Electric wheelchair with quickly-detached driving wheels

Abstract

The utility model discloses an electric wheelchair with a quickly-detached driving wheel, which particularly relates to the technical field of electric wheelchairs and comprises an electric wheelchair main body, a power box arranged in the middle of the lower end of the electric wheelchair main body, an electric wheel support arranged on the outer side of the lower end of the electric wheelchair main body, and a driving wheel arranged on one side of the lower end of the electric wheel support. A supporting sleeve is arranged on one side of the lower end of the electric wheel support, and a supporting rotating rod is arranged in the supporting sleeve. In the actual use process, under the corresponding arrangement state of the installation sliding hole, the installation clamping groove, the driving installation rod, the limiting clamping groove and the limiting clamping piece, the driving wheel can be conveniently and rapidly installed and fixed, and meanwhile the installation stability of the driving wheel can be effectively improved; and meanwhile, under the corresponding arrangement state of a first driving gear, a supporting sleeve, a second driving gear and a supporting rotating rod, the stability of driving a driving wheel to rotate by a driving motor can be effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field of electric wheelchairs, and more specifically, to a quick-detachable electric wheelchair with driving wheels. Background Art

[0002] Electric wheelchairs are modified and upgraded on the basis of traditional manual wheelchairs by adding high-performance power drive devices, intelligent control devices, batteries and other components. They are equipped with manually operated intelligent controllers, which can drive the wheelchair to complete various functions such as forward, backward, turning, standing, lying down, etc. They are new-generation intelligent wheelchairs that are high-tech products that combine modern precision machinery, intelligent numerical control, engineering mechanics and other fields. The main driving wheels of electric wheelchairs are prone to damage and damage during long-term use. When the driving wheels need to be disassembled and repaired, it is currently inconvenient to disassemble electric wheelchairs. When repairing the driving wheels, the operation is cumbersome, which increases the workload of maintenance personnel. In view of this situation, a quick-detachable electric wheelchair with driving wheels is proposed. Utility Model Content

[0003] In order to overcome the above-mentioned defects of the prior art, the utility model provides an electric wheelchair with quick-detachable driving wheels. The technical problem to be solved by the utility model is: how to increase the convenience of installing and disassembling the driving wheels of the electric wheelchair.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a driving wheel quick-detachable electric wheelchair, comprising an electric wheelchair body, a power supply box is provided in the middle of the lower end of the electric wheelchair body, an electric wheel bracket is provided on the outer side of the lower end of the electric wheelchair body, a driving wheel is provided on one side of the lower end of the electric wheel bracket, a support sleeve is provided on one side of the lower end of the electric wheel bracket, a supporting rotating rod is provided inside the supporting sleeve, and a second driving gear is provided on the outer end surface of the supporting rotating rod on the side close to the supporting sleeve;

[0005] A driving mounting rod is provided in the middle of one end of the supporting rotating rod, a limiting slot is provided on the outer end surface of the driving mounting rod, a limiting clamp is provided inside the limiting slot, a mounting sliding hole is provided in the middle of the driving wheel, and a mounting slot is provided on the inner end surface of the mounting sliding hole.

[0006] In a preferred embodiment, a steering wheel is provided at the lower end of the electric wheel bracket on a side close to the driving wheel, and a driving motor is provided at the upper side of the electric wheel bracket close to the supporting sleeve;

[0007] A first driving gear is disposed at the outer end of the output shaft of the driving motor, and a mounting nut is disposed at one side of the outer end surface of the driving mounting rod.

[0008] In a preferred embodiment, the number of the steering wheels is two, and they are arranged in a mirror image state on both sides of the transverse central axis in the top view direction of the electric wheel bracket;

[0009] The driving motor is electrically connected to the power box, and the first driving gear and the second driving gear are adapted to each other through gear meshing.

[0010] In a preferred embodiment, the number of the driving motor, the driving wheel, the first driving gear, the supporting sleeve and the second driving gear are all two, and they are arranged in a mirror image state on both sides of the transverse central axis in the top view direction of the electric wheel bracket;

[0011] The inner end surface of the support sleeve is matched with the outer end surface of the support rotating rod, and the support rotating rod extends from one end surface of the support sleeve to the other end surface thereof.

