CN110812037A

CN110812037A - Medical sickbed with angle-changeable bed board

Info

Publication number: CN110812037A
Application number: CN201911360748.1A
Authority: CN
Inventors: 方流升
Original assignee: Zibo Hairui Medical Devices Co Ltd
Current assignee: Yang Hongwei
Priority date: 2019-12-25
Filing date: 2019-12-25
Publication date: 2020-02-21
Anticipated expiration: 2039-12-25
Also published as: CN110812037B

Abstract

The invention discloses a medical sickbed capable of changing the angle of a bed board, which comprises a bed body, wherein an adjusting cavity is arranged in the bed body, a support lifting cavity communicated with the adjusting cavity is arranged on the inner wall of the right side of the adjusting cavity, a support lifting mechanism is arranged in the support lifting cavity, the support lifting mechanism comprises a rack which is slidably connected to the inner wall of the right side of the support lifting cavity, and a connecting rod fixedly arranged at the upper end of the rack, an angle adjusting plate is adopted in the sickbed, when a first sliding block moves left and right, the angle adjusting plate is driven by a hinge rod and a fixed block in sequence to change the angle of the bed position, so that a plurality of patients can conveniently transfer among different sickbeds, the rack is adopted, the rack is driven by first gears in different directions to move up and down, and then a hanging bottle hook is driven by the connecting rod to, the up-and-down movement of the bed board and the up-and-down movement of the sickbed are realized through the rotation of the third rotating shaft in different directions.

Description

Medical sickbed with angle-changeable bed board

Technical Field

The invention relates to the technical field of medical supplies, in particular to a medical sickbed with a changeable angle of a bed board.

Background

The medical sickbed can also be called a medical bed, a nursing bed and the like, is used when a patient is in hospital, and is mainly used in various hospitals, village and town health hospitals, community health service centers and the like. At present, most medical sickbeds cannot adjust the angle of a bed board, a lot of patients have great difficulty when the sickbeds are transferred, and a lot of sickbeds do not have infusion bottle supports, so that extra personnel are needed to lift infusion bottles in emergency situations, and certain potential safety hazards exist.

Disclosure of Invention

The invention aims to provide a medical sickbed with a changeable angle of a bed board, which is used for overcoming the defects in the prior art.

The medical sickbed capable of changing the angle of the bed board comprises a bed position shell, wherein an adjusting cavity is arranged in the bed position shell, a support lifting cavity communicated with the adjusting cavity is arranged on the inner wall of the right side of the adjusting cavity, a support lifting mechanism is arranged in the support lifting cavity, the support lifting mechanism comprises a rack which is connected to the inner wall of the right side of the support lifting cavity in a sliding manner, a connecting rod fixedly arranged at the upper end of the rack, and a transfusion bottle hook fixedly arranged at the lower end of the connecting rod close to the left side, an angle changing assembly is arranged on the inner wall of the rear side of the adjusting cavity, the angle changing assembly comprises a first sliding block which is arranged on the inner wall of the rear side of the adjusting cavity and can slide left and right, an angle adjusting plate hinged on the inner wall of the left side of the adjusting cavity, a fixed block fixedly arranged at the lower end, the upper end is equipped with a bed lifting mechanism, bed lifting mechanism is including locating the bed board of angle modulation board upper end, locating spout in the bed board, set firmly in angle modulation board upper end and with spout sliding connection's second slider, it is equipped with the transmission control subassembly to adjust the intracavity.

Preferably, it has set firmly the motor to adjust chamber downside inner wall, motor upper end power is connected with first transmission shaft, it is connected with in the rotation of chamber downside inner wall to adjust the second transmission shaft that chamber right side inner wall is close to, the last first band pulley that has set firmly of second transmission shaft, it is connected with and is located to adjust chamber downside inner wall the left third transmission shaft of second transmission shaft, the last second band pulley that has set firmly of third transmission shaft, the second band pulley with be connected with first belt between the first band pulley.

Preferably, the lower end of the bed shell is connected with wheels in a left-right symmetrical matching manner.

