Wheelchair access and vehicle-mounted devices
A wheelchair device with sliding and rotating mechanisms forms inclined ramps for easy loading and unloading, addressing the challenge of transporting heavier wheelchairs onto vehicles, ensuring stability and safety.
Patent Information
- Application Number
- CN201811567915.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2018-12-21
- Publication Date
- 2024-12-27
- Estimated Expiration
- 2038-12-21
AI Technical Summary
It is difficult for individuals to easily load and unload heavier wheelchairs, especially electric wheelchairs, onto commercial vehicles or vans, as existing solutions do not provide efficient mechanisms for wheelchair transportation.
A wheelchair getting on and off vehicle device comprising a left and right half with mirror-symmetrical components, including tracks, bases, guardrails, and stoppers, which form inclined ramps for easy loading and unloading by sliding and rotating mechanisms, accommodating wheelchairs of varying sizes and widths.
Enables easy and secure loading and unloading of wheelchairs onto vehicles using sliding and rotating mechanisms, ensuring stability and safety during transportation.
Smart Images
Figure CN109431697B_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the field of service equipment for the elderly and disabled, and in particular to a wheelchair getting on and off a vehicle and a vehicle-mounted device. Background Art
[0002] At present, various manual wheelchairs and electric wheelchairs have provided convenience for the elderly and disabled people with inconvenient legs and feet to travel short distances. For longer distances, in addition to taking the bus or subway, they can take a commercial vehicle or van, etc., with the person sitting on the seat of the vehicle and the wheelchair placed in the luggage. It is very difficult for a person to put a heavier wheelchair, especially an electric wheelchair, in the luggage.
[0003] Therefore, it is necessary to research and develop a device that is convenient for wheelchairs to get on and off commercial vehicles, vans, etc. and travel with the vehicle. Summary of the invention
[0004] In view of this, the purpose of the present invention is to develop a wheelchair getting on and off the vehicle and vehicle-mounted device, with the help of which a person can easily get a manual wheelchair or an electric wheelchair on and off commercial vehicles, vans and other small and medium-sized vehicles, and can travel with the vehicle.
[0005] In order to achieve the above object, the present invention provides the following scheme:
[0006] It comprises a left half and a right half, and the structures of the components of the left half and the corresponding components of the right half are mirror-symmetrical;
[0007] The right half includes a right first track, a right second track, a right third track, a right fourth track, a right base, a right rear block, a right rear wheel block, a right front wheel block, a right side guardrail, a right rear guardrail, a right first block, a right second block, a right third block, and a right fourth block; wherein the right first track, the right second track, the right third track, and the right fourth track constitute the right half track;
[0008] The left half includes a first left track, a second left track, a third left track, a fourth left track, a left base, a left rear block, a left rear wheel block, a left front wheel block, a left side guardrail, a left rear guardrail, a first left block, a second left block, a third left block, and a fourth left block; wherein the first left track, the second left track, the third left track, and the fourth left track constitute the left half of the track.
[0009] The right base is formed by a right bottom plate, a right outer plate, a right inner plate, a right flat plate, a right top plate and a right vertical plate to form an "L"-shaped outer shape and inner cavity. The right base is placed on the bottom surface of the inner box of the vehicle box and is fixedly connected to the vehicle box.
[0010] The right track is composed of two right bottom plates, a right outer plate, a right inner plate, a right flat plate, a right top plate, and a right vertical plate to form an "L"-shaped outer shape and inner cavity. The "L"-shaped outer shape of the right track is placed in the "L"-shaped inner cavity of the right base and can be slidably connected; a right stop shaft is provided at the lower rear end of the right outer plate and the right inner plate of the right track.
[0011] Furthermore, a right arc plate is provided at the rear end of the right flat plate of the right track, and is symmetrically arranged on the left track in the same manner;
[0012] Furthermore, a right rib plate is provided between the right arc plate and the right stop shaft of the right track, and is symmetrically arranged on the left track in the same manner.
