CN109124894B - Medical stretcher based on rack used in medical field - Google Patents
Medical stretcher based on rack used in medical field Download PDFInfo
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- CN109124894B CN109124894B CN201810763839.9A CN201810763839A CN109124894B CN 109124894 B CN109124894 B CN 109124894B CN 201810763839 A CN201810763839 A CN 201810763839A CN 109124894 B CN109124894 B CN 109124894B
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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
- A61G1/00—Stretchers
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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
- A61G1/00—Stretchers
- A61G1/04—Parts, details or accessories, e.g. head-, foot-, or like rests specially adapted for stretchers
-
- 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
- A61G1/00—Stretchers
- A61G1/04—Parts, details or accessories, e.g. head-, foot-, or like rests specially adapted for stretchers
- A61G1/048—Handles
Abstract
The invention belongs to the technical field of stretchers, and particularly relates to a rack-based medical stretcher used in the medical field, which comprises support mechanisms, a stretcher plate, a driving mechanism and a driving plate, wherein the two support mechanisms are symmetrically arranged on two sides of the stretcher plate; the two driving mechanisms are arranged on the two supporting mechanisms; the connecting mechanism is arranged on the stretcher plate; when medical staff of the stretcher lift the stretcher to go up and down the stairs in the walking process, in order to prevent the medical staff from moving to the side surface of the stretcher to lift the stretcher due to the narrow stairs and further influence a patient, the stretcher designed by the invention solves the problems by driving the stretcher through the lifting of the middle position of the stretcher by the medical staff; meanwhile, the change of the gravity center of the stretcher caused by the movement of a patient is adapted by adjusting the driving point of the stretcher.
Description
Technical Field
The invention belongs to the technical field of stretchers, and particularly relates to a medical stretcher based on a rack, which is used in the medical field.
Background
Along with the development of science and technology, people's life is increasingly prosperous and prosperous, and medical equipment is also continuously improving, and medical equipment discovers its shortcoming and shortcoming in the use, then improves and innovates it, accords with people's demand more, uses convenient and fast more.
The stretcher is one of common equipment among the medical equipment, when the patient can not walk by oneself, suffer from inside serious injury, when fracture etc. can not acutely shake or move about, often need to adopt the stretcher to remove the patient, but the stretcher on the market is in the in-process of using, if medical personnel are when lifting the in-process that the stretcher was walked and going upstairs and downstairs, adopt the mode that both ends were lifted, the medical personnel of both ends are all hard very much, either lift or bow, and can produce the phenomenon of unevenness from top to bottom, in addition because the stair is narrow, medical personnel need change the position of lifting, and the change of position very easily causes centrobaric unstability, consequently to above-mentioned problem, need improve and innovate on the basis of former equipment, satisfy the demand in market.
The invention designs a medical stretcher based on a rack, which is used in the medical field, and solves the problems.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention discloses a medical stretcher based on a rack, which is used in the medical field and is realized by adopting the following technical scheme.
The utility model provides a medical stretcher based on rack that medical field used which characterized in that: the device comprises a supporting mechanism, a stretcher plate, a driving mechanism, a clamping plate, a mounting square groove, an annular guide groove, a connecting mechanism and an annular mounting groove, wherein the annular guide groove is formed in four side surfaces of the stretcher plate; two annular mounting grooves are symmetrically formed in the upper side surface and the lower side surface of the annular guide groove; two groups of clamping plates are symmetrically arranged in the two annular mounting grooves, and the clamping plates in the same group are uniformly distributed in the corresponding annular mounting grooves; the stretcher plate is provided with a mounting square groove; the two supporting mechanisms are symmetrically arranged on two sides of the stretcher plate; the two driving mechanisms are arranged on the two supporting mechanisms; the connecting mechanism is mounted on the stretcher plate.
