Disclosure of Invention
Aiming at the situation, in order to overcome the defects of the prior art, the invention provides the pressure sore prevention device, which effectively solves the problem that the turning effect of the conventional turning device is poor.
In order to achieve the purpose, the invention adopts the following technical scheme: a pressure sore prevention device comprises a bedstead, wherein a support plate is arranged on the bedstead, and a right turning plate is hinged on the support plate; the right turning plate comprises a right supporting part and a right dislocation rod connected with the right supporting part, and the right dislocation rod is hinged with the supporting plate; the left turning plate comprises a left supporting part and a left dislocation rod connected with the left supporting part, the left dislocation rod is hinged with the supporting plate, and the left dislocation rod and the right dislocation rod are arranged in a staggered mode; the supporting plate is provided with a transmission structure, and the transmission structure is connected with a turnover device; the turnover device comprises a left turnover structure connected with the left dislocation rod and a right turnover structure connected with the right dislocation rod, and the left turnover structure and the right turnover structure can drive the corresponding left turnover plate and the right turnover plate to rotate along the supporting plate; the right supporting part and the left supporting part are both hinged with antiskid plates, and the right supporting part and the left supporting part are both provided with antiskid overturning structures matched with the antiskid plates; the left turning structure is connected with the anti-skid turning structure on the right supporting part, the right turning structure is connected with the anti-skid turning structure on the left supporting part, the transmission structure comprises a motor fixedly connected with the supporting plate, and the output end of the motor is connected with a pair of switching structures; the switching structure comprises a clutch transmission gear set fixedly connected with the output end of the motor, and the output end of the motor is also fixedly connected with a switching transmission gear set corresponding to the clutch transmission gear set; the clutch transmission gear set is connected with a pair of clutch transmission sets which are respectively connected with the corresponding left turnover structure and the right turnover structure; the switching transmission gear set is connected with a pair of switching transmission sets corresponding to the clutch transmission sets, the pair of switching transmission sets realize the opening and closing of the corresponding pair of clutch transmission sets, each clutch transmission set comprises a clutch spline connected with the clutch transmission gear set, and a clutch sliding barrel is connected onto the clutch spline in a sliding manner; the supporting plate is connected with a sliding block in a sliding manner, and the clutch sliding barrel is rotationally connected with the sliding block; the clutch sliding barrel is connected with a clutch driving block, the clutch driving block is detachably connected with a clutch driven block, the clutch driven block is connected with a steering gear set, the steering gear set is fixedly connected with a main shaft, and the left turning structure and the right turning structure are arranged on the corresponding main shafts.
Furthermore, the switching transmission set comprises a switching screw rod fixedly connected with the switching transmission gear set, a traction block is screwed on the switching screw rod, and the traction block is connected with the support plate in a sliding manner; the sliding block is rotatably connected with a T-shaped block, and the T-shaped block is rotatably connected with two pulleys; the traction block is provided with a traction plate, and the traction plate is provided with a traction hole corresponding to the pulley of the T-shaped block far away from the support plate; the support plate is fixedly connected with a clamping plate corresponding to the pulley, and the clamping plate is provided with a clamping hole corresponding to the pulley on the support plate close to the T-shaped block.
Furthermore, the clutch transmission gear set comprises a clutch driving bevel gear fixedly connected with the output end of the motor, and a pair of clutch driven bevel gears fixedly connected with the clutch spline is meshed on the clutch driving bevel gear; the switching transmission gear set comprises a switching driving bevel gear fixedly connected with the output end of the motor, and a pair of switching driven bevel gears fixedly connected with a switching screw rod are meshed on the switching driving bevel gear; the steering gear set comprises a steering driving bevel gear coaxially and fixedly connected with the clutch driven block, and a steering driven bevel gear meshed with the steering driving bevel gear is fixedly connected to the main shaft.
Furthermore, the left turning-over structure and the right turning-over structure are the same in structure and comprise supporting blocks, turning-over screw rods are rotatably connected to the supporting blocks, and a turning-over transmission gear set connected with the turning-over screw rods is arranged on the main shaft; the turnover screw rod is in threaded connection with a turnover push block in sliding connection with the supporting block, the turnover push block is rotatably connected with a turnover rod, and one end, far away from the turnover push block, of the turnover rod is rotatably connected with a corresponding left dislocation rod or right dislocation rod.
