Auxiliary moving device for wheelchair

Abstract

The utility model discloses an auxiliary moving device for a wheelchair, which comprises an auxiliary moving component, a manual wheelchair body is clamped on the auxiliary moving component, and the auxiliary moving component is used for assisting the movement of the manual wheelchair body; the auxiliary moving assembly comprises a vehicle body, an adjusting mechanism, two bearing plates and a plurality of locking mechanisms, the adjusting mechanism is installed at the rear end of the vehicle body, and the two bearing plates are installed on a lead screw on the adjusting mechanism side by side in a spaced mode so that the adjusting mechanism can be used for adjusting the distance between the two bearing plates. And each bearing plate is provided with a corresponding barrier plate. By arranging the detachable auxiliary moving assembly, when the auxiliary moving assembly is used, the manual wheelchair is connected to the bearing plate in a clamped mode so as to assist the manual wheelchair to move, when the auxiliary moving assembly is not used, the manual wheelchair and the auxiliary moving assembly are detached so that the wheelchair can be used daily, and therefore the using convenience and practicability of the auxiliary moving device are improved.

Description

Technical Field

[0001] This utility model relates to the field of wheelchair manufacturing technology, and specifically to an auxiliary mobility device for wheelchairs. Background Technology

[0002] A wheelchair is a chair equipped with wheels that can help replace walking. It is an important mobility tool for the injured, sick, and disabled to use at home for rehabilitation, transportation, medical treatment, and outdoor activities. Wheelchairs not only meet the mobility needs of people with limb disabilities and limited mobility, but more importantly, they facilitate the movement and care of family members, and enable patients to exercise and participate in social activities with the help of wheelchairs.

[0003] A typical wheelchair generally consists of a foldable frame, side panels (skirts), front and rear wheels, left and right knee pads and footrests, left and right armrests, handle brakes, a seat, and a backrest with a medical imaging data bag and urine bag hook. However, existing manual wheelchairs require manual cranking for movement and lack detachable assistive devices to aid in movement. This prevents wheelchair users from undertaking long-distance activities, impacting the wheelchair's practicality and convenience. Utility Model Content

[0004] In view of the above-mentioned defects or deficiencies in the prior art, it is desirable to provide an assistive mobility device for wheelchairs to solve the technical problem that existing wheelchairs do not have a detachable assistive mobility device, so that the assistive mobility device assists the movement of traditional manual wheelchairs, thus preventing wheelchair users from performing long-distance activities and affecting the practicality and convenience of wheelchairs.

[0005] According to the technical solution provided in the embodiments of this application, an auxiliary mobility device for wheelchairs includes an auxiliary mobility component, on which a manual wheelchair body is snapped into the auxiliary mobility component for assisting the movement of the manual wheelchair body;

[0006] The auxiliary mobility component includes a vehicle body, an adjustment mechanism, two support plates, and several locking mechanisms. The adjustment mechanism is installed at the rear end of the vehicle body, and the two support plates are installed side by side and spaced apart on the lead screws of the adjustment mechanism so that the adjustment mechanism can be used to adjust the distance between the two support plates. Each support plate is equipped with a corresponding blocking plate, and two locking mechanisms are installed on the inner side of the two blocking plates so that the locking mechanisms can lock the wheels on the manual wheelchair body to prevent the wheelchair from sliding during assisted mobility.

[0007] An auxiliary plate, which is hinged to the rear end of the support plate via a rotating mechanism, is used to assist the manual wheelchair body in entering each of the support plates;

[0008] A control button, located at the front end of the two blocking plates on the support plate, is used to control the opening and closing of the locking mechanism.

[0009] Furthermore, the adjustment mechanism includes a first rotation drive, a driving gear, a driven gear, and a lead screw. Corresponding nuts are installed at the front ends of the two support plates, and the two nuts are screwed onto the lead screw. A driven gear is installed in the middle of the lead screw, and the driven gear meshes with the driving gear. The driving gear is fixedly connected to the output end of the first rotation drive, so that the first rotation drive drives the two nuts to move relative to each other along the length of the lead screw.

[0010] Furthermore, the vehicle body is also provided with corresponding sliding grooves, and the two nuts are slidably engaged in the sliding grooves so that the first rotation drive member drives the two nuts to move relative to each other along the sliding grooves.

[0011] Furthermore, the front end of the locking channel between the two blocking plates is open, allowing the wheels of the manual wheelchair to engage within the locking channel.

