CN111407551B

CN111407551B - Medical treatment bed for internal medicine

Info

Publication number: CN111407551B
Application number: CN202010251423.6A
Authority: CN
Inventors: 张若煜; 李天瑯
Original assignee: Zhejiang University ZJU
Current assignee: Zhejiang University ZJU
Priority date: 2020-04-01
Filing date: 2020-04-01
Publication date: 2021-02-02
Anticipated expiration: 2040-04-01
Also published as: CN111407551A

Abstract

The invention discloses an internal medicine medical bed, which is characterized in that: including the bedstead, place the bed board in the bedstead top, set up the handrail frame mechanism in the bedstead side, the bedstead includes the medium plate and respectively with medium plate articulated head board and tailstock board, be provided with head board elevating system and tailstock board elevating system that can drive head board and tailstock board pivoted respectively in the bedstead, the bedstead bottom is equipped with driving motor, the driving motor drive is connected with the drive shaft, the drive shaft front end is connected with initiative bevel gear, be equipped with first transmission shaft and second transmission shaft in the bedstead, the one end of first transmission shaft and second transmission shaft is connected with first driven bevel gear and second driven bevel gear respectively.

Description

Medical treatment bed for internal medicine

Technical Field

The invention relates to the technical field of medical beds, in particular to an internal medical bed.

Background

In the known technical field, the internal medicine plays an extremely important part in clinical medicine, which is a basic subject of each clinical medicine, the content explained has general significance in the theory and practice of clinical medicine, and is an important basis for learning and mastering other clinical subjects, and the internal medicine relates to a wide range of common diseases including respiratory, circulation, digestion, urinary, hematopoietic systems, endocrine, metabolism, rheumatism and the like and diseases caused by physicochemical factors. For the patients lying in bed for a long time, the physical strength is reduced due to the long-term lying in bed, and the patients cannot get up by themselves, so that the bed has the lifting function to play an assisting role when needed.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provide a medical bed for internal medicine.

In order to achieve the purpose, the invention provides the following technical scheme to realize the purpose:

a medical treatment bed is characterized in that: comprises a bedstead, a bed board arranged above the bedstead, and a handrail frame mechanism arranged on the side surface of the bedstead, wherein the bedstead comprises a middle board, a headboard and a footboard hinged with the middle board, a headboard lifting mechanism and a footboard lifting mechanism which can respectively drive the headboard and the footboard to rotate are arranged in the bedstead, a driving motor is arranged at the bottom of the bedstead, the driving motor is in driving connection with a driving shaft, the front end of the driving shaft is connected with a driving bevel gear, a first driving shaft and a second driving shaft are arranged in the bedstead, one end of the first driving shaft and one end of the second driving shaft are respectively connected with a first driven bevel gear and a second driven bevel gear, the first driven bevel gear and the second driven bevel gear are respectively meshed with the driving bevel gear, a first transmission gear is arranged on the first driving shaft, a first hydraulic cylinder is arranged at the bottom of the bedstead, the front end of a piston rod of the first, a first screw rod is arranged below the bed tail plate, a second transmission gear is arranged on the first screw rod and meshed with the first transmission gear, a bed tail plate lifting mechanism is arranged on the first screw rod, a first speed change gear and a second speed change gear are arranged on the second transmission shaft, a speed change shaft parallel to the second transmission shaft is arranged at the bottom of the bed frame, a driven clutch block is arranged on the speed change shaft, a first butt joint gear set and a second butt joint gear set are sleeved on the speed change shaft, the first butt joint gear set and the second butt joint gear set are respectively meshed with the first speed change gear and the second speed change gear, the driven clutch block is positioned between the first butt joint gear set and the second butt joint gear set, a second hydraulic cylinder is further arranged at the bottom of the bed frame, the front end of a piston rod of the second hydraulic cylinder is rotationally connected with the speed change shaft, the second hydraulic cylinder can drive the speed change shaft to move so that the driven clutch block is respectively meshed with the first butt joint gear set, a second screw rod is arranged below the headboard, the variable speed shaft drives the second screw rod to rotate through a transmission mechanism, and the headboard lifting mechanism is arranged on the second screw rod; first butt joint gear train includes the supporting seat, the supporting seat is installed in the bedstead bottom, the cover is equipped with the outer bearing on the supporting seat, install the ring gear on the outer bearing, the ring gear is kept away from one side of supporting seat and is installed and rotate separation and reunion piece, the shape that rotates separation and reunion piece suits with the shape of driven separation and reunion piece, the embedded inner bearing that is equipped with of supporting seat, the change shaft passes the inner bearing setting and can rotate or remove in the inner bearing, the bedstead bottom is equipped with a plurality of bearing mechanism, first transmission shaft and change shaft rotate the setting respectively in bearing mechanism. Tailstock board elevating system includes lead screw nut piece, the slide bar, the guide rail, the guide block, support arm and otic placode, the slide bar is fixed on lead screw nut piece, the slide bar lower part is equipped with a plurality of guide blocks, the guide rail sets up the bottom at the bedstead, the guide block can remove along the length direction of guide rail, it is provided with a plurality of support arms to rotate on the slide bar, the support arm other end articulates there is the otic placode, tailstock board elevating system's lead screw nut piece is installed on first lead screw, tailstock board elevating system's otic placode links to each other with tailstock board bottom surface, headstock board elevating system is the same with tailstock board elevating system structure, headstock board elevating system's lead screw nut piece is installed on the second lead screw, headstock board elevating system's otic placode links to each other with the bottom surface of headstock board.