Wherein the bracket lifting mechanism also comprises a first bevel gear which is fixedly arranged on the second transmission shaft and is arranged at the upper side of the first belt pulley, a fixed bracket is fixedly arranged on the inner wall of the rear side of the adjusting cavity, which is close to the inner wall of the right side of the adjusting cavity, a fourth transmission shaft extending left and right is rotatably connected to the fixed bracket, a second bevel gear meshed with the first bevel gear is fixedly arranged on the fourth transmission shaft positioned on the left side of the fixed bracket, a third bevel gear is fixedly arranged on the fourth transmission shaft positioned on the right side of the fixed bracket, a fifth transmission shaft is rotatably connected with the inner wall of the rear side of the bracket lifting cavity, a fourth bevel gear in meshed connection with the third bevel gear is fixedly arranged on the fifth transmission shaft, and a first gear which is positioned at the rear side of the fourth bevel gear and is meshed and connected with the toothed part of the rack is fixedly arranged on the fifth transmission shaft.

The angle changing assembly further comprises a first rotating shaft which is rotatably connected to the inner wall of the right side of the adjusting cavity and extends leftwards, and the threaded portion of the first rotating shaft is in threaded connection with the threaded portion of the first sliding block.

Wherein, bed elevating system still including set firmly in adjust on the chamber left side inner wall and right extend about to the support, it is connected with the second pivot to rotate to support upper end about, set firmly in terminal fixed ball in second pivot upper end, both ends are equipped with the adjustment tank on the fixed ball symmetrically, the cooperation is connected with the regulation claw on the adjustment tank, just the adjustment tank is allowable the regulation claw is adjusted in certain angle, rotate on the angle adjustment board and be connected with the third pivot that extends from top to bottom, just third pivot lower extreme terminal with first transmission shaft fixed connection, be equipped with the bed board screw thread in the spout, just the bed board screw thread with third pivot screw thread portion threaded connection.

Wherein, the transmission control component comprises a control shell which is fixedly arranged on the inner wall of the left side of the adjusting cavity and is positioned on the lower side of the left and right brackets, a control cavity is arranged in the control shell, an electromagnet is fixedly arranged on the inner wall of the left side of the control cavity, a third slide block which can slide left and right is arranged on the inner wall of the control cavity, a first spring is connected between the third slide block and the electromagnet, a fourth rotating shaft which extends up and down is rotatably connected on the third slide block, a second gear is fixedly arranged on the fourth rotating shaft which is positioned on the lower side of the third slide block, a third gear which is positioned on the lower side of the second belt wheel and can be meshed with the second gear is fixedly arranged on the third transmission shaft, a third belt wheel is fixedly arranged on the fourth rotating shaft which is positioned on the upper side of the third slide block, a fourth belt wheel is fixedly arranged on the first transmission shaft, and a second belt is, the first transmission shaft is rotatably connected with an adjusting rod which is positioned at the lower side of the fourth belt pulley and is abutted with the inner ring of the second belt pulley, a second spring is connected between the adjusting rod and the inner wall of the rear side of the adjusting cavity, a fifth bevel gear positioned on the upper side of the third belt wheel is fixedly arranged on the fourth rotating shaft, a sixth bevel gear which can be in meshed connection with the fifth bevel gear is fixedly arranged on the fifth rotating shaft, a horizontal bracket positioned on the upper side of the fifth bevel gear is fixedly arranged on the inner wall of the rear side of the adjusting cavity, the left end of the horizontal bracket is rotationally connected with a sixth rotating shaft, a seventh bevel gear which can be meshed and connected with the fifth bevel gear is fixedly arranged on the sixth rotating shaft, an eighth bevel gear positioned on the left side of the seventh bevel gear is fixedly arranged on the sixth rotating shaft, and a ninth bevel gear in meshed connection with the eighth bevel gear is fixedly arranged on the second rotating shaft.