Furthermore, an anti-skid transmission gear set is connected to the main shaft, and a lower universal joint is connected to the anti-skid transmission gear set; the anti-skidding structure is characterized in that an anti-skidding spline is connected onto the lower universal joint, an anti-skidding barrel is connected onto the anti-skidding spline in a sliding mode, one end, far away from the lower universal joint, of the anti-skidding barrel is connected with an upper universal joint, and the upper universal joint is connected with the anti-skidding turnover structure.
Furthermore, the turning-over transmission gear set comprises a first turning-over bevel gear fixedly connected to the main shaft, a second turning-over bevel gear is meshed with the first turning-over bevel gear, and a vertical transmission bevel gear set is connected to the second turning-over bevel gear; the vertical transmission bevel gear set comprises a third turnover bevel gear which is coaxially arranged with the second turnover bevel gear, and a fourth turnover bevel gear is meshed with the third turnover bevel gear; the fourth turnover bevel gear is coaxially connected with a fifth turnover bevel gear, and a sixth turnover bevel gear fixedly connected with the turnover screw rod is meshed with the fifth turnover bevel gear; the anti-skid turnover structure comprises an anti-skid driving bevel gear fixedly connected to the main shaft, an anti-skid driven bevel gear is meshed with the anti-skid driving bevel gear, and the anti-skid driven bevel gear is coaxially and fixedly connected with the lower universal joint.
Furthermore, the anti-skid turnover structure comprises a top plate, and the top plate is fixedly connected with the corresponding right supporting part and the left supporting part; the top plate is connected with a pair of connecting plates, and one end of each connecting plate, which is far away from the top plate, is connected with a bottom plate; a middle plate is arranged between the top plate and the bottom plate, an anti-skidding push block is connected to the middle plate in a sliding mode, an anti-skidding rod is connected to the anti-skidding push block in a rotating mode, and one end, far away from the anti-skidding push block, of the anti-skidding rod is connected with the anti-skidding plate in a rotating mode; the middle plate is rotatably connected with an anti-skid screw rod in threaded connection with the anti-skid push block, and the anti-skid screw rod is connected with the upper universal joint; the anti-skidding push block is characterized in that an anti-skidding guide plate connected with the anti-skidding push block is connected to the middle plate in a sliding mode, an anti-skidding guide rod connected with the anti-skidding guide plate in a sliding mode is arranged on the bottom plate, and a buffering spring corresponding to the anti-skidding guide plate is sleeved on the anti-skidding guide rod in a sleeved mode.
Furthermore, a pair of fan-shaped anti-pinch plates are connected to the anti-slip plate, and supporting seats corresponding to the bottom plate are arranged on the supporting plates.
Compared with the prior art, the invention has the following beneficial effects:
1. when the nursing bed is used, a patient can turn over leftwards and rightwards according to the requirement of the patient, the back of the patient is comprehensively nursed, and the labor intensity of medical staff is reduced; through the setting of antiskid ribbed tile, prevent that the patient from standing up the in-process, the patient from sliding along the bed board, improves patient's the effect of standing up.
2. The invention realizes that the power of the motor is transmitted to the corresponding left turnover structure or right turnover structure through the switching structure, realizes the action of the left turnover structure or right turnover structure, and further realizes the rotation of the left turnover plate or right turnover plate, namely the invention realizes the action of two sets of structures by using one motor.
3. When the anti-skid turnover structure is used, the lower universal joint, the anti-skid spline and the anti-skid cylinder drive the upper universal joint to rotate, so that the action of the anti-skid turnover structure is realized, and the lower universal joint, the anti-skid spline, the anti-skid cylinder and the upper universal joint are arranged, so that the anti-skid turnover structure can be always connected with a relative turnover structure, and the stability of the anti-skid turnover structure is improved.