[0013] The right second track is formed by two right second bottom plates, a right second outer plate, a right second inner plate, a right second flat plate, a right second top plate, and a right second vertical plate to form an "L"-shaped outer shape and inner cavity. The "L"-shaped outer shape of the right second track is placed in the "L"-shaped inner cavity of the right first track and can be slidably connected; the distance between the two right second bottom plates is greater than the distance between the two right first bottom plates; a right second baffle is provided at the rear ends of the right second outer plate and the right second inner plate of the right second track;
[0014] The right third track is formed by two right third bottom plates, a right third outer plate, a right third inner plate, a right third flat plate, a right third top plate, and a right third vertical plate to form an "L"-shaped outer shape and inner cavity. The "L"-shaped outer shape of the right third track is placed in the "L"-shaped inner cavity of the right second track and can be slidably connected; the distance between the two right third bottom plates is greater than the distance between the two right second bottom plates; a right third baffle is provided at the rear ends of the right third outer plate and the right third inner plate of the right third track;
[0015] The right four-track is surrounded by two right four-bottom plates, right four-outer plates, right four-inner plates, right four-flat plates, right four-top plates, and right four-vertical plates to form an "L"-shaped outer shape and inner cavity. The "L"-shaped outer shape of the right four-track is placed in the "L"-shaped inner cavity of the right three-track and can be slidably connected; the distance between the two right four-bottom plates is greater than the distance between the two right three-bottom plates; right four baffles are provided at the rear ends of the right four-outer plates and the right four-inner plates of the right four-track; right inclined surfaces are provided on the right four-bottom plates, the right four-outer plates, and the right four-inner plates of the right four-track; and a right handle is provided at the front end of the top surface of the "L"-shaped inner cavity of the right four-track.
[0016] The right first stopper is fixedly connected to the front end surface of the right base, the top surface of the right first stopper is higher than the bottom surface of the inner cavity of the right base, the width of the right first stopper is smaller than the distance between the two right first bottom plates of the right first track, and the position of the right first stopper is between the two right first bottom plates of the right first track;
[0017] The right second stopper is installed on the right first bottom plate of the right first track, close to the front end, and located between the two right second bottom plates of the right second track; the number of the right second stopper is at least one; the top surface of the right second stopper is higher than the top surface of the right first stopper;
[0018] The right third stopper is installed on the right second bottom plate of the right second track, close to the front end, and located between the two right third bottom plates of the right third track; the number of the right third stopper is at least one; the top surface of the right third stopper is higher than the top surface of the right second stopper;
[0019] The right four stoppers are installed on the right three bottom plates of the right three rails, close to the front end, and located between the two right four bottom plates of the right four rails; the number of the right four stoppers is at least one; the top surface of the right four stoppers is higher than the top surface of the right three stoppers.
[0020] The axis of the right stopper shaft of the right first track is lower than the top surface of the right first stopper; the bottom surface of the right second stopper of the right second track is higher than the top surface of the right first stopper and lower than the top surface of the right second stopper; the bottom surface of the right third stopper of the right third track is higher than the top surface of the right second stopper and lower than the top surface of the right third stopper; the bottom surface of the right fourth stopper of the right fourth track is higher than the top surface of the right third stopper and lower than the top surface of the right fourth stopper;
[0021] The right rear stopper is located at the rear of the bottom surface of the inner cavity of the right base and is fixedly connected to the right base.
[0022] The action flow of pulling out the right half of the track is as follows:
[0023] 1. Hold the right handle of the right four-track and pull out the right four-track;
[0024] 2. When the right fourth baffle of the right fourth track hits the right fourth block, the right third track is driven to move outward together;
[0025] 3. When the right third baffle of the right third track hits the right third block, it drives the right second track to move outward together;
[0026] 4. When the right second baffle of the right second track hits the right second baffle, it drives the right first track to move outward together;
[0027] 5. When the right stop shaft of the right first track hits the right first stop block, the right half track is rotated downward so that the right inclined surface of the right fourth track contacts the ground, completing the pulling-out operation of the right half track.
[0028] The action flow of pushing back the right half of the track is as follows:
[0029] 1. Lift the right four tracks so that the right half of the tracks are in a horizontal position and push them inwards;
[0030] 2. When the right fourth baffle of the right fourth track hits the right third baffle of the right third track, the right third track is driven to move inward together;
[0031] 3. When the right third baffle of the right third track hits the right second baffle of the right second track, the right second track is driven to move inward together;
[0032] 4. When the right second baffle plate of the right second track hits the right baffle shaft of the right first track, the right first track is driven to move inward together;
[0033] 5. When the right stop shaft of the right first track hits the right rear stop block, it stops moving, completing the push-back operation of the right half track.
