Automobile wheelchair lifter

Abstract

The utility model discloses an automobile wheelchair lifter which comprises a first hydraulic cylinder installed in a cavity, two guide rails arranged in the cavity and a lifter body connected to the two guide rails in a sliding mode. The lifter body comprises a sliding base, a hydraulic shear type lifting table connected to one end of the sliding base, a transition plate hinged to one end of the top of the hydraulic shear type lifting table and a blocking mechanism arranged at the other end of the top of the hydraulic shear type lifting table, the blocking mechanism is used for preventing the wheelchair from sliding backwards, and the sliding base is pushed by a first hydraulic cylinder to move out of a cavity. The upper end of the hydraulic shear type lifting platform can abut against the top of the pedal by turning over the transition plate. When not in use, the lifter body is hidden in the cavity of the pedal, so that the lifter body is prevented from occupying the limited space in the vehicle; when the wheelchair needs to be used, the first hydraulic cylinder pushes the hydraulic shear type lifting table to move out of the cavity, and the wheelchair is lifted upwards through ascending of the hydraulic shear type lifting table.

Description

TECHNICAL FIELD

[0001] The utility model relates to a wheelchair lift technical field, concretely is a kind of automobile wheelchair lift. BACKGROUND

[0002] Now, with the high-speed development of society, highway passenger transport has also been further improved. In order to adapt to different groups, the market puts forward higher requirements on various performance indicators of passenger cars. For customers, the door has a stepped pedal, which is very inconvenient for some special passengers, such as wheelchair passengers, when getting on and off the car. Therefore, many customers set up wheelchair lifts.

[0003] But the existing wheelchair lift has the following problems: (1) Most wheelchair lifts are installed on the door and exposed outside, and cannot be stored when not in use, which not only affects the appearance, but also is inconvenient to use; (2) After pushing the wheelchair onto the lift, there is no device to prevent the wheelchair from sliding backward on the lift, so the wheelchair is easy to slide during lifting; (3) Due to the existence of the door pedal ladder, after lifting the wheelchair, the top of the lift cannot contact the top of the pedal, so the wheelchair cannot be conveniently pushed into the car. INVENTION CONTENTS

[0004] In view of the deficiencies of the prior art, the utility model provides an automobile wheelchair lift to solve the problems mentioned in the background art.

[0005] To solve the above technical problems, the utility model provides the following technical scheme:

[0006] An automobile wheelchair lift, the lower part of the automobile pedal is provided with a cavity, the wheelchair lift comprises a first hydraulic cylinder installed in the cavity, two guide rails arranged in the cavity, and a lift body slidingly connected to the two guide rails, the lift body comprises a sliding seat, a hydraulic scissor lift connected to one end of the sliding seat, a transition plate hinged to one end of the top of the hydraulic scissor lift, and a blocking mechanism arranged on the other end of the top of the hydraulic scissor lift, the blocking mechanism is used to prevent the wheelchair from sliding backward, the sliding seat is pushed out of the cavity by the first hydraulic cylinder to move, so that the hydraulic scissor lift moves to the outside of the cavity, and the upper end of the transition plate is abutted on the top of the pedal by turning over the transition plate.

[0007] Preferably, the hydraulic scissor lift platform comprises first connecting rods hinged on both sides of the sliding base symmetrically, side plates arranged on both sides of one end of the sliding base, strip-shaped holes opened on the side plates, second connecting rods slidingly connected with the two strip-shaped holes through shaft rods, the first connecting rods and the second connecting rods being crossingly and movably connected, the hydraulic scissor lift platform further comprises third connecting rods movably connected with the two first connecting rods, fourth connecting rods movably connected with the two second connecting rods, a cross bar connected between the two first connecting rods, and a second hydraulic cylinder movably connected with the cross bar, the third connecting rods and the fourth connecting rods being crossingly and movably connected, upper ends of the third connecting rods and the fourth connecting rods being movably connected with the bearing platform through shaft rods, and upper ends of the second hydraulic cylinder being movably connected with the shaft rods on the two fourth connecting rods.