Drawings
FIG. 1 is an isometric view of the present invention;
FIG. 2 is a schematic view showing a structure of a connection state of a transmission structure on a support plate and a turning-over device in the present invention;
FIG. 3 is a top view showing a connection state of a transmission structure on a support plate and a turning-over device in the present invention;
FIG. 4 is a schematic structural view showing a connection state of the left and right turning-over plates and the anti-slip turning-over structure according to the present invention;
FIG. 5 is a first isometric view of the anti-skid rollover structure of the present invention;
FIG. 6 is a second isometric view of the anti-slip and anti-flip structure of the present invention;
FIG. 7 is a schematic view of a partial structure of a connection state of a transmission structure and a turnover device in the present invention;
FIG. 8 is a partial plan view showing a connection state of a transmission structure and a turning-over device in the present invention;
FIG. 9 is a schematic structural view showing the connection state of the turning-over device and the anti-slip turning-over structure in the present invention;
FIG. 10 is a schematic structural view showing a connection state of a right turn-over structure and an anti-slip turn-over structure according to the present invention;
FIG. 11 is a schematic view showing the structure of a right turn-over structure according to the present invention;
FIG. 12 is a schematic diagram of a switching architecture of the present invention;
FIG. 13 is a schematic structural view of a clutch transmission set of the present invention;
FIG. 14 is a schematic view of the structure of the shift drive train of the present invention;
in the figure: 1. bedstead, 2, support plate, 3, anti-slip turnover structure, 301, top plate, 302, connecting plate, 303, bottom plate, 304, anti-slip rod, 305, anti-slip screw rod, 306, anti-slip guide plate, 307, upper universal joint, 308, anti-slip guide rod, 309 and middle plate; 4. the device comprises an antiskid plate, 5, a right turnover plate, 6, a left turnover plate, 7, a switching structure, 701, a switching screw rod, 702, a traction block, 703, a traction plate, 704, a clutch spline, 705, a sliding block, 706, a clutch sliding barrel, 707, a clutch driving block, 708, a clutch driven block, 709, a clamping plate, 710, a T-shaped block, 711, a pulley, 712 and a traction hole; 8. the turning device comprises a turning device, an 801 turning structure, a right turning structure, an 802 turning structure, a left turning structure, 803, a main shaft, 804, a turning transmission gear set, 805, a turning push block, 806, a turning rod, 807, an anti-skid transmission gear set, 808, a lower universal joint, 809, an anti-skid sliding cylinder, 810, a supporting block, 811 and a turning lead screw; 9. supporting seat, 10, anti-pinch plate, 11, motor.
Detailed Description
A pressure sore prevention device is shown in figures 1-14 and comprises a bedstead 1, wherein a support plate 2 is arranged on the bedstead 1, a bed board is arranged above the support plate 2, the bed board comprises a right turn-over plate 5 hinged with the support plate 2, the right turn-over plate 5 comprises a right support part and a right dislocation rod connected with the right support part, and the right dislocation rod is hinged with the support plate 2; the supporting plate 2 is also hinged with a left turning plate 6, the left turning plate 6 comprises a left supporting part and a left dislocation rod connected with the left supporting part, the left dislocation rod is hinged with the supporting plate 2, and the left dislocation rod and the right dislocation rod are arranged in a staggered mode; the supporting plate 2 is provided with a left rotating seat, the left dislocation rod is connected with a left connecting block corresponding to the left rotating seat, and the left connecting block is rotatably connected with the left rotating seat; the supporting plate 2 is further provided with a right rotating seat, the right dislocation rod is connected with a right connecting block corresponding to the right rotating seat, and the right connecting block is rotatably connected with the right rotating seat.
The supporting plate 2 is provided with a transmission structure, the transmission structure is connected with a turning-over device 8, and the turning-over device 8 is provided with three groups; the turning device 8 comprises a left turning structure 802 connected with the left dislocation rod and a right turning structure 801 connected with the right dislocation rod, and the left turning structure 802 and the right turning structure 801 can drive the corresponding left turning plate 6 and the right turning plate 5 to rotate along the support plate 2; the anti-skid plates 4 are hinged to the right supporting part and the left supporting part, three groups of anti-skid plates 4 are arranged on the anti-skid plates 4, and anti-skid turnover structures 3 matched with the anti-skid plates 4 are arranged on the right supporting part and the left supporting part; the left turning-over structure 802 is connected with the anti-skid turning-over structure 3 on the right supporting part, and the right turning-over structure 801 is connected with the anti-skid turning-over structure 3 on the left supporting part; the bed frame 1 comprises supporting legs, and universal wheels are arranged on the supporting legs; the bed plate bracket is arranged on the supporting leg and supports the left turning plate 6 and the right turning plate 5; and the supporting legs are also provided with supporting frames fixedly connected with the supporting plate 2.