The invention has the beneficial effects that: according to the invention, the angle adjusting plate is adopted, when the first sliding block moves left and right, the angle adjusting plate is driven by the hinge rod and the fixed block in sequence to change the angle of the bed position, so that the transfer of some patients among different sickbeds is facilitated, the rack is driven by the first gears in different directions to move up and down, and the connecting rod drives the transfusion bottle hook to move up and down, so that the transfusion bottle is installed, the bed board is adopted, and the bed board can move up and down and the sickbeds can move up and down by the rotation of the third rotating shaft in different directions.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic view of the overall structure of a medical sickbed with a changeable angle of a bed board according to the present invention;

FIG. 2 is a schematic enlarged view of the structure of "A" of FIG. 1;

FIG. 3 is a schematic enlarged view of the structure of "B" of FIG. 1;

FIG. 4 is a schematic view of the structure in the "C-C" direction of FIG. 2;

fig. 5 is a schematic view of the structure in the direction "D-D" of fig. 3.

Detailed Description

The invention will now be described in detail with reference to fig. 1-5, for convenience of description, the following orientations will now be defined: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.

Referring to fig. 1 to 5, the medical sickbed capable of changing the angle of the bed board according to the embodiment of the invention comprises a bed housing 11, an adjusting chamber 12 is arranged in the bed housing 11, a support lifting chamber 27 communicated with the adjusting chamber 12 is arranged on the inner wall of the right side of the adjusting chamber 12, a support lifting mechanism 901 is arranged in the support lifting chamber 27, the support lifting mechanism 901 comprises a rack 25 slidably connected to the inner wall of the right side of the support lifting chamber 27, a connecting rod 24 fixedly arranged at the upper end of the rack 25, and a transfusion bottle hook 23 fixedly arranged at the lower end of the connecting rod 24 close to the left side, the height of the transfusion bottle hook 23 is changed by the sliding of the rack 25 on the inner wall of the right side of the support lifting chamber 27, an angle changing component 902 is arranged on the inner wall of the rear side of the adjusting chamber 12, and the angle changing component 902 comprises a first slide block 16 which is arranged on the inner wall of the rear, An angle adjusting plate 18 hinged on the inner wall of the left side of the adjusting cavity 12, a fixed block 67 fixedly arranged at the lower end of the angle adjusting plate 18, a hinge rod 17 hinged at the front end of the fixed block 67 and the front end of the first slide block 16, when the first sliding block 16 slides left and right, the angle adjusting plate 18 is driven to change the angle through the hinge rod 17 and the fixing block 67, the upper end is provided with a bed lifting mechanism 903, the bed lifting mechanism 903 comprises a bed plate 22 arranged at the upper end of the angle adjusting plate 18, a sliding groove 20 arranged in the bed plate 22, and a second sliding block 21 fixedly arranged at the upper end of the angle adjusting plate 18 and connected with the sliding groove 20 in a sliding manner, the bed board 22 slides up and down on the second slide block 21 through the slide groove 20, so as to realize the lifting of the bed, and a transmission control component 904 capable of controlling the motion of each component is arranged in the adjusting cavity 12.

Beneficially, a motor 34 is fixedly arranged on the inner wall of the lower side of the adjusting cavity 12, a first transmission shaft 35 is dynamically connected to the upper end of the motor 34, a second transmission shaft 31 close to the inner wall of the right side of the adjusting cavity 12 is rotatably connected to the inner wall of the lower side of the adjusting cavity 12, a first belt pulley 32 is fixedly arranged on the second transmission shaft 31, a third transmission shaft 50 located on the left side of the second transmission shaft 31 is rotatably connected to the inner wall of the lower side of the adjusting cavity 12, a second belt pulley 49 is fixedly arranged on the third transmission shaft 50, and a first belt 29 is connected between the second belt pulley 49 and the first belt pulley 32.

Advantageously, wheels 30 are fittingly connected to the lower end of the bed housing 11 in a left-right symmetrical manner for transferring a hospital bed for medical use.