Preferably, the bedstead bottom is equipped with the guide way, install the gear positioning mechanism that can follow its length direction and remove on the guide way, be connected through the link between gear positioning mechanism and the mount pad, gear positioning mechanism is including setting up the supporting shoe on the guide way, supporting shoe upper portion is equipped with the seat of inserting, it has the bracing piece to insert in the seat, the bracing piece is fixed in through fixing bolt and inserts on the seat, the bracing piece is close to second drive gear's one end and is connected with and inserts the board, it has a plurality of fixed pins to insert on the board fixed insertion, the fixed pin right part is coniform, the mode of arranging of fixed pin and second drive gear's tooth's socket phase-match, the fixed pin can insert between the two adjacent.

Preferably, the bearing mechanism comprises a bearing seat, a bottom bearing portion is arranged in the middle of the upper portion of the bearing seat, grooves are formed in positions, located on two sides of the bottom bearing portion, of the upper portion of the bearing seat, a third screw rod is arranged in each groove in a rotating mode, a movable block is arranged on the third screw rod, a connecting block is installed on each movable block, a side bearing portion is fixed on each connecting block, bearings for rotation or movement of the first transmission shaft and the transmission shaft can be formed after the side bearing portion and the bottom bearing portion are spliced, one end, penetrating through the grooves, of the third screw rod is connected with a screw rod gear, a driving handle is arranged on the position, located below the third screw rod, of the bearing seat in a rotating mode, a driving gear is arranged on each driving handle, the driving gear is meshed with the.

Preferably, the transmission mechanism comprises a third transmission shaft, a third transmission gear arranged on the speed changing shaft and a fourth transmission gear arranged on the second screw rod, the third transmission shaft is provided with a sixth transmission gear and a fifth transmission gear, the fifth transmission gear is meshed with the third transmission gear, and the sixth transmission gear is meshed with the fourth transmission gear.

As preferred, handrail frame mechanism is including setting up two rotation seats with one side on the bedstead, the rotation seat internal rotation is provided with handrail frame, handrail frame is the U-shaped, rotation seat upper portion is equipped with the fixing base, the fixing base inboard is equipped with the fixture block, fixing base female connection has fixing bolt, fixing bolt the inner rotates with the fixture block and links to each other, the fixture block inboard is provided with the rubber pad, thereby it presss from both sides or is close to the fixing base with handrail frame and loosen handrail frame to rotate fixing bolt and can control the fixture block, through the guiding mechanism cooperation between fixture block and the fixing base, the cover is equipped with the table on the handrail frame, the one end that handrail frame was kept away from to the table is equipped with the drag hook, the drag hook inboard is connected with the dead lever, the dead lever runs through the table setting, the.

Preferably, the table plate is provided with an embedded groove, an auxiliary supporting rod is rotatably arranged in the embedded groove, one end, far away from the rotating point, of the auxiliary supporting rod is an inclined surface, and a groove is formed in the inclined surface.

As preferred, the auxiliary strut both sides are equipped with the fixed slot, and the sliding tray has been seted up to the position that lies in the embedded groove both sides in the table, and the sliding tray is perpendicular mutually with the embedded groove, and the sliding tray inside is equipped with the second spring, and second spring one end links to each other with the bottom of sliding tray, and the other end is connected with the sliding block, and one side that the second spring was kept away from to the sliding block is equipped with the fixed block, and the shape and the fixed slot of fixed block cooperate. Through the cooperation of fixed block and fixed slot, fix transferring into to the embedded groove in supplementary branch.

Preferably, the four corners of the lower portion of the bed frame are provided with storage grooves, the storage grooves are internally provided with roller mechanisms, the roller mechanisms can rotate out of the storage grooves to support the bed frame to move when in use, and the roller mechanisms can rotate into the storage grooves to be stored when not in use.

