CN217828259U - Rear wheel support mechanism of electric wheelchair - Google Patents

Abstract

The utility model discloses an electronic wheelchair rear wheel cradling member, including electronic wheelchair, electronic wheelchair's bottom fixedly connected with rear wheel support, electronic wheelchair's lower extreme is equipped with the actuating mechanism who is used for providing support power, the inside of rear wheel support is equipped with and is used for supporting the drive mechanism of electronic wheelchair with actuating mechanism complex, electronic wheelchair's upper end fixedly connected with handle, the inside of handle is equipped with and is used for controlling the elastic mechanism that actuating mechanism opened and stops. The utility model discloses it is rational in infrastructure, can be fixed with it when electronic wheelchair does not need to remove, avoid it to appear sliding, improved electronic wheelchair's stability, also can be directly through pressing down the push pedal and then start or close the motor, improved the convenience that the user controlled the wheelchair.

Description

Rear wheel support mechanism of electric wheelchair

Technical Field

The utility model relates to an electronic wheelchair technical field especially relates to an electronic wheelchair rear wheel gimbal mechanism.

Background

The electric wheelchair is formed by superposing a high-performance energy power driving device, an intelligent operating device, a battery and the like on the basis of the traditional manual wheelchair and is formed by modification and upgrading. The novel intelligent wheelchair with the manual control intelligent controller can drive the wheelchair to complete multiple functions of advancing, retreating, steering, standing, lying and the like, is a high-tech product combining the fields of modern precision machinery, intelligent numerical control, engineering mechanics and the like, is fundamentally different from traditional electric mobility tools such as electric mobility vehicles, battery cars, bicycles and the like, and is characterized in that the electric wheelchair has the intelligent control controller.

Nowadays, the electric wheelchair becomes an indispensable tool for riding instead of walk for the elderly and the disabled with inconvenient movement, the application objects are very wide, and as long as the consciousness of a user is clear and the cognitive ability is normal, the use of the electric wheelchair is a good choice, but the existing electric wheelchair has some problems, such as the use of a wheelchair frame, the use of a wheelchair frame and the like; when the existing electric wheelchair does not need to be moved, the rear wheel bracket of the electric wheelchair is easy to be fixed loosely, so that the stability of the electric wheelchair is influenced, and the danger is increased.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a rear wheel bracket mechanism of an electric wheelchair.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an electronic wheelchair rear wheel cradling mechanism, includes electronic wheelchair, electronic wheelchair's bottom fixedly connected with rear wheel support, electronic wheelchair's lower extreme is equipped with the actuating mechanism who is used for providing support power, the inside of rear wheel support be equipped with actuating mechanism complex be used for supporting electronic wheelchair's drive mechanism, electronic wheelchair's upper end fixedly connected with handle, the inside of handle is equipped with and is used for controlling actuating mechanism and opens the elastic mechanism who stops.

Preferably, the driving mechanism comprises a motor fixedly connected to the upper end of the rear wheel support, the tail end of an output shaft of the motor is fixedly connected with a motor shaft, and the outer edge of the tail end of the motor shaft is fixedly connected with a worm sleeve.

Preferably, drive mechanism is including setting up in the inside rectangle chamber of rear wheel support, the inside sliding connection in rectangle chamber has the nut, the top in rectangle chamber is rotated and is connected with the threaded rod, the top outer fringe fixedly connected with worm wheel of threaded rod, the worm wheel meshes with the worm cover, the outer fringe and the threaded rod threaded connection of nut, the right-hand member fixedly connected with bracing piece of nut, the diapire in rectangle chamber is run through to the bottom of bracing piece and extends to the outside and the fixedly connected with backup pad of rear wheel support.

Preferably, elastic mechanism is including setting up in the inside device chamber of electronic wheelchair upper end handle, the inside sliding connection in device chamber has the slide, the conductor head that two symmetries of upper end fixedly connected with of slide set up, the upper end fixedly connected with in device chamber two with conductor head complex lead electrical connector, the spring is passed through to the upper end of slide and the roof elastic connection in device chamber, the bottom fixedly connected with slide bar of slide, the diapire in device chamber is run through and the outside that extends to the handle in the bottom of slide bar, the bottom fixedly connected with of slide bar is used for the push pedal of pressing.

