Convenient type wheelchair
Technical field
The present invention relates to a kind of wheelchair, particularly relate to a kind of Convenient type wheelchair being convenient to patient's bunk bed.
Background technology
Have multiple wheelchair in prior art, function is all more single, is only limitted to as patient provides function of riding instead of walk, and needs almost have no help to the bunk bed of patient.Application number is the Chinese invention patent of 201110225319.0, provide a kind of wheelchair being convenient to bunk bed, its design seat support is divided into two-part half seat board in left and right, when patient is seated at wheelchair, two-part half seat board in this left and right is spliced into monoblock seat board, provides support to the thigh of patient; And when needs of patients from the wheelchair go to bed or from the bed lower to wheelchair time, two-part half seat board in this left and right is instigated to turn over the mode at 90 ° of angles separately under the effect of connecting rod at stick, thus goes to bed for patient or leave the bed and provide convenient.The concrete technical scheme of this invention is as follows: wheelchair, and it comprises: car body; Be divided into the vehicle seat of right seat portion and left seat portion, the rear wall of described car body and be positioned at described car body vehicle seat below diapire be open; For moving the device of described right seat portion or left seat portion; The space for receiving individuals with disabilities's bed formed below the vehicle seat of described car body; With the holding plate being located in described car body the device being kept for mobile described seat portion, the described device for mobile described seat portion has the connecting rod described seat portion being connected to described car body, with the stick for handling described connecting rod, so that described seat portion moves between the open and the closed positions.The present inventor thinks, the design of this technical scheme is comparatively simple, and its object reality only reaches the elementary level being convenient to patient's bunk bed, because it is only for patient's bunk bed provides space, and the not substantial help of other any aspects.And this area is needed one badly and can be provided a kind of bunk bed wheelchair more easily for patient.
Summary of the invention
The present invention will solve the problems of the technologies described above, thus provides a kind of Convenient type wheelchair.Convenient type wheelchair of the present invention has the function being convenient to patient's bunk bed.
For solving the problem, the invention provides following technical scheme:
Convenient type wheelchair, comprises chair frame, underframe and chair seat board, and described chair seat board is fixed on described underframe by lifting assembly, and described chair seat board can rotate freely relative to described underframe, and described lifting assembly can be free to slide at fore-and-aft direction relative to described underframe.
Fore-and-aft direction of the present invention refers to the identical direction of wheelchair forward-reverse.
The present inventor is after have studied existing wheelchair, propose a kind of Advanced Idea of the patient's of solution bunk bed difficulty: for patient provides a support platform, for the thigh of support patient, make this support platform have the movable function of relative wheelchair main body, and this support platform is rotated freely with 360 °; The wheelchair possessing above-mentioned functions just can realize following operation: patient is moved to support platform from the bed, using patient thigh as stress point, make patient's 90 ° of surfacess of revolution to the chair back, make patient be adjusted to sitting posture and be seated at described support platform, then rotation support platform makes patient's chair back dorsad, then support platform is moved and make it return, become the state similar to conventional wheelchair.Consider that the height of the height of wheelchair and bed is usually inconsistent, therefore support platform is arranged to be elevated.Support platform is a learning concept, specific in the present invention, for being connected with the lifting assembly of chair seat board.
Though the enforcement of technique scheme of the present invention can not be completely self-service, other people help patient not need the muscle power that costs a lot of money, and in general, child of 8 years old just can help the adult that the lower limb of 120 jin of weighing can not be autonomous to sit on wheelchair from the bed.Can certainly from the wheelchair move on bed, as long as contragradience operates suddenly.
Preferred as technique scheme, also comprises the lifting handrail being arranged at described chair frame.
