CN111956415A - Help old bed that satisfies comfort level requirement - Google Patents
Help old bed that satisfies comfort level requirement Download PDFInfo
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- CN111956415A CN111956415A CN202010798377.1A CN202010798377A CN111956415A CN 111956415 A CN111956415 A CN 111956415A CN 202010798377 A CN202010798377 A CN 202010798377A CN 111956415 A CN111956415 A CN 111956415A
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- 230000007246 mechanism Effects 0.000 claims abstract description 143
- 238000003466 welding Methods 0.000 claims abstract description 100
- 238000005452 bending Methods 0.000 claims abstract description 16
- 230000008093 supporting effect Effects 0.000 claims description 67
- 239000003638 chemical reducing agent Substances 0.000 claims description 26
- 230000033001 locomotion Effects 0.000 claims description 13
- 230000000149 penetrating effect Effects 0.000 claims description 9
- 238000009434 installation Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 2
- 230000009471 action Effects 0.000 description 21
- 230000000694 effects Effects 0.000 description 7
- 230000017531 blood circulation Effects 0.000 description 4
- 230000002708 enhancing effect Effects 0.000 description 4
- 210000003205 muscle Anatomy 0.000 description 4
- 230000002040 relaxant effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000032683 aging Effects 0.000 description 2
- 230000000670 limiting effect Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 206010033799 Paralysis Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
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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
- A61G7/008—Beds specially adapted for nursing; Devices for lifting patients or disabled persons having adjustable mattress frame tiltable around longitudinal axis, e.g. for rolling
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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
- A61G7/0507—Side-rails
- A61G7/0508—Side-rails characterised by a particular connection mechanism
- A61G7/0509—Side-rails characterised by a particular connection mechanism sliding or pivoting downwards
-
- 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
- A61G7/053—Aids for getting into, or out of, bed, e.g. steps, chairs, cane-like supports
-
- 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
- A61G7/065—Rests specially adapted therefor
- A61G7/07—Rests specially adapted therefor for the head or torso, e.g. special back-rests
-
- 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
- A61G7/065—Rests specially adapted therefor
- A61G7/075—Rests specially adapted therefor for the limbs
-
- 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
- A61G7/065—Rests specially adapted therefor
- A61G7/075—Rests specially adapted therefor for the limbs
- A61G7/0755—Rests specially adapted therefor for the limbs for the legs or feet
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H1/00—Apparatus for passive exercising; Vibrating apparatus; Chiropractic devices, e.g. body impacting devices, external devices for briefly extending or aligning unbroken bones
- A61H1/005—Moveable platforms, e.g. vibrating or oscillating platforms for standing, sitting, laying or leaning
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H2201/00—Characteristics of apparatus not provided for in the preceding codes
- A61H2201/01—Constructive details
- A61H2201/0119—Support for the device
- A61H2201/0138—Support for the device incorporated in furniture
- A61H2201/0142—Beds
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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)
- Nursing (AREA)
- Epidemiology (AREA)
- Pain & Pain Management (AREA)
- Physical Education & Sports Medicine (AREA)
- Rehabilitation Therapy (AREA)
- Invalid Beds And Related Equipment (AREA)
Abstract
The invention discloses an old-helping bed meeting the requirement of comfort level, which comprises a bed board and a bed frame capable of realizing switching of small-amplitude swinging and large-amplitude tilting, wherein the bed board is fixedly arranged on the bed frame; the bed frame comprises a top welding frame, a middle welding frame and a base welding frame, a first support shaft fixedly arranged in the middle of the top welding frame is installed in the middle of the upper surface of the middle welding frame through a bearing seat, a second support shaft fixedly arranged in the middle of the lower surface of the middle welding frame is installed in the middle of the base welding frame through a bearing seat, the first support shaft is arranged along the left-right direction, and the second support shaft is arranged along the front-back direction; the left side and the right side of the bed board are provided with handrail components which are connected with the bed board through a handrail up-down driving mechanism. The invention has powerful functions, can realize the functions of small-amplitude swinging of the bed board, large-amplitude inclination of the bed board, automatic lifting of the armrests and bending legs and carrying back, fully meets the requirement of comfort level of the old, and can assist getting on and off the bed.
Description
Technical Field
The invention relates to an old-age bed, in particular to an old-age bed meeting the requirement of comfort level.
Background
In a society with serious aging, many old people need to be cared by children or hospitals, and for the old people who are not convenient to move and live, the bed in which the old people are located becomes the place where the old people are located in most of the time in one day, so that the bed capable of assisting the old people to conveniently live becomes a demand for the old people. The special old-person assisting bed for the old is not designed in a targeted manner in many places, the beds for the paralyzed patients are more available in the market, and for most of the old, the old-person assisting bed is most important to ensure the comfort of the old and facilitate the activities of getting on and off the bed, so that the development of the old-person assisting bed meeting the requirement of comfort level and assisting the needs of getting on and off the bed is urgently needed.
Disclosure of Invention
1. Technical problem to be solved by the invention
The invention aims to overcome the defects and provides the old-people assisting bed meeting the comfort requirement.
2. Technical scheme
In order to achieve the purpose, the technical scheme provided by the invention is as follows:
the invention relates to an old-age assisting bed meeting the requirement of comfort level, which comprises a bed board and a bed frame, wherein the bed board is fixedly arranged on the bed frame; the bed frame comprises a top welding frame, a middle welding frame and a base welding frame, wherein a first support shaft fixedly arranged in the middle of the top welding frame is installed in the middle of the upper surface of the middle welding frame through a bearing seat, a second support shaft fixedly arranged in the middle of the lower surface of the middle welding frame is installed in the middle of the base welding frame through a bearing seat, the first support shaft is arranged along the left-right direction, and the second support shaft is arranged along the front-back direction;
the middle welding frame is provided with a first small-amplitude swinging driving mechanism and a first large-amplitude tilting driving mechanism; the first large-amplitude inclination driving mechanism is connected with a first push-pull rod which is rotatably arranged on the top welding frame and is used for pushing and pulling the first push-pull rod through the first large-amplitude inclination driving mechanism to control the top welding frame to be inclined greatly around the axis of the first supporting shaft; the gear in the first small-amplitude swing driving mechanism is in clearance fit with the first supporting shaft, and the gear in the first small-amplitude swing driving mechanism is connected with the first supporting shaft through a first electromagnetic stopping assembly and used for controlling whether the first small-amplitude swing driving mechanism can drive the first supporting shaft to rotate or not through the first electromagnetic stopping assembly, so that whether the top welding frame swings around the axis of the first supporting shaft in a small amplitude or not and whether the first small-amplitude swing driving mechanism and the first large-amplitude tilt driving mechanism are switched or not is realized;
the base welding frame is provided with a second small-amplitude swinging driving mechanism and a second large-amplitude tilting driving mechanism; the second large-amplitude inclination driving mechanism is connected with a second push-pull rod which is rotatably arranged on the middle welding frame and is used for pushing and pulling the second push-pull rod through the second large-amplitude inclination driving mechanism to control the middle welding frame to be inclined greatly around the axis of the second support shaft; a gear in the second small-amplitude swing driving mechanism is in clearance fit with the second support shaft, and the gear in the second small-amplitude swing driving mechanism is connected with the second support shaft through a second electromagnetic stop assembly and used for controlling whether the second small-amplitude swing driving mechanism can drive the second support shaft to rotate or not through the second electromagnetic stop assembly, so that whether the middle welding frame swings around the axis of the second support shaft in a small amplitude or not and whether the second small-amplitude swing driving mechanism and the second large-amplitude tilt driving mechanism are switched or not is realized;
the handrail components are arranged on the left side and the right side of the bed board and are connected with the bed board through a handrail up-down driving mechanism.