Preferably, the accommodating groove is internally provided with a central rod, the roller mechanism comprises a roller seat which is rotatably arranged on the central rod, a roller is arranged on the roller seat, the central rod is sleeved with a third spring and a fourth spring, the third spring is positioned between the top wall of the accommodating groove and the roller seat, the fourth spring is positioned between the roller seat and the bottom of the accommodating groove, the upper end of the third spring is connected with a baffle plate, and the adjusting block further comprises an adjusting block which can be sleeved on the central rod and then clamped between the top wall of the accommodating groove and the baffle plate.

Compared with the prior art, the invention has the beneficial effects that: the diameters of the first speed change gear and the second speed change gear are different, so that the rotating speeds of the first butt joint gear set and the second butt joint gear set which are driven respectively are different, the driven clutch block on the speed change shaft is clamped with the first butt joint gear set or the second butt joint gear set respectively, the rotation of the speed change shaft can be controlled, and then the rotation of the second screw rod is adjusted, so that the rotating speed of the headboard can be adjusted. For a common patient, the driven clutch block is matched with the second butt joint gear set, and the bed head board is controlled to rotate and lift at a normal speed; for patients with uncomfortable body, the driven clutch block is matched with the first butt-joint gear set to control the headboard to rotate and lift at a slow speed.

The lifting of patient's shank compares the promotion of upper part of the body and needs few, rotates suitable position after the footboard, moves through first pneumatic cylinder drive first transmission shaft, makes first driven bevel gear break away from with the meshing of drive bevel gear, and first transmission gear also breaks away from the meshing with second transmission gear this moment to make first lead screw stall, footboard elevating system inject the footboard in this position. At the moment, the second driven bevel gear is still meshed with the driving bevel gear, the headboard is driven to rotate continuously through the headboard lifting mechanism, and the headboard is rotated to a proper position and then stopped.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged schematic view at A in FIG. 1;

FIG. 3 is a schematic structural view of a table top according to the present invention;

FIG. 4 is an enlarged schematic view at B of FIG. 1;

fig. 5 is a schematic structural view of the bed plate of the invention;

FIG. 6 is a top view of the bed frame of the present invention;

FIG. 7 is a schematic structural view of a first butt gear set and a second butt gear set according to the present invention;

FIG. 8 is a cross-sectional view of a first and second interfacing gear set of the present invention;

FIG. 9 is a schematic structural view of a footboard elevating mechanism and a headboard elevating mechanism of the present invention;

FIG. 10 is a schematic view of the structure of the bearing mechanism of the present invention;

FIG. 11 is an enlarged view taken at A in FIG. 10;

FIG. 12 is a schematic view of the gear positioning mechanism of the present invention;

FIG. 13 is a schematic view of the roller mechanism of the present invention in use;

FIG. 14 is a schematic view of the roller mechanism of the present invention during storage;

FIG. 15 is a schematic view of the table board of the present invention during splicing.

Detailed Description

Embodiments of the present invention are described in detail below with reference to fig. 1-15.

A medical bed for internal medicine comprises a bed frame 1, a bed board placed above the bed frame 1 and a handrail frame mechanism 4 arranged on the side surface of the bed frame 1, wherein the bed frame 1 comprises a middle plate 69 and a headboard 68 and a footboard 70 which are respectively hinged with the middle plate 69, a headboard lifting mechanism 48 and a footboard lifting mechanism 34 which can respectively drive the headboard 68 and the footboard 70 to rotate are arranged in the bed frame 1, a driving motor 23 is arranged at the bottom of the bed frame 1, the driving motor 23 is connected with a driving shaft 24 in a driving way, the front end of the driving shaft 24 is connected with a driving bevel gear 25, a first transmission shaft 26 and a second transmission shaft 39 are arranged in the bed frame 1, one end of the first transmission shaft 26 and one end of the second transmission shaft 39 are respectively connected with a first driven bevel gear 27 and a second driven bevel gear 38, the first driven bevel gear 27 and the second driven bevel gear 38 are respectively meshed with the driving bevel gear 25, the bottom of the bed frame 1 is provided with a first hydraulic cylinder 31, the front end of a piston rod of the first hydraulic cylinder 31 is connected with an installation base 29, a first transmission shaft 26 is rotatably connected with the installation base 29, a first screw rod 32 is arranged below a bed end plate 70, a second transmission gear 33 is arranged on the first screw rod 32, the second transmission gear 33 is meshed with a first transmission gear 30, a bed end plate lifting mechanism 34 is arranged on the first screw rod 32, a first transmission gear 40 and a second transmission gear 41 are arranged on a second transmission shaft 39, a speed change shaft 44 parallel to the second transmission shaft 39 is arranged at the bottom of the bed frame 1, a driven clutch block 45 is arranged on the speed change shaft 44, a first butt joint gear set 42 and a second butt joint gear set 43 are sleeved on the speed change shaft 44, the first butt joint gear set 42 and the second butt joint gear set 43 are respectively meshed with the first transmission gear 40 and the second transmission gear 41, the driven clutch block 45 is positioned between the first butt joint gear set 42 and the second butt joint gear, the bottom of the bedstead 1 is further provided with a second hydraulic cylinder 89, the front end of a piston rod of the second hydraulic cylinder 89 is rotatably connected with the speed change shaft 44, the second hydraulic cylinder 89 can drive the speed change shaft 44 to move so that the driven clutch block 45 is respectively meshed with the first butt-joint gear group 42 or the second butt-joint gear group 43, a second screw rod 47 is arranged below the headboard 68, the speed change shaft 44 drives the second screw rod 47 to rotate through the transmission mechanism 46, and the headboard lifting mechanism 48 is arranged on the second screw rod 47; the first butt-joint gear set 42 comprises a supporting seat 49, the supporting seat 49 is installed at the bottom of the bed frame 1, an outer bearing 50 is sleeved on the supporting seat 49, a toothed ring 92 is installed on the outer bearing 50, a rotary clutch block 51 is installed on one side, away from the supporting seat 49, of the toothed ring 92, the shape of the rotary clutch block 51 is matched with that of the driven clutch block 45, an inner bearing 90 is embedded in the supporting seat 49, the speed change shaft 44 penetrates through the inner bearing 90 and can rotate or move in the inner bearing 90, a plurality of bearing mechanisms 28 are arranged at the bottom of the bed frame 1, and the first transmission shaft 26 and the speed change shaft 44 are respectively rotatably arranged in the bearing mechanisms 28.

