CN111407574A - Medical internal medicine rehabilitation is with diagnosing bed - Google Patents

Abstract

The invention discloses a medical internal medicine rehabilitation diagnosis and treatment 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

A kind of medical and internal medicine rehabilitation diagnosis and treatment bed

technical field

The invention relates to the technical field of medical beds, in particular to a diagnosis and treatment bed for medical internal medicine rehabilitation.

Background technique

Internal medicine occupies an extremely important position in clinical medicine. It is the basic subject of various clinical medicine disciplines. The content described has its universal significance in the theory and practice of clinical medicine, and is an important basis for learning and mastering other clinical disciplines. It involves a wide range of diseases, including common diseases such as respiration, circulation, digestion, urinary, hematopoietic system, endocrine and metabolism, rheumatism, and diseases caused by physical and chemical factors. During the postoperative recovery process, the patient's physical strength decreases and cannot get up by himself. The medical staff must help the patient to get up during the examination, which affects the effect and efficiency of the examination.

SUMMARY OF THE INVENTION

The purpose of the present invention is to overcome the deficiencies of the prior art and provide a diagnosis and treatment bed for medical internal medicine rehabilitation.

To achieve the above object, the present invention provides the following technical solutions to achieve:

A medical and internal medicine rehabilitation diagnosis and treatment bed is characterized in that it comprises a bed frame, a bed board placed above the bed frame, and an armrest frame mechanism arranged on the side of the bed frame, and the bed frame includes a middle board and a headboard hinged with the middle board respectively. The bed frame is provided with a headboard lifting mechanism and a bed footboard lifting mechanism that can respectively drive the headboard and the bed footboard to rotate. A driving motor is arranged at the bottom of the bed frame, and the driving motor is driven and connected with a driving shaft. The front end of the driving shaft A drive bevel gear is connected, a first drive shaft and a second drive shaft are arranged in the bed frame, and one end of the first drive shaft and the second drive shaft are respectively connected with a first driven bevel gear and a second driven bevel gear, A driven bevel gear and a second driven bevel gear mesh with the driving bevel gear respectively, a first transmission gear is installed on the first transmission shaft, a first hydraulic cylinder is arranged at the bottom of the bed frame, and the front end of the piston rod of the first hydraulic cylinder is connected to There is a mounting seat, the first transmission shaft is rotatably connected with the mounting seat, a first screw rod is arranged under the bed foot plate, a second transmission gear is installed on the first screw rod, the second transmission gear meshes with the first transmission gear, and the bed foot plate rises and falls The mechanism is installed on the first screw rod, the second transmission shaft is installed with a first transmission gear and a second transmission gear, the bottom of the bed frame is provided with a transmission shaft parallel to the second transmission shaft, and a driven clutch is installed on the transmission shaft The transmission shaft is sleeved with a first docking gear set and a second docking gear set, the first docking gear set and the second docking gear set are respectively meshed with the first transmission gear and the second transmission gear, and the driven clutch block is located in the Between the first docking gear set and the second docking gear set, a second hydraulic cylinder is also arranged at the bottom of the bed frame, the front end of the piston rod of the second hydraulic cylinder is rotatably connected with the speed change shaft, and the second hydraulic cylinder can drive the speed change shaft to move to make the slave The movable clutch block is respectively meshed with the first butt gear set or the second butt gear set, a second screw rod is arranged under the headboard, the speed change shaft drives the second screw rod to rotate through the transmission mechanism, and the headboard lifting mechanism is installed on the second screw rod. on the lead screw; the first butt-joining gear set includes a support seat, the support seat is installed at the bottom of the bed frame, an outer bearing is sleeved on the support seat, a gear ring is installed on the outer bearing, and a rotating clutch is installed on the side of the tooth ring away from the support seat The shape of the rotating clutch block is adapted to the shape of the driven clutch block. The inner bearing is embedded in the support seat. The speed change shaft is arranged through the inner bearing and can be rotated or moved in the inner bearing. The bottom of the bed frame is provided with several Bearing mechanism, the first transmission shaft and the speed change shaft are respectively rotated and arranged in the bearing mechanism; the armrest frame mechanism includes two rotating seats arranged on the same side of the bed frame, and an armrest frame is rotatably arranged in the rotating seat, and the armrest frame is U-shaped. The upper part of the rotating seat is provided with a fixing seat, the inner side of the fixing seat is provided with a clamping block, the inner thread of the fixing seat is connected with a fixing bolt, the inner end of the fixing bolt is rotatably connected with the clamping block, the inner side of the clamping block is provided with a rubber pad, and the rotation of the fixing bolt can control the clamping block Away from the fixed seat to clamp the armrest frame or close to the fixed seat to release the armrest frame, the clamping block and the fixed seat are matched by a guiding mechanism, the armrest frame on one side of the forehead is covered with a table board, and the table board is provided with a mounting plate. The armrest frame is arranged through the installation hole, the table plate is provided with a receiving groove, the receiving groove is provided with a stretching plate, the inner walls of the front and rear sides of the table plate are provided with guide grooves, and the front and rear sides of the stretching plate are provided with guide grooves. The pin, the guide pin is arranged in the guide groove, the lower part of the stretching plate is provided with a support groove, the support groove is semi-circular, and the diameter of the support groove is adapted to the diameter of the handrail frame.