Furthermore, the handrail up-and-down driving mechanism comprises a third motor, an upper bearing plate and a lower bearing plate positioned on the inner side of the upper bearing plate, and the handrail component is fixedly arranged on the upper surface of the upper bearing plate; the lower bearing plate is fixedly arranged on the back surface of the bed plate; the upper bearing plate is connected with the lower bearing plate through a parallelogram mechanism; the parallelogram mechanism comprises an upper inclined rod and a lower inclined rod which are arranged in parallel and arranged in front and back, the upper end of the upper inclined rod is hinged with the lower end of the first short vertical block, the upper end of the lower inclined rod is hinged with the lower end of the first long vertical block, and the first short vertical block and the first long vertical block are fixedly arranged on the lower surface of the upper bearing plate; the lower end of the upper inclined rod is hinged with the lower end of the second short vertical block, the lower end of the lower inclined rod is hinged with the lower end of the second long vertical block, and the second short vertical block and the second long vertical block are fixedly arranged on the lower surface of the lower bearing plate; an output shaft of the third motor is connected with an input end of a second worm and gear reducer, and the second worm and gear reducer is installed on the outer side surface of the top welding frame through a reducer installation seat; the output end of the second worm gear reducer is provided with a driving gear, and the driving gear is connected with a driven gear through an annular chain; the driven gear is fixedly arranged on a shaft section of one end of a flange pin used for penetrating through the hinged position of the second long vertical block and the lower diagonal rod, and a flange plate at the other end of the flange pin is fixedly connected with the lower diagonal rod.
Furthermore, the handrail component comprises a handrail plate, the handrail plate is vertically arranged on a clamping plate seat fixedly arranged on the upper surface of the upper bearing plate, the handrail plate is fixedly connected with clamping plates positioned on two sides of the handrail plate, and the lower end of each clamping plate is vertically fixedly arranged on the clamping plate seat.
Furthermore, the first large-amplitude tilt driving mechanism and the second large-amplitude tilt driving mechanism have the same structure, and both comprise a third push-pull rod, a first linear sliding module and a first motor for controlling the first linear sliding module to slide, the first linear sliding module comprises a spline lead screw, a spline nut and a first sliding plate, and the first sliding plate is fixedly provided with the spline nut and a first guide sleeve; the spline female sleeve is arranged on the spline screw rod, and the first guide sleeve is sleeved on the first guide rod; both ends of the spline screw rod and both ends of the first guide rod are respectively and rotatably supported on a first supporting beam and a second supporting beam in the middle welding frame or the base welding frame; one end of the spline screw rod is connected with an output shaft of a first motor through a first worm gear reducer arranged on a reducer mounting plate on the middle welding frame or the base welding frame; the third push-pull rod is arranged above the first sliding plate, and the third push-pull rod and the first sliding plate are arranged in parallel; two ends of the third push-pull rod are rotatably supported on the two first supporting blocks fixedly arranged on the first sliding plate; the third push-pull rod can be rotatably arranged at one end of the first connecting rod in a penetrating way, and the other end of the first connecting rod can be rotatably sleeved on the first push-pull rod or the second push-pull rod.
Furthermore, the first small-amplitude swing driving mechanism and the second small-amplitude swing driving mechanism are consistent in structure and respectively comprise a gear, a sector block, a mounting seat and an arc-shaped gear ring, wherein the mounting seat is fixedly arranged on the middle welding frame or the base welding frame, the arc-shaped gear ring can be meshed with the gear, a third rotating shaft is arranged at the circle center of the sector block, and two ends of the third rotating shaft are respectively and rotatably supported on two third lug plates of the mounting seat; the fan-shaped block is driven by an eccentric mechanism to swing; the circumference of the fan-shaped block is provided with an arc-shaped track and flanges positioned at two ends of the fan-shaped track; the arc-shaped gear ring is arranged on the fan-shaped block in a mode that an arc-shaped groove on the inner circumferential surface of the arc-shaped gear ring is in sliding connection with the arc-shaped track.
Furthermore, the eccentric mechanism comprises a second motor and an eccentric wheel, the second motor is fixedly arranged on the bottom plate of the mounting seat, and a horizontal output shaft of the second motor is fixedly arranged at the circle center of the eccentric wheel; the wheel surface of the eccentric wheel is hinged with the outer side end of the fifth connecting rod, and the inner side end of the fifth connecting rod is hinged to the sector of the sector block.
Furthermore, the first support shaft and the second support shaft have the same structure and respectively comprise a middle shaft shell for mounting the first electromagnetic locking component or the second electromagnetic locking component and connecting shaft sections fixedly arranged on two sides of the middle shaft shell, the openings at two ends of the middle shaft shell are respectively in threaded connection with end covers, and the end covers are connected with the connecting shaft sections in a clamping manner through regular polygonal convex blocks and regular polygonal grooves; the connecting shaft section is connected with a connecting plate fixedly arranged on the top welding frame or the middle welding frame in a mode of inserting the regular polygon connecting block into a regular polygon hole formed in the connecting plate.
Furthermore, the first electromagnetic locking component and the second electromagnetic locking component have the same structure, and both comprise a plurality of operation sliding blocks which are uniformly distributed along the circumferential direction of the intermediate shaft shell and are telescopically arranged on the intermediate shaft shell and an electromagnetic telescopic driving mechanism which is used for controlling the operation sliding blocks to simultaneously extend out to be clamped and fixed with clamping grooves on the gear or simultaneously retract to release the gear, the electromagnetic telescopic driving mechanism comprises a hollow sliding shaft which is slidably arranged in the intermediate shaft shell and electromagnetic valves which are arranged on two sides of the hollow sliding shaft and are fixedly arranged on the intermediate shaft shell, the hollow sliding shaft is slidably sleeved on the fixed shaft, and the hollow sliding shaft is controlled by the two electromagnetic valves to reciprocate on the fixed shaft; a plurality of running chutes are uniformly distributed on the hollow sliding shaft along the circumferential direction of the hollow sliding shaft, and the bottom wall of each running chute is a driving inclined plane for driving the running slide block to do telescopic motion; the lower end of the running slide block is arranged on the driving inclined plane, the lower surface of the running slide block is a sliding inclined plane matched with the driving inclined plane, and a guide slide block on the sliding inclined plane is in sliding connection with a guide sliding groove arranged on the driving inclined plane; the lower end of the operating slide block is fixedly connected with one end of a spring, and the other end of the spring penetrates through the guide chute and is fixedly connected with a spring seat fixedly arranged on the fixed shaft; the upper end of the operating slide block is connected with an outlet arranged on the middle shaft shell in a sliding way.
Furthermore, the bed plate consists of a front bed plate, a middle bed plate and a rear bed plate, the middle bed plate is fixedly arranged on the top welding frame through a middle bed plate supporting frame, and the rear end of the back surface of the front bed plate and the front end of the back surface of the middle bed plate as well as the rear end of the back surface of the middle bed plate and the front end of the back surface of the rear bed plate are connected together through arc-shaped hinges; the bed board is connected with the middle bed board supporting frame through a leg bending and back lifting mechanism; the leg bending and back lifting mechanism comprises a second electric push rod and a first electric push rod, and the driving end of the first electric push rod is hinged with a hinged seat fixedly arranged on the back of the front bed plate through a hinge shaft; the fixed end of the first electric push rod is hinged with a hinged seat fixedly arranged on the front side surface of the middle bed plate supporting frame through a hinged shaft; the driving end of the second electric push rod is hinged with a hinged seat fixedly arranged on the back of the rear bed plate through a hinged shaft; the fixed end of the second electric push rod is hinged with a hinged seat fixedly arranged on the rear side surface of the middle bed plate supporting frame through a hinged shaft.
Furthermore, the arc-shaped hinge comprises a first arc-shaped arm and two second arc-shaped arms; the fixed end of the first arc-shaped arm is fixedly connected with the first bolt fixing plate; the fixed ends of the two second arc-shaped arms are fixedly connected with a second bolt fixing plate; the hinged end of the first arc-shaped arm is arranged between the two second arc-shaped arms, and the hinged end of the first arc-shaped arm is connected with the arc-shaped groove on the second arc-shaped arm in a sliding mode through the expansion pin.
