CN109363874B - Rescue bed capable of relieving pressure - Google Patents
Rescue bed capable of relieving pressure Download PDFInfo
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- CN109363874B CN109363874B CN201811279050.2A CN201811279050A CN109363874B CN 109363874 B CN109363874 B CN 109363874B CN 201811279050 A CN201811279050 A CN 201811279050A CN 109363874 B CN109363874 B CN 109363874B
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- 230000007246 mechanism Effects 0.000 claims abstract description 38
- 238000003756 stirring Methods 0.000 claims 2
- 238000000034 method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- 239000003921 oil Substances 0.000 description 4
- 230000001960 triggered effect Effects 0.000 description 4
- 230000001105 regulatory effect Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 2
- 238000007790 scraping Methods 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 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
- A61G13/00—Operating tables; Auxiliary appliances therefor
- A61G13/02—Adjustable operating tables; Controls therefor
- A61G13/04—Adjustable operating tables; Controls therefor tiltable around transverse or longitudinal axis
-
- 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
- A61G1/02—Stretchers with wheels
-
- 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
- A61G13/00—Operating tables; Auxiliary appliances therefor
- A61G13/10—Parts, details or accessories
- A61G13/104—Adaptations for table mobility, e.g. arrangement of wheels
-
- 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
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Nursing (AREA)
- Invalid Beds And Related Equipment (AREA)
Abstract
The invention provides a pressure-releasing rescue bed, and relates to the technical field of medical equipment. The device comprises a bed body, a base and two hydraulic cylinders, wherein the bases of the two hydraulic cylinders are respectively connected with the base, the driving rods of the two hydraulic cylinders are respectively connected with the bed body, and the device also comprises a pressure release mechanism and a pressurizing mechanism, wherein the pressurizing mechanism is arranged on the base and is used for triggering pressurizing switches of the two hydraulic cylinders simultaneously to realize the lifting of the bed body; the two pressure release mechanisms are matched with the two hydraulic cylinders one by one, and each pressure release mechanism comprises a pressure release foot pedal rod and a pressure release rod; the pressure release foot rest lever is rotatably arranged on the base, the pressure release lever is connected with the pressure release foot rest lever, and the pressure release lever triggers or is far away from a pressure release switch of the hydraulic cylinder along with the rotation of the pressure release foot rest lever. The pressure-releasing rescue bed provided by the invention can be used as a common sickbed or a stretcher, and can be adjusted to be in an inclined state with one high end and one low end, so that the pressure-releasing rescue bed is various in variation and high in applicability.
Description
Technical Field
The embodiment of the invention relates to the technical field of medical equipment, in particular to a rescue bed capable of relieving pressure.
Background
The rescue bed is widely applied to the medical care field of hospitals at all levels, and is a necessary medical care device for hospitals. At present, the stand-by stretcher in the ambulance in the hospital is low in height, so that medical staff can conveniently transfer patients to the rescue bed, and can conveniently lift the patients into the ambulance, and the whole process mainly depends on manpower, so that the conveying difficulty is high; after entering the ambulance, the patient on the stretcher needs to be transferred to a higher bed body or the stretcher is placed on the bed body with a certain height so that medical staff can take emergency measures, and after the patient reaches a hospital, the patient needs to be transferred from the bed to the hospital medical vehicle again to enter an emergency room for emergency treatment, and in the process of moving the patient back and forth to exchange a sickbed, secondary injury is easily caused to the patient, and trouble is brought to rescue work. In addition, during the emergency treatment process, it is often necessary to detect the patient to determine the cause of the disease, and during certain medical detection processes, it is necessary for the patient to take a special position, and for this reason, the patient emergency treatment system cannot meet a series of special requirements of the patient with a purely height-adjustable medical bed.
Disclosure of Invention
First, the technical problem to be solved
The invention aims to provide a pressure-releasing rescue bed which is adjustable in height and can be in an inclined state for medical detection conveniently.
