CN110721040A - Auxiliary standing trolley with combined seat board - Google Patents

Auxiliary standing trolley with combined seat board Download PDF

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Publication number
CN110721040A
CN110721040A CN201911222567.2A CN201911222567A CN110721040A CN 110721040 A CN110721040 A CN 110721040A CN 201911222567 A CN201911222567 A CN 201911222567A CN 110721040 A CN110721040 A CN 110721040A
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China
Prior art keywords
fixed
plate
hinged
pulley
frame
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CN201911222567.2A
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Chinese (zh)
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CN110721040B (en
Inventor
李安生
姬鹏先
沈晓滨
李彦彦
章文俊
刘衡
贾文豪
于谦
侯绪坤
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Zhengzhou University of Light Industry
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Zhengzhou University of Light Industry
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Priority to CN201911222567.2A priority Critical patent/CN110721040B/en
Priority claimed from CN201911222567.2A external-priority patent/CN110721040B/en
Publication of CN110721040A publication Critical patent/CN110721040A/en
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Publication of CN110721040B publication Critical patent/CN110721040B/en
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61GTRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G5/00Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
    • A61G5/10Parts, details or accessories
    • A61G5/14Standing-up or sitting-down aids
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61GTRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G5/00Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
    • A61G5/04Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs motor-driven
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61GTRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G5/00Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
    • A61G5/10Parts, details or accessories
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61GTRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G5/00Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
    • A61G5/10Parts, details or accessories
    • A61G5/1056Arrangements for adjusting the seat
    • A61G5/1059Arrangements for adjusting the seat adjusting the height of the seat
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61GTRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G5/00Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
    • A61G5/10Parts, details or accessories
    • A61G5/1091Cushions, seats or abduction devices

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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)
  • Rehabilitation Tools (AREA)

Abstract

The invention relates to an auxiliary standing trolley with combined seat boards, which comprises an underframe, a seat board assembly and an upper arm support, wherein the seat board assembly and the upper arm support are arranged on the underframe, a rear supporting wheel and a universal front wheel are fixed on the underframe, a first supporting upright post is also fixed on the underframe, the upper arm support is hinged on the first supporting upright post through a movable arm and is driven to swing by a first electric push rod, an armpit support and a handle are arranged on the upper arm support, the upper limb of an old man is supported on the armpit support when standing up and standing, the handle is held by hands to keep the body stable, feet are stepped on a bottom board, a left assembly and a right assembly with a left seat board and a right seat board are folded towards the middle, the two seat boards horizontally correspond to provide sitting support for the old man. The invention can assist the old with weak mobility to stand and move, and meet the requirements of indoor and outdoor activities and physical exercises of the old, thereby reducing the labor capacity of nursing personnel or family members, and improving the life self-care capability and the life quality of the old.

Description

Auxiliary standing trolley with combined seat board
Technical Field
The invention relates to the technical field of old-age aids, in particular to an auxiliary standing trolley with a combined seat plate.
Background
Along with the continuous improvement of living standard of people and the continuous improvement of social civilization degree, the call for caring the old and the disabled is higher and higher, the body function of the old is gradually reduced, the walking becomes more difficult, particularly for the old who is inconvenient to move due to diseases, along with the aging of the body, the constitution of the old is worse and more difficult to sit and walk, particularly when the old stands up, the legs need to be unfolded at a larger angle, the muscle needs to overcome larger weight, the force born by the muscle is much larger than that of walking, the old is very difficult to stand up, even some old people need to stand up under the assistance of other people, therefore, the old people often need to accompany at home to complete daily living and living, particularly for the old people who take wheelchairs, the old people are in a sitting posture state for a long time, and lack of sitting posture for a long time, Walking is taken exercise and is leaded to shank muscle atrophy easily, it is unfavorable to the healthy of old man, consequently, it gets rid of the wheelchair in good time and carries out appropriate health activity to need the old man to get up, need have a rest simultaneously at the old man, when going into necessary physiological activities such as lavatory, all need to get up to stand, because the inconvenient and shank debilitation of old man's hand and foot, it leaves the wheelchair relatively difficult and have certain safe risk to get up alone, it stands and leaves the wheelchair to need to get up to stand under other people's assistance usually, but the old man can not have people all at all times on one's side, and it is inconvenient to need other people to assist the end to return to life, consequently, need a device of assisting the.