[0034] Furthermore, the right rear wheel stopper is fixedly connected to the rear end of the right flat plate of the right base, and the left rear wheel stopper is fixedly connected to the symmetrical position of the left base in the same way to prevent the wheels of the wheelchair from rolling forward.
[0035] Furthermore, a right axle seat is provided at the front end of the right flat plate of the right base, and a left axle seat is provided at a symmetrical position of the left base, a right rotating shaft is provided on the right front wheel block, and a left rotating shaft is provided on the left front wheel block. The right rotating shaft of the right front wheel block is installed in the hole of the right axle seat of the right base and is rotatably connected, and the left rotating shaft of the left front wheel block is installed in the hole of the left axle seat of the left base and is rotatably connected. When the wheelchair gets on or off the vehicle, the right front wheel block and the left front wheel block rotate inwardly to facilitate the passage of the wheelchair wheels; when the wheelchair is on the vehicle, the right front wheel block and the left front wheel block rotate outwardly to prevent the wheels of the wheelchair from rolling backwards.
[0036] Furthermore, the right side guardrail is fixedly connected to the right outer plate of the right base, and the left side guardrail is fixedly connected to the symmetrical position of the left base to prevent the wheelchair from tipping over to the outside of the right base and to fix the wheelchair.
[0037] Furthermore, the right rear guardrail is fixedly connected to the rear end of the right base, and the left rear guardrail is fixedly connected to the rear end of the left base to prevent the wheelchair from tipping forward and to fix the wheelchair;
[0038] Furthermore, an anti-skid layer is provided on the right first flat plate of the right first track, the right second flat plate of the right second track, the right third flat plate of the right third track, and the right fourth flat plate of the right fourth track; the anti-skid layer is provided on the left first track, the left second track, the left third track, and the left fourth track in the same way to increase the friction coefficient.
[0039] Furthermore, the front-to-rear position of the right rear wheel stopper and the right front wheel stopper can be adjusted, and the front-to-rear position of the left rear wheel stopper and the left front wheel stopper can be adjusted to accommodate wheelchair wheels of different sizes.
[0040] The structures of the components in the left half and the corresponding components in the right half are mirror-symmetrical, and the functions and the action flow of pulling out and pushing back are the same.
[0041] Furthermore, the distance between the left half and the right half can be adjusted to accommodate wheelchairs of different widths.
[0042] Wheelchair boarding process:
[0043] When the wheelchair is on the vehicle, the vehicle door where the device is installed is opened, the left half track and the right half track are pulled out respectively, one end of which is connected to the left base and the right base respectively, and the other end is connected to the ground respectively, so as to form two inclined ramps, and the two wheels of the manual wheelchair are aligned with the two ramps, and the wheelchair is pushed along the tracks to the left base and the right base; or the wheels of the electric wheelchair are aligned with the two ramps, and the electric wheelchair is started or pushed along the tracks to the left base and the right base; the two tracks are pushed back into the inner cavity of the left base and the right base, and the wheelchair is fixed and the vehicle door is closed before driving.
[0044] Wheelchair disembarkation process:
[0045] Getting off a wheelchair is the reverse process of getting on a wheelchair.
[0046] The beneficial effects of the present invention are as follows: a wheelchair getting on and off a vehicle and a vehicle-mounted device comprises a left half and a right half, a left base and a right base are fixed on the bottom surface of a car trunk, a left half track and a right half track are pulled out respectively, one end is connected to the left base and the right base respectively, and the other end contacts the ground respectively, forming two inclined ramps, and the wheelchair can easily get on and off the vehicle along the two ramps; the two tracks are pushed back into the inner cavity of the left base and the right base respectively, and the device together with the wheelchair can travel with the vehicle. BRIEF DESCRIPTION OF THE DRAWINGS
[0047] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for use in the embodiments. Obviously, the drawings described below are only some embodiments of the present invention, and for ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.