When the shape of the bed board needs to be adjusted, the driving motor 23 drives the driving bevel gear 25 to rotate through the driving shaft 24, the driving bevel gear 25 drives the first driven bevel gear 27 and the second driven bevel gear 38 which are meshed with each other to rotate, the first driven bevel gear 27 drives the mounting seat 29 to rotate through the first transmission shaft 26, the mounting seat 29 drives the first screw rod 32 to rotate through the second transmission gear 33 which is meshed with each other, and therefore the bed tail board 70 is driven to rotate through the bed tail board lifting mechanism 34 to lift; the second driven bevel gear 38 drives the second transmission shaft 39 to rotate, the first speed change gear 40 and the second speed change gear 41 on the second transmission shaft 39 drive the first butt gear set 42 and the second butt gear set 43 which are meshed to rotate respectively, the second hydraulic cylinder 89 drives the speed change shaft 44 to move so that the driven clutch block 45 is clamped with the rotating clutch block 51 on the first butt gear set 42 or the second butt gear set 43 respectively, the first butt gear set 42 or the second butt gear set 43 drives the speed change shaft 44 to rotate through the driven clutch block 45, the speed change shaft 44 drives the second lead screw 47 to rotate through the transmission mechanism 46, and therefore the headboard lifting mechanism 48 drives the headboard 68 to rotate so as to lift.

The diameters of the first speed changing gear 40 and the second speed changing gear 41 are different, so that the rotating speeds of the first butt-joint gear set 42 and the second butt-joint gear set 43 which are respectively driven are different, the driven clutch block 45 on the speed changing shaft 44 is respectively clamped with the first butt-joint gear set 42 or the second butt-joint gear set 43, the rotation of the speed changing shaft 44 can be controlled, the rotation of the second screw rod 47 is further adjusted, and the rotating speed of the headboard 68 can be adjusted. For a common patient, the driven clutch block 45 is matched with the second butt joint gear set 43, and the headboard 68 is controlled to rotate and lift at a normal speed; for a patient with physical discomfort, the driven clutch block 45 is matched with the first docking gear set 42, and the headboard 68 is controlled to rotate and lift at a slower speed.

Generally, the patient's leg is lifted less than the upper body, and after the footboard 70 is rotated to a proper position, the first transmission shaft 26 is driven by the first hydraulic cylinder 31 to move, so that the first driven bevel gear 27 is disengaged from the driving bevel gear 25, and at this time, the first transmission gear 30 is also disengaged from the second transmission gear 33, so that the rotation of the first lead screw 32 is stopped, and the footboard 70 is restricted to the proper position by the footboard elevating mechanism 34. At this time, the second driven bevel gear 38 still engages with the driving bevel gear 25, and the headboard 68 is driven to rotate continuously by the headboard lifting mechanism 48, so that the headboard 68 is rotated to a proper position and then stopped.

