CN222765379U

CN222765379U - A quick-assembly tractor for wheelchairs

Info

Publication number: CN222765379U
Application number: CN202421394944.7U
Authority: CN
Inventors: 罗大星
Original assignee: Jingmen Rongsi Rehabilitation Assistive Equipment Service Co ltd
Current assignee: Jingmen Rongsi Rehabilitation Assistive Equipment Service Co ltd
Priority date: 2024-06-19
Filing date: 2024-06-19
Publication date: 2025-04-18
Anticipated expiration: 2034-06-19

Abstract

A wheelchair-use quick-assembly tractor comprises a frame (1), the frame (1) is provided with a wheel hub motor (2) and a battery (3) for providing electric energy to the wheel hub motor (2), a pair of handles (4) for controlling the direction of the wheel hub are provided at one end of the top of the frame (1), the frame (1) is provided with a connecting sleeve (5), and the connecting sleeve (5) is provided with a front support frame (6), a front traction rod (7), and a traction seat (8) mounted on the wheelchair frame and matched with the front traction rod (7). The utility model has the advantages that the tractor and the wheelchair are connected in a split type, which is easy to install and convenient for long-distance travel alone; the tractor can be placed independently after being disassembled, and the front traction rod and the traction seat can be quickly connected and separated, which is convenient and quick to use.

Description

Quick assembly tractor for wheelchair

Technical Field

The utility model relates to the technical field of wheelchair auxiliary equipment, in particular to a quick assembly tractor for a wheelchair.

Background

Hand push wheelchair is widely used as a riding instead of walking tool for disabled people and weak people, but the range of motion of a user is limited, long-distance travel cannot be performed, and the use environment of the integrated electric wheelchair is limited to a certain extent, so that the integrated electric wheelchair is not flexible.

Disclosure of utility model

The present utility model aims to overcome the above disadvantages and provide a quick-assembly tractor for wheelchair.

The wheelchair comprises a frame, wherein a hub motor and a battery for providing electric energy for the hub motor are respectively arranged on the frame, a pair of handles for controlling the direction of a hub are arranged at one end of the top of the frame, a connecting sleeve is arranged on the frame, and a locomotive support frame, a locomotive traction rod and a traction seat which is arranged on a wheelchair frame and matched with the locomotive traction rod are respectively arranged on the connecting sleeve.

Be equipped with the connecting seat on the connecting sleeve, the one end of locomotive support frame and locomotive traction lever is articulated on the connecting seat through the pivot respectively, all is equipped with the round pin axle mounting hole on locomotive support frame and the locomotive traction lever, be equipped with a set of regulation locating hole that matches with locomotive support frame and locomotive traction lever round pin axle mounting hole respectively on the connecting seat.

The locomotive support frame is assembled by fixed knot and telescopic joint and forms, and the telescopic joint activity is pegged graft in the fixed knot, is equipped with spacing screw on the fixed knot, is equipped with a set of locking hole with spacing screw matched with on the telescopic joint, telescopic joint bottom one end is equipped with horizontal bracing piece, and the both ends of horizontal bracing piece are equipped with anti-skidding rubber sleeve respectively.

The traction seat comprises a cross beam, the middle part of the cross beam is provided with a connecting rod, the end part of the connecting rod is respectively provided with a fixed hook, a movable hook and a locking hook from front to back, the opening part of the fixed hook is provided with a limit locking rod for limiting the bottom of the traction rod of the locomotive, the traction rod of the locomotive is provided with a pair of positioning shafts respectively matched with the fixed hook and the movable hook,

The movable hook and the locking hook are rotatably arranged on the connecting rod through pin shafts, one ends of the tops of the movable hook and the locking hook are tensioned through springs, and fixed pipe clamps connected with the wheelchair frame are respectively arranged at two ends of the cross beam.

The cross beam is a hollow pipe, a transverse adjusting rod is arranged in the cross beam and movably inserted in the cross beam, locking screws are respectively arranged at the middle part and the two ends of the cross beam, and the fixed pipe clamp is detachably arranged on the transverse adjusting rod.

