CN209236629U - Fully collapsible invalid's chair - Google Patents
Fully collapsible invalid's chair Download PDFInfo
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- CN209236629U CN209236629U CN201822066272.8U CN201822066272U CN209236629U CN 209236629 U CN209236629 U CN 209236629U CN 201822066272 U CN201822066272 U CN 201822066272U CN 209236629 U CN209236629 U CN 209236629U
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- supporting element
- mounting
- chassis
- chair
- fully collapsible
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- 230000007246 mechanism Effects 0.000 claims abstract description 90
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 210000000245 forearm Anatomy 0.000 description 8
- 238000000034 method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004826 seaming Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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Abstract
The fully collapsible invalid's chair of the utility model, including chassis, mounting, fold mechanism, locking mechanism and supporting element；Fold mechanism can be rotatably set with respect to chassis and mounting, can link chassis and mounting close to or far from；Supporting element is set between chassis, mounting and fold mechanism, is used to support the unfolded state of fold mechanism；Locking mechanism is used for lock support part, and when locking mechanism lock support part, fold mechanism keeps unfolded state, and when locking mechanism releases the locking to supporting element, fold mechanism is foldable.The component at each position of fully collapsible invalid's chair is connected by shaft, and all parts are all linked with one another, by controlling the rotation of supporting element, the expansion or folding of fully collapsible invalid's chair can be controlled, when folding convenient for operation.Fully collapsible invalid's chair is predominantly folded up and down simultaneously, can reduce occupied space when storage by foldable, can be realized fore-aft fold, so that the folded volume of fully collapsible invalid's chair greatly reduces, easily being carried or be transported component setting itself.
Description
Technical field
The utility model relates to wheelchair fields, in particular to fully collapsible invalid's chair.
Background technique
Wheelchair is to aid in that handicapped people is mobile, movable equipment, general wheelchair although provide user carry out in,
Convenience when movable over long distances, but a large amount of space is occupied when storing storage.
At present using fully collapsible invalid's chair solves the problems, such as storage occupied space it is big, convenient for users to or care-giver to wheelchair progress
It carries and carries.
Existing fully collapsible invalid's chair is primarily present following defect:
1) folding mode is substantially left and right folding, occupied area and the folded volume of wheelchair or excessive after folding,
So that the carrying and transport of wheelchair are not very convenient.
2) the step of folding and open is excessively cumbersome, inconvenience operation.
Utility model content
In view of this, the purpose of this utility model is to overcome deficiency in the prior art, body after a kind of folding is provided
Product is smaller, is readily transported carrying, the fully collapsible invalid's chair that folding operation is easier.
The utility model provides the following technical solutions:
Fully collapsible invalid's chair, including chassis, mounting, fold mechanism, locking mechanism and supporting element；
The relatively described chassis of the fold mechanism and the mounting can be rotatably set, and can link the chassis and described
Mounting close to or far from；
The supporting element is set between the chassis, the mounting and the fold mechanism, is used to support the folding machine
The unfolded state of structure；
The locking mechanism is for locking the supporting element, when the locking mechanism locks the supporting element, the folding
Mechanism keeps unfolded state, and when the locking mechanism releases the locking to the supporting element, the fold mechanism is foldable.
As the further alternative scheme to above-mentioned fully collapsible invalid's chair, the supporting element and the chassis, the mounting
Connected on three not conllinear positions with the fold mechanism, and the supporting element respectively with the chassis and the mounting shape
At being rotatably connected, form a fixed connection with the fold mechanism；
When the supporting element rotates, the fold mechanism that can link is folded.
As the further alternative scheme to above-mentioned fully collapsible invalid's chair, the locking mechanism is set to the supporting element and institute
It states between chassis or is set between the supporting element and the mounting, to limit the rotation of the supporting element.
As the further alternative scheme to above-mentioned fully collapsible invalid's chair, the locking mechanism includes clutch component and engagement
Part, the fastener are set to the supporting element and the junction of the chassis or the junction of the supporting element and the mounting,
The rotation of the supporting element and the chassis or the mounting can be limited when the clutch component is engaged with the fastener.
