CN112618232A

CN112618232A - Multi-functional puncture platform of paediatrics

Info

Publication number: CN112618232A
Application number: CN202011504891.6A
Authority: CN
Inventors: 桑伟群
Original assignee: Henan Hospital Traditional Chinese Medicine Second Affiliated Hospital of Henan University of Traditional Chinese Medicine TCM
Current assignee: Henan Hospital Traditional Chinese Medicine Second Affiliated Hospital of Henan University of Traditional Chinese Medicine TCM
Priority date: 2020-12-18
Filing date: 2020-12-18
Publication date: 2021-04-09

Abstract

A pediatric multifunctional puncture platform which effectively solves the problems that the prior device has single function and the sick children cannot limit in different puncture postures, and comprises a bed plate, the front end of bed board is equipped with back of the body frame board, the left side of bed board is equipped with first income mechanism, first income mechanism is including receiving the board, first connecting rod, L shape connecting rod, the initiative connecting rod, the second connecting rod, upset gear and upset rack, the right side of bed board is equipped with second income mechanism, the top of bed board is equipped with the about band of shank, the top of back of the body frame board is equipped with the about band of neck, the upper end of bed board is equipped with the web member, the effectual purpose that can support the infant belly that has reached, the unable flagging problem of nature of infant shank when having avoided the position of sitting puncture, can be to the spacing function of infant head and neck when having reached the lateral position, the unable problem of retraining of shank and hand when having solved the affected part supine position, the problem of upper part slope when having avoided the puncture of infant's position.

Description

Multi-functional puncture platform of paediatrics

Technical Field

The invention belongs to the technical field of medical equipment, and particularly relates to a multifunctional pediatric puncture platform.

Background

The central nervous system of a human body is provided with a liquid called cerebrospinal fluid which is distributed in the central nervous system except the well-known tissues such as the brain, the cerebellum and the like, just like a water circulation system in a city, the normal function of the central nervous system is maintained, when the central nervous system is diseased (meningitis, encephalitis, tumor spread to the brain and the like), the property of the cerebrospinal fluid can be changed, corresponding examination and analysis are carried out by collecting the cerebrospinal fluid, so that doctors can be helped to know the property of the diseased, children in the department of pediatrics are easy to fear due to small age when puncture treatment is carried out, so that the children are not matched when receiving puncture detection, the commonly used puncture operations in the pediatrics are divided into lumbar puncture, bone marrow puncture and pleural cavity puncture, different puncture operations need to keep different postures of the children, for example, when the children receive lumbar puncture, in order to improve the puncture success rate and reduce the damage to the, needs to bend the neck of the infant, bends the two lower limbs and holds the knees with two hands, can widen the intervertebral space, is convenient for puncture operation, but most of the infants are not matched, medical personnel are needed to fix the infant with bare hands, the fixing mode wastes a large amount of physical power and arm strength of the medical personnel, and even part of the medical personnel can not fix the infant, when the infant needs to receive the pleural cavity puncture, the infant needs to keep a sitting posture, because the thoracic cavity has the heart and the lung, the infant can not move around when receiving the puncture, when the infant receives the bone marrow puncture, the infant needs to keep the supine position, but the hand and the leg of the infant can not be effectively fixed, so that the puncture difficulty is increased, the posture difference of different puncture infant patients is large, most of the existing puncture platforms are used by adults, the infant in the department of pediatrics can not fix the limbs when using, the posture of the existing device can not be changed according to requirements, and the infant shank can not keep relative comfortable posture when the position of sitting puncture, makes the infant produce uncomfortable and feels, and the puncture instrument can't be placed to traditional device, and medical personnel need frequently turn round during the operation, has increased medical personnel's operating pressure, can carry out spacing multi-functional puncture platform of paediatrics to different puncture postures because of need one kind.

Disclosure of Invention

In view of the above situation, in order to overcome the defects of the prior art, the invention provides a pediatric multifunctional puncture platform which effectively solves the problem that children patients with different puncture postures cannot limit the position, achieves the purpose of supporting the abdomen of the children patients, avoids the problem that the legs of the children patients cannot naturally sag when the children patients puncture in sitting posture, achieves the function of limiting the heads and the necks of the children patients when the children patients are in lateral position, solves the problem that the legs and the hands of the affected parts cannot be restrained when the affected parts are in the supine position, avoids the problem that the upper body of the children patients tilts when the children patients puncture in sitting posture, reduces the working strength of medical workers, achieves the purpose of placing puncture tools, avoids the defect of poor illumination, and achieves the purpose of adjusting the height of the device.

In order to achieve the purpose, the invention adopts the following technical scheme: the bed comprises a bed plate, the front end of the bed plate is rotatably connected with a back frame plate, the middle part of the back frame plate is provided with a worm wheel, the lower end of the worm wheel is meshed with a worm, the worm is rotatably connected with the bed plate, the left side and the right side of the back frame plate are respectively rotatably connected with a turnover plate, the turnover plates on the two sides are symmetrically arranged, each turnover plate is internally provided with an armpit rod capable of sliding left and right along the corresponding turnover plate, each turnover plate is internally provided with a limit slider capable of sliding up and down along the corresponding turnover plate, a first reset spring is arranged between each limit slider and the corresponding turnover plate, the left side and the right side of the back frame plate are respectively provided with a turnover chute, each limit slider is arranged in the corresponding turnover chute and can slide along the turnover chute, the end part of each turnover chute is provided with a limit rod capable of sliding back and forth along the back frame, the limiting rod, the overturning chute and the limiting slide block on the same side are matched with each other to form a limiting structure for the overturning plate on the same side, the upper end of the back frame plate is rotatably connected with a supporting plate, the lower end of the supporting plate is rotatably connected with a supporting connecting rod, the lower end of the supporting connecting rod is rotatably connected with a supporting rack, the supporting rack penetrates through the back frame plate, the rear end of the supporting rack is meshed with an adjusting gear, the right side of the adjusting gear is provided with a planetary gear, and the planetary gear is coaxial with the adjusting gear and is rotatably connected with the back frame plate;

the left side of the bed plate is provided with a first retraction mechanism, the first retraction mechanism comprises a retraction plate, the lower end of the retraction plate is rotatably connected with a first connecting rod and an L-shaped connecting rod, the right end of the first connecting rod is rotatably connected with a driving connecting rod, the middle part of the driving connecting rod is rotatably connected with the lower end of the L-shaped connecting rod, the middle parts of the front side and the rear side of the L-shaped connecting rod are rotatably connected with a second connecting rod, the driving connecting rod and each second connecting rod are rotatably connected with the bed plate, the front end and the rear end of the driving connecting rod are respectively provided with a turnover gear, the upper end of each turnover gear is jointly meshed with a turnover rack, the right side of the bed plate is provided with a second retraction mechanism, the first retraction mechanism and the second retraction mechanism are identical in structure and are arranged in bilateral symmetry, a leg restraint belt is arranged above the bed plate, and a first retraction belt, the upper portion of the back frame plate is provided with a neck restraint strap, the middle portion of the neck restraint strap is sleeved with a second tightening strap, the middle portion of the second tightening strap is provided with a tightening box, the right end of the tightening box is provided with a third tightening strap, and the upper end of the bed plate is rotatably connected with a web member.

Preferably, the lower end of the bed plate is rotatably connected with a first driven bevel gear and a first toothed wheel, the upper end of the first driven bevel gear is provided with a C-shaped groove, the lower end of the first toothed wheel is fixedly connected with a support frame, the end part of the support frame is arranged in the C-shaped groove and can slide along the C-shaped groove, the front side and the rear side of the first toothed wheel are respectively meshed with the overturning racks on the corresponding sides, a torsion spring is arranged between the middle part of the first toothed wheel and the bed plate, the rear end of the worm is meshed with the first driven bevel gear, the rear end of the first driven bevel gear is meshed with a first driving bevel gear, the rear end of the first driving bevel gear is provided with a first driven toothed wheel, the left side of the first driven toothed wheel is provided with a first driving toothed wheel, a first toothed belt is sleeved between the first driving toothed wheel and the first driven toothed wheel, and the rear end of the first driving toothed wheel is provided with a second driven bevel gear.