(II) technical scheme
In order to solve the technical problems, the invention provides a pressure-relieving rescue bed, which comprises a bed body, a base and two hydraulic cylinders, wherein the bases of the two hydraulic cylinders are respectively connected with the base, driving rods of the two hydraulic cylinders are respectively connected with the bed body, and the pressure-relieving rescue bed also comprises a pressure-relieving mechanism and a pressure-increasing mechanism, wherein the pressure-increasing mechanism is arranged on the base and is used for triggering pressure-increasing switches of the two hydraulic cylinders simultaneously to realize the lifting of the bed body; the two pressure release mechanisms are matched with the two hydraulic cylinders one by one, and each pressure release mechanism comprises a pressure release foot rest rod and a pressure release rod; the pressure relief pedal rod is rotatably arranged on the base, the pressure relief rod is connected with the pressure relief pedal rod, and the pressure relief rod triggers or is far away from a pressure relief switch of the hydraulic cylinder along with the rotation of the pressure relief pedal rod.
The pressure relief mechanism further comprises a shaft sleeve, the pressure relief pedal rod is rotatably installed in the shaft sleeve, a mounting lug is arranged outside the shaft sleeve, and the mounting lug is fixedly connected with the base through a bolt.
Each pressure relief pedal rod is fixedly provided with a supporting lug, and the pressure relief rods are fixedly arranged on the supporting lugs; and an elastic piece connected with the base is arranged on the supporting lugs.
The base is provided with a limit groove, and the support lugs are contained in the limit groove and can move back and forth along the length direction of the bed body in the limit groove.
The pressure relief pedal rods are arranged in parallel, a pedal plate is respectively arranged at the corresponding ends of the two pressure relief pedal rods, and a fixed mounting hole for fixedly connecting one of the pressure relief pedal rods and a movable mounting hole for being in movable fit with the other pressure relief pedal rod are arranged on the pedal plate.
The pressure release mechanism further comprises a guide tube, the guide tube is fixedly arranged on the base, and the pressure release rod is inserted into the guide tube and can move along the axial direction of the guide tube.
The pressure release mechanism further comprises a triggering unit, the triggering unit comprises a height adjusting piece and a triggering piece, the height adjusting piece is installed at one end, close to the hydraulic cylinder, of the pressure release rod through an adjusting bolt, and the height adjusting piece extends to the ground or the bed body; the trigger piece is installed on the height adjusting piece, and the extending direction of the trigger piece is consistent with the extending direction of the pressure release rod.
The base comprises two longitudinal beams arranged along the length direction of the bed body and two cross beams connected with corresponding ends of the two longitudinal beams, the end parts of each cross beam extend outwards from the longitudinal beams, and each end of each cross beam is provided with a trundle.
The supercharging mechanism comprises a supercharging pedal rod, the supercharging pedal rod is rotatably arranged on the base, the pressing part is fixedly arranged on the supercharging pedal rod, the push rod is slidably arranged on the base, two ends of the push rod are respectively provided with a pressing part, and the pressing part pushes the push rod to slide along with the rotation of the supercharging pedal rod, so that the pressing parts trigger the supercharging switches of the two hydraulic cylinders.
Wherein, the pressure boost pedal pole is bow-shaped, install a pressure boost pedal respectively in pressure boost pedal pole's both ends.
(III) beneficial effects
According to the pressure-releasing rescue bed provided by the invention, the two pressurizing switches can be triggered simultaneously through the pressurizing mechanism, so that the height of the whole rescue bed is raised; the pressure release foot rest lever rotates relative to the base under the action of external force to drive the pressure release lever arranged on the foot rest lever to move to trigger the pressure release switch of the hydraulic cylinder, so that the driving lever is retracted to reduce the height of the bed body; the two pressure release mechanisms can trigger the two pressure release switches simultaneously to reduce the overall height of the bed body, and can trigger only one pressure release switch to enable the rescue bed to be in a state with one high end and one low end; therefore, the pressure-releasing rescue bed in the embodiment of the invention can be used as a common sickbed or a stretcher, and can be adjusted to be in an inclined state with one end high and one end low, so that the special position requirement of a special examination item is met.
