CN107669424A - A kind of auxiliary with lifting device is stood up wheelchair - Google Patents

A kind of auxiliary with lifting device is stood up wheelchair Download PDF

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Publication number
CN107669424A
CN107669424A CN201711110803.2A CN201711110803A CN107669424A CN 107669424 A CN107669424 A CN 107669424A CN 201711110803 A CN201711110803 A CN 201711110803A CN 107669424 A CN107669424 A CN 107669424A
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CN
China
Prior art keywords
frame
chair frame
connecting rod
power transmission
transmission shaft
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
CN201711110803.2A
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Chinese (zh)
Inventor
吕丽欣
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Changsha Ninghu Machinery Equipment Co Ltd
Original Assignee
Changsha Ninghu Machinery Equipment Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Changsha Ninghu Machinery Equipment Co Ltd filed Critical Changsha Ninghu Machinery Equipment Co Ltd
Priority to CN201711110803.2A priority Critical patent/CN107669424A/en
Publication of CN107669424A publication Critical patent/CN107669424A/en
Withdrawn legal-status Critical Current

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Classifications

    • 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
    • A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
    • A61G5/10—Parts, details or accessories
    • A61G5/14—Standing-up or sitting-down aids
    • 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
    • A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
    • 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
    • A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
    • A61G5/10—Parts, details or accessories
    • 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
    • A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
    • A61G5/10—Parts, details or accessories
    • A61G5/1005—Wheelchairs having brakes
    • 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
    • A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
    • A61G5/10—Parts, details or accessories
    • A61G5/1081—Parts, details or accessories with shock absorbers or other suspension arrangements between frame and seat
    • 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
    • A61G2200/50—Information related to the kind of patient or his position the patient is supported by a specific part of the body
    • A61G2200/52—Underarm
    • 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)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Chairs Characterized By Structure (AREA)

Abstract

The present invention discloses a kind of auxiliary with lifting device and stood up wheelchair, and it includes：Chair frame section, gear drive, pull bar executing agency, controllable gas spring device；Gear drive is fixed on the bottom plate of chair frame；Pull bar executing agency is fixed on gear drive both sides, pulls pull bar to perform wheel mechanism and drives pinion rotation, gas spring device secondary lever lifting frame；The present invention manually pulls pull bar, drives lifting frame and drives the user for inconvenience of standing up.By oxter lifting above the waist, it is more laborsaving, power-assisted is played by controllable gas spring device and prevents from reversing, laborsaving by gear drive and synchronous pulley mechanism, extension adjustment device can adjust height within the specific limits, to match the people of different heights.

Description

A kind of auxiliary with lifting device is stood up wheelchair
Technical field
A kind of rehabilitation of the present invention is help the disabled field, more particularly to a kind of auxiliary with lifting device is stood up wheelchair.
Background technology
The rapid growth of the aged has become the important feature of this century Chinese population growth, and the elderly aids in product Design and service problem turn into the emphasis and difficult point of the aged, " the empty nest " particularly increased rapidly, advanced age and old in spite of illness The demand for services of year people.Standing is to influence the vital factor of the elderly's ADL independence.With the increasing at age It is long, the decline of the elderly's muscular strength of lower limb, cause knee joint torque insufficient, therefore many has the elderly of ambulatory capabilities because lacking The ability of weary standing, is still trapped on wheelchair.It can not be stood up from seat, it would be desirable to which other people treatment, serious have impact on are old The physical and mental health of year people, while huge burden also result in family and society.
Existing Publication No. CN104274283B patent of invention is a kind of to have aided in the chair sat, it include seat, connecting rod, The slider-rocker mechanism that the parallel-crank mechanism and chair body, sliding block, connecting rod and rocking bar of connecting rod and rocking bar composition form.Institute Two kinds of Mechanism Combinations are stated into six-bar mechanism.One end of push rod is hinged with rocking bar, and the other end is hinged with rocking bar, and one end of rocking bar is with pushing away Bar is hinged, and the other end is hinged with worm-wheel shaft, and rocking bar rotates six bar combined mechanisms of driving.When standing up, worm gear, worm-drive drive Rocking bar rotates clockwise, and makes push rod drive rocking bar to rotate, sliding block is moved up along internal chute, while seat turns around bearing pin Dynamic, auxiliary user stands.When sitting down, user's buttocks is close to seat, and rocking bar rotates counterclockwise so that rocking bar band movable slider Move down, while seat support user and sat down；The chair for having aided in sitting is when helping people to stand up, seat support upset, Accident easily occurs with seat rotating for the body of people, for example people grab the handrail of unstable chair and fallen down, while uses It is also inconvenient to come, and the angle turned on seat support is too big, easily allows people to be slipped from seat support, the angle turned on seat support is too small, Ren Menyou Chair can not be leaned on to stand up.