The supporting mechanism comprises a trigger plate, a driving cylinder, an installation square block, a guide column, a trigger cone, a reset spring, a trigger rack, a limiting rack, a supporting plate, a guide hole, a guide installation block, a first gear, a gear shaft, a second gear, an avoidance groove, a square guide hole, a guide groove, a limiting groove, a square through groove, a rack groove, an installation square groove, a limiting plate and a tension spring, wherein the installation square groove is formed in the guide installation block; two symmetrical guide grooves are formed in the upper side face and the lower side face of the mounting square groove; one side of the mounting square groove is provided with a through limiting groove; one side surface of the mounting square block is provided with two vertically symmetrical square guide holes; the mounting block is internally provided with a mounting groove, and one side surface of the mounting groove is provided with a through rack groove; a square through groove is formed in the other side of the mounting groove; the mounting block is mounted on one side of the guide mounting block, two square guide holes formed in the mounting block are communicated with a mounting square groove formed in the guide mounting block, and a square through groove formed in the mounting block is communicated with the mounting square groove formed in the guide mounting block; the guide mounting block and the mounting square block are mounted on the stretcher plate through the matching of the guide mounting block and an annular guide groove formed in the stretcher plate; the supporting plate is provided with a through square hole; two ends of the supporting plate are respectively arranged on two side surfaces in an installation square groove formed on the guide installation block; the two guide posts are symmetrically arranged on the upper side surface and the lower side surface of the supporting plate; the end surface of the big end of the trigger cone is provided with a guide hole; the two trigger cones are respectively arranged on the upper side and the lower side of the supporting plate through the matching of the guide holes on the two trigger cones and the two guide columns; a reset spring is respectively arranged between the two trigger cones and the supporting plate, one end of the reset spring is arranged on the supporting plate, and the other end of the reset spring is arranged on the trigger cones; one end of each of the two limiting plates is respectively arranged at one end of each of the two trigger cones which is not provided with the guide hole, and the other end of each of the two limiting plates penetrates through the guide groove formed in the guide mounting block to be matched with the clamping plate arranged on the stretcher plate; two ends of the gear shaft are respectively arranged on the upper side surface and the lower side surface of the mounting groove formed on the mounting square block; the second gear is arranged at the upper end of the gear shaft; the first gear is arranged at the lower end of the gear shaft; the trigger rack is arranged on the mounting block through a rack groove formed in the mounting block, one end of the trigger rack is positioned in a mounting groove formed in the mounting block, and the trigger rack positioned in the mounting groove formed in the mounting block is meshed with the first gear; an extension spring is arranged between the trigger rack and one side surface of the mounting groove; one end of the limiting rack is arranged in an installation groove formed in the installation block and meshed with the second gear, and the other end of the limiting rack penetrates through a square through groove formed in the installation block, a square hole in the support plate and a limiting groove formed in the guide installation block; a square groove is formed on one side surface of the driving cylinder; an avoidance groove communicated with the square groove is formed in the outer circular surface of the driving cylinder; one ends of the two trigger plates are symmetrically arranged on the end surface of the square groove formed on the driving cylinder; the driving cylinder is arranged on the mounting square block through the matching of the square groove and the mounting square block; the other ends of the two trigger plates penetrate through square guide holes formed in the mounting square block to be matched with the two trigger cones; the trigger rack passes through an avoiding groove formed in the driving cylinder.
The connecting mechanism comprises an annular guide groove, an annular mounting groove, a driving plate, a guide support, a fourth gear, a connecting rack, a swinging groove, a support shaft, a guide square hole, a guide support lug and a belt, wherein the driving plate is provided with the swinging groove; the two driving plates are symmetrically arranged in an annular guide groove formed in the stretcher plate; the two driving plates are matched with the two limiting racks; one end of each connecting rack is respectively arranged in the swing grooves on the two driving plates through a revolute pair; one end of each support shaft is respectively arranged on the upper side surface and the lower side surface of the square mounting groove formed on the stretcher plate; the two fourth gears are respectively arranged on the two support shafts; smooth ends are arranged on the two fourth gears; the smooth ends of the two fourth gears are connected through a belt; the guide support is provided with two guide lugs; the two guide support lugs are provided with guide square holes; the two guide supports are respectively arranged on the two support shafts; the two connecting racks respectively penetrate through the guide square holes formed in the corresponding guide supports; the two connecting racks are respectively meshed with the two fourth gears; the two connecting racks are distributed in a vertically staggered manner.
The driving mechanism comprises a driving block, a strap, a belt and a driving hole, wherein the driving hole is formed in one side of the driving block; two braces are symmetrically arranged at two ends of the other side of the driving block; the lower side of the driving block is provided with a waistband; the driving block is arranged on the supporting mechanism through the matching of the driving hole and the driving cylinder in the corresponding supporting mechanism.
The diameter of the first gear is larger than that of the second gear.
As a further improvement of the present technology, the diameter of the first gear is twice the diameter of the second gear.
As a further improvement of the present technology, the return spring is a compression spring.
As a further improvement of the technology, the driving block is provided with an internal thread in a driving hole; the outer circular surface of the driving cylinder is provided with an external thread; the driving block is arranged on the driving cylinder in the corresponding supporting mechanism through the matching of the internal thread in the driving hole and the external thread on the driving cylinder in the corresponding supporting mechanism.
As a further improvement of the technology, the distance between two adjacent clamping plates in the clamping plates arranged on the stretcher plate is equal to the width of the limiting plate.