[0008] The above technical scheme can make the bearing platform move upward and lift the wheelchair through the cooperation of the first connecting rods, the second connecting rods, the third connecting rods, the fourth connecting rods and the strip-shaped holes when the hydraulic scissor lift platform is completely moved out of the cavity.

[0009] Preferably, the blocking mechanism comprises a notch opened on a side of the bearing platform away from the transition plate, a spring connected in the notch, and a blocking block movably arranged in the notch and connected with an upper end of the spring, a top surface of the blocking block being an outwardly and downwardly inclined slope, and the slope of the blocking block being located above the bearing platform through the action of the spring.

[0010] The above technical scheme can make the blocking block rebound under the action of the spring and pop out of the notch when the wheelchair leaves the blocking block, thereby blocking the wheelchair and preventing the wheelchair from sliding backward during lifting.

[0011] Preferably, folding sheds are connected with both sides of the sliding base and the bearing platform.

[0012] The above technical scheme can protect the hydraulic scissor lift platform through the folding function of the folding sheds.

[0013] Preferably, a third hydraulic cylinder is arranged in the tread plate close to an opening of the cavity, and a pressing plate is connected with a lower end of the third hydraulic cylinder, the pressing plate being pressed on the sliding base through the extension of the third hydraulic cylinder.

[0014] The above technical scheme can prevent the sliding base from tilting outward and improve the stability of lifting the wheelchair when the hydraulic scissor lift platform is completely exposed and the inner end of the sliding base is still located in the cavity, the third hydraulic cylinder is controlled to extend, and the pressing plate is driven to descend and tightly press on the sliding base.

[0015] Compared with the prior art, the hydraulic scissor lift platform has the following beneficial effects:

[0016] (1) when not in use, the lifter body is hidden in the cavity of the step, preventing the lifter body from occupying the limited space in the car, and protecting the lifter body; when in use, the first hydraulic cylinder extends, pushing the lifter body to move outward until the hydraulic scissor lift platform is completely removed from the cavity, then the transition plate is turned up, and the wheelchair is pushed to the hydraulic scissor lift platform, and through the rising of the hydraulic scissor lift platform, the wheelchair is lifted upward, and after the wheelchair is lifted, one end of the transition plate is abutted against the uppermost step of the step, so that the wheelchair can be pushed into the car, and the wheelchair can smoothly reach the car.

[0017] (2) when the hydraulic scissor lift platform is completely exposed, the inner end of the sliding seat is still located in the cavity, at this time, the third hydraulic cylinder is controlled to extend, driving the pressing plate to descend and tightly press on the sliding seat, thereby preventing the sliding seat from tilting outward, and improving the stability of the wheelchair lifting. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 is a sectional view of the utility model;

[0019] Figure 2 is a schematic view of the lifter body;

[0020] Figure 3 is a schematic view of the hydraulic scissor lift platform after being removed from the cavity;

[0021] In the drawing: 1- first hydraulic cylinder, 2- guide rail, 3- sliding seat, 4- hydraulic scissor lift platform, 401- first connecting rod, 402- side plate, 403- slot, 404- second connecting rod, 405- third connecting rod, 406- fourth connecting rod, 407- cross bar, 408- second hydraulic cylinder, 409- bearing table, 5- transition plate, 6- blocking mechanism, 601- notch, 602- spring, 603- stop block, 7- folding shed, 8- third hydraulic cylinder, 9- pressing plate, 10- step, 11- secondary gear, 12- motor. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0023] Embodiment 1

[0024] Please refer to Figure 1The application discloses a wheelchair lifter for a car, wherein a cavity is arranged below a pedal of the car, the wheelchair lifter comprises a first hydraulic cylinder 1 arranged in the cavity, two guide rails 2 arranged in the cavity, and a lifter body slidably connected to the two guide rails, the lifter body comprises a sliding base 3, a hydraulic scissor lifter 4 connected to one end of the sliding base, a transition plate 5 hingedly connected to one end of the top of the hydraulic scissor lifter, and a blocking mechanism 6 arranged on the other end of the top of the hydraulic scissor lifter, the blocking mechanism 6 is used for preventing the wheelchair from sliding backwards, the sliding base 3 is pushed out of the cavity by the first hydraulic cylinder 1, so that the hydraulic scissor lifter 4 is moved to the outside of the cavity, and the upper end of the transition plate 5 is abutted against the top of the pedal by being turned over.