The fixed pipe clamp is a cross pipe clamp, two ends of the cross beam are respectively provided with a movable pipe sleeve, the movable pipe sleeves are sleeved on the cross beam and are locked through screw rods, and one end of the cross pipe clamp is fixedly connected with the movable pipe sleeves.

The frame is assembled by wheel hub installation department and handle installation department, and wheel hub motor and connecting sleeve all install on wheel hub installation department, and the handle is installed on handle installation department, the activity of handle installation department is pegged graft on wheel hub installation department to through retaining member locking.

The wheelchair has the advantages that the tractor and the wheelchair are connected in a split type, the installation is convenient, the independent long-distance travel is convenient, the tractor can be independently placed after the disassembly, and the locomotive traction rod and the traction seat can be quickly connected and separated, so that the wheelchair is convenient and quick to use.

Drawings

Fig. 1 is a schematic diagram of the structure of the present utility model.

Fig. 2 is a schematic diagram of the structure of the head support and the head drawbar.

Fig. 3 is a schematic drawing of the fifth wheel construction.

Fig. 4 is a schematic view of the usage state structure of the present utility model.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model. It should be noted that like reference numerals and letters refer to like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the embodiments of the present utility model, it should be noted that, if the terms "upper," "lower," "inner," "outer," and the like indicate an azimuth or a positional relationship based on the azimuth or the positional relationship shown in the drawings, or the azimuth or the positional relationship in which the inventive product is conventionally put in use, it is merely for convenience of describing the present utility model and simplifying the description, and does not indicate or imply that the apparatus or element to be referred to must have a specific azimuth, be configured and operated in a specific azimuth, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like in the description of the present utility model, if any, are used for distinguishing between the descriptions and not necessarily for indicating or implying a relative importance.

In the description of the embodiments of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed" and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, integrally connected, mechanically connected, electrically connected, directly connected, indirectly connected through an intermediate medium, or communicating between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

As shown in the drawings, the wheelchair comprises a frame 1, wherein a hub motor 2 and a battery 3 for providing electric energy for the hub motor 2 are respectively arranged on the frame 1, a pair of handles 4 for controlling the hub direction are arranged at one end of the top of the frame 1, a connecting sleeve 5 is arranged on the frame 1, and a locomotive support frame 6, a locomotive traction rod 7 and a traction seat 8 which is arranged on the wheelchair frame and is matched with the locomotive traction rod 7 are respectively arranged on the connecting sleeve 5.

The bottom of the frame 1 is a fork frame structure for installing a hub motor 2, a mud guard is arranged on the fork frame, a car lamp electrically connected with a battery 3 is arranged at the top of the front end of the mud guard, and a power switch and an accelerator speed regulating accelerator handle are arranged on a right handle 4. The left handle 4 is provided with a car light switch and a horn switch, and has the same structure as the existing electric bicycle handle.

The connecting sleeve 5 is movably connected with the frame 1, namely, the connecting sleeve 5 is relatively fixed when the frame 1 rotates, and the locomotive support frame 6 can play a supporting role on the tractor when the tractor is not connected with the wheelchair.

Further, in this case, the two handles 4 are each provided with a brake hand brake for braking the hub of the in-wheel motor 2.

The battery 3 is detachably arranged on the frame 1, so that the frame is convenient to replace, and the battery 3 is used for supplying power to all electronic equipment on the tractor.

Further, a connecting seat 9 is arranged on the connecting sleeve 5, one ends of the headstock support frame 6 and the headstock traction rod 7 are respectively hinged on the connecting seat 9 through rotating shafts, pin shaft mounting holes are formed in the headstock support frame 6 and the headstock traction rod 7, and a group of adjusting and positioning holes matched with the pin shaft mounting holes of the headstock support frame 6 and the headstock traction rod 7 are formed in the connecting seat 9.

Namely, the angle of the locomotive support frame 6 and the angle of the locomotive traction rod 7 can be adjusted on the connecting seat 9, and the locomotive traction rod 7 is connected to the traction seat 8, then the locomotive frame 1 is pushed forwards through the handle 4, and is fixed through the pin shaft after being adjusted to a proper angle. The handle 4 is pushed forward and backward, the head support frame 6 can keep a certain distance with the ground, the distance between the head support frame 6 and the ground is not less than 100mm, and the head support frame 6 is prevented from scratching the ground to be convex in the using process.