[0048] Figure 1 It is a perspective view of the wheelchair getting on and off the vehicle and the vehicle-mounted device of the present invention;
[0049] Figure 2It is a three-dimensional diagram of the wheelchair getting on and off the vehicle and the vehicle-mounted device of the present invention being retracted;
[0050] Figure 3 yes Figure 2 Enlarged view of part A in the middle;
[0051] Figure 4 yes Figure 2 Enlarged view of middle part B;
[0052] Figure 5 It is a three-dimensional diagram of the wheelchair getting on and off the vehicle and the vehicle-mounted device of the present invention viewed from the middle end surface of the vehicle box;
[0053] Figure 6 yes Figure 5 Enlarged view of middle C;
[0054] Figure 7 It is a three-dimensional diagram of the right base of the wheelchair getting on and off and the vehicle-mounted device of the present invention;
[0055] Figure 8 The invention is a wheelchair on and off the vehicle and the vehicle-mounted device right track three-dimensional Figure 1 ;
[0056] Fig. 9 The invention is a wheelchair on and off the vehicle and the vehicle-mounted device right track three-dimensional Figure 2 ;
[0057] Fig.10 The invention is a wheelchair getting on and off the vehicle and the vehicle-mounted device right two track three-dimensional Figure 1 ;
[0058] Fig.11 The invention is a wheelchair getting on and off the vehicle and the vehicle-mounted device right two track three-dimensional Figure 2 ;
[0059] Fig.12 The invention is a wheelchair on and off vehicle and vehicle-mounted device with three right tracks Figure 1 ;
[0060] Fig.13 The invention is a wheelchair getting on and off the vehicle and the vehicle-mounted device with three right tracks Figure 2 ;
[0061] Fig.14 The invention is a wheelchair getting on and off the vehicle and the vehicle-mounted device with right four tracks Figure 1 ;
[0062] Fig.15 The invention is a wheelchair getting on and off the vehicle and the vehicle-mounted device with right four tracks Figure 2 ;
[0063] Fig.16 It is a three-dimensional diagram of the right front wheel stop of the wheelchair getting on and off the vehicle and the vehicle-mounted device of the present invention;
[0064] Fig.17 It is a schematic diagram of the wheelchair getting on and off the vehicle and the right front wheel stop of the vehicle-mounted device of the present invention being opened;
[0065] Fig.18 It is a schematic diagram of the closing of the right front wheel block of the wheelchair getting on and off and the vehicle-mounted device of the present invention.
[0066] The symbols in the figure are:
[0067] Car box 0,
[0068] Left first track L1, left second track L2, left third track L3, left fourth track L4, left base L5, left rear block L6, left rear wheel block L7, left front wheel block L8, left guardrail L9, left rear guardrail L10,
[0069] Left first block L11, left second block L12, left third block L13, left fourth block L14,
[0070] Right track R1, right track R2, right track R3, right track R4, right base R5, right rear block R6, right rear wheel block R7, right front wheel block R8, right guardrail R9, right rear guardrail R10,
[0071] Right first block R11, right second block R12, right third block R13, right fourth block R14,
[0072] Ground 20,
[0073] Right bottom plate R501, right outer plate R502, right inner plate R503, right flat plate R504, right top plate R505, right vertical plate R506, right axle seat R507,
[0074] Right bottom plate R101, right outer plate R102, right inner plate R103, right flat plate R104, right top plate R105, right vertical plate R106, right stop shaft R107, right curved plate R108, right rib plate R109,
[0075] Right second bottom plate R201, right second outer plate R202, right second inner plate R203, right second flat plate R204, right second top plate R205, right second vertical plate R206, right second baffle plate R207,
[0076] Right third bottom plate R301, right third outer plate R302, right third inner plate R303, right third flat plate R304, right third top plate R305, right third vertical plate R306, right third baffle R307,
[0077] Right four bottom plates R401, right four outer plates R402, right four inner plates R403, right four flat plates R404, right four top plates R405, right four vertical plates R406, right four baffles R407, right inclined plane R408, right handle R409,
[0078] Right shaft R801, DETAILED DESCRIPTION
[0079] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.
