CN107320261B - Auxiliary getting-up bed with lifting device - Google Patents

Auxiliary getting-up bed with lifting device Download PDF

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Publication number
CN107320261B
CN107320261B CN201710507283.2A CN201710507283A CN107320261B CN 107320261 B CN107320261 B CN 107320261B CN 201710507283 A CN201710507283 A CN 201710507283A CN 107320261 B CN107320261 B CN 107320261B
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China
Prior art keywords
lifting device
bed
gear
pull rod
frame
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CN201710507283.2A
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Chinese (zh)
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CN107320261A (en
Inventor
陈晓平
高海迪
余昇
李亚军
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Ningbo University of Technology
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Ningbo University of Technology
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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
    • 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
    • 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
    • A61G2200/00—Information related to the kind of patient or his position
    • A61G2200/10—Type of patient
    • A61G2200/20—Type of patient with asymmetric abilities, e.g. hemiplegic or missing a limb
    • 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
    • A61G2203/00—General characteristics of devices
    • A61G2203/70—General characteristics of devices with special adaptations, e.g. for safety or comfort

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  • Health & Medical Sciences (AREA)
  • Nursing (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Invalid Beds And Related Equipment (AREA)

Abstract

The invention discloses an auxiliary getting-up bed with a lifting device, which comprises a bed frame, a transmission rod group and the lifting device, wherein the transmission rod group is arranged on the bed frame; the bed frame is provided with a fixed bed board and a movable bed board, and the left side and the right side of the bed frame are both provided with a lifting device; the left side and the right side of the movable bed board are respectively provided with a left support frame and a right support frame; the transmission rod group is provided with a first connecting shaft, a second connecting shaft and a third connecting rod; one end of the second connecting shaft is fixedly connected with the left support frame, and the other end of the second connecting shaft is fixedly connected with the right support frame. The lifting device is used for converting the position state of the movable bed board, the movable bed board slowly rotates upwards by swinging the pull rod back and forth in the process of changing the flat-laid position state of the movable bed board to the inclined-standing position state, the operation is very simple and convenient, and the descending buffer member below the movable bed board supports the movable bed board at a preset height in the process of changing the inclined-standing position state of the movable bed board to the flat-laid position state, so that the movable bed board is prevented from rotating downwards too fast.

