CN110448086A - The change born of the same parents' chair for helping old solitary people to stand up from sitting posture - Google Patents
The change born of the same parents' chair for helping old solitary people to stand up from sitting posture Download PDFInfo
- Publication number
- CN110448086A CN110448086A CN201910753228.0A CN201910753228A CN110448086A CN 110448086 A CN110448086 A CN 110448086A CN 201910753228 A CN201910753228 A CN 201910753228A CN 110448086 A CN110448086 A CN 110448086A
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- China
- Prior art keywords
- connecting rod
- horizontal
- fulcrum
- leg
- fixedly connected
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Classifications
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C7/00—Parts, details, or accessories of chairs or stools
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C7/00—Parts, details, or accessories of chairs or stools
- A47C7/02—Seat parts
- A47C7/14—Seat parts of adjustable shape; elastically mounted ; adaptable to a user contour or ergonomic seating positions
- A47C7/144—Seat parts of adjustable shape; elastically mounted ; adaptable to a user contour or ergonomic seating positions with array of movable supports
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C7/00—Parts, details, or accessories of chairs or stools
- A47C7/02—Seat parts
- A47C7/28—Seat parts with tensioned springs, e.g. of flat type
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C7/00—Parts, details, or accessories of chairs or stools
- A47C7/54—Supports for the arms
- A47C7/541—Supports for the arms of adjustable type
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C9/00—Stools for specified purposes
Abstract
The present invention announces a kind of change born of the same parents' chair for helping old solitary people to stand up from sitting posture, belongs to theory of mechanisms technical field.It is connected with rear support leg and backrest module on rear side of frame, front leg strut component is connected under frame；Chair seat plate is equipped with above frame；The left connecting rod elevating mechanism, right connecting rod elevating mechanism, tension spring component being arranged symmetrically are connected under chair seat plate；Two sides, which are connected with, on frame horizontal helps beam assembly；Left horizontal help is connected with armrest assembly on beam assembly；It is connected with self-locking mechanism between chair seat plate and frame, in the horizontal unlocking mechanism helped on beam assembly and be equipped with for controlling self-locking mechanism unlock.Change born of the same parents' chair, using the portion of energy stored when sitting under old man when standing up, upper lift buttocks helps old man to stand up from sitting posture；If desired, can also use setting left handrail and right handrail help stand firm compose oneself after further out；If transposition, chair rear leg lower end is mounted with a pair of bearings, transposition can be hauled with hand or hands.
Description
Technical field
The present invention relates to theory of mechanisms technical field, specifically a kind of change born of the same parents' chair for helping old solitary people to stand up from sitting posture
Son.
Background technique
The mechanical device for helping the elderly's activity daily life alone is that the elderlys of different aging degrees lives by oneself and provides
It helps, for example, sitting, the machinery gone to bed alone, auxiliary the elderly's auxiliary the elderly walk with the machinery of falling-resistant from the bed,
The machinery that auxiliary is stood after falling down, auxiliary live in the machinery, etc. on the elderly of compound floor downstairs.
Relatively older old man more or less inconvenient activity, many old men live stay at home alone, and most old men are for a long time
See that TV understands outside world, the elderly, which is sitting on sofa, sees that TV is long, when be commonly encountered and be difficult to the case where standing up, because of flesh
The phenomenon that power has been not so good as the past, there is also pain in the loins once in a while, when also occurring leg fiber crops, at this moment, old man have to first change
The posture of oneself, gets down, and waiting is suitable for the arrival at moment of standing.
Summary of the invention
It is difficult to smoothly stand up to solve the problems, such as that old solitary people is sitting in sofa or conventional chair for a long time, the present invention
A kind of change born of the same parents' chair for helping old solitary people to stand up from sitting posture is provided.
The invention is realized by the following technical scheme: a kind of change born of the same parents' chair for helping old solitary people to stand up from sitting posture, packet
Frame is included, rear support leg and backrest module is connected on rear side of frame, front leg strut component is connected under frame；
Chair seat plate is equipped with above the frame；
The left connecting rod elevating mechanism being arranged symmetrically, right connecting rod elevating mechanism are connected under the chair seat plate；
It is connected in the left connecting rod elevating mechanism, right connecting rod elevating mechanism to left connecting rod elevating mechanism, right connecting rod elevating mechanism
The tension spring component of lifting power；
On the frame two sides be connected with it is horizontal help beam assembly, it is horizontal that help beam assembly include left horizontal helping beam assembly, right horizontal helping beam assembly；
Left horizontal help on beam assembly is connected with left handrail component, and right horizontal help on beam assembly is connected with right handrail component；
It is connected with self-locking mechanism between the chair seat plate and frame, is equipped in horizontal help on beam assembly for controlling self-locking mechanism
The unlocking mechanism of unlock.
It is further: the rear support leg and backrest module include that left leg back, the right leg being arranged symmetrically are carried on the back, left leg back, right
From top to bottom be connected in turn between leg back head piece, lower beam, it is rear on hold, it is rear under hold；Connect between the head piece, lower beam
It is connected to left inside plate, middle inner panel, right inner panel；It is provided with dovetail groove on rear side of the left leg back lower end, a left side is installed in left leg back dovetail groove
Lower bearing；It is provided with dovetail groove on rear side of the right leg back lower end, bottom right bearing is installed in right leg back dovetail groove；The left leg back,
Right leg back middle part is fixedly connected with frame；
The front leg strut component includes the left front leg being arranged symmetrically, right front leg, is from top to bottom successively connected between left front leg, right front leg
It holds, front lower hold on before being connected to；The left front leg, right front leg upper end are fixedly connected with frame；
From top to bottom it is connected with that upper left is held, lower-left is held between the left leg back, left front leg in turn；
From top to bottom it is connected with that upper right is held, bottom right is held between the right leg back, right front leg in turn.
The left connecting rod elevating mechanism includes lower-left strutbeam, and lower-left strutbeam rear portion is hinged with lower-left first connecting rod, lower-left
Two connecting rods, lower-left first connecting rod, lower-left second connecting rod parallel arrangement；Lower-left strutbeam front is hinged with lower-left third connecting rod；
The lower-left first connecting rod, lower-left second connecting rod upper end are hinged with left front fulcrum, and lower-left third connecting rod upper end is hinged with a left side
After sleeve；For the left front fulcrum rear end cap in left back sleeve, left front fulcrum, left back sleeve are parallel with lower-left strutbeam；
Upper left first connecting rod, upper left second connecting rod are hinged on the left back sleeve, upper left first connecting rod, upper left second connecting rod are flat
Row arrangement；Upper left third connecting rod is hinged on the left front fulcrum；The upper left first connecting rod, upper left second connecting rod, upper left
Three-link upper end is hinged with left support abutment component；The left support abutment component is parallel with lower-left strutbeam；
The right connecting rod elevating mechanism includes bottom right strutbeam, right anterior branch axis, right after sleeve；
The bottom right strutbeam, lower-left strutbeam front and back ends be respectively fixedly connected with front supported beam, rear strutbeam；The front supported beam, rear branch
Beam is fixedly connected on the lower part of rear support leg Yu backrest module and front leg strut component.