When the medical bed is used, a patient lies on the bed board, and medical staff wipes the left side of the back of the patient as required; the action of the transmission structure drives the action of the left turning structure 802, and the action of the left turning structure 802 drives the left turning plate 6 to rotate; meanwhile, the left turn-over structure 802 drives the anti-skid turn-over structure 3 on the right support part to act, and the anti-skid turn-over structure 3 on the right support part drives the anti-skid plate 4 on the right support part to rotate along the right support part, so that the patient is prevented from sliding along the left turn-over plate 6, and the turn-over effect of the patient is improved; in addition, in the rotating process of the left turning plate 6, the left turning plate 6 drives the anti-skid turning structure 3 on the left supporting part to move together.
When the medical staff needs to wipe the right side of the back of the patient; the transmission structure acts to drive the right turn-over structure 801 to act, and the right turn-over structure 801 acts to drive the right turn-over plate 5 to rotate; meanwhile, the right turning structure 801 drives the anti-skid turning structure 3 on the left supporting part to act, the anti-skid turning structure 3 on the left supporting part drives the anti-skid plate 4 on the left supporting part to rotate along the left supporting part, so that the patient is prevented from sliding along the right turning plate 5, and the turning effect of the patient is improved; in addition, in the rotating process of the right turning plate 5, the right turning plate 5 drives the anti-skid turning structure 3 on the right supporting part to move together.
When the nursing bed is used, a patient can turn over leftwards and rightwards according to the requirement of the patient, the back of the patient is comprehensively nursed, and the labor intensity of medical staff is reduced; through the setting of antiskid ribbed tile 4, prevent that the patient from standing up the in-process, the patient from sliding along the bed board, improves patient's the effect of standing up.
The transmission structure comprises a motor 11 fixedly connected with the support plate 2, and the output end of the motor 11 is connected with a pair of switching structures 7; the switching structure 7 comprises a clutch transmission gear set fixedly connected with the output end of the motor 11, and the output end of the motor 11 is also fixedly connected with a switching transmission gear set corresponding to the clutch transmission gear set; the clutch transmission gear set is connected with a pair of clutch transmission sets which are respectively connected with the corresponding left turnover structure 802 and the right turnover structure 801; the switching transmission gear set is connected with a pair of switching transmission sets corresponding to the clutch transmission sets, and the pair of switching transmission sets realize the opening and closing of the corresponding pair of clutch transmission sets.
The clutch transmission set comprises a clutch spline 704 connected with the clutch transmission gear set, and a clutch sliding barrel 706 is connected on the clutch spline 704 in a sliding manner; a sliding block 705 is connected to the supporting plate 2 in a sliding manner, and a clutch sliding barrel 706 is rotationally connected with the sliding block 705; the clutch sliding barrel 706 is connected with a clutch driving block 707, the clutch driving block 707 is detachably connected with a clutch driven block 708, the clutch driven block 708 is connected with a steering gear set, the steering gear set is fixedly connected with a main shaft 803, and the left turn-over structure 802 and the right turn-over structure 801 are arranged on the corresponding main shaft 803.
The switching transmission set comprises a switching screw rod 701 fixedly connected with the switching transmission gear set, a traction block 702 is screwed on the switching screw rod 701, and the traction block 702 is connected with the support plate 2 in a sliding manner; a T-shaped block 710 is rotatably connected to the sliding block 705, and two pulleys 711 are rotatably connected to the T-shaped block 710; a traction plate 703 is arranged on the traction block 702, and a traction hole 712 corresponding to a pulley 711 on the support plate 2 far away from the T-shaped block 710 is arranged on the traction plate 703; a clamping plate 709 corresponding to the pulley 711 is fixedly connected to the support plate 2, and a clamping hole corresponding to the pulley 711 on the support plate 2 close to the T-shaped block 710 is formed in the clamping plate 709.
The clutch transmission gear set comprises a clutch driving bevel gear fixedly connected with the output end of the motor 11, and a pair of clutch driven bevel gears fixedly connected with a clutch spline 704 are meshed on the clutch driving bevel gear; the switching transmission gear set comprises a switching driving bevel gear fixedly connected with the output end of the motor 11, and a pair of switching driven bevel gears fixedly connected with a switching screw rod 701 is meshed on the switching driving bevel gear; the steering gear set comprises a steering driving bevel gear coaxially and fixedly connected with the clutch driven block 708, and a steering driven bevel gear meshed with the steering driving bevel gear is fixedly connected to the main shaft 803.
