CN108938251B - Self-buffering medical bed board assembly - Google Patents
Self-buffering medical bed board assembly Download PDFInfo
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- CN108938251B CN108938251B CN201811026655.0A CN201811026655A CN108938251B CN 108938251 B CN108938251 B CN 108938251B CN 201811026655 A CN201811026655 A CN 201811026655A CN 108938251 B CN108938251 B CN 108938251B
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- 210000000689 upper leg Anatomy 0.000 claims abstract description 44
- 230000003139 buffering effect Effects 0.000 claims abstract description 9
- 238000001125 extrusion Methods 0.000 claims abstract description 6
- 210000002414 leg Anatomy 0.000 claims description 62
- 230000007246 mechanism Effects 0.000 claims description 45
- 230000007306 turnover Effects 0.000 claims description 26
- 229910052755 nonmetal Inorganic materials 0.000 claims description 3
- 244000309466 calf Species 0.000 claims 1
- 230000006978 adaptation Effects 0.000 abstract description 4
- 208000027418 Wounds and injury Diseases 0.000 abstract 1
- 230000006378 damage Effects 0.000 abstract 1
- 208000014674 injury Diseases 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 8
- 210000001015 abdomen Anatomy 0.000 description 6
- 230000006837 decompression Effects 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000000474 nursing effect Effects 0.000 description 3
- 238000003197 gene knockdown Methods 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G7/00—Beds specially adapted for nursing; Devices for lifting patients or disabled persons
- A61G7/002—Beds specially adapted for nursing; Devices for lifting patients or disabled persons having adjustable mattress frame
- A61G7/015—Beds specially adapted for nursing; Devices for lifting patients or disabled persons having adjustable mattress frame divided into different adjustable sections, e.g. for Gatch position
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G7/00—Beds specially adapted for nursing; Devices for lifting patients or disabled persons
- A61G7/05—Parts, details or accessories of beds
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- Health & Medical Sciences (AREA)
- Nursing (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Invalid Beds And Related Equipment (AREA)
- Accommodation For Nursing Or Treatment Tables (AREA)
Abstract
The invention discloses a self-buffering medical bed board assembly, which comprises a bed frame, a back board, a middle bed board, a thigh board and a shank board, wherein the medical bed further comprises a damper, a back board overturning driving device comprises a first driving shaft, a back board driving arm and a first linear power device, a first driving arm and a driven arm are fixed on the first driving shaft, the first linear power device and the damper are respectively hinged between the first driving arm and the bed frame and between the driven arm and the bed frame, a buffering force application sleeve is fixed on the first driving shaft, an overturning buffering shifting block and a resetting shifting block are arranged on the buffering force application sleeve at circumferential intervals, the overturning buffering shifting block is in extrusion contact with the driven arm to compress the damper when the back board is overturned, and the resetting shifting block is in extrusion contact with the driven arm to enable the damper to be lengthened and reset when the back board is lifted and overturned. The back plate of the medical bed plate assembly can be quickly laid down and has a buffer function, is stronger in adaptation, can improve the safety performance, and reduces the risk of clamping injury of fingers or palms.
Description
Technical Field
The invention relates to a self-buffering medical bed board assembly, and belongs to the technical field of medical instruments.
Background
The current medical bed comprises a bed frame and a back plate, a middle bed plate, a thigh plate and a shank plate which are arranged on the bed frame, wherein the plates are hinged with each other, the back plate and the thigh plate are respectively driven by a back plate and thigh plate overturning power device, the overturning power device is generally driven by a linear motor, the linear motor is hinged between the back plate and the bed frame or between the thigh plate and the bed frame, the structure of the current bed plate overturning device is unreasonable, and at least the following defects are caused:
1. the existing bed board overturning device has no buffering effect, and the bed board can only be slowly laid down, so that the bed board can not be laid down in emergency under some emergency conditions.
2. When the current bed board overturning device drives the bed board to overturn, the angle between the back board or thigh board and the middle bed board is gradually reduced, and the abdomen of a patient can be extruded, so that uncomfortable feeling is caused.
3. At present, when the bed board is laid down, as the bed board is driven by the linear motor, once a patient or other people carelessly places hands between the bed board and the bed frame, the linear motor drives the bed board to descend and deflect all the time, so that safety accidents are easy to occur, and even the condition of pinching off palms or fingers occurs.
4. The service life of the hinge joint part of the turning power device and the bedstead of the existing bed board is not long, and smooth action can be ensured only by frequently adding lubricating oil.