[0080] The present invention comprises two parts, a left half and a right half, and the structures of the components of the left half and the corresponding components of the right half are mirror-symmetrical;
[0081] See also Figures 1 to 6 The right half includes the first right track R1, the second right track R2, the third right track R3, the fourth right track R4, the right base R5, the right rear block R6, the right rear wheel block R7, the right front wheel block R8, the right side guardrail R9, the right rear guardrail R10, the first right block R11, the second right block R12, the third right block R13, and the fourth right block R14; among them, the first right track R1, the second right track R2, the third right track R3, and the fourth right track R4 constitute the right half track;
[0082] The left half includes the first left track L1, the second left track L2, the third left track L3, the fourth left track L4, the left base L5, the left rear block L6, the left rear wheel block L7, the left front wheel block L8, the left side guardrail L9, the left rear guardrail L10, the first left block L11, the second left block L12, the third left block L13, and the fourth left block L14; among them, the first left track L1, the second left track L2, the third left track L3, and the fourth left track L4 constitute the left half of the track.
[0083] See also Figure 7 The right base R5 is surrounded by a right bottom plate R501, a right outer plate R502, a right inner plate R503, a right flat plate R504, a right top plate R505, and a right vertical plate R506 to form an "L"-shaped appearance and inner cavity. The right base R5 is placed on the bottom surface of the inner box of the car box 0 and is fixedly connected to the car box 0.
[0084] See also Figure 8 and Fig. 9 The right track R1 is surrounded by two right bottom plates R101, a right outer plate R102, a right inner plate R103, a right flat plate R104, a right top plate R105, and a right vertical plate R106 to form an "L"-shaped outer shape and inner cavity. The "L"-shaped outer shape of the right track R1 is placed in the "L"-shaped inner cavity of the right base R5 and can be slidably connected; a right stop shaft R107 is provided at the lower part of the rear end of the right outer plate R102 and the right inner plate R103 of the right track R1.
[0085] Furthermore, a right arc plate R108 is provided at the rear end of the right flat plate R104 of the right track R1, and is symmetrically provided on the left track L1 in the same manner.
[0086] Furthermore, a right rib plate R109 is provided between the right arc plate R108 and the right stop shaft R107 of the right track R1, and is symmetrically provided on the left track L1 in the same manner.
[0087] See also Fig.10 and Fig.11 The right second track R2 is surrounded by two right second bottom plates R201, a right second outer plate R202, a right second inner plate R203, a right second flat plate R204, a right second top plate R205, and a right second vertical plate R206 to form an "L"-shaped outer shape and inner cavity. The "L"-shaped outer shape of the right second track R2 is placed in the "L"-shaped inner cavity of the right first track R1 and can be slidably connected; the distance between the two right second bottom plates R201 is greater than the distance between the two right first bottom plates R101; a right second baffle R207 is provided at the rear ends of the right second outer plate R202 and the right second inner plate R203 of the right second track R2.
[0088] See also Fig.12 and Fig.13 The right third track R3 is surrounded by two right third bottom plates R301, a right third outer plate R302, a right third inner plate R303, a right third flat plate R304, a right third top plate R305, and a right third vertical plate R306 to form an "L"-shaped outer shape and inner cavity. The "L"-shaped outer shape of the right third track R3 is placed in the "L"-shaped inner cavity of the right second track R2 and can be slidably connected; the distance between the two right third bottom plates R301 is greater than the distance between the two right second bottom plates R201; a right third baffle R307 is provided at the rear ends of the right third outer plate R302 and the right third inner plate R303 of the right third track R3.
[0089] See also Fig.14 and Fig.15 The right four-track R4 is surrounded by two right four-bottom plates R401, right four-outer plates R402, right four-inner plates R403, right four-flat plates R404, right four-top plates R405, and right four-vertical plates R406 to form an "L"-shaped outer shape and inner cavity. The "L"-shaped outer shape of the right four-track R4 is placed in the "L"-shaped inner cavity of the right three-track R3 and can be slidably connected; the distance between the two right four-bottom plates R401 is greater than the distance between the two right three-bottom plates R301; right four-baffle plates R407 are provided at the rear ends of the right four-outer plates R402 and the right four-inner plates R403 of the right four-track R4; right inclined surfaces R408 are provided on the right four-bottom plates R401, the right four-outer plates R402, and the right four-inner plates R403 of the right four-track R4; and a right handle R409 is provided at the front end of the top face of the "L"-shaped inner cavity of the right four-track R4.
