link on bedstead；The intermediate bed board is in blunt with the thigh plate When horn shape state, the third connecting rod and the fourth link are obliquely installed to the intermediate bed board direction.

As further improvement, the L shape connecting rod and the third connecting rod and the hinged of the thigh plate share one Articulated shaft.

As further improvement, the tilted deflecting assembly includes the connection for being set to the jacking element actuating station Seat is hinged with inside casing by the first articulated shaft on the attachment base, the periphery of the inside casing equipped with outline border, the outline border with it is described It is hinged by the second articulated shaft between inside casing；

The width direction of first articulated shaft and the walker is arranged in parallel, second articulated shaft and the walking The length direction of frame is arranged in parallel；

Wherein the two sides of an outline border are equipped with sliding slot, are slidably fitted in the sliding slot for being connected with the bedstead Slide；Another outline border is connected with the turn driving mechanism and the bedstead.

As further improvement, the driving mechanism of turning over includes being articulated with the third straight line drive of described inside casing one end Dynamic element, the actuating station of the third linear driving element are hinged with linked hoisting mechanism, and the linked hoisting mechanism is equal It is hinged with the inside casing and the outline border.

As further improvement, the linked hoisting mechanism includes that two " V " shapes deflect connecting rod, two deflections Between connecting rod be equipped with connecting shaft, two it is described deflection connecting rods one end be articulated on the outline border, two it is described deflection connecting rods it is another End is hinged with the 5th connecting rod, and two the 5th connecting rods are articulated on the inside casing；

The actuating station of the third linear driving element is articulated at the tip of the deflection connecting rod；

The second pneumatic element is also hinged between the tip of the inside casing and the deflection connecting rod

After above-mentioned technical proposal, the effect of the utility model is:

Since the medical bed includes being fixedly installed with the bedstead of intermediate bed board and equipped with the walker of traveling wheel, being located at centre One end of bed board is equipped with backboard, and backboard movable type link rod turnover mechanism is equipped between backboard and bedstead；Positioned at the another of intermediate bed board One end is equipped with thigh plate, is hinged with calf plate on thigh plate, calf plate is articulated with far from one end of thigh plate by support link On bedstead, thigh plate movable type link rod turnover mechanism is equipped between thigh plate and bedstead；The both ends of walker are equipped with jacking member Part is equipped with the tilted deflecting assembly being connected with bedstead on two jacking elements, and an at least tilted deflecting assembly, which is equipped with, turns over drive Motivation structure, thus at work, when the back of patient being needed to lift, by backboard movable type link rod turnover mechanism drive backboard into Row overturning, during overturning, backboard can synchronize movement to head of a bed direction, so as to avoid in traditional structure structure, Backboard directly overturns around intermediate bed board and causes the problem of squeezing patients abdomen；When the leg of patient being needed to lift, greatly Leg plate movable type link rod turnover mechanism drives hinged thigh plate and calf plate while being overturn (thigh plate and shank The reverses direction of plate is opposite), during overturning, thigh plate can synchronize movement to tailstock direction, equally avoid big Leg plate directly overturns around intermediate bed board and causes the problem of squeezing patients abdomen, meanwhile, by support link come to upper Calf plate after sticking up is supported and provides the displacement generated after calf plate upwarps；When bedstead being needed to tilt, by jacking element Driving, while the cooperation for being aided with tilted deflecting assembly can be realized；When bedstead being needed to deflect, by the drive for turning over driving mechanism It is dynamic, while the cooperation for being aided with tilted deflecting assembly can be realized.

In conclusion being turned over using the medical bed by backboard movable type link rod turnover mechanism and thigh plate movable type connecting rod Rotation mechanism does not influence the normal overturning of backboard and thigh plate not only, but also backboard and thigh plate can be made to generate displacement, realizes On the basis of being supported in overturning to back and leg, the bed board for solving traditional structure the abdomen of patient is squeezed and The problem of causing discomfort；Transition is carried out between jacking element and bedstead by tilted deflecting assembly, is increased and bedstead Connection area, improve stability of strutting system；By jacking the jacking of element, realize the inclination of bedstead (on bedstead length direction Inclination), by turn over driving mechanism driving, realize the deflection (deflection in bedstead width direction) of bedstead, and then reach The purpose for helping patient to turn over.