When the transmission structure is used, the initial position of the transmission structure is as follows: a pair of clutch driving blocks 707 are both in a separated state from the corresponding clutch driven blocks 708; when the medical staff cleans the left side of the back of the patient, the motor 11 rotates forwards, the motor 11 drives the switching driving bevel gear to rotate, the switching driving bevel gear drives the switching driven bevel gear to rotate, and the switching driven bevel gear drives the switching screw rod 701 to rotate; the switching screw rod 701 close to the left turning plate 6 drives the corresponding traction block 702 to slide along the support plate 2, the traction block 702 drives the sliding block 705 to slide through a pulley 711 on the T-shaped block 710, the sliding block 705 drives the clutch sliding barrel 706 to slide, and the clutch sliding barrel 706 drives the clutch driving block 707 to be meshed with the clutch driven block 708; at the moment, the pulley 711 on the T-shaped block 710 close to the support plate 2 is clamped into the clamping hole, the pulley 711 on the T-shaped block 710 far away from the support plate 2 is separated from the traction hole 712, and the traction block 702 continues to move under the driving of the switching screw rod 701.
Meanwhile, the switching screw rods 701 far away from the left overturn plate 6 drive the corresponding traction blocks 702 to slide along the support plate 2, the traction blocks 702 drive the sliding blocks 705 to slide through the pulleys 711 on the T-shaped blocks 710, the sliding blocks 705 drive the clutch sliding cylinders 706 to slide, and the clutch sliding cylinders 706 drive the clutch driving blocks 707 to move towards the clutch driven blocks 708.
The motor 11 drives the clutch driving bevel gear to rotate, the clutch driving bevel gear drives the clutch driven bevel gear to rotate, and the clutch driven bevel gear drives the clutch spline 704 to rotate; the clutch spline 704 drives the clutch sliding barrel 706 to rotate, the clutch sliding barrel 706 drives the clutch driven block 708 to rotate through the clutch driving block 707, the clutch driven block 708 drives the steering gear set to rotate, the steering gear set drives the main shaft 803 to rotate, the main shaft 803 drives the left turn-over structure 802 to act, and the left turn-over structure 802 drives the left turn-over plate 6 to rotate.
According to the invention, the power of the motor 11 is transmitted to the corresponding left turn-over structure 802 or right turn-over structure 801 respectively through the switching structure 7, so that the action of the left turn-over structure 802 or right turn-over structure 801 is realized, and further the rotation of the left turn-over plate 6 or right turn-over plate 5 is realized, namely, the action of two sets of structures is realized by using one motor 11.
The left turning structure 802 and the right turning structure 801 are identical in structure, the left turning structure 802 and the right turning structure 801 both comprise a supporting block 810, a turning screw 811 is rotatably connected to the supporting block 810, and a turning transmission gear set 804 connected with the turning screw 811 is arranged on the main shaft 803; the turning-over screw rod 811 is in threaded connection with a turning-over pushing block 805 which is in sliding connection with the supporting block 810, the turning-over pushing block 805 is in rotating connection with a turning-over rod 806, and one end of the turning-over rod 806, which is far away from the turning-over pushing block 805, is in rotating connection with a corresponding left dislocation rod or a right dislocation rod. The turning-over transmission gear set 804 comprises a first turning-over bevel gear fixedly connected to the main shaft 803, a second turning-over bevel gear is meshed with the first turning-over bevel gear, and a vertical transmission bevel gear set is connected to the second turning-over bevel gear; the vertical transmission bevel gear set comprises a third turnover bevel gear which is coaxially arranged with the second turnover bevel gear, and a fourth turnover bevel gear is meshed with the third turnover bevel gear; the fourth turnover bevel gear is coaxially connected with a fifth turnover bevel gear, and a sixth turnover bevel gear fixedly connected with a turnover screw rod 811 is meshed with the fifth turnover bevel gear;
when the left turning structure 802 and the right turning structure 801 are in use, the main shaft 803 drives the turning screw 811 to rotate through the turning transmission gear set 804, the turning screw 811 drives the turning push block 805 to slide along the supporting block 810, the turning push block 805 drives the turning rod 806 to rotate, and the turning rod 806 drives the left turning plate 6 and the right turning plate 5 to rotate through the corresponding left dislocation rod or right dislocation rod.
