Disclosure of Invention
The present invention has been made to solve the above problems occurring in the prior art, and an object of the present invention is to provide a wheelchair for going up stairs.
The embodiment of the invention is realized by the following steps:
the embodiment of the application provides a stair climbing wheelchair, including support frame and seat, the seat is installed on the support frame, is equipped with the positioning subassembly that is used for adjusting seat and support frame relative position on the support frame, installs two sets of running gear that are used for the walking on the support frame, and running gear sets up the running gear on the support frame including the symmetry.
In some embodiments of the present invention, the traveling mechanism includes two sets of wheel set brackets, a plurality of traveling wheels are disposed around the wheel set brackets, a driving gear is rotatably disposed on the wheel set brackets, driven gears engaged with the driving gear are disposed on the plurality of traveling wheels, a transmission rod connected to the driving gear is disposed on the wheel set brackets in a penetrating manner, a first driving motor connected to the transmission rod is disposed on the support frame, and a driving assembly for driving the wheel set brackets to turn is disposed on the support frame.
In some embodiments of the present invention, the driving assembly includes a second driving motor, the second driving motor is mounted on the supporting frame, a sleeve connected to the wheel set bracket is sleeved on the transmission rod, and the sleeve is in transmission connection with an output end of the second driving motor.
In some embodiments of the present invention, the positioning assembly includes a bearing speed reducer and an adjusting motor mounted on the support frame, the output end of the bearing speed reducer is provided with a bearing rod connected with the seat, and the output end of the adjusting motor is in transmission connection with the input end of the bearing speed reducer.
In some embodiments of the present invention, a third driving motor is disposed on the supporting frame, a walking frame is disposed on an output end of the third driving motor, and a universal wheel is mounted on the walking frame.
In some embodiments of the invention, the supporting frame is provided with a receiving piece for receiving the walking frame.
In some embodiments of the present invention, a plurality of sets of storage batteries are disposed in the support frame, and the first driving motor, the second driving motor, the third driving motor and the adjusting motor are all connected to the storage batteries.
In some embodiments of the invention, a restraint assembly is provided on the seat for restraining the person.
In some embodiments of the invention, the system further comprises a control module, and the driving motor, the first driving motor, the second driving motor, the third driving motor and the storage battery are all connected with the control module; the control module is used for controlling the operation of the driving motor, the first driving motor, the second driving motor, the third driving motor and the storage battery.
In some embodiments of the invention, a control panel is provided on the seat that is connected to the control module.
Compared with the prior art, the embodiment of the invention has at least the following advantages or beneficial effects:
the embodiment of the application provides a stair climbing wheelchair, including support frame and seat, the seat is installed on the support frame, install two sets of running gear that are used for the walking on the support frame, running gear sets up the running gear on the support frame including the symmetry, running gear includes two sets of wheelset supports, the interior loop of wheelset support is equipped with a plurality of walking wheels, it is equipped with drive gear to rotate on the wheelset support, all be equipped with the driven gear with drive gear meshing on a plurality of walking wheels, wear to be equipped with the transfer line of being connected with drive gear on the wheelset support, be equipped with the first driving motor who is connected with the transfer line transmission on the support frame, be equipped with the drive assembly of drive wheelset support upset on the support frame. The technical scheme mainly aims to solve the problems that in the prior art, the arranged crawler chair cannot be freely switched when climbing on stairs or walking on flat ground, so that a user cannot ensure that the device is suitable for different working modes when needing to advance from the flat ground or enter a mode of going up and down stairs, and the function of the wheelchair is single; the technical scheme is to solve the technical problems: the moving state of the moving mechanism can be adjusted in time according to the actual condition of a user through the moving component arranged on the supporting frame; when the wheelchair runs and advances on flat ground, the traveling mechanism arranged on the support frame drives the driving gear to rotate in the wheel set bracket through the transmission rod by the first driving motor inside the traveling mechanism, and then forces the driven gear meshed with the driving gear to drive the traveling wheel connected with the driven gear to do circular motion in the wheel set bracket, namely forces and drives the wheelchair to stably run on flat ground; when the equipment is required to be used for supporting a bearer to go upstairs and downstairs, the equipment and a user who sits on the equipment can be driven to move up and down on the stairs only by driving the wheel set bracket in transmission connection with the driving component in the walking mechanism to do circular motion on the supporting frame, so that convenience is provided for users who are inconvenient to move and old and weak; and the seat that sets up can provide comparatively comfortable service environment for the user who uses this device.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the embodiments of the present invention, it should be noted that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or the orientations or positional relationships that the products of the present invention are usually placed in when used, the orientations or positional relationships are only used for convenience of describing the present invention and simplifying the description, but the terms do not indicate or imply that the devices or elements indicated must have specific orientations, be constructed in specific orientations, and operate, and therefore, should not be construed as limiting the present invention.
Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not require that the components be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the embodiments of the present invention, "a plurality" represents at least 2.
In the description of the embodiments of the present invention, it should be further noted that unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Examples
Referring to fig. 1-6, fig. 1 is a schematic front view of the present invention; FIG. 2 is a schematic view of a combination structure of thesupport frame 4 and the walking assembly of the present invention; FIG. 3 is a schematic view of the combination of the traveling mechanism of the present invention; FIG. 4 is a partially assembled view of the traveling mechanism according to the present invention; FIG. 5 is a schematic view showing the internal structure of thewheel set bracket 7 according to the present invention; fig. 6 is a schematic structural view of thewalking frame 14 and theuniversal wheels 15 according to the present invention; FIG. 7 is a schematic diagram of a first embodiment of the present invention; fig. 8 is a schematic diagram of a second embodiment of the present invention.
The embodiment of the application provides a stair climbing wheelchair, includingsupport frame 4 andseat 1,seat 1 is installed onsupport frame 4, install two sets of walking subassemblies that are used for the walking on thesupport frame 4, walking subassembly sets up the running gear onsupport frame 4 including the symmetry, running gear includes two sets of wheelset supports 7, 7 inner rings are equipped with a plurality of walkingwheels 5 in the wheelset support, it is equipped withdrive gear 9 to rotate on thewheelset support 7, all be equipped with the drivengear 8 withdrive gear 9 meshing on a plurality of walkingwheels 5, wear to be equipped with thetransfer line 6 of being connected withdrive gear 9 on thewheelset support 7, be equipped with the drivingmotor 16 of being connected withtransfer line 6 transmission on thesupport frame 4, be equipped with the drive assembly of 7 upsets of driving wheelset support on thesupport frame 4. The technical scheme mainly aims to solve the problems that in the prior art, the arranged crawler chair cannot be freely switched when climbing on stairs or walking on flat ground, so that a user cannot ensure that the device is suitable for different working modes when needing to advance from the flat ground or enter a mode of going up and down stairs, and the function of the wheelchair is single; the technical scheme is to solve the technical problems: the moving state of the moving mechanism can be adjusted in time according to the actual situation of a user through the moving component arranged on the support frame 4; when the wheelchair runs and advances on flat ground, the traveling mechanism arranged on the support frame 4 transfers the driving gear 9 to rotate in the wheel set bracket 7 through the transmission rod 6 by the first driving motor 16 inside the traveling mechanism, and then forces the driven gear 8 meshed with the driving gear 9 to drive the traveling wheels 5 connected with the driving gear to do circular motion in the wheel set bracket 7, namely forces and drives the wheelchair to stably run on the flat ground; when the equipment is required to be used for supporting a bearer to go upstairs and downstairs, the equipment and a user who sits on the equipment can be driven to move up and down on the stairs only by driving the wheel set bracket 7 in transmission connection with the driving component in the walking mechanism to do circular motion on the support frame 4, so that convenience is provided for users who are inconvenient to move and old and weak; and the seat 1 can provide a comfortable use environment for the user using the device.
Furthermore, the number of thewalking wheels 5 arranged on thewheel set bracket 7 is three, and the threewalking wheels 5 are arranged on thewheel set bracket 7 in a shape like a Chinese character 'pin'; in practical use, an operator can force thewheel set bracket 7 to rotate to a specific angle through the driving assembly, so that only onewalking wheel 5 is in contact with the ground when the wheelchair is in walking, the abrasion of thewalking wheel 5 is reduced, and the service life of the device is ensured; when large bearing is needed, an operator can force thewheel set bracket 7 to rotate to a specific angle through the driving assembly, and when the wheelchair is in walking, two walkingwheels 5 are simultaneously contacted with the ground, so that the equipment has large bearing capacity and can support large articles or heavy users.
In some embodiments of the present invention, thesupport frame 4 is provided with a positioning assembly for adjusting the relative position of theseat 1 and thesupport frame 4. The wheelchair can help a human body to form a certain inclination together with the wheelchair and stand on the stairs, and the included angle between the human body and the stairs is adjusted; the serious fear in the mind of a user is easily caused when the device is used by old or inconvenient users; and this device can also solve the human body and be certain inclination along with the walking chair and stand when on stair, avoids human focus backward all the time, leads to pedestrian to take the track chair to slide on stair together, causes the user of service to fall from stair, makes the problem that the user of service caused serious injury.
