CN115414214B - Multifunctional liver-penetrating wheelchair bed for children - Google Patents

Abstract

The invention discloses a multifunctional liver-penetrating wheelchair bed for children, which relates to the field of liver-penetrating wheelchair beds, and solves the problems that the existing liver-penetrating wheelchair bed is time-consuming and labor-consuming when being used for switching positions and potential safety hazards are easy to generate for patients.

Description

Multifunctional liver-penetrating wheelchair bed for children

Technical Field

The invention relates to the technical field of liver-penetrating wheelchair beds, in particular to a multifunctional liver-penetrating wheelchair bed for children.

Background

Liver penetration is an acronym for liver puncture biopsy. Patients are usually anesthetized locally, and a negative pressure liver puncture aspiration one second puncture technique is used, and percutaneous puncture is performed under the positioning and guidance of B-ultrasound and CT, or direct puncture is performed under the monitoring of a laparoscope. The liver specimen is generally obtained by puncturing about 10-25 mg, is subjected to pathological histology, immunohistochemistry and other staining, and is observed under a microscope to observe the liver tissue and cell morphology. Liver puncture pathology is mainly used for differential diagnosis of various liver diseases, such as distinguishing nature of jaundice and cause of generation, and knowing degree and activity of liver lesions.

Children need a period of time to rest after carrying out the liver puncture, and need medical personnel to hold children and switch the position back and forth between sick bed and wheelchair when children rest and remove, cause the damage of certain degree to the infant of the rehabilitation stage of just going on the liver and wearing the art easily when wasting time and energy, lengthen recovered time, current liver is worn the single needs that are difficult to satisfy children liver and is worn, and for this reason, we propose a multi-functional children and wear wheelchair bed with liver.

Disclosure of Invention

The invention aims to provide a multifunctional liver-penetrating wheelchair bed for children, which is convenient to use in self-cleaning and changing modes, so as to solve the problems in the prior art.

In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a multi-functional children wear wheelchair bed with liver, includes head of a bed, mounting bracket, bed body mechanism, wheelchair mechanism, cleaning mechanism, auxiliary mechanism and pop-up mechanism, two sets of bottom plates of fixedly connected with on the head of a bed, the both sides of mounting bracket respectively with two sets of bottom plate sliding connection, bed body mechanism install in on the bottom plate for form the bed body, wheelchair mechanism install in on the mounting bracket for switch between wheelchair and two kinds of forms of bed when needing, cleaning mechanism install in on the mounting bracket, be used for right wheelchair mechanism's surface is dustproof and clean disinfection, auxiliary mechanism install in on the head of a bed for the attention when dispersing children wears the liver, promote puncture efficiency and travelling comfort, pop-up mechanism install in on the mounting bracket for the in-process linkage of wheelchair mechanism becomes wheelchair form holds the power and will after becoming wheelchair form completely the mounting bracket pops, is convenient for use with the transform form.

Preferably, the wheelchair mechanism comprises a seat plate fixedly arranged on the mounting frame, one side of the seat plate is rotationally connected with a back plate, the other side of the seat plate is rotationally connected with a leg plate, one side of the leg plate away from the seat plate is rotationally connected with a pedal, two groups of electric telescopic rods respectively used for adjusting the back plate and the rotation angle of the leg plate are rotationally connected on the mounting frame, and a release piece used for releasing the linkage of the seat plate and limiting the bed body mechanism when the seat plate is swung downwards is arranged on the seat plate, so that the wheelchair and the bed can be conveniently switched between two modes when needed.

Preferably, the bed body mechanism includes fixed mounting in store the cabinet on the bottom plate, the bottom plate with the bottom surface of mounting bracket all is equipped with multiunit universal wheel, the joint groove has been seted up to the top of storing the cabinet, the joint has the curb plate in the joint groove, the bedplate the backplate store the cabinet the curb plate the leg board with the equal fixedly connected with latex pad of pedal upside, be convenient for form the bed body and store articles for use.