Description

Auxiliary getting-up bed with lifting device
Technical Field
The invention relates to the technical field of articles for daily use, in particular to an auxiliary getting-up bed with a lifting device.
Background
China already steps into an aging society, old people have frequent cardiovascular and cerebrovascular diseases, and patients with the diseases need to be assisted by nurses to get up because the diseases affect the activities of limbs on one side or the paralysis of the lower half of the body in the recovery period and in the life in the future, and the getting up modes are not beneficial to the diseases and the patients to actively regulate getting up, and can not be independently finished when getting up.
A lifting booster with the existing publication number of CN205251893U relates to the field of medical auxiliary appliances and comprises a horizontally arranged rope strand, wherein the front end of the rope strand is fixed on a frame, a plurality of knots and a plurality of wood handles are arranged on the rope strand at intervals, and the knots and the wood handles are in one-to-one correspondence; each wooden handle is vertically inserted into the rope strands, the rear side of each wooden handle abuts against the corresponding knot, and a positioning ring groove is formed in the middle of each wooden handle; the positioning device also comprises a plurality of positioning ropes, the positioning ropes correspond to the wood handles one to one, one end of each positioning rope is wound in the corresponding positioning ring groove, and the other end of each positioning rope is wound on the strand at the front side of the corresponding wood handle. The location rope can fix a position the wooden handle, can prevent effectively that the wooden handle from taking place the displacement of level or vertical direction when being held up by the patient, but, the booster of getting up rely on the arm power to get up completely, more difficult to some old man or patient, it is too big to get up.
A power-assisted folding bed with the prior publication number CN2163631Y is characterized in that two bed drawers are hinged together, two connecting rods are hinged to the bottom surface of one bed drawer, the other ends of the connecting rods are hinged to a nut piece, the nut piece is assembled on two sides of a screw rod which is a positive and negative screw buckle from the middle outwards, the screw rod is fixed on a bed frame through a bearing, the end of the screw rod exceeds the edge of the bed, and a carrying handle which can carry the screw rod in a single direction and is reversely and reversely buckled is arranged on the screw rod. The power-assisted folding bed is not easy to control when the inclination of the bed drawer is adjusted, when the bed drawer needs to be rotated upwards, if the operation is unstable, the bed drawer can rotate downwards, the bed drawer is limited to rotate downwards in the process, the old people or patients are very dangerous, a descending buffer component is not arranged, when the bed drawer rotates downwards, the bed drawer rotates too fast due to gravity, the old people or patients on the bed are very dangerous, the power-assisted folding bed is complex to operate, the carrying handle needs to be moved back and forth when the bed drawer is folded and the bed drawer is flatly laid in a conversion state, and the carrying handle is difficult to mount and dismount repeatedly.
Disclosure of Invention
The invention aims to solve the technical problem of providing an auxiliary getting-up bed with a lifting device in order to overcome the defects in the prior art.
The technical scheme adopted by the invention for solving the technical problems is that the lifting device is used for helping the old people or patients to independently lift up, and the invention provides an auxiliary rising bed with the lifting device, which comprises:
a lifting device; the lifting device is provided with a transmission mechanism and a fixing mechanism;
the transmission mechanism is provided with a first connecting rod, a pull rod with a first pawl, a first gear meshed with the first pawl and a second gear meshed with the first gear; one end of the first connecting rod is fixed on the side body of the pull rod, and the other end of the first connecting rod is fixedly connected with the shaft of the first gear;
the fixing mechanism is provided with a ratchet wheel coaxially connected with the second gear and a second pawl meshed with the ratchet wheel.
Furthermore, the diameter of the lower end of the pull rod is larger than that of the upper end of the pull rod, a first sleeve is sleeved at the junction of the upper end of the pull rod and the lower end of the pull rod, a spring sleeved at the upper end of the pull rod is arranged between the inner wall of the first sleeve and the outer wall of the pull rod, and the pull rod is pulled to enable the spring to be compressed to enable the first pawl to withdraw from the tooth groove of the first pawl.
Further, the first pawl has a ratchet tooth or a plurality of ratchet teeth, and the cross section of the ratchet tooth is triangular.
Furthermore, a second connecting rod penetrating through the second pawl is further arranged on the second pawl, and the second pawl extends into a tooth groove of the ratchet wheel or withdraws from the tooth groove of the ratchet wheel by rotating the second connecting rod.
Further, the method comprises the following steps:
a bed frame; the bed frame is provided with a fixed bed board and a movable bed board hinged with the bed frame, and the left side and the right side of the bed frame are both provided with a lifting device; the left side and the right side of the movable bed board are respectively provided with a left support frame and a right support frame;
a drive rod group; the transmission rod group is provided with a first connecting shaft, a second connecting shaft, a third connecting rod and two fourth connecting rods; one end of the third connecting rod is sleeved on the first connecting shaft, the other end of the third connecting rod is sleeved on the second connecting shaft, the left end of the first connecting shaft is connected with a shaft of a second gear in a lifting device on the left side of the bed frame through the fourth connecting rod, the right end of the first connecting shaft is connected with a shaft of a second gear in a lifting device on the right side of the bed frame through the fourth connecting rod, one end of the second connecting shaft is fixedly connected with the left supporting frame, and the other end of the second connecting shaft is fixedly connected with the right supporting frame;