Preferably, the lower end of the bed plate is rotatably connected with an adjusting rod, the end part of the adjusting rod is provided with a plurality of limiting blocks, a second driving toothed wheel is sleeved outside the adjusting rod, a first rotating rod is arranged at the right end of the adjusting rod, limiting notches are formed in the positions, corresponding to the limiting blocks, of the second driving toothed wheel and the first rotating rod, a second driven toothed wheel is arranged in front of the second driving toothed wheel, a second toothed belt is sleeved between the second driven toothed wheel and the second driving toothed wheel, a first sliding rod is arranged on the right side of the second driven toothed wheel, a first hollow rod is sleeved outside the first sliding rod, a second rotating rod is arranged at the right end of the first hollow rod, the end parts of the second rotating rod and the first sliding rod are arranged in the first hollow rod, the first sliding rod is slidably connected with the first hollow rod, and the middle part of the first hollow rod is in threaded fit with the bed frame, the driven profile of tooth wheel of second, first slide bar and the limit structure of first hollow rod mutually support formation second dwang, the outside cover of second dwang is equipped with a second drive bevel gear, second drive bevel gear and second driven bevel gear intermeshing, a keyway has been seted up to the corresponding second drive bevel gear's of second dwang position, the fixed cover in middle part of second dwang is equipped with a third driven bevel gear, and the right-hand member cover of second dwang is equipped with a first sleeve pipe, and first sheathed tube left end fixedly connected with a fourth driven bevel gear, first sheathed tube right-hand member fixedly connected with a first gear, first sheathed tube outside cover is equipped with a second reset spring, be equipped with a second sleeve pipe between third driven bevel gear and the fourth driven bevel gear, the sheathed tube below of second is equipped with a reversing mechanism.

Preferably, a third driving toothed wheel is arranged at the right end of the first rotating rod, a third driven toothed wheel is arranged in front of the third driving toothed wheel, a third toothed belt is sleeved between the third driven toothed wheel and the third driving toothed wheel, a second gear is arranged at the left side of the third driven toothed wheel, the second gear and the third driven toothed wheel are coaxial and are rotatably connected with the bed plate, a third gear is meshed at the front end of the second gear, a fourth gear is meshed at the rear end of the second gear, a third sleeve is in threaded fit with the middle of the fourth gear and the third gear, the left end of each third sleeve is in sliding connection with the bed plate, a fifth gear is arranged at the left side of the third gear, a sixth gear is arranged at the left side of the fourth gear, and a third return spring is arranged between the left ends of the sixth gear and the fifth gear and the bed plate, the utility model discloses a carding machine, including fifth gear, sixth gear, fourth gear, third axis of rotation, fourth axis of rotation, third axis of rotation and fourth axis of rotation all run through corresponding third sleeve and rotate with the bed board and be connected, tightening belt wheel of right-hand member fixedly connected with of third axis of rotation, tightening belt wheel's top is equipped with one and rotates the carding dish of being connected with the bed board, and third tightening belt and first tightening belt all pass the outside of carding dish suit at tightening belt wheel.

Preferably, the reversing mechanism comprises a fifth driving bevel gear, a fifth driven bevel gear is meshed with the upper end of the fifth driving bevel gear, a driving cylindrical gear is fixedly connected with the upper end of the fifth driven bevel gear, a switching plate is arranged at the front end of the driving cylindrical gear, a first reversing gear, a second reversing gear and a third reversing gear are rotatably connected with the upper part of the switching plate, the second reversing gear is mutually meshed with the third reversing gear, a plurality of limiting sliding grooves are formed in the lower end of the bed plate, the upper end of the switching plate is arranged in the corresponding limiting sliding grooves, a driven cylindrical gear is arranged at the front end of the switching plate, a third driving bevel gear is fixedly connected with the lower end of the driven cylindrical gear, the third driving bevel gear can be mutually meshed with the third driven bevel gear and the fourth driven bevel gear, and an arc groove is formed in the left end of the bottom of the bed plate, the left end of the switching board is rotatably connected with a third connecting rod, the other end of the third connecting rod is arranged in an arc groove and can slide back and forth along the arc groove, the bottom end of the bed board is rotatably connected with a switching rod, a rectangular groove is formed in the middle of the switching rod, the left end of the third connecting rod is arranged in the rectangular groove and can slide back and forth along the rectangular groove, the switching rod and the third connecting rod are mutually matched to form a limiting structure of the switching board, a sliding pipe is arranged at the right end of the switching rod, a positioning rod capable of sliding left and right along the sliding pipe is arranged in the sliding pipe, a fourth reset spring is arranged at the right end of the positioning rod, and the fourth reset spring and the positioning rod are mutually matched to form a limiting structure of the switching rod.

Preferably, a sixth driving bevel gear is arranged at the right end of the fourth rotating shaft, a sixth driven bevel gear is meshed with the upper end of the sixth driving bevel gear, a second sliding rod rotatably connected with the bed plate is fixedly sleeved in the middle of the sixth driven bevel gear, a second hollow rod is arranged at the lower end of the second sliding rod, the lower end of the second sliding rod is arranged in the second hollow rod and can slide up and down along the second hollow rod, a base is arranged below the bed plate, the hollow rod is rotatably connected with the base, a driving sprocket is fixedly sleeved on the outer side of the bottom end of the hollow rod, a plurality of screw pipes are fixedly connected with the lower end of the bed plate, a plurality of screw rods are rotatably connected with the upper end of the base, the screw rods are in one-to-one correspondence and in threaded fit with the screw pipes, a double-row sprocket is fixedly sleeved at the lower end of each screw rod, a first chain is sleeved between the double-row sprockets, a second chain is sleeved between the double-row chain wheels on the left side of the bottom plate, a third chain is sleeved between each double-row chain wheel on the right side of the bottom plate and the driving chain wheel, and each screw rod and the corresponding screw pipe are matched with each other to form a limiting structure for the height of the bed plate.

Preferably, an arc chute has been seted up in the left side of bed board, be equipped with one in the arc chute and follow the gliding thing board of putting around the arc chute, the lower extreme of putting the thing board rotates and is connected with a supporting wheel, and the supporting wheel can be followed the bed board and slided around, corrugated metal pipe of right-hand member fixedly connected with of bed board, corrugated metal pipe's upper end is equipped with a shadowless lamp, the right side of bed board is equipped with a containing box, every the returning face plate outside all is equipped with the about band of a wrist.

Compared with the prior art, the invention has the following beneficial effects: 1. the device is provided with a reversible back support, a turnover plate, a neck restraint band and a leg restraint band, and the problem that the sick children cannot limit in different puncture postures is effectively solved. 2. The device is provided with the supporting plate, the supporting rack and the adjusting gear, and the purpose of supporting the abdomen of the infant is achieved. 3. This device has first income mechanism, second income mechanism and first profile of tooth wheel, makes every returning face plate upset downwards through the rotation of first profile of tooth wheel, has avoided the unable problem of drooping naturally of infant's shank when the position of sitting puncture. 4. This device has first tightening belt, second tightening belt, third tightening belt and tightens up the box, can be to the spacing function of infant head and neck when having reached the lateral position. 5. This device has the about band of wrist and the about band of shank, has solved the unable problem of retraining of shank and hand when the affected part is on the back position. 6. The device is provided with the turnover plate and the axilla rod, and the axilla rod is pulled out and then placed under the axilla of the infant, so that the problem that the upper body inclines when the infant punctures in a sitting posture is avoided. 7. The device is provided with an adjusting rod and a reversing mechanism, so that the working strength of medical staff is reduced. 8. The device is provided with the slidable object placing plate, and the purpose of placing the puncture tool is achieved. 9. The device is provided with the metal corrugated pipe and the shadowless lamp, and the defect of poor illumination is avoided. 10. The device is provided with a screw rod, a solenoid, a second sliding rod and a second hollow rod, and the purpose of adjusting the height of the device is achieved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural view of the lateral position fixing device of the invention.

FIG. 2 is a schematic view of the supine position fixation structure of the present invention.

Fig. 3 is a schematic structural view of the sitting posture fixing device of the present invention.

Fig. 4 is a schematic diagram illustrating the turning principle of the support plate according to the present invention.

Fig. 5 is a partially enlarged view of the area a in fig. 4 according to the present invention.

Fig. 6 is a schematic structural diagram of a first receiving mechanism according to the present invention.

FIG. 7 is a schematic diagram of the position of the C-shaped groove in the present invention.

Fig. 8 is a schematic structural view of the bottom of the bed plate in the invention.

