CN102283750B - Multifunctional leisure wheelchair - Google Patents

Abstract

The invention discloses a multi-functional leisure wheelchair, the wheelchair pedal can be rotated to both sides, and the lifting platform under the wheelchair can vertically move up and down, the wheelchair can be raised to a certain height, and then the wheelchair can be pushed along the lifting platform by a linear push rod motor. Moving back and forth, the linear guide rail of the lifting platform can change the length, so that the wheelchair can move far enough; the backrest of the wheelchair can be lowered to form a leisure bed, and it can also be folded repeatedly to provide exercise for the waist and back, which solves the problem caused by the long-term sitting or lying down of the user. For back and waist pain, promote blood circulation. The multi-functional leisure wheelchair of the present invention has the advantages of beautiful appearance, independent movement, good stability, high safety, time saving and labor saving, and is convenient for all kinds of disabled people to use.

Description

Multifunctional leisure wheelchair

technical field

The invention relates to the technical field of design and manufacture of special vehicles, in particular to a multifunctional leisure wheelchair.

Background technique

Wheelchairs are an indispensable means of transportation for people with reduced mobility. Existing wheelchairs have many forms, and the most common one is ordinary wheelchairs. Other people are needed to assist in the operation. In today's society, the problems of aging and the disabled are prominent. At the same time, young people do not have much time to take care of the elderly and people with disabilities due to high work pressure. This brings a lot of inconvenience to special groups such as the old, weak, sick, and disabled who need wheelchairs, limits their travel, and reduces the quality of life of special groups of people.

Contents of the invention

In order to solve the above problems, the present invention provides a multi-functional leisure wheelchair, in order to increase the functions of the wheelchair, without the auxiliary operation of others, so that people with limited mobility can easily participate in outdoor activities, expand their range of activities, and improve their quality of life.

The technical scheme that the present invention takes is:

A multifunctional leisure wheelchair, comprising a wheelchair frame, a back support, and a pedal support, is characterized in that it also includes a power source, a lifting table, a controller, a lifting linear push rod motor, and a moving linear push rod motor. The lifting platform includes a lifting platform top plate and a lifting platform bottom plate, the lifting platform is arranged under the wheelchair frame, the lifting platform bottom plate is not in contact with the ground, and a linear guide rail is arranged on the upper surface of the lifting platform top plate, and the wheelchair frame can slide on the linear guide rail The lifting linear push rod motor is installed on the upper surface of the bottom plate of the lifting platform, the push rod is set on the lower surface of the top plate of the lifting platform, and the controller is set at a position convenient for the user to operate. The controller controls the lifting linear push rod motor to make the bottom plate of the lifting platform and The top plate of the lift platform moves in the opposite direction. After the bottom plate of the lift platform touches the ground, the top plate of the lift platform drives the wheelchair frame to rise; the moving linear push rod motor is installed on the top surface of the lift platform top plate, and its push rod is set on the bracket of the wheelchair frame. The controller can control the moving linear push rod motor to make the wheelchair frame slide along the linear guide rail on the upper surface of the lifting platform top plate.

Further, a pedal rotating block is arranged at the installation place of the pedal bracket and the wheelchair frame, and the pedal bracket and the pedal installed at the lower end thereof can be turned away from the front of the wheelchair through the pedal rotating block; The lift platform also includes a lift platform extension plate, the lift platform extension plate is perpendicular to the lift platform top plate and the lift platform top plate is hingedly arranged in front of the lift platform, and the upper surface of the lift platform extension plate is provided with a linear guide rail, when the lift platform extension plate rotates When it is on the same plane as the top plate of the lifting platform, the linear guide rail on the upper surface of the top plate of the lifting platform is docked with the linear guide rail on the upper surface of the extension plate of the lifting platform, and the extension plate of the lifting platform is fixed to the top plate of the lifting platform through a locking device.

Further, the locking device includes a slideway on the upper surface of the extension plate of the lifting platform, a fixed holder and a latch on the upper surface of the top plate of the lifting platform; or, the locking device includes a slideway on the upper surface of the lifting platform top plate, an extension The fixed card seat and the latch on the upper surface of the board.

Further, a locking screw is set on the fixing bracket.