The content of the invention
The technical problems to be solved by the invention are, for the above-mentioned deficiency of prior art, propose that one kind can help The people having any problem that stood from wheelchair is stood, and user, which stands, not to be had to help by other people, shakes the light auxiliary station of pull bar can A kind of vertical wheelchair with lifting device.
The present invention solves its technical problem, and the technical scheme of use is to propose that a kind of auxiliary with lifting device is stood up Wheelchair it include：
Chair frame section；Chair frame；Two side protect-ing frame structure；The side protect-ing frame structure is formed in chair frame both sides respectively；One The side protect-ing frame structure of side includes two chair frame bearing blocks, and the chair frame bearing block is fixed in the protect-ing frame structure of side, two chairs Frame bearing, the chair frame bearing are separately fixed in chair frame bearing block；Side protect-ing frame structure opposite side is also so；First transmission Axle and second driving shaft, first power transmission shaft are worn through the chair frame bearing before the protect-ing frame structure of side, the second driving shaft The chair frame bearing crossed behind the protect-ing frame structure of side；First drive link and the second drive link；Oxter lifting frame, the oxter lifting frame It is made up of upper and lower two parts, the oxter lifting frame bottom connects two drive links, the first drive link and second by pin respectively Drive link is connected with the first power transmission shaft, second driving shaft respectively, and the oxter lifting frame also includes foam-rubber cushion；Cushion rectangle frame Frame, the cushion rectangular frame are formed in chair frame seat part；Bottom plate, the bottom plate is in the chair frame below cushion rectangular frame It is fixed；Two steering tires, steering tire connect with chair frame, are separately mounted in front of chair frame both sides below, support chair frame and turn Change direction；Two tires on the drive wheels, it is separately mounted to both sides below chair frame rear, support and driving chair frame.The oxter lifting frame On also include foam-rubber cushion.
Controllable gas spring, the controllable gas spring include：Control button, the first floating block, drag-line, straight pin, the second floating block, Thimble and gas spring；The control button is hinged with first floating block, and described drag-line one end is connected with the first floating block, another End penetrates the second floating block and is connected with the straight pin；The control button is fixed on the top of the hand lever；The top Pin is located at gas spring upper end；Described controllable gas spring one end is hinged with the first drive link.The control button includes button, small bullet Spring, fore-set, determine key；The button is connected with fore-set, and the little spring one end being set on the fore-set is connected with the button, separately Determine key with described and be connected in one end.
Gear drive, the gear drive include：Two diplopore bearing blocks, the diplopore bearing block are solid respectively It is scheduled on bottom plate both sides；3rd power transmission shaft, the 3rd power transmission shaft pass through two diplopore bearing block lower opening；4th power transmission shaft, it is described 4th power transmission shaft passes through hole on two diplopore bearing blocks；Little gear, the little gear are fixed on the first power transmission shaft；Gear wheel, The gear wheel is fixed on the 4th power transmission shaft；Gear wheel little gear engages passing power.
Pull bar executing agency, the pull bar executing agency include：Hand lever, sleeve, ratchet, rotation cylinder, guide groove, bullet Spring, separation assembly and extension spring；The rotation cylinder is connected with the 3rd power transmission shaft；The guide groove is upper the hand lever End is formed；The sleeve is in annular, and the outer toroid of the sleeve and the bottom of the hand lever are fixed, the inner circle of the sleeve Ring is the flank of tooth；The rotation cylinder is placed in the sleeve, and there is opening described rotation cylinder one end, for placing ratchet；Institute State spring and be placed on the ratchet top, the ratchet is pressed to the flank of tooth；Pull the separation assembly make the ratchet with The flank of tooth separation.The separation assembly includes handle, connecting rod and connecting pin；Described connecting pin one end and the one of the handle End is connected, and the handle can be slided by the connecting pin in the guide groove；Described connecting rod one end and the connecting pin It is connected, the other end is connected with the ratchet, is connected between the hand lever upper end and chair frame by extension spring.