[0025] As shown in the drawings, Figure 2 The hydraulic scissor lifter 4 comprises first connecting rods 401 hingedly connected to the two sides of the sliding base and symmetrical to each other, side plates 402 arranged on the two sides of one end of the sliding base, strip-shaped holes 403 arranged on the side plates, and second connecting rods 404 slidably connected to the two strip-shaped holes through shaft rods, the first connecting rods 401 and the second connecting rods 404 are crossly and movably connected, the hydraulic scissor lifter 4 further comprises third connecting rods 405 movably connected to the two first connecting rods, fourth connecting rods 406 movably connected to the two second connecting rods, a cross rod 407 connected between the two first connecting rods, and a second hydraulic cylinder 408 movably connected to the cross rod, the third connecting rods 405 and the fourth connecting rods 406 are crossly and movably connected, upper ends of the third connecting rods 405 and the fourth connecting rods 406 are movably connected with a bearing table 409 through shaft rods, and an upper end of the second hydraulic cylinder 408 is movably connected with the shaft rods on the two fourth connecting rods 406. When the hydraulic scissor lifter 4 is completely moved out of the cavity, the second hydraulic cylinder 408 is extended to push the bearing table 409, and the bearing table 409 is moved upwards through cooperation of the first connecting rods 401, the second connecting rods 404, the third connecting rods 405, the fourth connecting rods 406 and the strip-shaped holes 403, so that the wheelchair is lifted.

[0026] In the embodiment, the blocking mechanism 6 comprises a slot 601 arranged on a side of the bearing table away from the transition plate, a spring 602 connected to the slot, and a blocking block 603 movably arranged in the slot and connected to an upper end of the spring 602, a top surface of the blocking block 603 is an outwardly and downwardly inclined slope, and the slope of the blocking block 603 is located above the bearing table 409 through the action of the spring 602. When the wheelchair is pushed onto the bearing table 409, the wheelchair will extrude the blocking block 603, so that the blocking block 603 is retracted into the slot 601, and when the wheelchair is away from the blocking block 603, the blocking block 603 is bounced back under the action of the spring 602 and is popped out of the slot 601, so that the wheelchair is blocked and the wheelchair is prevented from sliding backwards during lifting.

[0027] In the embodiment, the sliding base 3 and the bearing table 409 are connected with folding sheds 7 on the two sides. The folding sheds have a folding function and can protect the hydraulic scissor lifter.

[0028] In summary, as shown in Figure 2 When not in use, the lifter body is hidden in the cavity of the step, preventing the lifter body from occupying the limited space in the vehicle and protecting the lifter body; when in use, the first hydraulic cylinder 1 extends to push the lifter body to move outward until the hydraulic scissor lift platform 4 is completely removed from the cavity, then the transition plate 5 is flipped upward, in order to control the operation of the transition plate 5, a secondary gear 11 is connected to the hinge shaft of the transition plate 5, a motor 12 is arranged on one side of the bearing platform 409, a primary gear is connected to the motor 12 through a shaft coupling, the primary gear is engaged with the secondary gear 11, and the cooperation of the primary gear and the secondary gear 11 keeps the transition plate 5 vertical; then the wheelchair is pushed onto the hydraulic scissor lift platform 4, the wheelchair is lifted upward through the upward movement of the hydraulic scissor lift platform 4, and after the wheelchair is lifted, one end of the transition plate 5 is abutted against the uppermost step of the step, so that the wheelchair can be pushed into the vehicle, and the wheelchair can smoothly reach the vehicle.