The footboard elevating mechanism 34 comprises a screw rod nut block 71, a sliding rod 72, a guide rail 73, a guide block 74, a support arm 75 and an ear plate 76, the sliding rod 72 is fixed on the screw rod nut block 71, the lower part of the sliding rod 72 is provided with a plurality of guide blocks 74, the guide rail 73 is arranged at the bottom of the bedstead 1, the guide blocks 74 can move along the length direction of the guide rail 73, the sliding rod 72 is rotatably provided with a plurality of support arms 75, the other end of the support arm 75 is hinged with the ear plate 76, the screw rod nut block 71 of the footboard elevating mechanism 34 is arranged on the first screw rod 32, the ear plate 76 of the footboard elevating mechanism 34 is connected with the bottom surface of the footboard 70, the footboard elevating mechanism 48 has the same structure as the footboard elevating mechanism 34, the screw rod nut block 71 of the footboard elevating mechanism 48 is arranged on the second screw rod 47, and the ear plate 76 of the footboard elevating mechanism 48 is connected with the bottom surface of the.

The bedstead 1 bottom is equipped with the guide way 36, install the gear positioning mechanism 37 that can remove along its length direction on the guide way 36, be connected through link 35 between gear positioning mechanism 37 and the mount pad 29, gear positioning mechanism 37 is including setting up the supporting shoe 63 on the guide way 36, supporting shoe 63 upper portion is equipped with inserts the seat 64, it has bracing piece 65 to insert in the seat 64, bracing piece 65 is fixed in inserting on the seat 64 through fixing bolt, the one end that bracing piece 65 is close to second drive gear 33 is connected with inserts board 66, insert and fixedly insert on the board 66 and have a plurality of fixed pins 67, the fixed pin 67 right part is the coniform, the arrangement mode of fixed pin 67 and the tooth's socket phase-match of second drive gear 33, fixed pin 67 can insert between two adjacent teeth of second drive gear 33.

The first hydraulic cylinder 31 drives the first transmission gear 30 to be disengaged from the second transmission gear 33, the mounting seat 29 drives the gear positioning mechanism 37 to move together through the connecting frame 35, and the fixing pin 67 is inserted into the tooth groove of the second transmission gear 33 to fix the second transmission gear 33 and prevent the second transmission gear 33 from rotating. Therefore, the first screw rod 32 is fixed, the position of the bed tail plate 70 is fixed, and when the first hydraulic cylinder 31 drives the first transmission gear 30 to move, the first hydraulic cylinder can be conveniently meshed with the second transmission gear 33, so that the gear teeth are prevented from being misaligned.

The bearing mechanism 28 comprises a bearing seat 52, a bottom bearing part 53 is arranged in the middle of the upper part of the bearing seat 52, grooves are formed in the positions, located on the two sides of the bottom bearing part 53, of the upper part of the bearing seat 52, a third screw rod 56 is rotatably arranged in the grooves, a movable block 91 is arranged on the third screw rod 56, a connecting block 54 is installed on the movable block 91, a lateral bearing part 55 is fixed on the connecting block 54, the lateral bearing part 55 and the bottom bearing part 53 can form a bearing for the first transmission shaft 26 and the transmission shaft 44 to rotate or move after being spliced, one end, penetrating through the grooves, of the third screw rod 56 is connected with a screw rod gear 57, a driving handle 58 is rotatably arranged at the position, located below the third screw rod 56, on the bearing seat 52, a driving handle 59 is arranged on the driving handle 58, the driving gear 59 is meshed with the screw rod, the inner end of the pawl adjusting handle 62 is connected with a pawl 61, and the pawl 61 is matched with the ratchet 60.

The driving gear 59 is rotated by the driving handle 58, and the driving gear 59 rotates the third screw 56 by the screw gear 57, so that the connecting block 54 drives the side bearing portion 55 to move inward, and a bearing for rotating or moving the first transmission shaft 26 and the transmission shaft 44 is spliced with the bottom bearing portion 53. The ratchet 60 and pawl 61 are configured to prevent the reverse rotation of the drive handle 58, thereby defining the position of the lateral bearing portion 55 and further stabilizing the rotation of the first drive shaft 26 and the shift shaft 44 from wobbling. Bearing mechanism 28 is configured to facilitate removal of first drive shaft 26 and shift shaft 44 therefrom for replacement or repair.

The transmission mechanism 46 comprises a third transmission shaft 85, a third transmission gear 84 arranged on the speed changing shaft 44 and a fourth transmission gear 88 arranged on the second screw rod 47, wherein the third transmission shaft 85 is provided with a sixth transmission gear 87 and a fifth transmission gear 86, the fifth transmission gear 86 is meshed with the third transmission gear 84, and the sixth transmission gear 87 is meshed with the fourth transmission gear 88.

The width of the third transmission gear 84 is larger than the width of the fifth transmission gear 86 plus the moving range of the shift shaft 44, so that the third transmission gear 84 is always meshed with the fifth transmission gear 86 in the moving process.