As the further alternative scheme to above-mentioned fully collapsible invalid's chair, the clutch component includes drawing article, executive item
And dynamic clamping head and quiet clamping head, the fastener are the connection of the relatively described supporting element and the chassis or the supporting element and the mounting
The groove of eccentric shaft setting, the drawing article can pull the executive item to be fitted into or separate, the elasticity with the fastener
Return unit drives the executive item chimeric with the fastener.
As the further alternative scheme to above-mentioned fully collapsible invalid's chair, the fully collapsible invalid's chair further includes the chair back, the chair
Back is rotatably connected on the mounting；
The chair back is equipped with angle adjusting piece, and the chair back is connect by the angle adjusting piece with the supporting element,
The angle adjusting piece is equipped with multiple intervals or continuously distributed angular adjustment slot, and the locking mechanism is described by being embedded at
The supporting element rotation is limited in angular adjustment slot.
As the further alternative scheme to above-mentioned fully collapsible invalid's chair, the fully collapsible invalid's chair further includes armrest assembly, institute
Stating armrest assembly includes handrail and telescopic rod, and the handrail is rotationally connected on the chair back, the both ends point of the telescopic rod
It is not rotatably coupled with the handrail and the mounting.
As the further alternative scheme to above-mentioned fully collapsible invalid's chair, the fold mechanism includes front component and rear-wheel
Component；
The front component is rotatably connected on the chassis and the mounting；
The wheel assembly is rotatably connected on the mounting, and is fixed with the supporting element.
As the further alternative scheme to above-mentioned fully collapsible invalid's chair, the front component is connected with the wheel assembly
In the front end of the mounting, the front component is connected to the front end of the chassis, and the supporting element is set to the chassis and institute
State the rear end of mounting.
As the further alternative scheme to above-mentioned fully collapsible invalid's chair, the wheel assembly includes locating part, the folding
When folded mechanism deploying, the locating part is abutted with the supporting element, and the abutted position of the locating part and the supporting element and
The wheel assembly is fixedly connected with position difference with the supporting element.
The fully collapsible invalid's chair of the utility model at least has the advantages that
The component at each position of fully collapsible invalid's chair is connected by shaft, and all parts are all linked with one another, by controlling supporting element
Rotation, the expansion or folding of fully collapsible invalid's chair can be controlled, fold when convenient for operation.Fully collapsible invalid's chair is mainly vertical folding simultaneously
It is folded, it can be by the way that component setting itself in foldable, can be realized fore-aft fold, so that the folded volume of fully collapsible invalid's chair is significantly
Reduce, easily can be carried or be transported, reduces occupied space when storage.
For enable the above objects, features, and advantages of the utility model become apparent from it is understandable, preferred embodiment is cited below particularly,
And cooperate appended attached drawing, it is described below in detail.
Detailed description of the invention
It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by
Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also
To obtain other relevant attached drawings according to these attached drawings.
Fig. 1 shows the axis of dilatation geodesic structure schematic diagram figure of fully collapsible invalid's chair provided by the embodiment of the utility model；
Fig. 2 shows the expansion right side structural representations of fully collapsible invalid's chair provided by the embodiment of the utility model；
Fig. 3 shows the expansion schematic view of the front view of fully collapsible invalid's chair provided by the embodiment of the utility model；
Fig. 4 is the schematic diagram of the section structure A-A of Fig. 3；
Fig. 5 is the partial enlargement structural representation of Fig. 4；
The chair back that Fig. 6 shows fully collapsible invalid's chair provided by the embodiment of the utility model carries out the axis geodesic structure that angle tunes up and shows
It is intended to；
Fig. 7 shows the structural schematic diagram that the handrail of fully collapsible invalid's chair provided by the embodiment of the utility model lifts；
Fig. 8 shows the foldable structure schematic diagram of fully collapsible invalid's chair provided by the embodiment of the utility model.