FIG. 9 is a schematic view of the engagement of a first slide rod with a first hollow rod in accordance with the present invention.

Fig. 10 is a schematic view of the engagement principle of the first gear and the fifth gear or the sixth gear in the invention.

Fig. 11 is a schematic structural view of the limiting block and the limiting notch in the invention.

Fig. 12 is a schematic structural view of the reversing mechanism of the present invention.

Fig. 13 is a schematic structural view of the height adjustment principle of the present invention.

FIG. 14 is a schematic view of the structure of the tightening box of the present invention engaged with the second tightening strap.

In the figure: 1-bed plate, 2-back frame plate, 3-worm wheel, 4-worm, 5-turnover plate, 6-axillary rod, 7-limit slide block, 8-first reset spring, 9-turnover chute, 10-limit rod, 11-support plate, 12-support connecting rod, 13-support rack, 14-adjusting gear, 15-planetary gear, 16-first retraction mechanism, 17-second retraction mechanism, 18-leg restraint belt, 19-first tightening belt, 20-neck restraint belt, 21-second tightening belt, 22-tightening box, 23-third tightening belt, 24-web rod, 25-first driven bevel gear, 26-first toothed wheel, 27-C-shaped groove, 28-support frame, 29-torsion spring, 30-a first driving bevel gear, 31-a first driven toothed wheel, 32-a first driving toothed wheel, 33-a first toothed belt, 34-a second driven bevel gear, 35-an adjusting rod, 36-a limiting block, 37-a second driving toothed wheel, 38-a first rotating rod, 39-a limiting notch, 40-a second driven toothed wheel, 41-a second toothed belt, 42-a first sliding rod, 43-a first hollow rod, 44-a second rotating rod, 45-a second driving bevel gear, 46-a key slot, 47-a third driven bevel gear, 48-a first sleeve, 49-a fourth driven bevel gear, 50-a first gear, 51-a second return spring, 52-a second sleeve, 53-a reversing mechanism, 54-a third driving toothed wheel, 55-third driven toothed wheel, 56-third toothed belt, 57-second gear, 58-third gear, 59-fourth gear, 60-third sleeve, 61-fifth gear, 62-sixth gear, 63-third return spring, 64-third rotating shaft, 65-fourth rotating shaft, 66-tightening pulley, 67-carding disc, 68-sixth driving bevel gear, 69-sixth driven bevel gear, 70-second sliding rod, 71-second hollow rod, 72-base, 73-driving sprocket, 74-solenoid, 75-screw, 76-double-row sprocket, 77-first chain, 78-second chain, 79-third chain, 80-circular arc chute, 81-storage plate, 82-supporting wheel, 83-metal corrugated pipe, 84-shadowless lamp, 85-containing box, 86-wrist restraint belt, 87-containing plate, 88-first connecting rod, 89-L-shaped connecting rod, 90-driving connecting rod, 91-second connecting rod, 92-overturning gear, 93-overturning rack, 94-fifth driving bevel gear, 95-fifth driven bevel gear, 96-driving cylindrical gear, 97-switching plate, 98-first reversing gear, 99-second reversing gear, 100-third reversing gear, 101-limiting chute, 102-driven cylindrical gear, 103-third driving bevel gear, 104-arc groove, 105-third connecting rod, 106-switching rod, 107-rectangular groove, 108-sliding pipe, 109-positioning rod, 110-fourth return spring, 111-motor.

Detailed Description

The following detailed description of the present invention will be made with reference to the accompanying drawings 1-14

In the first embodiment, as shown in fig. 1-6 and fig. 14, the invention comprises a bed plate 1, in order to achieve the purpose of changing the posture of the infant, the front end of the bed plate 1 is rotatably connected with a back frame plate 2, the middle part of the back frame plate 2 is provided with a worm wheel 3, the lower end of the worm wheel 3 is engaged with a worm 4, the worm wheel 3 and the worm 4 are matched to have a self-locking function, so as to effectively prevent the back frame plate 2 from overturning when not stressed, the worm 4 is rotatably connected with the bed plate 1, in order to prevent the body of the infant from inclining when sitting, the left side and the right side of the back frame plate 2 are respectively rotatably connected with a turnover plate 5, the turnover plates 5 at the two sides are symmetrically arranged, each turnover plate 5 is internally provided with an axillary rod 6 capable of sliding left and right along the corresponding turnover plate 5, the rotating position of each turnover plate 5 and the back frame plate 2 has a certain damping effect, when, the axillary rods 6 in each turnover plate 5 slide out, so that each axillary rod 6 is arranged under the axillary corresponding to the corresponding side of the infant to prevent the body of the patient from swaying left and right, in order to prevent the turnover plate 5 from turning over downwards when the infant lies, each turnover plate 5 is internally provided with a limiting slide block 7 capable of sliding up and down along the corresponding turnover plate 5, the upper end of each limiting slide block 7 is provided with a first reset spring 8, the first reset spring 8 effectively avoids the problem that the limiting slide block 7 is easy to block, the left side and the right side of the back frame plate 2 are respectively provided with a turnover chute 9, the lower end of each limiting slide block 7 is arranged in the turnover chute 9 at the corresponding side and can slide along the corresponding turnover chute 9, both sides in the turnover chute 9 are provided with rubber sheets, when the limiting slide block 7 slides in the turnover chute 9, the limiting slide block 7 is extruded, the limiting slide block 7 is properly stressed, and the infant cannot move the limiting slide, when needing to be turned over, the end part of each turning chute 9 is provided with a limiting rod 10 which can slide up and down along the back frame plate 2, the lower end of the limiting rod 10 is in a semi-sphere shape, the friction force is effectively reduced, the phenomenon of blocking caused when the limiting rod 10 is turned over is avoided, the limiting rod 10, the turning chute 9 and the limiting slide block 7 on the same side are mutually matched to form a limiting structure for the turning plate 5 on the same side, when in use, each limiting rod 10 does not support the corresponding limiting slide block 7, the lower end of each limiting slide block 7 is arranged at the end part of the corresponding limiting chute 101, each limiting slide block 7 can not slide in the corresponding turning chute 9, when each limiting rod 10 supports the corresponding limiting slide block 7, the lower end of each limiting slide block 7 is arranged at the bottom end of the corresponding turning chute 9, at the moment, the limiting slide blocks 7 can slide along the corresponding turning chutes 9, in order to achieve the purpose that the abdomen of the infant can be supported when the infant sits, the upper end of the back frame plate 2 is rotatably connected with a supporting plate 11, the lower end of the supporting plate 11 is rotatably connected with a supporting connecting rod 12, the lower end of the supporting connecting rod 12 is rotatably connected with a supporting rack 13, the supporting rack 13 penetrates through the back frame plate 2, the rear end of the supporting rack 13 is meshed with an adjusting gear 14, the diameter of the adjusting gear 14 is larger, the back frame plate 2 is provided with a avoiding groove corresponding to the position of the adjusting gear 14, the right side of the adjusting gear 14 is provided with a planet gear 15, the planet gear 15 is meshed with the right side of the bed plate 1, the planet gear 15 is coaxial with the adjusting gear 14 and is rotatably connected with the back frame plate 2, when the infant sits on a bed, the back frame plate 2 is overturned to enable the planet gear 15 to be meshed with the bed plate 1 to rotate, the supporting rack 13, when the infant needs to keep the supine position, the worm 4 rotates to drive the worm wheel 3 to turn the back frame plate 2, the rotation angle can be set according to the use requirement, the supporting plate 11 can also turn synchronously while the back frame plate 2 turns, and the supporting plate 11 can be used for supporting the waist of the infant after turning out, so that the infant keeps the correct puncture posture;