3. Advantageous effects
Compared with the prior art, the technical scheme provided by the invention has the following beneficial effects:
(1) according to the old-people assisting bed meeting the requirement on comfort level, the small-amplitude swinging state and the large-amplitude inclining state can be switched through the electromagnetic stop assembly according to the requirement, the bed board is driven to swing in the front-back direction in a small amplitude through the first small-amplitude swinging driving mechanism, the bed board is driven to swing in the left-right direction in a small amplitude through the second small-amplitude swinging driving mechanism, the effects of relaxing muscles, enhancing blood circulation and relieving fatigue can be achieved, and better enjoyment can be brought to old people due to the small swinging amplitude; the bed plate is driven to be greatly inclined left and right by the second large-amplitude inclination driving mechanism, so that the old can be assisted to get on or off the bed, and the problem of difficult transfer between a wheelchair and the bed is solved; the bed board is driven to be greatly inclined back and forth by the first large-amplitude inclination driving mechanism, so that the requirement of the old on the comfort level of lying on the bed can be met;
(2) according to the old-person assisting bed meeting the comfort requirement, when small-amplitude swinging is required, the electromagnetic stop component is controlled to enable the gear and the supporting shaft to rotate together, so that the small-amplitude swinging driving mechanism actively works to drive the bed plate to swing around the axis of the supporting shaft in a small amplitude, meanwhile, the large-amplitude tilting driving mechanism passively works under the action of rotation of the supporting shaft, and at the moment, the large-amplitude tilting driving mechanism assists the small-amplitude swinging driving mechanism to work, so that the small-amplitude swinging of the bed plate is more stable; when the large-amplitude inclined bed plate needs to be greatly inclined, the electromagnetic stop assembly is controlled to enable the gear and the supporting shaft to relatively rotate, so that the small-amplitude swing driving mechanism and the large-amplitude inclined driving mechanism are mutually independent, and the large-amplitude inclined driving mechanism actively works to drive the bed plate to be greatly inclined around the axis of the supporting shaft;
(3) the old-people bed meeting the comfort requirement has the advantages that the large-amplitude inclination driving mechanism is simple in structure, convenient to connect and ingenious in design, when the bed is in a large-amplitude inclination state, the first motor works and drives the spline lead screw to rotate through the worm gear reducer, the spline lead screw can drive the sliding plate to slide through the rotation, the sliding plate slides to push and pull the push-pull rod through the first connecting rod, and the purpose of pushing and pulling the top welding frame or the middle welding frame is further achieved; when the small-amplitude swinging state is implemented, the first motor does not work, one end of the spline screw rod passes through the worm and gear reducer and an output shaft of the first motor, and the worm and gear reducer has a self-locking function, so that the spline screw rod cannot rotate;
(4) the small-amplitude swinging driving mechanism of the old-people-assisting bed meeting the comfort requirement is simple in structure and ingenious in design, can swing in a small amplitude, stop and swing in a reverse direction in a small amplitude when working, can drive the body of an old person lying on the bed plate to swing, can achieve the effects of relaxing muscles, enhancing blood circulation and relieving fatigue, and brings better enjoyment to the old person; the eccentric mechanism can drive the sector block to swing, because the circumferential surface of the sector block is provided with the arc-shaped track and the flanges positioned at two ends of the sector-shaped track, and the arc-shaped gear ring is arranged on the sector block in a manner of sliding connection with the arc-shaped track through the arc-shaped groove on the inner circumferential surface of the arc-shaped gear ring, the sector block swings and the arc-shaped gear ring slides on the arc-shaped track, at the moment, the arc-shaped gear ring and the gear do not have relative meshing motion, the arc-shaped gear ring can not drive the gear to rotate and is in; the arc-shaped gear ring is meshed with the gear when the sector swings and the arc-shaped gear ring impacts the flange, the arc-shaped gear ring drives the gear to rotate, and the gear drives the supporting shaft to rotate together and is in a swinging state;
(5) according to the old-helping bed meeting the requirement on comfort level, the openings at the two ends of the middle shaft shell are both in threaded connection with the end covers, the end covers are connected with the connecting shaft sections in a clamping mode through the regular polygon convex blocks and the regular polygon grooves, the supporting shaft is assembled quickly, the end part of the free end of the connecting shaft section is provided with the regular polygon connecting block, the connecting shaft section is connected with the connecting plate fixedly arranged on the top welding frame or the middle welding frame in a mode that the regular polygon connecting block is inserted into the regular polygon holes formed in the connecting plate, and the supporting shaft is connected with the top welding frame or the middle welding frame conveniently;
(6) the electromagnetic locking assembly of the old-helping bed meeting the requirement of comfort level is simple in structure and convenient to connect, switching of large-amplitude tilting motion and small-amplitude swinging motion can be realized by controlling the electromagnetic locking assembly, the electromagnetic telescopic driving mechanism can control the plurality of running sliding blocks to simultaneously extend out or retract back, so that the control gear and the supporting shaft rotate together or the gear and the supporting shaft rotate relatively, when one of the two electromagnetic valves is electrified, the hollow sliding shaft is adsorbed to the electrified electromagnetic valve to move, and the two electromagnetic valves are alternatively electrified to realize the control of the hollow sliding shaft to do reciprocating motion; when the operation sliding blocks ascend along the driving inclined plane, the operation sliding blocks simultaneously extend out under the action of the driving inclined plane, the gear and the supporting shaft are connected together in a mode that the operation sliding blocks are clamped with clamping grooves in the gear, and when the operation sliding blocks descend along the driving inclined plane, the operation sliding blocks retract simultaneously under the action of the springs, so that the gear and the supporting shaft are restored to a clearance fit state;
(7) according to the old-people assisting bed meeting the requirement on comfort level, the handrail components are arranged on the left side and the right side of the bed board and are connected with the bed board through the handrail up-down driving mechanism, so that the handrail components can be controlled to automatically lift through the handrail up-down driving mechanism according to the needs of old people; the handrail up-and-down driving mechanism is simple in structure and convenient to connect, the third motor works and drives the driving gear to rotate through the second worm gear reducer, the driving gear rotates and is driven to rotate through the annular chain, the driven gear is fixedly arranged on a shaft section at one end of a flange pin penetrating through the hinged position of the second long vertical block and the lower diagonal rod, and a flange plate at the other end of the flange pin is fixedly connected with the lower diagonal rod, so that the driven gear rotates forwards and backwards to drive the lower diagonal rod to rotate forwards and backwards, and the upper bearing plate and the handrail assembly are driven to move up and down through the parallelogram mechanism;
(8) according to the old-helping bed meeting the requirement on comfort level, the bed plate is composed of the front bed plate, the middle bed plate and the rear bed plate, the middle bed plate is fixedly arranged on the middle bed plate supporting frame, the rear end of the back surface of the front bed plate and the front end of the back surface of the middle bed plate are connected together through the arc-shaped hinge, the arc-shaped hinge can limit the vertical swinging angle of the front bed plate or the rear bed plate, and the supporting effect can be better achieved while the limiting effect is realized;
(9) according to the old-people assisting bed meeting the comfort requirement, the bed board is connected with the middle bed board supporting frame through the leg bending and back lifting mechanism, the structure is simple, the connection is convenient, the first electric push rod retracts to perform leg bending action, the second electric push rod extends out to perform back lifting action, and the leg bending action and the back lifting action are mutually independent, so that the old people can perform the back lifting action independently, can perform the leg bending action and the back lifting action simultaneously, the use is more flexible, and different comfort requirements of the old people can be met.