The tension spring component includes rear second fulcrum being arranged symmetrically, preceding second fulcrum；Second fulcrum two after described
End is respectively hinged at left back sleeve, in right after sleeve, and preceding second fulcrum both ends are respectively hinged at left front fulcrum, on right anterior branch axis；
The left spring being arranged symmetrically and right spring are connected between second fulcrum, preceding second fulcrum after described.
The self-locking mechanism is mounted on left horizontal help on beam assembly；
Self-locking mechanism includes the intermediate support for being fixedly connected on middle position under chair seat plate；It is fixedly connected on the intermediate support
There is universal driving shaft；The universal driving shaft end is rotatably equipped with linkage board, and linkage spring is set on universal driving shaft；On the linkage spring
End is fixedly connected with intermediate support, and linkage lower spring end is fixedly connected with linkage board；
It is provided with symmetrical preceding slot, pit on the linkage board, is slidably fitted with preceding set bar, linkage board pit in slot before linkage board
In be slidably fitted with rear set bar；The preceding set bar is connected with left right-angle head, and rear set bar is connected with right right-angle head；The left side
The right-angle head other end is connected with left cross locking rod, and the right right-angle head other end is connected with right cross locking rod；
The left cross locking rod, right cross locking rod are arranged symmetrically；
The both ends sliding sleeve of the left cross locking rod is equipped with left outside support, left inside support, and left outside support, left inside support are fixed on chair
Under seat plate；Left cross locking rod outer end is fixedly connected with left tapered end；The left tapered end lateral surface is inclined-plane, and the inclined-plane Zuo Suotou and frame are left
Side is opposite up and down.
It is described left horizontal beam assembly to be helped horizontal to help beam assembly symmetrical with right；
It is described it is left it is horizontal to help beam assembly include left vertical beam, the lower end Zuo Liliang is fixedly connected on frame left, and the upper end Zuo Liliang is fixed to be connected
Be connected to it is left it is horizontal help beam, the left horizontal rear end Fu Liang is fixedly connected with rear support leg with backrest module.
The unlocking mechanism includes left vertical beam, the left horizontal unlock mounting hole for helping beam, frame up and down；The unlock installation
Push rod is installed, push rod upper end is fixedly connected with unblock button, and push rod lower end is fixedly connected with skewback, and skewback is slidably installed in hole
In unlock mounting hole lower part；
The left pedestal opposite with unlock mounting hole is fixedly connected in the framework underside face；It is provided in the left pedestal horizontal
Sliding slot, side opening is opposite with unlock mounting hole lower end on left chute of base, and the skewback lower end is located in left chute of base, left bottom
Seat sliding slot bottom is provided with the elongate slots for the insertion of skewback lower end tip；It is slidably fitted with unlock strut in the left chute of base,
Unlock strut inner end and skewback relative engagement, the left tapered end relative engagement in unlock strut outer end and self-locking mechanism.
The left handrail component and right handrail component are symmetrical；
The left handrail component includes being hinged on the left horizontal left handrail for helping beam exterior front, and the both ends of left handrail are bent downwardly, left
Armrest end part is provided with socket；
Left horizontal help under beam is fixedly connected with lower-left support；The sliding slot that front and back penetrates through, lower-left branch are provided in the lower-left support
It is slidably fitted with sliding sash in lower-left in seat sliding slot, there is the plug with the cooperation of left handrail end socket in sliding sash front end in lower-left；It is described
It is fixedly connected with the first plate of lower-left on rear side of the support of lower-left, is fixed with the second plate of lower-left in the lower-left in sliding sash；The first plate of lower-left
On be fixedly connected with the horizontal fulcrum in lower-left, the horizontal fulcrum front end in lower-left slides through the second plate of lower-left；It is set on the horizontal fulcrum in lower-left
There is a lower-left spring, lower-left both ends of the spring is against the first plate of lower-left, on the second plate of lower-left respectively；
It is rotatably equipped with lower-left in the lower-left support and founds fulcrum；The lower-left stands fulcrum lower end and stretches out lower-left support, and lower-left is vertical
Fulcrum lower end is fixedly connected with lower-left handwheel；The lower-left is stood fulcrum upper end and is protruded into lower-left in sliding sash, opens on sliding sash in lower-left
Have and found the elongate slots that fulcrum passes through for lower-left, lower-left stands fulcrum upper end and is fixedly connected with lower-left bearing；The lower-left bearing is against
On front side of the second plate of lower-left.
The unlocking mechanism, which is mounted on, right horizontal helps beam assembly.
The beneficial effects of the present invention are: using the portion of energy stored when sitting under old man when standing up, upper lift buttocks helps old
People stands up from sitting posture；If desired, can also use setting left handrail and right handrail help stand firm compose oneself after further out；
If transposition, chair rear leg lower end is mounted with a pair of bearings, transposition can be hauled with hand or hands.
Detailed description of the invention
Chair seat plate is in the left view of high-end trim when Fig. 1 is unmanned sits；
Fig. 2 is the left view that chair seat plate is in low-end trim when taking；
Fig. 3 is the right view that chair seat plate is in low-end trim when taking；
Fig. 4 is chair bottom A A sectional view；
Fig. 5 is the top view of left back sleeve part；
Fig. 6 is the main view of lower-left first connecting rod；
Fig. 7 is the top view of lower-left first connecting rod；
Fig. 8 is the main view of rear support leg and backrest module；
Fig. 9 is the left view of rear support leg and backrest module；
Figure 10 is lower-left second connecting rod main view；
Figure 11 is lower-left second connecting rod top view；
Figure 12 is the top view of tension spring component when chair seat plate is in high-end trim；
Figure 13 is the top view of tension spring component when chair seat plate is in low-end trim；
Figure 14 is the main view of front leg strut component；
Figure 15 is the top view of frame；
Figure 16 is the partial front elevation view of self-locking mechanism in chair seat plate lifting process；
Figure 17 is the partial top figure of self-locking mechanism in chair seat plate lifting process；
Figure 18 is the main view of chair seat plate and left support abutment component, right support abutment component；
Figure 19 is the first state main view of the unlocking mechanism in left side in chair seat plate component lifting process；
Figure 20 is the main view of lower-left third connecting rod；
Figure 21 is the top view of lower-left third connecting rod；
Figure 22 is the second state main view of the unlocking mechanism in left side in chair seat plate component lifting process；
Figure 23 is the main view of upper left first connecting rod；
Figure 24 is the top view of upper left first connecting rod；
Figure 25 is the third state main view of the unlocking mechanism in left side in chair seat plate component lifting process；
Figure 26 is the main view of upper left second connecting rod；
Figure 27 is the top view of upper left second connecting rod；
Figure 28 is the 4th state main view of the unlocking mechanism in left side in chair seat plate component lifting process；
Figure 29 is the main view of upper left third connecting rod；
Figure 30 is the top view of upper left third connecting rod；
Figure 31 is the main view of the unlocking mechanism in left handrail and Zuo Fuliang and left side；
Figure 32 is the top view of the unlocking mechanism in left handrail and Zuo Fuliang and left side；
Figure 33 is the left view of lower-left support；
Figure 34 is the top view of lower-left support；
Figure 35 is top view of the chair seat plate relative to left vertical beam and right vertical beam；
Figure 36 is the echelon sectional view of left pedestal；
Figure 37 is the top view of left pedestal；
Figure 38 is the left view of left pedestal；
Figure 39 is the main view of right handrail and the right unlocking mechanism for helping beam and right side；
Figure 40 is the right view of bottom right support；
Figure 41 is the top view of bottom right support；
Figure 42 is the main view of lower-left handwheel；
Figure 43 is the left view of lower-left handwheel；
Figure 44 is the top view of lower-left handwheel；
Figure 45 is the main view of sliding sash in lower-left；
Figure 46 is the top view of sliding sash in lower-left；
Figure 47 is the top view of chair seat plate Yu left support abutment component, right support abutment component and intermediate support；
Figure 48 is the left view of chair seat plate Yu left support abutment component, right support abutment component and intermediate support；
Figure 49 is the top view of unlocking mechanism；
Figure 50 is the top view of left front fulcrum；
Figure 51 is the left view of left back sleeve Yu left front fulcrum element.