Drawings
FIG. 1 is a perspective view of a base and a hydraulic cylinder in a pressure-releasable ambulance cot according to an embodiment of the present invention;
FIG. 2 is an enlarged view of the pressure relief mechanism in the pressure releasable ambulance cot shown in FIG. 1;
FIG. 3 is an enlarged view of the pressure-releasable ambulance cot shown in FIG. 1 at a pressure release foot;
FIG. 4 is a perspective view of the relief lever shown in FIG. 1;
FIG. 5 is an exploded view of the pressure relief lever and pressure relief pedal shown in FIG. 1;
FIG. 6 is a schematic view of a pressure-releasing rescue bed according to an embodiment of the present invention;
fig. 7 is a schematic structural diagram of a pressure-releasing rescue bed according to an embodiment of the present invention.
In the figure: 10. a bed body; 20. a base; 21. a limit groove; 22. a longitudinal beam; 23. a cross beam; 30. a hydraulic cylinder; 31. a pressure release switch; 32. a boost switch; 40. a pressurizing mechanism; 41. a booster foot lever; 42. a toggle member; 43. a pressing member; 44. a push rod; 45. boosting foot pedal; 50. a pressure release mechanism; 51. a pressure relief foot pedal lever; 52. a pressure release lever; 53. a shaft sleeve; 54. a mounting ear; 55. a support lug; 56. an elastic member; 57. a foot pedal; 571. fixing the mounting hole; 572. a movable mounting hole; 58. a guide tube; 59. a trigger unit; 591. a height adjusting member; 592. a trigger; 60. casters.
Detailed Description
The following describes in further detail the embodiments of the present invention with reference to the drawings and examples. The following examples are illustrative of the invention and are not intended to limit the scope of the invention.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
As shown in fig. 1-3, the pressure-releasing rescue bed in the embodiment of the present invention includes a bed body 10, a base 20, two hydraulic cylinders 30, a pressurizing mechanism 40 and a pressure releasing mechanism 50; wherein, the base of the hydraulic cylinder 30 is fixedly arranged on the base 20, and the driving rod of the hydraulic cylinder 30 is connected with the bed body 10; the hydraulic cylinder 30 comprises a pressure release switch 31 for controlling the retraction of the driving rod and a pressure boost switch 32 for controlling the extension of the driving rod; the pressurizing mechanism 40 is mounted on the base 20, and is used for triggering the two pressurizing switches 32 simultaneously, so as to drive the bed body 10 to move upwards, and adjust the overall height of the whole rescue bed. The pressure release mechanism 50 includes a pressure release foot lever 51 and a pressure release lever 52, the pressure release foot lever 51 is rotatably mounted on the base 20, the pressure release lever 52 is connected to the pressure release foot lever 51, and the pressure release lever 52 triggers or is far away from the pressure release switch 31 of the hydraulic cylinder 30 along with the rotation of the pressure release foot lever 51. In the embodiment of the invention, two pressure release mechanisms 50 are provided, one pressure release mechanism 50 controls one hydraulic cylinder 30, and the two pressure release mechanisms 50 are matched with the two hydraulic cylinders 30 one by one to realize the independent control of the two hydraulic cylinders 30.
The pressure-releasing rescue bed in the embodiment of the invention can trigger the two pressure-increasing switches 32 simultaneously through the pressure-increasing mechanism 40, so that the height of the whole rescue bed is raised, and when the driving rods of the two hydraulic cylinders 30 are positioned in the maximum driving stroke, the height of the rescue bed is highest, as shown in fig. 6; when the height of the rescue bed is higher, an external force is applied to the pressure relief foot rest rod 51 to enable the pressure relief foot rest rod 51 to rotate relative to the base 20, so that the pressure relief rod 52 arranged on the pressure relief foot rest rod 51 is driven to move to trigger the pressure relief switch 31 of one hydraulic cylinder 30, the hydraulic cylinder 30 is used for pressure relief, the driving rod is retracted, and at the moment, the height of the bed body 10 is reduced; if only the pressure release switch 31 of one hydraulic cylinder 30 is triggered, the rescue bed is in a state that one end is high and one end is low, so that the medical staff can conveniently detect the electrocardio of a patient or other patients needing special positions, and if the two pressure release switches 31 are triggered simultaneously, the height of the rescue bed is wholly lowered, and the rescue bed can be used as a low stretcher as shown in fig. 7. From the analysis, the pressure-releasing rescue bed in the embodiment of the invention can be used as a common sickbed or a stretcher, and the height of the rescue bed can be adjusted; meanwhile, the pressure-releasing rescue bed can be adjusted to be in an inclined state that one end is high and the other end is low, and the special position requirement of a special examination item is met. Compared with the traditional rescue bed, the pressure-releasing rescue bed in the embodiment of the invention has various changes and strong applicability, and can effectively avoid the damage to patients caused by back and forth bed replacement in the emergency process.