[0090] See also Figure 4 The right first stopper R11 is fixedly connected to the front end surface of the right base R5, the top surface of the right first stopper R11 is higher than the bottom surface of the inner cavity of the right base R5, the width of the right first stopper R11 is smaller than the distance between the two right first bottom plates R101 of the right first track R1, and the position of the right first stopper R11 is between the two right first bottom plates R101 of the right first track R1;
[0091] The second right stopper R12 is installed on the right bottom plate R101 of the right track R1, close to Figure 4 The middle front end is located between the two right second bottom plates R201 of the right second track R2; the number of the right second stopper R12 is at least one, and in this embodiment, there are two; the top surface of the right second stopper R12 is higher than the top surface of the right first stopper R11;
[0092] The right third stopper R13 is installed on the right second bottom plate R201 of the right second track R2, close to Figure 4 The middle front end is located between the two right third bottom plates R301 of the right third track R3; the number of the right third stopper R13 is at least one, and in this embodiment, there are two; the top surface of the right third stopper R13 is higher than the top surface of the right second stopper R12;
[0093] The right fourth stopper R14 is installed on the right third bottom plate R301 of the right third track R3, close to Figure 4 The middle front end is located between the two right four bottom plates R401 of the right four rails R4; the number of the right four stopper R14 is at least one, and in this embodiment, there are two; the top surface of the right four stopper R14 is higher than the top surface of the right three stopper R13;
[0094] The axis of the right stopper shaft R107 of the right first track R1 is lower than the top surface of the right first stopper R11; the bottom surface of the right second stopper R207 of the right second track R2 is higher than the top surface of the right first stopper R11 and lower than the top surface of the right second stopper R12; the bottom surface of the right third stopper R307 of the right third track R3 is higher than the top surface of the right second stopper R12 and lower than the top surface of the right third stopper R13; the bottom surface of the right fourth stopper R407 of the right fourth track R4 is higher than the top surface of the right third stopper R13 and lower than the top surface of the right fourth stopper R14;
[0095] See also Figure 5 and Figure 6 The right rear stopper R6 is located at the rear of the bottom surface of the inner cavity of the right base R5 and is fixedly connected to the right base R5.
[0096] The action flow of pulling out the right half of the track is as follows:
[0097] 1. Hold the right handle R409 of the right four-track R4 and pull out the right four-track R4;
[0098] 2. When the right fourth baffle R407 of the right fourth track R4 hits the right fourth block R14, it drives the right third track R3 to move outward together;
[0099] 3. When the right third baffle plate R307 of the right third track R3 hits the right third block R13, it drives the right second track R2 to move outward together;
[0100] 4. When the right second baffle plate R207 of the right second track R2 hits the right second block R12, it drives the right first track R1 to move outward together;
[0101] 5. When the right stop shaft R107 of the right first track R1 hits the right first stop block R11, the right half track is rotated downward so that the right inclined surface R408 of the right fourth track R4 contacts the ground 20, completing the pulling-out operation of the right half track.
[0102] The action flow of pushing back the right half of the track is as follows:
[0103] 1. Lift the right fourth track R4 so that the right half of the track is in a horizontal position and push it inward;
[0104] 2. When the right fourth baffle R407 of the right fourth track R4 hits the right third baffle R307 of the right third track R3, it drives the right third track R3 to move inward together;
[0105] 3. When the right third baffle plate R307 of the right third track R3 hits the right second baffle plate R207 of the right second track R2, the right second track R2 is driven to move inward together;
[0106] 4. When the right second baffle plate R207 of the right second track R2 hits the right baffle shaft R107 of the right first track R1, it drives the right first track R1 to move inward together;
[0107] 5. When the right stop shaft R107 of the right track R1 hits the right rear stopper R6, it stops moving and the push-back operation of the right half of the track is completed.
[0108] Furthermore, a right rear wheel stopper R7 is fixedly connected to the rear end of the right flat plate R504 of the right base R5, and a left rear wheel stopper L7 is fixedly connected to the symmetrical position of the left base L5 in the same way to prevent the wheels of the wheelchair from rolling forward.