Since backboard movable type link rod turnover mechanism includes the first straight line driving element being articulated on bedstead and rotation peace Loaded on the shaft on bedstead, shaft is located at the lower section of backboard, and the both ends of shaft are equipped with the connecting plate being connected with backboard；In shaft It is additionally provided with hinged seat, hinged seat and the actuating station of first straight line driving element are hinged；The two sides of backboard are hinged with The other end of one connecting rod and second connecting rod, first connecting rod and second connecting rod is articulated on bedstead, and the length of first connecting rod is big It is connected so that backboard, when being overturn, first straight line driving element drives rotation rotation with shaft in the length of second connecting rod Connecting plate drive backboard overturning, backboard overturning during, first connecting rod and second connecting rod can be moved at the same time with backboard, again Since the length of first connecting rod is greater than the length of second connecting rod, backboard can be with the swing of first connecting rod and second connecting rod in overturning And it is mobile to head of a bed direction, backboard is overturn to suitable position, is carried out by the cooperation of first connecting rod and second connecting rod to backboard Support, structure is simple, is skillfully constructed, and lays a good foundation to avoid backboard that from carrying out squeezing to the abdomen of patient in overturning.

Since shaft is arranged close to intermediate bed board；The hinged end of first connecting rod and second connecting rod and backboard is close to intermediate bed board Setting；The distance between first connecting rod and second connecting rod being articulated on backboard is less than the first connecting rod that is articulated on bedstead and the The distance between two connecting rods, to this configuration, increase the bearing area of backboard, stress is more reasonable, effectively increases Stability of strutting system.

Due to being also at least hinged with first pneumatic element between hinged seat and bedstead, thus in the overturning of backboard, Play the role of auxiliary drive by the first pneumatic element.

Since thigh plate movable type link rod turnover mechanism includes two drive links being articulated on bedstead and is articulated with bed Second straight line driving element on frame, beat axis is equipped between two drive links, and beat axis is equipped with the second hinged seat, the second hinge Joint chair and the actuating station of second straight line driving element are hinged；The two sides of thigh plate are hinged with third connecting rod and the 4th and connect The other end of bar, third connecting rod and fourth link is articulated on bedstead, and the length of third connecting rod is greater than the length of fourth link Degree；L shape connecting rod is also hinged on thigh plate, the other end of L shape connecting rod is articulated in drive link, so that thigh plate is being turned over When turning, second straight line driving element drives yawing axis deflection, and yawing axis drives drive link to be swung, and swings in drive link During drive L shape connecting rod to lift, and then drive thigh plate and calf plate to carry out rotary movement, and due to the length of third connecting rod Degree is greater than the length of fourth link, so that thigh plate can be moved to tailstock direction, thigh during the overturning of thigh plate Plate is overturn to suitable position, is supported by the cooperation of third connecting rod, fourth link and L shape connecting rod to thigh plate, structure Simply, it is skillfully constructed, lays a good foundation to avoid thigh plate that from carrying out squeezing to the abdomen of patient in overturning.

Since the hinged end of third connecting rod and fourth link and the thigh plate is arranged close to intermediate bed board；It is articulated with thigh The distance between third connecting rod and fourth link on plate are less than between the third connecting rod and fourth link being articulated on bedstead Distance, to this configuration, increase the bearing area of thigh plate, stress is more reasonable, effectively increases stability of strutting system.

Since L shape connecting rod and the hinged of third connecting rod and thigh plate share an articulated shaft, simple in construction, easy to disassemble and assemble, cloth It sets rationally, and good to the driving effect of thigh plate.