Preferably, the upper left side of the accommodating slot is provided with an embedded portion, the upper right side of the stretch plate is provided with a snap portion, the left end of the table board is provided with a protruding portion, and the junction between the top of the stretch board and the snap portion is provided with a splicing surface. After the extension board is spliced with the table board, the left end of the protruding part abuts on the splicing surface. The left end of the stretch plate is provided with a handle.

Preferably, the bed foot plate lifting mechanism includes a screw nut block, a sliding rod, a guide rail, a guide block, a support arm and an ear plate. At the bottom of the frame, the guide block can move along the length direction of the guide rail. Several support arms are rotatably arranged on the sliding rod. The other end of the support arm is hinged with a lug plate. , The ear plate of the headboard lifting mechanism is connected with the bottom surface of the bed footboard. The headboard lifting mechanism has the same structure as the footboard lifting mechanism. The screw nut block of the headboard lifting mechanism is installed on the second screw rod. The headboard lifting mechanism The lugs are attached to the underside of the headboard.

Preferably, a guide groove is provided at the bottom of the bed frame, and a gear positioning mechanism that can move along its length direction is installed on the guide groove. The gear positioning mechanism and the mounting seat are connected by a connecting frame. The upper part of the support block is provided with an insertion seat, a support rod is inserted into the insertion seat, the support rod is fixed on the insertion seat by fixing bolts, and the end of the support rod close to the second transmission gear is connected with an insertion plate, and the insertion plate is fixed and inserted There are several fixing pins, the right part of the fixing pins is conical, the arrangement of the fixing pins matches the tooth slots of the second transmission gear, and the fixing pins can be inserted between two adjacent gear teeth of the second transmission gear.

Preferably, the bearing mechanism includes a bearing seat, a bottom bearing part is arranged in the middle of the upper part of the bearing seat, the upper part of the bearing seat is slotted on both sides of the bottom bearing part, a third screw rod is rotated in the groove, and a third screw rod is arranged on the third screw rod. There is a movable block, a connection block is installed on the movable block, and a side bearing part is fixed on the connection block. One end passing through the slot is connected with a screw gear, and a drive handle is rotatably arranged on the bearing seat at the position below the third screw rod. The drive handle is provided with a drive gear. A ratchet wheel is connected with one end of the drive handle, a ratchet pawl adjusting handle is arranged under the driving handle, the inner end of the ratchet pawl adjusting handle is connected with a ratchet pawl, and the ratchet pawl is matched with the ratchet wheel.

Preferably, the transmission mechanism includes a third transmission shaft, a third transmission gear installed on the speed change shaft, a fourth transmission gear installed on the second screw rod, and a sixth transmission gear and a fifth transmission gear are installed on the third transmission shaft gears, the fifth transmission gear meshes with the third transmission gear, and the sixth transmission gear meshes with the fourth transmission gear.

Preferably, four corners of the lower part of the bed frame are provided with storage grooves, and a roller mechanism is installed in the storage groove. The roller mechanism can be rotated out of the storage groove to support the movement of the bed frame when in use. Transfer to the storage slot for storage.