Drawings
FIG. 1 is a schematic diagram of a geriatric bed of the present invention that meets comfort requirements;
FIG. 2 is a schematic structural view of the back of a bed plate in the old-person bed according to the present invention, which meets the requirement of comfort level;
FIG. 3 is a schematic view of a first connection structure of a handrail assembly and a handrail up-down driving mechanism in the old-fashioned bed according to the present invention, which meets the requirement of comfort;
FIG. 4 is a schematic view of a second connection structure of the armrest assembly and the armrest up-down driving mechanism in the senior citizen's bed of the present invention meeting the comfort requirement;
FIG. 5 is a schematic structural view of an arc-shaped hinge in a senior citizen's bed meeting the comfort requirement of the present invention;
FIG. 6 is a schematic structural diagram of a frame of an old-fashioned bed according to the present invention, which meets the comfort requirement;
FIG. 7 is a schematic view of a connection structure of a small-amplitude swing driving mechanism, a large-amplitude tilt driving mechanism and an electromagnetic locking assembly in the elderly-assistant bed according to the present invention, which meets the comfort requirement;
FIG. 8 is a schematic structural diagram of a small amplitude swing driving mechanism in an old-fashioned bed according to the present invention, which meets the comfort requirement;
FIG. 9 is a schematic structural view of a large-amplitude tilt driving mechanism in a senior bed meeting the comfort requirement of the present invention;
FIG. 10 is a schematic view of the supporting shaft of the senior bed meeting the comfort requirement of the present invention;
FIG. 11 is a cross-sectional view of an electromagnetic stop assembly in an assisted aging bed of the present invention that meets comfort requirements;
fig. 12 is a schematic structural view of a hollow sliding shaft in an old-person bed according to the present invention, which meets the requirement of comfort.
The reference numerals in the schematic drawings illustrate: 1-1, welding a frame at the top; 1-2, welding a frame in the middle; 1-3, welding a frame on a base; 2. a first support shaft; 3. a second support shaft; a-1, a middle shaft shell; a-2, connecting the shaft section; a-3, connecting a regular polygon block; a-4, end cover; a-4-1, a regular polygonal bump; 4. a first push-pull rod; 5. a second push-pull rod; 6-1, spline screw rod; 6-2, a spline nut; 6-3, a first sliding plate; 6-4, a first guide sleeve; 6-5, a first guide rod; 6-6, a first worm gear reducer; 6-7, a first motor; 6-8, a third push-pull rod; 6-9, supporting blocks; 6-10 parts of a first connecting rod; 7-1, mounting seats; 7-2, fan-shaped blocks; 7-2-1, arc track; 7-2-2, and a flange; 7-3, a third rotating shaft; 7-4, arc-shaped gear rings; 7-5, a second motor; 7-6, an eccentric wheel; 7-7, a fifth connecting rod; 7-8, gears; 7-8-1 of a clamping groove; 8-1, a front bed plate; 8-2, a middle bed plate; 8-3, a rear bed board; 8-4, a middle bed board supporting frame; 9-1, an electromagnetic valve; 9-2, operating a sliding block; 9-2-1, a guide slide block; 9-2-2, sliding slope; 9-3, a hollow sliding shaft; 9-3-1, running a chute; 9-3-2, driving the inclined plane; 9-3-3, a guide chute; 9-4, fixing the shaft; 9-5, a spring; 9-6, a spring seat; 10. a connecting plate; 11-1, an upper bearing plate; 11-2, a lower bearing plate; 11-3, a third motor; 11-4, an upper diagonal rod; 11-5, a lower inclined rod; 11-6, a first short vertical block; 11-7, a second worm gear reducer; 11-8, a driving gear; 11-9, an endless chain; 11-10 parts of driven gear; 11-11, flange pins; 11-11-1, flange plate; 11-12, a first long vertical block; 11-13, a second short vertical block; 11-14, a second long vertical block; 12-1, handrail plates; 12-2, a splint seat; 12-3, splints; 13-1, a second electric push rod; 13-2, a first electric push rod; 14-1, a first arcuate arm; 14-2, a second arc-shaped arm; 14-2-1, arc groove; 14-3, fixing a first bolt plate; 14-4, fixing a second bolt plate; 14-5, expansion pin.
Detailed Description
For a further understanding of the invention, reference should be made to the following detailed description taken in conjunction with the accompanying drawings and examples.
Examples
With reference to fig. 1 and 2, the old-people assisting bed meeting the comfort requirement of the embodiment includes a bed board and a bed frame, wherein the bed board is fixedly arranged on the bed frame; a sponge cushion is laid on the bed board; the bed board consists of a front bed board 8-1, a middle bed board 8-2 and a rear bed board 8-3, wherein the middle bed board 8-2 is fixedly arranged on the top welding frame 1-1 through a middle bed board supporting frame 8-4; the back end of the back of the front bed plate 8-1 and the front end of the back of the middle bed plate 8-2, and the back end of the back of the middle bed plate 8-2 and the front end of the back bed plate 8-3 are connected together through arc hinges; the arc-shaped hinge can limit the vertical swinging angle of the front bed board or the rear bed board, so that the limiting effect is realized and the supporting effect can be better achieved; in order to ensure that the rear bed plate and the middle bed plate are not rubbed and clamped when the rear bed plate rotates, the edge of the rear bed plate is provided with a notch (not marked in the drawing);
continuing with and referring to FIG. 5, the curved hinge includes a first curved arm 14-1 and two second curved arms 14-2; the fixed end of the first arc-shaped arm 14-1 is fixedly connected with the first bolt fixing plate 14-3; the fixed ends of the two second arc-shaped arms 14-2 are fixedly connected with a second bolt fixing plate 14-4; the hinged end of the first arc-shaped arm 14-1 is arranged between the two second arc-shaped arms 14-2, and the hinged end of the first arc-shaped arm 14-1 is in sliding connection with the arc-shaped groove 14-2-1 on the second arc-shaped arm 14-2 through an expansion pin 14-5;
continuing with fig. 2, the bed board is connected with a middle bed board supporting frame 8-4 through a leg bending and back lifting mechanism; the leg bending and back lifting mechanism comprises a second electric push rod 13-1 and a first electric push rod 13-2, and the driving end of the first electric push rod 13-2 is hinged with a hinged seat fixedly arranged on the back of the front bed plate 8-1 through a hinged shaft; the fixed end of the first electric push rod 13-2 is hinged with a hinged seat fixedly arranged on the front side surface of the middle bed plate supporting frame 8-4 through a hinged shaft; the driving end of the second electric push rod 13-2 is hinged with a hinged seat fixedly arranged on the back of the rear bed plate 8-3 through a hinged shaft; the fixed end of the second electric push rod 13-2 is hinged with a hinged seat fixedly arranged on the middle bed board supporting frame 8-4 through a hinged shaft; the structure is simple, the connection is convenient, the first electric push rod retracts to perform leg bending action, the second electric push rod extends to perform back lifting action, and the leg bending action and the back lifting action are mutually independent, so that the old can perform the back lifting action independently, the leg bending action independently and the leg bending action and the back lifting action simultaneously, the use is more flexible, and different comfort level requirements of the old can be met;
continuing and combining with the figure 6, the bed frame comprises a top welding frame 1-1, a middle welding frame 1-2 and a base welding frame 1-3, and universal wheels are arranged at four corners of the base welding frame 1-3; a first support shaft 2 fixedly arranged in the middle of the top welding frame 1-1 is arranged in the middle of the upper surface of the middle welding frame 1-2 through a bearing seat, a second support shaft 3 fixed in the middle of the lower surface of the middle welding frame 1-2 is arranged in the middle of the base welding frame 1-3 through a bearing seat, wherein the first support shaft 2 is arranged along the left-right direction, and the second support shaft 3 is arranged along the front-back direction;
continuing and combining with fig. 10, in the embodiment, the first support shaft 2 and the second support shaft 3 have the same structure, and both include a middle shaft shell a-1 for mounting the first electromagnetic locking component or the second electromagnetic locking component and a connecting shaft section a-2 fixedly arranged at both sides of the middle shaft shell a-1, both end openings of the middle shaft shell a-1 are in threaded connection with end covers a-4, the end covers a-4 and the connecting shaft section a-2 are connected by the way of the engagement of regular polygon convex blocks a-4-1 and regular polygon grooves, and the support shafts are assembled quickly; the end part of the free end of the connecting shaft section A-2 is provided with a regular polygon connecting block A-3, the connecting shaft section A-2 is connected with a connecting plate 10 fixedly arranged on the top welding frame 1-1 or the middle welding frame 1-2 in a mode that the regular polygon connecting block A-3 is inserted into a regular polygon hole formed in the connecting plate 10, and the supporting shaft is conveniently connected with the top welding frame or the middle welding frame; in the embodiment, the structural shapes of the regular polygon groove, the regular polygon hole, the regular polygon connecting block A-3 and the regular polygon groove are all regular quadrangles;