5. The bottom of present medical bed is provided with the structure of placing that is used for placing the light-transmitting plate, and the light-transmitting plate is used for the film making usefulness, and present light-transmitting plate can only be the front and back pull, and the place and the take out of light-transmitting plate are inconvenient. Meanwhile, the current medical bed generally can only photograph at the chest position, and cannot realize the function of whole body photographing.
Disclosure of Invention
The technical problems to be solved by the invention are as follows: the back plate of the medical bed plate assembly can be quickly laid down and has a buffering function, is stronger in adaptation, can improve safety performance, and reduces the risk of finger or palm being injured by clamping.
In order to solve the technical problems, the technical scheme of the invention is as follows: the utility model provides a from buffering medical bed board subassembly, includes bedstead, backplate, middle bed board, thigh board and shank board, middle bed board is fixed on the bedstead, the backplate passes through backplate tilting mechanism and articulates on the bedstead, the thigh board passes through leg board tilting mechanism and articulates on the bedstead, articulated between shank board and the thigh board, articulated between shank board and the bedstead have support link mechanism, be provided with the backplate upset drive arrangement of drive backplate upset between backplate and the bedstead, be provided with the leg board upset drive arrangement of drive thigh board upset between thigh board and the bedstead, the medical bed still includes the attenuator, backplate upset drive arrangement includes first driving shaft, two backplate actuating arms and first linear power device, two backplate actuating arms articulate respectively in the inboard of the corresponding longeron of bedstead, the one end at two backplate actuating arms is connected to the first driving shaft, and the other end of two backplate actuating arms is provided with the gyro wheel, the bottom of backplate is provided with the linear guide with the gyro wheel adaptation, be fixed with first main arm on the first driving shaft, this first linear power device articulates between first main arm and the bedstead, this main arm and the reset pad are provided with the reset pad and are installed to be reset the pad and are reset and are set up to be put on the reset pad, reset pad and reset pad, reset pad is set up on the reset pad, reset pad is reset pad and reset pad is set up to reset pad.
As a preferable scheme, the driven arm comprises two arm plates and a buffer matching plate part connected between the two arm plates, one ends of the two arm plates are sleeved between the first driving shafts, the other ends of the two arm plates are hinged with one ends of the dampers, the buffer force application sleeve is positioned between the two arm plates, the dumping buffer shifting block and the reset shifting block are positioned on the periphery of the buffer force application sleeve, and two side surfaces of the buffer matching plate part are respectively in extrusion contact fit with the dumping buffer shifting block and the reset shifting block.
As a preferred scheme, backplate tilting mechanism is including connecting two sets of backplate link mechanism between the longeron of bedstead and backplate, and every set of backplate link mechanism includes first articulated arm and second articulated arm, the one end of first articulated arm and second articulated arm articulates respectively in the longeron inboard of bedstead, the other end of first articulated arm and second articulated arm articulates respectively in the bottom of backplate, the length of first articulated arm is longer than the size of second articulated arm, and the position of second articulated arm is close to middle bed board.
As a preferred scheme, from buffering medical bed board subassembly still includes the light board placer that is used for placing the light-passing board, backplate, middle bed board, thigh board and shank board are non-sheet metal, the light-passing board is in leg board tilting mechanism, backplate tilting mechanism and support link mechanism's top when backplate, thigh board and shank board fall flat.
As a preferred scheme, the light board placer includes that parallel arrangement's first roof beam and second place the roof beam, and first roof beam and the second of placing are placed the roof beam and are fixed respectively on the longeron that the bedstead corresponds, first roof beam and the second of placing are placed and all are provided with the level of being used for supporting the light-passing board and place the board on the roof beam.
As a preferred scheme, the both ends that roof beam and second placed the roof beam are all fixed on the longeron through connecting piece and support connecting seat, the roof beam is all provided with and places board vertically side mounting groove with the level to first place roof beam and second, the connecting piece includes first connecting plate portion and second connecting plate portion, first connecting plate portion inserts in the side mounting groove and bolt fastening, second connecting plate portion is fixed with support connecting seat bolt, backplate and shank board are supported by support connecting seat when the level falls down.
As a preferable scheme, the structure of leg board tilting mechanism and backplate tilting mechanism is the same, leg board tilting drive arrangement is the same with backplate tilting drive arrangement structure, leg board tilting mechanism includes third articulated arm and fourth articulated arm, and the length of third articulated arm is longer than fourth articulated arm, leg board tilting drive arrangement includes second driving shaft, two leg board actuating arms and second linear power device, and the tip of leg board actuating arm is provided with the gyro wheel, the third articulated arm includes first pole portion and the second pole portion that each other becomes the obtuse angle setting, and first pole portion articulates on the longeron, and the length of second pole portion is longer than first pole portion and articulates in the bottom of leg board, the gyro wheel on the leg board actuating arm is supported by the upper surface of second pole portion when leg board horizontal plane arrives.