Further, the lifting platform also includes a middle plate of the lifting platform, the middle plate of the lifting platform is arranged between the top plate of the lifting platform and the bottom plate of the lifting platform, and a hole is opened in the middle of the middle plate of the lifting platform, which is used for the push rod of the lifting linear push rod motor Pass through, four linear bearing flanges are provided on the four corners of the upper surface of the middle plate of the lifting platform, and four shaft supports are provided on the four corners of the upper surface of the bottom plate of the lifting platform. Four hollow shafts are arranged between the bottom plate of the lifting platform and the middle plate of the lifting platform, and four supporting shafts are arranged on the top plate of the lifting platform, passing through the four linear bearing flanges and then penetrating into the hollow shafts.

Further, a rubber pad is provided on the lower surface of the bottom plate of the lifting platform.

Further, it also includes a backrest linear push rod motor, the backrest linear push rod motor is arranged under the wheelchair frame, and its push rod is arranged on the backrest bracket.

Further, there are two backrest linear push rod motors, which are respectively arranged on the left and right sides of the wheelchair frame.

Further, the sum of the lengths of the backrest support and the wheelchair seat is equivalent to the height of an ordinary person.

The beneficial effects of the multifunctional leisure wheelchair of the present invention are:

It has a reasonable structure and multiple functions. It can climb steps, can be used as a bed and a chair, and can also perform simple waist and back movements. It has high movement autonomy and does not require assistance from others. It has good stability and high safety.

Description of drawings

Accompanying drawing 1 is the three-dimensional structure schematic diagram of multifunctional leisure wheelchair of the present invention;

Accompanying drawing 2 is the schematic diagram of partial three-dimensional structure of the wheelchair in accompanying drawing 1 without lifting platform;

Accompanying drawing 3 is the three-dimensional structure schematic diagram of lifting platform;

Accompanying drawing 4 is the plane structure schematic diagram of lifting platform;

Accompanying drawing 5 is the three-dimensional structure schematic diagram after the elevating platform is lengthened and raised;

Accompanying drawing 6 is the schematic diagram of the three-dimensional structure of the whole wheelchair after the elevating platform is lengthened and raised.

The labels in the accompanying drawings are respectively:

1. Controller bracket; 2. Seat frame; 3. Wheelchair armrest;

4. Wheelchair backrest; 5. Backrest support; 6. Handle;

7. Electric motor; 8. Driving wheel; 9. Power supply;

10. Moving linear actuator motor; 11. Slider connecting block; 12. Universal wheel;

13. Linear slider; 14. Pedal; 15. Pedal bracket;

16. Pedal rotating block; 17. Connecting rod; 18. Bracket;

19. Controller; 20. Controller rocker; 21. Bracket connecting rod;

22. Backrest linear push rod motor; 23. Backrest connecting rod; 24. Linear guide rail;

25. Locking screw; 26. Fixed card seat; 27. Linear guide rail;

28. Pin slideway; 29. Pin; 30. Lifting platform extension plate;

31. Rubber pad; 32. Hollow shaft; 33. Hinge;

34. Lifting linear push rod motor; 35. Lifting platform top plate; 36. Lifting platform bottom plate;

37. Middle plate of lifting platform; 38. Shaft support; 39. Linear bearing flange;

40. Shaft support; 41. Motor support; 42. Lifting platform;

43. Support shaft; 44. Motor fixing card; 45. Motor support;

46. Motor support.

Detailed ways

The specific implementation of the multifunctional leisure wheelchair of the present invention will be described in detail below in conjunction with the accompanying drawings.

In order to make the present invention easy to understand, some directional terms are used in this specification. It should be noted that the directional terms mentioned in this specification include "up", "down", "left", "right", "front", "rear" and so on. Just according to the direction of the attached drawing, taking attached drawing 1 as an example, the forward direction of the wheelchair is "front", the backward direction is "rear", and the up, down, left, and right directions of the user sitting on the wheelchair are "up", "down". ,"about". The directional terms used above are only used to illustrate and understand the present invention, but not to limit the protection scope of the present invention.

