TWI783431B - A wheelchair capable of moving a position of a user freely - Google Patents

Abstract

A wheelchair capable of moving a position of a user freely includes a main frame, a front supporting frame, a horizontal movement device, a seat device, and a rising and lowering device. The seat device is disposed on the horizontal movement device to allow the horizontal movement device to trigger a lateral movement of the seat device. The rising and lowering device is adapted to raise and lower the horizontal movement device. To move a user to a target such as a bed, a chair, and a toilet bowl, the state of raising and lowering the horizontal movement device and the seat device is adjusted by the rising and the lowering device, and then a folding track assembly of the horizontal movement device is unfolded to be situated at a place above the target. Accordingly, the user holds the front supporting frame with at least one hand for support, and then the seat device is allowed to slide to a place above the target by the folding track assembly. Therefore the wheelchair is safe and convenient to use.

Description

A wheelchair that can move the occupant at will

The invention relates to a wheelchair, in particular to a wheelchair which can freely move the seat of a passenger.

Generally, people who ride wheelchairs are mostly injured or born with disabilities. In daily life, they need to move their bodies from wheelchairs to beds, chairs, or toilets. Most of them need the assistance of others to complete their goals. I am accompanied 24 hours a day, but when the caregiver is not there and I have to move my body, it will cause a lot of trouble. This is a problem that needs to be solved.

The general prior art techniques are organized as follows:

Known case 1, Taiwan's new patent No. M278388 obtained by Pan Guoshou (2005), the name is wheelchair lifting adjustment device, and its main content is a wheelchair lifting adjustment device. The structure adopts a simple assembly method and is installed on a general traditional wheelchair. And use the function of the hydraulic cylinder and the principle of levers to adjust the lifting height of the wheelchair cushion by turning the handle by hand, which solves the upper limit of the seat height of the traditional wheelchair, so that the patient can sit on the wheelchair at the most suitable height for the patient using the traditional wheelchair. For taking and placing higher items, the chair cushion can be raised by means of the oil pressure cylinder, and the items can be easily picked up, so as to achieve the practical function of improving the wheelchair. Its disadvantage is that it uses a hydraulic cylinder as a power source, which is time-consuming and inconvenient to operate, which also increases the overall cost, and the device cannot move the wheelchair occupant horizontally to the bed or chair, so it really needs to be improved.

Known Case 2, Taiwan Invention Patent No. I252100 obtained by Hong Xunhua, Hong Yitian, Hong Quanyi, and Hong Qiuru (2006) is called a wheelchair lift. Its main content is to provide a wheelchair lift, which is composed of a base, a bracket and a platform , where the base is connected with a bracket, the bracket is composed of two X-shaped brackets, a platform is set up on the bracket, and a lower height bearing groove is set on both sides of the platform, a track is set inside the bearing groove, and a stop is set behind the track In this way, use the bracket to drive the platform down, so that the bearing grooves on both sides are against the ground, so that the wheelchair can be pushed in from the front of the track, and the wheels of the wheelchair will be positioned against the stopper, and then be positioned by the control The bracket pushes the platform up to the height of the carriage, and the wheelchair can be pushed into the carriage, providing a wheelchair lift that can carry the wheelchair up and down and is easy to carry. The disadvantage is that the wheelchair lift needs to be equipped with a lifting device to move the wheelchair up and down. The lifting device is not installed inside the wheelchair. If the wheelchair user does not have the lifting device, the height of the wheelchair cannot be raised and lowered at will, and the device cannot move the wheelchair arbitrarily horizontally The position of the occupant is on the bed or chair, so it also needs to be improved.

Known Case 3, Taiwan Invention Patent No. I720909 obtained by Wang De'an and Liu Jiayu (2021), the name is a lifting displacement wheelchair, and its main content is a lifting displacement wheelchair, which provides a climbing ladder for the handicapped or handicapped to use the lifting displacement wheelchair Function, assisting the handicapped to complete boarding, climbing stairs, etc. without the assistance of others. It includes a cushion device assembly, a driving device assembly, a lifting device assembly and a control device. The aforementioned cushion device assembly provides users with rides; the aforementioned drive device assembly provides plane movement and displacement; and the lifting device assembly is like a stair-climbing robot, which can assist wheelchairs to get on the car and go upstairs, so that the handicapped can Complete related actions such as getting into a car or climbing stairs without the assistance of an assistant. Its disadvantages are complex structure, high cost, and difficult operation. If the front suction cup is on an uneven ground, it will cause the problem of not being able to suck it. The device cannot move the position of the wheelchair occupant horizontally to the bed or chair, which is unsatisfactory and needs to be improved. .