Since tilted deflecting assembly includes the attachment base for being set to jacking element actuating station, it is hinged to pass through first on attachment base Axis is hinged with inside casing, and the periphery of inside casing is equipped with outline border, hinged by the second articulated shaft between outline border and inside casing；First hinge Spindle and the width direction of walker are arranged in parallel, and the length direction of the second articulated shaft and walker is arranged in parallel；Wherein outside one The two sides of frame are equipped with sliding slot, and the slide for being connected with bedstead is slidably fitted in sliding slot；Another outline border drives with turn Mechanism is connected with bedstead, is based on above structure, when bedstead (on length direction) being needed to tilt, wherein a jacking element is jacked Work, two inside casings are deflected around the first articulated shaft, and during inclined, attachment base can synchronize cunning in sliding slot It is dynamic；When bedstead (in width direction) being needed to deflect, turns over driving mechanism and an outline border is driven to deflect around the second articulated shaft, due to bedstead It is connected with two outline borders, another outline border synchronization is deflected around the second articulated shaft, and then realizes the deflection of bedstead, reaches help disease The purpose that people turns over.Guarantee is provided for the deflection and inclination for realizing bedstead in conclusion using the tilted deflecting assembly, and is tied Structure is simple, convenient processing and manufacture.

It include the third linear driving element for being articulated with inside casing one end, third linear driving element due to turning over driving mechanism Actuating station be hinged with linked hoisting mechanism, linked hoisting mechanism is hinged with inside casing and outline border, thus carry out bedstead When deflection, driving by third linear driving element to linked hoisting mechanism, realize the side of bedstead upwarped and under Pendulum-type deflection, the turn for carrying out both direction for patient are laid a good foundation.

Since linked hoisting mechanism includes that two " V " shapes deflect connecting rod, connecting shaft is equipped between two deflection connecting rods, two partially The one end for turning connecting rod is articulated on outline border, and the other end of two deflection connecting rods is hinged with the 5th connecting rod, and two the 5th connecting rods are hinged In on inside casing；The actuating station of third linear driving element is articulated at the tip of deflection connecting rod, thus when carrying out bedstead deflection, The actuating station of third linear driving element stretches out and deflection connecting rod and the 5th connecting rod is driven to carry out lifting work, and then the company of deflection Bar drives outline border to deflect around the second articulated shaft, realizes that one end (one end for being hinged with deflection connecting rod) of outline border upwarps, under the other end Pendulum, to achieve the purpose that bedstead deflects (side of bedstead is upwarped)；Conversely, the actuating station of third linear driving element is returned Contracting, and outline border return is driven by the cooperation of deflection connecting rod and the 5th connecting rod, in outline border is all in the same horizontal plane with inside casing When, bedstead is in horizontality, if the actuating station of third linear driving element continues to bounce back, passes through deflection connecting rod and the 5th connecting rod Cooperation drive one end the one end of connecting rod (be hinged with deflection) bottom, the other end of outline border to upwarp, to reach bedstead deflection Purpose (side of bedstead carries out the bottom), using the linked hoisting mechanism, can realize bed by a linear drive apparatus The same side of frame is upwarped and the deflection of lower pendulum-type, and structure is simple, and beat effect is good.

Due to being also hinged with the second pneumatic element between the tip of inside casing and deflection connecting rod, thus turning over driving mechanism It works, Auxiliary support and auxiliary drive is played the role of by the second pneumatic element.

Detailed description of the invention

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

Fig. 1 is the structural schematic diagram of the utility model；

Fig. 2 is the structural schematic diagram of bedstead in Fig. 1；

Fig. 3 is the structural schematic diagram of thigh plate movable type link rod turnover mechanism in Fig. 2；

Fig. 4 is the structural schematic diagram of walker in Fig. 1；

Fig. 5 is the top view of Fig. 4；

Fig. 6 is the structural schematic diagram that the utility model is in turn state；

Fig. 7 is the structural schematic diagram that the utility model is in jacking heeling condition；

Wherein, 1- bedstead；Bed board among 101-；102- backboard；103- thigh plate；104- calf plate；105- support link； 2- backboard movable type link rod turnover mechanism；201- first straight line driving element；202- shaft；203- connecting plate；204- hinged seat； 205- first connecting rod；206- second connecting rod；The first pneumatic element of 207-；3- thigh plate movable type link rod turnover mechanism；301- drives Dynamic connecting rod；302- second straight line driving element；303- beat axis；The second hinged seat of 304-；305- third connecting rod；306- the 4th connects Bar；307-L shape connecting rod；4- walker；41- universal rolling wheel；42- jacks element；43- tilted deflecting assembly；4301- attachment base； The first articulated shaft of 4302-；4303- inside casing；4304- outline border；The second articulated shaft of 4305-；4306- sliding slot；4307- slide；44- is turned over Body driving mechanism；4401- third linear driving element；45- connecting plate；46- linked hoisting mechanism；4601- deflects connecting rod； 4602- connecting shaft；The 5th connecting rod of 4603-；The second pneumatic element of 4604-.