[0109] Furthermore, a right shaft seat R507 ( Figure 7 ), a left axle seat is provided at a symmetrical position of the left base L5, and a right rotating shaft R801 is provided on the right front wheel block R8 ( Fig.16 ), the left front wheel block L8 is provided with a left rotating shaft, and the right rotating shaft R801 of the right front wheel block R8 is installed in the hole of the right axle seat R507 of the right base R5 and can be rotatably connected ( Fig.17 , 18 ), the left rotating shaft of the left front wheel block L8 is installed in the hole of the left axle seat of the left base L5 and can be rotatably connected. When the wheelchair gets on or off the vehicle, the right front wheel block R8 and the left front wheel block L8 rotate inward to facilitate the passage of the wheelchair wheels; when the wheelchair is on the vehicle, the right front wheel block R8 and the left front wheel block L8 rotate outward to prevent the wheelchair wheels from rolling backwards.
[0110] Furthermore, a right side guardrail R9 is fixedly connected to the right outer plate R502 of the right base R5, and a left side guardrail L9 is fixedly connected to the symmetrical position of the left base L5 to prevent the wheelchair from tipping over to the outside of the right base R5 and to fix the wheelchair.
[0111] Furthermore, a right rear guardrail R10 is fixedly connected to the rear end of the right base R5, and a left rear guardrail L10 is fixedly connected to the rear end of the left base L5 to prevent the wheelchair from tipping forward and to secure the wheelchair.
[0112] Furthermore, an anti-skid layer is provided on the right first flat plate R104 of the right first track R1, the right second flat plate R204 of the right second track R2, the right third flat plate R304 of the right third track R3, and the right fourth flat plate R404 of the right fourth track R4; an anti-skid layer is provided on the left first track L1, the left second track L2, the left third track L3, and the left fourth track L4 in the same way to increase the friction coefficient.
[0113] Furthermore, the front-to-rear position of the right rear wheel stopper R7 and the right front wheel stopper R8 can be adjusted, and the front-to-rear position of the left rear wheel stopper L7 and the left front wheel stopper L8 can be adjusted to accommodate wheelchair wheels of different sizes.
[0114] The components in the left half are symmetrical in structure with the corresponding components in the right half, and their functions and the action flow of pulling out and pushing back are the same, so they will not be described in detail.
[0115] Furthermore, the distance between the left half and the right half can be adjusted to accommodate wheelchairs of different widths.
[0116] Wheelchair boarding process:
[0117] When the wheelchair is put on the vehicle, the vehicle door where the device is installed is opened, and the left half of the track and the right half of the track are pulled out respectively, one end of which is connected to the left base L5 and the right base R5 respectively, and the other end of which contacts the ground 20 respectively, so as to form two inclined ramps, and the two wheels of the manual wheelchair are aligned with the two ramps, and the wheelchair is pushed along the track to the left base L5 and the right base R5; or, the wheels of the electric wheelchair are aligned with the two ramps, and the electric wheelchair is started or pushed along the track to the left base L5 and the right base R5; the two tracks are pushed back into the inner cavity of the left base and the right base, and the wheelchair is fixed and the vehicle door is closed before driving.
[0118] Wheelchair disembarkation process:
[0119] Getting off a wheelchair is the reverse process of getting on a wheelchair, which will not be described in detail.
[0120] In the present invention, "left", "right", "front", "back", "inside", "outside", "up", "down", "one", "two", "three", "four", etc. are all distinguished by description and have no other special meanings.
[0121] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but rather to the widest scope consistent with the principles and inventive features disclosed herein.