[0029] Embodiment 2

[0030] On the basis of embodiment 1, a third hydraulic cylinder 8 is arranged in the step near the opening of the cavity, and a pressing plate 9 is connected to the lower end of the third hydraulic cylinder 8, and the extension of the third hydraulic cylinder 8 can make the pressing plate 9 press on the sliding seat 3. When the hydraulic scissor lift platform 4 is completely exposed, the inner end of the sliding seat 3 is still in the cavity, at this time, the third hydraulic cylinder 8 is controlled to extend to drive the pressing plate 9 to descend and tightly press on the sliding seat 3, thereby preventing the sliding seat 3 from tilting outward and improving the stability of the wheelchair lifting.

[0031] It should be noted that the terms "comprising", "containing" or any other variant thereof are intended to cover non-exclusive inclusions, so that a process, method, article or device that includes a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such a process, method, article or device. Without more limitations, the element defined by the statement "comprising a" does not exclude the presence of another identical element in the process, method, article or device that includes the element.

[0032] Although the embodiments of the present application have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A car wheelchair lift, said car having a cavity beneath its floor, characterized in that: The wheelchair lift comprises a first hydraulic cylinder (1) mounted in the cavity, two guide rails (2) arranged in the cavity, and a lift body slidably connected to the two guide rails, wherein the lift body comprises a sliding seat (3), a hydraulic scissor lift (4) connected to one end of the sliding seat, a transition plate (5) hingedly connected to one end of the top of the hydraulic scissor lift, and a blocking mechanism (6) arranged at the other end of the top of the hydraulic scissor lift, wherein the blocking mechanism (6) is used to prevent the wheelchair from sliding backwards, the sliding seat (3) is pushed out of the cavity by the first hydraulic cylinder (1), so that the hydraulic scissor lift (4) moves to the outside of the cavity, and the upper end of the transition plate (5) is abutted against the top of the pedal by turning the transition plate (5).

2. The wheelchair lift for an automobile as defined in claim 1 wherein: The hydraulic scissor lift (4) comprises first connecting rods (401) hingedly connected to both sides of the sliding seat and symmetrical, side plates (402) arranged at both sides of one end of the sliding seat, strip-shaped holes (403) formed in the side plates, and second connecting rods (404) slidably connected to the two strip-shaped holes through shaft rods, wherein the first connecting rods (401) and the second connecting rods (404) are crosswise and movably connected, the hydraulic scissor lift (4) further comprises third connecting rods (405) movably connected to the two first connecting rods, fourth connecting rods (406) movably connected to the two second connecting rods, a cross bar (407) connected between the two first connecting rods, and a second hydraulic cylinder (408) movably connected to the cross bar, the third connecting rods (405) and the fourth connecting rods (406) are crosswise and movably connected, the upper ends of the third connecting rods (405) and the fourth connecting rods (406) are movably connected with a bearing table (409) through shaft rods, and the upper end of the second hydraulic cylinder (408) is movably connected with the shaft rods on the two fourth connecting rods (406).

3. A wheelchair lift for a vehicle as defined in claim 2 wherein: The blocking mechanism (6) comprises a notch (601) formed on the side of the bearing table away from the transition plate, a spring (602) connected in the notch, and a stop block (603) movably arranged in the notch and connected to the upper end of the spring (602), wherein the top surface of the stop block (603) is an outwardly and downwardly inclined slope, and the slope of the stop block (603) is located above the bearing table (409) by the action of the spring (602).

4. The wheelchair lift for an automobile as defined in claim 3 wherein: Folding sheds (7) are connected to both sides of the sliding seat (3) and the bearing table (409).

5. A wheelchair lift for a vehicle as claimed in any one of claims 1 to 4, wherein: A third hydraulic cylinder (8) is arranged in the pedal near the opening of the cavity, and a pressing plate (9) is connected to the lower end of the third hydraulic cylinder (8), so that the pressing plate (9) is pressed on the sliding seat (3) by the extension of the third hydraulic cylinder (8).

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