Comfortable wheelchair for mobility inconvenience

Abstract

The invention provides a comfortable wheelchair with mobility inconvenience, which relates to the field of medical instruments, and comprises a right seat plate arranged at the top of a group of lower supports on the right side through a lifting transmission assembly; the left leg supporting plate is hinged to the front part of the left seat plate; the number of the hand pushing pieces is two, the rear portion of the left seat plate and the rear portion of the right seat plate are each connected with one hand pushing piece in a sliding mode, the bottom of the left seat plate and the bottom of the right seat plate are each connected with one telescopic locking piece through threads, and the telescopic locking pieces press the hand pushing pieces; the head supporting plate is connected to the front portion of the hand pushing piece on the left side in a sliding mode. And the left-right connecting assembly is arranged between the two hand pushing pieces. According to the medical nursing bed, the labor intensity of nursing personnel is reduced, the medical nursing bed is safer, the body feeling of a patient is better and more comfortable, meanwhile, good real-time monitoring is achieved, and the problems that the labor intensity of the nursing personnel is large, the patient is likely to fall off when the patient is moved, safety is poor, and meanwhile the body feeling of the patient is poor and the comfort degree is poor are solved.

Description

Technical Field

[0001] This invention relates to the field of medical device technology, and in particular to comfortable wheelchairs for people with mobility impairments. Background Technology

[0002] In the course of internal medicine, we often encounter bedridden patients. In order to help patients recover, it is sometimes necessary to push them outdoors for activities. Therefore, a wheelchair is needed to push the patient outdoors.

[0003] However, when moving a patient from the bed to a wheelchair, caregivers need to lift the patient and place them on the wheelchair. This is physically demanding for caregivers, and the patient is prone to falling during the process, which is unsafe. In addition, the patient's physical experience is poor, and the patient's comfort level is low. It is also difficult to observe and provide timely feedback on the patient's condition during outdoor activities, which is not conducive to the patient's treatment. Summary of the Invention

[0004] In view of this, the present invention provides a comfortable wheelchair for the disabled, which can facilitate the transfer of patients from the bed to the wheelchair and from a lying position to a sitting position without the need to manually lift the patient, reducing the workload of caregivers, effectively reducing the risk of patient falls, making it safer, and providing a better and more comfortable experience for the patient. It also has good real-time monitoring capabilities, which is beneficial for the care and treatment of patients.

[0005] The present invention provides the purpose and effect of a comfortable wheelchair for people with mobility impairments, specifically including: a lower support, wherein two lower supports are provided, and the two lower supports are symmetrically distributed on the left and right sides; The lower support swing arm has a pair of lower support swing arms that are hinged to the front and rear of the lower support, and each pair of lower support swing arms is installed in parallel. The lower support leg is hinged to the outer side of each pair of lower support arms, and two universal casters are fixedly connected to the bottom of each lower support leg. The lower support transmission assembly is located on the lower inner side of the lower support. The lifting transmission assembly consists of two sets, which are respectively located on top of the two lower supports. The left seat plate is mounted on top of a set of lower supports on the left side via a lifting transmission assembly; The right seat plate is mounted on top of a set of lower supports on the right side via a lifting transmission assembly. Left leg support plate, the left leg support plate is hinged to the front of the left seat plate; Left back support plate, the left back support plate is hinged to the rear of the left seat plate; Right leg support plate, the right leg support plate is hinged to the front of the right seat plate; Right back support plate, the right back support plate is hinged to the rear of the right seat plate; The retraction and extension transmission mechanism consists of two sets, which are respectively located at the lower part of the left and right seat plates. There are two push parts. One push part is slidably connected to the rear of the left seat plate and the right seat plate. A telescopic locking part is threadedly connected to the bottom of the left seat plate and the right seat plate. The telescopic locking part presses the push part. Head support plate, which is slidably connected to the front of a pusher on the left side; The left and right connecting components are located between the two push-type components.

[0006] Furthermore, a left seat cushion and a middle seat cushion are fixedly connected to the top of the left seat plate, with the middle seat cushion located on the top right side of the left seat plate and the left seat cushion located on the top left side of the left seat plate; a right seat cushion is fixedly connected to the top right side of the right seat plate; a left back side pad and a back support pad are fixedly connected to the top of the left back support plate, with the left back side pad located on the top left side of the left back support plate and the back support pad located on the top right side of the left back support plate; a right back side pad is fixedly connected to the top right side of the right back support plate; and a head pad is fixedly connected to the top of the head support plate. The left seat cushion, middle seat cushion, right seat cushion, left back side pad, back support pad, right back side pad, and head pad are all inflatable cushion structures. In the inflated state, the height of the left seat cushion and the right seat cushion is higher than the height of the middle seat cushion, and the height of the left back side pad and the right back side pad is higher than the height of the back support pad.

[0007] Furthermore, the bottom right side of the left seat plate, left back support plate, and left leg support plate is a sloping structure, and the upper left side of the right seat plate, right back support plate, and right leg support plate is a sloping structure. When the wheelchair is in its minimum width state, the two sloping surfaces fit together tightly.