Synchronous pulley mechanism, the 4th power transmission shaft power is passed into the first power transmission shaft；Small synchronous pulley, the small synchronous pulley It is fixed on the 4th power transmission shaft；Big synchronous pulley, the big synchronous pulley are fixed on the first power transmission shaft；Timing belt, the synchronization Band both ends be respectively fitted on big synchronous pulley and small synchronous pulley on；Tensioning wheel, the tensioning wheel is installed on the outside of chair frame, described Tensioning wheel and timing belt contact.
Extension adjustment device, in lifting frame；Iron wire, the iron wire are in inverted " u "-shaped inside the frame upper part of oxter；Top Bar, the push rod are located in the lifting frame of oxter, and the push rod contacts with iron wire；Regulation button, the regulation button connect with push rod Touch；Return spring, the return spring is between push rod and regulation button；Bayonet lock, the bayonet lock are located at iron wire both ends；Bayonet lock bullet Spring, the bayonet lock spring contact with bayonet lock.
Two arrestment mechanisms, it is symmetrical on wheelchair median plane；First connecting rod, the first connecting rod chair frame side with Rotation mode pin connection；Second connecting rod, the second connecting rod are hinged with first connecting rod；Third connecting rod, the third connecting rod and Second connecting rod passes through pin connection in a rotative pattern；Brake disc, the brake disc are connected with tire；Brake-shoe, the brake-shoe lead to The promotion of third connecting rod is crossed, the plastic portions of brake-shoe contact with brake disc；Clip, the clip are enclosed in chair frame, with Brake-shoe is connected.
The present invention manually pulls pull bar, drives lifting apparatus and drives the user for inconvenience of standing up, passes through controllable gas Spring pins oxter lifting rack position, and laborsaving by gear drive and synchronous pulley mechanism, lifting frame can be in certain model Interior adjustment height is enclosed, to match the people of different heights.
Brief description of the drawings
Fig. 1 is the dimensional structure diagram of the present invention；
Fig. 2 is the structural scheme of mechanism of wheelchair part；
Fig. 3 is the structural representation of gear drive；
Fig. 4 is the structural representation of pull bar executing agency；
Fig. 5 is the structural representation of synchronous pulley mechanism；
Fig. 6 is the structural representation of controllable gas spring；
Fig. 7 is the partial structural diagram of controllable gas spring control；
Fig. 8 is the structural representation of extension adjustment device；And
Fig. 9 is the structural representation of arrestment mechanism.
Embodiment
It is the specific embodiment of the present invention and with reference to accompanying drawing below, technical scheme is further described, But the present invention is not limited to these embodiments.
The present invention as shown in Figure 1 is that a kind of auxiliary with lifting device is stood up wheelchair, and it includes wheelchair part 100, tooth Wheel drive mechanism 200, pull bar executing agency 300, synchronous pulley mechanism 400, controllable gas spring 500, extension adjustment device 600, Arrestment mechanism 700.
Wheelchair part 100 includes chair frame 110, steering tire 120, tire on the drive wheels 130, side protect-ing frame structure 140, cushion square Shape framework 150, bottom plate 160, the first power transmission shaft 170, second driving shaft 180, oxter lifting frame 190, chair frame 110 constitute entirely The framework of wheelchair, steering tire 120 and tire on the drive wheels 130 support chair frame；The side protecting frame formed positioned at the both sides of chair frame 110 Frame 140, include two chair frame bearing blocks 141 and 142 in the side protect-ing frame structure 140；Chair frame is housed in chair frame bearing block 141 Bearing 143, chair frame bearing 144 is housed in chair frame bearing block 142；First power transmission shaft 170 passes through chair frame bearing 143, the second transmission Axle 180 passes through chair frame bearing 144；The bottom of oxter lifting frame 190 passes through pin connection the first drive link 191 and the second drive link 192； First drive link 191 and the first power transmission shaft 170 are connected, and the second drive link 192 and second driving shaft 180 are connected；Chair frame 110 is located at The cushion rectangular frame 150 that seats place is formed, for carrying people；Bottom plate 160 is fixed in chair frame, positioned at cushion rectangle The lower section of framework 150.First power transmission shaft 170, which rotates, drives the first drive link 191 to rotate, and passes through oxter lifting frame 190 and second Drive link 192 forms linkage and drives the second drive link 192 to rotate, and first connecting rod 191 and second connecting rod 192 rotate, oxter The lifting of lifting frame 190.190 very laborsaving states for also complying with people and standing up of the lifting users upper part of the body of oxter lifting frame.