The invention is that the guide mounting block and the mounting block are mounted on the stretcher plate through the cooperation of the guide mounting block and the annular guide groove formed on the stretcher plate; two ends of the supporting plate are respectively arranged on two side surfaces in an installation square groove formed on the guide installation block; the two guide posts are symmetrically arranged on the upper side surface and the lower side surface of the supporting plate; the two trigger cones are respectively arranged on the upper side and the lower side of the supporting plate through the matching of the guide holes on the two trigger cones and the two guide columns; a return spring is respectively arranged between the two trigger cones and the supporting plate; one end of each of the two limiting plates is respectively arranged at one end of each of the two trigger cones which is not provided with the guide hole, and the other end of each of the two limiting plates penetrates through the guide groove formed in the guide mounting block to be matched with the clamping plate arranged on the stretcher plate; two ends of the gear shaft are respectively arranged on the upper side surface and the lower side surface of the mounting groove formed on the mounting square block; the second gear is arranged at the upper end of the gear shaft; the first gear is arranged at the lower end of the gear shaft; the trigger rack is arranged on the mounting block through a rack groove formed in the mounting block, and an extension spring is arranged between the trigger rack and one side face of the mounting groove; the trigger rack positioned in the mounting groove formed on the mounting block is meshed with the first gear; one end of the limiting rack is arranged in an installation groove formed in the installation block and meshed with the second gear, and the other end of the limiting rack penetrates through a square through groove formed in the installation block, a square hole in the support plate and a limiting groove formed in the guide installation block; one ends of the two trigger plates are symmetrically arranged on the end surface of the square groove formed on the driving cylinder; the driving cylinder is arranged on the mounting square block through the matching of the square groove and the mounting square block; the other ends of the two trigger plates penetrate through square guide holes formed in the mounting square block to be matched with the two trigger cones; the trigger rack penetrates through an avoiding groove formed in the driving cylinder; the diameter of the first gear is larger than that of the second gear; when the trigger rack moves towards the outer side of the mounting block, the trigger rack can drive the first gear to rotate; the first gear rotates to drive the gear shaft to rotate; the gear shaft rotates to drive the second gear to rotate; the second gear wheel rotates to drive the limit rack to move towards the side far away from the driving plate; so that the limit rack loses the constraint on the driving plate; when the driving cylinder moves towards one side of the stretcher plate, the driving cylinder drives the two trigger plates to move; the two trigger plates move to press the two corresponding trigger cones, so that the two trigger cones move towards one side provided with the supporting plate; the two trigger cones move to drive the two limiting plates to move towards the inner sides of the guide mounting blocks, so that the two limiting plates are separated from the constraint of the corresponding clamping plates; the reset spring plays a role in resetting the trigger cone; the diameter of the first gear is larger than that of the second gear, so that the effects of reducing speed and increasing torque are achieved; the function of the extension spring is to make the limit rack keep the constraint of the driving plate in the initial state.
The two driving plates are symmetrically arranged in an annular guide groove formed in the stretcher plate; the two driving plates are matched with the two limiting racks; one end of each connecting rack is respectively arranged in the swing grooves on the two driving plates through a revolute pair; one end of each support shaft is respectively arranged on the upper side surface and the lower side surface of the square mounting groove formed on the stretcher plate; the two fourth gears are respectively arranged on the two support shafts; smooth ends are arranged on the two fourth gears; the smooth ends of the two fourth gears are connected through a belt; the guide support is provided with two guide lugs; the two guide support lugs are provided with guide square holes; the two guide supports are respectively arranged on the two support shafts; the two connecting racks respectively penetrate through the guide square holes formed in the corresponding guide supports; the two connecting racks are respectively meshed with the two fourth gears; the two connecting racks are distributed in a vertically staggered manner; when one of the two driving plates moves, the driving plate drives the corresponding connecting rack to move; the movement of the connecting rack can enable the fourth gear to rotate; the fourth gear rotates to drive the other fourth gear to rotate through the belt; the other fourth gear rotates to enable the corresponding connecting rack to move; the connecting rack can drive the corresponding driving plate to move when moving; when one of the two driving plates moves, the other driving plate also moves; the guide support has the function of guiding the corresponding connecting rack, so that the connecting rack and the corresponding fourth gear are always in a meshed state.
Compared with the traditional stretcher technology, when medical personnel of the stretcher designed by the invention go up and down stairs in the process of lifting the stretcher to walk, the medical personnel at two sides are all positioned at the steps with the same height, so that the traditional lifting or bowing lifting condition of two ends can not occur; in addition, in order to prevent medical staff on the side from moving on the side due to the narrow stairs, the design of the steel rope can ensure that the moving amplitudes of the two sides are the same, and the balance of the stretcher is ensured to a certain extent, so the stretcher designed by the invention solves the problems by driving the stretcher by lifting the middle position of the stretcher by the medical staff.
Drawings
Fig. 1 is an external view of an entire part.
Fig. 2 is a schematic view of the overall component distribution.
Fig. 3 is a schematic diagram of a structure of a stretcher.
Fig. 4 is a schematic view of the distribution of the annular guide grooves.
Figure 5 is a card mounting schematic.
Fig. 6 is a schematic view of the attachment mechanism installation.
Fig. 7 is a schematic plan view of the support mechanism and drive mechanism in cooperation.
Fig. 8 is a schematic view of attachment rack installation.
Fig. 9 is a schematic view of the support mechanism and the drive mechanism in cooperation.
Fig. 10 is a schematic view of the drive mechanism.
FIG. 11 is a schematic view of the trigger cone installation.
Fig. 12 is a schematic view of the return spring installation.
Fig. 13 is a first gear mounting schematic.
Fig. 14 is a schematic view of trigger plate installation.
Fig. 15 is a schematic view of a guide mounting block configuration.
Fig. 16 is a schematic view of a check rack installation.
Fig. 17 is a schematic view of a guide support structure.