[0008] Furthermore, the lower support transmission assembly includes: The lower support drive component is fixedly connected inside the lower support. The first bevel gear is coaxially and fixedly connected to the rotating shaft of the lower support drive component; The lower support has an intermediate drive shaft, which is rotatably connected inside the lower support. The second bevel gear is coaxially and fixedly connected to the middle part of the intermediate transmission shaft of the lower support. The second bevel gear meshes with the first bevel gear to form a bevel gear transmission mechanism. The third bevel gear is coaxially and fixedly connected to the front and rear end faces of the intermediate transmission shaft of the lower support. The lower support drive screw is rotatably connected to the inside of the inclined legs on the left and right sides of the lower support. The fourth bevel gear is coaxially and fixedly connected to the top of the lower support drive screw. The third bevel gear and the fourth bevel gear mesh together to form a bevel gear transmission mechanism. The lower support slider is slidably connected to the sides of the inclined legs on the left and right sides of the lower support. The lower support drive screw and the lower support slider are connected by a threaded transmission to form a screw and nut transmission pair. The lower support link is hinged to the side of the lower support slider. The other end of the lower support link is hinged to the middle of the upper set of lower support swing arms. The lower support link, lower support, lower support slider and upper set of lower support swing arms together form a crank slider transmission mechanism. The two sets of lower support swing arms, lower support and lower support legs together form a hinged parallelogram structure.

[0009] Furthermore, the lifting transmission assembly includes: The upper support drive component is fixedly connected inside the lower support. The fifth bevel gear is coaxially and fixedly connected to the end of the rotating shaft of the upper support drive component; The upper support screw is rotatably connected inside the lower support. The sixth bevel gear is coaxially and fixedly connected to the end of the upper support screw. The fifth bevel gear and the sixth bevel gear mesh together to form a bevel gear transmission mechanism. The upper support slider is slidably connected to the upper part of the inner side of the lower support. The upper support screw and the upper support slider are threadedly connected to form a screw and nut transmission mechanism. The upper support links are arranged in pairs, and each pair of upper support links is connected by a cross hinge to form a scissor mechanism. The bottom end of the scissor mechanism is hinged to the upper support slider, and the bottom end of the scissor mechanism is hinged to the top of the lower support. The top end of the scissor mechanism is hinged to the left seat plate / right seat plate, and the top end of the scissor mechanism is slidably connected to the left seat plate / right seat plate.

[0010] Furthermore, the retraction and extension transmission mechanism includes: The flip drive is fixedly connected inside the left / right seat plate; The tilting screw is coaxially and fixedly connected to the end of the rotating shaft of the tilting drive component; The flip slider is slidably connected inside the left / right seat plate. The flip screw and the flip slider are threadedly connected to form a screw-nut transmission mechanism. The flipping linkage has two sets of flipping linkages hinged to the bottom of each set of flipping sliders. The other end of the front set of flipping linkages is hinged to the bottom of the left leg support plate / right leg support plate. The left front set of flipping linkages, the left leg support plate, the left flipping slider, and the left seat plate together form a crank-slider transmission mechanism. The right front set of flipping linkages, the right flipping slider, the right seat plate, and the right leg support plate together form a crank-slider transmission mechanism. The other end of the rear set of flipping linkages is hinged to the bottom of the left back support plate / right back support plate. The left rear set of flipping linkages, the left flipping slider, the left back support plate, and the left seat plate together form a crank-slider transmission mechanism. The right rear set of flipping linkages, the right flipping slider, the right back support plate, and the right seat plate together form a crank-slider transmission mechanism.

[0011] Furthermore, the left and right connecting components include: The connecting rods are arranged in multiple pairs, and each pair of connecting rods is connected by a cross hinge to form a scissor structure. Multiple sets of scissor mechanisms are connected end to end to form a multi-stage scissor mechanism. The multi-stage scissor mechanism is connected to two pushers on each side. The upper part of the connecting rods on both sides is hinged to the pushers, and the lower part of the connecting rods on both sides is hinged to a slider. The slider is slidably connected to the pusher, and a connecting rod locking component is threaded onto the slider. The connecting rod locking component is pressed and connected to the pusher.

[0012] Furthermore, armrests are provided on the top outer sides of both the left and right seat plates, and a wrist detection component is provided on the top of the upper surface of the armrest. The wrist detection component is a wristband-type blood pressure and heart rate detection device, and the wrist detection component is connected to the intelligent diagnosis and treatment system via a mobile network.

[0013] Beneficial effects This invention can effectively transfer patients from their beds to wheelchairs and from a lying position to a sitting position without manually lifting them, reducing the workload of caregivers and effectively lowering the risk of falls, making it safer and more comfortable for patients. It also provides good real-time monitoring, which is beneficial for patient care and treatment.

[0014] Furthermore, by employing a lower support leg, this invention can be folded for use as a wheelchair. When it is necessary to transfer a patient from a hospital bed to the wheelchair, the swinging of the lower support leg can increase the support height and support range, ensuring good support and providing excellent support stability.

[0015] Furthermore, by employing a split back panel, seat panel, and leg panel, this invention can increase the range of support for the patient when unfolded, better protect the patient, and facilitate better transfer of the patient between the bed and wheelchair.

[0016] Furthermore, this invention enables the flipping of the left and right back support plates and left and right leg support plates through a crank-slider structure, realizing the transformation between the patient's lying and sitting positions, and the conversion from a lying position in a hospital bed to a sitting position in a wheelchair.