Preferably, a center rod is provided in the receiving groove, the roller mechanism includes a roller seat rotatably arranged on the center rod, a roller is installed on the roller seat, a third spring and a fourth spring are sleeved on the center rod, and the third spring is located in the storage Between the top wall of the groove and the roller seat, the fourth spring is located between the roller seat and the bottom of the storage groove, the upper end of the third spring is connected with a baffle plate, and also includes an adjustment block, which can be sleeved on the center rod to be stuck in the storage tank. between the top wall of the tank and the baffle.

Compared with the prior art, the beneficial effect of the present invention is: the diameters of the first speed change gear and the second speed change gear are different, so that the rotational speeds of the first butt gear set and the second abutment gear set driven respectively are different, and by adjusting the speed change shaft The driven clutch block above is respectively engaged with the first docking gear set or the second docking gear set, which can control the rotation of the speed change shaft, and then adjust the rotation of the second screw rod, so as to adjust the rotation speed of the headboard. For ordinary patients, make the driven clutch block cooperate with the second docking gear set to control the headboard to rotate and lift at a normal speed; for patients with physical discomfort, make the driven clutch block cooperate with the first docking gear set to control the headboard. Turn the lift at a slower speed.

The lift of the patient's legs is less than the lift of the upper body. After the footboard is rotated to an appropriate position, the first drive shaft is driven to move by the first hydraulic cylinder, so that the first driven bevel gear is disengaged from the driving bevel gear. At this time, the first transmission gear is also disengaged from the engagement with the second transmission gear, so that the rotation of the first screw rod is stopped, and the footboard lifting mechanism limits the footboard at this position. At this time, the second driven bevel gear is still meshed with the driving bevel gear, and continues to drive the headboard to rotate through the headboard lifting mechanism, and the headboard is rotated to an appropriate position and then stopped.

When the stretching board is pulled out from the accommodating groove or received into the accommodating groove, the guide pins move in the guide groove, so that the stretching board moves along the set trajectory, and the splicing with the table board or the table board is completed. break away.

Description of drawings

Fig. 1 is the structural representation of the present invention;

Fig. 2 is the enlarged schematic diagram of A place in Fig. 1;

Fig. 3 is the structural schematic diagram after the table board and the tensile board are spliced in the present invention;

Fig. 4 is the structural representation of the table board in the invention;

Figure 5 is a schematic diagram of the structure of the stretched plate in the invention

Fig. 6 is the structural representation of the bed plate in the present invention;

Fig. 7 is the top view of the bed frame in the present invention;

FIG. 8 is a schematic structural diagram of the first docking gear set and the second docking gear set in the present invention;

FIG. 9 is a cross-sectional view of the first butting gear set and the second abutting gear set in the present invention;

10 is a schematic structural diagram of the footboard lifting mechanism and the headboard lifting mechanism in the present invention;

Figure 11 is a schematic structural diagram of the bearing mechanism in the present invention;

Fig. 12 is the enlarged schematic diagram of the place A in Fig. 10;

Figure 13 is a schematic structural diagram of the gear positioning mechanism in the present invention;

Figure 14 is a schematic diagram of the roller mechanism in use in the present invention;

FIG. 15 is a schematic diagram of the roller mechanism of the present invention when it is stored.

Detailed ways

The embodiments of the present invention will be described in detail below with reference to the accompanying drawings 1-15.