As a preferable scheme, one end of the bottom of the backboard, which is close to the second hinge arm, is provided with a backboard limiting plate, and the backboard limiting plate and the second hinge arm are in limiting fit to limit the lifting and overturning angle of the backboard; the bottom of thigh board is close to the one end of fourth articulated arm and is provided with leg board limiting plate, the lift-up flip angle of leg board is restricted in the spacing cooperation of leg board limiting plate and fourth articulated arm.
As a preferable scheme, each hinge position of the medical bed is connected through a hinge shaft connecting structure, the hinge shaft connecting structure comprises a hinge bolt, a fixed sleeve and a gasket, the fixed sleeve is arranged on one of two deflection components which deflect relatively, the hinge bolt is rotatably arranged in the fixed sleeve and penetrates through the other deflection component, the gasket is arranged between the two deflection components, the nut is arranged on a threaded section of the hinge bolt and locked, an oil hiding ring groove is arranged on the hinge bolt, and the position of the oil hiding ring groove is matched with the fixed sleeve.
As a preferable scheme, the supporting link mechanism comprises two length-adjustable in-line hinges, one ends of the in-line hinges are hinged on longitudinal beams of the corresponding bedstead, and the other ends of the in-line hinges are hinged on the bottoms of the shank plates.
After the technical scheme is adopted, the invention has the following effects: 1. because the medical bed board component is provided with the damper, when the back board is overturned and lifted, the reset shifting block of the buffer force application sleeve on the first driving shaft can shift the driven arm to deflect, so that the damper is lengthened and reset; when the backboard is turned over and laid down, the laying down buffer shifting block of the buffer real sleeve on the first driving shaft shifts the driven arm to reversely deflect, then the damper is compressed, and then the backboard is slowly laid down; before the damper acts, the back plate overturns fast, so that the time for the back plate to fall down is reduced, and the device is suitable for some emergency situations. 2. The other end of the backboard driving arm of the medical bed board assembly is provided with the idler wheels, the bottom of the backboard is provided with the linear guide rail matched with the idler wheels, the backboard driving arm and the backboard are not directly connected, and the clutch can enable power to be disconnected; if the hand of nursing staff is located between bed board and the bedstead, when the bed board is laid down, nursing staff can in time take out, and the bed board can receive the resistance effect of nursing staff's hand and laid down more slowly even do not lay down simultaneously, and the security is higher like this.
And because the driven arm comprises two arm plates and a buffer matching plate part connected between the two arm plates, one ends of the two arm plates are sleeved between the first driving shaft, the other ends of the two arm plates are hinged with one end of the damper, the buffer force application sleeve is positioned between the two arm plates, the dumping buffer shifting block and the resetting shifting block are positioned on the periphery of the buffer force application sleeve, and two side surfaces of the buffer matching plate part are respectively in extrusion contact with the dumping buffer shifting block and the resetting shifting block. The driven arm and the buffer force application sleeve are very convenient to install, and meanwhile, the buffer block and the reset shifting block can be accurately contacted and matched with the buffer matching plate part, so that the buffer action and the quick dumping action are ensured to be reliable.
Because the backboard overturning mechanism comprises two sets of backboard connecting rod mechanisms connected between the longitudinal beam of the bedstead and the backboard, each set of backboard connecting rod mechanism comprises a first articulated arm and a second articulated arm, one ends of the first articulated arm and the second articulated arm are respectively articulated on the inner side of the longitudinal beam of the bedstead, the other ends of the first articulated arm and the second articulated arm are respectively articulated on the bottom of the backboard, the length of the first articulated arm is longer than the size of the second articulated arm, and the position of the second articulated arm is close to the middle bed board. The backboard overturning mechanism is reasonable in structure, the backboard not only realizes overturning action, but also has displacement in the horizontal direction when being overturned, so that when a patient lies on a medical bed, the overturning of the backboard can not squeeze the abdomen of the patient, and the abdomen decompression effect is achieved.
The self-buffering medical bed board assembly further comprises a light board placing device used for placing the light-transmitting board, the back board, the middle bed board, the thigh board and the shank board are all nonmetal boards, and the light-transmitting board is positioned above the leg board turnover mechanism, the back board turnover mechanism and the supporting connecting rod mechanism when the back board, the thigh board and the shank board are laid down and laid down, so that after the light-transmitting board is placed on the light board placing device, no metal shielding exists above the light-transmitting board, and whole body shooting can be realized.