Known case 4, Chen Zhenhua, Chen Shinong, Lin Zheping, Hong Jianxin, Zeng Junming (2007) obtained the Taiwan No. M311414 new patent, the name is the structure of the lifting toilet wheelchair, and its main content is to open a front end of the seat cushion to meet the The movable pad door of the human body, and a switch that can control the movable pad door is set on the side of the seat cushion; a groove is provided on the base of the wheelchair, and the container is placed in the groove so that it will not slide during travel, and an upper cover is attached to the container , the upper cover forms an inclined surface when it is opened, so as to provide urine to fall on the inclined surface and then flow into the container for collection; in addition, a telescopic guide rod is respectively arranged above the wheels, and is respectively embedded in the positioning sleeve connected to the seat cushion , and an internally threaded sleeve is connected to an appropriate position in the center of the back of the seat cushion, and a lead screw is screwed inside the internally threaded sleeve, and the lead screw is driven by a deceleration motor to move forward and backward to control the lifting and lowering of the wheelchair, and cooperate with the The telescopic guide rod is used as a balance guide to provide the wheelchair with a stable and vertical lift, so that the handicapped can achieve the convenience and comfort of use. The disadvantage is that the toilet container is placed under the seat cushion. Although there is a cover on the top to close the toilet container, it will still overflow with odor and cause discomfort to the surrounding people. Moreover, this design cannot move wheelchair occupants horizontally to the bed or chair, so it needs to be improved.

Known Case 5, the Taiwan invention patent No. I722862 obtained by Su Jianzhong and Su Xuanzhang (2021) is called the getting on and off the car shifting mechanism, and its main content is a getting on and off the car shifting mechanism, including: a tripod, a seat cushion , a slide bar, two legs, a chair back, a first bearing plate, a second bearing plate and a bridge. A seat is provided at the upper end of the tripod, and a wheel seat is provided at the lower end. A lifting device is provided between the seat seat and the wheel seat. A sliding hole is provided on one side of the seat cushion, and a pivotable and adjustable lift is provided on the front side of the seat cushion. For the tripod, the slide bar can be slidably arranged in the sliding hole of the seat cushion, and the two legs are detachably assembled at the lower ends of both sides of the tripod. The seat back is set on the rear side of the seat cushion, the first load plate is set on the seat cushion of the wheelchair, the second load plate is set on the seat cushion of a car, and the bridge is used to erect the chair on the tripod between the seat and the second bearing plate. Its disadvantages are complex structure, high cost, and difficult operation, because there is only one wheelchair occupant, and at the same time, the second load plate must be placed on the car seat cushion, and the bridge is installed between the wheelchair seat cushion and the car seat cushion. It is not easy to get on, and the device cannot move the position of the wheelchair occupant to the bed or chair arbitrarily horizontally, so it needs to be improved.

All of the above conventional wheelchairs have improvements, so how to develop a wheelchair that can be easily, conveniently and safely moved to a bed, a chair or a toilet by the occupant is a problem that needs to be solved.

Therefore, the purpose of the present invention is to provide a wheelchair that can move the seat of the passenger at will, which can easily and conveniently transfer the seat to the desired position.

Therefore, the present invention can move the wheelchair of the position of the occupants at will, which includes a vehicle frame, a front support frame arranged on the vehicle frame, a horizontal moving device arranged on the vehicle frame, and a horizontal moving device arranged on the horizontal moving device. The seat cushion device, and a lifting device arranged between the vehicle frame and the horizontal moving device; wherein, the horizontal moving device has a lifting track plate provided with a main track, a chair back set on the lifting track plate, at least A folding track set on one side of the lifting track plate; in addition, the cushion device has a cushion, a plurality of sliders arranged under the cushion and capable of sliding on the horizontal moving device, and a handle on one side of the cushion , a fastener located on the cushion and below the armrest; therefore, the occupant can sit on the cushion and drive the wheelchair to move, and when the occupant wants to transfer from the wheelchair to the target (such as a bed , on a chair, on a toilet, etc.), after adjusting the height of the seat cushion and the target object through the lifting device, after unfolding to the top of the target object through the folding track group, and the occupant can hold the front seat by hand. After the frame is supported, the seat cushion is slid to the target object through the folding track group, so as to achieve the effect of safety and convenience.