Preferred as technique scheme, also comprises the manipulation handrail being arranged at described chair seat board both sides, and described manipulation handrail is connected with described chair seat board by three bar linkage structures; Described three bar linkage structures are made up of stick, brace and turning frame, described stick one end and described chair seat board side are to hinged, described brace one end has slippery fellow, described slippery fellow is slidably fixed in the side chute of described turning frame, described turning frame its link and described chair seat board hinged, described brace is also hinged with described stick, thus make described three connecting rods have following function: promote stick and rotate, thus regulate described turning frame to overturn, make described turning frame be suitable for lying low use and be suitable for sit up straight use state between complete switching.
The enforcement of technique scheme of the present invention, patient is had can the ability of self-service bunk bed.Patient of the present invention if no special instructions, all refers to that the limited or lower limb of lower limb exercise are without mobility, but the people of upper limb health.
Preferred as technique scheme, described lifting assembly comprises slide block, chassis, expansion link, pallet and holder rail, and described chair seat board is by being arranged on chute bottom it and described holder rail slides fixing.
Preferred as technique scheme, described chute has the limited mouth that is suitable for the oblique setting that described slippery fellow slips into.
Preferred as technique scheme, described lifting handrail realizes lifting by rack-and-pinion combination; Described rack-and-pinion combination comprises the lifter rack of the vertical setting be fixedly connected with described lifting handrail, the lifter wheel be connected with described lifter rack and lifting motor, described lifting motor has output shafts, and described output shafts is provided with described lifter wheel.
Preferred as technique scheme, described manipulation handrail is connected with described stick with a limit bolt by a turning cylinder.
The present invention has following technique effect:
1. the present invention provides a support platform for patient, for the thigh of support patient, this support platform is made to have the movable function of relative wheelchair main body, and this support platform is rotated freely with 360 °, therefore enforcement of the present invention can help patient when a small amount of help with regard to energy bunk bed, or even self-service ground bunk bed;
2. lifting handrail of the present invention can regulate according to the height of chair seat board, borrows power when making the height being elevated handrail be suitable for the activity of patient's bunk bed;
3. actuating element of the present invention comprises manipulation handrail, stick, three connecting rods; This three can realize interlock, thus can be suitable for lying low or be suitable for sit with regard to turning frame can be realized to be adjusted to by the upper limb of patient oneself;
4. chair seat board of the present invention can be connected to lifting assembly by holder rail and chute, and therefore wheelchair of the present invention in use, chair seat board can be stretched out, and such as stretches into the superjacent air space of bed so that patient oneself climbs on chair seat board from the bed;
5. manipulation handrail of the present invention is except being connected to except stick by turning cylinder, also be provided with fiber latch, this give and handle the turning lockable function of handrail, because when stick Forced rotation 90 °, handle handrail also and then upset, if it is immovable to handle handrail, then obstruction patient climbs on chair seat board by manipulation handrail after upset from the bed, is therefore designed to turnover manipulation handrail herein;
6. three bar linkage structures of the present invention, turning frame controllably can be overturn and make turning frame be suitable for lying low or sitting, in fact also can controllably rock, if after lifting assembly is heightened, patient is seated at chair seat board, both feet are trampled in turning frame, now can self-service ground exercise by handling handrail.
Accompanying drawing explanation
Fig. 1 is perspective view of the present invention;
Fig. 2 is the structural representation of lifting assembly of the present invention and chair seat board;
Fig. 3 is three bar linkage structures of the present invention;
The enlarged drawing in Tu4Shi Tu2Zhong A district.
In figure, 1-chair frame, 2-underframe, 3-chair seat board, 31-chute, 4-is elevated handrail, 41-lifter rack, 42-lifter wheel, 43-lifting motor, 5-handles handrail, 51-limit bolt, 6-stick, 7-brace, 71-is foxy, 8-turning frame, 81-chute, 810-limited mouth, 9-lifting assembly, 91-slide block, 92-chassis, 93-expansion link, 94-pallet, 95-holds in the palm rail.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is further detailed.