Specific embodiment

The utility model is described in further detail below by specific embodiment.

As Fig. 1 to Fig. 7 jointly shown in, a kind of decompression medical bed, 1 He of bedstead including being fixedly installed with intermediate bed board 101 Walker 4 equipped with traveling wheel 41 is equipped with backboard 102 positioned at one end of intermediate bed board 101, carries on the back between the backboard 102 and bedstead 1 Plate movable type link rod turnover mechanism 2；It is equipped with thigh plate 103 positioned at the other end of intermediate bed board 101, the thigh plate 103 is far from Between one end of bed board 101 be hinged with calf plate 104, which passes through support link 105 far from one end of thigh plate 103 It is articulated on bedstead 1, thigh plate movable type link rod turnover mechanism 3 is equipped between the thigh plate 103 and bedstead 1；The intermediate bed board 101, backboard 102, thigh plate 103 and calf plate 104 form bed board；The both ends of the walker 4 are equipped with jacking element 42, two tops It rises and is equipped with tilted deflecting assembly 43 on element 42, an at least tilted deflecting assembly 43, which is equipped with, turns over driving mechanism 44.

As shown in Fig. 2, the backboard movable type link rod turnover mechanism 2 includes the first straight line driving member being articulated on bedstead 1 In the shaft 202 on bedstead 1, which is located at the lower section of backboard 102, the both ends of the shaft 202 for part 201 and rotational installation It is equipped with the connecting plate 203 being connected with backboard 102；It is additionally provided with hinged seat 204 in the shaft 202, the hinged seat 204 and first is directly The actuating station of line driving element 201 is hinged；The two sides of the backboard 102 are hinged with first connecting rod 205 and second connecting rod 206, the other end of the first connecting rod 205 and second connecting rod 206 is articulated on bedstead 1, and the length of first connecting rod 205 is greater than The length of second connecting rod 206, the first connecting rod 205 are compared with second connecting rod 206, and the first connecting rod 205 is closer to head end Setting, the second connecting rod 206 are deviated from each other with the hinge joint of bedstead 1 and the end face of intermediate bed board 101 and are set close to head end It sets.

In the present solution, the shaft 202 is arranged close to intermediate bed board 101；The first connecting rod 205 and second connecting rod 206 with The hinged end of backboard 102 is arranged close to intermediate bed board 101；The first connecting rod 205 and second connecting rod 206 being articulated on backboard 102 The distance between be less than the distance between the first connecting rod 205 that is articulated on bedstead 1 and second connecting rod 206；The intermediate bed board 101 When being in obtuse angle state with backboard 102, the first connecting rod 205 and second connecting rod 206 are set to the inclination of intermediate 101 direction of bed board It sets；First pneumatic element 207 is also at least hinged between the hinged seat 204 and bedstead 1.

As shown in figure 3, the thigh plate movable type link rod turnover mechanism 3 includes two drive links being articulated on bedstead 1 301 and the second straight line driving element 302 that is articulated on bedstead 1, beat axis 303, the beat are equipped between two drive links 301 Axis 303 is equipped with the second hinged seat 304, and second hinged seat 304 and the actuating station of second straight line driving element 302 are hinged on one It rises；The two sides of the thigh plate 103 are hinged with third connecting rod 305 and fourth link 306, the third connecting rod 305 and fourth link 306 other end is articulated on bedstead 1, and the length of third connecting rod 305 is greater than the length of fourth link 306, which connects Bar 305 is compared with fourth link 306, which is arranged closer to bed end, the fourth link 306 and bedstead 1 The end face of hinge joint and intermediate bed board 101 deviates from each other and is arranged close to bed end；L shape company is also hinged on the thigh plate 103 The other end of bar 307, the L shape connecting rod 307 is articulated with the middle part of drive link 301.