The aforementioned and other technical contents, features and effects of the present invention will be clearly understood in the following detailed description of preferred embodiments with reference to the drawings.

Referring to Fig. 1, Fig. 2, a preferred embodiment of the present invention, the wheelchair 3 that can arbitrarily move occupant's position comprises a vehicle frame 31, and one is arranged on the front support frame 32 on this vehicle frame 31, and one is arranged on this vehicle frame 31 on the horizontal moving device 33, a cushion device 34 arranged on the horizontal moving device 33, and a lifting device 35 arranged between the vehicle frame 31 and the horizontal moving device 33; wherein, the vehicle frame 31 has a pivot A front wheel frame 311 is arranged on one end of the vehicle frame 31 , and a rear wheel group 312 is arranged on the other end of the vehicle frame 31 , and a front wheel group 313 is arranged at the bottom of the front wheel frame 311 .

Continuing from the foregoing, the front support frame 32 has a rotating rod 321 pivoted with the front wheel frame 311, and two telescopic rods 322 respectively telescopic on both sides of the rotating rod 321; in addition, the horizontal moving device 33 has a setting There is a lifting track plate 331 of the main track 3311, a chair back 332 arranged on the lifting track plate 331, at least one folding track group 333 located on one side of the lifting track plate 331, wherein the folding track group 333 has a The first track plate 3331 pivoted with the lifting track plate 331, the second track plate 3332 pivoted with the first track plate 3331, and the first track plate 3331 and the second track plate 3332 respectively Track 3333, and a handrail 3334 that is arranged on the chair back 332 and fixes the first track plate 3331 and the second track plate 3332 after folding, and the aforementioned armrest 3334 can be provided with an armrest block 3335, the first The folding of the track plate 3331 and the second track plate 3332 can be fixed by the armrest block 3335. In addition, when the folded track group 333 is unfolded, the main track 3311 and the secondary tracks 3333 are connected to each other. The track plate 331, the first track plate 3331 and the second track plate 3332 can be provided with at least one opening respectively, and the folding track group 333 can be arranged on one side of the lifting track plate 331, or at the same time Both sides of the lifting track plate 331 are provided with the folding track set 333 , and in this embodiment, two sets of the folding track set 333 are provided as an example for illustration.

Continuing from the foregoing, the cushion device 34 has a cushion 341, a plurality of sliders 342 located below the cushion 341 and capable of sliding on the horizontal moving device 33, a handle 343 located on one side of the cushion 341, and a handle 343 located on the side of the cushion 341. A fastener 344 on the seat cushion 341 and located below the handle 343, and an elastic sheet 345 located between the handle 343 and the fastener 344, and the fastener 344 is engaged with one of the openings to fix the seat cushion 341 position, and the slider 342 moves on the main rail 3311 and the secondary rails 3333; in addition, the lifting device 35 has a car shell 351 arranged between the vehicle frame 31 and the lifting rail plate 331, a The lifting rod 352 that pushes the lifting track plate 331 up and down, and a lifting unit 353 that controls the linkage of the lifting rod 352, and the lifting unit 353 is a ready-made commodity, which is a lifting device (such as a motor lift, a screw lift, etc.), its main It drives the lifting rod 352 to move up and down, so the internal mechanism of the lifting unit 353 will not be further described.

Referring to Fig. 3, when the present embodiment is in use, the cushion 341 can provide a passenger (not shown) to ride and carry, and when the passenger wants to move to a target 4 (such as a bed, a chair, a toilet above, and in this embodiment, the bed is taken as an example), it first controls the lifting of the lifting rod 352 through the lifting unit 353, so as to drive the horizontal moving device 33 and the cushion 341 to lift until the height of the cushion 341 is slightly higher than After the target object 4 is high; with reference to Fig. 4, the front support frame 32 can be rotated upward through the rotating rod 321 first, and the telescopic rod 322 on the side close to the target object 4 is pulled away from the rotating rod 321 , so that the telescopic rod 322 extends to the front of the object, which can provide hand grip and support when the person moves.