Preferably, the release piece comprises two groups of first bevel gears which are respectively fixedly connected with two sides of the leg plate, a first rotating shaft is fixedly connected to the side plate, the two groups of first rotating shafts are respectively and rotatably connected with two sides of the seat plate, and a second bevel gear meshed with the first bevel gears is coaxially and fixedly connected to the first rotating shaft, so that linkage release and bed body mechanism limiting are facilitated when the leg plate swings downwards.

Preferably, the cleaning mechanism comprises an annular sheet strip, the inner wall of the annular sheet strip with the back plate, the seat plate, the leg plates and the pedal top surface are all in sliding connection, the inner wall of the annular sheet strip with the back of the back plate and the bottom surface of the mounting frame are all in sliding connection, the back plate, the seat plate and the leg plates are all fixedly connected with limiting shafts for limiting the annular sheet strip to enable the annular sheet strip to be attached to the latex pad, and cleaning pieces for tensioning the annular sheet strip and cleaning and disinfecting the surfaces of the annular sheet strip are arranged on the mounting frame, so that dust prevention, cleaning and disinfection are carried out on the surfaces of the wheelchair mechanism.

Preferably, the cleaning piece include fixed mounting in the guide rail of mounting bracket both sides, two sets of equal sliding connection has the lifter in the guide rail, two sets of equal fixedly connected with in the top of lifter with mounting bracket fixed connection's extension spring, two sets of rotate between the lifter be connected with annular sheet takes outer wall roll connection's cleaning roller, two sets of fixedly connected with ultraviolet disinfection lamp between the lifter, be equipped with on the mounting bracket and be used for no matter cleaning roller is in any height all can stably drive cleaning roller rotates and makes cleaning roller has certain upward thrust makes annular sheet takes tight driving piece, is convenient for take up annular sheet and clean and disinfect its surface.

Preferably, the driving piece includes fixed mounting in driving motor on the mounting bracket, driving motor's output coaxial fixedly connected with the worm that the mounting bracket rotated and was connected, the coaxial fixedly connected with in one side of cleaning roller with worm wheel that the worm engaged with, be convenient for stably drive cleaning roller rotate and make cleaning roller have a certain thrust upward make annular sheet area tighten.

Preferably, the ejecting mechanism comprises two groups of mounting pipes fixedly mounted on the bed head, a pushing rod is slidably connected in the mounting pipes, a connecting pipe is rotatably connected to the mounting frame, a telescopic sleeve connected with the bottom of the leg plate in a rotating mode is connected to the connecting pipe in a communicating mode, a communicating pipe used for communicating the connecting pipe with one end of the mounting pipe is arranged on the bottom plate, a one-way air inlet valve is fixedly connected to the connecting pipe, and an exhaust groove used for enabling air in the mounting pipe to be exhausted when the wheelchair state slides into the space between the two groups of bottom plates is arranged on the side face of the mounting frame in a communicating mode.

Preferably, the auxiliary mechanism comprises two groups of handles fixedly mounted on the bed head, two groups of handles are fixedly connected on the back plate, video and audio equipment is fixedly connected on one side of the bed head, an air bag pillow is fixedly connected on the back plate, an air charging and discharging machine for adjusting air pressure inside the air bag pillow is fixedly connected on the back plate, attention of children during liver wearing is conveniently dispersed, and puncture efficiency and comfort are improved.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the multifunctional liver-penetrating wheelchair bed for children, when the child is in a lying state, the back plate, the seat plate, the push plate and the pedals are in a horizontal state and are flush with the top surface of the storage cabinet, when the child is required to be changed into a wheelchair state, the electric telescopic rods on two sides are started, the back plate is driven to rotate upwards, the leg plate is swung downwards, meanwhile, the first bevel gear is linked to rotate to drive the second bevel gear to rotate, the first bevel gear is driven to rotate to drive the side plate to turn upwards and turn into the armrest, the clamping limit with the clamping groove is removed, meanwhile, the pedals are not swung downwards any more when being stepped on the mounting frame, the patient in the lying state can be changed into a state of being seated on the seat plate of the wheelchair, and the handle is pushed to move.