Number designation in the figures: 1. a support mechanism; 2. a stretcher board; 3. a drive mechanism; 4. clamping a plate; 5. installing a square groove; 7. a drive block; 8. a harness; 9. a waistband; 10. a drive aperture; 11. a trigger plate; 12. a drive cylinder; 13. installing a square block; 14. a guide post; 15. triggering a cone; 16. a return spring; 17. triggering the rack; 18. a limit rack; 19. a support plate; 20. a guide hole; 21. a guide mounting block; 22. a first gear; 23. a gear shaft; 24. a second gear; 25. an avoidance groove; 26. a square groove; 27. a square guide hole; 28. a guide groove; 29. a limiting groove; 30. a belt; 31. a square through groove; 32. a rack slot; 33. mounting grooves; 34. installing a square groove; 35. a limiting plate; 36. a connecting mechanism; 37. an annular guide groove; 38. an annular mounting groove; 39. a drive plate; 40. a guide support; 41. a fourth gear; 42. connecting the racks; 43. a swing groove; 45. a support shaft; 46. a guide square hole; 47. a guide lug; 48. a tension spring.
Detailed Description
As shown in fig. 1 and 2, it comprises a supporting mechanism 1, a stretcher plate 2, a driving mechanism 3, a clamping plate 4, a mounting square groove 5, an annular guide groove 37, a connecting mechanism 36 and an annular mounting groove 38, wherein as shown in fig. 3, the annular guide groove 37 is opened on four sides of the stretcher plate 2; as shown in fig. 4, two annular mounting grooves 38 are symmetrically formed on the upper and lower side surfaces of the annular guide groove 37; as shown in fig. 5, two groups of clamping plates 4 are symmetrically installed in the two annular installation grooves 38, and the clamping plates 4 located in the same group are uniformly distributed in the corresponding annular installation grooves 38; as shown in fig. 4, the stretcher plate 2 is provided with a mounting square groove 5; as shown in fig. 6, two support mechanisms 1 are symmetrically installed on both sides of the stretcher plate 2; the two driving mechanisms 3 are arranged on the two supporting mechanisms 1; the connecting mechanism 36 is mounted on the stretcher panel 2.
As shown in fig. 9 and 11, the support mechanism 1 includes a trigger plate 11, a driving cylinder 12, a mounting block 13, a guide post 14, a trigger cone 15, a return spring 16, a trigger rack 17, a limit rack 18, a support plate 19, a guide hole 20, a guide mounting block 21, a first gear 22, a gear shaft 23, a second gear 24, an avoidance groove 25, a square groove 26, a square guide hole 27, a guide groove 28, a limit groove 29, a square through groove 31, a rack groove 32, a mounting groove 33, a mounting square groove 34, a limit plate 35, and an extension spring 48, wherein as shown in fig. 15, the mounting square groove 34 is formed in the guide mounting block 21; two symmetrical guide grooves 28 are formed on the upper side surface and the lower side surface of the mounting square groove 34; one side of the mounting square groove 34 is provided with a through limiting groove 29; two square guide holes 27 which are symmetrical up and down are arranged on one side surface of the mounting block 13; an installation groove 33 is formed in the installation block 13, and a through rack groove 32 is formed in one side surface of the installation groove 33; the other side of the mounting groove 33 is provided with a square through groove 31; the mounting block 13 is mounted on one side of the guide mounting block 21, the two square guide holes 27 formed on the mounting block 13 are communicated with the mounting square groove 34 formed on the guide mounting block 21, and the square through groove 31 formed on the mounting block 13 is communicated with the mounting square groove 34 formed on the guide mounting block 21; as shown in fig. 2, the guide mounting block 21 and the mounting block 13 are mounted on the stretcher plate 2 by the cooperation of the guide mounting block 21 and the annular guide groove 37 opened on the stretcher plate 2; as shown in fig. 13, the support plate 19 has a through square hole; two ends of the supporting plate 19 are respectively arranged on two side surfaces in an installation square groove 34 formed on the guide installation block 21; as shown in fig. 16, two guide posts 14 are symmetrically installed on both upper and lower sides of the support plate 19; the end surface of the big end of the trigger cone 15 is provided with a guide hole 20; as shown in fig. 12, two trigger cones 15 are respectively mounted on the upper and lower sides of the supporting plate 19 through the cooperation of the guide holes 20 on the trigger cones and the two guide posts 14; as shown in fig. 11, a return spring 16 is respectively installed between the two trigger cones 15 and the supporting plate 19, one end of the return spring 16 is installed on the supporting plate 19, and the other end of the return spring 16 is installed on the trigger cone 15; as shown in fig. 16, one end of each of the two limit plates 35 is mounted at the end of the trigger cone 15 not provided with the guide hole 20, and the other end of each of the two limit plates 35 penetrates through the guide groove 28 formed in the guide mounting block 21 to be matched with the card board 4 mounted on the stretcher board 2; as shown in fig. 13, both ends of the gear shaft 23 are respectively installed on the upper and lower side surfaces of the installation groove 33 opened on the installation block 13; the second gear 24 is mounted on the upper end of the gear shaft 23; the first gear 22 is mounted on the lower end of the gear shaft 23; the trigger rack 17 is installed on the installation block 13 through a rack slot 32 formed on the installation block 13, one end of the trigger rack 17 is positioned in an installation slot 33 formed on the installation block 13, and the trigger rack 17 positioned in the installation slot 33 formed on the installation block 13 is meshed with the first gear 22; an extension spring 48 is arranged between the trigger rack 17 and one side surface of the mounting groove 33; one end of the limiting rack 18 is arranged in an installation groove 33 formed on the installation block 13 and is meshed with the second gear 24, and the other end of the limiting rack 18 penetrates through a square through groove 31 formed on the installation block 13, a square hole on the support plate 19 and a limiting groove 29 formed on the guide installation block 21; as shown in fig. 14, a square groove 26 is formed on one side surface of the driving cylinder 12; an avoidance groove 25 communicated with the square groove 26 is formed on the outer circular surface of the driving cylinder 12; one ends of the two trigger plates 11 are symmetrically arranged on the end surface of a square groove 26 formed on the driving cylinder 12; as shown in fig. 12, the driving cylinder 12 is mounted on the mounting block 13 through the fitting of the square groove 26 with the mounting block 13; the other ends of the two trigger plates 11 pass through a square guide hole 27 formed in the mounting block 13 to be matched with the two trigger cones 15; the trigger rack 17 passes through an escape slot 25 opened in the drive cylinder 12.