Gear drive 200 includes two diplopore bearing blocks 210, the 3rd power transmission shaft 220, little gear the 230, the 4th and is driven Axle 240, gear wheel 250, two holes are formed on diplopore bearing block 210, two holes are distributed up and down, and diplopore bearing block 210 is fixed on On bottom plate, respectively positioned at the both sides of bottom plate 160；The lower opening of diplopore bearing block 210 passes through the 3rd power transmission shaft 220, the 3rd power transmission shaft 220 On be fixed with little gear 230, little gear 230 is between two diplopore bearing blocks 210；The upper hole of diplopore bearing block 210 passes through 4th power transmission shaft 240, is fixed with gear wheel 250 on the 4th power transmission shaft 240, gear wheel 250 positioned at two diplopore bearing blocks 210 it Between；Little gear 230 and gear wheel 250 engage passes to the 4th power transmission shaft 240 by the power of the 3rd power transmission shaft 220.Gear drive machine Structure 200 plays labour-saving by little gear 230 and the engagement of gear wheel 250 and acted on.
Pull bar executing agency 300 includes hand lever 310, sleeve 320, ratchet 330, rotation cylinder 340, guide groove 350, bullet Spring 360, separation assembly 370 and extension spring 380；The guide groove 350 is formed in the upper end of the hand lever 310；The set Cylinder 320 is in annular, and the outer toroid of the sleeve 320 and the bottom of the hand lever 310 are fixed, the inner circle of the sleeve 320 Ring is the flank of tooth 321；The rotation cylinder 340 is placed in the sleeve 320, and there is opening described rotation cylinder 340 one end, is used for Place ratchet 330；The spring 350 is placed on the top of ratchet 330, the ratchet 330 is pressed to the flank of tooth 321.Institute Stating separation assembly 370 includes handle 331, connecting rod 372 and connecting pin 373, the handle 370 and the one of the connecting pin 373 End is fixed, and the other end of the connecting pin 373 can slide in the guide groove 350 in the guide groove 350, Described one end of connecting rod 372 is connected with the connecting pin 373, and the other end is connected with the ratchet 330.The hand is pulled clockwise Pull bar 310 drives the sleeve 320 to rotate clockwise, and the flank of tooth 321 of the inner ring of sleeve 320 rotates clockwise 330 turns of pawl of band Dynamic, the one side of ratchet 330 of rotation contacts with rotating cylinder 340, drives rotation cylinder 340 to rotate clockwise, and rotate cylinder 340 and the 3rd power transmission shaft 220 be connected, so as to drive the 3rd power transmission shaft 220 to rotate clockwise.And when hand lever 310 turns counterclockwise When dynamic, the flank of tooth 321 does not engage with ratchet 330, can not be rotated with pawl 330.Pull the handle in the separation assembly 370 Hand 371, connecting pin 373 is driven to be slided in guide groove 350, connecting pin 373 pulls connecting rod 372, and connecting rod 372 pulls ratchet 330, the ratchet 330 is separated with the flank of tooth 321, connected between the upper end of hand lever 310 and chair frame 110 by extension spring Connect.
Synchronous pulley mechanism 400, the power of the 3rd power transmission shaft 240 is passed into the first rotary shaft 170；Synchronous pulley mechanism 400 Including small synchronous pulley 410, big synchronous pulley 420, timing belt 430, tensioning wheel 440, small synchronous pulley 410 is fixed on the 3rd biography On moving axis 220；Big synchronous pulley 420 is fixed on the first power transmission shaft 170；The both ends of timing belt 430 are respectively fitted over big synchronous pulley 420 On upper and small synchronous pulley 410；Tensioning wheel 440 is installed on the outside of chair frame 110, and the tensioning wheel 440 and timing belt 430 contact. Play laborsaving by synchronous pulley mechanism 400 and the power of 110 lower part gear drive of chair frame 200 is transferred to oxter lifting Effect on frame 190.