According to the embodiment, the support lifting mechanism 901 will be described in detail below, the support lifting mechanism 901 further includes a first bevel gear 65 fixedly disposed on the second transmission shaft 31 and on the upper side of the first pulley 32, a fixed support 61 is fixedly disposed on the inner wall of the rear side of the adjustment chamber 12 near the inner wall of the right side of the adjustment chamber 12, a fourth transmission shaft 66 extending left and right is rotatably connected to the fixed support 61, a second bevel gear 68 engaged with the first bevel gear 65 is fixedly disposed on the fourth transmission shaft 66 on the left side of the fixed support 61, a third bevel gear 62 is fixedly disposed on the fourth transmission shaft 66 on the right side of the fixed support 61, a fifth transmission shaft 70 is rotatably connected to the inner wall of the rear side of the support lifting chamber 27, and a fourth bevel gear 64 engaged with the third bevel gear 62 is fixedly disposed on the fifth transmission shaft 70, the fifth transmission shaft 70 is fixedly provided with a first gear 63 which is positioned at the rear side of the fourth bevel gear 64 and is engaged with the toothed part of the rack 25.

According to an embodiment, the angle changing assembly 902 is described in detail below, the angle changing assembly 902 further includes a first rotating shaft 19 rotatably connected to the right inner wall of the adjusting cavity 12 and extending leftward, and a threaded portion of the first rotating shaft 19 is threadedly connected to a threaded portion of the first slider 16.

According to the embodiment, the following is explained in detail bed elevating system 903, bed elevating system 903 still including set firmly in adjust on the inner wall of 12 left sides of chamber and right extend about to support 57, it is connected with second pivot 58 to rotate to support 57 upper end about, set firmly in the terminal fixed ball 38 of second pivot 58 upper end, both ends are equipped with adjustment tank 60 symmetrically on fixed ball 38, the cooperation is connected with regulation claw 39 on adjustment tank 60, just adjustment tank 60 can allow regulation claw 39 is adjusted in certain angle, the third pivot 14 that extends from top to bottom is rotated and connected to angle adjustment plate 18, just third pivot 14 lower extreme end with first transmission shaft 35 fixed connection, be equipped with screw thread 13 in the spout 20, just bed board screw thread 13 with third pivot 14 screw thread part threaded connection.

According to the embodiment, the transmission control assembly 904 is described in detail below, the transmission control assembly 904 includes a control housing 54 fixedly disposed on the left inner wall of the adjusting chamber 12 and located below the left and right brackets 57, a control chamber 53 is disposed in the control housing 54, an electromagnet 55 is fixedly disposed on the left inner wall of the control chamber 53, a third slider 52 capable of sliding left and right is disposed on the inner wall of the control chamber 53, a first spring 56 is connected between the third slider 52 and the electromagnet 55, a fourth rotating shaft 48 extending up and down is rotatably connected to the third slider 52, a second gear 51 is fixedly disposed on the fourth rotating shaft 48 located below the third slider 52, a third gear 69 positioned below the second gear 49 and capable of meshing with the second gear 51 is fixedly disposed on the third transmission shaft 50, a third pulley 47 is fixedly disposed on the fourth rotating shaft 48 located above the third slider 52, a fourth belt pulley 26 is fixedly arranged on the first transmission shaft 35, a second belt 15 is connected between the fourth belt pulley 26 and the third belt pulley 47, an adjusting rod 37 which is positioned at the lower side of the fourth belt pulley 26 and is abutted against the inner ring of the second belt pulley 15 is rotatably connected to the first transmission shaft 35, a second spring 36 is connected between the adjusting rod 37 and the inner wall of the rear side of the adjusting cavity 12, a fifth bevel gear 46 which is positioned at the upper side of the third belt pulley 47 is fixedly arranged on the fourth rotating shaft 48, a sixth bevel gear 44 which is engaged with the fifth bevel gear 46 is fixedly arranged on the fifth rotating shaft 45, a horizontal bracket 43 which is positioned at the upper side of the fifth bevel gear 46 is fixedly arranged on the inner wall of the rear side of the adjusting cavity 12, a sixth rotating shaft 41 is rotatably connected to the left end of the horizontal bracket 43, and a seventh bevel gear 42 which is engaged with the fifth bevel gear 46 is fixedly arranged on the sixth rotating shaft 41, an eighth bevel gear 40 positioned on the left side of the seventh bevel gear 42 is fixedly arranged on the sixth rotating shaft 41, and a ninth bevel gear 59 in meshed connection with the eighth bevel gear 40 is fixedly arranged on the second rotating shaft 58.