As shown in fig. 7, the connecting mechanism 36 includes an annular guide groove 37, an annular mounting groove 38, a driving plate 39, a guide support 40, a fourth gear 41, a connecting rack 42, a swinging groove 43, a support shaft 45, a guide square hole 46, a guide lug 47 and a belt 30, wherein as shown in fig. 8, the driving plate 39 is provided with the swinging groove 43; two driving plates 39 are symmetrically mounted in annular guide slots 37 opened in the stretcher plate 2; the two driving plates 39 are matched with the two limit racks 18; one ends of the two connecting racks 42 are respectively arranged in the swinging grooves 43 on the two driving plates 39 through revolute pairs; one ends of the two supporting shafts 45 are respectively arranged on the upper side surface and the lower side surface of the square mounting groove 5 formed on the stretcher plate 2; the two fourth gears 41 are respectively mounted on the two support shafts 45; both the fourth gears 41 have smooth ends thereon; the smooth ends of the two fourth gears 41 are connected by a belt 30; as shown in fig. 17, the guide support 40 has two guide lugs 47; the two guide lugs 47 are provided with guide square holes 46; the two guide supports 40 are respectively arranged on the two support shafts 45; the two connecting racks 42 respectively pass through guide square holes 46 formed in the corresponding guide supports 40; the two connecting racks 42 are respectively meshed with the two fourth gears 41; the two connecting racks 42 are distributed in a staggered manner.
As shown in fig. 10, the driving mechanism 3 includes a driving block 7, a strap 8, a belt 9, and a driving hole 10, wherein one side of the driving block 7 is provided with the driving hole 10; two braces 8 are symmetrically arranged at the two ends of the other side of the driving block 7; a waist belt 9 is arranged on the lower side of the driving block 7; the driving block 7 is mounted on the supporting mechanism 1 through the cooperation of the driving hole 10 and the driving cylinder 12 in the corresponding supporting mechanism 1.
The diameter of the first gear 22 is larger than the diameter of the second gear 24.
The diameter of the first gear 22 is twice the diameter of the second gear 24.
The return spring 16 is a compression spring.
The driving hole 10 opened on the driving block 7 is provided with internal thread; the outer circular surface of the driving cylinder 12 is provided with external threads; the drive block 7 is mounted on the drive cylinder 12 in the counter support 1 by means of the co-operation of an internal thread in the drive bore 10 and an external thread on the drive cylinder 12 in the counter support 1.
The distance between two adjacent card boards 4 among the card boards 4 mounted on the carrier board 2 is equal to the width of the stopper plate 35.
In summary, the following steps:
when medical staff of the stretcher lift the stretcher to go up and down the stairs in the walking process, in order to prevent the medical staff from moving to the side surface of the stretcher to lift the stretcher due to the narrow stairs and further influence a patient, the stretcher designed by the invention solves the problems by driving the stretcher through the lifting of the middle position of the stretcher by the medical staff; meanwhile, the change of the gravity center of the stretcher caused by the movement of a patient is adapted by adjusting the driving point of the stretcher.