[0012] In a preferred embodiment, the number of the limit slots and the installation slots is multiple, and they are arranged in a circular array state corresponding to the outer side of the center point of the driving installation rod and the driving wheel in the main viewing direction;

[0013] The outer end surface of the limit card piece is matched with the inner end surfaces of the limit card slot and the installation card slot.

[0014] In a preferred embodiment, the diameter of the outer end surface of the limit clamp is arranged in a stepped state from left to right, and the outer end surface of the drive mounting rod is adapted to the inner end surface of the mounting sliding hole;

[0015] One side of the outer end surface of the drive mounting rod is provided with an external thread, and the mounting nut is connected to the drive mounting rod through threads.

[0016] Technical effects and advantages of the utility model:

[0017] When the utility model is actually used, the driving wheel can be quickly installed and fixed by setting the installation slide hole, the installation slot, the driving installation rod, the limit slot and the limit card piece in a corresponding manner, and the stability of the driving wheel installation can be effectively increased. At the same time, the stability of the driving wheel rotation driven by the driving motor can be effectively increased when the first driving gear, the supporting sleeve, the second driving gear and the supporting rotating rod are in a corresponding manner. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0019] Figure 2 It is a schematic diagram of the local structure of the utility model.

[0020] Figure 3 This is a schematic diagram of the bottom structure of the driving wheel of the utility model.

[0021] Figure 4 This is a schematic diagram of the drive wheel connection structure of the utility model.

[0022] The accompanying drawings are marked as: 1 electric wheelchair body, 2 driving wheel, 3 steering wheel, 4 power box, 5 electric wheel bracket, 6 driving motor, 7 first driving gear, 8 supporting sleeve, 9 second driving gear, 10 supporting rotating rod, 11 driving mounting rod, 12 mounting slide hole, 13 mounting slot, 14 limiting clip, 15 mounting nut, 16 limiting slot. DETAILED DESCRIPTION

[0023] The utility model provides a driving wheel quick-detachable electric wheelchair, such as Figure 1 , 2 As shown in and 3, it includes an electric wheelchair body 1, a power box 4 is provided in the middle of the lower end thereof, an electric wheel bracket 5 is provided on the outer side of the lower end of the electric wheel bracket 1, a driving wheel 2 is provided on one side of the lower end of the electric wheel bracket 5, a support sleeve 8 is provided on one side of the lower end of the electric wheel bracket 5, a steering wheel 3 is provided on the side of the lower end of the electric wheel bracket 5 close to the driving wheel 2, a driving motor 6 is provided on the upper side of the electric wheel bracket 5 close to the support sleeve 8, a first driving gear 7 is provided on the outer end of the output shaft of the driving motor 6, two steering wheels 3 are provided, and are mirror-imaged on both sides of the transverse central axis of the electric wheel bracket 5 in a top view direction, and the driving motor 6 is electrically connected to the power box 4.

[0024] like Figure 4 As shown, a support rotating rod 10 is provided inside the support sleeve 8, and a second driving gear 9 is provided on the outer end surface of the support rotating rod 10 on a side close to the support sleeve 8, and a driving mounting rod 11 is provided in the middle of one end of the support rotating rod 10, and a limiting card slot 16 is provided on the outer end surface of the driving mounting rod 11, and a limiting card member 14 is provided inside the limiting card slot 16;

[0025] A mounting slide hole 12 is provided in the middle of the driving wheel 2, a mounting slot 13 is provided on the inner end surface of the mounting slide hole 12, a mounting nut 15 is provided on one side of the outer end surface of the driving mounting rod 11, the first driving gear 7 and the second driving gear 9 are adapted to each other through gear meshing, and the number of the driving motor 6, the driving wheel 2, the first driving gear 7, the supporting sleeve 8 and the second driving gear 9 are all two, and they are arranged in a mirror image state on both sides of the transverse central axis in the top view direction of the electric wheel bracket 5;

[0026] The inner end surface of the support sleeve 8 is matched with the outer end surface of the support rotating rod 10, and the support rotating rod 10 extends from one end surface of the support sleeve 8 to the other end surface thereof. The number of the limit slots 16 and the mounting slots 13 is provided in plurality, and they are arranged in a circular array state corresponding to the outer side of the center point of the main viewing direction of the driving mounting rod 11 and the driving wheel 2;

[0027] The outer end surface of the limit card 14 is adapted to the inner end surfaces of the limit card slot 16 and the mounting card slot 13. The diameter of the outer end surface of the limit card 14 is arranged in a stepped state from left to right. The outer end surface of the drive mounting rod 11 is adapted to the inner end surface of the mounting slide hole 12. One side of the outer end surface of the drive mounting rod 11 is provided with an external thread, and the mounting nut 15 is connected to the drive mounting rod 11 by threads.