In the initial state, the fifth bevel gear 46 is not in meshing connection with the sixth bevel gear 44, the fifth bevel gear 46 is not in meshing connection with the seventh bevel gear 42, the second gear 51 is in meshing connection with the third gear 69, the transfusion bottle hook 23 is located at the upper limit position, and the second spring 36 accumulates elastic potential energy.

When a hanging bottle needs to be hung, the motor 34 is started to rotate the first transmission shaft 35, the rotating first transmission shaft 35 sequentially passes through the fourth belt wheel 26, the second belt 15 and the third belt wheel 47 to drive the fourth rotating shaft 48 to rotate, the rotating fourth rotating shaft 48 sequentially passes through the second gear 51, the third gear 69 and the third transmission shaft 50 to drive the second belt wheel 49 to rotate, the first belt wheel 32 is driven to rotate through the transmission of the first belt 29, the fourth transmission shaft 66 is driven to rotate sequentially passes through the second transmission shaft 31, the first bevel gear 65 and the second bevel gear 68, the rotating fourth transmission shaft 66 sequentially passes through the third bevel gear 62, the fourth bevel gear 64, the fifth transmission shaft 70 and the first gear 63 to drive the fourth belt wheel 26 to move downwards, the downwards moving rack 25 drives the hanging bottle hook 23 to move downwards through the connecting rod 24, when the hanging bottle is hung on the hanging bottle hook 23, the motor 34 is started reversely, so that the transfusion bottle hook 23 moves upwards until reaching the upper limit position;

when the angle of the bed needs to be changed, the electromagnet 55 is electrified and has the same magnetism as the third slider 52, the electromagnet 55 with magnetism attracts the third slider 52 to move rightwards, the first spring 56 accumulates elastic potential energy, the tension of the second belt 15 is reduced at the moment, the second spring 36 releases the elastic potential energy to drive the adjusting rod 37 to rotate, so that the tension of the second belt 15 is restored to a proper value, the third slider 52 moving rightwards drives the second gear 51 to be not meshed with the third gear 69 through the fourth rotating shaft 48, the third slider 52 moving rightwards drives the fifth bevel gear 46 to be meshed with the sixth bevel gear 44 through the fourth rotating shaft 48, the motor 34 is started to rotate the first transmission shaft 35, the first transmission shaft 35 rotates to sequentially pass through the fourth belt wheel 26, the second belt 15 and the third belt wheel 47 to drive the fourth rotating shaft 48 to rotate, and the fourth rotating shaft 48 rotates sequentially passes through the fifth bevel gear 46, The sixth bevel gear 44 drives the fifth rotating shaft 45 to rotate, the first sliding block 16 moves leftwards or rightwards through different rotating directions of the fifth rotating shaft 45, the first sliding block 16 moving leftwards and rightwards sequentially passes through the hinge rod 17 and the fixing block 67 to drive the angle adjusting plate 18 to change the angle, when the angle adjustment is finished, the motor 34 and the electromagnet 55 are turned off, the electromagnet 55 does not have magnetism any more, the first spring 56 releases elastic potential energy to drive the third sliding block 52 to move leftwards and reset, the sixth bevel gear 44 is not meshed with the fifth bevel gear 46, the control shell 54 is meshed with the third gear 69 again, the tension of the second belt 15 is increased, the second belt 15 drives the adjusting rod 37 to rotate, so that the tension of the second belt 15 is restored to be proper, and the second spring 36 accumulates elastic potential energy again;