Preferably, the top of the electric wheelchair is fixedly connected with a handle for facilitating manual pushing of the electric wheelchair.

Preferably, the two conductive heads are arc-shaped protruding outwards, the two conductor heads are arc-shaped recessed inwards, and the rear ends of the two conductive heads are electrically connected with the motor through a lead.

The utility model has the advantages that:

1. the supporting plate is driven to move downwards by the motor, so that the electric wheelchair can be fixed when not required to move, the electric wheelchair is prevented from sliding, and the stability of the electric wheelchair is improved;

2. through setting up elastic mechanism, can be directly through pressing the push pedal and then start or close the motor, improved the convenience that the user controlled the wheelchair.

Drawings

Fig. 1 is a schematic structural view of a rear wheel support mechanism of an electric wheelchair according to the present invention;

fig. 2 is an enlarged view of a structure at a position A of the rear wheel support mechanism of the electric wheelchair;

fig. 3 is an enlarged view of a structure at the position B of the rear wheel support mechanism of the electric wheelchair.

In the figure: the device comprises an electric wheelchair 1, a rear wheel bracket 2, a motor 3, a motor shaft 4, a device cavity 5, a sliding plate 6, a spring 7, a conductive head 8, a conductor head 9, a sliding rod 10, a push plate 11, a worm sleeve 12, a worm wheel 13, a rectangular cavity 14, a nut 15, a threaded rod 16, a support rod 17 and a support plate 18.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-3, a rear wheel support mechanism of an electric wheelchair comprises an electric wheelchair 1, a rear wheel support 2 is fixedly connected to the bottom of the electric wheelchair 1, a driving mechanism for providing supporting power is arranged at the lower end of the electric wheelchair 1, a transmission mechanism which is matched with the driving mechanism and used for supporting the electric wheelchair 1 is arranged inside the rear wheel support 2, a handle is fixedly connected to the upper end of the electric wheelchair 1, and an elastic mechanism for controlling the driving mechanism to start and stop is arranged inside the handle.

The utility model discloses in, actuating mechanism includes fixed connection in the motor 3 of 2 upper ends of rear wheel support, the terminal fixedly connected with motor shaft 4 of motor 3's output shaft, the terminal outer fringe fixedly connected with worm cover 12 of motor shaft 4.

Specifically, drive mechanism is including setting up in the inside rectangular chamber 14 of rear wheel support 2, the inside sliding connection in rectangular chamber 14 has nut 15, the top in rectangular chamber 14 is rotated and is connected with threaded rod 16, the top outer fringe fixedly connected with worm wheel 13 of threaded rod 16, worm wheel 13 meshes with worm cover 12, the outer fringe and the threaded rod 16 threaded connection of nut 15, the right-hand member fixedly connected with bracing piece 17 of nut 15, the diapire in rectangular chamber 14 is run through to the bottom of bracing piece 17 and extends to rear wheel support 2 outside and fixedly connected with backup pad 18, can accomplish the fixed to electronic wheelchair 1 through backup pad 18.

Specifically, elastic mechanism is including setting up in the inside device chamber 5 of 1 upper end handle of electronic wheelchair, the inside sliding connection in device chamber 5 has slide 6, the conductor head 9 that two symmetries of upper end fixedly connected with of slide 6 set up, two and conductor head 9 complex conductive head 8 of upper end fixedly connected with in device chamber 5, spring 7 and the roof elastic connection in device chamber 5 are passed through to slide 6's upper end, slide 6's bottom fixedly connected with slide bar 10, the diapire in device chamber 5 is run through and extends to the outside of handle in slide bar 10's bottom, slide bar 10's bottom fixedly connected with is used for the push pedal 11 of pressing, can improve the convenience that the user controlled electronic wheelchair 1.