2. According to the multifunctional liver-penetrating wheelchair bed for children, the worm is driven to rotate through the driving motor, so that the worm wheel is driven to rotate anticlockwise, the cleaning roller is driven to rotate, the annular sheet belt is driven to rotate, one surface, which is used by a patient above, is driven to the lower side of the annular sheet belt to be cleaned, sterilization and disinfection are performed through the ultraviolet sterilizing lamp while the cleaning roller is used for cleaning, the replacement frequency is reduced, meanwhile, the cleaning roller is always in a pulling state on the annular sheet belt due to the arrangement of the tension spring, the worm wheel is driven to move upwards, and the pulling trend of the annular sheet belt is improved.

3. According to the multifunctional liver-penetrating wheelchair bed for children, when the wheelchair is changed into a wheelchair state, the leg plates swing downwards to rotate to extrude the telescopic tube, so that internal gas enters the communicating tube through the connecting tube and pushes the push rod in the mounting tube to enable the push rod to have a tendency of outwards popping, at the moment, the side plates are not completely erected, any clamping limiting effect is achieved with the clamping grooves, limiting is released until the side plates are completely erected, the push rod pops out to push the mounting frame outwards for a certain distance, the mounting frame is conveniently moved out from the storage cabinets on two sides, when the mounting frame is required to be in a lying state, the mounting frame pushes the extrusion push rod, gas in the mounting tube is discharged through the communicating tube and the exhaust grooves on the side surfaces until the mounting frame moves to a designated position after the communicating tube is communicated with the connecting tube, at the moment, the leg plates swing upwards to enable the telescopic tube to suck air, and the gas enters the telescopic tube through the one-way air inlet valve.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present invention;

FIG. 2 is a schematic view of the wheelchair according to the present invention;

FIG. 3 is a cross-sectional view of the overall structure of the present invention;

FIG. 4 is an enlarged view of area A of FIG. 3;

FIG. 5 is a schematic view of the wheelchair mechanism of the present invention;

FIG. 6 is an enlarged view of area B of FIG. 5;

FIG. 7 is a schematic view of a cleaning mechanism according to the present invention;

FIG. 8 is an enlarged view of region C of FIG. 7;

FIG. 9 is a cross-sectional view of the cleaning mechanism of the present invention;

FIG. 10 is an enlarged view of area D of FIG. 9;

fig. 11 is an enlarged view of area E in fig. 9.

In the figure: 1-bed head; 2-mounting frames; 3-a bottom plate; 4-a bed mechanism; 5-a wheelchair mechanism; 6-a cleaning mechanism; 7-an auxiliary mechanism; 8-an ejector mechanism; 9-seat board; 10-a back plate; 11-leg plates; 12-pedaling; 13-an electric telescopic rod; 14-a release member; 15-a storage cabinet; 16-universal wheels; 17-a clamping groove; 18-side plates; 19-latex pads; 20-a first bevel gear; 21-a first spindle; 22-a second bevel gear; 23-annular sheet strips; 24-limiting shaft; 25-cleaning members; 26-a guide rail; 27-lifting blocks; 28-tension springs; 29-cleaning a roller; 30-ultraviolet disinfection lamp; 31-a driving member; 32-a drive motor; 33-worm; 34-worm gear; 35-mounting a tube; 36-pushing the rod; 37-connecting pipes; 38-telescoping tube; 39-communicating tube; 40-one-way intake valve; 41-an exhaust groove; 42-grip; 43-handle; 44-video and audio equipment; 45-an air bag pillow; 46-inflating and deflating machine.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Referring to fig. 1-11, the present invention provides a technical solution: the utility model provides a multi-functional children wear wheelchair bed with liver, including head of a bed 1, mounting bracket 2, bed body mechanism 4, wheelchair mechanism 5, clean mechanism 6, auxiliary mechanism 7 and pop-up mechanism 8, two sets of bottom plates 3 of fixedly connected with on head of a bed 1, the both sides of mounting bracket 2 respectively with two sets of bottom plates 3 sliding connection, bed body mechanism 4 installs on bottom plate 3, be used for forming the bed body, wheelchair mechanism 5 installs on mounting bracket 2, be used for switching between wheelchair and two kinds of forms of bed when needing, clean mechanism 6 installs on mounting bracket 2, be used for carrying out dustproof and cleaning disinfection to wheelchair mechanism 5's surface, auxiliary mechanism 7 installs on head of a bed 1, be used for the attention when dispersion children wear with liver, promote puncture efficiency and travelling comfort, pop-up mechanism 8 installs on mounting bracket 2, be used for in-process linkage power and pop-up mounting bracket 2 after becoming the wheelchair form completely in wheelchair mechanism 5.