[0017] Furthermore, by employing an inflatable left seat cushion, a middle seat cushion, a right seat cushion, a left back side cushion, a back support cushion, a right back side cushion, and a head cushion, this invention can facilitate patient transfer and improve patient comfort while sitting.

[0018] Furthermore, this invention can monitor a patient's blood pressure and heart rate in real time through a wrist detection component and synchronize the data to an intelligent diagnosis and treatment system in a timely manner. This allows medical personnel to understand the patient's condition promptly, better protect the patient, and assist in the treatment of the illness. Attached Figure Description

[0019] To more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings of the embodiments will be briefly described below.

[0020] The accompanying drawings described below are only related to some embodiments of the invention and are not intended to limit the invention.

[0021] In the attached diagram: Figure 1 This is a schematic diagram of the overall structure of a comfortable wheelchair for people with mobility impairments according to an embodiment of the present invention.

[0022] Figure 2 This is a schematic diagram of the lower support leg structure of a comfortable wheelchair for people with mobility impairments according to an embodiment of the present invention.

[0023] Figure 3 This is a schematic diagram of the lower support transmission assembly structure of a comfortable wheelchair for people with mobility impairments according to an embodiment of the present invention.

[0024] Figure 4 This is a schematic diagram of the structure of a comfortable wheelchair for people with mobility impairments in the folded state, according to an embodiment of the present invention.

[0025] Figure 5 This is a schematic diagram of the lifting transmission assembly structure for a comfortable wheelchair with mobility impairment according to an embodiment of the present invention.

[0026] Figure 6 This is a schematic diagram of the structure of the left seat plate, right seat plate, left leg support plate, left back support plate, right leg support plate, and right back support plate of a comfortable wheelchair for people with mobility impairments according to an embodiment of the present invention.

[0027] Figure 7 This is a schematic diagram of the bottom structure of the left seat plate, right seat plate, left leg support plate, left back support plate, right leg support plate, and right back support plate of a comfortable wheelchair for people with mobility impairments according to an embodiment of the present invention.

[0028] Figure 8 This is a schematic diagram of the retraction and extension transmission mechanism of a comfortable wheelchair for people with mobility impairments according to an embodiment of the present invention.

[0029] Figure 9 This is a schematic diagram of the pusher structure of a comfortable wheelchair for people with mobility impairments according to an embodiment of the present invention.

[0030] Figure 10 This is a schematic diagram of the connecting rod structure of a comfortable wheelchair for people with mobility impairments according to an embodiment of the present invention.

[0031] Figure 11 This is a schematic diagram of the overall structure of a wheelchair for people with mobility impairments in the wheelchair configuration, according to an embodiment of the present invention.

[0032] List of reference numerals 1. Lower support; 2. Lower support drive component; 201. First bevel gear; 3. Lower support intermediate drive shaft; 301. Second bevel gear; 302. Third bevel gear; 4. Lower support drive screw; 401. Fourth bevel gear; 5. Lower support slider; 6. Lower support connecting rod; 7. Lower support swing arm; 8. Lower support leg; 9. Upper support drive component; 901. Fifth bevel gear; 10. Upper support screw; 1001. Sixth bevel gear; 11. Upper support slider; 12. Upper support connecting rod; 13. Left seat plate; 1301. Left seat cushion; 1302. Middle seat cushion ; 1303, Wrist detection component; 14, Right seat plate; 1401, Right side seat cushion; 15, Left back support plate; 1501, Left back side pad; 1502, Back support pad; 16, Right back support plate; 1601, Right back side pad; 17, Left leg support plate; 18, Right leg support plate; 19, Flip drive component; 1901, Flip screw; 20, Flip slider; 21, Flip linkage; 22, Hand push component; 23, Head support plate; 2301, Head pad; 24, Connecting linkage; 25, Linkage locking component; 26, Telescopic locking component. Detailed Implementation