In some embodiments of the present invention, the driving assembly includes asecond driving motor 10, thesecond driving motor 10 is mounted on the supportingframe 4, asleeve 11 connected with thewheel set bracket 7 is sleeved on thetransmission rod 6, and thesleeve 11 is in transmission connection with an output end of thesecond driving motor 10. Thesecond driving motor 10 drives thewheel set bracket 7 to do circular motion relative to thesupport frame 4 through asleeve 11 sleeved on thetransmission rod 6; the wheelchair can be turned over on the stairs through the plurality of walkingwheels 5 arranged in thewheel set support 7 in a surrounding mode and meshed with the internal gears, so that the twowalking wheels 5 on thewheel set support 7 are lapped on two adjacent steps of the stairs, and a person taking the wheelchair can be lifted up to go up and down the stairs by repeating the actions.
Furthermore, asecond driving motor 10 can be directly connected with thesleeve 11, and thesecond driving motor 10 directly drives thewheel set support 7 to move, so that the equipment has strong stair climbing capability when climbing stairs; also set up the gear onsleeve 11 and then drive thesleeve 11 synchronous revolution that is located 4 homonymies of support frame through chain or belt, when guaranteeing that this equipment possesses stronger building climbing ability when climbing stair, can also play energy saving and equipment cost's problem.
Furthermore, a cross-country tire can be directly arranged on thesecond driving motor 10 to support the equipment, and 4 groups of driving devices can be arranged on the supportingframe 4, so that the climbing capacity of the equipment can be improved.
Furthermore, when the equipment is used for steering, the left wheel and the right wheel are driven reversely or in a single side mode to steer, and the steering stability of the equipment is improved.
In some embodiments of the present invention, the positioning assembly includes a bearing speed reducer and an adjusting motor mounted on thesupport frame 4, a bearing rod connected to theseat 1 is disposed on an output end of the bearing speed reducer, and an output end of the adjusting motor is in transmission connection with an input end of the bearing speed reducer. The position adjusting assembly can adjust the included angle betweenseat 1 and the running gear under the combined action of the bearing speed reducer and the adjusting motor, then the person who takes on the device keeps and is the horizontality between the stair, the center of avoiding the human body is backward all the time, lead to the pedestrian to take the caterpillar chair to slide on the stair together, cause the user to fall from the stair, cause serious injury to the user, can also reduce the fear that the user is going upstairs and downstairs.
Further, the bearing speed reducer who sets up does: and the system K can control the rotating speed and the rotating angle of the motor at will, and control the corresponding control module at any time to ensure that theseat 1 and the travelling mechanism keep relative level.
Further, aslide rail 18 is mounted on thesupport frame 4, theseat 1 is slidably arranged on theslide rail 18, and anelectric push rod 19 is further arranged on thesupport frame 4; when going upstairs and downstairs, theelectric push rod 19 controls the movement of theseat 1, and when going upstairs, theseat 1 is pushed forward by theelectric push rod 19; when thechair 1 goes downstairs, thechair 1 is pulled backwards under the stretching of theelectric push rod 19, and the dynamic balance of thechair 1 is realized. The safety and the stability of the personnel using the device are improved.
In some embodiments of the present invention, the supportingframe 4 is provided with a third driving motor 12, an output end of the third driving motor 12 is provided with awalking frame 14, and thewalking frame 14 is provided with auniversal wheel 15. The third driving motor 12 arranged on the supportingframe 4 can drive the contact angle between thewalking frame 14 and the ground, so that the running speed of the device can be controlled, the friction between the device and the ground can be increased when the wheelchair is used, and the dangerous situation of users caused by the fact that the running speed of the device is too high can be avoided. The third drive motor 12 includes a motor and a speed reducer. The motor is connected with the speed reducer in a transmission way, and thewalking frame 14 is connected with the output end of the speed reducer in a transmission way.
In some embodiments of the invention, the supportingframe 4 is provided with a receivingmember 13 for receiving awalking frame 14. Thestorage piece 13 that sets up can accomodatewalking frame 14 anduniversal wheel 15, avoids this equipment to walk on the stair when, and walkingframe 14 anduniversal wheel 15 obstruct this equipment normally to go upstairs and downstairs.
Further, the structure of thestorage piece 13 is a steel frame structure, and the structure is the prior art, and thecontrol walking frame 14 that can be quick is stored on thesupport frame 4, and the locking avoids thewalking frame 14 from being stored on thesupport frame 4 and then swaying.