in order to achieve the purpose that the legs of the infant can naturally droop when the infant sits and stands, a first retraction mechanism 16 is arranged on the left side of the bed plate 1, the first retraction mechanism 16 comprises a retraction plate 87, in order to avoid the scratch of the bed plate 1 when the legs of the infant are put down, a sponge liner is arranged on the position, corresponding to the retraction plate 87, of the bed plate 1, in order to enable the retraction plate 87 not to affect the legs of the infant after the retraction plate 87 is overturned, the lower end of the retraction plate 87 is rotatably connected with a first connecting rod 88 and an L-shaped connecting rod 89, the right end of the first connecting rod 88 is rotatably connected with a driving connecting rod 90, the middle part of the driving connecting rod 90 is rotatably connected with the lower end of the L-shaped connecting rod 89, the middle parts of the front side and the rear side of the L-shaped connecting rod 89 are rotatably connected with a second connecting rod 91, the driving connecting rod 90 and each second connecting rod 91 are rotatably connected with the bed, the upper end of each overturning gear 92 is meshed with an overturning rack 93 together, the overturning racks 93 are connected with the bed plate 1 in a sliding manner, the right side of the bed plate 1 is provided with a second receiving mechanism 17, the first receiving mechanism 16 and the second receiving mechanism 17 are identical in structure and are arranged symmetrically left and right, each overturning rack 93 pushes the corresponding overturning gear 92 to rotate when in use, then each driving connecting rod 90 overturns backwards to pull the corresponding first connecting rod 88 and the corresponding L-shaped connecting rod 89 backwards, each second connecting rod 91 props up the corresponding L-shaped connecting rod 89, each overturning plate 5 overturns backwards, in order to achieve the purpose of restraining and limiting when the sick child is in a lateral lying position, a leg restraining belt 18 is arranged above the bed plate 1, the leg restraining belt 18 is in a two-section shape, magic tapes are arranged at the end parts of the leg restraining belt 18, the arrangement areas of the magic tapes are wide, and can restrain the legs of the sick children with different body types, in order to achieve the purpose of tensioning the legs of the infant forwards, a first tightening belt 19 is sleeved in the middle of the leg restraint belt 18, an inserting buckle is arranged in the middle of the first tightening belt 19, in order to achieve the purpose of limiting and restraining the head and the neck of the infant, a neck restraint belt 20 is arranged above the back frame plate 2, the neck restraint belt 20 is large in thickness and made of soft cotton cloth, the neck of the infant is prevented from being crushed, in order to achieve the purpose of tensioning the head of the infant backwards, a second tightening belt 21 is sleeved in the middle of the neck restraint belt 20, in order to enable the infants with different heights to use, a tightening box 22 is arranged in the middle of the second tightening belt 21, the second tightening belt 21 penetrates through the tightening box 22 and cannot slide out of the tightening box 22 when the head of the infant is not affected by manpower, a third tightening belt 23 is arranged at the right end of the tightening box 22, and the third tightening belt 23 is fixedly connected with the tightening box 22, in order to prevent the infant from being displaced when being limited by the leg restraint belts 18 and the neck restraint belts 20 at the same time, the upper end of the bed plate 1 is rotatably connected with a web member 24, the leg restraint belts 18 are sleeved on the thighs and the shanks of the infant when the infant bed is used, then the first tightening belt 19 is sleeved on the middle parts of the leg restraint belts 18, then the neck restraint belts 20 are placed on the back sides of the necks of the infant, and the second restraint belts are adjusted to the hindbrain parts of the infant.

Embodiment two, on the basis of embodiment one, as shown in fig. 6 and 7, in order to avoid the movement of the first retraction mechanism 16 and the second retraction mechanism 17 in the supine position, the lower end of the bed plate 1 is rotatably connected with a first driven bevel gear 25 and a first toothed wheel 26, the upper end of the first driven bevel gear 25 is provided with a C-shaped groove 27, in order to achieve the purpose that the turnover rack 93 moves along with the back plate in a turnover manner, the lower end of the first toothed wheel 26 is fixedly connected with a support frame 28, the end of the support frame 28 is arranged in the C-shaped groove 27 and can slide along the C-shaped groove 27, the front side and the rear side of the first toothed wheel 26 are respectively meshed with the turnover racks 93 on the corresponding sides, in order to enable the first toothed wheel 26 to automatically reset, a torsion spring 29 is arranged between the middle part of the first toothed wheel 26 and the bed plate 1, the rear end of the worm 4 is meshed with, when in use, the worm 4 is driven to rotate by the rotation of the first driven bevel gear 25, the back support is overturned, the support frame 28 slides along the C-shaped groove 27, when the back support rotates to approach 90 degrees, the support frame 28 is contacted with the tail end of the C-shaped groove 27, then the support frame 28 drives the first toothed wheels 26 to rotate, when the back support rotates to 90 degrees, the retraction plates 87 at two sides are completely retracted, when the first driven bevel gear 25 rotates reversely, the back support plate 2 rotates reversely by the worm 4, the torsion spring 29 drives the first toothed wheels 26 to rotate reversely, the first toothed wheels 26 drive each overturning rack 93 to reset, when a child keeps a sitting posture, the abdomen leans on the support plate, the upper body is in a bent arc shape to facilitate puncture operation, the rear end of the first driven bevel gear 25 is meshed with the first driving bevel gear 30, the rear end of the first driving bevel gear 30 is provided with the first driven toothed wheel 31, the first driven toothed wheel 31 is coaxial with the first driving bevel gear 30 and is rotatably connected with the first driven bevel gear, a first driving toothed wheel 32 is arranged on the left of the first driven toothed wheel 31, a first toothed belt 33 is sleeved between the first driving toothed wheel 32 and the first driven toothed wheel 31, a second driven bevel gear 34 is arranged at the rear end of the first driving toothed wheel 32, and the second driven bevel gear 34 is coaxial with the first driving toothed wheel 32 and is rotatably connected with the bed plate 1.

In the third embodiment, on the basis of the second embodiment, as shown in fig. 8 to 11, in order to achieve a better purpose, the lower end of the bed plate 1 is rotatably connected with an adjusting rod 35, in order to facilitate the operation, the left end of the adjusting rod 35 is provided with a rocking handle, the end of the adjusting rod 35 is provided with a plurality of limit blocks 36, the outer side of the adjusting rod 35 is sleeved with a second driving toothed wheel 37, the right end of the adjusting rod 35 is provided with a first rotating rod 38, the positions of the second driving toothed wheel 37 and the first rotating rod 38 corresponding to each limit block 36 are both provided with limit notches 39, in order to avoid dead points caused by the limit blocks 36 in the moving procedure of the adjusting rod 35, the edge angles of the limit blocks 36 and the limit notches 39 are both rounded, a second driven toothed wheel 40 is arranged in front of the second driving toothed wheel 37, a second toothed belt 41 is sleeved between the second driven toothed wheel 40 and the second driving toothed wheel 37, a first sliding rod 42 is arranged on the right side of the second driven toothed wheel 40, a first hollow rod 43 is sleeved on the outer side of the first sliding rod 42, a plurality of notches are formed in the outer side of the first sliding rod 42, the first hollow rod 43 and the first sliding rod 42 are coaxially rotated when the notches are matched with the first hollow rod 43, a second rotating rod 44 is arranged at the right end of the first hollow rod 43, the end portions of the second rotating rod 44 and the first sliding rod 42 are both arranged in the first hollow rod 43, the second rotating rod 44 is rotatably connected with the first hollow rod 43, the first sliding rod 42 is slidably connected with the first hollow rod 43, the middle portion of the first hollow rod 43 is in threaded fit with a bed frame, in order to achieve the purpose that the second hollow rod 71 can be pulled to move when the first hollow rod 43 moves leftwards, the left end portion of the second rotating rod 44 is in a circular truncated cone shape, the diameter of the end portion is larger, and the second driven toothed wheel 40, the first sliding rod 42 and the first hollow rod 43 are mutually matched to form a limit structure of the second driven toothed, when the adjustable gear is used, the adjusting rod 35 is pulled outwards, the limiting block 36 at the end of the adjusting rod 35 enters the second driving toothed wheel 37, then the adjusting rod 35 is rotated, the second driving toothed wheel 37 drives the second driven toothed wheel 40 to rotate, then the first sliding rod 42 rotates the first hollow rod 43, at the moment, the first hollow rod 43 pulls the second rotating rod 44 to move to one side, at the moment, the adjusting rod 35 is rotated reversely, the first hollow rod 43 pushes the second rotating rod 44 to move rightwards, a second driving bevel gear 45 is sleeved outside the second rotating rod 44, the second driving bevel gear 45 is meshed with the second driven bevel gear 34, in order to achieve that the second rotating shaft does not influence the rotation of the second driving bevel gear 45 when moving, a key slot 46 is formed at the position of the second rotating rod 44 corresponding to the second driving bevel gear 45, the middle part of the second driving bevel gear 45 is arranged in the key slot 46, so that the second driving bevel gear 45 and the second rotating shaft coaxially rotate and are slidably connected, a third driven bevel gear 47 is fixedly sleeved at the middle part of the second rotating rod 44, a first sleeve 48 is sleeved at the right end of the second rotating rod 44, a fourth driven bevel gear 49 is fixedly connected at the left end of the first sleeve 48, a first gear 50 is fixedly connected at the right end of the first sleeve 48, a second return spring 51 is sleeved outside the first sleeve 48, the second return spring 51 is arranged between the fourth driven bevel gear 49 and the bed plate 1, a second sleeve 52 is arranged between the third driven bevel gear 47 and the fourth driven bevel gear 49, a reversing mechanism 53 is arranged below the second sleeve 52, when the second rotating rod 44 is directed to the right, the third driven bevel gear 47 is engaged with the third driving bevel gear 103, and simultaneously the fourth driven bevel gear 49 is separated from the third driving bevel gear 103, at this time, the second rotating shaft drives the second driving bevel gear 45 to rotate, and the second driving bevel gear 45 drives the first driven bevel gear 25 to rotate sequentially through the second driven bevel gear 34, the first driving toothed wheel 32, the first driven toothed wheel 31 and the first driving bevel gear 30.