A diagnosis and treatment bed for medical and internal medicine rehabilitation includes a bed frame 1, a bed board placed above the bed frame 1, and an armrest frame mechanism 4 arranged on the side of the bed frame 1. The bed frame 1 includes a middle board 69 and a middle board 69. The headboard 68 and the footboard 70 are provided. The bed frame 1 is provided with a headboard lifting mechanism 48 and a footboard lifting mechanism 34 that can drive the headboard 68 and the footboard 70 to rotate respectively. The bottom of the bed frame 1 is provided with a drive motor 23 , the drive motor 23 is drivingly connected with the drive shaft 24, the front end of the drive shaft 24 is connected with the driving bevel gear 25, the bed frame 1 is provided with a first transmission shaft 26 and a second transmission shaft 39, the first transmission shaft 26 and the second transmission shaft One end of 39 is respectively connected with the first driven bevel gear 27 and the 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, and the first transmission shaft 26 A first transmission gear 30 is installed on it, a first hydraulic cylinder 31 is arranged at the bottom of the bed frame 1, a mounting seat 29 is connected to the front end of the piston rod of the first hydraulic cylinder 31, the first transmission shaft 26 is rotatably connected to the mounting seat 29, and the bed end plate A first screw rod 32 is arranged below the 70 , a second transmission gear 33 is installed on the first screw rod 32 , the second transmission gear 33 meshes with the first transmission gear 30 , and the footboard lifting mechanism 34 is installed on the first screw rod 32 , the second transmission shaft 39 is provided with a first transmission gear 40 and a second transmission gear 41, the bottom of the bed frame 1 is provided with a transmission shaft 44 parallel to the second transmission shaft 39, and a driven clutch block is installed on the transmission shaft 44 45. The transmission shaft 44 is sleeved with a first abutting gear set 42 and a second abutting gear set 43, and the first abutting gear set 42 and the second abutting gear set 43 are in phase with the first transmission gear 40 and the second transmission gear 41 respectively. Meshing, the driven clutch block 45 is located between the first docking gear set 42 and the second docking gear set 43, the bottom of the bed frame 1 is also provided with a second hydraulic cylinder 89, the front end of the piston rod of the second hydraulic cylinder 89 is connected to the transmission shaft 44 Rotationally connected, the second hydraulic cylinder 89 can drive the shifting shaft 44 to move so that the driven clutch block 45 meshes with the first abutting gear set 42 or the second abutting gear set 43, respectively, and a second screw rod 47 is provided under 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 mounted on the second screw rod 47; , an outer bearing 50 is sleeved on the support seat 49, a gear ring 92 is installed on the outer bearing 50, and a rotating clutch block 51 is installed on the side of the gear ring 92 away from the support seat 49, and the shape of the rotating clutch block 51 is the same as that of the driven clutch block. 45 is adapted to the shape, the support base 49 is embedded with an inner bearing 90, the speed change shaft 44 is arranged through the inner bearing 90 and can rotate or move in the inner bearing 90, the bottom of the bed frame 1 is provided with several bearing mechanisms 28, A transmission shaft 26 and a transmission shaft 44 are respectively rotatably disposed within the bearing mechanism 28 .

When the shape of the bed plate needs to be adjusted, the driving motor 23 drives the driving bevel gear 25 to rotate through the driving shaft 24, and the driving bevel gear 25 drives the meshed first driven bevel gear 27 and the second driven bevel gear 38 to rotate, and the first driven bevel gear 25 rotates. The gear 27 drives the mounting seat 29 to rotate through the first transmission shaft 26, and the mounting seat 29 drives the first screw rod 32 to rotate through the meshed second transmission gear 33, thereby driving the bed end plate 70 to rotate through the bed end plate lifting mechanism 34 to move up and down; The two driven bevel gears 38 drive the second transmission shaft 39 to rotate, and the first transmission gear 40 and the second transmission gear 41 on the second transmission shaft 39 respectively drive the meshed first abutting gear set 42 and second abutting gear set 43 to rotate , the second hydraulic cylinder 89 drives the shifting shaft 44 to move so that the driven clutch block 45 engages with the rotating clutch block 51 on the first butt gear set 42 or the second abutment gear set 43 respectively, so that the first butt gear set 42 or the second The second butt gear set 43 drives the speed change shaft 44 to rotate through the driven clutch block 45 , and the speed change shaft 44 drives the second screw 47 to rotate through the transmission mechanism 46 , thereby driving the headboard 68 to rotate through the headboard lifting mechanism 48 to lift.

Wherein, the diameters of the first speed change gear 40 and the second speed change gear 41 are different, so that the rotational speeds of the first butt gear set 42 and the second abutment gear set 43 driven respectively are different. By adjusting the driven clutch block 45 on the speed change shaft 44 By engaging with the first docking gear set 42 or the second docking gear set 43 respectively, the rotation of the speed change shaft 44 can be controlled, and then the rotation of the second screw rod 47 can be adjusted, thereby the rotation speed of the headboard 68 can be adjusted. For ordinary patients, make the driven clutch block 45 cooperate with the second docking gear set 43 to control the headboard 68 to rotate and lift at a normal speed; for patients with physical discomfort, make the driven clutch block 45 cooperate with the first docking gear set 42 , control the headboard 68 to rotate and lift at a slower speed.