Disclosure of Invention
In order to solve the problems, the invention provides an auxiliary standing trolley with a combined seat plate.
The specific contents are as follows: supplementary dolly of standing with combination formula bedplate includes the chassis, installs bedplate subassembly and upper arm support on the chassis, characterized by:
a horizontal bottom plate is fixed on the bottom frame, two bilaterally symmetrical supporting rear wheels are arranged at the rear end of the bottom frame, two bilateral universal front wheels are arranged at the front end of the underframe, a first supporting upright post which extends obliquely upwards is fixed at the middle part of the rear end of the underframe, the upper end of the first supporting upright post is hinged with a movable arm which swings in a vertical plane, the middle section of the movable arm is hinged with a first electric push rod, the lower end of a fixed rod of the first electric push rod is hinged on the underframe, the free end of a telescopic rod of the first electric push rod is hinged on the middle section of the movable arm, the upper arm bracket is fixed at the free end of the movable arm, the upper arm support is Y-shaped, two ends of the upper arm support are fixedly provided with symmetrical inclined supporting rods, the lower end of each inclined supporting rod is fixedly provided with a corresponding U-shaped armpit support, and the upper end of each inclined supporting rod is fixedly provided with a corresponding handle;
the seat plate component comprises a guide rod, a left component, a right component and a steel wire rope, wherein the left component and the right component are symmetrical left and right;
the guide rods comprise two guide rods, the two guide rods are horizontally and parallelly fixed on the underframe along the width direction of the underframe, the guide rods are positioned below the bottom plate, a fixed block is fixed in the middle of each guide rod, a vertical rotating shaft is fixed on the upper surface of each fixed block, a linkage plate which freely rotates in the horizontal direction is fixed on each rotating shaft through a rotating pair, each linkage plate is in a long strip shape, each rotating shaft is positioned on the middle point of each linkage plate, each rotating shaft upwards penetrates through each linkage plate, and a limiting ring is fixed at the upper end of each rotating shaft;
the left component comprises a left seat board, a left support frame and a left sliding board, the left sliding board is positioned between the guide rod and the bottom board and is connected on the guide rod in a sliding way, the left sliding board is positioned on the left side of the fixed block and freely slides along the length direction of the guide rod, the upper surface of the left sliding board is provided with a first left pulley, the first left pulley is fixed on the left sliding board through a first left pulley frame, the first left pulley frame is positioned in a first left sliding hole on the bottom board, the first left sliding hole is in a strip shape and is consistent with the length direction of the guide rod, the left sliding board is also hinged with a left connecting rod which freely rotates in the horizontal plane, the free end of the left connecting rod is hinged with one end of the linkage board, the bottom surface of the left sliding board is hinged with a second electric push rod which is parallel to the guide rod, the fixed rod of the second electric push rod is hinged on the bottom surface of the left sliding board, the telescopic rod of the second electric push, the second left sliding hole is long-strip-shaped and is consistent with the length direction of the guide rod, the left seat plate is hinged to the outer side of the upper end of the left support frame through a left hinge shaft, a left torsion spring is sleeved on the left hinge shaft, two ends of the left torsion spring are respectively supported on the bottom surface of the left seat plate and a left extension plate, the left extension plate is correspondingly fixed on the left support frame, a second left pulley frame is hinged to the lower surface of the outer end of the left seat plate, and a second left pulley is mounted on the second left pulley frame;
the right component comprises a right seat plate, a right supporting frame and a right sliding plate; the right sliding plate is positioned between the guide rod and the bottom plate and is connected on the guide rod in a sliding manner, the right sliding plate is positioned on the right side of the fixed block and freely slides along the length direction of the guide rod, the upper surface of the right sliding plate is provided with a first right pulley which is fixed on the right sliding plate through a first right pulley frame, the first right pulley frame is positioned in a first right sliding hole on the bottom plate, the first right sliding hole is in a strip shape and is consistent with the length direction of the guide rod, the right sliding plate is also hinged with a right connecting rod which freely rotates in a horizontal plane, the free end of the right connecting rod is hinged with the other end of the linkage plate, the right supporting frame is fixed on the right sliding plate and penetrates out of a second right sliding hole on the bottom plate upwards, the second right sliding hole is in a strip shape and is consistent with the length direction of the guide rod, the right seat plate is hinged on the outer, two ends of a right torsion spring are respectively supported on the bottom surface of the right seat plate and a right extension plate, the right extension plate is correspondingly fixed on the right support frame, the lower surface of the outer end of the right seat plate is hinged with a second right pulley frame, and a second right pulley is arranged on the second right pulley frame;
one end of the steel wire rope is fixed on the first left pulley frame, the free end of the steel wire rope sequentially rounds the second left pulley, the first left pulley, the limiting ring, the first right pulley and the second right pulley and is tensioned, and finally the steel wire rope is fixed on the first right pulley frame.