The invention is that the guide mounting block 21 and the mounting block 13 are mounted on the stretcher board 2 by the cooperation of the guide mounting block 21 and the annular guide slot 37 opened on the stretcher board 2; two ends of the supporting plate 19 are respectively arranged on two side surfaces in an installation square groove 34 formed on the guide installation block 21; the two guide posts 14 are symmetrically arranged on the upper and lower side surfaces of the supporting plate 19; the two trigger cones 15 are respectively arranged at the upper side and the lower side of the supporting plate 19 through the matching of the guide holes 20 on the two trigger cones and the two guide columns 14; a return spring 16 is respectively arranged between the two trigger cones 15 and the supporting plate 19; one end of each of the two limit plates 35 is respectively installed at one end of each of the two trigger cones 15, which is not provided with the guide hole 20, and the other end of each of the two limit plates 35 penetrates through the guide groove 28 formed in the guide installation block 21 to be matched with the snap-gauge 4 installed on the stretcher plate 2; two ends of the gear shaft 23 are respectively arranged on the upper and lower side surfaces of an installation groove 33 formed on the installation block 13; the second gear 24 is mounted on the upper end of the gear shaft 23; the first gear 22 is mounted on the lower end of the gear shaft 23; the trigger rack 17 is arranged on the mounting block 13 through a rack slot 32 formed on the mounting block 13, and the trigger rack 17 positioned in a mounting slot 33 formed on the mounting block 13 is meshed with the first gear 22; an extension spring 48 is arranged between the trigger rack 17 and one side surface of the mounting groove 33; one end of the limiting rack 18 is arranged in an installation groove 33 formed on the installation block 13 and is meshed with the second gear 24, and the other end of the limiting rack 18 penetrates through a square through groove 31 formed on the installation block 13, a square hole on the support plate 19 and a limiting groove 29 formed on the guide installation block 21; one ends of the two trigger plates 11 are symmetrically arranged on the end surface of a square groove 26 formed on the driving cylinder 12; the driving cylinder 12 is arranged on the mounting block 13 through the matching of the square groove 26 and the mounting block 13; the other ends of the two trigger plates 11 pass through a square guide hole 27 formed in the mounting block 13 to be matched with the two trigger cones 15; the trigger rack 17 passes through an avoidance groove 25 formed in the driving cylinder 12; the diameter of the first gear 22 is greater than the diameter of the second gear 24; when the trigger rack 17 moves towards the outer side of the mounting block 13, the trigger rack 17 drives the first gear 22 to rotate; the first gear 22 rotates to drive the gear shaft 23 to rotate; the gear shaft 23 rotates to drive the second gear 24 to rotate; the second gear 24 rotates to drive the limit rack 18 to move towards the side far away from the driving plate 39; causing the check rack 18 to lose its hold on the drive plate 39; when the driving cylinder 12 moves towards one side of the stretcher plate 2, the driving cylinder 12 drives the two trigger plates 11 to move; the two trigger plates 11 move to press the corresponding two trigger cones 15, so that the two trigger cones 15 move towards the side where the supporting plate 19 is installed; the two trigger cones 15 move to drive the two limiting plates 35 to move towards the inner sides of the guide mounting blocks 21, so that the two limiting plates 35 are separated from the constraint of the corresponding clamping plates 4; the return spring 16 is used for returning the trigger cone 15; the diameter of the first gear 22 is larger than that of the second gear 24, so that the functions of speed reduction and torque increase are achieved; the tension spring 48 acts to keep the limit rack 18 captive to the drive plate 39 in the initial state.
The two driving plates 39 are symmetrically arranged in the annular guide groove 37 formed on the stretcher plate 2; the two driving plates 39 are matched with the two limit racks 18; one ends of the two connecting racks 42 are respectively arranged in the swinging grooves 43 on the two driving plates 39 through revolute pairs; one ends of the two supporting shafts 45 are respectively arranged on the upper side surface and the lower side surface of the square mounting groove 5 formed on the stretcher plate 2; the two fourth gears 41 are respectively mounted on the two support shafts 45; both the fourth gears 41 have smooth ends thereon; the smooth ends of the two fourth gears 41 are connected by a belt 30; the guide support 40 is provided with two guide lugs 47; the two guide lugs 47 are provided with guide square holes 46; the two guide supports 40 are respectively arranged on the two support shafts 45; the two connecting racks 42 respectively pass through guide square holes 46 formed in the corresponding guide supports 40; the two connecting racks 42 are respectively meshed with the two fourth gears 41; the two connecting racks 42 are distributed in a vertically staggered manner; when one of the two driving plates 39 moves, the driving plate 39 drives the corresponding connecting rack 42 to move; the movement of the connecting rack 42 causes the fourth gear 41 to rotate; the rotation of the fourth gear 41 drives another fourth gear 41 to rotate through the belt 30; the rotation of the other fourth gear 41 causes the corresponding connecting rack 42 to move; the movement of the connecting rack 42 drives the corresponding driving plate 39 to move; that is, when one of the two driving plates 39 moves, the other driving plate 39 also moves; the guide support 40 of the present invention is used for guiding the corresponding linking rack 42, so that the linking rack 42 and the corresponding fourth gear 41 are always engaged.