In some embodiments of the present invention, a plurality of sets ofstorage batteries 2 are disposed in the supportingframe 4, and thefirst driving motor 16, thesecond driving motor 10, the third driving motor 12 and the adjusting motor are all connected to thestorage batteries 2. Thestorage battery 2 arranged in thesupport frame 4 can provide sufficient energy for the operation of thefirst driving motor 16, thesecond driving motor 10, the third driving motor 12 and the adjusting motor related in the device, and the normal operation and the long operation time of the device are ensured.
Further, thestorage battery 2 is a lithium battery or a lead-acid battery, the lithium battery is small in size, and light in weight is more suitable for the device.
Further, theseat 1 is provided withpedals 3 in pairs. Thefoot rest 3 arranged on theseat 1 can prevent the feet of the user from being suspended, so that the user can feel urgent in weightlessness and influence the mood of the passengers when the user ascends or descends.
In some embodiments of the invention, theseat 1 is provided with a restraint assembly for restraining the body of a person. The restraint assembly can fix the user on theseat 1, protect the user and prevent the user from falling off theseat 1.
In some embodiments of the present invention, the present invention further comprises a control module, and the driving motor, thefirst driving motor 16, thesecond driving motor 10, the third driving motor 12 and thestorage battery 2 are all connected to the control module; the control module is used for controlling the operation of the driving motor, thefirst driving motor 16, thesecond driving motor 10, the third driving motor 12 and thestorage battery 2. The control module can control the normal operation of the device and is used for orderly controlling the normal operation of the device.
Furthermore, thefirst driving motor 16, thesecond driving motor 10 and the third driving motor 12 are all step motors, so that the rotating speed and the rotating angle can be quantitatively controlled to adapt to the working environment related to the equipment.
Further, thefirst driving motor 16 comprises a flat ground walking motor and a speed reducer, the flat ground walking motor and the speed reducer are in transmission connection, and two ends of the speed reducer are provided withtransmission rods 6. Thesecond driving motor 10 comprises a rotating motor, a hollow shaft speed reducing motor and a hollow shaft speed reducer, and thetransmission rod 6 is arranged in a penetrating mode and then is in transmission connection with thedriving gear 9.
In some embodiments of the invention, theseat 1 is provided with acontrol panel 17 connected to the control module. Thecontrol panel 17 is provided to facilitate the operation of the apparatus by the occupants and the auxiliary occupants. And a start-stop button, a speed control button and the like are arranged on thecontrol panel 17.
Furthermore, the third driving motor 12 is a micro electric push rod which can be directly driven by thestorage battery 2.
Further, the control module is siemens 200 or other PLC control modules.
To sum up, the embodiment of the application provides a stair climbing wheelchair, includingsupport frame 4 andseat 1,seat 1 is installed onsupport frame 4, install two sets of walking subassemblies that are used for the walking on thesupport frame 4, walking subassembly sets up the running gear onsupport frame 4 including the symmetry, running gear includes two sets of wheelset supports 7, it is equipped with a plurality of walkingwheels 5 to encircle in thewheelset support 7, it is equipped withdrive gear 9 to rotate on thewheelset support 7, all be equipped with the drivengear 8 withdrive gear 9 meshing on a plurality of walkingwheels 5, wear to be equipped with thetransfer line 6 of being connected withdrive gear 9 on thewheelset support 7, be equipped with the driving assembly who is connected withtransfer line 6 transmission on thesupport frame 4, be equipped with the drive assembly of 7 upsets of driving wheelset support on thesupport frame 4. The technical scheme mainly aims to solve the problems that in the prior art, the arranged crawler chair cannot be freely switched when climbing on stairs or walking on flat ground, so that a user cannot ensure that the device is suitable for different working modes when needing to advance from the flat ground or enter a mode of going up and down stairs, and the function of the wheelchair is single; the technical scheme is to solve the technical problems: the moving state of the moving mechanism can be adjusted in time according to the actual situation of a user through the moving component arranged on the support frame 4; when the wheelchair runs and advances on flat ground, the traveling mechanism arranged on the support frame 4 transfers the driving gear 9 to rotate in the wheel set bracket 7 through the transmission rod 6 by the first driving motor 16 inside the traveling mechanism, and then forces the driven gear 8 meshed with the driving gear 9 to drive the traveling wheels 5 connected with the driving gear to do circular motion in the wheel set bracket 7, namely forces and drives the wheelchair to stably run on the flat ground; when the equipment is required to be used for supporting a bearer to go upstairs and downstairs, the equipment and a user who sits on the equipment can be driven to move up and down on the stairs only by driving the wheel set bracket 7 in transmission connection with the driving component in the walking mechanism to do circular motion on the support frame 4, so that convenience is provided for users who are inconvenient to move and old and weak; and the seat 1 can provide a comfortable use environment for the user using the device.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.