Icon: 1- chassis；11- foot pedal；2- mounting；3- fold mechanism；31- front component；311- forearm；312- front truck
Wheel；32- wheel assembly；321- postbrachium；322- rear wheel；323- locating part；4- locking mechanism；41- clutch component；411- is pulled
Part；412- executive item；413- dynamic clamping head and quiet clamping head；42- fastener；5- supporting element；6- support frame；7- electric drive；The 8- chair back；
81- angle adjusting piece；9- armrest assembly；91- handrail；92- telescopic rod.
Specific embodiment
The application in order to facilitate understanding is described more fully fully collapsible invalid's chair below with reference to relevant drawings.Attached drawing
In give the preferred embodiment of fully collapsible invalid's chair.But fully collapsible invalid's chair can be realized by many different forms, and unlimited
In embodiment described herein.On the contrary, purpose of providing these embodiments is makes to the disclosure of fully collapsible invalid's chair more
It is thorough and comprehensive.
It should be noted that it can directly on the other element when element is referred to as " being fixed on " another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it, which can be, is directly connected to
To another element or it may be simultaneously present centering elements.On the contrary, when element is referred to as " directly existing " another element "upper",
There is no intermediary elements.Term as used herein "vertical", "horizontal", "left" and "right" and similar statement are
For illustrative purposes.
Unless otherwise defined, all technical and scientific terms used herein and the technical field for belonging to the application
The normally understood meaning of technical staff is identical.It is intended merely to describe in the term used in the description of fully collapsible invalid's chair herein
The purpose of specific embodiment, it is not intended that limitation the utility model.Term " and or " used herein includes one or more
Any and all combinations of a relevant listed item.
Embodiment 1
It is a kind of wheelchair that can be folded as shown in Figure 1, the present embodiment provides a kind of fully collapsible invalid's chair, when expansion can be just
It is often used, has convenient for operation when folding, folding volume is small, the characteristics of being readily transported and store.Fully collapsible invalid's chair include chassis 1,
Mounting 2, fold mechanism 3, locking mechanism 4 and supporting element 5.
Fold mechanism 3 can be rotatably set with respect to chassis 1 and mounting 2, can link chassis 1 and mounting 2 close to or far from,
And then chassis 1, mounting 2 and fold mechanism 3 constitute the rack of fully collapsible invalid's chair, chassis 1 and mounting 2 are in rack-like, and mounting 2 is to fold
The seat of wheelchair, chassis 1, which is set under mounting 2, plays the role of carrying and support remaining part, the folding or exhibition of fold mechanism 3
Open can link chassis 1 and the folding of mounting 2 or expansion.
Supporting element 5 is set between chassis 1, mounting 2 and fold mechanism 3, is used to support the expansion shape for keeping fold mechanism 3
State, chassis 1 and mounting 2 are separate when fold mechanism 3 is unfolded, and fully collapsible invalid's chair is unfolded and keeps unfolded state, so that user normally makes
With.Supporting element 5 is a kind of support stressed member, and when fully collapsible invalid's chair expansion, 2 stress of mounting is transmitted on supporting element 5, support
Part 5 is supported between fold mechanism 3 and chassis 1, so that fold mechanism 3 is unfolded and fixes, so that chassis 1 and mounting 2 are solid
It is fixed.
Locking mechanism 4 is used for lock support part 5, and when 4 lock support part 5 of locking mechanism, fold mechanism 3 keeps expansion shape
State, when locking mechanism 4 releases the locking to supporting element 5, fold mechanism 3 is foldable, so that fully collapsible invalid's chair is foldable, and rolls over
The folding of folded wheelchair being folded into along mounting 2 or ground, folding effect is more preferable, and folded volume can accomplish smaller.
In the present embodiment, supporting element 5 connects on three not conllinear positions with chassis 1, mounting 2 and fold mechanism 3, and
It is rotatably connected with chassis 1 and the formation of mounting 2, forms a fixed connection with fold mechanism 3 respectively.When supporting element 5 rotates, Neng Goulian
Dynamic fold mechanism 3 folds.
The connection of chassis 1, mounting 2 and fold mechanism 3 on supporting element 5 connection triangular in shape, triangle be it is a kind of the most
Stable figure, Triangle-Profile connection equally have excellent support effect.Supporting element 5 can be triangular support disk,
It can be the component of other shapes.