In figure: 1 rear support leg and backrest module；2 left handrails；3 left horizontal help beam；4 the second pin shafts of upper left；5 the second pins of upper left；
6 upper left third pin shafts；7 upper left third pins；8 upper left third connecting rods；9 frames；10 even hold screw；11 back legs and the left wood of frame
Pin；12 left back sleeves；13 left back first pin shafts；Second fulcrum after 14；15 left back third pin shafts；16 left back 4th pin shafts；17 is left
Lower third connecting rod；It holds 18 bottom rights；It consigns 19 bottom rights；20 left back bolts；21 left back nuts；22 the second pin shafts of lower-left；23 lower-lefts
Two pins；24 the first pin shafts of lower-left；25 the first pins of lower-left；26 lower-left strutbeams；27 lower-left third pin shafts；28 lower-left third pins
Nail；29 left front legs；30 left front bolts；31 left front nuts；32 lower-left first connecting rods；33 lower-left second connecting rods；34 left front first pins
Axis；35 left front first pins；Second fulcrum before 36；37 left front second pins；38 left front fulcrums；39 upper rights are held；40 upper rights are consigned；
41 right vertical beam components；42 upper left first connecting rods；43 upper left second connecting rods；44 the first pin shafts of upper left；45 the first pins of upper left；46 is left
Screwing；47 left support abutment components；48 chair seat plates；49 left vertical beam components；50 left handrail bolts；51 left handrail nuts；
52 right front legs；It is held on after 53；It consigns on after 54；It is held under after 55；It consigns under after 56；It is held on before 57；It consigns on before 58；Before 59
Under hold；60 front lower consign；61 right handrails；62 right horizontal help beam；63 the second pin shafts of upper right；64 the second pins of upper right；65 upper right thirds
Pin shaft；66 upper right third pins；67 upper right third connecting rods；68 back legs and the right dowel of frame；69 right after sleeves；70 left springs；71
Right spring；Third pin shaft behind 72 right sides；4th pin shaft behind 73 right sides；74 bottom right third connecting rods；It holds 75 lower-lefts；It consigns 76 lower-lefts；77 is right
Rear bolt；78 right back nuts；Strutbeam after 79；80 the second pin shafts of bottom right；81 the second pins of bottom right；82 the first pin shafts of bottom right；83 is right
Lower first pin；84 bottom right strutbeams；85 bottom right third pin shafts；86 bottom right third pins；87 front supported beams；88 right front bolts；89 is right
Front nut；90 bottom right first connecting rods；91 bottom right second connecting rods；5th pin shaft behind 92 right sides；First pin behind 93 right sides；94 right anterior branch
Axis；95 upper right first connecting rods；It holds 96 upper lefts；It consigns 97 upper lefts；98 upper right second connecting rods；99 the first pin shafts of upper right；100 upper right pins
Nail；Dowel on 101；102 upper right screws；103 right support abutment components；104 right handrail bolts；105 right handrail nuts；
106 solution lock sets；107 left cross locking rods；108 left perpendicular pins；109 left tapered ends；110 left right-angle heads；Set bar before 111；In 112
Between support；113 linkage boards；114 universal driving shafts；115 linkage springs；116 right right-angle heads；Set bar after 117；118 central screws；
119 right cross locking rods；120 right perpendicular pins；121 right tapered ends；
122 the first plates of lower-left；123 lower-left supports；124 lower-left bolts；125 lower-left nuts；Sliding sash in 126 lower-lefts；127 lower-left axis
It holds；128 lower-left handwheels；Found fulcrum in 129 lower-lefts；130 the second plates of lower-left；The horizontal fulcrum in 131 lower-lefts；132 lower-left springs；133 lower-lefts
Gusset；
134 the first plates of bottom right；135 bottom right supports；136 bottom right bolts；137 bottom right nuts；Sliding sash in 138 bottom rights；139 bottom right axis
It holds；140 bottom right handwheels；Found fulcrum in 141 bottom rights；142 the second plates of bottom right；The horizontal fulcrum in 143 bottom rights；144 bottom right springs；145 bottom rights
Gusset；
146 lower-left pin shafts；147 bottom right pin shafts；
11 left leg back；Left dowel on 12；13 left inside plates；14 head pieces；Inner panel in 15；16 right inner panels；17 upper right wood
Pin；18 right leg back；19 lower beams；Dowel in 1 10；1 11 bottom right pin shafts；1 12 bottom right bearings；1 13 lower-left pin shafts；1−14
Lower-left bearing；
47 1 left bottom plates；47 2 left front outer supports；47 3 left outer supports；47 4 left back outer supporting plates；47 5 left front interior supporting plates；47
6 left interior supporting plates；47 7 left back interior supporting plates；47 8 left outside supports；47 9 left inside supports；
41 1 right vertical beams；41 2 right lateral pins；41 3 right vertical sets；
49 1 left vertical beams；49 2 left lateral pins；49 3 left vertical sets；
103 1 right bottom plates；Outer support before 103 2 right sides；Outer support in 103 3 right sides；Outer support behind 103 4 right sides；Interior branch before 103 5 right sides
Seat；Interior support in 103 6 right sides；Interior support behind 103 7 right sides；103 8 right outer supports；Support in 103 9 right sides；
106 1 unblock buttons；106 2 push rods；106 3 skewbacks；106 4 left pedestals；106 5 left bottom screws；106 6 outer guiding axis
It holds；106 7 outer fulcrums；Guide bearing in 106 8；Fulcrum in 106 9；106 10 unlock struts.
Symbol in figure:B k The outside width of chair legs；DThe diameter of handwheel；HThe displacement of left and right unlock；H 1The self-locking position in left and right
It moves；H z The high variable quantity of chair seat plate；L z The distance between left and right vertical beam symmetrical center line；L 1The shortest length of tension spring；L 2The maximum length of tension spring；L 12The length variable quantity of tension spring；KSquare groove in frame；LEach company of 12 connecting rods
Pole length；φ 1The angular displacement of lower-left third connecting rod；φ 2The angular displacement of upper left second connecting rod.
Specific embodiment
It is a specific embodiment of the invention below, the present invention will be further described with reference to the accompanying drawings.