continuing with fig. 6 and 7, in order to realize that the top welding frame 1-1 can be switched between a small-amplitude front-back direction swing state and a large-amplitude front-back direction inclination state as required, the middle welding frame 1-2 is provided with a first small-amplitude swing driving mechanism and a first large-amplitude inclination driving mechanism; the first large-amplitude inclination driving mechanism is connected with a first push-pull rod 4 which is rotatably arranged on the top welding frame 1-1 and is used for controlling the top welding frame 1-1 to incline around the axis of the first support shaft 2 by pushing and pulling the first push-pull rod 4 through the first large-amplitude inclination driving mechanism; a gear 7-8 in the first small-amplitude swing driving mechanism is in clearance fit with the first support shaft 2, and the gear 7-8 in the first small-amplitude swing driving mechanism is connected with the first support shaft 2 through a first electromagnetic stopping component and used for controlling whether the first small-amplitude swing driving mechanism can drive the first support shaft 2 to rotate or not through the first electromagnetic stopping component, so that whether the top welding frame 1-1 swings around the axis of the first support shaft 2 in a small amplitude or not and whether the first small-amplitude swing driving mechanism and the first large-amplitude tilt driving mechanism are switched or not is realized;
continuing with fig. 6 and 7, in order to realize that the middle welding frame 1-2 can be switched between the small-amplitude left-right direction swing state and the large-amplitude left-right direction inclination state as required, the base welding frame 1-3 is provided with a second small-amplitude swing driving mechanism and a second large-amplitude inclination driving mechanism; the second large-amplitude inclination driving mechanism is connected with a second push-pull rod 5 which is rotatably arranged on the middle welding frame 1-2 and is used for controlling the middle welding frame 1-2 to be inclined greatly around the axis of the second support shaft 3 by pushing and pulling the second push-pull rod 5 through the second large-amplitude inclination driving mechanism; a gear 7-8 in the second small-amplitude swing driving mechanism is in clearance fit with the second support shaft 3, and the gear 7-8 in the second small-amplitude swing driving mechanism is connected with the second support shaft 3 through a second electromagnetic stop component and used for controlling whether the second small-amplitude swing driving mechanism can drive the second support shaft 3 to rotate or not through the second electromagnetic stop component, so that whether the middle welding frame swings around the axis of the second support shaft 3 in a small amplitude or not and whether the second small-amplitude swing driving mechanism and the second large-amplitude tilt driving mechanism are switched or not are realized;
the first small-amplitude swing driving mechanism drives the bed board to swing back and forth in a small-amplitude manner, and the second small-amplitude swing driving mechanism drives the bed board to swing left and right in a small-amplitude manner, so that the effects of relaxing muscles, enhancing blood circulation and relieving fatigue can be achieved, and better enjoyment can be brought to the old due to small swing amplitude; the bed plate is driven to be greatly inclined left and right by the second large-amplitude inclination driving mechanism, so that the old can be assisted to get on or off the bed, and the problem of difficult transfer between a wheelchair and the bed is solved; the bed board is driven to be greatly inclined back and forth by the first large-amplitude inclination driving mechanism, so that the requirement of the old on the comfort level of lying on the bed can be met;
the specific switching process of small-amplitude swing and large-amplitude tilt is as follows: when small-amplitude swinging is needed, the electromagnetic stop assembly is controlled to enable the gear and the supporting shaft to rotate together, so that the small-amplitude swinging driving mechanism actively works to drive the bed plate to swing around the axis of the supporting shaft in a small amplitude, and meanwhile, the large-amplitude tilting driving mechanism passively works under the action of rotation of the bed plate, and at the moment, the large-amplitude tilting driving mechanism assists the small-amplitude swinging driving mechanism to work, so that the small-amplitude swinging of the bed plate is more stable; when the large-amplitude inclination is needed, the electromagnetic stop component is controlled to enable the gear and the supporting shaft to rotate relatively, namely, the gear and the supporting shaft are in a clearance fit state, so that the small-amplitude swing driving mechanism and the large-amplitude inclination driving mechanism are mutually independent, and the large-amplitude inclination driving mechanism actively works to drive the bed plate to incline greatly around the axis of the supporting shaft;
the handrail components are arranged on the left side and the right side of the bed board and are connected with the bed board through the handrail up-down driving mechanisms, and the handrail components can be controlled to automatically lift through the handrail up-down driving mechanisms according to the needs of the old.
Continuing and combining with fig. 3 and 4, the handrail up-and-down driving mechanism comprises a third motor 11-3, an upper bearing plate 11-1 and a lower bearing plate 11-2 positioned at the inner side of the upper bearing plate 11-1, and the handrail assembly is fixedly arranged on the upper surface of the upper bearing plate 11-1; the lower bearing plate 11-2 is fixedly arranged on the back surface of the bed plate; the upper bearing plate 11-1 is connected with the lower bearing plate 11-2 through a parallelogram mechanism; the parallelogram mechanism comprises an upper inclined rod 11-4 and a lower inclined rod 11-5 which are arranged in parallel and arranged in front and back, the upper end of the upper inclined rod 11-4 is hinged with the lower end of a first short vertical block 11-6, the upper end of the lower inclined rod 11-5 is hinged with the lower end of a first long vertical block 11-12, and the first short vertical block 11-6 and the first long vertical block 11-12 are both fixedly arranged on the lower surface of the upper bearing plate 11-1; the lower end of the upper inclined rod 11-4 is hinged with the lower end of a second short vertical block 11-13, the lower end of the lower inclined rod 11-5 is hinged with the lower end of a second long vertical block 11-14, and the second short vertical block 11-13 and the second long vertical block 11-14 are fixedly arranged on the lower surface of the lower bearing plate 11-2; an output shaft of the third motor 11-3 is connected with an input end of a second worm and gear reducer 11-7, and the second worm and gear reducer 11-7 is installed on the outer side surface of the top welding frame 1-1 through a reducer installation seat; the output end of the second worm gear reducer 11-7 is provided with a driving gear 11-8, and the driving gear 11-8 is connected with a driven gear 11-10 through an annular chain 11-9; the driven gear 11-10 is fixedly arranged on a shaft section at one end of a flange pin 11-11 which is used for penetrating through the hinged position of the second long vertical block 11-14 and the lower inclined rod 11-5, and a flange plate 11-11-1 at the other end of the flange pin 11-11 is fixedly connected with the lower inclined rod 11-5; the handrail up-and-down driving mechanism is simple in structure and convenient to connect, the third motor works and drives the driving gear to rotate through the second worm gear reducer, the driving gear rotates and is driven to rotate through the annular chain, the driven gear is fixedly arranged on a shaft section at one end of a flange pin penetrating through the hinged position of the second long vertical block and the lower diagonal rod, and a flange plate at the other end of the flange pin is fixedly connected with the lower diagonal rod, so that the driven gear rotates forwards and backwards to drive the lower diagonal rod to rotate forwards and backwards, and the upper bearing plate and the handrail assembly are driven to move up and down through the parallelogram mechanism;
the armrest component comprises an armrest plate 12-1, the armrest plate 12-1 is vertically arranged on a clamping plate seat 12-2 fixedly arranged on the upper surface of the upper bearing plate 11-1, the armrest plate 12-1 is fixedly connected with clamping plates 12-3 positioned on two sides of the armrest plate 12-1, and the lower end of the clamping plate 12-3 is vertically and fixedly arranged on the clamping plate seat 12-2.