In the present embodiment, supporting element 5 be triangular support disk, three angles of supporting element 5 respectively with chassis 1, mounting 2 and folding
Folded mechanism 3 connects.Triangle support frame 6 is protected while connecting with chassis 1, mounting 2 and fold mechanism 3 formation angular position
Support strength is demonstrate,proved, has smaller position prominent, can be effectively prevented from folding process to caused by other components
Interference.
The rotation connection mentioned in this article that can be but be not limited to the modes such as hinged, pivot joint, grafting that is rotatably connected.
Above-mentioned, when the rotation of supporting element 5 is fixed by locking mechanism 4, the expansion of fold mechanism 3 is locked, and then chassis 1
It is fixed with mounting 2, when locking mechanism 4 picks out the locking to supporting element 5, supporting element 5 is able to drive the rotation of fold mechanism 3,
So that fold mechanism 3 folds, so that being located proximate to for chassis 1 and mounting 2, realizes the folding of fully collapsible invalid's chair.
Referring to Figure 2 together, fold mechanism 3 includes front component 31 and wheel assembly 32.Front component 31 is rotationally
It is connected on chassis 1 and mounting 2, wheel assembly 32 is rotatably connected on mounting 2, and fixed with supporting element 5.Front component
31 and wheel assembly 32 constitute fold mechanism 3, by being directly connected between on mounting 2, and by directly or indirectly connecting
It connects on chassis 1, so that restriction and drawing that each inter-agency formation is mutual, can guarantee when supporting element 5 does not rotate
Not rotating between chassis 1, mounting 2 and fold mechanism 3.
In the present embodiment, front component 31 and wheel assembly 32 are connected to the front end of mounting 2, and front component 31 is connected to bottom
The front end of frame 1, supporting element 5 are set to the rear end of chassis 1 and mounting 2.Front-end and back-end herein are to fold depending on use habit
One end of line direction is that front end or that user are oriented front end when sitting down on fully collapsible invalid's chair before wheelchair.
Front component 31 and 32 one end of wheel assembly are connected to the front end of mounting 2, before the other end one is connected to chassis 1
End, another is connected to the rear end of chassis 1, to form angular support to the front end of mounting 2, the rear end of mounting 2 passes through support
Part 5 supports, to form the support of allround fastness to mounting 2.
Further, front component 31 includes forearm 311 and front vehicle wheel 312, and wheel assembly 32 includes postbrachium 321 and rear car
Wheel 322.One end of forearm 311 is rotatably connected on mounting 2, and the other end is equipped with front vehicle wheel 312, and forearm 311 is close to front truck
The position of wheel 312 is rotatably connected with chassis 1.One end of postbrachium 321 is rotatably connected on mounting 2, after the other end is equipped with
Wheel 322, postbrachium 321 are fixed close to the position of rear wheel 322 and supporting element 5.
In the present embodiment, fold mechanism 3 includes that two front components 31 and two wheel assemblies 32, fold mechanism 3 are being opened up
When opening, that is, fully collapsible invalid's chair is upon deployment, and it can be to be arranged in parallel that mounting 2, which is set on chassis 1, two front components 31
The two sides of chassis 1 and mounting 2 are respectively arranged on, two wheel assemblies 32 are respectively arranged on the two sides of chassis 1 and mounting 2.
Fully collapsible invalid's chair includes two supporting elements 5, and two supporting elements 5 are connected to the two sides of 2 rear end of mounting, chassis 1 rear end
Two sides, and connect with two postbrachiums 321.Connecting rod is connected between two postbrachiums 321, two supporting elements 5 are by being connected to
In connecting rod, thus fixed with postbrachium 321.It, can be in connecting rod and chassis in order to further enhance the support strength of supporting element 5
Crossbeam is set between 1, to share the stress of supporting element 5, provides support for supporting element 5.Can also by connecting rod, crossbeam and
A component is seen as with the connecting shaft of chassis 1, is a support frame 6, and chassis 1 is connected on support frame 6, when 5 turns of supporting element
When dynamic, it is inconjunction with supporting element 5 and is connected together with respect to chassis 1.