[0012] Furthermore, the locking mechanism includes two moving slots, two pistons, a first locking rod, and a second locking rod. The moving slots are horizontally arranged on the two blocking plates, and each moving slot is equipped with a corresponding piston. The front ends of the two pistons are respectively equipped with the first locking rod and the second locking rod, and the first locking rod and the second locking rod are engaged and connected.

[0013] Furthermore, each of the movable slots is equipped with an air supply pipe at its rear end, and each air supply pipe is connected to an air source machine so that the air source machine inputs a positive pressure air source, thereby pushing the two first locking rods and the second locking rods to move relative to each other in the horizontal direction and then locking them.

[0014] Furthermore, the first locking rod and the second locking rod are also fitted with corresponding return components, which are used to return the first locking rod and the second locking rod.

[0015] Furthermore, the rotating mechanism includes a second rotation drive and a rotating shaft. The second rotation drive is mounted on the support plate, and the rotating shaft is connected to the auxiliary plate, so that the second rotation drive drives the auxiliary plate to rotate along the rotating shaft. This allows the manual wheelchair body to move along the auxiliary plate to the support plate during the connection with the auxiliary movement assembly. Then, the second rotation drive drives the auxiliary plate to rotate, so that the auxiliary plate retracts without affecting the auxiliary movement assembly's assistance in moving the manual wheelchair body.

[0016] Furthermore, the control button has a rectangular structure, and several elastic elements are installed at the bottom of the control button for elastic support.

[0017] Furthermore, a handle is provided at the front end of the vehicle body, and a control panel is installed in the middle of the handle. Several buttons are installed on the control panel, and the buttons are respectively connected to the adjustment mechanism, the locking mechanism and the rotating mechanism.

[0018] In summary, the beneficial effects of this application are as follows:

[0019] 1. By setting a detachable auxiliary mobility component, the manual wheelchair can be snapped onto the support plate when in use to assist in the movement of the manual wheelchair. When not in use, the manual wheelchair can be detached from the auxiliary mobility component so that the wheelchair can be used for daily use, thereby improving the convenience and practicality of the auxiliary mobility device.

[0020] 2. By setting an adjustment mechanism at the connection between the vehicle body and the two support plates, the adjustment mechanism can adjust the distance between the two support plates, so that the mobility assistance component can be used for different models of manual wheelchairs.

[0021] Third, by setting a locking mechanism inside the baffle plate on each support plate, the pistons on the locking mechanism move relative to each other in the horizontal direction and engage under the input of positive pressure gas, thereby locking and fixing the wheels of the manual wheelchair, preventing the wheelchair from sliding during assisted movement, and improving the safety of the assisted movement device for the wheelchair. Attached Figure Description

[0022] Other features, objects, and advantages of this application will become more apparent from the following detailed description of non-limiting embodiments with reference to the accompanying drawings:

[0023] Figure 1 This is a schematic diagram of the connection structure between the present invention and a wheelchair;

[0024] Figure 2 This is a schematic diagram of the overall structure of this utility model;

[0025] Figure 3 This is an exploded structural diagram of the present invention;

[0026] Figure 4 This is a schematic diagram of the locking mechanism of this utility model.

[0027] The following components are labeled in the diagram: Auxiliary movement component-100, vehicle body-110, slide rail-111, handle-112, control panel-113, adjustment mechanism-120, first rotation drive component-121, drive gear-122, driven gear-123, lead screw-124, support plate-130, blocking plate-131, nut-132, locking mechanism-140, moving groove-141, piston-142, first locking lever-143, second locking lever-144, return component-145, auxiliary plate-150, control button-160, rotation mechanism-170, manual wheelchair body-200. Detailed Implementation

[0028] The present application will now be described in further detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the relevant utility model and not intended to limit the scope of the utility model. Furthermore, it should be noted that, for ease of description, only the parts relevant to the utility model are shown in the accompanying drawings.

[0029] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other. This application will now be described in detail with reference to the accompanying drawings and embodiments.