the movable bed plate has a flat-laying position state and an inclined-standing position state, and the position state of the movable bed plate is converted by driving the transmission rod group through the lifting device.
Further, the device also comprises a descending buffering component; the descending buffering component is provided with a second sleeve, a spring and a piston connecting rod, the spring and the piston connecting rod are arranged in an inner cavity of the second sleeve, and the piston connecting rod is positioned above the spring; oil is also arranged in the inner cavity of the second sleeve;
the descending buffering component is fixed on the bed frame and positioned below the movable bed board, and supports the movable bed board at a preset height and slows down the downward rotation speed of the movable bed board in the process of converting the inclined position state of the movable bed board into the flat position state.
Furthermore, the bed frame is rectangular, and four support legs are further arranged on the bed frame.
Furthermore, the left side and the right side of the bed frame are respectively provided with a safety guardrail, and the left side and the right side of the bed frame are respectively provided with a pull rod fixing frame.
Furthermore, a baffle is fixed on the bed frame and provided with a spring which is connected with the second pawl.
Furthermore, the left support frame is symmetrical with the right support frame, and the left support frame is L-shaped.
The invention has the following advantages:
1. the lifting device is used for converting the position state of the movable bed board, the movable bed board slowly rotates upwards by swinging the pull rod back and forth in the process of changing the position state of the movable bed board from a flat laying position state to an inclined standing position state, the operation is very simple, the descending buffer member below the movable bed board supports the movable bed board at a preset height in the process of changing the position state of the movable bed board from the inclined standing position state to the flat laying position state, the movable bed board is prevented from rotating downwards too fast,
2. the old people or patients can get up by themselves with labor saving by utilizing the arm strength and the thrust given by the movable bed plate which converts the body inertia during the force and the arm strength.
3. The lifting bed is very safe, the actions of lifting the bed can be finished step by step, the stacking can be accumulated, one step in place is not needed, the operation difficulty is very small, and each action of the lifting device can be slowly carried out.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic view of the connection of the lifting device of the present invention;
FIG. 3 is an exploded view of the tie rod of the present invention;
FIG. 4 is a schematic view of the connection of the drive rod assembly of the present invention;
fig. 5 is an exploded view of the descent damping member of the present invention.
Detailed Description
The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.
Referring to fig. 1 to 5, the invention relates to an auxiliary getting-up bed with a lifting device, which comprises a bed frame 100, a transmission rod set 200, a lifting device 300 and a descending buffer member 400.
The bed frame 100 is provided with a fixed bed plate 110 and a movable bed plate 120, the lifting devices 300 are fixed on the left and right sides of the bed frame 100, the descending buffer member 400 is fixed on the bed frame 100, the descending buffer member 400 is located at the lower position of the bed frame 100, the transmission rod set 200 is connected with the movable bed plate 120 and the lifting device 300, the lifting device 300 is driven to drive the transmission rod set 200, and the transmission rod set 200 drives the movable bed plate 120.
The movable bed board 120 is hinged to the bed frame 100, and when the driving rod set 200 drives the movable bed board 120, the movable bed board 120 is in a rotating state, and whether the movable bed board 120 rotates downwards or upwards depends on how to operate the lifting device 300.
The relative position of the movable bed board 120 and the bed frame 100, the movable bed board 120 has an inclined position state and a flat position state; the movable bed plate 120 rotates downward from the inclined position to the flat position of the movable bed plate 120, and the movable bed plate 120 rotates upward from the flat position to the inclined position of the movable bed plate 120.
In order to prevent the movable panel 120 from rotating downward too fast due to gravity, the descending buffering member 400 supports the movable panel 120 at a predetermined height to slow down the downward rotation of the movable panel 120.
The lifting device 300 is provided with a transmission mechanism and a fixing mechanism.
The transmission mechanism is provided with a first connecting rod 310, a pull rod 320 with a first pawl 321, a first gear 330 meshed with the first pawl 321 and a second gear 340 meshed with the first gear 330; one end of the first connecting rod 310 is fixed on the side of the pull rod 320, and the other end thereof is fixedly connected with the shaft of the first gear 330.
The diameter of the lower end of the pull rod 320 is larger than that of the upper end of the pull rod 320, a first sleeve 322 is sleeved at the junction of the upper end of the pull rod 320 and the lower end of the pull rod 320, a spring sleeved at the upper end of the pull rod 320 is arranged between the inner wall of the first sleeve 322 and the outer wall of the pull rod 320, a handle 323 is arranged at the upper end of the pull rod 320 to facilitate holding of people, the spring is compressed by pulling the pull rod 320, so that the first pawl 321 can be withdrawn from the tooth groove of the first gear 330, the pull rod 320 is elongated, and the elongated pull rod 320 can be stabilized through the handle 323.
The fixing mechanism is provided with a ratchet wheel 350 coaxially connected with the second gear 340 and a second pawl 360 meshed with the ratchet wheel 350, the ratchet wheel 350 coaxial with the second gear 340 can rotate anticlockwise, the ratchet wheel 350 is matched with the second pawl 360 and cannot rotate clockwise, a baffle is further fixed on the bedstead 100, and the baffle is provided with a spring and is connected with the second pawl 360.