It is equipped with pull rod between two rear wheels 322, is arranged between two rear wheels 322, between two rear wheels 322
Spacing formed limitation, further support is formed to postbrachium 321.
Wheel assembly 32 includes locating part 323, and when fold mechanism 3 is unfolded, locating part 323 is abutted with supporting element 5, and is limited
Part 323 and the abutted position of supporting element 5 and wheel assembly 32 and supporting element 5 to be fixedly connected with position different.Further, it limits
Part 323 is arranged on postbrachium 321, and postbrachium 321 is fixed with an angle of supporting element 5 in one position, is set on another position
Finite place piece 323, locating part 323 are connected on another angle of supporting element 5.In the present embodiment, 321 one end of postbrachium and supporting element
5 is fixed, and the other end is supported the support of part 5 by locating part 323, and the supporting point of supporting element 5 is set under locating part 323, thus
So that postbrachium 321 has certain inclination angle, it is in the state to raise up from rear end forward end.
When the position of supporting element 5 is fixed, the position for also allowing for postbrachium 321 is fixed, and the position of wheel assembly 32 is fixed.
When the position of supporting element 5 and postbrachium 321 is fixed, so that the position of mounting 2 is fixed.When the position of postbrachium 321 is fixed, by triangle
Structure it is found that postbrachium 321 and forearm 311 connecting pin to postbrachium 321 and the length of the abutted position of chassis 1 certain, postbrachium 321
Inclination angle it is certain, the connection length between forearm 311 and chassis 1 and mounting 2 is certain, and forearm 311 and the link position of chassis 1 arrive
The abutted position of postbrachium 321 and chassis 1 is to centainly, thus three edge lengths of triangle are certain, and the angle on a side is fixed, remaining
Both sides fix, form a stable triangle, thus the position of postbrachium 321 is fixed so that forearm 311 and chassis 1 are solid
It is fixed.
Fully collapsible invalid's chair further includes electric drive 7, further, electric drive 7 is connected on two rear wheels 322, electricity drives
Moving part 7 can be electrically driven (operated) power part that can have rotation to export such as motor, and in the present embodiment, electric drive 7 is motor.
A motor is respectively equipped on two rear wheels 322, two motors are in constant velocity rotation, the walking of fully collapsible invalid's chair straight line, two electricity
When differential rotates, folding wheel one rotates machine to the side of low-speed motion, when the movement velocity of the motor of side is 0, folds
Wheelchair can be realized pivot stud, and when two motors rotate backward, fully collapsible invalid's chair can fall back walking.Front vehicle wheel 312 be from
Driving wheel, according to rear wheel 322 movement and move.
Chassis 1 is equipped with foot pedal 11, and chassis 1 is arranged in parallel with mounting 2, and front end is bent downward, and is rotationally connected with
Foot pedal 11,11 opposing bottom surface of foot pedal have it is certain upwarp, trample more comfortable, meet the design of ergonomics, foot pedal
Bar on 11 and the bar on chassis 1, which are formed, to be rotatablely connected, and the connection of the two is the connection with position limiting structure, on foot pedal 11
Bar can be rotated in the range of 0-180 ° with the bar on chassis 1, the two be unfolded when be 0 °, when the two is arranged side by side be 180 °, into
And foot pedal 11 can be folded up, further reduce the folded occupied space of fully collapsible invalid's chair.
Above-mentioned, the rotary state of supporting element 5 has locking mechanism 4 to be locked or unlocked, and locking mechanism 4 is set to supporting element 5
It between chassis 1 or is set between supporting element 5 and mounting 2, to limit the rotation of supporting element 5.By one rotation of limitation, even
Lead to the stationary state of another angle and foldable assembly, the rotation of supporting element 5 can either be limited completely, by the expansion of fully collapsible invalid's chair
State is fixed.
In the present embodiment, locking mechanism 4 is set between supporting element 5 and mounting 2, and the reason of this set is, mounting 2
Position the position of locking mechanism 4 can be arranged in relatively high position upper, and then carry out convenient for user to locking mechanism 4
Operation, meets the design of ergonomics.