Continuing and combining with a graph 9, the first large-amplitude tilt driving mechanism and the second large-amplitude tilt driving mechanism have the same structure and respectively comprise a third push-pull rod 6-8, a first linear sliding module and a first motor 6-7 for controlling the first linear sliding module to slide, the first linear sliding module comprises a spline lead screw 6-1, a spline nut 6-2 and a first sliding plate 6-3, and the first sliding plate 6-3 is fixedly provided with the spline nut 6-2 and a first guide sleeve 6-4; the spline nut 6-2 is sleeved on the spline screw rod 6-1, and the first guide sleeve 6-4 is sleeved on the first guide rod 6-5; both ends of the spline screw rod 6-1 and both ends of the first guide rod 6-5 are respectively and rotatably supported on a first support beam and a second support beam in the middle welding frame 1-2 or the base welding frame 1-3; one end of the spline screw 6-1 is connected with an output shaft of a first motor 6-7 through a first worm gear reducer 6-6 arranged on a reducer mounting plate on the middle welding frame or the base welding frame; the third push-pull rod 6-8 is arranged above the first sliding plate 6-3, and the third push-pull rod 6-8 and the first sliding plate 6-3 are arranged in parallel; two ends of the third push-pull rod 6-8 are rotatably supported on two first supporting blocks 6-9 fixedly arranged on the first sliding plate 6-3; the third push-pull rod 6-8 is rotatably arranged at one end of the first connecting rod 6-10 in a penetrating way, and the other end of the first connecting rod 6-10 is rotatably sleeved on the first push-pull rod 4 or the second push-pull rod 5;
the large-amplitude inclination driving mechanism is simple in structure, convenient to connect and ingenious in design, when the large-amplitude inclination state is implemented, the first motor works and drives the spline lead screw to rotate through the worm gear reducer, the rotation of the spline lead screw can drive the sliding plate to slide, the sliding plate slides to push and pull the push-pull rod through the first connecting rod, and therefore the purpose of pushing and pulling the top welding frame or the middle welding frame is achieved; and when being in implementation small-amplitude swing state, first motor is out of work, because the output shaft of worm gear reduction unit and first motor is passed through to the one end of spline lead screw, worm gear reduction unit possesses self-locking function, consequently, the spline lead screw can not rotate, because the straight row ball in the spline is female can realize reciprocal linear motion under the irrotational condition of spline lead screw, consequently, the small-amplitude swing of top welding frame or middle part welding frame can drive the sliding plate among the linear sliding module and slide, linear sliding module plays the guide effect this moment, make the small-amplitude swing more reliable.
Continuing and combining with a graph 8, the first small-amplitude swing driving mechanism and the second small-amplitude swing driving mechanism are consistent in structure and respectively comprise a gear 7-8, a sector 7-2, a mounting seat 7-1 fixedly arranged on the middle welding frame 1-2 or the base welding frame 1-3 and an arc-shaped gear ring 7-4 capable of being meshed with the gear 7-8, a third rotating shaft 7-3 is arranged at the circle center of the sector 7-2, and two ends of the third rotating shaft 7-3 are respectively and rotatably supported on two third lug plates of the mounting seat 7-1; the sector block 7-2 is driven by an eccentric mechanism to swing; an arc-shaped track 7-2-1 and flanges 7-2-2 positioned at two ends of the sector-shaped track 7-2-1 are processed on the circumferential surface of the sector-shaped block 7-2; the arc-shaped gear ring 7-4 is arranged on the fan-shaped block 7-2 in a manner of sliding connection with the arc-shaped track 7-2-1 through an arc-shaped groove on the inner circumferential surface of the arc-shaped gear ring 7-4;
the small-amplitude swing driving mechanism has a simple structure and is ingenious in design, and the small-amplitude swing driving mechanism can realize small-amplitude swing-stop-reverse small-amplitude swing when working, can drive the body of the old lying on the bed plate to swing, can achieve the effects of relaxing muscles, enhancing blood circulation and relieving fatigue, and brings better enjoyment to the old; the eccentric mechanism can drive the sector block to swing, because the circumferential surface of the sector block is provided with the arc-shaped track and the flanges positioned at two ends of the sector-shaped track, and the arc-shaped gear ring is arranged on the sector block in a manner of sliding connection with the arc-shaped track through the arc-shaped groove on the inner circumferential surface of the arc-shaped gear ring, the sector block swings and the arc-shaped gear ring slides on the arc-shaped track, at the moment, the arc-shaped gear ring and the gear do not have relative meshing motion, the arc-shaped gear ring can not drive the gear to rotate and is in; the arc-shaped gear ring is meshed with the gear when the sector swings and the arc-shaped gear ring impacts the flange, the arc-shaped gear ring drives the gear to rotate, and the gear drives the supporting shaft to rotate together and is in a swinging state;
the eccentric mechanism comprises a second motor 7-5 and an eccentric wheel 7-6, the second motor 7-5 is fixedly arranged on a bottom plate of the mounting seat 7-1, and a horizontal output shaft of the second motor 7-5 is fixedly arranged at the circle center of the eccentric wheel 7-6; the wheel surface of the eccentric wheel 7-6 is hinged with the outer side end of the fifth connecting rod 7-7, and the inner side end of the fifth connecting rod 7-7 is hinged on the sector surface of the sector block 7-2; the eccentric mechanism is simple in structure and convenient to connect, the second motor 7-5 works to drive the eccentric wheel 7-6 to rotate, and the eccentric wheel 7-6 rotates to drive the sector block 7-2 to swing around the axis of the third rotating shaft 7-3 through the fifth connecting rod 7-7.
Continuing and combining with the drawings 11 and 12, the first electromagnetic locking component and the second electromagnetic locking component have the same structure, and both comprise a plurality of operating sliders 9-2 which are uniformly distributed along the circumference of the intermediate shaft shell A-1 and telescopically arranged on the intermediate shaft shell A-1, and an electromagnetic telescopic driving mechanism which is used for controlling the plurality of operating sliders 9-2 to simultaneously extend out to be clamped and fixed with the clamping grooves 7-8-1 on the gears 7-8 or simultaneously retract to release the gears 7-8, the electromagnetic telescopic driving mechanism comprises a hollow sliding shaft 9-3 which is slidably arranged in the intermediate shaft shell A-1 and an electromagnetic valve 9-1 which is arranged at two sides of the hollow sliding shaft 9-3 and fixedly arranged on the intermediate shaft shell A-1, the hollow sliding shaft 9-3 is slidably sleeved on the fixed shaft 9-4, the hollow sliding shaft 9-3 is controlled by two electromagnetic valves 9-1 to reciprocate on a fixed shaft 9-4; a plurality of running chutes 9-3-1 are uniformly distributed on the hollow sliding shaft 9-3 along the circumferential direction of the hollow sliding shaft, and the bottom wall of each running chute 9-3-1 is a driving inclined surface 9-3-2 for driving the running slide block 9-2 to do telescopic motion; the lower end of the running slide block 9-2 is arranged on the driving inclined plane 9-3-2, the lower surface of the running slide block 9-2 is a sliding inclined plane 9-2-2 matched with the driving inclined plane, and the guide slide block 9-2-1 on the sliding inclined plane 9-2 is in sliding connection with the guide chute 9-3-3 arranged on the driving inclined plane 9-3-2, so that the running slide block can move more stably; the lower end of the operating slide block 9-2 is fixedly connected with one end of a spring 9-5, and the other end of the spring 9-5 is fixedly connected with a spring seat 9-6 fixedly arranged on the fixed shaft 9-4 after penetrating through the guide chute 9-3-3; the upper end of the operating slide block 9-2 is connected with an outlet arranged on the middle shaft shell A-1 in a sliding way;
the electromagnetic locking assembly is simple in structure and convenient to connect, switching of large-amplitude tilting motion and small-amplitude swinging motion can be achieved by controlling the electromagnetic locking assembly, the electromagnetic telescopic driving mechanism can control the plurality of running sliding blocks to simultaneously extend out or retract back, further the control gear and the supporting shaft to rotate together or the control gear and the supporting shaft to rotate relatively, when one of the two electromagnetic valves is electrified, the hollow sliding shaft is adsorbed to the electrified electromagnetic valve to move, and the two electromagnetic valves are alternatively electrified to control the hollow sliding shaft to do reciprocating motion; when the operation sliding blocks ascend along the driving inclined plane, the operation sliding blocks simultaneously extend out under the action of the driving inclined plane, the gear and the supporting shaft are connected together in a mode that the operation sliding blocks are clamped with clamping grooves in the gear, and when the operation sliding blocks descend along the driving inclined plane, the operation sliding blocks retract simultaneously under the action of the springs, so that the gear and the supporting shaft are in clearance fit.