Preferably, a base is fixed on the bottom frame, and three pedal guard plates which are laterally erected and fixed on the base in parallel are arranged on the base.
Preferably, a second supporting upright post which extends vertically and upwards is fixed on the pedal guard plate, a cross beam which extends horizontally and inwards is fixed at the upper end of the second supporting upright post, a knee guard plate is fixed at the free end of the cross beam, and the lower end of the fixing rod of the first electric push rod is hinged on the cross beam.
Preferably, the rear end of the upper arm support is fixed with a connecting sleeve, the connecting sleeve is matched with the movable arm and sleeved on the free end of the movable arm, and the connecting sleeve and the movable arm are relatively fixed through adjusting holes in a bolt penetrating mode.
Preferably, the supporting rear wheel is coaxially fixed with an output shaft of a driving motor, and the driving motor is fixed on the bottom surface of the underframe.
Preferably, the left support frame and the right support frame are both formed by fixing round rods in a triangular shape.
The invention has the beneficial technical effects that:
the invention relates to an auxiliary standing trolley with combined seat plates, wherein an old person supports the armpit on an armpit support and holds a handle when standing up to stand up, the body is kept stable, a first electric push rod drives an upper arm support to swing upwards so as to assist the old person to stand up, the deficiency of body strength in the standing up process of the old person is made up, the risk of accidents is reduced, meanwhile, the upper arm support can be axially adjusted properly relative to a movable arm to adapt to the old person with different heights or the seat height of the old person, the use is flexible, the adaptability is good, the old person steps on a bottom plate, a left assembly and a right assembly with a left seat plate and a right seat plate are folded towards the middle, the two seat plates horizontally correspond to provide sitting and standing support for the old person, the old person can move along with the trolley, the support of the seat plates reduces the body of the old person in the process of moving along with the trolley during standing, The invention is comfortable, can assist the old with weak mobility to stand up and move, and meets the requirements of indoor and outdoor activities and physical exercises of the old, thereby reducing the labor capacity of nursing staff or family members, and improving the life self-care capability and the life quality of the old.