when the height of the bed needs to be changed, the electromagnet 55 is energized and the magnetism of the electromagnet 55 is opposite to that of the third slider 52, at this time, the electromagnet 55 with magnetism attracts the third slider 52 to move leftwards, the first spring 56 accumulates elastic potential energy, at this time, the tension of the second belt 15 is increased, the second belt 15 drives the adjusting rod 37 to rotate, so that the tension of the second belt 15 is restored to a proper value, the second spring 36 accumulates elastic potential energy, the third slider 52 moving leftwards drives the second gear 51 to be not meshed with the third gear 69 through the fourth rotating shaft 48, the third slider 52 moving leftwards drives the fifth bevel gear 46 to be meshed with the seventh bevel gear 42 through the fourth rotating shaft 48, the motor 34 is started, the first transmission shaft 35 rotates, the rotating first transmission shaft 35 drives the fourth rotating shaft 48 to rotate through the fourth belt wheel 26, the second belt 15 and the third belt wheel 47 in sequence, the rotating fourth rotating shaft 48 drives the second rotating shaft 58 to rotate sequentially through a fifth bevel gear 46, a seventh bevel gear 42, a sixth rotating shaft 41, an eighth bevel gear 40 and a ninth bevel gear 59, the rotating second rotating shaft 58 drives the third rotating shaft 14 to rotate sequentially through the fixing ball 38, the adjusting groove 60 and the adjusting claw 39, the bedplate 22 is lifted or lowered on the second slide block 21 through different rotation directions of the third rotating shaft 14, after the height adjustment is finished, the motor 34 and the electromagnet 55 are turned off, the electromagnet 55 is no longer magnetic, the first spring 56 releases elastic potential energy to drive the third sliding block 52 to move rightwards and reset, the sixth bevel gear 44 is no longer in meshed connection with the fifth bevel gear 46, and the control housing 54 is engaged with the third gear 69 again, so that the tension of the second belt 15 is reduced, the second spring 36 releases elastic potential energy, and the adjusting rod 37 is driven to rotate, so that the tension of the second belt 15 is restored to a proper value.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. The utility model provides a can change sick bed for medical treatment of bed board angle, includes the bed position casing, be equipped with in the bed position casing and adjust the chamber, adjust the chamber right side inner wall be equipped with adjust the communicating support lift chamber in chamber, its characterized in that:

a support lifting mechanism is arranged in the support lifting cavity and comprises a rack which is connected to the inner wall of the right side of the support lifting cavity in a sliding manner, a connecting rod fixedly arranged at the upper end of the rack and a transfusion bottle hook fixedly arranged at the lower end of the connecting rod, which is close to the left side;

the inner wall of the rear side of the adjusting cavity is provided with an angle changing assembly, and the angle changing assembly comprises a first sliding block which is arranged on the inner wall of the rear side of the adjusting cavity and can slide left and right, an angle adjusting plate hinged to the inner wall of the left side of the adjusting cavity, a fixed block fixedly arranged at the lower end of the angle adjusting plate, and a hinge rod hinged to the front end of the fixed block and the front end of the first sliding block;

the upper end is equipped with a bed lifting mechanism, bed lifting mechanism is including locating the bed board of angle modulation board upper end, locating spout in the bed board, set firmly in angle modulation board upper end and with spout sliding connection's second slider, it is equipped with the transmission control subassembly to adjust the intracavity.

2. The medical sickbed capable of changing the angle of the bed board of claim 1, which is characterized in that: adjust chamber downside inner wall and set firmly the motor, motor upper end power is connected with first transmission shaft, it is connected with near to adjust chamber downside inner wall rotation adjust the second transmission shaft of chamber right side inner wall, the last first band pulley that has set firmly of second transmission shaft, it is connected with and is located to adjust chamber downside inner wall rotation the left third transmission shaft of second transmission shaft, the last second band pulley that has set firmly of third transmission shaft, the second band pulley with be connected with first belt between the first band pulley.

3. The medical sickbed capable of changing the angle of the bed board of claim 1, which is characterized in that: the lower end of the bed shell is connected with wheels in a left-right symmetrical matching manner.