The handrail frame mechanism 4 comprises two rotating seats 6 arranged on the same side of the bed frame 1, a handrail frame 7 is rotationally arranged in the rotating seats 6, the handrail frame 7 is U-shaped, a fixed seat 8 is arranged on the upper portion of the rotating seat 6, a clamping block 9 is arranged on the inner side of the fixed seat 8, a fixed bolt 11 is connected with the inner end of the fixed bolt 11 in a threaded manner, the clamping block 9 is rotationally connected with the inner end of the fixed bolt 11, a rubber pad 10 is arranged on the inner side of the clamping block 9, the fixed bolt 11 can be rotated to control the clamping block 9 to be far away from the fixed seat 8 so as to clamp the handrail frame 7 or approach the fixed seat 8 so as to loosen the handrail frame 7, a table plate 5 is sleeved on the handrail frame 7 through the matching of a guide mechanism, a drag hook 12 is arranged at one end of the table plate 5 far away from the handrail frame 7, the drag hooks 12 on the front side and the rear side are reversely arranged on the two table plates 5.

When not in use, the armrest frame 7 is turned to the rotary seat 6 and leans against the outside of the bedstead 1. When the handrail frame 7 is used, the handrail frame 7 is overturned to the fixed seat 8, the position of the clamping block 9 is adjusted through the fixing bolt 11, the clamping block 9 is far away from the fixed seat 8, and the handrail frame 7 is clamped tightly by the rubber pad 10 arranged on the clamping block 9, so that the handrail frame 7 is fixed.

The table plates 5 on the two sides are turned inwards, the draw hooks 12 are buckled with each other, and the two draw hooks 12 are tensioned by the aid of elasticity of the first spring 14, so that the two table plates 5 are spliced into a whole to form a table top for people to use.

The table plate 5 is provided with an embedded groove 15, an auxiliary supporting rod 16 is rotatably arranged in the embedded groove 15, one end, far away from a rotating point, of the auxiliary supporting rod 16 is an inclined surface, and a groove 22 is formed in the inclined surface. Supplementary branch 16 both sides are equipped with fixed slot 17, and the sliding tray 18 has been seted up to the position that lies in embedded groove 15 both sides in the table 5, and sliding tray 18 is mutually perpendicular with embedded groove 15, and sliding tray 18 inside is equipped with second spring 20, and second spring 20 one end links to each other with the bottom of sliding tray 18, and the other end is connected with sliding block 19, and one side that second spring 20 was kept away from to sliding block 19 is equipped with fixed block 21, and the shape of fixed block 21 cooperatees with fixed slot 17. The auxiliary supporting rod 16 which is rotated into the embedded groove 15 is fixed through the matching of the fixing block 21 and the fixing groove 17.

After the table plate 5 is spliced, the auxiliary supporting rod 16 is hooked from the groove 22 and is rotated out from the embedded groove 15, and the bottom of the auxiliary supporting rod 16 is contacted with the bed plate, so that the effect of supporting the table plate 5 is achieved, and the table plate 5 is more stable.

The four corners of bedstead 1 lower part have been seted up and have been accomodate groove 2, accomodate and install gyro wheel mechanism 3 in the groove 2, gyro wheel mechanism 3 can be followed and accomodate the groove 2 and change out in order to support bedstead 1 to remove when using, and gyro wheel mechanism 3 can change over to accomodate in the groove 2 when not using. Accomodate and be equipped with well core rod 77 in the groove 2, gyro wheel mechanism 3 sets up the roller seat 78 on well core rod 77 including rotating, install gyro wheel 83 on the roller seat 78, the cover is equipped with third spring 79 and fourth spring 80 on well core rod 77, third spring 79 is located and accomodates between groove 2's roof and the roller seat 78, fourth spring 80 is located roller seat 78 and accomodates between groove 2's the bottom, third spring 79 upper end is connected with baffle 81, still include regulating block 82, thereby regulating block 82 can overlap on well core rod 77 and block between groove 2's roof and baffle 81.

When the roller mechanism 3 is not used, it is stored in the storage groove 2 to reduce the space occupation. When the roller mechanism 3 is needed, the roller seat 78 is rotated on the central rod 77, the roller 83 leaves from the accommodating groove 2 after the roller seat 78 rotates one hundred eighty degrees, the adjusting block 82 is clamped on the central rod 77 between the baffle 81 and the top wall of the accommodating groove 2, and therefore the third spring 79 and the fourth spring 80 are compressed, the roller 83 descends to contact with the ground, and the bed can be pushed to move.

The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.