Generally, the lifting of the patient's legs is less than the lifting of the upper body. After the footboard 70 is rotated to an appropriate position, the first transmission shaft 26 is driven to move by the first hydraulic cylinder 31, so that the first driven bevel gear 27 is disengaged from the When the driving bevel gear 25 is engaged, the first transmission gear 30 is also disengaged from the engagement with the second transmission gear 33, so that the first screw rod 32 stops rotating, and the footboard lifting mechanism 34 limits the footboard 70 to this position. At this time, the second driven bevel gear 38 is still engaged with the driving bevel gear 25, and continues to drive the headboard 68 to rotate through the headboard lifting mechanism 48, and the headboard 68 is rotated to an appropriate position and then stopped.

The armrest frame mechanism 4 includes two rotating bases 6 arranged on the same side of the bed frame 1. An armrest frame 7 is rotatably arranged in the rotating base 6, and the armrest frame 7 is U-shaped. The upper part of the rotating base 6 is provided with a fixed base 8. The fixed base The inner side of the 8 is provided with a clamping block 9, the inner thread of the fixing base 8 is connected with a fixing bolt 11, the inner end of the fixing bolt 11 is rotatably connected with the clamping block 9, and the inner side of the clamping block 9 is provided with a rubber pad 10, and rotating the fixing bolt 11 can control the clamping block 9 Away from the fixed seat 8 to clamp the armrest frame 7 or close to the fixed seat 8 to release the armrest frame 7, the clamping block 9 and the fixed seat 8 are matched by a guiding mechanism, and the armrest frame 7 on one side of the forehead is sleeved with a table board 5. The table board 5 is provided with an installation hole 20, the armrest frame 7 is arranged through the installation hole 20, the table board 5 is provided with a receiving groove 12, the holding groove 12 is provided with a stretching plate 13, and the inner walls of the front and rear sides of the table board 5 are provided. A guide groove 14 is provided on the upper part, a guide pin 15 is provided on the front and rear sides of the stretching plate 13, the guide pin 15 is arranged in the guide groove 14, and a supporting groove 21 is provided on the lower part of the stretching plate 13, and the supporting groove 21 is semicircular. Its diameter is adapted to the diameter of the armrest frame 7 .

The upper left side of the accommodating slot 12 is provided with an embedded portion 16 , the upper right portion of the stretch plate 13 is provided with an engaging portion 18 , the left end of the table board 5 is provided with a protruding portion 17 , and the connection between the top of the stretching plate 13 and the engaging portion 18 is provided. There is a splicing surface 19 . After the stretching plate 13 is spliced with the table board 5 , the left end of the protrusion 17 abuts on the splicing surface 19 . The left end of the stretch plate 13 is provided with a handle 22 .

The guide groove 14 includes a horizontal section and an inclined section toward the upper left, and the leftward movement and the upward movement are completed while the stretching plate 13 is pulled outward from the receiving groove 12 .

When the stretching plate 13 is pulled out from the accommodating groove 12 or the stretching plate 13 is received into the accommodating groove 12, the guide pin 15 moves in the guiding groove 14, so that the stretching plate 13 moves along the set trajectory, and the table is completed. The splicing of the board 5 or the separation from the table board 5. Both the embedded portion 16 and the engaging portion 18 are inwardly concave structures, so as to form a space for the tensile plate 13 to rise.

When in use, turn the table board 5 over the bed board, and pull out the stretch board 13 from the accommodating slot 12 through the handle 22 until the embedded part 16 and the engaging part 18 are attached, and the protruding part 17 is attached to the splicing surface 19, so that the The upper end surface of the stretching plate 13 is flush with the upper end surface of the table board 5 , and the two are spliced together into a whole. The embedded portion 16 abuts on the engaging portion 18, which can block the downward rotation of the table board 5, so that the positions of the stretching board 13 and the table board 5 are fixed for use by people.

The footboard lifting mechanism 34 includes a screw 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 nut block 71, and the lower part of the sliding rod 72 is provided with several The guide block 74, the guide rail 73 is arranged at the bottom of the bed frame 1, the guide block 74 can move along the length direction of the guide rail 73, the sliding rod 72 is rotatably provided with a number of support arms 75, and the other end of the support arm 75 is hinged with an ear plate 76, The screw nut block 71 of the footboard lifting mechanism 34 is installed on the first screw rod 32 , the ear plate 76 of the bed footboard lifting mechanism 34 is connected to the bottom surface of the bed footboard 70 , and the headboard lifting mechanism 48 has the same structure as the footboard lifting mechanism 34 . , the screw nut block 71 of the headboard lifting mechanism 48 is installed on the second screw rod 47 , and the ear plate 76 of the headboard lifting mechanism 48 is connected to the bottom surface of the headboard 68 .