Specifically, the top fixedly connected with of electronic wheelchair 1 is used for the manual handle that promotes electronic wheelchair 1 of being convenient for, and the shape of two conductive heads 8 is outside convex arc, and the shape of two conductor heads 9 is inside concave arc, and the rear end of two conductive heads 8 passes through wire and motor 3 electric connection.

The utility model discloses during the use, only need place electronic wheelchair 1 level in suitable position earlier, then in needs fixed electronic wheelchair 1, only need promote push pedal 11, make push pedal 11 can promote slide bar 10 and overcome the elasticity promotion slide 6 rebound of spring 7, make two conductive heads 8 can contact with two conductor heads 9, and then the start is located the motor 3 of 2 upper ends of rear wheel support, motor 3 output shaft end fixed connection's motor shaft 4 will drive worm cover 12 and rotate afterwards, and then drive worm wheel 13 lower extreme fixed connection's threaded rod 16 and rotate, and then promote to be located the inside nut 15 downstream in rectangular cavity 14, then promote bracing piece 17 and backup pad 18 downstream, accomplish the fixing to electronic wheelchair 1.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (5)

1. The utility model provides an electric wheelchair rear wheel support mechanism, includes electric wheelchair (1), its characterized in that, the bottom fixedly connected with rear wheel support (2) of electric wheelchair (1), the lower extreme of electric wheelchair (1) is equipped with the actuating mechanism who is used for providing support power, actuating mechanism includes motor (3) of fixed connection in rear wheel support (2) upper end, the terminal fixedly connected with motor shaft (4) of output shaft of motor (3), the terminal outer fringe fixedly connected with worm cover (12) of motor shaft (4), the inside of rear wheel support (2) is equipped with the drive mechanism who is used for supporting electric wheelchair (1) with the actuating mechanism complex, drive mechanism is including setting up in the inside rectangle chamber (14) of rear wheel support (2), the inside sliding connection in rectangle chamber (14) has nut (15), the top of rectangle chamber (14) is rotated and is connected with threaded rod (16), the top outer fringe fixedly connected with worm wheel (13) of top of rectangular chamber (16), worm wheel (13) and cover (12) mesh the upper end fixedly connected with handle of electric wheelchair (1), the inside of handle is equipped with and opens the elastic threaded rod that is used for controlling actuating mechanism.

2. The electric wheelchair rear wheel support mechanism as claimed in claim 1, characterized in that the outer edge of the nut (15) is in threaded connection with a threaded rod (16), a support rod (17) is fixedly connected to the right end of the nut (15), and the bottom of the support rod (17) penetrates through the bottom wall of the rectangular cavity (14), extends to the outside of the rear wheel support (2) and is fixedly connected with a support plate (18).

3. The rear wheel support mechanism of the electric wheelchair as claimed in claim 1, wherein the elastic mechanism comprises a device cavity (5) arranged inside a handle at the upper end of the electric wheelchair (1), a sliding plate (6) is slidably connected inside the device cavity (5), two symmetrically arranged conductor heads (9) are fixedly connected to the upper end of the sliding plate (6), two conductive heads (8) matched with the conductor heads (9) are fixedly connected to the upper end of the device cavity (5), the upper end of the sliding plate (6) is elastically connected with the top wall of the device cavity (5) through a spring (7), a sliding rod (10) is fixedly connected to the bottom of the sliding plate (6), the bottom of the sliding rod (10) penetrates through the bottom wall of the device cavity (5) and extends to the outside of the handle, and a push plate (11) for pressing is fixedly connected to the bottom of the sliding rod (10).

4. The rear wheel support mechanism of the electric wheelchair as claimed in claim 1, wherein a handle for facilitating manual pushing of the electric wheelchair (1) is fixedly connected to the top of the electric wheelchair (1).

5. The electric wheelchair rear wheel support mechanism as claimed in claim 3, wherein the two conductive heads (8) are in the shape of an outwardly convex circular arc, the two conductive heads (9) are in the shape of an inwardly concave circular arc, and the rear ends of the two conductive heads (8) are electrically connected with the motor (3) through a wire.

Images