Also referring to Fig. 3 to Fig. 5, locking mechanism 4 includes clutch component 41 and fastener 42, and fastener 42 is set to support
The junction of part 5 and mounting 2 can limit the rotation of supporting element 5 Yu mounting 2 when clutch component 41 is engaged with fastener 42.
It is appreciated that when locking mechanism 4 is set between supporting element 5 and chassis 1, clutch component 41 and fastener 42 be arranged in correspondence in
Between supporting element 5 and chassis 1.
By driving clutch component 41 and the engagement of fastener 42 or separate, so that supporting element 5 is fixed or releasing, into
And make fully collapsible invalid's chair expansion or foldable.Clutch component 41 can may be electric drive for manual actuation.It is electrically driven (operated) from
Seaming element 41 can be electromagnet, and supporting element 5 and the shaft of mounting 2 are fixed by way of magnetic, can also be electricity
The bolt of magnetic valve type, by rotation axis radially or with rotation eccentric shaft axis set up fastener 42, by from
The engagement of seaming element 41 and fastener 42, to limit the rotation of supporting element 5.
Further, clutch component 41 includes drawing article 411, executive item 412 and dynamic clamping head and quiet clamping head 413, and fastener 42 is
The groove of the connecting shaft eccentric setting of relative support 5 and mounting 2, drawing article 411 can pull executive item 412 and fastener 42
Chimeric or separation, dynamic clamping head and quiet clamping head 413 drive executive item 412 chimeric with fastener 42.
Further, since fully collapsible invalid's chair includes two supporting elements 5, locking mechanism 4 should also be set as two.
In order to guarantee the synchronism of locking that two locking mechanisms 4 rotate supporting element 5, i.e. genlocing or synchronize unlocks, can
To set one for the drawing article 411 of two locking mechanisms 4, executive item 412 is set to the both ends of drawing article 411.Affect pulling
Two executive items 412 can be pulled when part 411 simultaneously, synchronous contracting is dynamic.Drawing article 411 is deformable component, is affecting drawing article
It enables to drawing article 411 to generate certain deformation when 411, so that executive item 412 bounces back, is separated with fastener 42, when
After eliminating to the external force of drawing article 411, dynamic clamping head and quiet clamping head 413 drives executive item 412 to reset again, engages with fastener 42.
Specifically, drawing article 411 can be soft stretch, such as drag-line, dynamic clamping head and quiet clamping head 413 can be spring, executive item
412 is set on the bolts of the end of drag-line to match with the groove of fastener 42.When drawing article 411 pulls executive item 412 to return
When contracting, spring is compressed, and has supervened an elastic-restoring force, elastic-restoring force is for answering executive item 412 again ejection
Position, so that executive item 412 is engaged with fastener 42 again.
As shown in fig. 6, fully collapsible invalid's chair further includes the chair back 8, the chair back 8 is rotatably connected on mounting 2, and the chair back 8 is equipped with
Angle adjusting piece 81, the chair back 8 connects by angle adjusting piece 81 with supporting element 5, angle adjusting piece 81 be spaced equipped with multiple or
Continuously distributed angular adjustment slot, locking mechanism 4 pass through the rotation that is embedded in angular adjustment slot on limited angular supporting element 5.
It follows that angular adjustment slot on angle adjusting piece 81 is as fastener 42, supporting element 5 by with the chair back 8 it
Between it is fixed, thus fixed with mounting 2.Angle adjusting piece 81 connects the chair back 8 and supporting element 5, the executive item 412 of clutch component 41
With the shaft eccentric setting of the bonding station relative support 5 of angular adjustment slot.Therefore, when executive item 412 and fastener 42 connect
When conjunction, the rotation of supporting element 5 can be limited.The executive item 412 of clutch component 41 passes through the different location on angular adjustment slot
It is mobile, so that the chair back 8 has different angles from mounting 2, it is capable of the angle of adjusting back 8, promotes comforts of use.When
When the execution of clutch component 41 and angular adjustment slot are kept completely separate, the limitation to supporting element 5 can be released, so that supporting element
5 can be rotated.