The wheelchair mechanism 5 comprises a seat board 9 fixedly arranged on the mounting frame 2, one side of the seat board 9 is rotationally connected with a back board 10, the other side of the seat board 9 is rotationally connected with a leg board 11, one side of the leg board 11 far away from the seat board 9 is rotationally connected with a pedal 12, two groups of electric telescopic rods 13 respectively used for adjusting the rotation angles of the back board 10 and the leg board 11 are rotationally connected on the mounting frame 2, and a release piece 14 used for releasing the limit of the bed body mechanism 4 in linkage when the leg board 11 swings downwards is arranged on the seat board 9.

The bed body mechanism 4 comprises a storage cabinet 15 fixedly mounted on a bottom plate 3, a plurality of groups of universal wheels 16 are arranged on the bottom surfaces of the bottom plate 3 and a mounting frame 2, a clamping groove 17 is formed in the upper side of the storage cabinet 15, a side plate 18 is clamped in the clamping groove 17, and latex pads 19 are fixedly connected to the upper sides of the seat plate 9, the back plate 10, the storage cabinet 15, the side plate 18, the leg plates 11 and the pedals 12.

The release member 14 comprises two groups of first bevel gears 20 fixedly connected with two sides of the leg plate 11 respectively, a first rotating shaft 21 is fixedly connected to the side plate 18, the two groups of first rotating shafts 21 are rotatably connected with two sides of the seat plate 9 respectively, and a second bevel gear 22 meshed with the first bevel gears 20 is coaxially and fixedly connected to the first rotating shaft 21.

The cleaning mechanism 6 comprises an annular sheet belt 23, the inner wall of the annular sheet belt 23 is in sliding connection with the back plate 10, the seat plate 9, the leg plates 11 and the top surface of the pedal 12, the inner wall of the annular sheet belt 23 is in sliding connection with the back surface of the back plate 10 and the bottom surface of the mounting frame 2, the back plate 10, the seat plate 9 and the leg plates 11 are fixedly connected with limiting shafts 24 which are used for limiting the annular sheet belt 23 and enabling the annular sheet belt 23 to be attached to the latex pads 19, and cleaning pieces 25 which are used for tensioning the annular sheet belt 23 and cleaning and sterilizing the surfaces of the annular sheet belt are arranged on the mounting frame 2.

The cleaning piece 25 includes fixed mounting in the guide rail 26 of mounting bracket 2 both sides, all sliding connection has lifting block 27 in two sets of guide rail 26, the equal fixedly connected with in top of two sets of lifting block 27 with mounting bracket 2 fixed connection's extension spring 28, rotate between two sets of lifting block 27 be connected with annular sheet belt 23 outer wall roll connection's cleaning roller 29, fixedly connected with ultraviolet disinfection lamp 30 between two sets of lifting block 27, be equipped with on the mounting bracket 2 and be used for no matter cleaning roller 29 is in any height all can stably drive cleaning roller 29 rotation and make cleaning roller 29 have a certain upward thrust make the driving piece 31 that annular sheet belt 23 is tight.

The driving member 31 comprises a driving motor 32 fixedly mounted on the mounting frame 2, a worm 33 rotatably connected with the mounting frame 2 is coaxially and fixedly connected to the output end of the driving motor 32, and a worm wheel 34 meshed with the worm 33 is coaxially and fixedly connected to one side of the cleaning roller 29.