Continuing with the foregoing, referring to Fig. 4 and Fig. 5 , unfold the folding track group 333 close to the side of the target object 4, first lift up the armrest 3334, so that the armrest block 3335 no longer blocks the folding Track group 333, so that the first track plate 3331 and the second track plate 3332 are spread out and flattened above the target 4, while the main track 3311 and the secondary tracks 3333 will be connected in series, and the first track plate 3332 will be connected in series. The track plate 3331 can be supported by the top edge of the supporting foot 363 , and part of the first track plate 3331 and the second track plate 3332 can also be partially supported by the target object 4 because they are deployed above the target object 4 .

Referring to Fig. 6, the seat cushion 341 can then be displaced from above the lifting track plate 331 to above the target object 4, and then the fastener 344 can be removed from the opening 3336 after being lifted upwards through the handle 343. After the stop, through the sliders 342 on the main track 3311 and the secondary track 3333, slide to the top of the target 4, so that the occupant on the seat cushion 341 can move to the top of the target 4, refer to Figure 7, When the fastener 344 moves to another opening 3336 along with the seat cushion 341, and the handle 343 is pressed down, the fastener 344 will be pushed down by the elastic piece 345 and be buckled into the second track plate 3332 The opening 3336 makes the seat cushion 341 fixed on the second track plate 3332. At this time, the occupant will be able to grasp the telescopic rod 322 with one hand, so that the occupant can move his body with the support of the telescopic rod 322. It can be moved smoothly onto the target object 4 to achieve convenience in use.

Referring to Fig. 8, the second preferred embodiment of the present invention, the wheelchair 3 that can freely move the position of the occupants still includes structures 35 such as a vehicle frame 31, a front support frame 32, a horizontal moving device 33, a cushion device 34 and a lifting device. , and the above-mentioned components, connection relationship and the effect to be achieved are all the same as those of the first embodiment, and will not be described in detail. There is a main body 361, two horizontal plates 362 that can be mutually stretched in opposite directions by the main body 361, a support foot 363 and a track support plate 364 that can be locked on the horizontal plate 362 respectively, and a support foot 363, the The track support plate 364 is locked on the adjustment screw 365 on the horizontal plate 362, and a slot 3631 is provided on the above-mentioned each support foot 363, and a chute 3641 is provided on the each track support plate 364 for the adjustment. The screw 365 passes through the slot 3631 and the chute 3641 so that the support foot 363 and the track support plate 364 are fixed to the cross plate 362; refer to FIG. After being pulled out, the horizontal plate 362 is located on both sides of the vehicle frame 31, and the height of the support leg 363 can be adjusted through the adjustment screw 365 and the slot 3631, so that the support leg 363 is positioned on the wheelchair 3 When driving, it can be at a certain height from the ground, so that the supporting feet 363 will not touch the ground during driving, and when the folding track group 333 is unfolded, the supporting feet 363 can be adjusted through the slots 3631 to support on the ground. On the ground, the wheelchair 3 itself can obtain better support and stability; in addition, the rail support plate 364 can adjust the distance from the folded rail group 333 through the chute 3641, so that the rail support plate 364 can 364 can prop up the foldable track set 333 , so that the foldable track set 333 can also provide better support, so that people can move onto the target 4 more stably.

To sum up the foregoing, the wheelchair of the present invention can freely move the position of the occupant, and it is arranged on the horizontal moving device 33 through the cushion device 34, so that the horizontal moving device 33 can drive the cushion device 34 to displace laterally, and the lifting device 35 Then it can drive the horizontal moving device 33 up and down; during use, it can drive the horizontal moving device 33 and cushion device 34 through the lifting device 35 according to the height of the target object (on the bed, on the chair, on the toilet), and then pass through When the folded track set 333 of the horizontal moving device 33 is unfolded and placed on the target, the hands of the occupant can hold the front support frame 32, and the seat cushion device 34 slides to the target position through the folded track set 333 , and then reach safe and easy-to-use effects, so the purpose of the present invention can indeed be achieved.

But the above is only to illustrate the preferred embodiments of the present invention, and should not limit the scope of the present invention, that is, all the simple equivalent changes and modifications made according to the patent scope of the present invention and the content of the description of the invention , should still fall within the scope covered by the patent of the present invention.