The bottom of the bed frame 1 is provided with a guide groove 36 on which a gear positioning mechanism 37 that can move along its length is installed. The gear positioning mechanism 37 and the mounting seat 29 are connected by a connecting frame 35. The gear positioning mechanism 37 includes The support block 63 is arranged on the guide groove 36, the upper part of the support block 63 is provided with an insertion seat 64, a support rod 65 is inserted into the insertion seat 64, the support rod 65 is fixed on the insertion seat 64 by fixing bolts, and the support rod 65 is close to the second One end of the transmission gear 33 is connected with an insertion plate 66 , a plurality of fixing pins 67 are fixedly inserted on the insertion plate 66 , the right part of the fixing pins 67 is conical, and the arrangement of the fixing pins 67 matches the tooth slot of the second transmission gear 33 . , the fixing pin 67 can be inserted between two adjacent gear teeth of the second transmission gear 33 .

The first hydraulic cylinder 31 drives the first transmission gear 30 to disengage from the engagement with the second transmission gear 33 , the mounting base 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 slot of the second transmission gear 33 , The second transmission gear 33 is fixed to prevent the second transmission gear 33 from rotating. In this way, the first screw rod 32 is fixed, so that the position of the bed end plate 70 is fixed. Secondly, when the first hydraulic cylinder 31 drives the first transmission gear 30 to move, it can be easily meshed with the second transmission gear 33 to prevent The gear teeth are misaligned and cannot be aligned.

The bearing mechanism 28 includes a bearing seat 52. A bottom bearing portion 53 is provided in the middle position of the upper portion of the bearing seat 52. The upper portion of the bearing seat 52 is slotted on both sides of the bottom bearing portion 53, and a third screw rod 56 is rotated in the groove. A movable block 91 is provided on the screw rod 56, a connecting block 54 is installed on the movable block 91, and a side bearing portion 55 is fixed on the connecting block 54. A bearing that rotates or moves with the speed change shaft 44, the third screw 56 is connected with a screw gear 57 at one end of the groove, and a drive handle 58 is provided on the bearing seat 52 at a position below the third screw 56, and the drive handle 58 There is a driving gear 59 on it, the driving gear 59 meshes with the screw gear 57, the end of the driving handle 58 away from the driving gear 59 is connected with a ratchet 60, and a pawl adjusting handle 62 is arranged below the driving handle 58. A pawl 61 is connected to the end, and the pawl 61 cooperates with the ratchet wheel 60 .

The driving handle 58 drives the driving gear 59 to rotate, and the driving gear 59 drives the third screw 56 to rotate through the screw gear 57, so that the connecting block 54 drives the side bearing portion 55 to move inward, and is spliced with the bottom bearing portion 53 for the first Bearings for the rotation or movement of the drive shaft 26 and the shift shaft 44 . The arrangement of the ratchet wheel 60 and the pawl 61 can prevent the drive handle 58 from being reversed, thereby limiting the position of the side bearing portion 55, making the rotation of the first transmission shaft 26 and the speed change shaft 44 more stable and avoiding shaking. The structural design of the bearing mechanism 28 makes it easy to take out the first transmission shaft 26 and the speed change shaft 44 for replacement or maintenance.

The transmission mechanism 46 includes a third transmission shaft 85 , a third transmission gear 84 installed on the speed change shaft 44 , a fourth transmission gear 88 installed on the second screw rod 47 , and a sixth transmission gear is installed on the third transmission shaft 85 87 and the fifth transmission gear 86, the fifth transmission gear 86 meshes with the third transmission gear 84, and the sixth transmission gear 87 meshes with the fourth transmission gear 88.

The width of the third transmission gear 84 is greater than the width of the fifth transmission gear 86 plus the moving range of the speed change shaft 44 , so that the third transmission gear 84 is always in meshing state with the fifth transmission gear 86 during the movement.