Further, the headstock support frame 6 is assembled by fixed joint 10 and telescopic joint 11 and forms, and telescopic joint 11 activity is pegged graft in fixed joint 10, is equipped with spacing screw on the fixed joint 10, is equipped with a set of locking hole with spacing screw matched with on the telescopic joint 11, telescopic joint 11 bottom one end is equipped with horizontal bracing piece 12, and the both ends of horizontal bracing piece 12 are equipped with anti-skidding rubber sleeve respectively.

Namely, the headstock support frame 6 is of a telescopic rod structure and can be used for adjusting the length. The transverse supporting rod 12 and the hub motor 2 form a three-point supporting structure, so that the vehicle head is parked stably, and the anti-slip rubber sleeve can effectively prevent the parked vehicle from sideslip and toppling.

Specifically, the traction seat 8 comprises a cross beam 15, a connecting rod 16 is arranged in the middle of the cross beam 15, a fixed hook 17, a movable hook 18 and a locking hook 19 are respectively arranged at the end part of the connecting rod 16 from front to back, a limit locking rod 20 for limiting the bottom of the traction rod 7 of the locomotive is arranged at the opening part of the fixed hook 17, a pair of positioning shafts 21 respectively matched with the fixed hook 17 and the movable hook 18 are arranged on the traction rod 7 of the locomotive,

The movable hook head 18 and the locking hook head 19 are rotatably arranged on the connecting rod 16 through pin shafts, one ends of the tops of the movable hook head 18 and the locking hook head 19 are tensioned through springs, and two ends of the cross beam 15 are respectively provided with a fixed pipe clamp 22 connected with a wheelchair frame.

One end of the connecting rod 16 is welded on the cross beam 15, the traction seat 8 is fixed on the wheelchair frame through the fixed pipe clamp 22, the locomotive traction rod 7 is inserted under the connecting rod 16 when the locomotive is installed, the two positioning shafts 21 are respectively aligned to the corresponding fixed hook 17 and the movable hook 18,

In this case, the fixed hook 17, the movable hook 18 and the locking hook 19 are two and are symmetrically located at two sides of the connecting rod 16, the hook is located below, and the corresponding positioning shaft 21 also extends to two sides of the locomotive traction rod 7 respectively for being matched with the corresponding hook. The locking hook head 19 is located on the outer side of the movable hook head 18, namely, a positioning shaft 21 located at the front end enters the locking hook head 19 and the movable hook head 18 at the same time, and the movable hook head 18 and the locking hook head 19 have a tensile force in opposite directions under the action of a spring and are used for pushing the entered positioning shaft 21 upwards, so that the locomotive traction rod 7 can be tightly attached to the connecting rod 16. After the connection is completed, the limit locking rod 20 is inserted for limiting the bottom of the vehicle head traction rod 7, and then the assembly of the vehicle head is completed. Conversely, when the tractor is disassembled, the tractor traction rod 7 can be rapidly pulled out from the traction seat 8 by pulling out the limiting locking rod 20 and pulling the locking hook head 19 forwards and then pushing the tractor forwards.

Further, the cross beam 15 is a hollow tube, a transverse adjusting rod 24 is arranged in the cross beam 15, the transverse adjusting rod 24 is movably inserted in the cross beam 15, locking screws are respectively arranged at the middle part and two ends of the cross beam 15, and the fixed pipe clamp 22 is detachably arranged on the transverse adjusting rod 24.

The fixed pipe clamp 22 is a cross pipe clamp, two ends of the cross beam 15 are respectively provided with a movable pipe sleeve 25, the movable pipe sleeve 25 is sleeved on the cross beam 15 and locked by a screw rod, and one end of the cross pipe clamp is fixedly connected with the movable pipe sleeve 25.