Drawings
FIG. 1 is a schematic perspective view of an auxiliary standing cart with a combined seat plate;
FIG. 2 is a schematic perspective view of the auxiliary standing trolley with the assembled seat plate (with the wire rope and the bottom plate removed);
FIG. 3 is an enlarged view of A in FIG. 2;
FIG. 4 is a perspective view of the seat plate assembly (with the wire rope removed);
FIG. 5 is a front view of the seat pan assembly (left and right seat pans folded horizontally in alignment);
FIG. 6 is a front view of the seat pan assembly (left and right seat pans expanded to either side);
FIG. 7 is a top view of the seat pan assembly (with the left and right support brackets, left and right seat pans and wire rope removed);
FIG. 8 is a schematic perspective view of the left seat plate mounted on the left support frame;
FIG. 9 is a schematic perspective view of the right seat plate mounted on the right support frame;
FIG. 10 is a perspective view of the upper arm support;
in the figure: 11. the universal wheel comprises a chassis, 14, a bottom plate, 13, a supporting rear wheel, 12, a universal front wheel, 31, a first supporting upright post, 32, a movable arm, 33, a telescopic rod of a first electric push rod, 36, an inclined strut, 37, an armpit bracket, 38, a handle, 51, a guide rod, 41, a steel wire rope, 52, a fixed block, 57, a rotating shaft, 53, a linkage plate, 56, a limiting ring, 72, a left seat plate, 71, a left supporting frame, 73, a left sliding plate, 75, a first left pulley, 76, a first left pulley bracket, 143, a first left sliding hole, 74, a left connecting rod, 54, a fixed rod of a second electric push rod, 55, a telescopic rod of a second electric push rod, 144, a second left sliding hole, 79, a left hinge shaft, 80, a left torsion spring, 711, a left extending plate, 78, a second left pulley, 77, a second left pulley bracket, 62, a right seat plate, 61, a right supporting frame, 63, a right sliding plate, 65, a first right pulley, 66, a first right pulley bracket, 142. The novel bicycle pedal comprises a first right sliding hole, 64 parts of a right connecting rod, 141 parts of a second right sliding hole, 69 parts of a right hinge shaft, 70 parts of a right torsion spring, 611 parts of a right extension plate, 67 parts of a second right pulley frame, 68 parts of a second right pulley, 16 parts of a base, 15 parts of a pedal guard plate, 21 parts of a second supporting upright post, 22 parts of a cross beam, 23 parts of a knee guard plate, 39 parts of a connecting sleeve, 40 parts of bolts, 401 parts of an adjusting hole and 17 parts of a driving motor.
Detailed Description
In the first embodiment, referring to fig. 1-10, the auxiliary standing trolley with the combined seat plate comprises an underframe, a seat plate assembly arranged on the underframe and an upper arm bracket;
a horizontal bottom plate is fixed on the bottom frame, two bilaterally symmetrical supporting rear wheels are arranged at the rear end of the bottom frame, two bilateral universal front wheels are arranged at the front end of the underframe, a first supporting upright post which extends obliquely upwards is fixed at the middle part of the rear end of the underframe, the upper end of the first supporting upright post is hinged with a movable arm which swings in a vertical plane, the middle section of the movable arm is hinged with a first electric push rod, the lower end of a fixed rod of the first electric push rod is hinged on the underframe, the free end of a telescopic rod of the first electric push rod is hinged on the middle section of the movable arm, the upper arm bracket is fixed at the free end of the movable arm, the upper arm support is Y-shaped, two ends of the upper arm support are fixedly provided with symmetrical inclined supporting rods, the lower end of each inclined supporting rod is fixedly provided with a corresponding U-shaped armpit support, and the upper end of each inclined supporting rod is fixedly provided with a corresponding handle;
the seat plate component comprises a guide rod, a left component, a right component and a steel wire rope, wherein the left component and the right component are symmetrical left and right;
the guide rods comprise two guide rods, the two guide rods are horizontally and parallelly fixed on the underframe along the width direction of the underframe, the guide rods are positioned below the bottom plate, a fixed block is fixed in the middle of each guide rod, a vertical rotating shaft is fixed on the upper surface of each fixed block, a linkage plate which freely rotates in the horizontal direction is fixed on each rotating shaft through a rotating pair, each linkage plate is in a long strip shape, each rotating shaft is positioned on the middle point of each linkage plate, each rotating shaft upwards penetrates through each linkage plate, and a limiting ring is fixed at the upper end of each rotating shaft;