Referring to accompanying drawing 1,2, multifunctional recreational wheelchair of the present invention comprises wheelchair frame 2, is arranged on a pair of universal wheels 12 in front of wheelchair frame 2 as front wheel, and universal wheel 12 is convenient for wheelchair to change direction of travel, is arranged on A pair of driving wheels 8 at the rear of the wheelchair frame 2 are used as rear wheels. The power of the driving wheels 8 comes from the thrust of the auxiliary personnel or the driving force of the motor. Two wheelchair armrests 3 are arranged on both sides of the wheelchair frame 2. The rear of 2 is provided with the wheelchair backrest 4 made up of backrest support 5, and two handles 6, and the handles 6 are convenient for auxiliary personnel to promote the wheelchair to advance. A pair of pedals 14 are set in front of the chair wheel frame 2, which is convenient for users to put their feet on. The pedals 14 are installed on the pedal bracket 15, and the pedal bracket 15 is arranged on the wheelchair bracket in front of the wheelchair. The pedal 14 can be rotated on the pedal bracket 15, so that the pedal 14 is folded up, which is convenient for the user to get on and off the wheelchair. Pedal support 15 is connected with wheelchair support by a pedal rotating block 16, by pedal rotating block 16, pedal support 15 can be made to drive pedal 14 to rotate to the left and right sides of wheelchair frame 2. At the rear or both sides of the wheelchair frame 2, a power supply 9 and an electric motor 7 are installed, and there are two electric motors 7, which are respectively connected with two driving wheels 8 to provide energy and drive the wheelchair to advance. A controller bracket 1 is arranged in front of the armrest 3, and a controller 19 and a controller rocker 20 are installed on the controller bracket 1. The controller 19 is used to control the motor 7 to make the wheelchair complete actions such as forward, backward, left turn, right turn, etc. And can control the speed of the wheelchair.

Referring to accompanying drawings 1, 3, 4, a lifting platform 42 is set below the wheelchair frame 2, the initial state of the lifting platform 42 is to be fixed below the wheelchair frame 2 without contacting the ground, and the lifting platform 42 includes a lifting platform top plate 35 , lifting platform middle plate 37 and lifting platform bottom plate 36, four linear bearing flanges 39 are provided on the four corners of the lifting platform middle plate 37 upper surfaces, and four shafts are arranged on the four corners of the lifting platform bottom plate 36 upper surfaces Support 38, four hollow shafts 32 are set between the lift platform base plate 36 and the lift platform middle plate 37 through the four shaft supports 38, four support shafts 43 are set on the lift platform top plate 35, and four support shafts 43 Penetrate in the hollow shaft 32 after passing through four linear bearing flanges 39, like this, when elevating platform 42 lifts, elevating platform top plate 35 will keep level all the time, set four corners on the lower surface of elevating platform base plate 36 A rubber pad 31 is used for contacting with the ground. The lifting linear push rod motor 34 is installed on the upper surface of the lifting platform base plate 36 by the motor support 45, and the push rod of the lifting linear pushing rod motor 34 is arranged on the lower surface of the lifting platform top plate 35 through the motor support 46, and the lifting platform middle plate There is a hole in the middle of 37, which is used for the push rod of the lifting linear push rod motor 34 to pass through, and the motor fixing card 44 is installed on the lower surface of the elevator middle plate 37, so that the lifting linear push rod motor 34 is fixed by the motor support 45 and the motor. Card 44 is firmly fixed. Lifting linear push rod motor 34 is provided with electric energy by power supply 9 . The upper surface of lift table top plate 35 is provided with two parallel linear guide rails 24, and the below of wheelchair frame 2 is provided with slider connecting block 11 and the linear slider 13 that is located on the slider connecting block, by linear slider 13 can Make wheelchair frame 2 slide on linear guide rail 24. Lifting platform 42 also comprises lifting platform extension plate 30, and lifting platform extending plate 30 vertical lifting platform top plate 35 and lifting platform top plate 35 are hingedly arranged in the front of lifting platform 42 by hinge 33, and lifting platform extending plate 30 is provided with linear guide rail 27, When the lift platform extension plate 30 rotates to the same plane as the lift platform top plate 35, the linear guide rail 24 on the lift platform top plate 35 is docked with the linear guide rail 27 on the lift platform extension plate 30, which increases the length of the linear guide rail, and the lift platform extends The upper surface of the plate 37 is provided with a latch slideway 28, and the upper surface of the lift platform top plate 35 is provided with a fixed deck 26, and the lift platform extension plate 36 and the lift platform top plate 35 can be fixed on the same plane by the latch 29. 26 is provided with a locking screw 25 for locking the latch 29 (see accompanying drawing 5). On the upper surface of lift table top plate 35, be provided with motor support 41, be used for installing moving linear push rod motor 10, the push rod of moving linear push rod motor 10 is arranged on the wheelchair support below the seat of wheelchair. Electric power is provided by the power supply 9 to move the linear push rod motor 10 . Both sides below the wheelchair frame 2 are respectively provided with two backrest linear push rod motors 22, and the push rod of the backrest linear push rod motor 22 is arranged on the lower side backrest bracket 5 of the wheelchair backrest 4. Backrest linear push rod motor 22 is provided with electric energy by power supply 9.