An anti-skid transmission gear set 807 is also connected to the main shaft 803, and a lower universal joint 808 is connected to the anti-skid transmission gear set 807; the lower universal joint 808 is connected with an anti-skid spline, the anti-skid spline is connected with an anti-skid cylinder 809 in a sliding mode, one end, far away from the lower universal joint 808, of the anti-skid cylinder 809 is connected with an upper universal joint 307, and the upper universal joint 307 is connected with the anti-skid turnover structure 3. The anti-skid turnover structure comprises an anti-skid driving bevel gear fixedly connected to the main shaft 803, an anti-skid driven bevel gear is meshed on the anti-skid driving bevel gear, and the anti-skid driven bevel gear is coaxially and fixedly connected with the lower universal joint 808.
The anti-skid turnover structure 3 comprises a top plate 301, and the top plate 301 is fixedly connected with a right supporting part and a left supporting part which correspond to each other; a pair of connecting plates 302 are connected to the top plate 301, and a bottom plate 303 is connected to one end, far away from the top plate 301, of each connecting plate 302; a middle plate 309 is arranged between the top plate 301 and the bottom plate 303, an anti-skid push block is connected to the middle plate 309 in a sliding manner, an anti-skid rod 304 is connected to the anti-skid push block in a rotating manner, and one end, far away from the anti-skid push block, of the anti-skid rod 304 is connected to the anti-skid plate 4 in a rotating manner; the middle plate 309 is rotatably connected with an anti-skid screw rod 305 in threaded connection with an anti-skid push block, and the anti-skid screw rod 305 is connected with an upper universal joint 307; the middle plate 309 is connected with an anti-skid guide plate 306 connected with the anti-skid push block in a sliding mode, the bottom plate 303 is provided with an anti-skid guide rod 308 connected with the anti-skid guide plate 306 in a sliding mode, and the anti-skid guide rod 308 is sleeved with a buffer spring corresponding to the anti-skid guide plate 306.
When the antiskid turnover structure 3 is used, the main shaft 803 drives the lower universal joint 808 to rotate through the antiskid transmission gear set 807, the lower universal joint 808 rotates through the antiskid spline and the antiskid cylinder 809, and the antiskid cylinder 809 drives the upper universal joint 307 to rotate; the upper universal joint 307 drives the anti-slip screw 305 to rotate, the anti-slip screw 305 drives the anti-slip push block to slide along the middle plate 309, the anti-slip push block drives the anti-slip rod 304 to move, the anti-slip rod 304 drives the anti-slip plate 4 to rotate along the corresponding left supporting portion or right supporting portion, and the patient is prevented from sliding along the left turning plate 6 or the right turning plate 5.
When the anti-skid turning structure 3 moves along with the rotation of the left turning plate 6 or the right turning plate 5, the anti-skid turning structure 3 drives the anti-skid cylinder 809 to slide along the anti-skid spline through the upper universal joint 307, and meanwhile, the anti-skid cylinder 809 and the anti-skid spline rotate along the upper universal joint 307 and the lower universal joint 808 respectively.
When the anti-skid turnover structure is used, the lower universal joint 808, the anti-skid spline and the anti-skid cylinder 809 drive the upper universal joint 307 to rotate, so that the action of the anti-skid turnover structure 3 is realized, and the lower universal joint 808, the anti-skid spline, the anti-skid cylinder 809 and the upper universal joint 307 are arranged to ensure that the anti-skid turnover structure 3 can be always connected with a relative turnover structure, so that the stability of the anti-skid turnover structure is improved.
The anti-skid plate 4 is connected with a pair of fan-shaped anti-skid plates 10, and the anti-skid plates 10 are arranged to prevent gaps from being formed between the anti-skid plates 4 and the bed board when the anti-skid plates 4 rotate, so that bedding can enter, the use of the anti-skid bed is influenced, and the stability of the anti-skid bed is improved. The supporting plate 2 is provided with a supporting seat 9 corresponding to the bottom plate 303. Set up supporting seat 9 and support anti-skidding flip structure 3, improve anti-skidding flip structure 3's stability.
The working process of the invention is as follows:
when the medical bed is used, a patient lies on the bed board, and medical staff wipes the left side of the back of the patient as required; the motor 11 rotates forwards, the motor 11 drives the switching driving bevel gear to rotate, the switching driving bevel gear drives the switching driven bevel gear to rotate, and the switching driven bevel gear drives the switching screw rod 701 to rotate; the switching screw rod 701 close to the left turning plate 6 drives the corresponding traction block 702 to slide along the support plate 2, the traction block 702 drives the sliding block 705 to slide through a pulley 711 on the T-shaped block 710, the sliding block 705 drives the clutch sliding barrel 706 to slide, and the clutch sliding barrel 706 drives the clutch driving block 707 to be meshed with the clutch driven block 708; at the moment, the pulley 711 on the T-shaped block 710 close to the support plate 2 is clamped into the clamping hole, the pulley 711 on the T-shaped block 710 far away from the support plate 2 is separated from the traction hole 712, and the traction block 702 continues to move under the driving of the switching screw rod 701.