[0033] Example 1: Please refer to Figures 1 to 4 and Figure 11 As shown: The present invention provides a comfortable wheelchair for people with mobility impairments, including a lower support 1, wherein two lower supports 1 are provided, and the two lower supports 1 are symmetrically distributed on the left and right sides; The lower support arm 7 is hinged to the front and rear of the lower support 1, and each pair of lower support arms 7 is installed in parallel. The lower support leg 8 is hinged to the outer side of each pair of lower support arms 7, and two universal rollers are fixedly connected to the bottom of each lower support leg 8. The lower support transmission assembly is located on the lower inner side of the lower support 1. The lower support transmission assembly includes: Lower support drive component 2 is fixedly connected inside the lower support 1; The first bevel gear 201 is coaxially and fixedly connected to the rotating shaft of the lower support drive component 2; The lower support intermediate drive shaft 3 is rotatably connected inside the lower support 1; The second bevel gear 301 is coaxially fixedly connected to the middle part of the lower support intermediate transmission shaft 3. The second bevel gear 301 meshes with the first bevel gear 201 to form a bevel gear transmission mechanism. The third bevel gear 302 is coaxially and fixedly connected to the front and rear end faces of the lower support intermediate transmission shaft 3. The lower support drive screw 4 is rotatably connected to the inside of the inclined legs on the left and right sides of the lower support 1. The fourth bevel gear 401 is coaxially fixedly connected to the top of the lower support drive screw 4. The third bevel gear 302 and the fourth bevel gear 401 mesh together to form a bevel gear transmission mechanism. The lower support slider 5 is slidably connected to the sides of the inclined legs on the left and right sides of the lower support 1. The lower support drive screw 4 and the lower support slider 5 are connected by a threaded transmission to form a screw and nut transmission pair. The lower support link 6 is hinged to the side of the lower support slider 5. The other end of the lower support link 6 is hinged to the middle of the upper set of lower support swing arms 7. The lower support link 6, the lower support 1, the lower support slider 5, and the upper set of lower support swing arms 7 together form a crank-slider transmission mechanism. The two sets of lower support swing arms 7, the lower support 1, and the lower support legs 8 together form a hinged parallelogram structure. In use, the lower support drive member 2 drives the lower support intermediate transmission shaft 3 to rotate through the bevel gear transmission mechanism composed of the second bevel gear 301 and the first bevel gear 201. The lower support intermediate transmission shaft 3 is driven by the third bevel gear 302 and the fourth bevel gear. The bevel gear transmission mechanism formed by the meshing of 401 drives the lower support drive screws 4 on both sides to rotate simultaneously. The lower support drive screws 4 drive the lower support slider 5 to slide up and down through the screw-nut transmission pair formed by the lower support drive screws 4 and the lower support slider 5. The lower support slider 5 drives the upper set of lower support swing arms 7 to swing through the crank-slider transmission mechanism formed by the lower support connecting rod 6, the lower support 1, the lower support slider 5 and the lower support swing arm 7. The lower support swing arm 7 drives the hinge parallelogram structure formed by the two sets of lower support swing arms 7, the lower support 1 and the lower support leg 8 to deform, thereby driving the lower support leg 8 to swing, realizing the unfolding and folding of the lower support leg 8.

[0034] Example 2: Please refer to Figure 5 As shown: Based on Embodiment 1, the present invention provides a comfortable wheelchair for people with mobility impairments, including a lifting transmission assembly. There are two sets of lifting transmission assemblies, which are respectively located on the top of two lower supports 1. The lifting transmission assembly includes: Upper support drive component 9 is fixedly connected inside the lower support 1; The fifth bevel gear 901 is coaxially and fixedly connected to the end of the rotating shaft of the upper support drive component 9; The upper support screw 10 is rotatably connected inside the lower support 1. The sixth bevel gear 1001 is coaxially fixedly connected to the end of the upper support screw 10. The fifth bevel gear 901 and the sixth bevel gear 1001 mesh together to form a bevel gear transmission mechanism. The upper support slider 11 is slidably connected to the upper part of the inner side of the lower support 1. The upper support screw 10 and the upper support slider 11 are threadedly connected to form a screw and nut transmission mechanism. The upper support link 12 is arranged in pairs, and each pair of upper support link 12 is connected by a cross hinge to form a scissor mechanism. The bottom end of the scissor mechanism is hinged to the upper support slider 11, and the bottom end of the scissor mechanism is hinged to the top of the lower support 1. The top end of the scissor mechanism is hinged to the left seat plate 13 / right seat plate 14, and the top end of the scissor mechanism is slidably connected to the left seat plate 13 / right seat plate 14. In use, the upper support drive member 9 drives the upper support screw 10 to rotate through the bevel gear transmission mechanism composed of the meshing of the fifth bevel gear 901 and the sixth bevel gear 1001. The upper support screw 10 drives the upper support slider 11 to slide back and forth through the screw nut transmission mechanism composed of the upper support screw 10 and the upper support slider 11 threadedly connected. The upper support slider 11 causes the scissor mechanism to deform, thereby causing the left seat plate 13 / right seat plate 14 to rise and fall.

[0035] Example 3: Please refer to Figure 6 As shown: Based on Embodiment 2, the present invention provides a comfortable wheelchair for people with mobility impairments, including a left seat plate 13, which is mounted on top of a set of lower supports 1 on the left side via a lifting transmission assembly; Right seat plate 14, right seat plate 14 is set on top of a set of lower supports 1 on the right side via a lifting transmission assembly; Left leg support plate 17, the left leg support plate 17 is hinged to the front of the left seat plate 13; Left back support plate 15, the left back support plate 15 is hinged to the rear of the left seat plate 13; The right leg support plate 18 is hinged to the front of the right seat plate 14. Right back support plate 16, right back support plate 16 is hinged to the rear of right seat plate 14; The left seat plate 13 is fixedly connected to the top of a left seat cushion 1301 and a middle seat cushion 1302, with the middle seat cushion 1302 located on the top right side of the left seat plate 13 and the left seat cushion 1301 located on the top left side of the left seat plate 13. The right seat plate 14 is fixedly connected to the top right side of a right seat cushion 1401. The left back support plate 15 is fixedly connected to the top of a left back side pad 1501 and a back support pad 1502, with the left back side pad 1501 located on the top left side of the left back support plate 15 and the back support pad 1502 located on the top right side of the left back support plate 15. The right back support plate 16 is fixedly connected to the top right side of a right back side pad 1601. The head support plate 23 is fixedly connected to a... The head cushion 2301, left seat cushion 1301, middle seat cushion 1302, right seat cushion 1401, left back side cushion 1501, back support cushion 1502, right back side cushion 1601, and head cushion 2301 are all inflatable cushion structures. When inflated, the left seat cushion 1301 and right seat cushion 1401 are higher than the middle seat cushion 1302, and the left back side cushion 1501 and right back side cushion 1601 are higher than the back support cushion 1502. In use, by adopting an inflatable cushion structure, it can be retracted when the patient is transferred from the bed to the wheelchair, which facilitates the patient's transfer and reduces the difficulty of the transfer. When used as a wheelchair, it is inflated to provide good support and improve the patient's comfort.