The ejecting mechanism 8 comprises two groups of mounting pipes 35 fixedly mounted on the bed head 1, a push rod 36 is slidably connected in the mounting pipes 35, a connecting pipe 37 is rotatably connected to the mounting frame 2, a telescopic sleeve 38 rotatably connected with the bottom of the leg plate 11 is connected to the connecting pipe 37 in a communicating manner, a communicating pipe 39 used for communicating the connecting pipe 37 with one end of the mounting pipe 35 is arranged on the bottom plate 3, a one-way air inlet valve 40 is fixedly connected to the connecting pipe 37, and an exhaust groove 41 used for enabling air in the mounting pipes 35 to be exhausted when the wheelchair is slid between the two groups of bottom plates 3 is formed in the side surface of the mounting frame 2.

The auxiliary mechanism 7 comprises two groups of handles 42 fixedly arranged on the bed head 1, two groups of handles 43 are fixedly connected to the back plate 10, one side of the bed head 1 is fixedly connected with audio-visual equipment 44, an air bag pillow 45 is fixedly connected to the back plate 10, and an air charging and discharging machine 46 for adjusting the air pressure inside the air bag pillow 45 is fixedly connected to the back plate 10.

When the patient is in a lying state, the backboard 10, the seat plate 9, the push plate and the pedals 12 are in a horizontal state and are flush with the top surface of the storage cabinet 15, at the moment, the side plates 18 on the two sides are clamped into the clamping grooves 17 and are spliced with the storage cabinets 15 on the two sides to form a complete sickbed, when the patient is in a wheelchair state, the electric telescopic rods 13 on the two sides are started, the backboard 10 is driven to rotate upwards, the leg plates 11 are swung downwards, the first bevel gears 20 are linked to rotate simultaneously, the second bevel gears 22 are driven to rotate, the first rotating shafts 21 are driven to rotate, the side plates 18 are turned upwards and are converted into handrails, the clamping limit with the clamping grooves 17 is released, the pedals 12 fall onto the mounting frame 2, the patient in the lying state can be changed into a state of being seated on the wheelchair seat plate 9, and the handles 43 are pushed to move.

The model of the driving motor 32 is preferably YYHS-40, the driving motor 32 is started to drive the worm 33 to rotate, thereby driving the worm wheel 34 to rotate anticlockwise, driving the cleaning roller 29 to rotate to enable the annular sheet belt 23 to carry out annular transmission, and enabling one used surface of a patient above to be transmitted to the lower side to be cleaned by the cleaning roller 29 for cleaning and sterilizing by the ultraviolet sterilizing lamp 30, the device only removes some slight dirt and dust, reduces the replacement frequency, simultaneously the tension spring 28 is arranged to enable the cleaning roller 29 to be always in a pulling state on the annular sheet belt 23, the worm wheel 33 is driven to have an upward movement trend in the driving direction, and the pulling trend of the annular sheet belt 23 is promoted.

When the wheelchair is changed into a wheelchair state, the leg plates 11 swing downwards to rotationally squeeze the telescopic sleeves 38, so that internal gas enters the communicating pipe 39 through the connecting pipe 37 and pushes the push rod 36 in the mounting pipe 35, so that the push rod 36 has a tendency to pop out, at this moment, as the side plates 18 are not fully erected and have clamping limiting effects with the clamping grooves 17, the limiting is released until the side plates are fully erected, the push rod 36 pops out to push the mounting frame 2 outwards for a certain distance, the mounting frame 2 is conveniently moved out from the storage cabinets 15 on two sides, when the mounting frame 2 needs to be changed into a lying state, the mounting frame 2 pushes the pushing rod 36, the gas in the mounting pipe 35 is discharged through the communicating pipe 39 and the exhaust grooves 41 on the side surfaces until the mounting frame 2 moves to a specified position after the communicating pipe 39 is communicated with the connecting pipe 37, at this moment, the leg plates 11 swing upwards can enable the telescopic sleeves 38 to suck air, and the gas enters the telescopic sleeves 38 through the one-way air inlet valves 40.