The specific implementation mode is as follows: when people use the stretcher designed by the invention, the limiting rack 18 has a limiting effect on the corresponding driving plate 39 in an initial state; the clamping block arranged on the stretcher plate 2 and the limiting plate 35 have a limiting function; before use, the medical staff wears the driving mechanism 3 through a back belt 8 and a waist belt 9 in the driving mechanism 3; when a patient lies on the stretcher plate 2, the trigger rack 17 is driven to enable the trigger rack 17 to move towards the outer side of the mounting block 13, and the first gear 22 is driven to rotate by the movement of the trigger rack 17; the first gear 22 rotates to drive the gear shaft 23 to rotate; the gear shaft 23 rotates to drive the second gear 24 to rotate; the second gear 24 rotates to drive the limit rack 18 to move towards the side far away from the driving plate 39; the limiting rack 18 loses the constraint on the driving plate 39, so that the supporting mechanism and the connecting mechanism are separated in transmission; then, when the driving cylinder 12 moves towards one side of the stretcher plate 2, the driving cylinder 12 drives the two trigger plates 11 to move; the two trigger plates 11 move to press the corresponding two trigger cones 15, so that the two trigger cones 15 move towards the side where the supporting plate 19 is installed; the two trigger cones 15 move to drive the two limiting plates 35 to move towards the inner sides of the guide mounting blocks 21, so that the two limiting plates 35 are separated from the constraint of the corresponding clamping plates 4, and the supporting mechanism is separated from the stretcher plate in a transmission way; at the moment, the movable driving mechanism 3 drives the supporting mechanism 1 to move through the driving mechanism 3 to adjust the contact position of the supporting mechanism 1 and the stretcher plate 2, so that the change of the gravity center of the stretcher for a patient lying on the stretcher is adapted; after the adjustment is completed, the trigger rack 17 is driven to enable the limiting rack 18 to limit the driving plate 39; when going upstairs and downstairs and going through a turn, the medical staff needs to change the position, and the medical staff extrudes the driving cylinder 12 at the moment, so that the two limiting plates 35 are separated from the constraint of the corresponding clamping plates 4; when one of the two medical staff needs to adjust the position to smoothly pass through the stair bend in the moving process, the medical staff can move the supporting mechanism 1 to adapt to the stretcher to pass through the bend; at the moment, in order to prevent one of the two medical staff from moving and to prevent the gravity center of the stretcher from changing to influence the patient, when one of the two medical staff moves, the other medical staff changes the position through the connecting mechanism at the same time, and then the stretcher is in a balanced state.
Claims (5)
1. The utility model provides a medical stretcher based on rack that medical field used which characterized in that: the device comprises a supporting mechanism, a stretcher plate, a driving mechanism, a clamping plate, a mounting square groove, an annular guide groove, a connecting mechanism and an annular mounting groove, wherein the annular guide groove is formed in four side surfaces of the stretcher plate; two annular mounting grooves are symmetrically formed in the upper side surface and the lower side surface of the annular guide groove; two groups of clamping plates are symmetrically arranged in the two annular mounting grooves, and the clamping plates in the same group are uniformly distributed in the corresponding annular mounting grooves; the stretcher plate is provided with a mounting square groove; the two supporting mechanisms are symmetrically arranged on two sides of the stretcher plate; the two driving mechanisms are arranged on the two supporting mechanisms; the connecting mechanism is arranged on the stretcher plate;
the supporting mechanism comprises a trigger plate, a driving cylinder, an installation square block, a guide column, a trigger cone, a reset spring, a trigger rack, a limiting rack, a supporting plate, a guide hole, a guide installation block, a first gear, a gear shaft, a second gear, an avoidance groove, a square guide hole, a guide groove, a limiting groove, a square through groove, a rack groove, an installation square groove, a limiting plate and a tension spring, wherein the installation square groove is formed in the guide installation block; two symmetrical guide grooves are formed in the upper side face and the lower side face of the mounting square groove; one side of the mounting square groove is provided with a through limiting groove; one side surface of the mounting square block is provided with two vertically symmetrical square guide holes; the mounting block is internally provided with a mounting groove, and one side surface of the mounting groove is provided with a through rack groove; a square through groove is formed in the other side of the mounting groove; the mounting block is mounted on one side of the guide mounting block, two square guide holes formed in the mounting block are communicated with a mounting square groove formed in the guide mounting block, and a square through groove formed in the mounting block is communicated with the mounting square groove formed in the guide mounting block; the guide mounting block and the mounting square block are mounted on the stretcher plate through the matching of the guide mounting block and an annular guide groove formed in the stretcher plate; the supporting plate is provided with a through square hole; two ends of the supporting plate are respectively arranged on two side surfaces in an installation square groove formed on the guide installation block; the two guide posts are symmetrically arranged on the upper side surface and the lower side surface of the supporting plate; the end surface of the big end of the trigger cone is provided with a guide hole; the two trigger cones are respectively arranged on the upper side and the lower side of the supporting plate through the matching of the guide holes on the two trigger cones and the two guide columns; a reset spring is respectively arranged between the two trigger cones and the supporting plate, one end of the reset spring is arranged on the supporting plate, and the other end of the reset spring is arranged on the trigger cones; one end of each of the two limiting plates is respectively arranged at one end of each of the two trigger cones which is not provided with the guide hole, and the other end of each of the two limiting plates penetrates through the guide groove formed in the guide mounting block to be matched with the clamping plate arranged on the stretcher plate; two ends of the gear shaft