Controllable gas spring 500 includes：Control button 510, the first floating block 515, drag-line 520, straight pin 540, the second floating block 550th, thimble 560 and gas spring 530；The control button 510 is be hinged with first floating block 515, described one end of drag-line 520 It is connected with the first floating block 515, the other end penetrates the second floating block 550 and is connected with the straight pin 540；The control button 510 It is fixed on the top of the hand lever 510, person's manipulation easy to operation.The thimble 560 is located at the upper end of gas spring 530；It is described The one end of controllable gas spring 500 is hinged with the first drive link 191 to be realized the intermittent uplifts of oxter lifting frame 190 and slowly falls.Institute Stating control button 510 includes：Button 511, little spring 512, fore-set 513, determine key 514；The button 511 is connected with fore-set 513, One end of little spring 512 on the fore-set 513 is set in be connected with the button 511, the other end with described determine key 514 connected. When pushing button 511, the fore-set 513 promotes one end of the first floating block 515 to decline, the other end of first floating block 515 Drag-line 520 is pulled, the drag-line 520 is left behind the second floating block 550 by straight pin 540 so that thimble 560 declines, so that will Gas spring 530 unlocks；When decontroling button 511, little spring 512 promotes the return of button 511, and now drag-line 520 is locking, top The return of pin 560, gas spring 530 are in self-locking state.By controllable gas spring 500 realize oxter lifting frame 190 locking and Cushioning effect when user sits down.
Extension adjustment device 600 is located in oxter lifting frame 190, including iron wire 610, push rod 620, regulation button 630, return Position spring 640, bayonet lock 650, bayonet lock spring 660, spacing hole 670, iron wire 610 is inside the upper part of oxter lifting frame 190 in " u "-shaped, push rod 620 are located on the middle transverse rod of oxter lifting frame 190, and push rod 620 contacts with iron wire 610, regulation button 630 with Push rod 620 contacts, and for return spring 640 between push rod 620 and regulation button 630, bayonet lock 650 is located at the both ends of iron wire 610, is lifting Rise in the spacing hole 670 formed on frame 190, bayonet lock spring 660 contacts with bayonet lock 650, and user presses regulation button 630, adjusts Section button pushes down push rod 620, and push rod 620 withstands iron wire 610, and the both ends of iron wire 610 are shunk, and pulls bayonet lock 650, and bayonet lock 650 is from limit In the hole 670 of position out, the upper part of oxter lifting frame 190 is now pulled, regulation button 730, return can be decontroled with adjusting position Spring 740 restores to the original state the return of regulation button 630, iron wire 610, and bayonet lock is headed into spacing hole 670 by bayonet lock spring 660.It is flexible Adjusting means 600 can within the specific limits adjust height, to match the people of different heights.
Arrestment mechanism 700 includes first connecting rod 710, second connecting rod 720, third connecting rod 730, brake disc 740, brake-shoe 750th, clip 760, first connecting rod 710 use pin connection in the side of chair frame 110 in a rotative pattern, and second connecting rod 720 and first connects Bar 710 is be hinged, and third connecting rod 730 and second connecting rod 720 pass through pin connection, brake disc 740 and tire on the drive wheels 130 in a rotative pattern It is connected, brake-shoe 750 is contacted by the promotion of third connecting rod 730, the plastic portions of brake-shoe 750 with brake disc 740, clip 760 are enclosed in chair frame 110, are connected with brake-shoe 750.User pulls first connecting rod 710, and first connecting rod 710 promotes second to connect Bar 720, second connecting rod drive third connecting rod 730, and clip 760 is enclosed in chair frame 110, and third connecting rod 730 promotes brake-shoe 750 Rotate, brake-shoe 750 and brake disc 740 contact, and brake disc 740 are pinned, so as to pin tire on the drive wheels 130.Pass through arrestment mechanism Tire on the drive wheels 130 is pinned, it is more stable and safe during people's lifting.