In conjunction with shown in Fig. 1 to Fig. 3 and Figure 16 and Figure 19, a kind of change born of the same parents' chair for helping old solitary people to stand up from sitting posture
Son, connection rear support leg and backrest module 1 on rear side of frame 9, the lower forward position of frame 9 connect front leg strut component.It is equipped with above frame 9
Chair seat plate 48；Left connecting rod elevating mechanism, the right connecting rod elevating mechanism of the lower connected symmetrical dendrimer arrangement of chair seat plate 48.Left connecting rod lifting
It connects in mechanism, right connecting rod elevating mechanism to the tension spring group of left connecting rod elevating mechanism, right connecting rod elevating mechanism lifting power
Part.Two sides, which are connected with, on frame 9 left horizontal help beam assembly 49, right horizontal helps beam assembly 41；Left horizontal help is connected with a left side on beam assembly 49 and helps
Hand component, right horizontal help on beam assembly 41 are connected with right handrail component.It is connected with self-locking mechanism between chair seat plate 48 and frame 9,
It is left it is horizontal help on beam assembly be equipped with for control self-locking mechanism unlock unlocking mechanism.Unlocking mechanism also can choose and be mounted on
It is right horizontal to help on beam assembly 41.
In conjunction with shown in Fig. 1 to Fig. 3 and Fig. 8, Fig. 9, Figure 14 and Figure 15,
Rear support leg and backrest module 1, front leg strut component:
For solving the installation question of basic configuration and other correlated parts as chair, solves the elderly and tilt backwards
20 ° or so can haul transposition rather than remove the problem of replacing；
9 front lower place of frame is connected by two upper dowels 101 with left front leg 29 and right front leg 52, is held screw 10 by six companies and is divided
Hold 57 on not with before, it is rear on hold 53, upper left and hold 96, upper right and hold 39 and be connected.Back leg and the left pin 11 of frame carry on the back frame 9 and left leg
11 are connected, and frame 9 and right leg back 18 are connected by back leg with the right dowel 68 of frame；
Before on hold 57 pass through before on consign 58 and left front leg 29 and right front leg 52 be connected, it is front lower to hold 59 and consign 60 and left by front lower
Foreleg 29 and right front leg 52 are connected.Held on afterwards 53 pass through after on consign 54 and left leg back 11 be connected with right leg back 18, held under rear
55 pass through after under consign 56 and left leg back 11 with right leg back 18 be connected.Upper left hold 96 by upper left consign 97 and left front leg 29 with
Left leg back 11 is connected, lower-left hold 75 by lower-left consign 76 and left front leg 29 and left leg back 11 it is connected.Upper right holds 39 and passes through the right side
On consign 40 and right front leg 52 and right leg back 18 be connected, bottom right hold 18 by bottom right consign 19 and right front leg 52 and right leg carry on the back 18
It is connected；
The left end of head piece 14 is connected by upper left dowel 12 with left leg back 11, and the right end of head piece 14 passes through upper right dowel
17 are connected with right leg back 18.Left inside plate 13, middle inner panel 15, the upper end of right inner panel 16 and head piece 14 are connected, lower end with
Lower beam 19 is connected.Lower beam 19 is connected by middle dowel 1 10 and left leg back 11 and right leg back 18.Bottom right bearing 1 12
It is mounted on bottom right pin shaft 1 11, bottom right pin shaft 1 11 and right leg back 18 are connected.Lower-left bearing 1 14 is mounted on lower-left pin shaft 1
On 13, lower-left pin shaft 1 13 and left leg back 11 are connected.
When chair replaces on the ground, movable link number is 3, that is, bottom right bearing 1 12, lower-left bearing 1 14, chair
Other parts constitute a structural body, become a component, and revolute pair 2, higher pair 2, the freedom degree etc. relative to ground
InF=3n- 2P L- 1P H=3 × 3-2 × 2-1 × 2=3 can freely replace.
In conjunction with Fig. 1 to Figure 14 and Figure 18, Figure 20, Figure 21, Figure 23, Figure 24, Figure 26, Figure 27, Figure 29, Figure 30, Figure 47,
Shown in Figure 48, Figure 50, Figure 51,
Left connecting rod elevating mechanism:
Left connecting rod elevating mechanism, right connecting rod elevating mechanism are symmetrically arranged about chair seat plate, mutually tie with tension spring component
It closes, help when for solving to rise when chair seat plate is vertically translatable and declines using the gravity storage energy of the elderly, vertical translation
The problem of the elderly stands up；
First connecting rod 32 lower end in lower-left forms revolute pair, the first pin of lower-left 25 by the first pin shaft of lower-left 24 and lower-left strutbeam 26
For positioning the first pin shaft of lower-left 24；First connecting rod 32 upper end in lower-left is rotated by the second fulcrum of a left side 36 and left front fulcrum 38 composition
Pair, left front second pin 37 is for positioning preceding second fulcrum 36.33 lower end of lower-left second connecting rod by the second pin shaft of lower-left 22 with
Lower-left strutbeam 26 forms revolute pair, and the second pin of lower-left 23 is for positioning the second pin shaft of lower-left 22；33 upper end of lower-left second connecting rod
Revolute pair is formed by left front first pin shaft 34 and left front fulcrum 38, left front first pin 35 is for positioning left front first pin shaft
34.Third connecting rod 17 lower end in lower-left forms revolute pair, lower-left third pin 28 by lower-left third pin shaft 27 and lower-left strutbeam 26
For positioning lower-left third pin shaft 27；Third connecting rod 17 upper end in lower-left passes through left back first pin shaft 13 and rear second fulcrum 14 and a left side
After sleeve 12 forms revolute pair；
Left back sleeve 12 forms prismatic pair with left front fulcrum 38；
First connecting rod 42 lower end in upper left is rotated by left back third pin shaft 15 and left back 4th pin shaft 16 and left back sleeve 12 composition
It is secondary；First connecting rod 42 upper end in upper left forms revolute pair, the first pin of upper left by the first pin shaft of upper left 44 and left support abutment component 47
45 for positioning the first pin shaft of upper left 44.43 lower end of upper left second connecting rod by left back first pin shaft 13 and rear second fulcrum 14 with
Left back sleeve 12 forms revolute pair；Second connecting rod 43 upper end in upper left is turned by the second pin shaft of upper left 4 and the composition of left support abutment component 47
Dynamic pair, the second pin of upper left 5 is for positioning the second pin shaft of upper left 4.Third connecting rod 8 lower end in upper left passes through preceding second fulcrum 36 and a left side
Preceding fulcrum 38 forms revolute pair, and third connecting rod 8 upper end in upper left is rotated by upper left third pin shaft 6 and the composition of left support abutment component 47
Pair, upper left third pin 7 is for positioning upper left third pin shaft 6.
Similarly, right connecting rod elevating mechanism includes rear second fulcrum 14, preceding second fulcrum 36, the second pin shaft of upper right 63, upper right
Third pin behind second pin 64, upper right third pin shaft 65, upper right third pin 66, upper right third connecting rod 67, right after sleeve 69, the right side
4th pin shaft 73, bottom right third connecting rod 74, the second pin shaft of bottom right 80, the second pin of bottom right 81, the first pin shaft of bottom right behind axis 72, the right side
82, the first pin of bottom right 83, bottom right strutbeam 84, bottom right third pin shaft 85, bottom right third pin 86, bottom right first connecting rod 90, the right side
Lower second connecting rod 91, it is right after the 5th pin shaft 92, it is right after the first pin 93, right anterior branch axis 94, upper right first connecting rod 95, upper right second
Connecting rod 98, the first pin shaft of upper right 99, upper right pin 100, right support abutment component 103.