the left component comprises a left seat board, a left support frame and a left sliding board, the left sliding board is positioned between the guide rod and the bottom board and is connected on the guide rod in a sliding way, the left sliding board is positioned on the left side of the fixed block and freely slides along the length direction of the guide rod, the upper surface of the left sliding board is provided with a first left pulley, the first left pulley is fixed on the left sliding board through a first left pulley frame, the first left pulley frame is positioned in a first left sliding hole on the bottom board, the first left sliding hole is in a strip shape and is consistent with the length direction of the guide rod, the left sliding board is also hinged with a left connecting rod which freely rotates in the horizontal plane, the free end of the left connecting rod is hinged with one end of the linkage board, the bottom surface of the left sliding board is hinged with a second electric push rod which is parallel to the guide rod, the fixed rod of the second electric push rod is hinged on the bottom surface of the left sliding board, the telescopic rod of the second electric push, the second left sliding hole is long-strip-shaped and is consistent with the length direction of the guide rod, the left seat plate is hinged to the outer side of the upper end of the left support frame through a left hinge shaft, a left torsion spring is sleeved on the left hinge shaft, two ends of the left torsion spring are respectively supported on the bottom surface of the left seat plate and a left extension plate, the left extension plate is correspondingly fixed on the left support frame, a second left pulley frame is hinged to the lower surface of the outer end of the left seat plate, and a second left pulley is mounted on the second left pulley frame;
the right component comprises a right seat plate, a right supporting frame and a right sliding plate; the right sliding plate is positioned between the guide rod and the bottom plate and is connected on the guide rod in a sliding manner, the right sliding plate is positioned on the right side of the fixed block and freely slides along the length direction of the guide rod, the upper surface of the right sliding plate is provided with a first right pulley which is fixed on the right sliding plate through a first right pulley frame, the first right pulley frame is positioned in a first right sliding hole on the bottom plate, the first right sliding hole is in a strip shape and is consistent with the length direction of the guide rod, the right sliding plate is also hinged with a right connecting rod which freely rotates in a horizontal plane, the free end of the right connecting rod is hinged with the other end of the linkage plate, the right supporting frame is fixed on the right sliding plate and penetrates out of a second right sliding hole on the bottom plate upwards, the second right sliding hole is in a strip shape and is consistent with the length direction of the guide rod, the right seat plate is hinged on the outer, two ends of a right torsion spring are respectively supported on the bottom surface of the right seat plate and a right extension plate, the right extension plate is correspondingly fixed on the right support frame, the lower surface of the outer end of the right seat plate is hinged with a second right pulley frame, and a second right pulley is arranged on the second right pulley frame;
one end of the steel wire rope is fixed on the first left pulley frame, the free end of the steel wire rope sequentially rounds the second left pulley, the first left pulley, the limiting ring, the first right pulley and the second right pulley and is tensioned, and finally the steel wire rope is fixed on the first right pulley frame.
The second electric push rod drives the left component to move, the left component drives the right component to correspondingly move through the left connecting rod, the linkage plate and the right connecting rod, one electric push rod can drive the left component and the right component to relatively move to realize the separation and the folding of the left component and the right component, when the left component and the right component move to the two sides to be separated, in the process, the steel wire rope is pulled to ensure that the left seat plate and the right seat plate swing outwards, so that a larger space is vacated for the old to enter the trolley from the space between the left component and the right component, when the old enters the trolley, the second electric push rod drives the left component and the right component to fold towards the middle, meanwhile, the steel wire rope is loosened, the left seat board and the right seat board are both turned inwards to be in a horizontal state under the action of the torsion spring, and left side bedplate and right bedplate support respectively in the upper end of left branch strut and right branch strut, and left side bedplate and right bedplate terminal surface level align, and the old man sits and provides the outrigger for it on left side bedplate and right bedplate.
The chassis on be fixed with the base, be equipped with three side-standing parallel on the base and fix the pedal backplate on the base, pedal backplate on be fixed with vertical upwards second support post that stretches out, be fixed with the inside crossbeam that stretches out of level in the upper end of second support post, be fixed with the knee backplate on the free end of crossbeam, the lower extreme of first electric putter's dead lever articulate on the crossbeam, pedal backplate and knee backplate provide the support of foot and knee for the old man respectively, increase the stability and the security that the old man supported whole health in the use.
The rear end of upper arm support be fixed with connecting sleeve, this connecting sleeve matches and the suit is on the free end of digging arm with the digging arm, runs through the regulation hole on connecting sleeve and the digging arm through the bolt simultaneously with both relatively fixed, through the relative length between regulation connecting sleeve and the digging arm to suitably can adjust the axis length of upper arm support, adapt to the old man of height difference or adapt to the seat height of old person department in the certain limit.