Referring to accompanying drawing 6, the working process of the multifunctional leisure wheelchair of the present invention is as follows: when advancing on the ground, the auxiliary personnel hold the handle 6 to push the wheelchair forward, and the user can also make the motor 7 drive the driving wheel 8 by operating the controller 19 to make the wheelchair Travel on the road. When there is a step in front of the wheelchair to block, the pedal 14 and the pedal bracket 15 are manually transferred to the both sides of the wheelchair frame 2 around the pedal rotating block 16, and the lifting platform extension plate 30 is turned over 90 ° and the lifting platform at the same time. The top plate 35 is docked, so that the linear guide rail 24 on the lifting platform top plate 35 is aligned with the linear guide rail 27 on the lifting platform extension plate 30. After alignment, insert the latch 29 into the fixed card seat 26 along the latch slideway 28, and tighten the locking screw 25 , the operation controller 19 controls the wheelchair to stop after approaching the steps, and starts the lifting linear push rod motor 34 of the lifting platform 42 . The lifting linear push rod motor 34 pushes the lifting platform top plate 35, so that the lifting platform bottom plate 36 of the lifting platform 42 descends. When the rubber pad 31 under the lifting platform bottom plate 36 contacts the ground, the lifting platform top plate 35 starts to rise and drives the wheelchair to rise. When the wheelchair rises to the same height as the steps, it is controlled to stop rising, and the lifting linear push rod motor 34 is self-locking. Then the operation controller 19 starts the moving linear push rod motor 10 to push forward the wheelchair frame 2, and the wheelchair frame 2 moves along the linear guide rail 24 by the linear slide block 13; , the push rod of the lifting linear push rod motor 34 retracts, the wheelchair falls back to the ground, the push rod of the lifting linear push rod motor 34 continues to retract, the lifting platform middle plate 37 and the lifting platform bottom plate 36 of the lifting platform 42 are lifted, and then the control moves The push rod action of the linear push rod motor 10 retracts the elevating platform 42 in the wheelchair frame to complete the action of stepping over the steps.

In addition, the linear push rod motor 22 of the backrest pushes the backrest 4 to move, and the wheelchair can be formed into a leisure bed. The linear push rod motor 22 of the backrest pushes the backrest 4 so that the backrest 4 is in a horizontal position, and the sum of the length of the backrest 4 and the length of the wheelchair seat is set to and The height of a person is comparable, and the user can rest or sleep in the wheelchair. When the backrest linear push rod motor 22 is cycled, the user can be allowed to do some simple waist and back exercises to achieve the effect of exercising. In order to reduce the weight of the wheelchair, the brackets used in the wheelchair are made of hollow metal tubes. Materials such as hollow steel tubes or hollow aluminum tubes can be used to reduce the weight of the wheelchair and facilitate transportation without reducing the mechanical strength of the wheelchair. the

The above is only a preferred embodiment of the present invention, it should be pointed out that for those of ordinary skill in the art, without departing from the principle of the present invention, some improvements and modifications can also be made, and these improvements and modifications should also be considered Be the protection scope of the present invention.