The bed is about 180cm long and 60cm wide, the whole bed body is made of an ABS environment-friendly material, the material is nontoxic, has balanced excellent mechanical properties of toughness, hardness and rigidity, has good oil resistance and wear resistance, has strong acid, alkali, salt and chemical corrosion resistance, has the advantages of light specific gravity and low price, can replace certain metals, is an indispensible environment-friendly material, is made of latex with the thickness of about 5cm and 2cm, 4cm palm fiber, is environment-friendly PU (polyurethane) covered edge, is waterproof, wear-resistant, soft, comfortable, good in rebound resilience, strong in air permeability, and can be used for preventing the bed body from sliding due to vibration and smooth and silence of the universal wheels 16. The bed body is designed into an animation pattern, which is more fit with the mind of children and eases the tension atmosphere. The head of a bed 1 only has the upper left corner which can be inserted into the duct of the infusion rod so as to facilitate the child patient with infusion requirement. The annular bed sheet belt 23 is a medical bed sheet with cartoon patterns, the driving motor 32 is started, and the bed sheet automatically rotates for cleaning and sterilizing. The four corners adopt the round corner design, and the appearance is attractive and safe. The back plate 10 can be lifted by an electric remote control through the electric telescopic rod 13, and the back angle of the bed head 1 is 0-75 degrees. The height of the air bag pillow 45 can be adjusted, so that the patient can be switched more comfortably and conveniently when lying on the back and sitting up. When the two sets of handles 42 are arranged for liver puncture of a patient, the two arms are lifted upwards, so that suspension during high lifting is avoided, puncture parts can be completely exposed, the handles are placed in a matched position, the situation that the operation of medical staff is affected due to retraction of the upper arms is avoided, and the hands are gripped hard when the child is painful, so that pain is relieved. The audio-visual equipment 44 is used for soothing the crying of the infant, transferring the attention of the infant, relieving pain and reducing the puncture difficulty of medical staff, and meanwhile, the audio-visual equipment 44 is provided with a music and game module, so that the infant can lie and sit to touch different buttons, different music or sounds can be generated, the attention of the infant can be transferred to a certain extent, and the crying is reduced. The storage battery is arranged in the mounting frame 2, and power failure is not feared. Meanwhile, the bed can be changed into a wheelchair in seconds, so that the activities and pains of postoperative patients are reduced, secondary injuries are avoided, and the bed and the chair are easily separated and are convenient to move. The existing clamping strip toy at the head of the bed can assist in transferring attention of the child, relieve pain and reduce puncture difficulty of medical staff.

Because the liver puncture requires a doctor to operate on the right side of the patient, the support and the device body of the video and audio device 44 are installed on the left side of the head 1, thereby reducing the obstruction of the operation of medical staff.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. A multi-functional child liver-penetrating wheelchair bed, comprising:

the bed comprises a bed head (1) and a mounting frame (2), wherein two groups of bottom plates (3) are fixedly connected to the bed head (1), and two sides of the mounting frame (2) are respectively connected with the two groups of bottom plates (3) in a sliding manner;

the bed body mechanism (4) is arranged on the bottom plate (3) and is used for forming a bed body;

a wheelchair mechanism (5), the wheelchair mechanism (5) being mounted on the mounting frame (2) for switching between wheelchair and bed configurations when required;

the cleaning mechanism (6) is arranged on the mounting frame (2) and is used for carrying out dust prevention, cleaning and disinfection on the surface of the wheelchair mechanism (5);

the auxiliary mechanism (7) is arranged on the bed head (1) and used for dispersing the attention of children when the children wear the liver and improving the puncture efficiency and the comfort;