And because the light plate placing device comprises a first placing beam and a second placing beam which are arranged in parallel, the first placing beam and the second placing beam are respectively fixed on the longitudinal beams corresponding to the bedstead, and the first placing beam and the second placing beam are both provided with a horizontal placing plate for supporting the light-transmitting plate. The utility model discloses a light-transmitting plate is characterized in that the beam is placed to the first both ends of placing the roof beam and the second is placed the roof beam and is all fixed on the longeron through connecting piece and support connecting seat, the first roof beam and the second of placing are placed the roof beam and all are provided with and place board vertically side mounting groove with the level, the connecting piece includes first connecting plate portion and second connecting plate portion, first connecting plate portion inserts in the side mounting groove and bolt fastening, second connecting plate portion is fixed with support connecting seat bolt, backplate and shank board are supported by support connecting seat when the level falls down, and the first roof beam of placing and the second of placing are fixed very conveniently to the light-transmitting plate is placed and is taken out from the head of a bed or place the board top from the level and take out.
Because the structure of the leg plate overturning mechanism is the same as that of the backboard overturning mechanism, the leg plate overturning driving device is the same as that of the backboard overturning driving device, the leg plate overturning mechanism comprises a third articulated arm and a fourth articulated arm, the length of the third articulated arm is longer than that of the fourth articulated arm, the leg plate overturning driving device comprises a second driving shaft, two leg plate driving arms and a second linear power device, the end parts of the leg plate driving arms are provided with rollers, the third articulated arm comprises a first rod part and a second rod part which are arranged at an obtuse angle, the first rod part is hinged on a longitudinal beam, the length of the second rod part is longer than that of the first rod part and is hinged at the bottom of the leg plate, the rollers on the leg plate driving arms are supported by the upper surface of the second rod part when the leg plate horizontally moves, the leg plate horizontally moves while overturning, and meanwhile, the thighs stretch to further play the role of belly decompression.
The backboard limiting plate is arranged at one end, close to the second hinge arm, of the bottom of the backboard, and the backboard limiting plate and the second hinge arm are in limiting fit to limit the lifting and overturning angle of the backboard; the bottom of thigh board is close to the one end of fourth articulated arm and is provided with the leg board limiting plate, the lift-up flip angle of leg board is restricted to leg board limiting plate and the spacing cooperation of fourth articulated arm, can restrict the flip angle of thigh board and backplate through leg board limiting plate and backplate limiting plate like this, avoids flip angle too big.
Because each hinge position of the medical bed is connected through the hinge shaft connecting structure, the hinge shaft connecting structure comprises a hinge bolt, a fixing sleeve and a gasket, the fixing sleeve is arranged on one of two deflection components which deflect oppositely, the hinge bolt is rotatably arranged in the fixing sleeve and penetrates through the other deflection component, the gasket is arranged between the two deflection components, the nut is arranged on a threaded section of the hinge bolt and locked, the hinge bolt is provided with an oil hiding ring groove, the position of the oil hiding ring groove is matched with the fixing sleeve, the durability of lubrication can be improved by utilizing the oil hiding ring groove, and long-term reliable smooth rotation of each hinge position is ensured.
And because the supporting link mechanism comprises two straight hinges with adjustable length, one end of each straight hinge is hinged on the longitudinal beam of the corresponding bedstead, and the other end of each straight hinge is hinged at the bottom of the lower leg plate. The angle of the lower leg plate can be adjusted through the straight hinge, so that the comfort is further improved.
Drawings
The invention will be further described with reference to the drawings and examples.
FIG. 1 is a perspective view of an embodiment of the present invention in a raised back panel state;
FIG. 2 is a schematic view of the bottom structure of the back plate in the laid-down state according to the embodiment of the present invention;
FIG. 3 is a schematic side view of the back plate in a laid down state;
fig. 4 is a perspective view of the backboard and thigh board in a raised state;
FIG. 5 is a schematic cross-sectional view of the structure with the damper in operation;
FIG. 6 is a schematic cross-sectional view of the damper in a reset configuration;
FIG. 7 is a cross-sectional view of the bed assembly in the width direction;
FIG. 8 is an enlarged schematic view of FIG. 7 at I;
in the accompanying drawings: 1. a middle bed board; 2. a back plate; 3. thigh plates; 4. a lower leg plate; 5. a longitudinal beam; 6. a first drive shaft; 7. a synchronous connecting shaft; 8. a first articulated arm; 9. a second articulated arm; 10. a back plate driving arm; 11. a roller; 12. a linear guide rail; 13. a first placement beam; 131. placing the plate horizontally; 14. a side mounting groove; 15. a connecting piece; 16. supporting the connecting seat; 17. a first actuator arm; 18. a first linear power device; 19. a driven arm; 20. a damper; 21. a backboard limiting plate; 22. a buffer force application sleeve; 221. laying down the buffer shifting block; 222. resetting the shifting block; 23. a clutch; 24. a second drive shaft; 25. a third hinge arm; 26. a fourth articulated arm; 27. a second linear power device; 28. leg plate driving arms; 29. a straight hinge; 30. a second actuator arm; 31. leg plate limiting plates; 32. a hinge bolt; 33. a fixed sleeve; 34. a gasket; 35. a nut; 36. oil storage ring groove; 37. and a linear guide rail plate.