Fourth embodiment, based on the third embodiment, as shown in fig. 1, 8 and 10, for better purposes, a third driving toothed wheel 54 is provided at the right end of the first rotating rod 38, the third driving toothed wheel 54 is rotatably connected to the top board 1, a third driven toothed wheel 55 is provided in front of the third driving toothed wheel 54, a third toothed belt 56 is sleeved between the third driven toothed wheel 55 and the third driving toothed wheel 54, a second gear 57 is provided at the left side of the third driven toothed wheel 55, the second gear 57 is coaxial with the third driven toothed wheel 55 and rotatably connected to the top board 1, a third gear 58 is engaged at the front end of the second gear 57, a fourth gear 59 is engaged at the rear end of the second gear 57, the third gear 58 and the fourth gear 59 are both rotatably connected to the top board 1, a third sleeve 60 is threadedly engaged in the middle portions of the fourth gear 59 and the third gear 58, the left end of each third sleeve 60 is slidably connected with the bed plate 1, so that the third sleeve 60 is effectively prevented from rotating to cause incapability of moving, a fifth gear 61 is arranged at the left side of the third gear 58, a sixth gear 62 is arranged at the left side of the fourth gear 59, in order to achieve the purpose that the sixth gear 62 and the fifth gear 61 can be reset, a third reset spring 63 is arranged between the left ends of the sixth gear 62 and the fifth gear 61 and the bed plate 1, a third rotating shaft 64 is fixedly connected to the middle part of the fifth gear 61, a fourth rotating shaft 65 is fixedly connected to the middle part of the sixth gear 62, the third rotating shaft 64 and the fourth rotating shaft 65 both penetrate through the corresponding third sleeve 60 and are rotatably connected with the bed plate 1, when in use, the adjusting rod 35 is pushed inwards, the limiting block 36 at the end part of the adjusting rod 35 enters the first rotating shaft, then the adjusting rod 35 is rotated, so that the second gear 57 drives the third gear 58 and the fourth gear 59 to rotate, the third gear 58 and the fourth gear 59 drive the corresponding third sleeves 60 to move, the moving directions of the two third sleeves 60 are opposite, when the second gear 57 rotates forward, the third sleeve 60 at the left end of the third gear 58 moves leftwards to enable the fifth gear 61 to be meshed with the first gear 50, at the moment, the third sleeve 60 at the left end of the fourth gear 59 moves rightwards, the third return spring 63 at the left end of the sixth gear 62 enables the sixth gear 62 to be separated from the first gear 50, when the second gear 57 rotates reversely, the third sleeve 60 at the left end of the third gear 58 moves rightwards, the third return spring 63 at the left end of the fifth gear 61 enables the fifth gear 61 to be separated from the first gear 50, at the moment, the third sleeve 60 at the left end of the fourth gear 59 moves leftwards to enable the sixth gear 62 to be meshed with the first gear 50, and in order to achieve the purpose that the third tightening belt 23 and the first tightening belt 19 can be tightened, a tightening belt wheel 66 is fixedly connected to the right end of the third rotating shaft 64, in order to avoid the situation that the third tightening belt 23 and the first tightening belt 19 cannot be tightened due to winding, a carding disc 67 rotatably connected with the bed plate 1 is arranged above the tightening belt wheel 66, the third tightening belt 23 and the first tightening belt 19 both penetrate through the carding disc 67 and are sleeved on the outer side of the tightening belt wheel 66, in order to avoid damage to the first tightening belt 19 and the third tightening belt 23 due to rotation, two sleeves are sleeved in the middle of the carding disc 67, the third tightening belt 23 and the first tightening belt 19 are wound on the outer side of the tightening belt wheel 66 when the tightening belt wheel 66 rotates forwards, the third tightening belt 23 and the first tightening belt 19 are wound to restrain the leg restraint belt 18 and the neck, so that the body of the child keeps a crouched lateral position, and after the tightening belt wheel 66 rotates reversely, the third tightening belt 23 and the first tightening belt 19 are loosened from external force of the tightening belt wheel 66, so that the legs and the neck of the child are not pulled, the infant patient is released.

Fifth embodiment, based on the third embodiment, as shown in fig. 8 and 12, in order to achieve the better purpose, the reversing mechanism 53 includes a fifth driving bevel gear 94, a driving motor 111 is disposed at the rear end of the fifth driving bevel gear 94, the motor 111 is fixedly connected with the bed plate 1, a fifth driven bevel gear 95 is engaged at the upper end of the fifth driving bevel gear 94, a driving cylindrical gear 96 is fixedly connected at the upper end of the fifth driven bevel gear 95, the driving cylindrical gear 96 and the fifth driven gear are both rotatably connected with the bed plate 1, a switching plate 97 is disposed at the front end of the driving cylindrical gear 96, a first reversing gear 98, a second reversing gear 99 and a third reversing gear 100 are rotatably connected at the upper portion of the switching plate 97, the second reversing gear 99 is engaged with the third reversing gear 100, a plurality of limit sliding grooves 101 are disposed at the lower end of the bed plate 1, the upper end of the switching plate 97 is arranged in a corresponding limiting sliding groove 101, the diameters of the second reversing gear 99 and the third reversing gear 100 are smaller than that of the first reversing gear 98, the switching plate 97 and the limiting sliding groove 101 are matched with each other to form a limiting structure of the first reversing gear 98, the second reversing gear 99 and the third reversing gear 100, a driven cylindrical gear 102 is arranged at the front end of the switching plate 97, a third driving bevel gear 103 is fixedly connected to the lower end of the driven cylindrical gear 102, the third driving bevel gear 103 can be meshed with the third driven bevel gear 47 and the fourth driven bevel gear 49, in order to limit the switching plate 97, an arc groove 104 is arranged at the left end of the bottom of the bed plate 1, a third connecting rod 105 is rotatably connected to the left end of the switching plate 97, the other end of the third connecting rod 105 is arranged in the arc groove 104 and can slide back and forth along the arc groove 104, the bottom end of the bed board 1 is rotatably connected with a switching rod 106, the switching rod 106 is arranged at the upper end of the arc groove 104, the middle part of the switching rod 106 is provided with a rectangular groove 107, the left end of the third connecting rod 105 is arranged in the rectangular groove 107 and can slide back and forth along the rectangular groove 107, the switching rod 106 and the third connecting rod 105 are mutually matched to form a limiting structure of the switching plate 97, when the switching rod 106 moves forwards, the switching rod 106 pushes the third connecting rod 105 to the right, the switching plate 97 moves to the right, the second reversing gear 99 is meshed with the driving cylindrical gear 96 at the moment, the third reversing gear 100 is meshed with the driven cylindrical gear 102, the third driving bevel gear 103 rotates forwards at the moment, when the switching rod 106 moves backwards, the switching rod 106 pulls the third connecting rod 105 to the left, the switching plate 97 moves to the left, the first reversing gear 98 is meshed with the driving cylindrical gear 96 and the driven cylindrical gear 102 at the same time, and the third driving bevel, in order to limit the switching rod 106, a sliding tube 108 is arranged at the right end of the switching rod 106, the sliding tube 108 is fixedly connected with the bed plate 1, two arc-shaped grooves are arranged at the right end of the switching rod 106, a positioning rod 109 capable of sliding left and right along the sliding tube 108 is arranged in the sliding tube 108, in order to reduce friction, the left end of the positioning rod 109 is in a semi-sphere shape, a fourth return spring 110 is arranged at the right end of the positioning rod 109, and the fourth return spring 110 and the positioning rod 109 are matched with each other to form a limiting structure of the switching rod 106.