User first pulls the first connecting rod 710 of arrestment mechanism 700, and first connecting rod 710 promotes second connecting rod 720, and second Connecting rod drives third connecting rod 730, and clip 760 is enclosed in chair frame 110, and third connecting rod 730 promotes brake-shoe 750 to rotate, and brakes Hoof 750 and brake disc 740 contact, and brake disc 740 are pinned, so as to pin tire on the drive wheels 130.Now user pins controllable gas bullet During spring button 511, the fore-set 513 promotes one end of the first floating block 515 to decline, and the other end of first floating block 515 pulls Drag-line 520, the drag-line 520 are left behind the second floating block 550 by straight pin 540 so that thimble 560 declines, so as to by gas bullet Spring 530 unlocks, while pulls hand lever 310 to be rotated clockwise with moving sleeve 320, and the flank of tooth 321 of the inner ring of sleeve 320 turns clockwise Dynamic band pawl 330 rotates, and the one side of ratchet 330 of rotation contacts with rotating cylinder 340, drives rotation cylinder 340 to turn clockwise It is dynamic, it is connected because rotating the power transmission shaft 220 of cylinder 340 and the 3rd, therefore the 3rd power transmission shaft 220 rotates clockwise, the 3rd power transmission shaft 220 is logical Cross gear wheel 250 and little gear 230 engages and power is passed to the 4th power transmission shaft 240, small synchronizing wheel 410 on the 4th power transmission shaft 240 Power is passed to by timing belt 430 by the first power transmission shaft 170, so as to drive the first drive link 191, the first drive link 191 and chair Frame bearing 143 is rotatablely connected, and the second drive link 192 is rotatablely connected with chair frame bearing 144, and the first power transmission shaft 170, which rotates, drives the One drive link 191 rotates, and forming linkage by the drive link 192 of oxter lifting frame 190 and second drives the second drive link 192 Rotate, first connecting rod 191 and second connecting rod 192 rotate, the lifting certain altitude of oxter lifting frame 190；It is small when decontroling button 511 Spring 512 promotes the return of button 511, and now drag-line 520 is locking, and the return of thimble 560, gas spring 530 is in self-locking state, Now oxter lifting frame is pinned；User pins controllable gas spring button 511 again, while pulls hand lever 310 with moving sleeve 320 rotate clockwise, and the flank of tooth 321 of the inner ring of sleeve 320 rotates clockwise band pawl 330 and rotated, the one side of ratchet 330 of rotation Contacted with rotating cylinder 340, drive rotation cylinder 340 to rotate clockwise, be connected because rotating the power transmission shaft 220 of cylinder 340 and the 3rd, Therefore the 3rd power transmission shaft 220 rotates clockwise, the 3rd power transmission shaft 220 is engaged and power is passed to by gear wheel 250 and little gear 230 4th power transmission shaft 240, power is passed to the first power transmission shaft 170 by small synchronizing wheel 410 by timing belt 430 on the 4th power transmission shaft 240, So as to drive the first drive link 191, the first drive link 191 and chair frame bearing 143 are rotatablely connected, the second drive link 192 and chair frame Bearing 144 is rotatablely connected, and the first power transmission shaft 170, which rotates, drives the first drive link 191 to rotate, and passes through oxter lifting frame 190 and the Two drive links 192 form linkage and drive the second drive link 192 to rotate, and first connecting rod 191 and second connecting rod 192 rotate, armpit The lower lifting certain altitude of lifting frame 190 decontrols controllable gas spring button 511, and now oxter lifting frame is pinned；User repeatedly draws Dynamic pull bar 310 is finally reached height of standing up.
When user sits down, when user pins controllable gas spring button 511, while the separation assembly 270 is pulled In handle 271, drive connecting pin 273 to be slided in guide groove 250, connecting pin 273 pulls connecting rod 272, and connecting rod 272 draws Pawl 230, the ratchet 230 is set to be separated with the flank of tooth 221.The fore-set 513 is promoted under one end of the first floating block 515 Drop, the other end of first floating block 515 pull drag-line 520, and the drag-line 520 is drawn the second floating block 550 by straight pin 540 Under so that thimble 560 declines, and so as to which gas spring 530 be unlocked, oxter lifting frame 190 is pushed down in oxter, because controllable gas spring 500 the first drive links of one end 191 are be hinged, and oxter lifting frame 190 is slowly declined by resistance, and the first drive link 191, which rotates, to be driven First power transmission shaft 170 rotates, and the first power transmission shaft 170 drives big synchronous pulley 420, and big synchronous pulley 420 passes through the band of timing belt 430 Dynamic small synchronous pulley 410, small synchronous pulley 410 drive the 4th power transmission shaft 240, and the 4th power transmission shaft 240 drives gear wheel 250, greatly Gear 250 drives the 3rd power transmission shaft 220 by little gear 230, and the 3rd power transmission shaft 220 drives rotation cylinder 340 to dally.