In order to realize the rotation connection of the pressure relief foot rest lever 51 and the base 20, the pressure relief mechanism 50 further comprises a shaft sleeve 53, the pressure relief foot rest lever 51 is rotatably arranged in the shaft sleeve 53, a mounting lug 54 is arranged outside the shaft sleeve 53, and the mounting lug 54 is fixedly connected with the base 20 through a bolt. In order to realize good lubrication and avoid scraping and rubbing of surrounding parts when the pressure relief foot rest rod 51 rotates, the shaft sleeve 53 in the embodiment of the invention comprises a plastic shaft sleeve and an oil sleeve inserted in the plastic shaft sleeve, and the pressure relief foot rest rod 51 rotates in the oil sleeve, wherein the lubrication degree of the oil sleeve is high, so that the pressure relief foot rest rod 51 can smoothly rotate, the plastic shaft sleeve plays a role in buffering and isolating, the scraping and rubbing in the rotating process can be avoided, and the lubricating oil in the oil sleeve can be isolated from contaminating other parts. In addition, in order to improve the stability of the installation, there are two mounting lugs 54, and the two mounting lugs 54 are symmetrically disposed about the central axis of the sleeve 53.
Specifically, each pressure release foot pedal rod 51 is fixedly provided with a support lug 55, and the pressure release rod 52 is fixedly arranged on the support lug 55; the pressure release foot lever 51 extends along the width direction of the rescue bed, and the pressure release lever 52 is provided along the length direction of the rescue bed. Wherein, the end of the pressure release rod 52 connected with the pressure release foot rest rod 51 is flat, and the support lug 55 is fixedly connected with the flat end through a bolt, thereby fixedly connecting the pressure release foot rest rod 51 and the pressure release rod 52 together.
When pressure is applied to the pressure release foot rest lever 51, the pressure release lever 52 is driven to move, and in order to realize automatic resetting of the pressure release foot rest lever 51, an elastic member 56 connected with the base 20 is mounted on the support lug 55. The elastic member 56 is a tension spring or a common spring, and has one end mounted on the support lug 55 and the other end mounted on the base 20. When the pressure release foot rest lever 51 is in a natural state, the tension spring or the common spring is not compressed or stretched, when the pressure release foot rest lever 51 is applied with pressure, the pressure release foot rest lever 51 rotates to drive the elastic piece 56 to stretch, and when the pressure release operation is completed by removing the pressure of the pressure release foot rest lever 51, the elastic piece 56 rebounds to drive the pressure release foot rest lever 51 to automatically reset. The elastic member 56 may be directly attached to the pressure release foot rest 51, and is not limited to being connected to the pressure release foot rest 51 via the lugs 55. It should be noted that, the elastic member 56 may be directly connected to the base 20, or a fixing frame may be fixedly mounted on the base 20, so that the elastic member 56 is connected to the base 20 through the fixing frame. The elastic piece 56 can form a certain included angle with the horizontal plane in the rebound direction by arranging the fixing frame, so that interference with other structures on the base 20 is avoided; the fixing frame may be installed on a side of the base 20 facing the ground or on a side of the base 20 facing the bed body 10, which is not particularly limited.
In order to limit the forward and backward movement amplitude of the pressure release lever 52, the base 20 is provided with a limit groove 21, and the support lug 55 is accommodated in the limit groove 21 and can move back and forth along the length direction of the rescue bed in the limit groove 21. Specifically, the base 20 is fixedly provided with a group of limit rods, the two limit rods are parallel to each other, and a gap formed in the group of limit rods is the limit groove 21. In addition, the base 20 may be directly provided with a groove, so long as the lugs 55 can move back and forth in the groove in a small extent under the driving of the pressure release foot lever 51.