The old people assisting bed meeting the comfort requirement is simple in structure, convenient to connect and powerful in function, can achieve the functions of small-amplitude swinging of a bed board, large-amplitude inclination of the bed board, automatic lifting of armrests and leg bending and back lifting movement, fully meets the comfort requirement of old people, can assist the old people to get on or off the bed, and solves the problem of difficulty in transfer between a wheelchair and the bed.
The present invention and its embodiments have been described above schematically, without limitation, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching, without departing from the spirit of the invention, the person skilled in the art shall not inventively design the similar structural modes and embodiments to the technical solution, but shall fall within the scope of the invention.
Claims (10)
1. An old-helping bed meeting the requirement of comfort level comprises a bed board and a bed frame, wherein the bed board is fixedly arranged on the bed frame; the method is characterized in that: the bed frame comprises a top welding frame (1-1), a middle welding frame (1-2) and a base welding frame (1-3), wherein a first supporting shaft (2) fixedly arranged in the middle of the top welding frame (1-1) is arranged in the middle of the upper surface of the middle welding frame (1-2) through a bearing seat, a second supporting shaft (3) fixed in the middle of the lower surface of the middle welding frame (1-2) is arranged in the middle of the base welding frame (1-3) through a bearing seat, the first supporting shaft (2) is arranged along the left-right direction, and the second supporting shaft (3) is arranged along the front-back direction;
the middle welding frame (1-2) is provided with a first small-amplitude swinging driving mechanism and a first large-amplitude tilting driving mechanism; the first large-amplitude inclination driving mechanism is connected with a first push-pull rod (4) which is rotatably arranged on the top welding frame (1-1) and is used for controlling the top welding frame (1-1) to be inclined greatly around the axis of the first supporting shaft (2) by pushing and pulling the first push-pull rod (4) through the first large-amplitude inclination driving mechanism; the gear (7-8) in the first small-amplitude swing driving mechanism is in clearance fit with the first supporting shaft (2), and the gear (7-8) in the first small-amplitude swing driving mechanism is connected with the first supporting shaft (2) through a first electromagnetic stopping assembly and used for controlling whether the first small-amplitude swing driving mechanism can drive the first supporting shaft (2) to rotate or not through the first electromagnetic stopping assembly, so that whether the top welding frame (1-1) swings around the axis of the first supporting shaft (2) in a small amplitude or not and whether the first small-amplitude swing driving mechanism and the first large-amplitude tilt driving mechanism are switched or not is realized;
a second small-amplitude swinging driving mechanism and a second large-amplitude tilting driving mechanism are arranged on the base welding frame (1-3); the second large-amplitude inclination driving mechanism is connected with a second push-pull rod (5) which is rotatably arranged on the middle welding frame (1-2) and is used for controlling the middle welding frame (1-2) to be inclined greatly around the axis of the second support shaft (3) by pushing and pulling the second push-pull rod (5) through the second large-amplitude inclination driving mechanism; gears (7-8) in the second small-amplitude swing driving mechanism are in clearance fit with the second support shaft (3), and the gears (7-8) in the second small-amplitude swing driving mechanism are connected with the second support shaft (3) through a second electromagnetic stop assembly to control whether the second small-amplitude swing driving mechanism can drive the second support shaft (3) to rotate or not through the second electromagnetic stop assembly, so that whether the middle welding frame swings around the axis of the second support shaft (3) in a small amplitude or not and whether the second small-amplitude swing driving mechanism and the second large-amplitude tilt driving mechanism are switched or not is realized;
the handrail components are arranged on the left side and the right side of the bed board and are connected with the bed board through a handrail up-down driving mechanism.
2. A geriatric bed as claimed in claim 1 which meets the comfort requirement, wherein: the handrail up-and-down driving mechanism comprises a third motor (11-3), an upper bearing plate (11-1) and a lower bearing plate (11-2) positioned on the inner side of the upper bearing plate (11-1), and the handrail component is fixedly arranged on the upper surface of the upper bearing plate (11-1); the lower bearing plate (11-2) is fixedly arranged on the back surface of the bed plate; the upper bearing plate (11-1) is connected with the lower bearing plate (11-2) through a parallelogram mechanism; the parallelogram mechanism comprises an upper inclined rod (11-4) and a lower inclined rod (11-5) which are arranged in parallel and arranged in front and back, the upper end of the upper inclined rod (11-4) is hinged with the lower end of a first short vertical block (11-6), the upper end of the lower inclined rod (11-5) is hinged with the lower end of a first long vertical block (11-12), and the first short vertical block (11-6) and the first long vertical block (11-12) are fixedly arranged on the lower surface of the upper bearing plate (11-1); the lower end of the upper inclined rod (11-4) is hinged with the lower end of the second short vertical block (11-13), the lower end of the lower inclined rod (11-5) is hinged with the lower end of the second long vertical block (11-14), and the second short vertical block (11-13) and the second long vertical block (11-14) are fixedly arranged on the lower surface of the lower bearing plate (11-2); an output shaft of the third motor (11-3) is connected with an input end of a second worm gear reducer (11-7), and the second worm gear reducer (11-7) is installed on the outer side surface of the top welding frame (1-1) through a reducer installation seat; the output end of the second worm gear reducer (11-7) is provided with a driving gear (11-8), and the driving gear (11-8) is connected with a driven gear (11-10) through an annular chain (11-9); the driven gear (11-10) is fixedly arranged on a shaft section at one end of a flange pin (11-11) which is arranged at the hinged position of the second long vertical block (11-14) and the lower inclined rod (11-5) in a penetrating mode, and a flange plate at the other end of the flange pin (11-11) is fixedly connected with the lower inclined rod (11-5).
3. A geriatric bed as claimed in claim 1 which meets the comfort requirement, wherein: the handrail component comprises a handrail plate (12-1), the handrail plate (12-1) is vertically arranged on a clamping plate seat (12-2) fixedly arranged on the upper surface of the upper bearing plate (11-1), the handrail plate (12-1) is fixedly connected with clamping plates (12-3) positioned on two sides of the handrail plate (12-1), and the lower end of the clamping plate (12-3) is vertically and fixedly arranged on the clamping plate seat (12-2).
4. A geriatric bed as claimed in claim 1 which meets the comfort requirement, wherein: the first large-amplitude inclination driving mechanism and the second large-amplitude inclination driving mechanism are consistent in structure and respectively comprise a third push-pull rod (6-8), a first linear sliding module and a first motor (6-7) for controlling the first linear sliding module to slide and work, the first linear sliding module comprises a spline lead screw (6-1), a spline nut (6-2) and a first sliding plate (6-3), and the spline nut (6-2) and a first guide sleeve (6-4) are fixedly arranged on the first sliding plate (6-3); the spline nut (6-2) is sleeved on the spline screw rod (6-1), and the first guide sleeve (6-4) is sleeved on the first guide rod (6-5); both ends of the spline screw rod (6-1) and both ends of the first guide rod (6-5) are respectively and rotatably supported on a first supporting beam and a second supporting beam in the middle welding frame (1-2) or the base welding frame (1-3); one end of the spline screw rod (6-1) is connected with an output shaft of a first motor (6-7) through a first worm gear reducer (6-6) arranged on a reducer mounting plate on the middle welding frame or the base welding frame; the third push-pull rod (6-8) is arranged above the first sliding plate (6-3), and the third push-pull rod (6-8) and the first sliding plate (6-3) are arranged in parallel; two ends of the third push-pull rod (6-8) are rotatably supported on two first supporting blocks (6-9) fixedly arranged on the first sliding plate (6-3); the third push-pull rod (6-8) can be rotatably arranged at one end of the first connecting rod (6-10) in a penetrating way, and the other end of the first connecting rod (6-10) can be rotatably sleeved on the first push-pull rod (4) or the second push-pull rod (5).