Sixth embodiment, based on the fourth embodiment, as shown in fig. 10 and 13, in order to achieve the purpose of adjusting the height of the bed plate 1, a sixth driving bevel gear 68 is disposed at the right end of the fourth rotating shaft 65, a sixth driven bevel gear 69 is engaged at the upper end of the sixth driving bevel gear 68, a second sliding rod 70 rotatably connected to the bed plate 1 is fixedly sleeved at the middle of the sixth driven bevel gear 69, a plurality of notches are formed at the outer portion of the second sliding rod 70, a second hollow rod 71 is disposed at the lower end of the second sliding rod 70, the lower end of the second sliding rod 70 is disposed in the second hollow rod 71 and can slide up and down along the second hollow rod 71, in order to avoid dead points caused by asynchronous rising of edge angles when the height of the bed plate 1 changes, a base 72 is disposed below the bed plate 1, the hollow rod is rotatably connected to the base 72, a driving sprocket 73 is fixedly sleeved at the outer side of the bottom end of the hollow rod, the utility model discloses a bed board 1, bed board 1's lower extreme fixedly connected with a plurality of screwed pipes 74, the upper end of base 72 is rotated and is connected with a plurality of screws 75, and screw 75 all corresponds and screw-thread fit with screwed pipe 74 one-to-one, in order to reach every screw 75 synchronous rotation, every screw 75's lower extreme all fixed suit has a double sprocket 76, all suit has a first chain 77 between the double sprocket 76 of bottom plate left and right sides, the suit has a second chain 78 between the double sprocket 76 of bottom plate left side, the suit has a third chain 79 between every double sprocket 76 on bottom plate right side and the drive sprocket 73, and every screw 75 forms the limit structure of bed board 1 height with corresponding screwed pipe 74 mutually supporting, and the rotation of fourth axis of rotation 65 makes second slide bar 70 rotate, and second slide bar 70 drives the rotation of second hollow bar 71, and second hollow bar 71 passes through drive sprocket 73 and rotates, The first chain 77, the second chain 78 and the third chain 79 drive each screw 75 to rotate synchronously, each screw 75 and the corresponding screw tube 74 are matched with each other to change the height of the bed plate 1, and chain transmission can effectively avoid asynchronous rising of the edge angles of the bed plate 1 caused by slipping between the double-row chain wheels 76 and the driving chain wheel 73.

Seventh embodiment, based on the first embodiment, as shown in fig. 1 to 3 and 8, in order to achieve the purpose of placing a puncture tool, an arc chute 80 is formed at the left side of the bed plate 1, a placement plate 81 capable of sliding back and forth along the arc chute 80 is disposed in the arc chute 80, in order to avoid the situation that the placement plate 81 cannot slide due to inclination, a support wheel 82 is rotatably connected to the lower end of the placement plate 81, the support wheel 82 can slide back and forth along the bed plate 1, in order to solve the problem of poor illumination, a metal corrugated pipe 83 is fixedly connected to the right end of the bed plate 1, the metal corrugated pipe 83 has certain toughness and cannot move when not affected by external force, a shadowless lamp 84 is disposed at the upper end of the metal corrugated pipe 83, in order to accommodate the leg restraining belt 18 and the neck restraining belt 20, a storage box 85 is disposed at the right side of the bed plate 1, in order to avoid the operation difficulty caused by the disordered movement of the hands of the infant when the infant sits and stands, the outer side of the turnover plate 5 is provided with a wrist restraint strap 86, and the two ends of each wrist restraint strap 86 are connected by magic tapes.

The working process of the invention is as follows: firstly, a patient lies on the bed plate 1 horizontally, then the motor 111 is started, then the switching rod 106 is adjusted to move forwards, the switching rod 106 pushes the third connecting rod 105 to the right, the switching plate 97 is positioned to the right, at the moment, the second reversing gear 99 is meshed with the driving cylindrical gear 96, the third reversing gear 100 is meshed with the driven cylindrical gear 102, at the moment, the third driving bevel gear 103 rotates forwards, then the adjusting rod 35 is pulled outwards, the limiting block 36 at the end part of the adjusting rod 35 enters the second driving toothed wheel 37, then the adjusting rod 35 is rotated, the second driving toothed wheel 37 drives the second driven toothed wheel 40 to rotate, then the first sliding rod 42 rotates the first hollow rod 43, at the moment, the first hollow rod 43 pulls the second rotating rod 44 to move to one side, the fourth driven bevel gear 49 is meshed with the third driving bevel gear 103, then the adjusting rod 35 is pushed inwards, the limiting block 36 at the end part of the adjusting rod 35 enters the first rotating shaft, then the adjusting rod 35 is rotated to make the second gear 57 drive the third gear 58 and the fourth gear 59 to rotate, when the second gear 57 rotates reversely, the third sleeve 60 at the left end of the third gear 58 moves rightwards, the third return spring 63 at the left end of the fifth gear 61 separates the fifth gear 61 from the first gear 50, at this time, the third sleeve 60 at the left end of the fourth gear 59 moves leftwards to make the sixth gear 62 engage with the first gear 50, at this time, the fourth rotating shaft 65 rotates to make the second sliding rod 70 rotate, the second sliding rod 70 drives the second hollow rod 71 to rotate, the second hollow rod 71 drives each screw 75 to rotate synchronously through the driving sprocket 73, the first chain 77, the second chain 78 and the third chain 79, each screw 75 cooperates with the corresponding screw 74 to make the height of the bed board 1 rise, if the height of the bed board 1 needs to fall, the switching rod 106 is adjusted backwards, the switching rod 106 pulls the third connecting rod 105 leftwards, the position of the switching board 97 is close to the left, at this time, the first reversing gear 98 is meshed with the driving cylindrical gear 96 and the driven cylindrical gear 102 at the same time, the third driving bevel gear 103 rotates reversely, at the same time, the height of the bed plate 1 is lowered, when the infant needs to carry out lumbar puncture, the leg restraint belt 18 and the neck restraint belt 20 are taken out from the storage box 85, then the leg restraint belt 18 is sleeved on the thigh and the lower leg of the infant, then the first tightening belt 19 is sleeved on the middle part of the leg restraint belt 18, then the neck restraint belt 20 is placed on the back side of the neck of the infant, the second restraint belt is adjusted to the hindbrain part of the infant, then the web member 24 is rotated out, the length of the second tightening belt 21 is adjusted according to the height and the body shape of the infant, then the second gear 57 is adjusted to rotate forwardly, the third sleeve 60 at the left end of the third gear 58 moves leftwards to enable the fifth gear 61 to be meshed with the first gear 50, at this time, the third sleeve, the third return spring 63 at the left end of the sixth gear 62 separates the sixth gear 62 from the first gear 50, at this time, the third rotating shaft 64 drives the tightening belt wheel 66 to rotate, the third tightening belt 23 and the first tightening belt 19 are wound outside the tightening belt wheel 66 when the tightening belt wheel 66 rotates in the forward direction, the third tightening belt 23 and the first tightening belt 19 are wound and then the leg restraint belt 18 and the neck are restrained and pulled, so that the body of the child maintains the crouched lateral position, then the position of the shadowless lamp 84 is adjusted, then the lumbar puncture is performed on the child, after the completion, the switching rod 106 is adjusted to rotate the tightening belt wheel 66 in the reverse direction, at this time, the third tightening belt 23 and the first tightening belt 19 are loosened from the external force of the tightening belt wheel 66, so that the legs and the neck of the child are not pulled, and the child is loosened; when a child needs to perform bone marrow puncture, the legs of the child are restrained by using the leg restraint belts 18, the child needs to keep a supine position during puncture, the worm 4 rotates to drive the worm wheel 3 to turn the back frame plate 2, a rotation angle can be set according to use requirements, the back frame plate 2 is turned, the back frame plate 2 is also turned, the support plate 11 can be synchronously turned, the support plate 11 can be used for supporting the waist of the child after being turned out, the child keeps a correct puncture posture, the child can be restrained by using the wrist restraint belts 86 through the hands of the child, and then the puncture can be started by adjusting the height of the bed plate 1 and the position of the shadowless lamp 84; when the patient needs to perform the pleural cavity puncture, the adjusting rod 35 is pulled outwards, the limiting block 36 at the end of the adjusting rod 35 enters the second driving toothed wheel 37, then the adjusting rod 35 is rotated to enable the second driving toothed wheel 37 to drive the second driven toothed wheel 40 to rotate, then the first sliding rod 42 enables the first hollow rod 43 to rotate, the first hollow rod 43 pushes the second rotating rod 44 to move rightwards, when the second rotating rod 44 moves rightwards, the third driven bevel gear 47 is meshed with the third driving bevel gear 103, meanwhile, the fourth driven bevel gear 49 is separated from the third driving bevel gear 103, at this time, the second rotating shaft drives the second driving bevel gear 45 to rotate, the second driving bevel gear 45 drives the first driven bevel gear 25 to rotate through the second driven bevel gear 34, the first driving toothed wheel 32, the first driven toothed wheel 31 and the first driving bevel gear 30 in sequence, and when the first driven bevel gear 25 rotates, the worm 4 is driven to rotate, the back support is overturned, at the moment, the support frame 28 slides along the C-shaped groove 27, when the back support rotates to be close to 90 degrees, the support frame 28 is contacted with the tail end of the C-shaped groove 27, then the support frame 28 drives the first toothed wheel 26 to rotate, at the moment, each overturning rack 93 slides inwards, each overturning rack 93 pushes the corresponding overturning gear 92 to rotate, then each driving connecting rod 90 overturns backwards to pull the corresponding first connecting rod 88 and the corresponding L-shaped connecting rod 89 backwards, each second connecting rod 91 props up the corresponding L-shaped connecting rod 89, then each overturning plate 5 overturns backwards, when the back support rotates to 90 degrees, the withdrawing plates 87 at the two sides are completely withdrawn, the planet gears 15 are meshed with the bed plate 1 to rotate while the back support plate 2 is overturned, the adjusting gears 14 rotate to prop up the support racks 13 forwards, the support racks 13 prop up the support plates 11, at the moment, after the corresponding limiting slide blocks 7 are propped up by each limiting rod 10, the lower end of each limit slider 7 is arranged at the bottom end of the corresponding turning chute 9, at the moment, the limit sliders 7 can slide along the corresponding turning chutes 9, when a child keeps sitting posture, the abdomen is prone on the supporting plate, the upper body is in a bent bow shape, the puncturing operation is convenient, the angle of the turning plate 5 is manually adjusted, then each axillary rod 6 is pulled out and is arranged under the axillary of the corresponding side of the child, the wrist of the child is placed in the corresponding wrist restraint belt 86, then the position of the shadowless lamp 84 is adjusted, the child can be punctured, after the puncturing is finished, the child gets off the bed, then the switching rod 106 is adjusted to enable the back support to rotate to be horizontal, when the first driven bevel gear 25 rotates reversely, the worm 4 rotates reversely, the back support plate 2 rotates reversely, the torsion spring 29 rotates the first toothed wheel 26 rotates reversely, the first toothed wheel 26 drives each turning rack 93 to reset, the turning plate 5 is manually turned upwards, at the moment, the corresponding limit sliders 7 are not supported by each limit rod 10, the lower end of each limiting slide block 7 is arranged at the end of the corresponding limiting slide groove 101, so that each limiting slide block 7 cannot slide in the corresponding overturning slide groove 9.