This detailed description of the invention is only explanation of the invention, is not limitation of the present invention.Any amendment that those skilled in the art are done after having read description of the present invention, as long as in the protection domain of claims, all will be subject to the protection of Patent Law.
As Figure 1-4, a kind of Convenient type wheelchair, comprises chair frame 1, underframe 2, chair seat board 3, lifting assembly 9, and lifting assembly 9 is provided with three bar linkage structures, and described three bar linkage structures comprise handles handrail 5, stick 6, brace 7 and turning frame 8.Stick 6 one end and described chair seat board 3 side are to hinged, described brace 7 one end has foxy 71, described foxy 71 are slidably fixed in the side chute 81 of described turning frame 8, described turning frame 8 its link and described chair seat board 3 hinged, described brace 7 is also hinged with described stick 6, thus make described three connecting rods have following function: promote stick 6 and rotate, thus regulate described turning frame 8 to overturn, make described turning frame 8 be suitable for lying low use and be suitable for sit up straight use state between complete switching.Described chute 81 has the limited mouth 810 that is suitable for the oblique setting that described foxy 71 slip into, by this limited mouth 810 and described foxy 71 coordinate and three bar linkage structures can be locked in one direction.
Chair seat board 3 is fixed on described underframe 2 by lifting assembly 9, and therefore described chair seat board 3 can rotate freely relative to described underframe 2, describedly can be free to slide at fore-and-aft direction relative to described underframe 2.
When three connecting rods are movable, such as promote to handle handrail 5 under the transmission of power, turning frame 8 is dug, when a suitable position, foxy 71 slip into limited mouth 810, and now three bar linkage structures lock in one direction, and now the state of three connecting rods is suitable for patient's recumbency.Patient is to climb to wheelchair from the bed, as long as push wheelchair to bedside, the lifting assembly 9 of wheelchair is pulled out, regulate the height of lifting assembly 9, make the height of chair seat board 3 a little more than bed board, then chair seat board 3 is passed through the slip effect of chute 31 and holder rail 95, chair seat board 3 is invaded the upper space of bed, after again regulating the height of lifting assembly 9, make chair seat board 3 smooth in bed surface, at this moment patient gently moves body, thigh is moved on chair seat board 3, then, centered by thigh, adjustment figure, makes oneself to face the chair back and is seated at described chair seat board 3; And then adjust the height of lifting assembly 9, the upper space of wheelchair from bed is deviate from; And then the turning effort of lifting assembly 9, make oneself back of the body towards the chair back, then remove limited mouth 810 and lock with the one direction of slippery fellow 71, then translation lifting assembly 9, just can realize the little strength of cost and oneself is transferred to wheelchair from bed.In said process, the manipulation handrail 5 now erect may be hampered by owing to being moved to chair seat board 3 patient from bed, therefore, manipulation handrail 5 is arranged at stick 6 by a turning cylinder and a fiber latch 51 by the present embodiment, gives described manipulation handrail 5 rotatable lockable function.
Above-mentioned lifting assembly 9 specifically can comprise slide block 91, chassis 92, expansion link 93, pallet 94 and holder rail 95, and described chair seat board 3 slides fixing by the chute 31 be arranged on bottom it with described holder rail 95.
When the present invention specifically implements, lifting assembly 9 is not limited to said structure, and the present embodiment is only an example.As adopt cylinder, oil cylinder, scissor lift assembly, rack-and-pinion or wire rope pulley can, those skilled in the art will envision that, as long as the assembly with elevating function can realize above-mentioned purpose.
For the ease of the activity of patient, the wheelchair in the present embodiment also has lifting handrail 4, and described lifting handrail 4 realizes lifting by rack-and-pinion combination; Described rack-and-pinion combination comprises the lifter rack 41 of the vertical setting be fixedly connected with described lifting handrail 4, the lifter wheel 42 be connected with described lifter rack 41 and lifting motor 43, described lifting motor 43 has output shafts, and described output shafts is provided with described lifter wheel 42.