Claims
1. A wheelchair getting on and off the vehicle and vehicle-mounted device, characterized in that: It comprises a left half and a right half, and the structures of the components of the left half and the corresponding components of the right half are mirror-symmetrical and have the same functions; The right half includes a right first track, a right second track, a right third track, a right fourth track, a right base, a right rear block, a right first block, a right second block, a right third block, and a right fourth block; wherein the right first track, the right second track, the right third track, and the right fourth track constitute the right half track; The left half includes a left first track, a left second track, a left third track, a left fourth track, a left base, a left rear block, a left first block, a left second block, a left third block, and a left fourth block; wherein the left first track, the left second track, the left third track, and the left fourth track constitute the left half track; The right base is formed by a right bottom plate, a right outer plate, a right inner plate, a right flat plate, a right top plate and a right vertical plate to form an "L"-shaped outer shape and inner cavity. The right base is placed on the bottom surface of the inner box of the vehicle box and is fixedly connected to the vehicle box. The right track is formed by two right bottom plates, a right outer plate, a right inner plate, a right flat plate, a right top plate, and a right vertical plate to form an "L"-shaped outer shape and inner cavity. The "L"-shaped outer shape of the right track is placed in the "L"-shaped inner cavity of the right base and can be slidably connected; a right stop shaft is provided at the lower rear end of the right outer plate and the right inner plate of the right track; The right second track is formed by two right second bottom plates, a right second outer plate, a right second inner plate, a right second flat plate, a right second top plate, and a right second vertical plate to form an "L"-shaped outer shape and inner cavity. The "L"-shaped outer shape of the right second track is placed in the "L"-shaped inner cavity of the right first track and can be slidably connected; the distance between the two right second bottom plates is greater than the distance between the two right first bottom plates; a right second baffle is provided at the rear ends of the right second outer plate and the right second inner plate of the right second track; The right third track is formed by two right third bottom plates, a right third outer plate, a right third inner plate, a right third flat plate, a right third top plate, and a right third vertical plate to form an "L"-shaped outer shape and inner cavity. The "L"-shaped outer shape of the right third track is placed in the "L"-shaped inner cavity of the right second track and can be slidably connected; the distance between the two right third bottom plates is greater than the distance between the two right second bottom plates; a right third baffle is provided at the rear ends of the right third outer plate and the right third inner plate of the right third track; The right four-track is surrounded by two right four-bottom plates, right four-outer plates, right four-inner plates, right four-flat plates, right four-top plates, and right four-vertical plates to form an "L"-shaped outer shape and inner cavity. The "L"-shaped outer shape of the right four-track is placed in the "L"-shaped inner cavity of the right three-track and can be slidably connected; the distance between the two right four-bottom plates is greater than the distance between the two right three-bottom plates; right four baffles are provided at the rear ends of the right four-outer plates and the right four-inner plates of the right four-track; right inclined surfaces are provided on the right four-bottom plates, the right four-outer plates, and the right four-inner plates of the right four-track; a right handle is provided at the front end of the top surface of the "L"-shaped inner cavity of the right four-track; The right first stopper is fixedly connected to the front end surface of the right base, the top surface of the right first stopper is higher than the bottom surface of the inner cavity of the right base, the width of the right first stopper is smaller than the distance between the two right first bottom plates of the right first track, and the position of the right first stopper is between the two right first bottom plates of the right first track; The right second stopper is installed on the right first bottom plate of the right first track, close to the front end, and located between the two right second bottom plates of the right second track; the number of the right second stopper is at least one; the top surface of the right second stopper is higher than the top surface of the right first stopper; The right third stopper is installed on the right second bottom plate of the right second track, close to the front end, and located between the two right third bottom plates of the right third track; the number of the right third stopper is at least one; the top surface of the right third stopper is higher than the top surface of the right second stopper; The right fourth stopper is installed on the right third bottom plate of the right third track, close to the front end, and located between the two right fourth bottom plates of the right fourth track; the number of the right fourth stopper is at least one; the top surface of the right fourth stopper is higher than the top surface of the right third stopper; The axis of the right stopper shaft of the right first track is lower than the top surface of the right first stopper; the bottom surface of the right second stopper of the right second track is higher than the top surface of the right first stopper and lower than the top surface of the right second stopper; the bottom surface of the right third stopper of the right third track is higher than the top surface of the right second stopper and lower than the top surface of the right third stopper; the bottom surface of the right fourth stopper of the right fourth track is higher than the top surface of the right third stopper and lower than the top surface of the right fourth stopper; The right rear stopper is located at the rear of the bottom surface of the inner cavity of the right base and is fixedly connected to the right base. A right arc plate is provided at the rear end of the right flat plate of the right track, and is symmetrically provided on the left track in the same manner. A right rib plate is provided between the right arc plate and the right stop shaft of the right track, and is symmetrically arranged on the left track in the same manner.