The invention has novel structure, ingenious design and simple and convenient operation, effectively solves the problem that the infant cannot be limited in different puncture postures through the design, achieves the aim of supporting the abdomen of the infant, avoids the problem that the legs of the infant cannot naturally sag when the infant punctures in a sitting posture, achieves the function of limiting the head and the neck of the infant in a lateral position, solves the problem that the legs and the hands of the affected part cannot be restrained when the affected part is in a supine position, avoids the problem that the upper body of the infant tilts when the infant punctures in the sitting posture, lightens the working strength of medical personnel, achieves the aim of placing a puncture tool, avoids the defect of poor illumination, and achieves the aim of adjusting the height of the device.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The multifunctional pediatric puncture platform comprises a bed plate (1) and is characterized in that the front end of the bed plate (1) is rotatably connected with a back frame plate (2), a worm wheel (3) is arranged in the middle of the back frame plate (2), a worm (4) is meshed with the lower end of the worm wheel (3), the worm (4) is rotatably connected with the bed plate (1), the left side and the right side of the back frame plate (2) are respectively rotatably connected with a turnover plate (5), the turnover plates (5) on the two sides are symmetrically arranged, each turnover plate (5) is internally provided with an armpit rod (6) which can slide left and right along the corresponding turnover plate (5), each turnover plate (5) is internally provided with a limiting slide block (7) which can slide up and down along the corresponding turnover plate (5), the upper end of each limiting slide block (7) is provided with a first reset spring (8), and the left side and the right side of the back frame plate (2) are respectively provided with a turnover chute (9), the lower end of each limiting slide block (7) is arranged in a corresponding overturning chute (9) and can slide along the corresponding overturning chute (9), the end part of each overturning chute (9) is provided with a limiting rod (10) capable of sliding up and down along the back frame plate (2), the limiting rod (10), the overturning chute (9) and the limiting slide block (7) at the same side are mutually matched to form a limiting structure for the same-side overturning plate (5), the upper end of the back frame plate (2) is rotatably connected with a supporting plate (11), the lower end of the supporting plate (11) is rotatably connected with a supporting connecting rod (12), the lower end of the supporting connecting rod (12) is rotatably connected with a supporting rack (13), the supporting rack (13) penetrates through the back frame plate (2), the rear end of the supporting rack (13) is meshed with an adjusting gear (14), and the right adjusting gear (14) is provided with a planetary gear (15), the planet gear (15) is coaxial with the adjusting gear (14) and is rotationally connected with the back frame plate (2);

the novel bed board is characterized in that a first receiving mechanism (16) is arranged on the left side of the bed board (1), the first receiving mechanism (16) comprises a receiving plate (87), the lower end of the receiving plate (87) is rotatably connected with a first connecting rod (88) and an L-shaped connecting rod (89), the right end of the first connecting rod (88) is rotatably connected with an active connecting rod (90), the middle of the active connecting rod (90) is rotatably connected with the lower end of the L-shaped connecting rod (89), the middle parts of the front side and the rear side of the L-shaped connecting rod (89) are rotatably connected with a second connecting rod (91), the active connecting rod (90) and each second connecting rod (91) are rotatably connected with the bed board (1), turning gears (92) are arranged at the front end and the rear end of the active connecting rod (90), a turning rack (93) is meshed with the upper end of each turning gear (92), and a second receiving mechanism (17) is arranged on the right side, first income mechanism (16) and second income mechanism (17) structure is the same and bilateral symmetry sets up, the top of bed board (1) is equipped with a shank restraint band (18), and the middle part cover of shank restraint band (18) is equipped with a first tightening band (19), the top of back of the body frame board (2) is equipped with a neck restraint band (20), and the middle part cover of neck restraint band (20) is equipped with a second tightening band (21), and the middle part of second tightening band (21) is equipped with one and tightens up box (22), and the right-hand member of tightening up box (22) is equipped with a third tightening band (23), the upper end of bed board (1) is rotated and is connected with a web member (24).

2. The multifunctional pediatric puncture platform according to claim 1, wherein a first driven bevel gear (25) and a first toothed wheel (26) are rotatably connected to the lower end of the bed plate (1), a C-shaped groove (27) is formed in the upper end of the first driven bevel gear (25), a support frame (28) is fixedly connected to the lower end of the first toothed wheel (26), the end of the support frame (28) is disposed in the C-shaped groove (27) and can slide along the C-shaped groove (27), the front side and the rear side of the first toothed wheel (26) are respectively meshed with the turnover rack (93) on the corresponding side, a torsion spring (29) is arranged between the middle of the first toothed wheel (26) and the bed plate (1), the rear end of the worm (4) is meshed with the first driven bevel gear (25), the rear end of the first driven bevel gear (25) is meshed with a first driving bevel gear (30), the rear end of the first driving bevel gear (30) is provided with a first driven toothed wheel (31), the left side of the first driven toothed wheel (31) is provided with a first driving toothed wheel (32), a first toothed belt (33) is sleeved between the first driving toothed wheel (32) and the first driven toothed wheel (31), and the rear end of the first driving toothed wheel (32) is provided with a second driven bevel gear (34).