[0030] An assistive mobility device for wheelchairs, the structure of which is as follows: Figures 1-4 As shown, the system includes an auxiliary movement assembly 100, on which a manual wheelchair body 200 is snapped together for movement assistance. The auxiliary movement assembly 100 includes a body 110, an adjustment mechanism 120, two support plates 130, and several locking mechanisms 140. The adjustment mechanism 120 is mounted at the rear end of the body 110, while the two support plates 130 are mounted side-by-side and spaced apart on lead screws 124 of the adjustment mechanism 120, allowing the adjustment mechanism 120 to adjust the distance between the two support plates 130. The wheelchair body 200 is equipped with corresponding blocking plates 131. Two locking mechanisms 140 are installed on the inner side of the two blocking plates 131 to lock the wheels on the manual wheelchair body 200 and prevent the wheelchair from sliding during assisted movement. An auxiliary plate 150 is hinged to the rear end of the support plate 130 through a rotating mechanism 170 to assist the manual wheelchair body 200 in entering each support plate 130. A control button 160 is located at the front end of the two blocking plates 131 on the support plate 130 and is used to control the opening and closing of the locking mechanisms 140.

[0031] During the movement of a manual wheelchair assisted by the auxiliary mobility device, the wheelchair user rotates the wheels to guide the wheelchair along the inclined auxiliary plate 150 into the space between the blocking plates 131 on top of the two support plates 130. This allows the manual wheelchair to move along the locking channel between the two blocking plates 131 and abut against the control button 160 at the front end of the support plate 130. The wheels press down on the control button 160, activating the air source motor connected to the control button 160. This air source outputs positive pressure air, which pushes the first and second positioning rods on the locking mechanism 140 to move horizontally relative to each other and engage, thus fixing the wheels of the manual wheelchair and preventing the wheelchair from slipping during assisted movement. To better accommodate different wheelchair models, an adjustment mechanism 120 is provided at the connection between the vehicle body 110 and the two support plates 130. This adjustment mechanism 120 adjusts the distance between the two support plates 130, improving the assistive efficiency of the auxiliary mobility device.

[0032] As a preferred embodiment, please refer to Figure 3 The adjusting mechanism 120 includes a first rotation drive 121, a driving gear 122, a driven gear 123, and a lead screw 124. Two support plates 130 have corresponding nuts 132 mounted on their front ends, and the two nuts 132 are screwed onto the lead screw 124. The driven gear 123 is mounted in the middle of the lead screw 124 and meshes with the driving gear 122. The driving gear 122 is fixedly connected to the output end of the first rotation drive 121, so that the first rotation drive 121 drives the driving gear 122 to rotate. The drive gear 122 drives the meshing driven gear 123 to rotate, causing the lead screw 124 on which the driven gear 123 is mounted to rotate, causing the two nuts 132 screwed on the lead screw 124 to move relative to each other along the length of the lead screw 124, causing the support plate 130 on which each nut 132 is mounted to move along the slide groove 111 on the vehicle body 110, and causing the two support plates 130 to move relative to each other along the slide groove 111 on the vehicle body 110, thereby allowing the auxiliary movement component 100 to be adjusted according to different models of wheelchairs.

[0033] As a preferred embodiment, please refer to Figure 3 The vehicle body 110 is also provided with a corresponding slide groove 111, and two nuts 132 are slidably engaged in the slide groove 111 so that the first rotation drive 121 drives the two nuts 132 to move relative to each other along the slide groove 111, thereby improving the practicality of the auxiliary moving device.

[0034] As a preferred embodiment, please refer to Figure 2 and Figure 3 The front end of the locking channel between the two baffles 131 is open, which makes it easy for the wheels of the manual wheelchair to be locked into the locking channel.

[0035] As a preferred embodiment, please refer to Figure 3 and Figure 4 The locking mechanism 140 includes two moving slots 141, two pistons 142, a first locking rod 143, and a second locking rod 144. The moving slots 141 are horizontally arranged on two baffle plates 131, and a corresponding piston 142 is installed in each moving slot 141. The first locking rod 143 and the second locking rod 144 are respectively installed at the front end of the two pistons 142, and the first locking rod 143 and the second locking rod 144 are engaged. An air supply pipe is installed at the rear end of each moving slot 141, and each air supply pipe is connected to an air source machine so that the air source machine inputs a positive pressure air source, thereby pushing the pistons 142 installed in each moving slot 141 to move horizontally, so that the first locking rod 143 and the second locking rod 144, which are respectively fixedly installed at the front end of each piston 142, move relative to each other horizontally and lock after movement, so that the locking mechanism 140 locks the wheels of the manual wheelchair, preventing the wheelchair from sliding during assisted movement and improving the safety of the assisted movement device for the wheelchair.