Lower-left strutbeam 26 is mounted on rear strutbeam 79 and in the left hole of front supported beam 87 and spot-welded together, the peace of bottom right strutbeam 84
It is in the right ports of rear strutbeam 79 and front supported beam 87 and spot-welded together.Front supported beam 87 passes through left front bolt 30 and left front nut
31 are connected with left front leg 29, and front supported beam 87 is connected by right front bolt 88 and right front nut 89 and right front leg 52.Strutbeam 79 is logical afterwards
Cross left back bolt 20 and left back nut 21 and left leg back 11 be connected, rear strutbeam 79 by right rear bolt 77 and right back nut 78 and
Right leg back 18 is connected.Left support abutment component 47, right support abutment component 103 are fixedly mounted on 48 bottom surface of chair seat plate by bolt group.
From the angle analysis of theory of mechanics, right connecting rod elevating mechanism is answering for passive constraint relative to left connecting rod elevating mechanism
With the movable link number of left connecting rod elevating mechanismn=9, low pair numberP L=13, higher pair numberP H=0, freedom degreeF=3n- 2P L
1P H=3 × 9-2 × 13-1 × 0=1.
When chair seat plate is gone up and down, movable link number is 9, that is, left support abutment component 47, upper left third connecting rod 8, upper left first connect
Bar 42, upper left second connecting rod 43, left back sleeve 12, left front fulcrum 38, lower-left first connecting rod 32, lower-left second connecting rod 33, lower-left
Third connecting rod 17, the freedom degree relative to lower-left strutbeam 26F=3n- 2P L- 1P H=3 × 9-2 × 13-1 × 0=1.
In conjunction with shown in Figure 12, Figure 13, Fig. 5, Figure 50,
Tension spring component:
Including left spring 70, right spring 71, rear second fulcrum 14, preceding second fulcrum 36, the front end of left spring 70 and right spring 71
It hangs on preceding second fulcrum 36, after the rear end of left spring 70 and right spring 71 is hung on the second fulcrum 14.
When chair seat plate 48 is located at high-order or low level and nobody takes a seat, the pulling force of spring all out of plumb pass to chair
Seat plate 48, the high variable quantity of chair seat plate 48H z With the length variable quantity of tension springL 12The ratio between be designed as 1.317, if old man
The maximum, force for needing to have helped isG, total maximum pull of two springs isF 12, energy conservation equation isH z G = L 12 F 12, left bullet
Maximum pull on spring 70F 1With the maximum pull on right spring 71F 2ForF 1 = F 2 = F 12/2 = H z G/2L 12 =
0.6586G, the present embodimentG=300 N,F 1 = F 2=197.58 N, pressure under the minimum of the present embodiment on chair seat plate 48G 0Lowest pull when=50 N, on left spring 70F 10With the lowest pull on right spring 71F 20ForF 10 = F 20 =
0.6586G 0 = 32.93 N。
In conjunction with shown in Fig. 1 to Fig. 3, Figure 16 to Figure 19 and Figure 22, Figure 25, Figure 28, Figure 35, Figure 47, Figure 48,
Left support abutment component 47, right support abutment component 103, linkage board 113:
For solving the installation question of left connecting rod elevating mechanism, right connecting rod elevating mechanism, self-locking mechanism:
Left bottom plate 47 1 is connected in the left side bottom surface of chair seat plate 48 by 10 upper left screws 46.Left front outer support 47 2, a left side
It is middle outer support 47 3, left back outer supporting plate 47 4, left front interior supporting plate 47 5, left interior supporting plate 47 6, left back interior supporting plate 47 7, left outside
Support 47 8 is respectively welded at the left bottom of left bottom plate 47 1；
Right bottom plate 103 1 is connected in the right side bottom surface of chair seat plate 48 by 10 upper right screws 102, it is right before outer support 103 2,
Outer support 103 3 in the right side, it is right after outer support 103 4, it is right before interior support 103 5, interior support 103 6 in the right side, it is right after interior support 103
7, right outer support 103 8 is respectively welded at the bottom right side of right bottom plate 103 1；
Intermediate support 112 is connected in the intermediate bottom surface of chair seat plate 48, left inside support 47 9 and the right side by 4 central screws 118
Interior support 103 9 is respectively welded at left and right sides of the bottom of linkage board 113.
In conjunction with shown in Figure 16 and Figure 17,
Self-locking mechanism:
Left tapered end 109 is welded on the outer end of left cross locking rod 107, and the perpendicular pin 108 in a left side is fixedly mounted on the left side of left cross locking rod 107.It is left
The hole of cross locking rod 107 and left outside support 47 8 and left inside support 47 9 forms prismatic pair.Left right-angle head 110 is fixedly mounted on left cross
The inside of locking bar 107, preceding set bar 111 are fixedly mounted on the right side of left right-angle head 110, preceding set bar 111 and linkage board 113
Preceding slot forms higher pair.Linkage board 113 is rotatably installed on universal driving shaft 114, and universal driving shaft 114 is fixedly mounted on intermediate support 112,
Intermediate support 112 is mounted below chair seat plate 48 by four central screws 118.One of linkage spring 115 is mounted on
On intermediate support 112, other end is mounted on linkage board 113；
Similarly: right tapered end 121 is welded on the outer end of right cross locking rod 119, and the perpendicular pin 120 in the right side is fixedly mounted on the right side of right cross locking rod 119
Side.The hole of right cross locking rod 119 and support 103 9 in right outer support 103 8 and the right side forms prismatic pair.The fixed peace of right right-angle head 116
Mounted in the inner end of right cross locking rod 119, rear set bar 117 is fixedly mounted on right 116 left side of right-angle head, rear set bar 117 and linkage
The pit of plate 113 forms higher pair.
Movable link number is 3 in self-locking mechanism, that is, left cross locking rod 107 and left right-angle head 110 and 111 groups of preceding set bar
Part, linkage board 113, right cross locking rod 119 and 117 component of right right angle 116 and rear set bar are prismatic pair 2, revolute pair 1, high
2 secondary, the freedom degree relative to fixed universal driving shaft 114 is equal toF=3n- 2P L- 1P H=3 × 3-2 × 3-1 × 2=1.
In conjunction with shown in Fig. 1 to Fig. 3, Figure 16, Figure 17, Figure 19, Figure 22, Figure 25, Figure 28, Figure 36 to Figure 38, Figure 47, Figure 49,
It is left horizontal to help beam assembly 49, right horizontal help beam assembly 41, unlocking mechanism:
Unlocking mechanism may be mounted at it is left it is horizontal help beam assembly 49 or it is right it is horizontal help on beam assembly 41, in the present embodiment unlocking mechanism install
It horizontal is helped on beam assembly 49 left；
The lower part of left vertical beam 49 1 is mounted in the square hole in 9 left side of frame, and top is mounted in the left horizontal square hole for helping beam 3.The right side is vertical
The lower part of beam 41 1 is mounted in the square hole on 9 right side of frame, and top is mounted in the right horizontal square hole for helping beam 62.It is left it is horizontal help beam 3 with
Left leg back 11 is connected, right horizontal to help beam 62 and right leg to carry on the back 18 to be connected.