Specific embodiment described herein is only to spirit explanation for example of the invention.Technology belonging to the present invention is led The technical staff in domain can be made various modifications or supplement to described specific embodiment or be replaced using similar mode Generation, but without departing from the spiritual of the present invention or surmount scope defined in appended claims.

Claims (7)

  1. The wheelchair 1. a kind of auxiliary with lifting device is stood up, it is characterised in that including：
    Wheelchair part, including：Chair frame；Two side protect-ing frame structure；The side protect-ing frame structure is formed in chair frame both sides respectively；One The side protect-ing frame structure of side includes two chair frame bearing blocks, and the chair frame bearing block is fixed in the protect-ing frame structure of side, two chairs Frame bearing, the chair frame bearing are separately fixed in chair frame bearing block；Side protect-ing frame structure opposite side is also so；First transmission Axle and second driving shaft, first power transmission shaft are worn through the chair frame bearing before the protect-ing frame structure of side, the second driving shaft The chair frame bearing crossed behind the protect-ing frame structure of side；First drive link and the second drive link；Oxter lifting frame, the oxter lifting frame It is made up of upper and lower two parts, the oxter lifting frame bottom connects two drive links, the first drive link and second by pin respectively Drive link is connected with the first power transmission shaft, second driving shaft respectively；Cushion rectangular frame, the cushion rectangular frame is at chair frame seat Part is formed；Bottom plate, the bottom plate are fixed in the chair frame below cushion rectangular frame；Two steering tires, steering tire and Chair frame connects, and is separately mounted in front of chair frame both sides below, supports chair frame and turns；Two tires on the drive wheels, are installed respectively The both sides below chair frame rear, support and driving chair frame；
    Controllable gas spring, the controllable gas spring include：Control button, the first floating block, drag-line, straight pin, the second floating block, thimble And gas spring；The control button is hinged with first floating block, and described drag-line one end is connected with the first floating block, and the other end is worn Enter the second floating block and be connected with the straight pin；The control button is fixed on the top of the hand lever；The thimble position In gas spring upper end；Described controllable gas spring one end is hinged with the first drive link；
    Gear drive, including：Two diplopore bearing blocks, the diplopore bearing block are separately fixed at bottom plate both sides；3rd passes Moving axis, the 3rd power transmission shaft pass through two diplopore bearing block lower opening；4th power transmission shaft, the 4th power transmission shaft are double through two Hole in hole axle bearing；Little gear, the little gear are fixed on the 3rd power transmission shaft；Gear wheel, the gear wheel are fixed on the 4th Power transmission shaft；Gear wheel little gear engages passing power；
    Pull bar executing agency, the pull bar executing agency include：Hand lever, sleeve, ratchet, rotate cylinder, guide groove, spring, Separation assembly and extension spring；The guide groove is formed in the upper end of the hand lever；The sleeve is in annular, the sleeve Outer toroid and the bottom of the hand lever fix, the interior annular of the sleeve is the flank of tooth；The rotation cylinder is placed on described In sleeve, there is opening described rotation cylinder one end, for placing ratchet；The spring is placed on the ratchet top, makes described Ratchet presses to the flank of tooth；The separation assembly is pulled the ratchet is separated with the flank of tooth, the hand lever upper end and chair Connected between frame by extension spring.
  2. The wheelchair 2. a kind of auxiliary with lifting device according to claim 1 is stood up, it is characterised in that：Also include synchronous Belt wheel mechanism, second driving shaft power is passed into the first rotary shaft；Small synchronous pulley, the small synchronous pulley are fixed on the 4th biography On moving axis；Big synchronous pulley, the big synchronous pulley are fixed on the first power transmission shaft；Timing belt, the timing belt both ends cover respectively On big synchronous pulley and on small synchronous pulley；Tensioning wheel, the tensioning wheel are installed on the outside of chair frame, the tensioning wheel and synchronization Band contact.