The cross sections of the gear teeth of the first gear 330 and the second gear 340 are rectangular, the cross section of the ratchet tooth of the first pawl 321 is a right triangle, the ratchet tooth has a front plane and a tilted plane, when the first gear 330 is engaged with the first pawl 321, the front plane of the ratchet tooth is tightly attached to one plane of the gear teeth of the first gear 330, in this embodiment, when the pull rod 320 is pulled to swing clockwise, the pull rod 320 can drive the first gear 330 to rotate clockwise and drive the second gear 340 to rotate counterclockwise, and further drive the ratchet 350 to rotate counterclockwise.
When the pull rod 320 is pulled to swing anticlockwise, the ratchet wheel 350 cannot rotate clockwise, so that the second gear 340 cannot rotate clockwise, the first gear 330 cannot rotate clockwise, the inclined plane of the ratchet teeth is not attached to the plane of the gear teeth, the inclined plane of the ratchet teeth passes through the gear teeth of the first gear 330, the ratchet teeth of the first pawl 321 can slide out of one gear tooth slot of the first gear 330 and enter the other gear tooth slot, and when the pull rod 320 is pulled to swing anticlockwise, the first gear 330 and the pull rod 320 generate relative displacement. Therefore, when the pull rod 320 is pulled in a reciprocating manner, the first gear 330 rotates only clockwise, and the second gear 340 rotates only counterclockwise.
An L-shaped left support frame 121 is arranged on the left side of the movable bed plate 120, and an L-shaped right support frame 122 is arranged on the right side of the movable bed plate 120.
The transmission rod set 200 is provided with a first connecting shaft 210, a second connecting shaft 220, a third connecting rod 230 and two fourth connecting rods 240; one end of the third link 230 is fitted over the first link shaft 210, and the other end is fitted over the second link shaft 220, the left end of the first link shaft 210 is connected to the shaft of the second gear 340 of the left lifting device 300 on the frame 100 through the fourth link 240, and the right end of the first link shaft 210 is connected to the shaft of the second gear 340 of the right lifting device 300 on the frame 100 through the fourth link 240.
One end of the second connecting shaft 220 is fixedly connected to the left support frame 121, and the other end thereof is fixedly connected to the right support frame 122.
The pull rod 320 is pulled to rotate clockwise, the first gear 330 engaged with the first pawl 321 also rotates clockwise, the second gear 340 engaged with the first gear 330 rotates counterclockwise, the second gear 340 drives the first connecting shaft 210 to rotate counterclockwise and further drives the second connecting shaft 220 to rotate counterclockwise, so as to drive the movable bed plate 120 to rotate upward.
The second pawl 360 is further provided with a second connecting rod passing through the second pawl 360, and the second pawl 360 is extended into or withdrawn from the tooth space of the ratchet wheel 350 by rotating the second connecting rod.
When the movable plate 120 needs to be placed in a flat-laid position from an inclined position, the second connecting rod is rotated to enable the second pawl 360 to withdraw from the tooth groove of the ratchet wheel 350, so that the second pawl 360 does not limit the ratchet wheel 350 to rotate clockwise any more, and the ratchet teeth of the first pawl 321 in the pull rod 320 need to withdraw from the tooth groove of the first gear 330, at the same time, the downward rotation of the movable plate is not hindered.
In the process of pulling out the ratchet teeth of the pull rod 320 from the tooth grooves of the first gear 330, the bedstead 100 is further provided with a pull rod 320 fixing frame, the pull rod 320 is provided with a spring and a first sleeve 322 sleeved on the pull rod 320, the pull rod 320 is connected with the shaft of the first gear 330 through the first connecting rod 310, the first pawl 321 in the pull rod 320 can be pulled out from the tooth grooves of the first gear 330 in the radial direction of the first gear 330, and at the moment, the pull rod 320 is fixed on the pull rod 320 fixing frame, so that the ratchet teeth in the pull rod 320 are prevented from being reset by the elasticity of the spring.
The descent buffering member 400 is provided with a second sleeve 410, a spring and a piston rod 420, the spring and the piston rod 420 are disposed in an inner cavity of the second sleeve 410, and the piston rod 420 is located above the spring; the inner cavity of the second sleeve 410 is further provided with oil, and the inner cavity of the second sleeve 410 is further provided with small holes along the radial direction of the first sleeve 322.
When the movable bed plate 120 rotates downwards and the descending buffering member 400 supports the movable bed plate 120 at a preset height, the piston rod 420 moves downwards, the spring compresses oil in the second sleeve 410, the oil overflows from the small hole, the diameter of the small hole is small, the oil overflow speed is slow, the downward speed of the piston rod 420 is slow, and the speed of slowing down the downward rotation of the movable bed plate 120 is achieved.
The descending buffering member 400 is fixed to the frame 100 and located below the movable deck 120, and when the movable deck 120 is changed from an inclined position to a flat position, the descending buffering member 400 supports the movable deck 120 at a predetermined height and slows down the downward rotation speed of the movable deck 120.
The bed frame 100 is rectangular, the bed frame 100 is further provided with four legs 130, and when the movable bed board 120 is in the flat-laid position, the left support frame 121 and the right support frame 122 also have the function of the legs 130 (supporting the bed frame 100).
The left side and the right side of the bed frame 100 are respectively provided with a safety fence 140, the left side and the right side of the bed frame 100 are respectively provided with a pull rod fixing frame 150, and the safety fence 140 is used for preventing the old or the patient from falling down from the bed.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.