4. The medical sickbed capable of changing the angle of the bed board as claimed in claim 2, wherein: the support lifting mechanism further comprises a first bevel gear fixedly arranged on the second transmission shaft and arranged on the upper side of the first belt wheel, a fixed support is fixedly arranged on the inner wall of the rear side of the adjusting cavity, which is close to the inner wall of the right side of the adjusting cavity, a fourth transmission shaft extending left and right is rotatably connected to the fixed support, a second bevel gear meshed with the first bevel gear is fixedly arranged on the fourth transmission shaft on the left side of the fixed support, a third bevel gear is fixedly arranged on the fourth transmission shaft on the right side of the fixed support, a fifth transmission shaft is rotatably connected to the inner wall of the rear side of the support lifting cavity, a fourth bevel gear meshed with the third bevel gear is fixedly arranged on the fifth transmission shaft, and a first gear meshed with the toothed part of the rack and arranged on the rear side of the fourth bevel gear is fixedly arranged on the fifth transmission shaft.

5. The medical sickbed capable of changing the angle of the bed board of claim 1, which is characterized in that: the angle changing assembly further comprises a first rotating shaft which is rotatably connected to the inner wall of the right side of the adjusting cavity and extends leftwards, and a threaded portion of the first rotating shaft is in threaded connection with a threaded portion of the first sliding block.

6. The medical sickbed capable of changing the angle of the bed board of claim 1, which is characterized in that: bed elevating system still including set firmly in adjust on the chamber left side inner wall and right extend about to the support, it is connected with the second pivot to rotate to support upper end about, set firmly in terminal fixed ball in second pivot upper end, both ends are equipped with the adjustment tank on the fixed ball symmetrically, the cooperation is connected with the regulation claw on the adjustment tank, just the adjustment tank can be allowed the regulation claw is adjusted in certain angle, rotate on the angle modulation board and be connected with the third pivot that extends from top to bottom, just third pivot lower extreme terminal with first transmission shaft fixed connection, be equipped with the bed board screw thread in the spout, just the bed board screw thread with third pivot screw thread portion threaded connection.

7. The medical sickbed capable of changing the angle of the bed board of claim 1, which is characterized in that: the transmission control assembly comprises a control shell which is fixedly arranged on the inner wall of the left side of the adjusting cavity and is positioned on the lower side of the left-right direction support, a control cavity is arranged in the control shell, an electromagnet is fixedly arranged on the inner wall of the left side of the control cavity, a third slide block capable of sliding left and right is arranged on the inner wall of the control cavity, a first spring is connected between the third slide block and the electromagnet, a fourth rotating shaft extending up and down is rotatably connected onto the third slide block, a second gear is fixedly arranged on the fourth rotating shaft positioned on the lower side of the third slide block, a third gear which is positioned on the lower side of the second belt wheel and can be meshed with the second gear is fixedly arranged on the third transmission shaft, a third belt wheel is fixedly arranged on the fourth rotating shaft positioned on the upper side of the third slide block, a fourth belt wheel is fixedly arranged on the first transmission shaft, and a second belt is connected between the fourth, the first transmission shaft is rotatably connected with an adjusting rod which is positioned at the lower side of the fourth belt pulley and is abutted with the inner ring of the second belt pulley, a second spring is connected between the adjusting rod and the inner wall of the rear side of the adjusting cavity, a fifth bevel gear positioned on the upper side of the third belt wheel is fixedly arranged on the fourth rotating shaft, a sixth bevel gear which can be in meshed connection with the fifth bevel gear is fixedly arranged on the fifth rotating shaft, a horizontal bracket positioned on the upper side of the fifth bevel gear is fixedly arranged on the inner wall of the rear side of the adjusting cavity, the left end of the horizontal bracket is rotationally connected with a sixth rotating shaft, a seventh bevel gear which can be meshed and connected with the fifth bevel gear is fixedly arranged on the sixth rotating shaft, an eighth bevel gear positioned on the left side of the seventh bevel gear is fixedly arranged on the sixth rotating shaft, and a ninth bevel gear in meshed connection with the eighth bevel gear is fixedly arranged on the second rotating shaft.