[0036] The bottom right side of the left seat plate 13, left back support plate 15 and left leg support plate 17 is a sloping structure, and the upper left side of the right seat plate 14, right back support plate 16 and right leg support plate 18 is a sloping structure. When the wheelchair is in its minimum width state, the two sloping surfaces fit together tightly. In use, when the patient is transferred from the bed to the wheelchair, the wheelchair can be supported from both sides to prevent the patient from falling. When used as a wheelchair, the two surfaces can be stacked together to support the patient.

[0037] Example 4: Please refer to Figures 7-10 As shown: Based on Embodiment 3, the present invention provides a comfortable wheelchair for people with mobility impairments, including a folding and extending transmission mechanism. Two sets of folding and extending transmission mechanisms are provided, and the two sets of folding and extending transmission mechanisms are respectively located at the lower part of the left seat plate 13 and the right seat plate 14. There are two push parts 22. One push part 22 is slidably connected to the rear of the left seat plate 13 and the right seat plate 14. One telescopic locking part 26 is threadedly connected to the bottom of the left seat plate 13 and the right seat plate 14. The telescopic locking part 26 presses the push part 22. Head support plate 23, which is slidably connected to the front of a left-side pusher 22; The left and right connecting components are located between the two pusher components 22.

[0038] The lifting transmission assembly includes: Upper support drive component 9 is fixedly connected inside the lower support 1; The fifth bevel gear 901 is coaxially and fixedly connected to the end of the rotating shaft of the upper support drive component 9; The upper support screw 10 is rotatably connected inside the lower support 1. The sixth bevel gear 1001 is coaxially fixedly connected to the end of the upper support screw 10. The fifth bevel gear 901 and the sixth bevel gear 1001 mesh together to form a bevel gear transmission mechanism. The upper support slider 11 is slidably connected to the upper part of the inner side of the lower support 1. The upper support screw 10 and the upper support slider 11 are threadedly connected to form a screw and nut transmission mechanism. The upper support link 12 is arranged in pairs, and each pair of upper support link 12 is connected by a cross hinge to form a scissor mechanism. The bottom end of the scissor mechanism is hinged to the upper support slider 11, and the bottom end of the scissor mechanism is hinged to the top of the lower support 1. The top end of the scissor mechanism is hinged to the left seat plate 13 / right seat plate 14, and the top end of the scissor mechanism is slidably connected to the left seat plate 13 / right seat plate 14. In use, the upper support drive member 9 drives the upper support screw 10 to rotate through the bevel gear transmission mechanism composed of the meshing of the fifth bevel gear 901 and the sixth bevel gear 1001. The upper support screw 10 drives the upper support slider 11 to slide back and forth through the screw nut transmission mechanism composed of the upper support screw 10 and the upper support slider 11 threadedly connected. The upper support slider 11 causes the scissor mechanism to deform, thereby causing the left seat plate 13 / right seat plate 14 to rise and fall.

[0039] The retraction and extension transmission mechanism includes: The flip drive 19 is fixedly connected to the inside of the left seat plate 13 / right seat plate 14. The flip screw 1901 is coaxially and fixedly connected to the end of the rotating shaft of the flip drive 19; The flip slider 20 is slidably connected inside the left seat plate 13 / right seat plate 14. The flip screw 1901 and the flip slider 20 are threadedly connected to form a screw and nut transmission mechanism. The bottom of each set of flip sliders 20 is hinged to two sets of flip linkages 21. The other end of the front set of flip linkages 21 is hinged to the bottom of the left leg support plate 17 / right leg support plate 18. The left front set of flip linkages 21, the left leg support plate 17, the left flip slider 20, and the left seat plate 13 together form a crank-slider transmission mechanism. The right front set of flip linkages 21, the right flip slider 20, the right seat plate 14, and the right leg support plate 18 together form a crank-slider transmission mechanism. The other end of the rear set of flip linkages 21 is hinged to the left back support plate 18. The bottom hinges of the support plate 15 and the right back support plate 16 connect the left rear flip link 21, the left flip slider 20, the left back support plate 15, and the left seat plate 13 together to form a crank-slider transmission mechanism. The right rear flip link 21, the right flip slider 20, the right back support plate 16, and the right seat plate 14 together to form a crank-slider transmission mechanism. In use, the left flip drive 19 drives the flip slider 20 to slide back and forth through a screw-nut transmission mechanism consisting of a flip screw 1901 and a screw-connected flip slider 20. The left flip slider 20... The left leg support plate 17 is rotated via a crank-slider transmission mechanism consisting of a rotating linkage 21, a left leg support plate 17, a rotating slider 20, and a left seat plate 13. Simultaneously, the left rotating slider 20, via a crank-slider transmission mechanism consisting of a rotating linkage 21, a rotating slider 20, a left back support plate 15, and a left seat plate 13, causes the left back support plate 15 to swing, achieving synchronous counter-swinging of the left leg support plate 17 and the left back support plate 15. Similarly, the right-side rotating drive 19 is connected to the rotating slider 20 via a rotating screw 1901. The screw and nut transmission mechanism drives the flip slider 20 to slide back and forth. The right flip slider 20 drives the right leg support plate 18 to swing through the crank slider transmission mechanism composed of the flip connecting rod 21, the flip slider 20, the right seat plate 14 and the right leg support plate 18. At the same time, the right flip slider 20 drives the right back support plate 16 to swing through the crank slider transmission mechanism composed of the flip connecting rod 21, the flip slider 20, the right back support plate 16 and the right seat plate 14. This realizes the synchronous reverse swing of the right back support plate 16 and the right leg support plate 18, thereby adjusting the patient's posture.