The two pressure release foot rest levers 51 are arranged in parallel, the corresponding ends of the two pressure release foot rest levers 51 are respectively provided with a foot pedal 57, and under the action of external force, only one pressure release foot rest lever 51 can be driven to rotate or simultaneously drive the two pressure release foot rest levers 51 to simultaneously move by adjusting the force application direction through the foot pedal 57. Preferably, the pressure relief foot bar 51 is arcuate. Specifically, as shown in fig. 5, each foot pedal 57 is provided with a fixed mounting hole 571 and a movable mounting hole 572, wherein the aperture of the fixed mounting hole 571 is identical to the outer diameter of the pressure release foot pedal rod 51, the movable mounting hole 572 is a waist-shaped hole, and the waist-shaped hole extends along the length direction of the bed body 10, and the width of the waist-shaped hole is identical to the rod diameter of the pressure release foot pedal rod 51; one end of the pressure release foot rest lever 51 is inserted and fixed in a fixed mounting hole 571 on one foot rest 57, the other end is movably mounted in a movable mounting hole 572 of the other foot rest 57, and only one pressure release foot rest lever 51 is fixedly mounted on each foot rest 57. When an external force acts on one pedal 57 in an inclined manner, the pressure release pedal rod 51 fixedly installed on the pedal 57 is inserted to drive the pressure release rod 52 to trigger the pressure release switch 31 on one hydraulic cylinder 30 to release pressure, and at the moment, the other pressure release pedal rod 51 slides up and down in the movable mounting hole 572 and does not rotate, so that one end of the rescue bed is high and the other end is low, and the rescue bed is in an inclined state. When an external force vertically acts on one pedal 57, the two pressure release pedal rods 51 are simultaneously driven to trigger the two hydraulic cylinders 30 to release pressure simultaneously, and the overall height of the rescue bed is adjusted.
In addition, in order to define the driving direction of the pressure release lever 52, the pressure release mechanism 50 further includes a guide tube 58, the guide tube 58 being fixedly mounted on the base 20, and the pressure release lever 52 being inserted into the guide tube 58 and being movable in the axial direction of the guide tube 58. The rotation of the pressure release foot lever 51 is converted into linear motion of the pressure release lever 52 by the guide tube 58.
For accurate triggering of the pressure release switch 31, the pressure release mechanism 50 further comprises a triggering unit 59, and the triggering unit 59 is mounted at an end of the pressure release lever 52 close to the hydraulic cylinder 30. As shown in fig. 4, the triggering unit 59 includes a height adjusting member 591 and a triggering member 592, wherein the height adjusting member 591 is mounted at an end of the pressure release lever 52 by an adjusting bolt, the height adjusting member 591 extends toward the ground or the bed 10, the triggering member 592 is mounted on the height adjusting member 591, and a distance between the end of the triggering member 592 and the pressure release switch 31 can be adjusted. Because the setting positions of the pressure release switches 31 on the hydraulic cylinders 30 with different specifications are different, the matching relation between the pressure release lever 52 and the pressure release switches 31 with different heights can be regulated by arranging the height regulating piece 591, in addition, the height regulating piece 591 can also avoid the interference between the triggering end and other parts, so that the installation of the pressure release mechanism 50 is more random.
Specifically, in the embodiment of the present invention, the height adjusting member 591 is provided with a through hole and a screw hole, the through hole is perpendicular to the hole axis of the screw hole, the screw hole is communicated with the through hole, the pressure release rod 52 is inserted into the through hole and can move along the hole axis direction of the through hole, and the adjusting bolt is installed in the screw hole and is screwed with the screw hole on the pressure release rod 52. Preferably, the pressure release rod 52 has a plurality of threaded holes, when the position of the height adjusting member 591 needs to be adjusted, the adjusting bolt is screwed down, the position of the height adjusting member 591 on the pressure release rod 52 is adjusted along the hole axis direction of the through hole, the threaded holes on the height adjusting member 591 correspond to different threaded holes on the pressure release rod 52, and then the adjusting bolt is screwed down again to adjust the position of the height adjusting member 591. In the embodiment of the invention, the triggering piece 592 is a hexagonal bolt screwed on the square block, the cap body of the bolt faces the hydraulic cylinder 30, and the distance between the cap body and the pressure release switch 31 can be adjusted by adjusting the depth of screwing the hexagonal bolt into the height adjusting piece 591. In addition, the triggering unit 59 may be a plate body for increasing the corresponding surface of the pressure release lever 52 and the pressure release switch 31.