[0036] As a preferred embodiment, please refer to Figure 3 and Figure 4 The first locking rod 143 and the second locking rod 144 are also fitted with corresponding return elements 145. The return elements 145 are metal springs, so that the metal springs of the return elements 145 are compressed during the locking process. When the locking is completed, the metal springs of the return elements 145 return, so that the elastic potential energy generated during the return process pushes the first locking rod 143 and the second locking rod 144 to return.

[0037] As a preferred embodiment, please refer to Figure 3 The rotating mechanism 170 includes a second rotating drive and a rotating shaft. The second rotating drive is mounted on the support plate 130, and the rotating shaft is connected to the auxiliary plate 150 so that the second rotating drive drives the auxiliary plate 150 to rotate along the rotating shaft. This allows the manual wheelchair body 200 to move along the auxiliary plate 150 to the support plate 130 during the connection with the auxiliary movement assembly 100. Then, the second rotating drive drives the auxiliary plate 150 to rotate so that the auxiliary plate 150 is retracted without affecting the auxiliary movement assembly 100's assistance in moving the manual wheelchair body 200.

[0038] As a preferred embodiment, please refer to Figure 2 and Figure 3The control button 160 has a rectangular structure, and several elastic elements are installed at the bottom of the control button 160. The elastic elements are made of metal springs, so that when the wheel on the manual wheelchair presses against the control button 160, the elastic elements are compressed downward, so that the locking mechanism 140 is activated to lock and fix the wheel. After the lock is released, the elastic potential energy generated by the return of the metal spring pushes the control button 160 upward, while the several elastic elements provide elastic support for the control button 160.

[0039] As a preferred embodiment, please refer to Figure 1 and Figure 2 The front end of the vehicle body 110 is provided with a handle 112, and a control panel 113 is installed in the middle of the handle 112. Several buttons are installed on the control panel 113, and the buttons are respectively connected to the adjustment mechanism 120, the locking mechanism 140 and the rotating mechanism 170, so that the buttons control the adjustment mechanism 120, the locking mechanism 140 and the rotating mechanism 170 to start.

[0040] The working principle of this utility model's auxiliary mobility device for wheelchairs is as follows:

[0041] During the movement of the manual wheelchair assisted by the auxiliary mobility device, the wheelchair user rotates the wheels to guide the wheelchair along the inclined auxiliary plate 150 into the space between the blocking plates 131 on top of the two support plates 130. This allows the manual wheelchair to move along the locking channel between the two blocking plates 131 and abut against the control button 160 at the front end of the support plate 130. The wheels press down on the control button 160, activating the air source unit connected to the control button 160. This air source outputs positive pressure air, which pushes the pistons 142 installed in the connected moving slots 141 to move horizontally. This, in turn, pushes the first and second positioning rods connected to the front ends of the pistons 142 to move horizontally relative to each other and engage, thus securing the wheels of the manual wheelchair and preventing slippage during assisted movement. Simultaneously, the wheelchair user controls the buttons on the control panel 113 on the vehicle body 110 to... The rotating mechanism 170, hinged to the rear end of the support plate 130, is activated, causing the auxiliary plate 150 connected to the second rotation drive shaft on the rotating mechanism 170 to rotate, thereby retracting the auxiliary plate 150 without affecting the auxiliary movement of the wheelchair. Simultaneously, an adjustment mechanism 120 is provided at the connection between the vehicle body 110 on the auxiliary movement device and the two support plates 130, allowing the adjustment mechanism 120 to adjust the distance between the two support plates 130. This enables the movement assistance component to be compatible with different models of manual wheelchairs, thereby improving the assistance efficiency of the auxiliary movement mechanism. Furthermore, the auxiliary movement device in this application features a detachable auxiliary movement component 100. When in use, the auxiliary movement component 100 engages the manual wheelchair with the support plate 130, thus assisting in the movement of the manual wheelchair. When not in use, the manual wheelchair is detached from the auxiliary movement component 100, allowing the wheelchair to be used for daily life, thereby improving the convenience and practicality of the auxiliary movement device.

[0042] The beneficial effects of this utility model of an auxiliary mobility device for wheelchairs are as follows:

[0043] 1. By setting a detachable auxiliary mobility component 100, the manual wheelchair can be attached to the support plate 130 when in use, thereby assisting the movement of the manual wheelchair. When not in use, the manual wheelchair can be detached from the auxiliary mobility component 100 so that the wheelchair can be used for daily use, thereby improving the convenience and practicality of the auxiliary mobility device.