The supporting rear wheel is coaxially fixed with an output shaft of the driving motor, the driving motor is fixed on the bottom surface of the bottom frame, the whole trolley can be driven to move through the driving motor, and the use is more physical and mental.
Left branch strut and right branch strut form with triangle by the round bar is fixed, the left branch strut and the right branch strut stability of triangle form are better, safer.
The working process and principle of the invention are as follows: the invention relates to an auxiliary standing trolley with a combined seat plate, wherein an old person supports the armpit on an armpit support and holds a handle when standing up, the body is kept stable, a first electric push rod drives an upper arm support to swing upwards so as to assist the old person to stand up, the deficiency of body strength in the standing up process of the old person is made up, the risk of accidents is reduced, meanwhile, the upper arm support can be axially adjusted properly relative to a movable arm so as to adapt to the old person with different heights or the seat height of the old person, the use is flexible, the adaptability is good, the old person steps on a bottom plate, a left component is driven to move by a second electric push rod, the left component drives a right component to correspondingly move through a left connecting rod, a linkage plate and a right connecting rod, one electric push rod can drive the left component and the right component to relatively move, and the left component and the right component can be separated and, when the left component and the right component move to the two sides to be separated, the process pulls the steel wire rope to enable the left seat board and the right seat board to swing outwards to make a larger space for the old to enter the trolley from the space between the left component and the right component, when the old enters the trolley, the second electric push rod drives the left component and the right component to fold towards the middle, the steel wire rope is loosened, the left seat board and the right seat board are turned inwards to be in a horizontal state under the action of the torsion spring, the left seat board and the right seat board are respectively supported at the upper ends of the left support frame and the right support frame, the end faces of the left seat board and the right seat board are horizontally aligned, the old sits on the left seat board and the right seat board to provide stable support for the old, the old can move along with the trolley, the support of the seat boards reduces the body burden of the old in the process of getting up along with the movement of the trolley, the old is safer and more comfortable, the demand that the old person carries out indoor outer activity and physical exercise is satisfied to alleviate nursing staff or family's the amount of labour, improve old person's life self-care ability and quality of life.

Claims (6)

1. Supplementary dolly of standing with combination formula bedplate includes the chassis, installs bedplate subassembly and upper arm support on the chassis, characterized by:
a horizontal bottom plate is fixed on the bottom frame, two bilaterally symmetrical supporting rear wheels are arranged at the rear end of the bottom frame, two bilateral universal front wheels are arranged at the front end of the underframe, a first supporting upright post which extends obliquely upwards is fixed at the middle part of the rear end of the underframe, the upper end of the first supporting upright post is hinged with a movable arm which swings in a vertical plane, the middle section of the movable arm is hinged with a first electric push rod, the lower end of a fixed rod of the first electric push rod is hinged on the underframe, the free end of a telescopic rod of the first electric push rod is hinged on the middle section of the movable arm, the upper arm bracket is fixed at the free end of the movable arm, the upper arm support is Y-shaped, two ends of the upper arm support are fixedly provided with symmetrical inclined supporting rods, the lower end of each inclined supporting rod is fixedly provided with a corresponding U-shaped armpit support, and the upper end of each inclined supporting rod is fixedly provided with a corresponding handle;
the seat plate component comprises a guide rod, a left component, a right component and a steel wire rope, wherein the left component and the right component are symmetrical left and right;
the guide rods comprise two guide rods, the two guide rods are horizontally and parallelly fixed on the underframe along the width direction of the underframe, the guide rods are positioned below the bottom plate, a fixed block is fixed in the middle of each guide rod, a vertical rotating shaft is fixed on the upper surface of each fixed block, a linkage plate which freely rotates in the horizontal direction is fixed on each rotating shaft through a rotating pair, each linkage plate is in a long strip shape, each rotating shaft is positioned on the middle point of each linkage plate, each rotating shaft upwards penetrates through each linkage plate, and a limiting ring is fixed at the upper end of each rotating shaft;