In the embodiment of the present invention, the base 20 includes two stringers 22 disposed along the length direction of the rescue bed and two cross members 23 connected to corresponding ends of the stringers 22. The pressure release lever 52 is installed between the two stringers 22, both ends of each of the cross members 23 are extended to the stringers 22, and one caster 60 is installed at each of the four ends of the two stringers 22. The rescue bed can be conveniently moved by arranging the casters 60, so that the physical power consumed by the patient in the process of emergency treatment is reduced.
Specifically, the booster mechanism 40 in the embodiment of the present invention includes a booster foot lever 41, the booster foot lever 41 is rotatably mounted on the base 20, a toggle member 42 is fixedly mounted on the booster foot lever 41, a push rod 44 is slidably mounted on the base 20, two pressing members 43 are respectively mounted at two ends of the push rod 44, and along with the rotation of the booster foot lever 41, the toggle member 42 pushes the push rod 44 to move so that the two pressing members 43 each trigger one booster switch 32. In the embodiment of the present invention, the push rod 44 may be a square rod or a round rod, which is not particularly limited. The push rods 44 may be mounted on the outside or inside of the stringers 22, preferably with the push rods 44 being located on the outside of the stringers 22 to avoid interference with other components located between the stringers 22.
In the embodiment of the present invention, a guide sleeve is fixedly installed at the outer side of one of the stringers 22, and the push rod 44 is slidably installed in the guide sleeve. The push rod 44 is also provided with a transmission member corresponding to the toggle member 42, and along with the rotation of the booster pedal lever 41, the toggle member 42 is abutted with the transmission member to push the push rod 44 to slide along the guide sleeve on the base 20, so that the pressing members 43 arranged at two ends of the push rod 44 are respectively abutted with one booster switch 32 to control the extension of the driving rod of the hydraulic cylinder 30.
The booster pedal lever 41 is arcuate, and one booster pedal 45 is respectively mounted at both ends of the booster pedal lever 41. The two sides of the rescue bed are respectively provided with a pressurizing pedal 45, so that the height of the rescue bed can be increased by stepping on the pressurizing pedal 45 without running to adjust the station. The base 20 is also provided with a rebound board, one end of the rebound board is fixedly connected with the base 20, the other end of the rebound board is in butt joint with a supercharging pedal rod 41 extending outwards from the base 20, and after the stepping supercharging pedal 45 is loosened, the rebound board rebounds to enable the supercharging pedal 45 to return to the original position. When the pressure is raised to a required height, the pressurizing pedal 45 is released.
In general, a medical staff stands at the head of the rescue bed to check and confirm the illness state of the patient, and therefore, the pressurizing pedal 45 and the pressure release pedal 57 are both arranged near one end of the rescue bed, in such an arrangement, the length of the pressure release lever 52 triggering the two pressure release switches 31 is not uniform, and in the same manner, if the two pressurizing switches 32 are triggered by the push rods 44, the lengths of the two push rods 44 are also different.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.