Detailed Description
The present invention will be described in further detail with reference to the following examples.
As shown in fig. 1 to 8, a self-buffering medical bed board assembly comprises a bed frame, a back board 2, a middle bed board 1, a thigh board 3 and a shank board 4, wherein the bed frame comprises a longitudinal beam 5 and a cross beam, the middle bed board 1 is fixed on the bed frame, the back board 2 is hinged on the bed frame through a back board 2 turnover mechanism, the thigh board 3 is hinged on the bed frame through a leg board turnover mechanism, the shank board 4 and the thigh board 3 are hinged, deflection of the thigh board 3 can drive the shank board 4 to deflect, a supporting connecting rod mechanism is hinged between the shank board 4 and the bed frame, a back board 2 turnover driving device for driving the back board 2 to turn over is arranged between the back board 2 and the bed frame, the thigh board 3 and the bed frame are provided with leg board turnover driving devices for driving the thigh board 3, the medical bed further comprises a damper 20, the back board 2 turnover driving devices comprise a first driving shaft 6, two back boards 10 and a first linear driving device 18, the two driving arms 10 are respectively hinged on the inner sides of corresponding longitudinal beams 5 of the bed frame, and in the embodiment, all the hinge arms, the swing arms and the driven arms are hinged on the inner sides of the corresponding longitudinal beam 5 are further safe, and the safety of the bed board assembly can be prevented from being clamped by hands. The first driving shaft 6 is connected to one ends of two back plate driving arms 10, the other ends of the two back plate driving arms 10 are provided with idler wheels 11, and the first driving shaft 6 and the back plate driving arms 10 deflect together around the hinge points of the first driving shaft and the back plate driving arms. The bottom of the backboard 2 is provided with a linear guide rail 12 matched with the roller 11, wherein the linear guide rail 12 on the backboard 2 is of a groove-shaped structure, and the roller 11 is restrained in the groove to ensure linear movement and accurately contact with the bottom of the backboard 2; of course, the leg plate driving arm 28 with the same structure as the back plate driving arm 10 is also adopted for driving the thigh plate 3 to overturn, at this time, the straight line guide rail plate 37 is arranged on the thigh plate 3, the roller 11 on the leg plate driving arm 28 is positioned on one side of the straight line guide rail plate 37, the side plate of the straight line guide rail plate 37 limits one side of the roller 11, a certain guiding function can be realized, and of course, the bottom of the thigh plate 3 can also be directly arranged on the straight line guide rail 12 which is the same as the bottom of the back plate 2.
The first driving arm 17 is fixed on the first driving shaft 6, the first linear power device 18 is hinged between the first driving arm 17 and the bed frame, the first linear power device 18 is provided with a clutch 23, and in this embodiment, the first linear power device 18 and the second linear power device 27 are driven by adopting linear motors.
The first driving shaft 6 is further rotatably provided with a driven arm 19, the damper 20 is hinged between the driven arm 19 and the bedstead, the first driving shaft 6 is fixedly provided with a buffer force application sleeve 22, the buffer force application sleeve 22 is provided with a dumping buffer shifting block 221 and a reset shifting block 222 which are circumferentially spaced, the dumping buffer shifting block 221 is in squeezing contact with the driven arm 19 to compress the damper 20 when the backboard 2 is dumped, and the reset shifting block 222 is in squeezing contact with the driven arm 19 to enable the damper 20 to extend and reset when the backboard 2 is lifted and overturned.
As shown in fig. 5 and 6, the driven arm 19 includes two arm plates and a buffer matching plate portion connected between the two arm plates, one end of each of the two arm plates is sleeved between the first driving shaft 6, the other end of each of the two arm plates is hinged to one end of the damper 20, the buffer force application sleeve 22 is located between the two arm plates, the falling buffer shifting block 221 and the reset shifting block 222 are located at the periphery of the buffer force application sleeve 22, and two side surfaces of the buffer matching plate portion are respectively in squeeze-contact fit with the falling buffer shifting block 221 and the reset shifting block 222.