Meanwhile, the switching screw rods 701 far away from the left overturn plate 6 drive the corresponding traction blocks 702 to slide along the support plate 2, the traction blocks 702 drive the sliding blocks 705 to slide through the pulleys 711 on the T-shaped blocks 710, the sliding blocks 705 drive the clutch sliding cylinders 706 to slide, and the clutch sliding cylinders 706 drive the clutch driving blocks 707 to move towards the clutch driven blocks 708.
The motor 11 drives the clutch driving bevel gear to rotate, the clutch driving bevel gear drives the clutch driven bevel gear to rotate, and the clutch driven bevel gear drives the clutch spline 704 to rotate; the clutch spline 704 drives the clutch sliding barrel 706 to rotate, the clutch sliding barrel 706 drives the clutch driven block 708 to rotate through the clutch driving block 707, the clutch driven block 708 drives the steering gear set to rotate, the steering gear set drives the main shaft 803 to rotate, and the main shaft 803 drives the left turn-over structure 802 to act.
When the left turn-over structure 802 is in use, the main shaft 803 drives the turn-over screw 811 to rotate through the turn-over transmission gear set 804, the turn-over screw 811 drives the turn-over push block 805 to slide along the supporting block 810, the turn-over push block 805 drives the turn-over rod 806 to rotate, and the turn-over rod 806 drives the left turn-over plate 6 to rotate through the corresponding left dislocation rod. Meanwhile, the main shaft 803 drives the lower universal joint 808 to rotate through the antiskid transmission gear set 807, the lower universal joint 808 rotates through the antiskid spline and the antiskid cylinder 809, and the antiskid cylinder 809 drives the upper universal joint 307 to rotate; go up universal joint 307 and drive anti-skidding lead screw 305 and rotate, anti-skidding lead screw 305 drives anti-skidding ejector pad and slides along medium plate 309, and anti-skidding ejector pad drives the action of anti-skidding pole 304, and anti-skidding pole 304 drives antiskid ribbed tile 4 and rotates along corresponding right branch portion.
When the anti-skid turning structure 3 on the left turning plate 6 moves along with the rotation of the left turning plate 6, the anti-skid turning structure 3 drives the anti-skid cylinder 809 to slide along the anti-skid spline through the upper universal joint 307, and meanwhile, the anti-skid cylinder 809 and the anti-skid spline rotate along the upper universal joint 307 and the lower universal joint 808 respectively.
After the medical staff finishes wiping the patient, the motor 11 rotates reversely, the motor 11 drives the switching driving bevel gear to rotate, the switching driving bevel gear drives the switching driven bevel gear to rotate, and the switching driven bevel gear drives the switching screw rod 701 to rotate; the switching screw rods 701 close to the left overturn plate 6 drive the corresponding traction blocks 702 to slide along the support plate 2, the traction blocks 702 slide towards the T-shaped blocks 710, and the traction blocks 702 drive the traction plates 703 to move; the traction plate 703 takes the pulley 711 into the traction hole 712, the T-shaped block 710 rotates along the sliding block 705, the pulley 711 is separated from the clamping hole, and the clutch driving block 707 is separated from the clutch driven block 708.
In the sliding process of the traction block 702, the motor 11 drives the clutch driving bevel gear to rotate, the clutch driving bevel gear drives the clutch driven bevel gear to rotate, and the clutch driven bevel gear drives the clutch spline 704 to rotate; the clutch spline 704 drives the clutch sliding barrel 706 to rotate, the clutch sliding barrel 706 drives the clutch driven block 708 to rotate through the clutch driving block 707, the clutch driven block 708 drives the steering gear set to rotate, the steering gear set drives the main shaft 803 to rotate, and the main shaft 803 drives the left turn-over structure 802 to reset.