[0028] Working principle of this utility model:

[0029] When the driving wheel of the utility model is disassembled and assembled, the staff removes the mounting nut 15 through external equipment, and then the staff can remove the driving wheel 2, thereby facilitating the maintenance and replacement of the driving wheel 2. At the same time, when installing the driving wheel 2, the staff installs the driving wheel 2 on the outer end surface of the driving mounting rod 11 and inserts the limiting card 14 into the outer end surfaces of the mounting groove 13 and the limiting groove 16, and then the mounting nut 15 can be installed on the outer end surface of the driving mounting rod 11. The mounting nut 15 can be installed after it is stabilized.

[0030] Finally, a few points should be explained: the drawings of the embodiments disclosed in the present utility model only involve structures related to the embodiments disclosed in the present utility model, and other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of the present utility model can be combined with each other;

[0031] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A quick-release electric wheelchair with driving wheels, characterized in that: include: An electric wheelchair body (1) is provided with a power supply box (4) in the middle of its lower end, an electric wheel bracket (5) is provided on the outer side of the lower end of the electric wheel bracket (1), a driving wheel (2) is provided on one side of the lower end of the electric wheel bracket (5), a support sleeve (8) is provided on one side of the lower end of the electric wheel bracket (5), a support rotating rod (10) is provided inside the support sleeve (8), and a second driving gear (9) is provided on the outer end surface of the support rotating rod (10) on the side close to the support sleeve (8); A driving mounting rod (11) is provided in the middle of one end of the supporting rotating rod (10), a limiting card slot (16) is provided on the outer end surface of the driving mounting rod (11), a limiting card member (14) is provided inside the limiting card slot (16), a mounting sliding hole (12) is provided in the middle of the driving wheel (2), and a mounting card slot (13) is provided on the inner end surface of the mounting sliding hole (12).

2. The electric wheelchair with quick-release drive wheels according to claim 1, characterized in that: A steering wheel (3) is provided at the lower end of the electric wheel bracket (5) on a side close to the driving wheel (2), and a driving motor (6) is provided at the upper side of the electric wheel bracket (5) close to the supporting sleeve (8); A first driving gear (7) is provided at the outer end of the output shaft of the driving motor (6), and a mounting nut (15) is provided at one side of the outer end surface of the driving mounting rod (11).

3. The electric wheelchair with quick-release drive wheels according to claim 2, characterized in that: The number of the steering wheels (3) is two, and they are arranged in a mirror image state on both sides of the transverse central axis of the electric wheel bracket (5) in a top-view direction; The driving motor (6) is electrically connected to the power supply box (4), and the first driving gear (7) and the second driving gear (9) are adapted to each other through gear meshing.

4. The electric wheelchair with quick-release drive wheels according to claim 2, characterized in that: The driving motor (6), the driving wheel (2), the first driving gear (7), the supporting sleeve (8) and the second driving gear (9) are each provided with two, and are arranged in a mirror image state on both sides of the transverse central axis in the top view direction of the electric wheel bracket (5); The inner end surface of the support sleeve (8) is matched with the outer end surface of the support rotating rod (10), and the support rotating rod (10) extends from one end surface of the support sleeve (8) to the other end surface thereof.

5. The electric wheelchair with quick-release driving wheels according to claim 1, characterized in that: The number of the limit slots (16) and the installation slots (13) is plural, and they are arranged in a circular array state on the outside of the center point of the main viewing direction of the driving installation rod (11) and the driving wheel (2); The outer end surface of the limit clamp (14) is matched with the inner end surfaces of the limit clamp groove (16) and the installation clamp groove (13).

6. The electric wheelchair with quick-release driving wheels according to claim 2, characterized in that: The diameter of the outer end surface of the limit clamp (14) is arranged in a stepped state from left to right, and the outer end surface of the drive mounting rod (11) is adapted to the inner end surface of the mounting sliding hole (12); One side of the outer end surface of the drive mounting rod (11) is provided with an external thread, and the mounting nut (15) is connected to the drive mounting rod (11) via a thread.

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