As shown in fig. 6, the first linear power device 18 drives the first driving shaft 6 and the back plate driving arm 10 to deflect, the first driving shaft 6 drives the buffer force application sleeve 22 to rotate relatively at the position of the first driving shaft when deflected, so that the back plate driving arm 10 pushes the back plate 2 to deflect, and meanwhile, the reset shifting block 222 can shift the buffer matching plate part of the buffer force application sleeve 22 to enable the damper 20 to extend and reset; as shown in fig. 5, when the backboard 2 is required to be put, the clutch 23 disconnects the power transmission of the first linear power device 18, so that the backboard 2 receives the gravity of the backboard and the pressure of the patient on the backboard 2 to be put down, the speed of putting down is high before the putting down buffer dial block 221 is not contacted with the buffer matching board part, and the putting down time is saved; and when the knock down buffer dial 221 contacts with the buffer mating plate portion, the damper 20 is compressed, and the damper 20 acts so that the knock down speed of the back plate 2 is slowed down to be horizontal.
As shown in fig. 1, fig. 2 and fig. 4, the turning mechanism of the back board 2 comprises two sets of back board 2 connecting rod mechanisms connected between the longitudinal beam 5 of the bedstead and the back board 2, each set of back board 2 connecting rod mechanism comprises a first hinge arm 8 and a second hinge arm 9, one ends of the first hinge arm 8 and the second hinge arm 9 are respectively hinged on the inner side of the longitudinal beam 5 of the bedstead, the other ends of the first hinge arm 8 and the second hinge arm 9 are respectively hinged on the bottom of the back board 2, connecting plates which are convenient for connecting the first hinge arm 8 and the second hinge arm 9 are arranged on the bottom of the back board, synchronous connecting shafts 7 are arranged between the connecting plates, the length of the first hinge arm 8 is longer than the size of the second hinge arm 9, and the position of the second hinge arm 9 is close to the middle bed board 1. By adopting the back plate 2 overturning mechanism, the back plate 2 can generate horizontal displacement when overturned, and as shown in fig. 1, the back plate 2 overturned can generate left displacement, so that the extrusion to the abdomen of a patient is reduced, and the comfort level is improved. Similarly, the thigh plate 3 adopts the same overturning structure, and can realize the abdomen decompression.
The self-buffering medical bed board assembly further comprises a light board placing device used for placing the light-transmitting board, the back board 2, the middle bed board 1, the thigh board 3 and the shank board 4 are all nonmetal boards, and the light-transmitting board is positioned above the leg board turnover mechanism, the back board 2 turnover mechanism and the supporting connecting rod mechanism when the back board 2, the thigh board 3 and the shank board 4 are laid down and laid down. The light plate placing device comprises a first placing beam 13 and a second placing beam which are arranged in parallel, the first placing beam 13 and the second placing beam are respectively fixed on the longitudinal beams 5 corresponding to the bedstead, and the first placing beam 13 and the second placing beam are both provided with a horizontal placing plate 131 for supporting the light-transmitting plate. The light-transmitting plate can be pulled out from one end, and can be directly taken out or placed above the horizontally placed plate 131 after the back plate 2 is deflected, so that the operation is more convenient.
The both ends that roof beam 13 and second were placed to the first roof beam of placing are all fixed on longeron 5 through connecting piece 15 and support connecting seat 16, the roof beam is placed to the first roof beam 13 and the second is placed to the second and is all provided with and places board 131 vertically side mounting groove 14 with the level, connecting piece 15 includes first connecting plate portion and second connecting plate portion, first connecting plate portion inserts in side mounting groove 14 and bolt fastening, second connecting plate portion and support connecting seat 16 bolt fastening, backplate 2 and shank board 4 are supported by support connecting seat 16 when the level is laid down. The support connection seat 16 is used for fixing the first placing beam 13 and the second placing beam, and is also used for supporting the backboard 2 and the shank board 4, so that the structure of the bed board assembly is simplified.
The leg plate turnover driving device and the backboard 2 turnover driving device are identical in structure, the leg plate turnover driving device comprises a third hinge arm 25 and a fourth hinge arm 26, the length of the third hinge arm 25 is longer than that of the fourth hinge arm 26, the leg plate turnover driving device comprises a second driving shaft 24, two leg plate driving arms 28 and a second linear power device 27, the second driving shaft 24 is provided with a second driving arm 30, the second linear power device 27 is hinged between the second driving arm 30 and the bedstead, the end part of the leg plate driving arm 28 is provided with a roller 11, the third hinge arm 25 comprises a first rod part and a second rod part which are arranged at an obtuse angle, the first rod part is hinged on the longitudinal beam 5, the length of the second rod part is longer than that of the first rod part and hinged at the bottom of the leg plate, and the roller 11 on the leg plate driving arm 28 is supported by the upper surface of the second rod part when the leg plate is horizontally placed. A backboard limiting plate 21 is arranged at one end, close to the second hinge arm 9, of the bottom of the backboard 2, and the backboard limiting plate 21 and the second hinge arm 9 are in limiting fit to limit the lifting and overturning angle of the backboard 2; the bottom of thigh board 3 is close to the one end of fourth articulated arm 26 and is provided with leg board limiting plate 31, the lift-up flip angle of leg board is restricted to leg board limiting plate 31 and fourth articulated arm 26 spacing cooperation.