The vertical set 49 3 in a left side is mounted in the vertical hole of left vertical beam 49 1, and the vertical set 49 3 in a left side is located in left vertical by left lateral pin 49 2
In beam 49 1.Unblock button 106 1 is mounted on the top of push rod 106 2, and push rod 106 2 is mounted in the hole of left vertical set 49 3,
Skewback 106 3 is fixedly mounted on the bottom end of push rod 106 2.Left pedestal 106 4 is mounted on frame by four left bottom screws 106 5
9 lower-left face.One outer guide bearing 106 6 is mounted in the hole in 106 10 outside of unlock strut by outer fulcrum 106 7, and two
A interior guide bearing 106 8 is mounted in the hole of 106 10 inside of unlock strut by two interior fulcrums 106 9, they are placed on
In the slot of left pedestal 106 4.
Unlocking mechanism movable link number is 4, that is, skewback 106 3, outer guide bearing 106 6, interior guide bearing 106 8, solution
Strut 106 10 is locked, prismatic pair 1, revolute pair 2, higher pair 5, the freedom degree relative to left vertical set 49 3 is equal toF=3n
2P L- 1P H=3 × 4-2 × 3-1 × 5=1.
After old man sits down, the top surface of Zuo Suotou 109 and right tapered end 121 is contacted with the bottom surface of frame 9H 1Length, linkage
The torsional moment of spring 115 is set as 0.8Nm, overhanging for the automatic overhanging of left cross locking rod 107 and right cross locking rod 119
Distance isH.When pushing unblock button 106 1, unlock strut 106 10 moves inwardHRealize unlock.
As shown in Fig. 1 to Fig. 3, Figure 31 to Figure 34, Figure 39 to Figure 46,
Left handrail component, right handrail component:
Left handrail component and right handrail component are about chair bilateral symmetry, for solving when old man stands as " crutch " at that time
It uses, left handrail can be only used, or only use right handrail or left handrail and use simultaneously with right handrail, after standing so as to old man
It does good body and chair is left in psychological preparation.
Left handrail component is only described in detail in the present embodiment；
Left handrail 2 is by left handrail bolt 50 and left handrail nut 51 and left horizontal beam 3 is helped to form revolute pair.The first plate of lower-left 122
It is welded into a lower-left mounting assembly with lower-left support 123 and lower-left gusset 133, passes through lower-left bolt 124 and lower-left nut 125
It is fixedly mounted on the left horizontal lower section for helping beam 3.The second plate of lower-left 130 is welded on the middle part of sliding sash 126 in lower-left, sliding sash in lower-left
126 form prismatic pair with lower-left mounting assembly.The left end of the horizontal fulcrum 131 in lower-left is fixedly mounted in the hole of the first plate of lower-left 122,
The hole of right end and the second plate of lower-left 130 forms prismatic pair, and lower-left spring 132 is sleeved on the horizontal fulcrum 131 in lower-left.Lower-left bearing
127 are mounted on the top that fulcrum 129 is found in lower-left, and lower-left founds fulcrum 129 and forms revolute pair, lower-left handwheel 128 with lower-left support 123
Fulcrum 129 is found with lower-left by lower-left pin shaft 146 to be fixedly connected.
When lower-left handwheel 128 rotates counterclockwise 90 °, lower-left bearing 127 pushes sliding sash 126 in lower-left to realize solution to the left
Lock, when lower-left handwheel 128 rotates clockwise 90 ° again, sliding sash 126 moves right under the promotion of lower-left spring 132 in lower-left
It realizes and resets.As chair in use, left handrail 2 is lain in the left horizontal slot for helping beam 3, when as branch cane in use, 2 quilt of left handrail
The elderly rotates clockwise 95 °, and sliding sash 126 moves right under the promotion of lower-left spring 132 and automatically locks left handrail 2 in lower-left
Firmly.
Left handrail relative to it is left it is horizontal help beam indexing when, movable link number be 1, that is, left handrail 2, revolute pair 1, relative to
The left horizontal freedom degree for helping beam 3 is equal toF=3n- 2P L- 1P H=3 × 1-2 × 1-1 × 0=1.When left handrail is motionless in situ, phase
0 is equal to for the freedom degree at other positions.
Similarly: right handrail component includes right handrail 61, the right horizontal beam 62, right handrail bolt 104, right handrail nut 105, right helped
Lower first plate 134；Bottom right support 135；Bottom right bolt 136；Bottom right nut 137；Sliding sash 138 in bottom right；Bottom right bearing 139；It is right
Lower handwheel 140；Found fulcrum 141 in bottom right；The second plate of bottom right 142；The horizontal fulcrum 143 in bottom right；Bottom right spring 144；Bottom right gusset 145.
The operation of right handrail 61 is the same as left handrail 2.
Right handrail relative to it is right it is horizontal help beam indexing when, movable link number be 1, that is, right handrail 61, revolute pair 1, relative to
The right horizontal freedom degree for helping beam 62 is equal toF=3n- 2P L- 1P H=3 × 1-2 × 1-1 × 0=1.When right handrail is motionless in situ, phase
0 is equal to for the freedom degree at other positions.
Working principle:
When chair seat plate 48 is located at a high position, the left end face contact of the right side of left back sleeve 12 and left front fulcrum 38, right rear enclosure
The right side of cylinder 69 and the left end face contact of right anterior branch axis 94, the pulling force on tension spring prop up before becoming two after sleeves with two
Pressure between axis, out of plumb pass to chair seat plate 48, only when the lower pressure on chair seat plate 48 is more than on tension spring
Initial tension when, chair seat plate 48 could downlink；
When chair seat plate 48 reaches low level, the lower pressure of setting is the N of 200 N~500, can be pacified according to old human needs
The spring of different-stiffness is filled, pressure series are 200 N, 300 N, 400 N, 500 N, and when the elderly is seated always, chair is sat
Plate 48 is in situ motionless, and when leaving, the power lifted on chair seat plate 48 delivers frame 9 with right tapered end 121 by left tapered end 109；
When needing to have helped, being seated applies the pressure of 25 N to unblock button 106 1, the six roots of sensation in left connecting rod elevating mechanism
Connecting rod is isometric, and three horizontal axis of upper, middle and lower are parallel to each other, and top forms a parallelogram mechanism and contra-parallelogram
Mechanism, lower part form a parallelogram mechanism and anti-parallelogram mechanism,φ 1 = φ 2, with lower-left third pin shaft 27
The center of circle is origin, the center of circle horizontal displacement of the second pin shaft of upper left 4x = Lcos(π − φ 1) + Lcos φ 2=0, right connecting rod
Elevating mechanism is identical as the size of left connecting rod elevating mechanism.
The beneficial effect of the present embodiment is:
When being sat under old man, left hand grab it is left it is horizontal help beam, the right hand grab it is right it is horizontal help beam, chair seat plate is pushed by buttocksH z Height
After stop, the bottom surface of chair seat plate periphery is contacted with frame roof, and the weight of old man is held jointly by frame and tension spring component
Load, it is essentially the same with normal chair at this time, it pushesH z Apart from when absorb old man's self gravity percentGSo as to from sitting posture station
Help is released when erecting to stand up；
When old man stands up, chair seat plate is provided with two states, the first state is that chair seat plate is motionless in situ, i.e., old man rises
It does not need to help immediately, old man directly stands up without any operation；Second of state is to have helped, and is applied when old man is seated to unblock button
Add the pressure of 25 N, left tapered end and right tapered end leave frame, and the pulling force on left spring and right spring passes through left connecting rod elevating mechanism
It will be lifted on chair seat plate with right connecting rod elevating mechanism, help to stand up；
In addition, being provided with left handrail on beam in left horizontal help, right handrail, when needed, left handrail quilt are provided on beam in right horizontal help
Left hand be rotated up hold up it is rear it is self-locking with help stand up, right handrail be rotated up by the right hand hold up it is rear it is self-locking with help stand up, erect
Rise after left handrail with hold up after right handrail can help old man stand firm compose oneself after further out, heightH z It can according to need
Customization,GCan according to need selection, left handrail and right handrail decide whether as needed using；
Chair is tilted backwards 20 ° or so and can haul transposition rather than remove transposition.