[0044] 2. By setting an adjustment mechanism 120 at the connection between the vehicle body 110 and the two support plates 130, the adjustment mechanism 120 can adjust the distance between the two support plates 130, so that the mobility assistance component can be used for different models of manual wheelchair mobility assistance.

[0045] Third, by providing a locking mechanism 140 inside the baffle plate 131 on each support plate 130, the pistons 142 on the locking mechanism 140 move relative to each other in the horizontal direction and engage under the input of positive pressure gas, thereby locking and fixing the wheels of the manual wheelchair, preventing the wheelchair from sliding during assisted movement, and improving the safety of the assisted movement device for the wheelchair.

[0046] The above description is merely a preferred embodiment of this application and an explanation of the technical principles and solutions employed. Furthermore, the scope of the utility model involved in this application is not limited to the specific combination of the above-described technical features, but should also cover other technical solutions formed by any combination of the above-described technical features or their equivalents without departing from the inventive concept. For example, technical solutions formed by substituting the above features with (but not limited to) technical features with similar functions disclosed in this application.

Claims

1. An assistive mobility device for wheelchairs, characterized in that: Includes an auxiliary mobility component (100), and a manual wheelchair body (200) is snapped onto the auxiliary mobility component (100) for assisting the movement of the manual wheelchair body (200); The auxiliary mobility component (100) includes a vehicle body (110), an adjustment mechanism (120), two support plates (130), and several locking mechanisms (140). The adjustment mechanism (120) is installed at the rear end of the vehicle body (110), and the two support plates (130) are installed side by side and spaced apart on the lead screw (124) of the adjustment mechanism (120) so that the adjustment mechanism (120) is used to adjust the distance between the two support plates (130). Each support plate (130) is equipped with a corresponding blocking plate (131), and two locking mechanisms (140) are installed on the inner side of the two blocking plates (131) so that the locking mechanisms (140) lock the wheels on the manual wheelchair body (200) to prevent the wheelchair from sliding during assisted mobility. An auxiliary plate (150) is hinged to the rear end of the support plate (130) via a rotating mechanism (170) to assist the manual wheelchair body (200) in entering each of the support plates (130); A control button (160) is provided at the front end of the two blocking plates (131) on the support plate (130) for controlling the opening and closing of the locking mechanism (140).

2. The wheelchair-assisted mobility device according to claim 1, characterized in that: The adjustment mechanism (120) includes a first rotation drive (121), a drive gear (122), a driven gear (123), and a lead screw (124). The front ends of the two support plates (130) are equipped with corresponding nuts (132), and the two nuts (132) are screwed onto the lead screw (124). The driven gear (123) is installed in the middle of the lead screw (124). The driven gear (123) meshes with the drive gear (122), and the drive gear (122) is fixedly connected to the output end of the first rotation drive (121) so that the first rotation drive (121) drives the two nuts (132) to move relative to each other along the length direction of the lead screw (124).

3. The wheelchair-assisted mobility device according to claim 2, characterized in that: The vehicle body (110) is also provided with a corresponding slide groove (111), and the two nuts (132) are slidably engaged in the slide groove (111) so that the first rotation drive member (121) drives the two nuts (132) to move relative to each other along the slide groove (111).

4. The wheelchair-assisted mobility device according to claim 1, characterized in that: The front end of the locking channel between the two blocking plates (131) is open, and the wheels of the manual wheelchair are locked into the locking channel.

5. The wheelchair-assisted mobility device according to claim 1, characterized in that: The locking mechanism (140) includes two moving slots (141), two pistons (142), a first locking rod (143), and a second locking rod (144). The moving slots (141) are horizontally arranged on the two blocking plates (131), and each moving slot (141) is equipped with a corresponding piston (142). The first locking rod (143) and the second locking rod (144) are respectively installed at the front end of the two pistons (142), and the first locking rod (143) and the second locking rod (144) are engaged and connected.

6. The wheelchair-assisted mobility device according to claim 5, characterized in that: Each of the moving slots (141) is equipped with an air supply pipe at its rear end. Each air supply pipe is connected to an air source machine so that the air source machine can input a positive pressure air source, thereby pushing the two first locking rods (143) and the second locking rods (144) to move relative to each other in the horizontal direction and then lock them.

7. The wheelchair-assisted mobility device according to claim 5, characterized in that: The first locking lever (143) and the second locking lever (144) are also fitted with corresponding return parts (145), which are used to return the first locking lever (143) and the second locking lever (144).

Images