Each hinge position of the medical bed is connected through a hinge shaft connecting structure, the hinge shaft connecting structure comprises a hinge bolt 32, a fixed sleeve 33 and a gasket 34, the fixed sleeve 33 is arranged on one of two deflection components which deflect relatively, the hinge bolt 32 is rotatably arranged in the fixed sleeve 33 and penetrates through the other deflection component, a gasket 34 is arranged between the two deflection components, a nut 35 is arranged on a threaded section of the hinge bolt 32 and locked, an oil hiding ring groove 36 is arranged on the hinge bolt 32, and the position of the oil hiding ring groove 36 is matched with the fixed sleeve 33. In this embodiment, the two deflection members for the relative deflection may be between the first hinge arm 8 and the frame, between the first hinge arm 8 and the back plate 2, etc., that is, the above-mentioned structure is adopted as long as the hinge point positions in this embodiment, and the oil-storing ring groove 36 can be used to prolong the lubrication time and ensure smooth long-time rotation.
As shown in fig. 4, the support link mechanism comprises two length-adjustable in-line hinges 29, one end of each in-line hinge 29 is hinged on the longitudinal beam 5 of the corresponding bed frame, and the other end is hinged on the bottom of the lower leg plate 4. The thigh board 3 overturns to drive the shank board 4 to overturne, and the length of the straight hinge 29 is adjustable, so that the overturning angle of the shank board 4 can be adjusted, and the comfort level is improved.
The clutch 23, the linear motor and the in-line hinge 29 in this embodiment are conventional technologies and structures, and will not be described in detail.
The above examples are merely illustrative of the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and various modifications and adaptations of the technical solution of the present invention should and are intended to fall within the scope of the present invention as defined in the claims.
Claims (9)
1. From buffering medical bed board subassembly, including bedstead, backplate, middle bed board, thigh board and shank board, middle bed board is fixed on the bedstead, its characterized in that: the back plate is hinged to the bedstead through a back plate turnover mechanism, the thigh plate is hinged to the bedstead through a leg plate turnover mechanism, a supporting connecting rod mechanism is hinged between the thigh plate and the thigh plate, a back plate turnover driving device for driving the back plate to turn is arranged between the back plate and the bedstead, a leg plate turnover driving device for driving the thigh plate to turn is arranged between the thigh plate and the bedstead, the medical bed further comprises a damper, the back plate turnover driving device comprises a first driving shaft, two back plate driving arms and a first linear power device, the two back plate driving arms are respectively hinged to the inner sides of corresponding longitudinal beams of the bedstead, the first driving shaft is connected to one ends of the two back plate driving arms, rollers are arranged at the other ends of the two back plate driving arms, a linear guide rail matched with the rollers is arranged at the bottom of the back plate, a first driving arm is fixed on the first driving shaft, the first linear power device is hinged between the first driving arm and the bedstead, the first linear power device is provided with a clutch, the first driving arm is rotatably provided with a driven arm, a reset pad is rotatably arranged on the first driving arm and the frame, a reset pad is arranged on the reset pad, and a reset pad is set on the reset pad, and a reset pad is placed on the reset pad; the driven arm comprises two arm plates and a buffer matching plate part connected between the two arm plates, one ends of the two arm plates are sleeved between the first driving shaft, the other ends of the two arm plates are hinged with one end of the damper, the buffer force application sleeve is positioned between the two arm plates, the dumping buffer shifting block and the reset shifting block are positioned on the periphery of the buffer force application sleeve, and two side surfaces of the buffer matching plate part are respectively in extrusion contact fit with the dumping buffer shifting block and the reset shifting block.
2. The self-buffering medical bed board assembly of claim 1, wherein: the back plate turnover mechanism comprises two sets of back plate connecting rod mechanisms connected between a longitudinal beam of the bedstead and the back plate, each set of back plate connecting rod mechanism comprises a first hinge arm and a second hinge arm, one ends of the first hinge arm and the second hinge arm are respectively hinged to the inner side of the longitudinal beam of the bedstead, the other ends of the first hinge arm and the second hinge arm are respectively hinged to the bottom of the back plate, the length of the first hinge arm is longer than the size of the second hinge arm, and the position of the second hinge arm is close to the middle bed plate.