[0040] The left and right connecting components include: The connecting rods 24 are arranged in multiple pairs. Each pair of connecting rods 24 is connected by a cross hinge to form a scissor mechanism. Multiple scissor mechanisms are connected end to end to form a multi-stage scissor mechanism. The multi-stage scissor mechanism is connected to two push members 22 on both sides. The upper part of the connecting rods 24 on both sides is hinged to the push member 22, and the lower part of the connecting rods 24 on both sides is hinged to a slider. The slider is slidably connected to the push member 22. A connecting rod locking member 25 is threadedly connected to the slider. The connecting rod locking member 25 is pressed and connected to the push member 22. In use, the multi-stage scissor mechanism realizes the extension and retraction between the two push members 22, and the position is locked and positioned by the connecting rod locking member 25.

[0041] The left seat plate 13 and the right seat plate 14 are equipped with armrests on their top outer sides. A wrist detection component 1303 is installed on the top surface of the armrest. The wrist detection component 1303 is a wristband-type blood pressure and heart rate detection device. The wrist detection component 1303 is connected to the intelligent diagnosis and treatment system through a mobile network. When in use, it can detect the patient's blood pressure and heart rate in real time and synchronize it to the intelligent diagnosis and treatment system in a timely manner, so that medical personnel can understand the patient's condition in a timely manner.

[0042] The specific usage and function of this embodiment: In this invention, when it is necessary to move a patient from a hospital bed to a wheelchair, the lower support drive component 2 drives the lower support intermediate drive shaft 3 to rotate through a bevel gear transmission mechanism composed of the second bevel gear 301 and the first bevel gear 201. The lower support intermediate drive shaft 3 drives the lower support drive screws 4 on both sides to rotate simultaneously through a bevel gear transmission mechanism composed of the meshing of the third bevel gear 302 and the fourth bevel gear 401. The lower support drive screws 4 drive the lower support slider 5 to slide up and down through a screw-nut transmission pair composed of the lower support drive screw 4 and the lower support slider 5. The slider 5 drives a set of lower support arms 7 to swing through a crank-slider transmission mechanism consisting of the lower support connecting rod 6, the lower support 1, the lower support slider 5, and the lower support swing arm 7. The lower support swing arm 7 causes the hinge parallelogram structure consisting of the two sets of lower support swing arms 7, the lower support 1, and the lower support legs 8 to deform, causing the lower support legs 8 to swing and realize the unfolding of the four lower support legs 8. The lower support legs 8 support the ground and support the lower support 1, increasing the height of the lower support 1 and increasing the front-to-back distance of the support, thereby improving the stability of the support. The upper support drive component 9 is driven by the fifth bevel gear 90. The bevel gear transmission mechanism, which meshes with the sixth bevel gear 1001, drives the upper support screw 10 to rotate. The upper support screw 10, through a screw-nut transmission mechanism consisting of the upper support screw 10 and the upper support slider 11 connected by threads, drives the upper support slider 11 to slide forward. The upper support slider 11 causes the scissor mechanism to deform, causing the left seat plate 13 and the right seat plate 14 to rise, raising their height to be level with the hospital bed. The left-side tilting drive 19, through a screw-nut transmission mechanism consisting of the tilting screw 1901 and the tilting slider 20 connected by threads, drives the tilting slider 20 to tilt backward. Sliding forward, the left-side flip slider 20 drives the left leg support plate 17 to flip upward through the crank-slider transmission mechanism composed of the flip linkage 21, the left leg support plate 17, the flip slider 20 and the left seat plate 13. At the same time, the left-side flip slider 20 drives the left back support plate 15 to swing backward through the crank-slider transmission mechanism composed of the flip linkage 21, the flip slider 20, the left back support plate 15 and the left seat plate 13. This achieves the synchronous reverse swing of the left leg support plate 17 and the left back support plate 15, and flattens the left leg support plate 17, the left seat plate 13 and the left back support plate 15 to the same horizontal height.Similarly, the right-side flip drive 19 drives the flip slider 20 forward via a screw-nut transmission mechanism consisting of a flip screw 1901 and a flip slider 20 connected by a threaded connection. The right-side flip slider 20 drives the right leg support plate 18 upward via a crank-slider transmission mechanism consisting of a flip connecting rod 21, the flip slider 20, the right seat plate 14, and the right leg support plate 18. At the same time, the right-side flip slider 20 drives the right back support plate 16 via a crank-slider transmission mechanism consisting of a flip connecting rod 21, the flip slider 20, the right back support plate 16, and the right seat plate 14. The patient is then swung backward, bringing the right back support plate 16, right seat plate 14, and right leg support plate 18 to the same horizontal position. Next, the left seat plate 13 and right seat plate 14 are slid to the sides of the bed, placing them on either side. The patient is then turned over, and the left seat plate 13, left back support plate 15, and left leg support plate 17 are inserted under the patient's body. The patient is then slowly positioned above these three supports. The right seat plate 14 is slid to the left, bringing the right back support plate 16, right leg support plate 18, and right seat plate 14 closer to the left back support plate. The wheelchair, consisting of a support plate 15, a left leg support plate 17, a left seat plate 13, a right back support plate 16, a right leg support plate 18, and a right seat plate 14, assists in supporting the patient and preventing them from falling. The upper support drive 9 drives the right seat plate 14 and left seat plate 13 to rise, lifting the patient. Then, the wheelchair is moved down from above the bed, and the left seat plate 13 and right seat plate 14 slide inwards, ensuring a tight fit between them, and locking the connecting rod locking member 25. The tilting drive 19 tilts the left back support plate 15, left leg support plate 17, right back support plate 16, and right leg support plate 18, tilting the patient's position. The patient slowly shifts to a sitting position; the lower support drive 2 retracts the lower support leg 8, while the upper support drive 9 deforms the scissor mechanism, adjusting the wheelchair height; the left seat cushion 1301, middle seat cushion 1302, right seat cushion 1401, left back side cushion 1501, back support cushion 1502, right back side cushion 1601, and headrest 2301 are inflated to provide good support and improve patient comfort. The wrist detection component 1303 can monitor the patient's blood pressure and heart rate in real time and synchronize this data to the intelligent diagnostic system, allowing medical personnel to promptly understand the patient's condition.