When the medical staff needs to wipe the right side of the back of the patient; the motor 11 rotates reversely, the motor 11 drives the switching driving bevel gear to rotate, the switching driving bevel gear drives the switching driven bevel gear to rotate, and the switching driven bevel gear drives the switching screw rod 701 to rotate; the switching screw rod 701 close to the right turning plate 5 drives the corresponding traction block 702 to slide along the supporting plate 2, the traction block 702 drives the sliding block 705 to slide through a pulley 711 on the T-shaped block 710, the sliding block 705 drives the clutch sliding barrel 706 to slide, and the clutch sliding barrel 706 drives the clutch driving block 707 to be meshed with the clutch driven block 708; at the moment, the pulley 711 on the T-shaped block 710 close to the support plate 2 is clamped into the clamping hole, the pulley 711 on the T-shaped block 710 far away from the support plate 2 is separated from the traction hole 712, and the traction block 702 continues to move under the driving of the switching screw rod 701.
Meanwhile, the switching screw rod 701 far away from the right overturn plate 5 drives the corresponding traction block 702 to slide along the support plate 2, the traction block 702 drives the sliding block 705 to slide through the pulley 711 on the T-shaped block 710, the sliding block 705 drives the clutch sliding barrel 706 to slide, and the clutch sliding barrel 706 drives the clutch driving block 707 to move towards the clutch driven block 708.
The motor 11 drives the clutch driving bevel gear to rotate, the clutch driving bevel gear drives the clutch driven bevel gear to rotate, and the clutch driven bevel gear drives the clutch spline 704 to rotate; the clutch spline 704 drives the clutch sliding barrel 706 to rotate, the clutch sliding barrel 706 drives the clutch driven block 708 to rotate through the clutch driving block 707, the clutch driven block 708 drives the steering gear set to rotate, the steering gear set drives the main shaft 803 to rotate, and the main shaft 803 drives the right turn-over structure 801 to act.
When the right turn-over structure 801 is in use, the main shaft 803 drives the turn-over screw 811 to rotate through the turn-over transmission gear set 804, the turn-over screw 811 drives the turn-over push block 805 to slide along the supporting block 810, the turn-over push block 805 drives the turn-over rod 806 to rotate, and the turn-over rod 806 drives the right turn-over plate 5 to rotate through the corresponding right dislocation rod. Meanwhile, the main shaft 803 drives the lower universal joint 808 to rotate through the antiskid transmission gear set 807, the lower universal joint 808 rotates through the antiskid spline and the antiskid cylinder 809, and the antiskid cylinder 809 drives the upper universal joint 307 to rotate; go up universal joint 307 and drive anti-skidding lead screw 305 and rotate, anti-skidding lead screw 305 drives anti-skidding ejector pad and slides along medium plate 309, and anti-skidding ejector pad drives the action of anti-skidding pole 304, and anti-skidding pole 304 drives antiskid ribbed tile 4 and rotates along corresponding left branch portion.
When the anti-skid turning structure 3 on the right turning plate 5 moves along with the rotation of the right turning plate 5, the anti-skid turning structure 3 drives the anti-skid cylinder 809 to slide along the anti-skid spline through the upper universal joint 307, and meanwhile, the anti-skid cylinder 809 and the anti-skid spline rotate along the upper universal joint 307 and the lower universal joint 808 respectively.
After the medical staff finishes wiping the patient, the motor 11 rotates forwards, the motor 11 drives the switching driving bevel gear to rotate, the switching driving bevel gear drives the switching driven bevel gear to rotate, and the switching driven bevel gear drives the switching screw rod 701 to rotate; the switching screw rods 701 close to the right overturn plate 5 drive the corresponding traction blocks 702 to slide along the support plate 2, the traction blocks 702 slide towards the T-shaped blocks 710, and the traction blocks 702 drive the traction plates 703 to move; the traction plate 703 takes the pulley 711 into the traction hole 712, the T-shaped block 710 rotates along the sliding block 705, the pulley 711 is separated from the clamping hole, and the clutch driving block 707 is separated from the clutch driven block 708.
In the sliding process of the traction block 702, the motor 11 drives the clutch driving bevel gear to rotate, the clutch driving bevel gear drives the clutch driven bevel gear to rotate, and the clutch driven bevel gear drives the clutch spline 704 to rotate; the clutch spline 704 drives the clutch sliding barrel 706 to rotate, the clutch sliding barrel 706 drives the clutch driven block 708 to rotate through the clutch driving block 707, the clutch driven block 708 drives the steering gear set to rotate, the steering gear set drives the main shaft 803 to rotate, the main shaft 803 drives the right turn-over structure 801 to reset, and the right turn-over structure 801 drives the right turn-over plate 5 to reset.