3. The self-buffering medical bed board assembly of claim 2, wherein: the self-buffering medical bed board assembly further comprises a light board placing device used for placing the light-transmitting board, the back board, the middle bed board, the thigh board and the shank board are all non-metal boards, and the light-transmitting board is positioned above the leg board turnover mechanism, the back board turnover mechanism and the supporting connecting rod mechanism when the back board, the thigh board and the shank board are laid down and laid down.
4. The self-buffering medical bed board assembly of claim 3, wherein: the light plate placing device comprises a first placing beam and a second placing beam which are arranged in parallel, wherein the first placing beam and the second placing beam are respectively fixed on longitudinal beams corresponding to the bedstead, and the first placing beam and the second placing beam are both provided with a horizontal placing plate for supporting the light-transmitting plate.
5. The self-buffering medical bed board assembly of claim 4, wherein: the utility model discloses a girder, including girder, backplate, shank board, first connecting plate portion, first roof beam, second are placed the roof beam, first roof beam and second are placed the both ends of placing the roof beam and are all fixed on the longeron through connecting piece and support connecting seat, first roof beam and second are placed the roof beam and all are provided with and place board vertically side mounting groove with the level, the connecting piece includes first connecting plate portion and second connecting plate portion, first connecting plate portion inserts in the side mounting groove and bolt fastening, second connecting plate portion is fixed with support connecting seat bolt, backplate and shank board are supported by support connecting seat when the level falls down.
6. The self-buffering medical bed board assembly of claim 5, wherein: the leg board turnover driving device is identical to the backboard turnover driving device in structure, the leg board turnover driving device comprises a third hinge arm and a fourth hinge arm, the length of the third hinge arm is longer than that of the fourth hinge arm, the leg board turnover driving device comprises a second driving shaft, two leg board driving arms and a second linear power device, the end parts of the leg board driving arms are provided with idler wheels, the third hinge arm comprises a first rod part and a second rod part which are arranged at an obtuse angle with each other, the first rod part is hinged to a longitudinal beam, the length of the second rod part is longer than that of the first rod part and hinged to the bottom of the leg board, and the idler wheels on the leg board driving arms are supported by the upper surface of the second rod part when the leg board is horizontally arranged.
7. The self-buffering medical bed board assembly of claim 6, wherein: a backboard limiting plate is arranged at one end, close to the second hinge arm, of the bottom of the backboard, and the backboard limiting plate and the second hinge arm are in limiting fit to limit the lifting and overturning angle of the backboard; the bottom of thigh board is close to the one end of fourth articulated arm and is provided with leg board limiting plate, the lift-up flip angle of leg board is restricted in the spacing cooperation of leg board limiting plate and fourth articulated arm.
8. The self-buffering medical bed board assembly of claim 7, wherein: each hinge position of the medical bed is connected through a hinge shaft connecting structure, the hinge shaft connecting structure comprises a hinge bolt, a fixing sleeve, a gasket and a nut, the fixing sleeve is arranged on one of two deflection components which deflect relatively, the hinge bolt is rotatably arranged in the fixing sleeve and penetrates through the other deflection component, the gasket is arranged between the two deflection components, the nut is arranged on a threaded section of the hinge bolt and locked, an oil storage ring groove is arranged on the hinge bolt, and the position of the oil storage ring groove is matched with the fixing sleeve.
9. The self-buffering medical bed board assembly of any one of claims 1 to 8, wherein: the support link mechanism comprises two straight hinges with adjustable length, one end of each straight hinge is hinged on a longitudinal beam of the corresponding bedstead, and the other end of each straight hinge is hinged at the bottom of the calf plate.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811026655.0A CN108938251B (en) | 2018-09-04 | 2018-09-04 | Self-buffering medical bed board assembly |
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| CN201811026655.0A CN108938251B (en) | 2018-09-04 | 2018-09-04 | Self-buffering medical bed board assembly |
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| CN108938251B true CN108938251B (en) | 2024-01-09 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109662512A (en) * | 2019-02-18 | 2019-04-23 | 舒华体育股份有限公司 | Crane |
| CN111557821B (en) * | 2020-04-23 | 2022-04-05 | 中国人民解放军第四军医大学 | Lateral position spinal surgery position fixing equipment |
| CN112618238A (en) * | 2020-12-31 | 2021-04-09 | 河北万瑞医疗器械有限公司 | Sliding type backspacing structure of bed body |
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| CN108938251A (en) | 2018-12-07 |
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