The hinged end of the third connecting rod 305 and fourth link 306 and thigh plate 103 is arranged close to intermediate bed board 101；Hingedly In on thigh plate 103 third connecting rod 305 and the distance between fourth link 306 be less than the third connecting rod being articulated on bedstead 1 The distance between 305 and fourth link 306；When the intermediate bed board 101 is in obtuse angle state with thigh plate 103, the third connecting rod 305 and fourth link 306 be obliquely installed to intermediate 101 direction of bed board；Preferably, the L shape connecting rod 307 and third connecting rod 305 share an articulated shaft with the hinged of thigh plate 103.

As Fig. 4 and Fig. 5 jointly shown in, the tilted deflecting assembly 43 include be set to jacking 42 actuating station of element attachment base 4301, inside casing 4303 is hinged with by the first articulated shaft 4302 on the attachment base 4301, the periphery of the inside casing 4303 is equipped with outline border 4304, it is hinged by the second articulated shaft 4305 between the outline border 4304 and inside casing 4303；First articulated shaft 4302 is set There are two, and mirror settings, first articulated shaft 4302 and the width direction of walker 4 be arranged in parallel, second articulated shaft 4305 set there are two, and mirror settings, second articulated shaft 4305 and the length direction of walker 4 are arranged in parallel；Wherein outside one The two sides of frame are equipped with sliding slot 4306, and the slide 4307 for being connected with bedstead 1 is slidably fitted in the sliding slot 4306 (referring to figure 1), in the present solution, the outline border 4304 for being equipped with sliding slot 4306 is arranged close to head end；Another outline border 4304 with turn over driving machine Structure 44 is connected with bedstead 1, preferably, the outline border 4304 is equipped with the connecting plate 45 being connected with bedstead 1.

The turn driving mechanism 44 includes the third linear driving element 4401 for being articulated with 4303 one end of inside casing, and the third is straight The actuating station of line driving element 4401 is hinged with linked hoisting mechanism 46, the linked hoisting mechanism 46 with inside casing 4303 and Outline border 4304 is hinged；The linked hoisting mechanism 46 includes that two " V " shapes deflect connecting rod 4601, is set between two deflection connecting rods 4601 There is connecting shaft 4602, one end of two deflection connecting rods 4601 is articulated on outline border 4304, and the other end of two deflection connecting rods 4601 is cut with scissors It is connected to the 5th connecting rod 4603, two the 5th connecting rods 4603 are articulated on inside casing 4303 far from one end of deflection connecting rod 4601；This The actuating station of three linear driving elements 4401 is articulated at the tip of deflection connecting rod 4601；The inside casing 4303 and deflection connecting rod 4601 Tip between be also hinged with the second pneumatic element 4604, second pneumatic element 4604 be gas spring, the two of the gas spring End is hinged with inside casing 4303 and deflection connecting rod 4601 respectively.

In the present solution, the jacking element 42 is jacking linear motor；The first straight line driving element 201, second is straight Line driving element 302 and third linear driving element 4401 are linear motor；First pneumatic element 207 and the second driving member Part 4604 is gas spring.

Embodiment described above is only the description to preferred embodiments of the present invention, not as to the utility model The restriction of range is made technical solutions of the utility model various on the basis of not departing from the spirit of the design of the utility model Deformation and transformation should all be fallen into the protection scope of claims determination of the utility model.

Claims (10)

1. a kind of decompression medical bed, including being fixedly installed with the bedstead of intermediate bed board and equipped with the walker of traveling wheel, feature It is: is equipped with backboard positioned at one end of the intermediate bed board, backboard movable type connecting rod is equipped between the backboard and the bedstead Turnover mechanism；It is equipped with thigh plate positioned at the other end of the intermediate bed board, is hinged with calf plate, the shank on the thigh plate Plate is articulated on the bedstead far from one end of the thigh plate by support link, is set between the thigh plate and the bedstead There is thigh plate movable type link rod turnover mechanism；

The both ends of the walker are equipped with jacking element, are equipped with the inclination being connected with the bedstead on the two jacking elements Assembly is deflected, at least one tilted deflecting assembly, which is equipped with, turns over driving mechanism.