Claims

1. A comfortable wheelchair for people with mobility impairments, characterized in that: include: The lower support (1) consists of two pieces, which are symmetrically distributed on the left and right sides. The lower support arm (7) is hinged to the front and rear of the lower support (1) and a pair of lower support arms (7) are installed in parallel between each pair of lower support arms (7). The lower support leg (8) is hinged to the outer side of each pair of lower support arms (7), and two universal rollers are fixedly connected to the bottom of each lower support leg (8). The lower support transmission assembly is disposed on the lower inner side of the lower support (1); The lifting transmission assembly is provided in two sets, and the two sets of lifting transmission assemblies are respectively set on the top of the two lower supports (1); The left seat plate (13) is set on top of a set of lower supports (1) on the left side via a lifting transmission assembly; The right seat plate (14) is set on top of a set of lower supports (1) on the right side via a lifting transmission assembly; A left leg support plate (17) is hinged to the front of the left seat plate (13); Left back support plate (15), which is hinged to the rear of the left seat plate (13); Right leg support plate (18), which is hinged to the front of right seat plate (14); Right back support plate (16), which is hinged to the rear of right seat plate (14); The retraction and extension transmission mechanism is provided in two sets, which are respectively located at the lower part of the left seat plate (13) and the right seat plate (14); Hand push component (22), there are two hand push components (22). One hand push component (22) is slidably connected to the rear of the left seat plate (13) and the right seat plate (14). One telescopic locking component (26) is threadedly connected to the bottom of the left seat plate (13) and the right seat plate (14). The telescopic locking component (26) presses the hand push component (22). A head support plate (23) is slidably connected to the front of a left-side pusher (22); Left and right connecting components are arranged between two pusher components (22).

2. The comfortable wheelchair for mobility impairments as described in claim 1, characterized in that: The top of the left seat plate (13) is fixedly connected to a left seat cushion (1301) and a middle seat cushion (1302), with the middle seat cushion (1302) located on the top right side of the left seat plate (13) and the left seat cushion (1301) located on the top left side of the left seat plate (13); the top right side of the right seat plate (14) is fixedly connected to a right seat cushion (1401); the top of the left back support plate (15) is fixedly connected to a left back side pad (1501) and a back support pad (1502), with the left back side pad (1501) located on the top left side of the left back support plate (15) and the back support pad (1502) located on the top right side of the left back support plate (15); the right back support plate (16) A right back side pad (1601) is fixedly connected to the top right side, and a head pad (2301) is fixedly connected to the top of the head support plate (23). The left seat pad (1301), the middle seat pad (1302), the right seat pad (1401), the left back side pad (1501), the back support pad (1502), the right back side pad (1601), and the head pad (2301) are all inflatable pad structures. When inflated, the height of the left seat pad (1301) and the right seat pad (1401) is higher than the height of the middle seat pad (1302). When inflated, the height of the left back side pad (1501) and the right back side pad (1601) is higher than the height of the back support pad (1502).

3. The comfortable wheelchair for mobility impairments as described in claim 1, characterized in that: The bottom right side of the left seat plate (13), left back support plate (15) and left leg support plate (17) is a sloping structure, and the left side of the upper end of the right seat plate (14), right back support plate (16) and right leg support plate (18) is a sloping structure. When the wheelchair is in its minimum width state, the two sloping surfaces fit together tightly.