It should be noted that the angular adjustment slot on angle adjusting piece 81 can be continuous or interval slot.Angle tune
Saving slot can be arc groove, and executive item 412 can be realized in any position in arc groove and be fixed, that is, enable to angle
Regulating part 81 forms the rotation of continuous angle, so that the angle of the chair back 8 can be adjusted continuously in a certain range.Angle
Multiple card slots that regulating tank can also be arc-shaped distribution are spent, so that the angle of the chair back 8 can be at certain several specific angle
It is adjusted between degree, this setup makes the support angle of the chair back 8 relatively reliable, prevents clamping from skidding.
In the present embodiment, the angular adjustment slot tool on angle adjusting piece 81 is adjusted there are two detent, the chair back 8 is adjusted at two
Angle is different when in detent.
Further, the chair back 8 is foldable, and the folding of the chair back 8 has individual locking structure, folds when by fully collapsible invalid's chair
When, by manual unlocking locking structure, so that fully collapsible invalid's chair can have smaller volume when folding.
As shown in fig. 7, fully collapsible invalid's chair further includes armrest assembly 9, armrest assembly 9 includes handrail 91 and telescopic rod 92, handrail
91 are rotationally connected on the chair back, and the both ends of telescopic rod 92 are rotatablely connected with handrail 91 and mounting 2 respectively.By the way that telescopic rod is arranged
92, on the one hand stable support, another party can be formed when that is, parallel with mounting 2 to handrail 91 when handrail 91 is put down
Face can enable handrail 91 to lift by elongation, to facilitate user's wheelchair up and down.
Need to illustrate when, the rotating joint of handrail 91 and the chair back 8 should be under the folding point of the chair back 8, to keep away
Exempt from the folding to the chair back 8 and forms interference.
Above-mentioned, the component of fully collapsible invalid's chair can be made of tubing, and tubing can be high intensity aluminium alloy pipe, such as T6, T7
Deng high-intensitive aviation aluminium, with the high characteristic of light intensity.
The folding process of the fully collapsible invalid's chair of the present embodiment can be such that
Drawing article 411 is affected, drawing article 411 drives executive item 412 mobile, so that executive item 412 is separated with fastener 42.
The chair back 8 is pulled back while affecting drawing article 411, the chair back 8 drives supporting element 5 to rotate, and supporting element 5 drives 6 He of support frame
Wheel assembly 32 rotates, and wheel assembly 32 drives mounting 2, front component 31 and chassis 1 to rotate, so that wheel assembly 32 and mounting
2, the angle of chassis 1 gradually becomes smaller, and armrest assembly 9 is gradually folded by the rotary shaft drive of junction, so that folding wheel
Chair gradually folds, this is folded into the up and down folding on opposite ground.By hand foldable foot pedal 11 and the chair back 8, to make to fold
Wheelchair forms fore-aft fold, and folded form is as shown in Figure 8.
The expansion process of the fully collapsible invalid's chair of the present embodiment can be such that
One foot of expansion of foot pedal 11 is slammed into foot pedal 11, both hands catch two handrails 91 to lift upwards respectively, at this time
Opposite with folding process, all parts start turning expansion, Zhi Daoda by the joint that is rotatably connected, with the inverse state of folding
It is engaged again with fastener 42 to executive item 412, reaches the state being fully deployed.
In all examples being illustrated and described herein, any occurrence should be construed as merely illustratively, without
It is as limitation, therefore, other examples of exemplary embodiment can have different values.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed,
But it cannot be understood as the limitations to the scope of the utility model.It should be pointed out that for the ordinary skill of this field
For personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these belong to this
The protection scope of utility model.
Claims (10)
1. fully collapsible invalid's chair, which is characterized in that including chassis, mounting, fold mechanism, locking mechanism and supporting element；
The relatively described chassis of the fold mechanism and the mounting can be rotatably set, and can link the chassis and the mounting
Close to or far from；
The supporting element is set between the chassis, the mounting and the fold mechanism, is used to support the fold mechanism
Unfolded state；
The locking mechanism is for locking the supporting element, when the locking mechanism locks the supporting element, the fold mechanism
Unfolded state is kept, when the locking mechanism releases the locking to the supporting element, the fold mechanism is foldable.