5. A geriatric bed as claimed in claim 1 which meets the comfort requirement, wherein: the first small-amplitude swing driving mechanism and the second small-amplitude swing driving mechanism are consistent in structure and respectively comprise a gear (7-8), a fan-shaped block (7-2), a mounting seat (7-1) and an arc-shaped gear ring (7-4), wherein the mounting seat (7-1) is fixedly arranged on the middle welding frame (1-2) or the base welding frame (1-3), the arc-shaped gear ring can be meshed with the gear (7-8), a third rotating shaft (7-3) is arranged at the circle center of the fan-shaped block (7-2), and two ends of the third rotating shaft (7-3) are respectively and rotatably supported on two third lug plates of the mounting seat (7-1); the fan-shaped block (7-2) is driven by an eccentric mechanism to swing; an arc-shaped track (7-2-1) and flanges (7-2-2) positioned at two ends of the fan-shaped track (7-2-1) are processed on the circumferential surface of the fan-shaped block (7-2); the arc-shaped gear ring (7-4) is arranged on the fan-shaped block (7-2) in a manner of sliding connection with the arc-shaped track (7-2-1) through the arc-shaped groove on the inner circumferential surface of the arc-shaped gear ring (7-4).
6. A geriatric bed as claimed in claim 1 which meets the comfort requirement, wherein: the eccentric mechanism comprises a second motor (7-5) and an eccentric wheel (7-6), the second motor (7-5) is fixedly arranged on a bottom plate of the mounting seat (7-1), and a horizontal output shaft of the second motor (7-5) is fixedly arranged at the circle center of the eccentric wheel (7-6); the wheel surface of the eccentric wheel (7-6) is hinged with the outer side end of the fifth connecting rod (7-7), and the inner side end of the fifth connecting rod (7-7) is hinged on the sector surface of the sector block (7-2).
7. A geriatric bed as claimed in claim 1 which meets the comfort requirement, wherein: the structure of the first supporting shaft (2) is consistent with that of the second supporting shaft (3), the first supporting shaft (2) and the second supporting shaft (3) both comprise a middle shaft shell (A-1) used for mounting a first electromagnetic locking component or a second electromagnetic locking component and a connecting shaft section (A-2) fixedly arranged on two sides of the middle shaft shell (A-1), openings at two ends of the middle shaft shell (A-1) are both in threaded connection with end covers (A-4), and the end covers (A-4) are connected with the connecting shaft section (A-2) in a clamping mode of a regular polygon convex block (A-4-1) and a regular polygon groove; the end part of the free end of the connecting shaft section (A-2) is provided with a regular polygon connecting block (A-3), and the connecting shaft section (A-2) is connected with a connecting plate (10) fixedly arranged on the top welding frame (1-1) or the middle welding frame (1-2) in a mode that the regular polygon connecting block (A-3) is inserted into a regular polygon hole formed in the connecting plate (10).
8. A geriatric bed as claimed in claim 1 which meets the comfort requirement, wherein: the first electromagnetic stopping component and the second electromagnetic stopping component have the same structure, and both comprise a plurality of operating slide blocks (9-2) which are uniformly distributed along the circumference of the middle shaft shell (A-1) and telescopically arranged on the middle shaft shell (A-1) and an electromagnetic telescopic driving mechanism which is used for controlling the plurality of operating slide blocks (9-2) to simultaneously extend out to be clamped and fixed with a clamping groove (7-8-1) on the gear (7-8) or simultaneously retract to release the gear (7-8), the electromagnetic telescopic driving mechanism comprises a hollow sliding shaft (9-3) which is slidably arranged in the middle shaft shell (A-1) and an electromagnetic valve (9-1) which is arranged at two sides of the hollow sliding shaft (9-3) and fixedly arranged on the middle shaft shell (A-1), the hollow sliding shaft (9-3) is slidably sleeved on the fixed shaft (9-4), the hollow sliding shaft (9-3) is controlled by two electromagnetic valves (9-1) to reciprocate on the fixed shaft (9-4); a plurality of running chutes (9-3-1) are uniformly distributed on the hollow sliding shaft (9-3) along the circumferential direction of the hollow sliding shaft, and the bottom wall of each running chute (9-3-1) is a driving inclined plane (9-3-2) for driving the running slide block (9-2) to do telescopic motion; the lower end of the running slide block (9-2) is arranged on the driving inclined plane (9-3-2), the lower surface of the running slide block (9-2) is a sliding inclined plane (9-2-2) matched with the driving inclined plane, and a guide slide block (9-2-1) on the sliding inclined plane (9-2-2) is in sliding connection with a guide sliding chute (9-3-3) arranged on the driving inclined plane (9-3-2); the lower end of the operating slide block (9-2) is fixedly connected with one end of a spring (9-5), and the other end of the spring (9-5) penetrates through the guide chute (9-3-3) and is fixedly connected with a spring seat (9-6) fixedly arranged on the fixed shaft (9-4); the upper end of the operating slide block (9-2) is connected with an outlet arranged on the middle shaft shell (A-1) in a sliding way.
9. A geriatric bed as claimed in claim 1 which meets the comfort requirement, wherein: the bed board consists of a front bed board (8-1), a middle bed board (8-2) and a rear bed board (8-3), wherein the middle bed board (8-2) is fixedly arranged on a top welding frame (1-1) through a middle bed board supporting frame (8-4); the back end of the back surface of the front bed plate (8-1) is connected with the front end of the back surface of the middle bed plate (8-2) through an arc-shaped hinge, and the back end of the back surface of the middle bed plate (8-2) is connected with the front end of the back surface of the back bed plate (8-3) through an arc-shaped hinge; the bed board is connected with a middle bed board supporting frame (8-4) through a leg bending and back lifting mechanism; the leg-bending and back-lifting mechanism comprises a second electric push rod (13-1) and a first electric push rod (13-2), wherein the driving end of the first electric push rod (13-2) is hinged with a hinged seat fixedly arranged on the back of the front bed plate (8-1) through a hinged shaft; the fixed end of the first electric push rod (13-2) is hinged with a hinged seat fixedly arranged on the front side surface of the middle bed plate supporting frame (8-4) through a hinged shaft; the driving end of the second electric push rod (13-2) is hinged with a hinged seat fixedly arranged on the back surface of the rear bed plate (8-3) through a hinged shaft; the fixed end of the second electric push rod (13-2) is hinged with a hinged seat fixedly arranged on the rear side surface of the middle bed plate supporting frame (8-4) through a hinged shaft.
10. A geriatric bed as claimed in claim 1 which meets the comfort requirement, wherein: the arc-shaped hinge comprises a first arc-shaped arm (14-1) and two second arc-shaped arms (14-2); the fixed end of the first arc-shaped arm (14-1) is fixedly connected with a first bolt fixing plate (14-3); the fixed ends of the two second arc-shaped arms (14-2) are fixedly connected with a second bolt fixing plate (14-4); the hinged end of the first arc-shaped arm (14-1) is arranged between the two second arc-shaped arms (14-2), and the hinged end of the first arc-shaped arm (14-1) is connected with the arc-shaped groove (14-2-1) on the second arc-shaped arm (14-2) in a sliding mode through an expansion pin (14-5).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010798377.1A CN111956415B (en) | 2020-08-11 | 2020-08-11 | Help old bed that satisfies comfort level requirement |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010798377.1A CN111956415B (en) | 2020-08-11 | 2020-08-11 | Help old bed that satisfies comfort level requirement |
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| CN111956415A true CN111956415A (en) | 2020-11-20 |
| CN111956415B CN111956415B (en) | 2021-06-04 |
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| CN111956415B (en) | 2021-06-04 |
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