4. The comfortable wheelchair for mobility impairments as described in claim 1, characterized in that: The lower support transmission assembly includes: The lower support drive (2) is fixedly connected inside the lower support (1); The first bevel gear (201) is coaxially fixedly connected to the rotating shaft of the lower support drive member (2); The lower support intermediate drive shaft (3) is rotatably connected inside the lower support (1); The second bevel gear (301) is coaxially fixedly connected to the middle part of the lower support intermediate transmission shaft (3). The second bevel gear (301) meshes with the first bevel gear (201) to form a bevel gear transmission mechanism. The third bevel gear (302) is coaxially fixedly connected to the front and rear end faces of the lower support intermediate transmission shaft (3); The lower support drive screw (4) is rotatably connected to the inside of the inclined legs on the left and right sides of the lower support (1); The fourth bevel gear (401) is coaxially fixedly connected to the top of the lower support drive screw (4). The third bevel gear (302) meshes with the fourth bevel gear (401) to form a bevel gear transmission mechanism.

5. The comfortable wheelchair for mobility impairments as described in claim 4, characterized in that: The lower support transmission assembly also includes: The lower support slider (5) is slidably connected to the inclined leg sides on the left and right sides of the lower support (1). The lower support drive screw (4) and the lower support slider (5) are connected by a threaded transmission to form a screw and nut transmission pair. The lower support link (6) is hinged to the side of the lower support slider (5). The other end of the lower support link (6) is hinged to the middle of the upper set of lower support swing arms (7). The lower support link (6), the lower support (1), the lower support slider (5) and the upper set of lower support swing arms (7) together form a crank-slider transmission mechanism. The two sets of lower support swing arms (7), the lower support (1) and the lower support leg (8) together form a hinged parallelogram structure.

6. The comfortable wheelchair for mobility impairments as described in claim 1, characterized in that: The lifting transmission assembly includes: Upper support drive member (9), which is fixedly connected inside the lower support (1); The fifth bevel gear (901) is coaxially fixedly connected to the end of the rotating shaft of the upper support drive member (9); Upper support screw (10), which is rotatably connected inside the lower support (1); The sixth bevel gear (1001) is coaxially fixedly connected to the end of the upper support screw (10). The fifth bevel gear (901) meshes with the sixth bevel gear (1001) to form a bevel gear transmission mechanism.

7. The comfortable wheelchair for mobility impairments as described in claim 6, characterized in that: The lifting transmission assembly also includes: The upper support slider (11) is slidably connected to the upper part of the inner side of the lower support (1). The upper support screw (10) and the upper support slider (11) are connected by a threaded transmission to form a screw and nut transmission mechanism. The upper support link (12) is arranged in pairs. Each pair of upper support links (12) is connected by a cross hinge to form a scissor structure. The bottom end of the scissor mechanism is hinged to the upper support slider (11). The bottom end of the scissor mechanism is hinged to the top of the lower support (1). The top end of the scissor mechanism is hinged to the left seat plate (13) / right seat plate (14). The top end of the scissor mechanism is slidably connected to the left seat plate (13) / right seat plate (14).

8. The comfortable wheelchair for mobility impairments as described in claim 1, characterized in that: The retraction and extension transmission mechanism includes: A flip drive (19) is fixedly connected inside the left seat plate (13) / right seat plate (14); A flip screw (1901) is coaxially fixedly connected to the end of the rotating shaft of the flip drive (19); The flip slider (20) is slidably connected inside the left seat plate (13) / right seat plate (14). The flip screw (1901) and the flip slider (20) are connected by a threaded transmission to form a screw and nut transmission mechanism. The bottom of each set of flip sliders (20) is hinged to two sets of flip links (21). The other end of the front set of flip links (21) is hinged to the bottom of the left leg support plate (17) / right leg support plate (18). The front set of flip links (21) on the left side, the left leg support plate (17), the left flip slider (20) and the left seat plate (13) together constitute the crank-slider transmission mechanism. The front set of flip links (21) on the right side, the right flip slider (20), the right seat plate (14) and the right leg support plate (13) together constitute the crank-slider transmission mechanism. The plates (18) together form a crank-slider transmission mechanism. The other end of the rear flip link (21) is connected to the bottom hinge of the left back support plate (15) / right back support plate (16). The left rear flip link (21), the left flip slider (20), the left back support plate (15) and the left seat plate (13) together form a crank-slider transmission mechanism. The right rear flip link (21), the right flip slider (20), the right back support plate (16) and the right seat plate (14) together form a crank-slider transmission mechanism.

9. The comfortable wheelchair for mobility impairments as described in claim 1, characterized in that: The left and right connecting components include: The connecting rod (24) is provided in multiple pairs. Each pair of connecting rods (24) is connected by a cross hinge to form a scissor structure. Multiple scissor mechanisms are connected end to end to form a multi-stage scissor mechanism. The multi-stage scissor mechanism is connected to two pushers (22) on both sides respectively. The upper part of the connecting rod (24) on both sides is hinged to the pusher (22). The lower part of the connecting rod (24) on both sides is hinged to a slider. The slider is slidably connected to the pusher (22). A connecting rod locking member (25) is threaded on the slider. The connecting rod locking member (25) is pressed and connected to the pusher (22).

10. The comfortable wheelchair for mobility impairments as described in claim 1, characterized in that: The left seat plate (13) and the right seat plate (14) are both provided with armrests on their top outer sides. A wrist detection component (1303) is provided on the top of the upper end of the armrest. The wrist detection component (1303) is a wristband-type blood pressure and heart rate detection device. The wrist detection component (1303) is connected to the intelligent diagnosis and treatment system through a mobile network.

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