2. medical bed as described in claim 1, it is characterised in that: the backboard movable type link rod turnover mechanism includes being articulated with For first straight line driving element and rotational installation on the bedstead in the shaft on the bedstead, the shaft is located at the backboard Lower section, the both ends of the shaft are equipped with the connecting plate being connected with the backboard；

Hinged seat is additionally provided in the shaft, the hinged seat and the actuating station of the first straight line driving element are hinged on one It rises；

The two sides of the backboard are hinged with first connecting rod and second connecting rod, the first connecting rod and the second connecting rod it is another End is articulated on the bedstead, and the length of the first connecting rod is greater than the length of the second connecting rod.

3. medical bed as claimed in claim 2, it is characterised in that: the shaft is arranged close to the intermediate bed board；

The hinged end of the first connecting rod and the second connecting rod and the backboard is arranged close to the intermediate bed board；

The distance between described first connecting rod and the second connecting rod being articulated on the backboard, which is less than, is articulated with the bedstead On the first connecting rod and the distance between the second connecting rod；The intermediate bed board and the backboard are in obtuse angle state When, the first connecting rod and the second connecting rod are obliquely installed to the intermediate bed board direction.

4. medical bed as claimed in claim 3, it is characterised in that: be also at least hinged between the hinged seat and the bedstead One the first pneumatic element.

5. medical bed as claimed in claim 4, it is characterised in that: the thigh plate movable type link rod turnover mechanism includes hinged In two drive links on the bedstead and the second straight line driving element being articulated on the bedstead, two drive links Between be equipped with beat axis, the beat axis be equipped with the second hinged seat, second hinged seat and the second straight line driving member The actuating station of part is hinged；

The two sides of the thigh plate are hinged with third connecting rod and fourth link, the third connecting rod and the fourth link it is another One end is articulated on the bedstead, and the length of the third connecting rod is greater than the length of the fourth link；

L shape connecting rod is also hinged on the thigh plate, the other end of the L shape connecting rod is articulated in the drive link.

6. medical bed as claimed in claim 5, it is characterised in that: the third connecting rod and the fourth link and the thigh The hinged end of plate is arranged close to the intermediate bed board；

The distance between described third connecting rod and the fourth link being articulated on the thigh plate, which is less than, is articulated with the bed The distance between described third connecting rod and the fourth link on frame；The intermediate bed board and the thigh plate are in obtuse shape When state, the third connecting rod and the fourth link are obliquely installed to the intermediate bed board direction.

7. medical bed as claimed in claim 6, it is characterised in that: the L shape connecting rod and the third connecting rod and the thigh The hinged of plate shares an articulated shaft.

8. medical bed as described in any one of claim 1 to 7, it is characterised in that: the tilted deflecting assembly includes being set to The attachment base of the jacking element actuating station is hinged with inside casing by the first articulated shaft on the attachment base, the inside casing outside It encloses and is equipped with outline border, it is hinged by the second articulated shaft between the outline border and the inside casing；

The width direction of first articulated shaft and the walker is arranged in parallel, second articulated shaft and the walker Length direction is arranged in parallel；

Wherein the two sides of an outline border are equipped with sliding slot, and the cunning for being connected with the bedstead is slidably fitted in the sliding slot Seat；Another outline border is connected with the turn driving mechanism and the bedstead.

9. medical bed as claimed in claim 8, it is characterised in that: the turn driving mechanism includes being articulated with the inside casing one The third linear driving element at end, the actuating station of the third linear driving element are hinged with linked hoisting mechanism, the company Rod type up-down mechanism is hinged with the inside casing and the outline border.

10. medical bed as claimed in claim 9, it is characterised in that: the linked hoisting mechanism includes two " V " shape deflections Connecting rod is equipped with connecting shaft between the two deflection connecting rods, and one end of the two deflection connecting rods are articulated on the outline border, described in two The other end of deflection connecting rod is hinged with the 5th connecting rod, and two the 5th connecting rods are articulated on the inside casing；

The actuating station of the third linear driving element is articulated at the tip of the deflection connecting rod；

The second pneumatic element is also hinged between the tip of the inside casing and the deflection connecting rod.