[this invention] 3: wheelchair 31: Frame 311: Front wheel frame 312: rear wheel set 313: Front wheel set 32: Front support frame 321: Swivel Rod 322: telescopic rod 33: horizontal moving device 331: Lifting track plate 3311: main track 332: chair back 333: Collapse track group 3331: First track plate 3332: Second track plate 3333: Suborbital 3334: Armrest 3335: Armrest Block 3336: opening 34: Cushion device 341: Cushion 342: Slider 343: handle 344: Fasteners 345: Shrapnel 35: lifting device 351: car shell 352: Lifting Rod 353: Lifting unit 36: Supporting foot group 361: Ontology 362: horizontal board 363: Supporting feet 364: Track support plate 365: Adjustment screw 3631: slotting 3641: Chute 4: Target

Fig. 1 is a schematic perspective view of the first preferred embodiment of the present invention. Fig. 2 is an exploded schematic view of the first preferred embodiment of the present invention. Fig. 3 to Fig. 7 are schematic diagrams of the action of the first preferred embodiment of the present invention. Fig. 8 is an exploded schematic view of the second preferred embodiment of the present invention. Fig. 9 is a schematic diagram of the action of the second preferred embodiment of the present invention.

3: wheelchair 31: Frame 311: Front wheel frame 312: rear wheel set 313: Front wheel set 32: Front support frame 321: Swivel Rod 322: telescopic rod 33: horizontal moving device 331: Lifting track plate 3311: main track 332: chair back 333: Collapse track group 3331: First track plate 3332: Second track plate 3333: Suborbital 3334: Armrest 3335: Armrest Block 34: Cushion device 341: Cushion 342: Slider 343: handle 344: Fasteners 345: Shrapnel 35: lifting device 351: car shell 352: Lifting Rod 353: Lifting unit

Claims (6)

A wheelchair that can freely move the seat of the occupant comprises: A vehicle frame, which has a front wheel frame pivotally mounted on one end of the vehicle frame, and a rear wheel set arranged at the other end of the vehicle frame, and the bottom end of the front wheel frame is provided with a front wheel set; A front support frame, which has a rotating rod pivoted with the front wheel frame, and two telescopic rods that can be stretched on both sides of the rotating rod; A horizontal moving device, which has a lifting track plate with a main track, a chair back on the lifting track plate, at least one folding track set on one side of the lifting track plate, wherein the folding track set It has a first track plate pivoted with the lifting track plate, a second track plate pivoted with the first track plate, a secondary track separately arranged on the first track plate and the second track plate, and a An armrest that is arranged on the back of the chair and is fixed after folding the first track plate and the second track plate, and when the folded track set is unfolded, the main track and the secondary tracks will be connected; A cushion device, which has a cushion, a plurality of sliders arranged under the cushion and capable of sliding on the horizontal moving device, and the sliders can move on the main rail and the secondary rails; and A lifting device, which is arranged between the vehicle frame and the lifting track plate, is used to adjust the height between the lifting track plate and the vehicle frame. According to claim 1, the wheelchair that can freely move the position of the occupant, wherein, the frame is provided with a set of supporting legs, the set of supporting legs has a body, and two horizontal plates that can be stretched in opposite directions from the body, respectively The supporting foot and the track supporting plate that can be locked on the horizontal plate, and an adjusting screw that can lock the supporting foot and the track supporting plate on the horizontal plate foot, and an opening is provided on each of the aforementioned supporting feet. Groove, this each track support plate offers a chute, for the adjustment screw to pass through this slot, chute and make this supporting foot, this track support plate behind and this horizontal plate fix. According to the wheelchair according to claim 1 or claim 2, the seat of the occupant can be moved freely, wherein the folding track set is provided on both sides of the lifting track plate. According to the wheelchair according to claim 1 or claim 2, the position of the occupant can be moved freely, wherein the lifting device has a car shell arranged on the frame, a lifting rod that pushes the lifting track plate up and down, and a The lifting unit that controls the linkage of the lifting rod. According to the wheelchair according to claim 1 or claim 2, the seat of the occupant can be moved freely, wherein the armrest is provided with an armrest block. According to the wheelchair according to claim 1 or claim 2, which can freely move the position of the occupant, the lifting track plate, the first track plate and the second track plate can be respectively provided with at least one opening. In addition, the seat cushion It further includes a handle on one side of the cushion, a fastener on the cushion and below, and an elastic piece between the armrest and the fastener, and the fastener and the opening It is stuck.

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