the left component comprises a left seat board, a left support frame and a left sliding board, the left sliding board is positioned between the guide rod and the bottom board and is connected on the guide rod in a sliding way, the left sliding board is positioned on the left side of the fixed block and freely slides along the length direction of the guide rod, the upper surface of the left sliding board is provided with a first left pulley, the first left pulley is fixed on the left sliding board through a first left pulley frame, the first left pulley frame is positioned in a first left sliding hole on the bottom board, the first left sliding hole is in a strip shape and is consistent with the length direction of the guide rod, the left sliding board is also hinged with a left connecting rod which freely rotates in the horizontal plane, the free end of the left connecting rod is hinged with one end of the linkage board, the bottom surface of the left sliding board is hinged with a second electric push rod which is parallel to the guide rod, the fixed rod of the second electric push rod is hinged on the bottom surface of the left sliding board, the telescopic rod of the second electric push, the second left sliding hole is long-strip-shaped and is consistent with the length direction of the guide rod, the left seat plate is hinged to the outer side of the upper end of the left support frame through a left hinge shaft, a left torsion spring is sleeved on the left hinge shaft, two ends of the left torsion spring are respectively supported on the bottom surface of the left seat plate and a left extension plate, the left extension plate is correspondingly fixed on the left support frame, a second left pulley frame is hinged to the lower surface of the outer end of the left seat plate, and a second left pulley is mounted on the second left pulley frame;
the right component comprises a right seat plate, a right supporting frame and a right sliding plate; the right sliding plate is positioned between the guide rod and the bottom plate and is connected on the guide rod in a sliding manner, the right sliding plate is positioned on the right side of the fixed block and freely slides along the length direction of the guide rod, the upper surface of the right sliding plate is provided with a first right pulley which is fixed on the right sliding plate through a first right pulley frame, the first right pulley frame is positioned in a first right sliding hole on the bottom plate, the first right sliding hole is in a strip shape and is consistent with the length direction of the guide rod, the right sliding plate is also hinged with a right connecting rod which freely rotates in a horizontal plane, the free end of the right connecting rod is hinged with the other end of the linkage plate, the right supporting frame is fixed on the right sliding plate and penetrates out of a second right sliding hole on the bottom plate upwards, the second right sliding hole is in a strip shape and is consistent with the length direction of the guide rod, the right seat plate is hinged on the outer, two ends of a right torsion spring are respectively supported on the bottom surface of the right seat plate and a right extension plate, the right extension plate is correspondingly fixed on the right support frame, the lower surface of the outer end of the right seat plate is hinged with a second right pulley frame, and a second right pulley is arranged on the second right pulley frame;
one end of the steel wire rope is fixed on the first left pulley frame, the free end of the steel wire rope sequentially rounds the second left pulley, the first left pulley, the limiting ring, the first right pulley and the second right pulley and is tensioned, and finally the steel wire rope is fixed on the first right pulley frame.
2. The assisted standing cart with a modular seat pan of claim 1, further comprising: the base frame is fixed with a base, and the base is provided with three pedal guard plates which are laterally and parallelly fixed on the base.
3. The assisted standing cart with a modular seat pan of claim 2, further comprising: the pedal guard plate is fixed with a second support upright post which vertically extends upwards, the upper end of the second support upright post is fixed with a beam which horizontally extends inwards, the free end of the beam is fixed with a knee guard plate, and the lower end of a fixed rod of the first electric push rod is hinged on the beam.
4. The assisted standing cart with a modular seat pan of claim 1, further comprising: the rear end of the upper arm support is fixed with a connecting sleeve, the connecting sleeve is matched with the movable arm and sleeved on the free end of the movable arm, and the connecting sleeve and the movable arm are relatively fixed through adjusting holes in the bolt penetrating through the connecting sleeve and the movable arm.
5. The assisted standing cart with a modular seat pan of claim 1, further comprising: the supporting rear wheel is coaxially fixed with an output shaft of a driving motor, and the driving motor is fixed on the bottom surface of the bottom frame.
6. The assisted standing cart with a modular seat pan of claim 1, further comprising: the left support frame and the right support frame are formed by fixing round rods in a triangular shape.
CN201911222567.2A 2019-12-03 Auxiliary standing trolley with combined seat board Active CN110721040B (en)

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CN110721040B CN110721040B (en) 2024-06-11

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