Metamorphic mechanisms are effective number of components and freedom degree and structural form all changed machines therewith when function changes
Structure.The chair of metamorphic mechanisms is one of metamorphic mechanisms, becomes the abbreviation that born of the same parents' chair is metamorphic mechanisms chair, it is opposite to become born of the same parents' chair
It is common chair when the freedom degree of four legs is zero, freedom degree when transposition relative to ground is equal to 3(F=3n- 2P L
1P H=3 × 3-2 × 2-1 × 2=3), it is equal to 1(relative to the freedom degree of four legs when chair seat plate is gone up and downF=3n- 2P L
1P H=3 × 9-2 × 13-1 × 0=1), left handrail horizontal helps freedom degree when beam indexing relative to four legs to be equal to relative to left
1(F=3n- 2P L- 1P H=3 × 1-2 × 1-1 × 0=1), right handrail relative to it is right it is horizontal help beam indexing when relative to four legs
Freedom degree be equal to 1(F=3n- 2P L- 1P H=3 × 1-2 × 1-1 × 0=1), left handrail and right handrail motionless phase in situ
0 is equal to for the freedom degree of four legs.
Claims (9)
1. a kind of change born of the same parents' chair for helping old solitary people to stand up from sitting posture, including frame (9), after frame (9) rear side is connected with
Supporting leg and backrest module (1), frame are connected with front leg strut component under (9)；
It is characterized by:
Chair seat plate (48) are equipped with above the frame (9)；
The left connecting rod elevating mechanism being arranged symmetrically, right connecting rod elevating mechanism are connected under the chair seat plate (48)；
It is connected in the left connecting rod elevating mechanism, right connecting rod elevating mechanism to left connecting rod elevating mechanism, right connecting rod elevating mechanism
The tension spring component of lifting power；
On the frame (9) two sides be connected with it is horizontal help beam assembly, it is horizontal that help beam assembly include left horizontal helping beam assembly (49), right horizontal helping beam
Component (41)；
Left horizontal help on beam assembly (49) is connected with left handrail component, and right horizontal help on beam assembly (41) is connected with right handrail group
Part；
It is connected with self-locking mechanism between the chair seat plate (48) and frame (9), is equipped in horizontal help on beam assembly for controlling
The unlocking mechanism of self-locking mechanism unlock.
2. the change born of the same parents' chair according to claim 1 for helping old solitary people to stand up from sitting posture, it is characterised in that: after described
Supporting leg and backrest module (1) include the left leg back (1 1) being arranged symmetrically, right leg back (1 8), left leg back (1 1), right leg back (1
8) be from top to bottom connected in turn between head piece (1-4), lower beam (1-9), it is rear on hold (53), it is rear under hold (54)；The top
Left inside plate (1-3), middle inner panel (1-5), right inner panel (1-6) are connected between crossbeam (1-4), lower beam (1-9)；The left leg back
It is provided with dovetail groove on rear side of (1 1) lower end, lower-left bearing (1-14) is installed in left leg back (1 1) dovetail groove；The right leg back (1
8) it is provided with dovetail groove on rear side of lower end, bottom right bearing (1-12) is installed in right leg back (1 8) dovetail groove；The left leg back (1 1),
It is fixedly connected in the middle part of right leg back (1 8) with frame (9)；
The front leg strut component includes the left front leg (29) being arranged symmetrically, right front leg (52), left front leg (29), right front leg (52) it
Between be from top to bottom connected in turn before on hold (57), front lower hold (59)；The left front leg (29), right front leg (52) upper end and frame
(9) it is fixedly connected；
From top to bottom it is connected with that (96) are held in upper left, (75) are held in lower-left between the left leg back (1 1), left front leg (29) in turn；
From top to bottom it is connected with that upper right holds (39), (18) are held in bottom right between the right leg back (1 8), right front leg (52) in turn.
3. the change born of the same parents' chair according to claim 1 for helping old solitary people to stand up from sitting posture, it is characterised in that: the left side
Connecting rod lifting mechanism includes lower-left strutbeam (26), and lower-left strutbeam (26) rear portion is hinged with lower-left first connecting rod (32), lower-left second
Connecting rod (33), lower-left first connecting rod (32), lower-left second connecting rod (33) parallel arrangement；Lower-left strutbeam (26) front is hinged with lower-left
Third connecting rod (17)；
The lower-left first connecting rod (32), lower-left second connecting rod (33) upper end are hinged with left front fulcrum (38), lower-left third connecting rod
(17) upper end is hinged with left back sleeve (12)；Left front fulcrum (38) rear end cap is in left back sleeve (12), left front fulcrum
(38), left back sleeve (12) is parallel with lower-left strutbeam (26)；
Upper left first connecting rod (42), upper left second connecting rod (43), upper left first connecting rod are hinged on the left back sleeve (12)
(42), upper left second connecting rod (43) is arranged in parallel；Upper left third connecting rod (8) are hinged on the left front fulcrum (38)；The left side
Upper first connecting rod (42), upper left second connecting rod (43), upper left third connecting rod (8) upper end are hinged with left support abutment component (47)；It is described
Left support abutment component (47) is parallel with lower-left strutbeam (26)；
The right connecting rod elevating mechanism includes bottom right strutbeam (84), right anterior branch axis (94), right after sleeve (69)；
The bottom right strutbeam (84), lower-left strutbeam (26) front and back ends be respectively fixedly connected with front supported beam (87), rear strutbeam
(79)；The front supported beam (87), rear strutbeam (79) are fixedly connected under rear support leg and backrest module (1) and front leg strut component
Portion.
4. the change born of the same parents' chair according to claim 3 for helping old solitary people to stand up from sitting posture, it is characterised in that: the drawing
Power spring assembly includes rear second fulcrum (14) being arranged symmetrically, preceding second fulcrum (36)；Second fulcrum (14) both ends after described
It is respectively hinged at left back sleeve (12), in right after sleeve (69), preceding second fulcrum (36) both ends are respectively hinged at left front fulcrum
(38), on right anterior branch axis (94)；The left side being arranged symmetrically is connected between second fulcrum (14), preceding second fulcrum (36) after described
Spring (70) and right spring (71).