the device comprises an ejecting mechanism (8), wherein the ejecting mechanism (8) is arranged on a mounting frame (2), the ejecting mechanism is used for carrying out linkage force accumulation in the process of changing the wheelchair mechanism (5) into the wheelchair form and ejecting the mounting frame (2) after the wheelchair mechanism is completely changed into the wheelchair form, the wheelchair mechanism (5) comprises a seat plate (9) fixedly arranged on the mounting frame (2), one side of the seat plate (9) is rotationally connected with a back plate (10), the other side of the seat plate is rotationally connected with a leg plate (11), one side of the leg plate (11) far away from the seat plate (9) is rotationally connected with a pedal (12), two groups of electric telescopic rods (13) for adjusting the rotation angles of the back plate (10) and the leg plate (11) are rotationally connected on the mounting frame (2), release pieces (14) for releasing the limit of a bed body mechanism (4) when the leg plate (11) is put down, the cleaning mechanism (6) comprises an annular bed sheet (23), the inner wall of the annular bed sheet (23), the annular bed sheet (10), the annular bed sheet (23) and the bottom surface (2) are connected with the annular bed plate (9), the back plate (23) in a sliding way, and the back plate (2) in a sliding way, and the top surface (2) are connected with the annular bed sheet (23), the utility model discloses a wheelchair exhaust device, which comprises a back plate (10), a seat plate (9) and a leg plate (11), wherein the back plate (10), the seat plate (9) and the leg plate (11) are fixedly connected with a limiting shaft (24) used for limiting an annular bed sheet belt (23), a cleaning piece (25) used for tensioning the annular bed sheet belt (23) and cleaning and sterilizing the surface of the annular bed sheet belt is arranged on a mounting frame (2), an ejecting mechanism (8) comprises two groups of mounting pipes (35) fixedly arranged on a bed head (1), pushing rods (36) are slidably connected in the mounting pipes (35), a connecting pipe (37) is rotatably connected on the mounting frame (2), a telescopic sleeve (38) rotationally connected with the bottom of the leg plate (11) is connected on the connecting pipe (37), a communicating pipe (39) used for communicating one end of the connecting pipe (37) with the mounting pipe (35) is arranged on the bottom plate (3), a one-way air inlet valve (40) is fixedly connected on the connecting pipe (37), the side surface of the mounting frame (2) is provided with one end of the sliding pipe (39) and is communicated with the two groups of connecting pipes (35) so that the two groups of air exhaust mechanisms (42) are fixedly arranged in the bed head (7), two sets of handles (43) are fixedly connected with the back plate (10), one side of the bed head (1) is fixedly connected with audio-visual equipment (44), an air bag pillow (45) is fixedly connected with the back plate (10), and an air charging and discharging machine (46) for adjusting the air pressure inside the air bag pillow (45) is fixedly connected with the back plate (10).

2. A multi-functional child liver-fire wheelchair bed according to claim 1, characterized in that: the bed body mechanism (4) include fixed mounting in store cabinet (15) on bottom plate (3), bottom plate (3) with the bottom surface of mounting bracket (2) all is equipped with multiunit universal wheel (16), joint groove (17) have been seted up to the top of storing cabinet (15), joint has curb plate (18) in joint groove (17), bedplate (9) backplate (10) store cabinet (15) curb plate (18) leg plate (11) with equal fixedly connected with emulsion pad (19) of upside of pedal (12).

3. A multi-functional child liver-fire wheelchair bed according to claim 2, characterized in that: the release piece (14) comprises two groups of first bevel gears (20) which are respectively fixedly connected with two sides of the leg plate (11), a first rotating shaft (21) is fixedly connected to the side plate (18), the two groups of first rotating shafts (21) are respectively and rotatably connected with two sides of the seat plate (9), and a second bevel gear (22) which is meshed with the first bevel gear (20) is coaxially and fixedly connected to the first rotating shaft (21).

4. A multi-functional child liver-penetrating wheelchair according to claim 3, wherein: cleaning piece (25) including fixed mounting in guide rail (26) of mounting bracket (2) both sides, two sets of equal sliding connection has lifter block (27) in guide rail (26), two sets of equal fixedly connected with in top of lifter block (27) with extension spring (28) of mounting bracket (2) fixed connection, two sets of rotate between lifter block (27) be connected with annular sheet area (23) outer wall roll connection's cleaning roller (29), two sets of fixedly connected with ultraviolet disinfection lamp (30) between lifter block (27), be equipped with on mounting bracket (2) and be used for no matter cleaning roller (29) are in any height all can stably drive cleaning roller (29) rotate and make cleaning roller (29) have certain upward thrust make annular sheet area (23) stretch tight driving piece (31).

5. A multi-functional child liver-fire wheelchair according to claim 4, wherein: the driving piece (31) comprises a driving motor (32) fixedly installed on the installation frame (2), the output end of the driving motor (32) is coaxially and fixedly connected with a worm (33) rotationally connected with the installation frame (2), and one side of the cleaning roller (29) is coaxially and fixedly connected with a worm wheel (34) meshed with the worm (33).