The cross beam 15 and the transverse adjusting rod 24 are hollow square tubes, and can be quickly installed and fixed according to the width of the wheelchair frame by combining the movable pipe sleeve 25.

Further, the frame 1 is formed by assembling a hub mounting part and a handle mounting part, the hub motor 2 and the connecting sleeve 5 are both arranged on the hub mounting part, the handle 4 is arranged on the handle mounting part, and the handle mounting part is movably inserted on the hub mounting part and locked by a locking piece. The locking member is a spanner, and the height of the handle 4 can be adjusted according to the habit of a user.

Claims

1. The quick assembly tractor for the wheelchair is characterized by comprising a frame (1), wherein a hub motor (2) and a battery (3) for providing electric energy for the hub motor (2) are respectively arranged on the frame (1), a pair of handles (4) for controlling the hub direction are arranged at one end of the top of the frame (1), a connecting sleeve (5) is arranged on the frame (1), and a locomotive support frame (6), a locomotive traction rod (7) and a traction seat (8) which is arranged on the wheelchair frame and matched with the locomotive traction rod (7) are respectively arranged on the connecting sleeve (5);

The traction seat (8) comprises a cross beam (15), a connecting rod (16) is arranged in the middle of the cross beam (15), a fixed hook (17), a movable hook (18) and a locking hook (19) are respectively arranged at the end part of the connecting rod (16) from front to back, a limiting locking rod (20) used for limiting the bottom of a locomotive traction rod (7) is arranged at the opening part of the fixed hook (17), a pair of positioning shafts (21) which are respectively matched with the fixed hook (17) and the movable hook (18) are arranged on the locomotive traction rod (7), the movable hook (18) and the locking hook (19) are rotatably arranged on the connecting rod (16) through pin shafts, the top ends of the movable hook (18) and the locking hook (19) are tensioned through springs, and fixed pipe clamps (22) connected with a wheelchair frame are respectively arranged at two ends of the cross beam (15).

2. The quick assembly tractor for wheelchairs according to claim 1, characterized in that a connecting seat (9) is arranged on the connecting sleeve (5), one ends of the headstock support frame (6) and the headstock traction rod (7) are hinged on the connecting seat (9) through rotating shafts respectively, pin shaft mounting holes are formed in the headstock support frame (6) and the headstock traction rod (7), and a group of adjusting and positioning holes matched with the pin shaft mounting holes of the headstock support frame (6) and the headstock traction rod (7) are formed in the connecting seat (9).

3. The quick assembly tractor for wheelchairs according to claim 2, characterized in that the locomotive support frame (6) is formed by assembling a fixed joint (10) and an expansion joint (11), the expansion joint (11) is movably inserted into the fixed joint (10), a limit screw is arranged on the fixed joint (10), a group of locking holes matched with the limit screw are formed in the expansion joint (11), a transverse support rod (12) is arranged at one end of the bottom of the expansion joint (11), and anti-slip rubber sleeves are respectively arranged at two ends of the transverse support rod (12).

4. The quick assembly tractor for wheelchairs according to claim 1, characterized in that the cross beam (15) is a hollow tube, a transverse adjusting rod (24) is arranged in the cross beam (15), the transverse adjusting rod (24) is movably inserted into the cross beam (15), locking screws are respectively arranged at the middle part and the two ends of the cross beam (15), and the fixed pipe clamp (22) is detachably arranged on the transverse adjusting rod (24).

5. The quick assembly tractor for wheelchairs according to claim 4, wherein the fixed pipe clamps (22) are cross pipe clamps, movable pipe sleeves (25) are respectively arranged at two ends of the cross beam (15), the movable pipe sleeves (25) are sleeved on the cross beam (15) and locked by screw rods, and one ends of the cross pipe clamps are fixedly connected with the movable pipe sleeves (25).

6. The wheelchair rapid-assembly tractor according to claim 1, characterized in that the frame (1) is assembled by a hub mounting part and a handle mounting part, the hub motor (2) and the connecting sleeve (5) are both mounted on the hub mounting part, the handle (4) is mounted on the handle mounting part, and the handle mounting part is movably inserted on the hub mounting part and locked by a locking member.