  3. The wheelchair 3. a kind of auxiliary with lifting device according to claim 1 is stood up, it is characterised in that：Also include flexible Adjusting means, in lifting frame；Iron wire, the iron wire are in inverted " u "-shaped inside the frame upper part of oxter；Push rod, the push rod In the lifting frame of oxter, the push rod contacts with iron wire；Regulation button, the regulation button and ejector pin contact；Return spring, The return spring is between push rod and regulation button；Bayonet lock, the bayonet lock are located at iron wire both ends；Bayonet lock spring, the bayonet lock Spring contacts with bayonet lock.
  4. 4. stood up wheelchair according to a kind of auxiliary with lifting device described in claim 1, it is characterised in that：Also include two systems Motivation structure, it is symmetrical on wheelchair median plane；First connecting rod, the first connecting rod are connected with pin in a rotative pattern in chair frame side Connect；Second connecting rod, the second connecting rod are hinged with first connecting rod；Third connecting rod, the third connecting rod and second connecting rod are to rotate Mode passes through pin connection；Brake disc, the brake disc are connected with tire；Brake-shoe, the brake-shoe are pushed away by third connecting rod Dynamic, the plastic portions of brake-shoe contact with brake disc；Clip, the clip are enclosed in chair frame, are connected with brake-shoe.
  5. 5. stood up wheelchair according to a kind of auxiliary with lifting device described in claim 1, it is characterised in that：The control button Including button, little spring, fore-set, determine key；The button is connected with fore-set, the little spring one end being set on the fore-set and institute State button to be connected, the other end is determined key and be connected with described.
  6. 6. stood up wheelchair according to a kind of auxiliary with lifting device described in claim 1, it is characterised in that：The separation assembly Including handle, connecting rod and connecting pin；Described connecting pin one end and one end of the handle are connected, and the handle passes through the company Pin can be slided in the guide groove；Described connecting rod one end is connected with the connecting pin, and the other end is connected with the ratchet.
  7. The wheelchair 7. a kind of auxiliary with lifting device according to claim 1 is stood up, it is characterised in that：The oxter lift Rise also includes foam-rubber cushion on frame.
CN201711110803.2A 2017-11-13 2017-11-13 A kind of auxiliary with lifting device is stood up wheelchair Withdrawn CN107669424A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020124636A1 (en) * 2018-12-21 2020-06-25 黄小妹 Tool facilitating going-out of old person for riding instead of walking

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Publication number Priority date Publication date Assignee Title
JPH10137294A (en) * 1996-11-11 1998-05-26 Hanwa Kogyo Kk Nursing device
JPH10192344A (en) * 1997-01-10 1998-07-28 Japan Steel Works Ltd:The Help supporting transfer device
CN2817799Y (en) * 2005-10-07 2006-09-20 赵云 Stepping device of wheel chair
CN202173533U (en) * 2011-06-16 2012-03-28 张伟 Wheelchair with oscillating bars and bidirectional ratchet wheels with rotary pawls
CN105832474A (en) * 2016-03-10 2016-08-10 国家康复辅具研究中心 Auxiliary standing device
CN107280303A (en) * 2017-06-28 2017-10-24 宁波工程学院 A kind of auxiliary lift chair with lifting device
CN107334591A (en) * 2017-06-28 2017-11-10 宁波工程学院 It is a kind of that there is the auxiliary lift chair for pulling lifting device

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10137294A (en) * 1996-11-11 1998-05-26 Hanwa Kogyo Kk Nursing device
JPH10192344A (en) * 1997-01-10 1998-07-28 Japan Steel Works Ltd:The Help supporting transfer device
CN2817799Y (en) * 2005-10-07 2006-09-20 赵云 Stepping device of wheel chair
CN202173533U (en) * 2011-06-16 2012-03-28 张伟 Wheelchair with oscillating bars and bidirectional ratchet wheels with rotary pawls
CN105832474A (en) * 2016-03-10 2016-08-10 国家康复辅具研究中心 Auxiliary standing device
CN107280303A (en) * 2017-06-28 2017-10-24 宁波工程学院 A kind of auxiliary lift chair with lifting device
CN107334591A (en) * 2017-06-28 2017-11-10 宁波工程学院 It is a kind of that there is the auxiliary lift chair for pulling lifting device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020124636A1 (en) * 2018-12-21 2020-06-25 黄小妹 Tool facilitating going-out of old person for riding instead of walking

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Application publication date: 20180209