Claims (9)

1. A lifting device, comprising:
a lifting device; the lifting device is provided with a transmission mechanism and a fixing mechanism;
the transmission mechanism is provided with a first connecting rod, a pull rod with a first pawl, a first gear meshed with the first pawl and a second gear meshed with the first gear; one end of the first connecting rod is fixed on the side body of the pull rod, and the other end of the first connecting rod is fixedly connected with a shaft of the first gear;
the fixing mechanism is provided with a ratchet wheel coaxially connected with the second gear and a second pawl meshed with the ratchet wheel;
when the ratchet wheel is engaged with the second pawl, the ratchet wheel can rotate anticlockwise;
the first pawl is provided with a ratchet tooth or a plurality of ratchet teeth, the cross section of the ratchet tooth is a right triangle, the ratchet tooth is provided with a front plane and a bevel plane, the first gear is provided with a plurality of tooth grooves, when the pull rod swings clockwise, the front plane is attached to the tooth surface of the first gear and drives the first gear to rotate clockwise, and when the pull rod rotates anticlockwise, the ratchet tooth enters another adjacent tooth groove from one tooth groove through the bevel plane.
2. A lifting device as claimed in claim 1, characterized in that: the diameter of the lower end of the pull rod is larger than that of the upper end of the pull rod, a first sleeve is sleeved at the junction of the upper end of the pull rod and the lower end of the pull rod, a handle is arranged at the upper end of the pull rod, a spring sleeved at the upper end of the pull rod is arranged between the inner wall of the first sleeve and the outer wall of the pull rod, and the pull rod is pulled to enable the spring to be compressed to enable the first pawl to withdraw from the tooth groove of the first gear.
3. A lifting device as claimed in claim 1, characterized in that: the second pawl is also provided with a second connecting rod penetrating through the second pawl, and the second pawl extends into a tooth groove of the ratchet wheel or is withdrawn from the tooth groove of the ratchet wheel by rotating the second connecting rod.
4. An assisted wake-up bed with a lifting device, comprising:
a bed frame; the bed frame is provided with a fixed bed board and a movable bed board hinged with the bed frame, and the left side and the right side of the bed frame are both provided with the lifting device according to any one of claims 1 to 3; the left side and the right side of the movable bed board are respectively provided with a left support frame and a right support frame;
a drive rod group; the transmission rod group is provided with a first connecting shaft, a second connecting shaft, a third connecting rod and two fourth connecting rods; one end of the third connecting rod is sleeved on the first connecting shaft, the other end of the third connecting rod is sleeved on the second connecting shaft, the left end of the first connecting shaft is connected with a shaft of a second gear in a lifting device on the left side of the bed frame through the fourth connecting rod, the right end of the first connecting shaft is connected with a shaft of a second gear in a lifting device on the right side of the bed frame through the fourth connecting rod, one end of the second connecting shaft is fixedly connected with the left supporting frame, and the other end of the second connecting shaft is fixedly connected with the right supporting frame;
the movable bed plate has a flat-laying position state and an inclined-standing position state, and the position state of the movable bed plate is converted by driving the transmission rod group through the lifting device.
5. An assisted-getting-up bed with a lifting device according to claim 4, characterized in that: further comprising a descent cushioning member; the descending buffering component is provided with a second sleeve, a spring and a piston connecting rod, the spring and the piston connecting rod are arranged in an inner cavity of the second sleeve, and the piston connecting rod is positioned above the spring; oil liquid is also arranged in the inner cavity of the second sleeve;
the descending buffer component is fixed on the bed frame and is positioned below the movable bed board, and supports the movable bed board at a preset height and slows down the downward rotation speed of the movable bed board in the process of changing the movable bed board from an inclined position state to a flat position state.
6. An assisted-getting-up bed with a lifting device according to claim 4, characterized in that: the bed frame is rectangular and is also provided with four support legs.
7. An assisted-getting-up bed with a lifting device according to claim 4, characterized in that: the left side and the right side of the bed frame are respectively provided with a safety guardrail, and the left side and the right side of the bed frame are respectively provided with a pull rod fixing frame.
8. An assisted-getting-up bed with a lifting device according to claim 4, characterized in that: the bed frame is further fixed with a baffle, and the baffle is provided with a spring and is connected with the second pawl.
9. An assisted-getting-up bed with a lifting device according to claim 4, characterized in that: the left support frame with the right branch strut symmetry, the left branch strut is the L type.
CN201710507283.2A 2017-06-28 2017-06-28 Auxiliary getting-up bed with lifting device Active CN107320261B (en)

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CN107320261B true CN107320261B (en) 2022-11-25

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CN106015472B (en) * 2016-07-05 2018-09-18 张静远 A kind of manual ratchet self-locking bidirectional transmission mechanism
CN207734295U (en) * 2017-06-28 2018-08-17 宁波工程学院 A kind of auxiliary sitting-up bed with lifting device

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