5. the change born of the same parents' chair according to claim 1 for helping old solitary people to stand up from sitting posture, it is characterised in that: it is described from
Latch mechanism is mounted on left horizontal help on beam assembly (49)；
Self-locking mechanism includes the intermediate support (112) for being fixedly connected on chair seat plate (48) following middle position；The intermediate branch
Universal driving shaft (114) are fixedly connected on seat (112)；Universal driving shaft (114) end is rotatably equipped with linkage board (113), linkage
Linkage spring (115) is set on axis (114)；The linkage spring (115) upper end is fixedly connected with intermediate support (112), connection
Spring (115) lower end of moving is fixedly connected with linkage board (113)；
It is provided with symmetrical preceding slot, pit on the linkage board (113), is slidably fitted with preceding set bar in slot before linkage board (113)
(111), rear set bar (117) are slidably fitted in linkage board (113) pit；The preceding set bar (111) is connected with left right angle
Head (110), rear set bar (117) are connected with right right-angle head (116)；Left right-angle head (110) other end is connected with left cross locking
Bar (107), right right-angle head (116) other end are connected with right cross locking rod (119)；
The left cross locking rod (107), right cross locking rod (119) are arranged symmetrically；
The both ends sliding sleeve of the left cross locking rod (107) is equipped with left outside support (47 8), left inside support (47 9), left outside support
(47 8), left inside support (47 9) are fixed under chair seat plate (48)；Left cross locking rod (107) outer end is fixedly connected with left tapered end
(109)；Left tapered end (109) lateral surface is inclined-plane, and (109) inclined-plane Zuo Suotou and frame (9) left side are opposite up and down.
6. the change born of the same parents' chair according to claim 5 for helping old solitary people to stand up from sitting posture, it is characterised in that: the left side
It is horizontal that beam assembly (49) is helped horizontal to help beam assembly (41) symmetrical with right；
It is described it is left it is horizontal to help beam assembly (49) include left vertical beam (49-1), the lower end Zuo Liliang (49-1) is fixedly connected on frame (9) left side
Side, the upper end Zuo Liliang (49-1) be fixedly connected with it is left it is horizontal help beam (3), it is left horizontal to help beam (3) rear end and rear support leg and backrest module (1)
It is fixedly connected.
7. the change born of the same parents' chair according to claim 6 for helping old solitary people to stand up from sitting posture, it is characterised in that: the solution
Latch mechanism includes left vertical beam (49-1), the left horizontal unlock mounting hole for helping beam (3), frame (9) up and down；The unlock mounting hole
In be equipped with push rod (106-2), the upper end push rod (106-2) is fixedly connected with unblock button (106-1), the lower end push rod (106-2)
It is fixedly connected with skewback (106-3), skewback (106-3) is slidably mounted on unlock mounting hole lower part；
The left pedestal (106-4) opposite with unlock mounting hole is fixedly connected in the frame (9) downside；The left pedestal
Horizontal sliding slot is provided in (106-4), side opening is opposite with unlock mounting hole lower end on left pedestal (106-4) sliding slot, described oblique
The block lower end (106-3) is located in left pedestal (106-4) sliding slot, and left pedestal (106-4) sliding slot bottom is provided under skewback (106-3)
Hold the elongate slots of tip insertion；It is slidably fitted with unlock strut (106-10) in left pedestal (106-4) sliding slot, unlocks strut
The inner end (106-10) and skewback (106-3) relative engagement, the unlock strut outer end (106-10) and the left tapered end in self-locking mechanism
(109) relative engagement.
8. the change born of the same parents' chair according to claim 6 for helping old solitary people to stand up from sitting posture, it is characterised in that: the left side
Armrest assembly and right handrail component are symmetrical；
The left handrail component includes being hinged on the left horizontal left handrail (2) for helping beam (3) exterior front, the both ends of left handrail (2) to
Lower bending, left handrail (2) end are provided with socket；
Left horizontal help under beam (3) is fixedly connected with lower-left support (123)；Front and back perforation is provided in the lower-left support (123)
Sliding slot, be slidably fitted with sliding sash in lower-left (126) in lower-left support (123) sliding slot, in lower-left sliding sash (126) front end have with it is left
The plug of handrail (2) end socket cooperation；It is fixedly connected with the first plate of lower-left (122) on rear side of the lower-left support (123), it is described
The second plate of lower-left (130) is fixed in sliding sash (126) in lower-left；The horizontal fulcrum in lower-left is fixedly connected on the first plate of lower-left (122)
(131), the horizontal fulcrum in lower-left (131) front end slides through the second plate of lower-left (130)；It is set on the horizontal fulcrum in lower-left (131)
Lower-left spring (132), lower-left spring (132) both ends are against the first plate of lower-left (122), on the second plate of lower-left (130) respectively；
It is rotatably equipped with lower-left in the lower-left support (123) and stands fulcrum (129)；Stand the stretching of fulcrum (129) lower end in the lower-left
Lower-left support (123), lower-left stand fulcrum (129) lower end and are fixedly connected with lower-left handwheel (128)；Stand fulcrum (129) in the lower-left
Upper end is protruded into sliding sash in lower-left (126), is provided on sliding sash (126) in lower-left and is found the elongate slots that fulcrum (129) passes through for lower-left,
It stands fulcrum (129) upper end and is fixedly connected with lower-left bearing (127) in lower-left；The lower-left bearing (127) is against the second plate of lower-left
(130) front side.
9. the change born of the same parents' chair according to claim 1 for helping old solitary people to stand up from sitting posture, it is characterised in that: the solution
Latch mechanism is mounted on left horizontal help on beam assembly (49).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910753228.0A CN110448086A (en) | 2019-08-15 | 2019-08-15 | The change born of the same parents' chair for helping old solitary people to stand up from sitting posture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910753228.0A CN110448086A (en) | 2019-08-15 | 2019-08-15 | The change born of the same parents' chair for helping old solitary people to stand up from sitting posture |
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| CN110448086A true CN110448086A (en) | 2019-11-15 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023231815A1 (en) * | 2022-06-01 | 2023-12-07 | Shanghai Respecting Intelligence Technology Co., Ltd. | Chair with an elastic lifting seat pan |
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| US20050017559A1 (en) * | 2003-07-25 | 2005-01-27 | Chin-Chin Kao | Seat elevating mechanism for chair |
| CN103385614A (en) * | 2013-07-30 | 2013-11-13 | 刘自拔 | Chair with heights of backrest and armrests convenient to adjust |
| CN106942932A (en) * | 2017-03-22 | 2017-07-14 | 沈阳工业大学 | The convertible electric boosted function chair of seat |
| CN108338527A (en) * | 2018-02-08 | 2018-07-31 | 江苏建筑职业技术学院 | One kind is multi-functional to combat a natural disaster emergent office desk and chair |
| CN109152686A (en) * | 2016-04-05 | 2019-01-04 | 优动产品公司 | seat positioning system for wheelchair |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050017559A1 (en) * | 2003-07-25 | 2005-01-27 | Chin-Chin Kao | Seat elevating mechanism for chair |
| CN103385614A (en) * | 2013-07-30 | 2013-11-13 | 刘自拔 | Chair with heights of backrest and armrests convenient to adjust |
| CN109152686A (en) * | 2016-04-05 | 2019-01-04 | 优动产品公司 | seat positioning system for wheelchair |
| CN106942932A (en) * | 2017-03-22 | 2017-07-14 | 沈阳工业大学 | The convertible electric boosted function chair of seat |
| CN108338527A (en) * | 2018-02-08 | 2018-07-31 | 江苏建筑职业技术学院 | One kind is multi-functional to combat a natural disaster emergent office desk and chair |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2023231815A1 (en) * | 2022-06-01 | 2023-12-07 | Shanghai Respecting Intelligence Technology Co., Ltd. | Chair with an elastic lifting seat pan |
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20191115 |