3. The multifunctional pediatric puncture platform according to claim 2, wherein an adjusting rod (35) is rotatably connected to the lower end of the bed plate (1), a plurality of limiting blocks (36) are arranged at the end of the adjusting rod (35), a second driving toothed wheel (37) is sleeved on the outer side of the adjusting rod (35), a first rotating rod (38) is arranged at the right end of the adjusting rod (35), limiting notches (39) are respectively formed in the positions of the second driving toothed wheel (37) and the first rotating rod (38) corresponding to each limiting block (36), a second driven toothed wheel (40) is arranged in front of the second driving toothed wheel (37), a second toothed belt (41) is sleeved between the second driven toothed wheel (40) and the second driving toothed wheel (37), and a first sliding rod (42) is arranged on the right side of the second driven toothed wheel (40), a first hollow rod (43) is sleeved outside the first sliding rod (42), a second rotating rod (44) is arranged at the right end of the first hollow rod (43), the end parts of the second rotating rod (44) and the first sliding rod (42) are arranged in the first hollow rod (43), the first sliding rod (42) is in sliding connection with the first hollow rod (43), the middle part of the first hollow rod (43) is in threaded fit with a bed frame, a second driven toothed wheel (40), the first sliding rod (42) and the first hollow rod (43) are matched with each other to form a limiting structure of the second rotating rod (44), a second driving bevel gear (45) is sleeved outside the second rotating rod (44), the second driving bevel gear (45) is meshed with the second driven bevel gear (34), and a key groove (46) is formed in the position, corresponding to the second driving bevel gear (45), of the second rotating rod (44), the fixed cover in middle part of second dwang (44) is equipped with a third driven bevel gear (47), and the right-hand member cover of second dwang (44) is equipped with a first sleeve pipe (48), and the left end fixedly connected with of first sleeve pipe (48) has a fourth driven bevel gear (49), and the right-hand member fixedly connected with of first sleeve pipe (48) has a first gear (50), the outside cover of first sleeve pipe (48) is equipped with a second reset spring (51), be equipped with a second sleeve pipe (52) between third driven bevel gear (47) and fourth driven bevel gear (49), the below of second sleeve pipe (52) is equipped with a reversing mechanism (53).

4. The multifunctional pediatric puncture platform according to claim 3, wherein a third driving toothed wheel (54) is arranged at the right end of the first rotating rod (38), a third driven toothed wheel (55) is arranged in front of the third driving toothed wheel (54), a third toothed belt (56) is sleeved between the third driven toothed wheel (55) and the third driving toothed wheel (54), a second gear (57) is arranged at the left side of the third driven toothed wheel (55), the second gear (57) and the third driven toothed wheel (55) are coaxial and are rotatably connected with the bed plate (1), a third gear (58) is meshed at the front end of the second gear (57), a fourth gear (59) is meshed at the rear end of the second gear (57), and a third sleeve (60) is in threaded fit with the middles of the fourth gear (59) and the third gear (58), the left end of each third sleeve (60) is in sliding connection with the bed plate (1), a fifth gear (61) is arranged on the left side of the third gear (58), a sixth gear (62) is arranged on the left side of the fourth gear (59), a third reset spring (63) is arranged between the left ends of the sixth gear (62) and the fifth gear (61) and the bed plate (1), a third rotating shaft (64) is fixedly connected to the middle of the fifth gear (61), a fourth rotating shaft (65) is fixedly connected to the middle of the sixth gear (62), the third rotating shaft (64) and the fourth rotating shaft (65) penetrate through the corresponding third sleeve (60) and are in rotating connection with the bed plate (1), a tightening belt wheel (66) is fixedly connected to the right end of the third rotating shaft (64), a disc (67) in rotating connection with the carding bed plate (1) is arranged above the tightening belt wheel (66), the third tightening belt (23) and the first tightening belt (19) both pass through the carding disc (67) and are sleeved on the outer side of the tightening belt wheel (66).

5. The multifunctional pediatric puncture platform according to claim 3, wherein the reversing mechanism (53) comprises a fifth driving bevel gear (94), a fifth driven bevel gear (95) is engaged at the upper end of the fifth driving bevel gear (94), a driving cylindrical gear (96) is fixedly connected at the upper end of the fifth driven bevel gear (95), a switching plate (97) is arranged at the front end of the driving cylindrical gear (96), a first reversing gear (98), a second reversing gear (99) and a third reversing gear (100) are rotatably connected at the upper part of the switching plate (97), the second reversing gear (99) and the third reversing gear (100) are engaged with each other, a plurality of limiting chutes (101) are formed at the lower end of the bed plate (1), and the upper end of the switching plate (97) is arranged in the corresponding limiting chutes (101), the front end of the switching plate (97) is provided with a driven cylindrical gear (102), the lower end of the driven cylindrical gear (102) is fixedly connected with a third driving bevel gear (103), the third driving bevel gear (103) can be mutually meshed with a third driven bevel gear (47) and a fourth driven bevel gear (49), the left end of the bottom of the bed plate (1) is provided with an arc groove (104), the left end of the switching plate (97) is rotatably connected with a third connecting rod (105), the other end of the third connecting rod (105) is arranged in the arc groove (104) and can slide back and forth along the arc groove (104), the bottom end of the bed plate (1) is rotatably connected with a switching rod (106), the middle part of the switching rod (106) is provided with a rectangular groove (107), the left end of the third connecting rod (105) is arranged in the rectangular groove (107) and can slide back and forth along the rectangular groove (107), the switching rod (106) and the third connecting rod (105) are matched with each other to form a limiting structure of the switching plate (97), a sliding pipe (108) is arranged at the right end of the switching rod (106), a positioning rod (109) capable of sliding left and right along the sliding pipe (108) is arranged in the sliding pipe (108), a fourth reset spring (110) is arranged at the right end of the positioning rod (109), and the fourth reset spring (110) and the positioning rod (109) are matched with each other to form the limiting structure of the switching rod (106).

6. The multifunctional pediatric puncture platform according to claim 4, wherein a sixth driving bevel gear (68) is arranged at the right end of the fourth rotating shaft (65), a sixth driven bevel gear (69) is meshed at the upper end of the sixth driving bevel gear (68), a second sliding rod (70) rotatably connected with the bed plate (1) is fixedly sleeved at the middle part of the sixth driven bevel gear (69), a second hollow rod (71) is arranged at the lower end of the second sliding rod (70), the lower end of the second sliding rod (70) is arranged in the second hollow rod (71) and can slide up and down along the second hollow rod (71), a base (72) is arranged below the bed plate (1), the hollow rod is rotatably connected with the base (72), a driving sprocket (73) is fixedly sleeved at the outer side of the bottom end of the hollow rod, a plurality of spiral tubes (74) are fixedly connected with the lower end of the bed plate (1), the upper end of base (72) is rotated and is connected with a plurality of screw rods (75), and screw rod (75) all with screwed pipe (74) one-to-one and screw-thread fit, every the lower extreme of screw rod (75) all fixed cover is equipped with a double sprocket (76), all the cover is equipped with a first chain (77) between the double sprocket (76) of the bottom plate left and right sides, the cover is equipped with a second chain (78) between the double sprocket (76) of bottom plate left side, the cover is equipped with a third chain (79) between every double sprocket (76) on bottom plate right side and drive sprocket (73), and every screw rod (75) and screwed pipe (74) that correspond mutually support and form the limit structure of bed board (1) height.

7. The multifunctional pediatric puncture platform according to claim 1, wherein an arc chute (80) is formed in the left side of the bed plate (1), an object placing plate (81) capable of sliding back and forth along the arc chute (80) is arranged in the arc chute (80), a supporting wheel (82) is rotatably connected to the lower end of the object placing plate (81), the supporting wheel (82) can slide back and forth along the bed plate (1), a corrugated metal pipe (83) is fixedly connected to the right end of the bed plate (1), a shadowless lamp (84) is arranged at the upper end of the corrugated metal pipe (83), a storage box (85) is arranged on the right side of the bed plate (1), and a wrist restraint strap (86) is arranged on the outer side of each turnover plate (5).