Claims

1. A medical treatment bed is characterized in that: comprises a bedstead (1), a bed board placed above the bedstead (1), and a handrail frame mechanism (4) arranged on the side surface of the bedstead (1), wherein the bedstead (1) comprises a middle plate (69), and a headboard (68) and a footboard (70) which are respectively hinged with the middle plate (69), a headboard lifting mechanism (48) and a footboard lifting mechanism (34) which can respectively drive the headboard (68) and the footboard (70) to rotate are arranged in the bedstead (1), a driving motor (23) is arranged at the bottom of the bedstead (1), the driving motor (23) is in driving connection with a driving shaft (24), the front end of the driving shaft (24) is connected with a driving bevel gear (25), a first transmission shaft (26) and a second transmission shaft (39) are arranged in the bedstead (1), one end of the first transmission shaft (26) and one end of the second transmission shaft (39) are respectively connected with a first driven bevel gear (27) and a second driven bevel gear (38), the bed comprises a bed frame, and is characterized in that a first driven bevel gear (27) and a second driven bevel gear (38) are respectively meshed with a driving bevel gear (25), a first transmission gear (30) is installed on a first transmission shaft (26), a first hydraulic cylinder (31) is arranged at the bottom of the bed frame (1), the front end of a piston rod of the first hydraulic cylinder (31) is connected with an installation seat (29), the first transmission shaft (26) is rotatably connected with the installation seat (29), a first screw rod (32) is arranged below a bed tail plate (70), a second transmission gear (33) is installed on the first screw rod (32), the second transmission gear (33) is meshed with the first transmission gear (30), a bed tail plate lifting mechanism (34) is installed on the first screw rod (32), a first speed change gear (40) and a second speed change gear (41) are installed on the second transmission shaft (39), a speed change shaft (44) parallel to the second transmission shaft (39) is arranged at the bottom of the bed frame (1), a driven clutch block (45) is installed on the speed changing shaft (44), a first butt joint gear set (42) and a second butt joint gear set (43) are sleeved on the speed changing shaft (44), the first butt joint gear set (42) and the second butt joint gear set (43) are respectively meshed with a first speed changing gear (40) and a second speed changing gear (41), the driven clutch block (45) is located between the first butt joint gear set (42) and the second butt joint gear set (43), a second hydraulic cylinder (89) is further arranged at the bottom of the bed frame (1), the front end of a piston rod of the second hydraulic cylinder (89) is rotatably connected with the speed changing shaft (44), the second hydraulic cylinder (89) can drive the speed changing shaft (44) to move so that the driven clutch block (45) is respectively meshed with the first butt joint gear set (42) or the second butt joint gear set (43), and a second lead screw (47) is arranged below the head plate (68), the variable speed shaft (44) drives a second screw rod (47) to rotate through a transmission mechanism (46), and the headboard lifting mechanism (48) is installed on the second screw rod (47); the first butt-joint gear set (42) comprises a supporting seat (49), the supporting seat (49) is installed at the bottom of a bed frame (1), an outer bearing (50) is sleeved on the supporting seat (49), a toothed ring (92) is installed on the outer bearing (50), a rotary clutch block (51) is installed on one side, away from the supporting seat (49), of the toothed ring (92), the shape of the rotary clutch block (51) is matched with that of a driven clutch block (45), an inner bearing (90) is embedded in the supporting seat (49), the speed change shaft (44) penetrates through the inner bearing (90) and can rotate or move in the inner bearing (90), a plurality of bearing mechanisms (28) are arranged at the bottom of the bed frame (1), and the first transmission shaft (26) and the speed change shaft (44) are rotatably arranged in the bearing mechanisms (28) respectively; the tailstock lifting mechanism (34) comprises a screw rod nut block (71), a sliding rod (72), a guide rail (73), guide blocks (74), supporting arms (75) and lug plates (76), the sliding rod (72) is fixed on the screw rod nut block (71), the lower part of the sliding rod (72) is provided with a plurality of guide blocks (74), the guide rail (73) is arranged at the bottom of the bedstead (1), the guide blocks (74) can move along the length direction of the guide rail (73), the sliding rod (72) is rotatably provided with a plurality of supporting arms (75), the other end of each supporting arm (75) is hinged with a lug plate (76), the screw rod nut block (71) of the tailstock lifting mechanism (34) is arranged on a first screw rod (32), the lug plates (76) of the tailstock lifting mechanism (34) are connected with the bottom surface of the tailstock plate (70), and the headstock lifting mechanism (48) has the same structure as the tailstock lifting mechanism (34), a screw rod nut block (71) of the headboard lifting mechanism (48) is arranged on the second screw rod (47), and an ear plate (76) of the headboard lifting mechanism (48) is connected with the bottom surface of the headboard (68); the novel bed is characterized in that a guide groove (36) is formed in the bottom of the bed frame (1), a gear positioning mechanism (37) capable of moving along the length direction of the guide groove (36) is installed on the guide groove (36), the gear positioning mechanism (37) and the installation seat (29) are connected through a connection frame (35), the gear positioning mechanism (37) comprises a supporting block (63) arranged on the guide groove (36), an insertion seat (64) is arranged on the upper portion of the supporting block (63), a supporting rod (65) is inserted into the insertion seat (64), the supporting rod (65) is fixed onto the insertion seat (64) through a fixing bolt, one end, close to the second transmission gear (33), of the supporting rod (65) is connected with an insertion plate (66), a plurality of fixing pins (67) are fixedly inserted into the insertion plate (66), and the right portion of the fixing pins (67) is in a conical.