2. fully collapsible invalid's chair according to claim 1, which is characterized in that the supporting element and the chassis, the mounting and
The fold mechanism connects on three not conllinear positions, and the supporting element is formed with the chassis and the mounting respectively
It is rotatably connected, forms a fixed connection with the fold mechanism；
When the supporting element rotates, the fold mechanism that can link is folded.
3. fully collapsible invalid's chair according to claim 2, which is characterized in that the locking mechanism be set to the supporting element with it is described
It between chassis or is set between the supporting element and the mounting, to limit the rotation of the supporting element.
4. fully collapsible invalid's chair according to claim 3, which is characterized in that the locking mechanism includes clutch component and engagement
Part, the fastener are set to the supporting element and the junction of the chassis or the junction of the supporting element and the mounting,
The rotation of the supporting element and the chassis or the mounting can be limited when the clutch component is engaged with the fastener.
5. fully collapsible invalid's chair according to claim 4, which is characterized in that the clutch component include drawing article, executive item and
Dynamic clamping head and quiet clamping head, the fastener are the connecting shaft of the relatively described supporting element and the chassis or the supporting element and the mounting
The groove of eccentric setting, the drawing article can pull the executive item to be fitted into or separate with the fastener, and the elasticity is multiple
Position part drives the executive item chimeric with the fastener.
6. fully collapsible invalid's chair according to claim 3, which is characterized in that the fully collapsible invalid's chair further includes the chair back, the chair back
It is rotatably connected on the mounting；
The chair back is equipped with angle adjusting piece, and the chair back is connect by the angle adjusting piece with the supporting element, described
Angle adjusting piece is equipped with multiple intervals or continuously distributed angular adjustment slot, and the locking mechanism is by being embedded at the angle
The supporting element rotation is limited in regulating tank.
7. fully collapsible invalid's chair according to claim 6, which is characterized in that the fully collapsible invalid's chair further includes armrest assembly, described
Armrest assembly includes handrail and telescopic rod, and the handrail is rotationally connected on the chair back, the both ends difference of the telescopic rod
It is rotatably coupled with the handrail and the mounting.
8. fully collapsible invalid's chair according to claim 1, which is characterized in that the fold mechanism includes front component and rear wheels
Part；
The front component is rotatably connected on the chassis and the mounting；
The wheel assembly is rotatably connected on the mounting, and is fixed with the supporting element.
9. fully collapsible invalid's chair according to claim 8, which is characterized in that the front component and the wheel assembly are connected to
The front end of the mounting, the front component are connected to the front end of the chassis, and the supporting element is set to the chassis and described
The rear end of mounting.
10. fully collapsible invalid's chair according to claim 9, which is characterized in that the wheel assembly includes locating part, the folding
When mechanism deploying, the locating part is abutted with the supporting element, and the abutted position and institute of the locating part and the supporting element
That states wheel assembly and the supporting element is fixedly connected with position difference.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822066272.8U CN209236629U (en) | 2018-12-10 | 2018-12-10 | Fully collapsible invalid's chair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822066272.8U CN209236629U (en) | 2018-12-10 | 2018-12-10 | Fully collapsible invalid's chair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209236629U true CN209236629U (en) | 2019-08-13 |
Family
ID=67532230
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822066272.8U Expired - Fee Related CN209236629U (en) | 2018-12-10 | 2018-12-10 | Fully collapsible invalid's chair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209236629U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109481169A (en) * | 2018-12-10 | 2019-03-19 | 湖南永杰诚新能源科技有限公司 | Fully collapsible invalid's chair |
-
2018
- 2018-12-10 CN CN201822066272.8U patent/CN209236629U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109481169A (en) * | 2018-12-10 | 2019-03-19 | 湖南永杰诚新能源科技有限公司 | Fully collapsible invalid's chair |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190813 |