The four corners of the lower part of the bed frame 1 are provided with storage slots 2, and a roller mechanism 3 is installed in the storage slot 2. The roller mechanism 3 can be turned out from the storage slot 2 to support the movement of the bed frame 1 during use. The roller mechanism 3 When not in use, it can be transferred into the storage slot 2 for storage. A center rod 77 is arranged in the receiving slot 2, and the roller mechanism 3 includes a roller seat 78 rotatably arranged on the center rod 77, a roller 83 is installed on the roller seat 78, and a third spring 79 and a fourth spring are sleeved on the center rod 77 80, the third spring 79 is located between the top wall of the receiving groove 2 and the roller seat 78, the fourth spring 80 is located between the roller seat 78 and the bottom of the receiving groove 2, the upper end of the third spring 79 is connected with a baffle plate 81, and also includes The adjusting block 82 can be sleeved on the central rod 77 so as to be clamped between the top wall of the receiving slot 2 and the baffle plate 81 .

When the roller mechanism 3 is not used, it is stored in the storage tank 2 to reduce the space occupation. When the roller mechanism 3 needs to be used, the roller seat 78 is rotated on the central rod 77, after the roller seat 78 is rotated by 180 degrees, the roller 83 is separated from the storage slot 2, and the adjusting block 82 is snapped into the baffle plate 81 and the storage slot. 2 on the central rod 77 between the top walls, thereby compressing the third spring 79 and the fourth spring 80, so that the roller 83 descends and contacts the ground, which can push the bed to move.

The above are only the preferred embodiments of the present invention, and the protection scope of the present invention is not limited to the above-mentioned embodiments, and all technical solutions under the idea of the present invention belong to the protection scope of the present invention. It should be pointed out that for those skilled in the art, some improvements and modifications without departing from the principle of the present invention should also be regarded as the protection scope of the present invention.

Claims (8)

1. The utility model provides a bed is diagnose with recovered of medical internal medicine which 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 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 fixing seat (8) in a threaded mode, the inner end of the fixing bolt (11) is connected with the clamping block (9) in a rotating mode, a rubber pad (10) is arranged on the inner side of the clamping block (9), the fixing block (9) can be controlled to be far away from the fixing seat (8) through the rotating fixing bolt (11), the armrest frame (7) is clamped or close to the fixing seat (8), the armrest frame (7) is loosened through the armrest frame (7), the clamping block (9) is matched with, be equipped with mounting hole (20) on table (5), handrail frame (7) pass mounting hole (20) and set up, be equipped with holding tank (12) in table (5), be provided with tensile board (13) in holding tank (12), guiding groove (14) have been seted up on the inner wall of table (5) front and back side, side is equipped with guide pin post (15) around tensile board (13), guide pin post (15) set up in guiding groove (14), tensile board (13) lower part is equipped with supports groove (21), support groove (21) are semi-circular, the diameter looks adaptation of its diameter and handrail frame (7).

2. The medical internal medicine rehabilitation diagnosis and treatment bed according to claim 1, characterized in that: holding tank (12) left side upper portion is equipped with embedding portion (16), tensile board (13) right side upper portion is equipped with block portion (18), table (5) left end is equipped with protruding portion (17), the junction of tensile board (13) top and block portion (18) is equipped with concatenation face (19), after tensile board (13) and table (5) concatenation, protruding portion (17) left end supports on concatenation face (19), tensile board (13) left end is equipped with handle (22).

3. The medical internal medicine rehabilitation diagnosis and treatment bed according to claim 1, characterized in that: 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), the screw rod nut block (71) of the headboard lifting mechanism (48) is arranged on the second screw rod (47), and the ear plate (76) of the headboard lifting mechanism (48) is connected with the bottom surface of the headboard (68).

4. The medical internal medicine rehabilitation diagnosis and treatment bed according to claim 1, characterized in that: 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.

5. The medical internal medicine rehabilitation diagnosis and treatment bed according to claim 1, characterized in that: 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).

6. The medical internal medicine rehabilitation diagnosis and treatment bed according to claim 1, characterized in that: 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).

7. The medical internal medicine rehabilitation diagnosis and treatment bed according to claim 1, characterized in that: 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. The medical internal medicine rehabilitation diagnosis and treatment bed according to claim 7, characterized in that: 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).

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