Claims (8)

1. A multifunctional leisure wheelchair, comprising a wheelchair frame (2), a back support (5), a pedal support (15), is characterized in that: it also includes a power source, a lifting platform (42), a first control Device (19), second controller (9), lifting linear push rod motor (34), moving linear push rod motor (10), described lifting platform (42) comprises lifting platform top plate (35) and lifting platform bottom plate ( 36), the lifting platform (42) is arranged below the wheelchair frame (2), the lifting platform bottom plate (36) is not in contact with the ground, and the linear guide rail (24) is arranged on the upper surface of the lifting platform top plate (35), and the wheelchair frame (2) It can slide on the linear guide rail (24), and the lifting linear push rod motor (34) is installed on the upper surface of the lifting platform bottom plate (36), and its push rod is arranged on the lower surface of the lifting platform top plate (35). The controller (19) is arranged at a position convenient for the user to operate, and the first controller (19) controls the lifting linear push rod motor (34) to move the lifting platform bottom plate (36) and the lifting platform top plate (35) in opposite directions , after the lifting platform base plate (36) contacts the ground, the lifting platform top plate (35) drives the wheelchair frame (2) to rise; the pedal support (15) and the wheelchair frame (2) are installed with a pedal rotating block (16), the foot pedal support (15) and the foot pedal (14) that its lower end is installed can turn away from the front of described wheelchair by described foot pedal rotating block (16); Described lifting platform (42) also Including the lifting platform extension plate (30), the lifting platform extension plate (30) is perpendicular to the lifting platform top plate (35) and the lifting platform top plate (35) is hingedly arranged in front of the lifting platform (42), the lifting platform extension plate (30) The upper surface is provided with a linear guide rail (27). When the lift platform extension plate (30) is rotated to the same plane as the lift platform top plate (35), the linear guide rail (24) on the upper surface of the lift platform top plate (35) and the lift platform extension plate will (30) The linear guide rail (27) on the upper surface is docked, and the lifting platform extension plate (30) is fixed to the lifting platform top plate (35) through the locking device; the moving linear push rod motor (10) is installed on the lifting platform top plate (35) On the upper surface, its push rod is arranged on the support of the wheelchair frame (2), and the second controller (9) is used to control the moving linear push rod motor (10) to make the wheelchair frame (2) move along the lift platform top plate (35) The linear guide rail (24) on the upper surface slides. 2. The multifunctional leisure wheelchair according to claim 1, characterized in that: the locking device includes a latch slideway (28) on the upper surface of the lifting platform extension plate (30), a fixing on the upper surface of the lifting platform top plate (35) Deck (26) and latch (29); or, described locking device comprises the latch slideway (28) on the upper surface of lifting platform top plate (35), the fixed card seat (26) on the upper surface of lifting platform extension plate (30) And latch (29). 3. The multifunctional leisure wheelchair according to claim 2, characterized in that: a locking screw (25) is provided on the fixing holder (26). 4. The multifunctional leisure wheelchair according to any one of claims 1 to 3, characterized in that: the lifting platform (42) also includes a lifting platform middle plate (37), and the lifting platform middle plate (37) is arranged on Between the lifting platform top plate (35) and the lifting platform bottom plate (36), there is a hole in the middle of the lifting platform middle plate (37), which is used for the push rod of the lifting linear push rod motor (34) to pass through, and the lifting platform middle plate (37) There are four linear bearing flanges (39) on the four corners of the upper surface, and four shaft supports (40) are arranged on the four corners of the upper surface of the lift platform bottom plate (36). Four shaft supports (40) are provided with four hollow shafts (32) between the lifting platform bottom plate (36) and the lifting platform middle plate (37), and four supporting shafts (43) are set on the lifting platform top plate (35), and the After passing through the four linear bearing flanges (39), it penetrates into the hollow shaft (32). 5. The multifunctional leisure wheelchair according to any one of claims 1 to 3, characterized in that a rubber pad (32) is provided on the lower surface of the bottom plate (36) of the lifting platform. 6. The multifunctional leisure wheelchair according to any one of claims 1 to 3, characterized in that: it also includes a backrest linear push rod motor (22), and the backrest linear push rod motor (22) is arranged on the wheelchair Below the frame (2), its push rod is arranged on the described back support (5). 7. The multifunctional leisure wheelchair according to claim 6, characterized in that: there are two backrest linear push rod motors (22), which are respectively arranged on the left and right sides of the wheelchair frame (2). 8. The multifunctional leisure wheelchair according to claim 6, characterized in that: the sum of the lengths of the backrest bracket (5) and the wheelchair seat is equivalent to the height of an ordinary person.

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