2. A medical treatment bed as claimed in claim 1, wherein: the bearing mechanism (28) comprises a bearing seat (52), a bottom bearing part (53) is arranged in the middle of the upper part of the bearing seat (52), the upper part of the bearing seat (52) is provided with grooves at the positions on the two sides of the bottom bearing part (53), a third screw rod (56) is arranged in the grooves in a rotating manner, a movable block (91) is arranged on the third screw rod (56), a connecting block (54) is installed on the movable block (91), a side bearing part (55) is fixed on the connecting block (54), one end of the third screw rod (56) penetrating through the grooves is connected with a screw rod gear (57), a driving handle (58) is arranged on the bearing seat (52) in the rotating manner at the position below the third screw rod (56), a driving gear (59) is arranged on the driving handle (58), the driving gear (59) is meshed with the screw rod gear (57), and one end of the driving handle (58, a pawl adjusting handle (62) is arranged below the driving handle (58), a pawl (61) is connected to the inner end of the pawl adjusting handle (62), and the pawl (61) is matched with the ratchet wheel (60).

3. A medical treatment bed as claimed in claim 1, wherein: the transmission mechanism (46) comprises a third transmission shaft (85), a third transmission gear (84) arranged on the speed changing shaft (44) and a fourth transmission gear (88) arranged on the second screw rod (47), the third transmission shaft (85) is provided with a fifth transmission gear (86) and a sixth transmission gear (87), the fifth transmission gear (86) is meshed with the third transmission gear (84), and the sixth transmission gear (87) is meshed with the fourth transmission gear (88).

4. A medical treatment bed as claimed in claim 1, wherein: the armrest frame mechanism (4) comprises two rotating seats (6) arranged on the same side of a bed frame (1), an armrest frame (7) is arranged in the rotating seats (6) in a rotating mode, the armrest frame (7) is U-shaped, a fixing seat (8) is arranged on the upper portion of the rotating seats (6), a clamping block (9) is arranged on the inner side of the fixing seat (8), a fixing bolt (11) is connected with the inner end of the fixing seat (8) in a threaded mode, the inner end of the fixing bolt (11) is rotatably connected with the clamping block (9), a rubber pad (10) is arranged on the inner side of the clamping block (9), a table plate (5) is sleeved on the armrest frame (7), a drag hook (12) is arranged at one end, far away from the armrest frame (7), of the table plate (5), a fixing rod (13) is connected to the inner side of the drag hook (12), the fixing rod (13) penetrates through the table plate (5), the drag hooks (12) on the front side and the rear side are reversely arranged on the two table plates (5).

5. A medical bed as claimed in claim 4, wherein: the table is characterized in that an embedded groove (15) is formed in the table plate (5), an auxiliary supporting rod (16) is arranged in the embedded groove (15) in a rotating mode, one end, far away from a rotating point, of the auxiliary supporting rod (16) is an inclined plane, and a groove (22) is formed in the inclined plane.

6. A medical treatment bed according to claim 5, wherein: auxiliary strut (16) both sides are equipped with fixed slot (17), sliding tray (18) have been seted up to the position that is located embedded groove (15) both sides in table (5), sliding tray (18) are mutually perpendicular with embedded groove (15), sliding tray (18) inside is equipped with second spring (20), second spring (20) one end links to each other with the bottom of sliding tray (18), and the other end is connected with sliding block (19), one side that second spring (20) were kept away from in sliding block (19) is equipped with fixed block (21), the shape and fixed slot (17) of fixed block (21) cooperate.

7. A medical treatment bed as claimed in claim 1, wherein: the bed frame is characterized in that storage grooves (2) are formed in four corners of the lower portion of the bed frame (1), roller mechanisms (3) are installed in the storage grooves (2), the roller mechanisms (3) can rotate out of the storage grooves (2) to support the bed frame (1) to move when in use, and the roller mechanisms (3) can rotate into the storage grooves (2) to be stored when not in use.

8. A medical bed as claimed in claim 7, wherein: accomodate and be equipped with well core rod (77) in groove (2), gyro wheel mechanism (3) sets up gyro wheel seat (78) on well core rod (77) including rotating, install gyro wheel (83) on gyro wheel seat (78), the cover is equipped with third spring (79) and fourth spring (80) on well core rod (77), third spring (79) are located and accomodate between the roof of groove (2) and gyro wheel seat (78), fourth spring (80) are located between the bottom of gyro wheel seat (78) and accomodate groove (2), third spring (79) upper end is connected with baffle (81), still includes regulating block (82), thereby regulating block (82) can be overlapped on well core rod (77) and block between the roof of accomodating groove (2) and baffle (81).