are respectively arranged on the upper side surface and the lower side surface of the mounting groove formed on the mounting square block; the second gear is arranged at the upper end of the gear shaft; the first gear is arranged at the lower end of the gear shaft; the trigger rack is arranged on the mounting block through a rack groove formed in the mounting block, one end of the trigger rack is positioned in a mounting groove formed in the mounting block, and the trigger rack positioned in the mounting groove formed in the mounting block is meshed with the first gear; an extension spring is arranged between the trigger rack and one side surface of the mounting groove; one end of the limiting rack is arranged in an installation groove formed in the installation block and meshed with the second gear, and the other end of the limiting rack penetrates through a square through groove formed in the installation block, a square hole in the support plate and a limiting groove formed in the guide installation block; a square groove is formed on one side surface of the driving cylinder; an avoidance groove communicated with the square groove is formed in the outer circular surface of the driving cylinder; one ends of the two trigger plates are symmetrically arranged on the end surface of the square groove formed on the driving cylinder; the driving cylinder is arranged on the mounting square block through the matching of the square groove and the mounting square block; the other ends of the two trigger plates penetrate through square guide holes formed in the mounting square block to be matched with the two trigger cones; the trigger rack penetrates through an avoiding groove formed in the driving cylinder;
the connecting mechanism comprises an annular guide groove, an annular mounting groove, a driving plate, a guide support, a fourth gear, a connecting rack, a swinging groove, a support shaft, a guide square hole, a guide support lug and a belt, wherein the driving plate is provided with the swinging groove; the two driving plates are symmetrically arranged in an annular guide groove formed in the stretcher plate; one end of each connecting rack is respectively arranged in the swing grooves on the two driving plates through a revolute pair; one end of each support shaft is respectively arranged on the upper side surface and the lower side surface of the square mounting groove formed on the stretcher plate; the two fourth gears are respectively arranged on the two support shafts; smooth ends are arranged on the two fourth gears; the smooth ends of the two fourth gears are connected through a belt; the guide support is provided with two guide lugs; the two guide support lugs are provided with guide square holes; the two guide supports are respectively arranged on the two support shafts; the two connecting racks respectively penetrate through the guide square holes formed in the corresponding guide supports; the two connecting racks are respectively meshed with the two fourth gears; the two connecting racks are distributed in a vertically staggered manner;
the driving mechanism comprises a driving block, a strap, a belt and a driving hole, wherein the driving hole is formed in one side of the driving block; two braces are symmetrically arranged at two ends of the other side of the driving block; the lower side of the driving block is provided with a waistband; the driving block is arranged on the supporting mechanism through the matching of the driving hole and the driving cylinder in the corresponding supporting mechanism;
the diameter of the first gear is larger than that of the second gear.
2. The medical rack-based stretcher for use in medical field of claim 1, wherein: the diameter of the first gear is twice that of the second gear.
3. The medical rack-based stretcher for use in medical field of claim 1, wherein: the return spring is a compression spring.
4. The medical rack-based stretcher for use in medical field of claim 1, wherein: the driving hole on the driving block is provided with an internal thread; the outer circular surface of the driving cylinder is provided with an external thread; the driving block is arranged on the driving cylinder in the corresponding supporting mechanism through the matching of the internal thread in the driving hole and the external thread on the driving cylinder in the corresponding supporting mechanism.
5. The medical rack-based stretcher for use in medical field of claim 1, wherein: the distance between two adjacent clamping plates in the clamping plates arranged on the stretcher plate is equal to the width of the limiting plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810763839.9A CN109124894B (en) | 2018-07-12 | 2018-07-12 | Medical stretcher based on rack used in medical field |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810763839.9A CN109124894B (en) | 2018-07-12 | 2018-07-12 | Medical stretcher based on rack used in medical field |
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| Publication Number | Publication Date |
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| CN109124894A CN109124894A (en) | 2019-01-04 |
| CN109124894B true CN109124894B (en) | 2020-10-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810763839.9A Active CN109124894B (en) | 2018-07-12 | 2018-07-12 | Medical stretcher based on rack used in medical field |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5466040A (en) * | 1994-01-27 | 1995-11-14 | Fainsztein; Henry | High rise evacuation chair |
| CN201019931Y (en) * | 2006-10-13 | 2008-02-13 | 曹秉华 | Stretcher |
| CN201094701Y (en) * | 2007-10-05 | 2008-08-06 | 顾佩青 | Mountain land stretcher |
| CN104958146A (en) * | 2015-06-12 | 2015-10-07 | 张玉如 | Balance stretcher |
| CN204971915U (en) * | 2015-07-17 | 2016-01-20 | 张春 | Make things convenient for stretcher of corridor transport |
| CN206239609U (en) * | 2016-08-30 | 2017-06-13 | 北京拉酷网络科技有限公司 | A kind of Self-balancing stretcher |
| CN206880789U (en) * | 2017-02-07 | 2018-01-16 | 王和舒琦 | Self-balancing stretcher |
-
2018
- 2018-07-12 CN CN201810763839.9A patent/CN109124894B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5466040A (en) * | 1994-01-27 | 1995-11-14 | Fainsztein; Henry | High rise evacuation chair |
| CN201019931Y (en) * | 2006-10-13 | 2008-02-13 | 曹秉华 | Stretcher |
| CN201094701Y (en) * | 2007-10-05 | 2008-08-06 | 顾佩青 | Mountain land stretcher |
| CN104958146A (en) * | 2015-06-12 | 2015-10-07 | 张玉如 | Balance stretcher |
| CN204971915U (en) * | 2015-07-17 | 2016-01-20 | 张春 | Make things convenient for stretcher of corridor transport |
| CN206239609U (en) * | 2016-08-30 | 2017-06-13 | 北京拉酷网络科技有限公司 | A kind of Self-balancing stretcher |
| CN206880789U (en) * | 2017-02-07 | 2018-01-16 | 王和舒琦 | Self-balancing stretcher |
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| Publication number | Publication date |
|---|---|
| CN109124894A (en) | 2019-01-04 |
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