Claims (6)
1. The rescue bed capable of relieving pressure comprises a bed body, a base and two hydraulic cylinders, wherein the bases of the two hydraulic cylinders are respectively connected with the base, and driving rods of the two hydraulic cylinders are respectively connected with the bed body; the two pressure release mechanisms are matched with the two hydraulic cylinders one by one, and each pressure release mechanism comprises a pressure release foot rest rod and a pressure release rod; the pressure relief pedal rod is rotatably arranged on the base, the pressure relief rod is connected with the pressure relief pedal rod, and the pressure relief rod triggers or is far away from a pressure relief switch of the hydraulic cylinder along with the rotation of the pressure relief pedal rod;
the pressure relief mechanism further comprises a shaft sleeve, the pressure relief pedal rod is rotatably arranged in the shaft sleeve, a mounting lug is arranged outside the shaft sleeve, and the mounting lug is fixedly connected with the base through a bolt;
each pressure relief pedal rod is fixedly provided with a supporting lug, and the pressure relief rods are fixedly arranged on the supporting lugs; an elastic piece connected with the base is arranged on the supporting lugs;
The pressure release mechanism further comprises a trigger unit, the trigger unit comprises a height adjusting piece and a trigger piece, the height adjusting piece is installed at one end of the pressure release rod, which is close to the hydraulic cylinder, through an adjusting bolt, and the height adjusting piece extends to the ground or the bed body; the trigger piece is arranged on the height adjusting piece, and the extending direction of the trigger piece is consistent with the extending direction of the pressure release rod;
The supercharging mechanism comprises a supercharging pedal rod, the supercharging pedal rod is rotatably arranged on the base, the supercharging pedal rod is fixedly provided with a stirring piece, the base is slidably provided with a push rod, two ends of the push rod are respectively provided with a pressing piece, and the stirring piece pushes the push rod to slide along with the rotation of the supercharging pedal rod so that the pressing pieces trigger two supercharging switches of the hydraulic cylinders.
2. The pressure-relieving rescue bed as defined in claim 1, wherein the base is provided with a limiting groove, and the lugs are accommodated in the limiting groove and can move back and forth in the limiting groove along the length direction of the bed body.
3. The pressure-relieving rescue bed according to any one of claims 1 to 2, wherein two pressure-relieving foot rest levers are arranged in parallel, a foot pedal is respectively arranged at corresponding ends of the two pressure-relieving foot rest levers, and a fixed mounting hole for fixedly connecting one of the pressure-relieving foot rest levers and a movable mounting hole for movably matching with the other pressure-relieving foot rest lever are arranged on the foot pedal.
4. The pressure-releasable ambulance cot according to claim 1, wherein the pressure release mechanism further comprises a guide tube fixedly mounted on the base, the pressure release lever being inserted within the guide tube and being movable in an axial direction of the guide tube.
5. The pressure-relieving rescue bed as defined in claim 1, wherein the base comprises two longitudinal beams arranged along the length direction of the bed body and two cross beams connected with corresponding ends of the two longitudinal beams, the end parts of each cross beam extend outwards from the longitudinal beams, and each end of each cross beam is provided with a caster wheel.
6. The pressure-releasing rescue bed as claimed in claim 1, wherein the pressure-increasing foot rest bar is arcuate, and two pressure-increasing foot rest bars are respectively arranged at two ends of the pressure-increasing foot rest bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811279050.2A CN109363874B (en) | 2018-10-30 | 2018-10-30 | Rescue bed capable of relieving pressure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811279050.2A CN109363874B (en) | 2018-10-30 | 2018-10-30 | Rescue bed capable of relieving pressure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109363874A CN109363874A (en) | 2019-02-22 |
| CN109363874B true CN109363874B (en) | 2024-05-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811279050.2A Active CN109363874B (en) | 2018-10-30 | 2018-10-30 | Rescue bed capable of relieving pressure |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113558891A (en) * | 2021-07-06 | 2021-10-29 | 广东康进威医疗科技有限公司 | Hydraulic vehicle underframe adjusting structure |
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| CN2055380U (en) * | 1989-03-05 | 1990-04-04 | 白求恩医科大学第三临床学院 | Emergency bed for cardio-cerebral-pulmo resuscitation |
| DE4032105A1 (en) * | 1990-10-10 | 1992-04-16 | Wissner Gmbh | Hospital bed of adjustable height - has bedside cupboard which is simultaneously adjusted for height |
| JP2005021626A (en) * | 2003-07-04 | 2005-01-27 | Shin Meiwa Ind Co Ltd | Stretcher |
| CN205698382U (en) * | 2016-02-03 | 2016-11-23 | 王沛 | A kind of liftable type emergency bed |
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| Publication number | Publication date |
|---|---|
| CN109363874A (en) | 2019-02-22 |
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