Manual and electric wheelchair structure

Abstract

The utility model provides a manual and electric wheelchair structure, and belongs to the technical field of wheelchairs. The manual and electric wheelchair structure comprises a main frame, a driving mechanism and a cleaning mechanism, a cushion is fixedly installed on the surface of the main frame, wheels are symmetrically and rotationally installed on the side wall of the main frame, manual wheels are fixedly installed on the side walls of the wheels, the driving mechanism comprises a guide rod, a sliding frame and driving wheels, and the guide rod is fixedly installed in an inner cavity of the main frame; the sliding frame is installed between the main frame and the guide rod in a sliding mode. Through the arrangement of the driving mechanism, the wheels can be manually driven to rotate through the manual wheel during short-distance use at home, and use is convenient; when a user goes out for long-distance use, an electric telescopic rod drives a sliding frame to move towards a wheel, a driving wheel is made to be tightly attached to the side wall of the wheel, then a motor drives a rotating shaft to rotate, a sleeve rod can be driven to rotate through spline teeth and spline grooves, a second gear and a first gear are driven to rotate, finally the driving wheel is driven to rotate, and the wheel is driven; the use is convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of wheelchairs, in particular to a manual and electric wheelchair structure. Background Art

[0002] With the development of China's economy and the progress of society, the society has gradually paid more attention to vulnerable groups such as the elderly and the disabled. In the market, there are more and more life-assistive devices for the disabled and the elderly, and they are becoming more and more humane. In particular, there are many types of wheelchairs serving the disabled and the elderly on the market, with various functions and assistive devices adapted to different usage environments. While serving the disabled and the elderly with different needs, with the improvement of living standards, wheelchairs are increasingly accompanying the disabled and the elderly in their daily lives.

[0003] Existing wheelchairs are mainly divided into manual wheelchairs and electric wheelchairs. Manual wheelchairs have a simple structure, are lightweight, and are convenient for home use, while electric wheelchairs are more suitable for long-distance use. The two are incompatible, resulting in a certain amount of resource waste. Utility Model Content

[0004] In order to make up for the above deficiencies, the utility model provides a manual and electric wheelchair structure that overcomes the above technical problems or at least partially solves the above problems.

[0005] The utility model is achieved in this way:

[0006] The utility model provides a manual and electric wheelchair structure, comprising a main frame, a driving mechanism and a cleaning mechanism, wherein a seat cushion is fixedly mounted on the surface of the main frame, wheels are symmetrically mounted on the side walls of the main frame, manual wheels are fixedly mounted on the side walls of the wheels, and the driving mechanism comprises

[0007] A guide rod, the guide rod is fixedly installed in the inner cavity of the main frame;

[0008] A slide frame, wherein the slide frame is slidably mounted between the main frame and the guide rod;

[0009] A driving wheel is rotatably mounted on the side wall of the slide and is used to drive the wheel.

[0010] In a preferred solution, an electric telescopic rod is fixedly installed in the inner cavity of the main frame, and the telescopic end of the electric telescopic rod is fixedly connected to the slide.

[0011] In a preferred solution, a first gear is fixedly mounted on one end of the driving wheel, a sleeve rod is rotatably mounted in the inner cavity of the slide, a second gear is fixedly mounted on one end of the sleeve rod, and the first gear is meshed with the second gear.

[0012] In a preferred solution, a spline groove is provided in the inner cavity of the sleeve rod, a motor is fixedly installed in the inner cavity of the main frame, a rotating shaft is fixedly installed at the output end of the motor, spline teeth are fixedly installed on the surface of the rotating shaft, and the spline teeth are slidably inserted in the inner cavity of the sleeve rod.

[0013] In a preferred solution, a battery is fixedly installed in the inner cavity of the main frame, and the battery is electrically connected to the motor and the electric telescopic rod respectively.

[0014] In a preferred solution, the cleaning mechanism includes a swivel, a connecting rod and a cleaning roller. The swivel is rotatably mounted on the side wall of the slide, a connecting rod is fixedly mounted on the surface of the swivel, and a cleaning roller is rotatably mounted on the other end of the connecting rod.

[0015] In a preferred solution, a first pulley is fixedly mounted on the side wall of the cleaning roller, a second pulley is fixedly mounted on the side wall of the driving wheel, and a belt is connected between the first pulley and the second pulley.

[0016] In a preferred embodiment, a slide rod is fixedly mounted on the surface of the slide frame, a slider is slidably mounted on the surface of the slide rod, a limit ring is rotatably mounted on the side wall of the slider, the limit ring is sleeved on the surface of the connecting rod, a spring is sleeved on the surface of the slide rod, one end of the spring is fixedly connected to the slide frame, and the other end of the spring is fixedly connected to the slider.

[0017] The utility model provides a manual and electric wheelchair structure, and its beneficial effects include:

[0018] 1. By setting up a driving mechanism, when using it at home for a short distance, the wheel can be manually driven to rotate through the manual wheel, which is convenient to use; when using it for a long distance outdoors, the slide is driven to move toward the wheel through the electric telescopic rod, so that the driving wheel is close to the side wall of the wheel, and then the motor drives the shaft to rotate, and the spline teeth and spline grooves can drive the sleeve rod to rotate, driving the second gear and the first gear to rotate, and finally driving the driving wheel to rotate, so as to drive the wheel, which is convenient to use.

[0019] 2. By setting up a cleaning mechanism, when the driving wheel drives the wheel to rotate, the second pulley is driven to rotate synchronously, thereby driving the first pulley and the cleaning roller to rotate, and under the action of the spring, the driving slider moves toward the wheel direction, thereby pushing the connecting rod to rotate toward the wheel direction through the limiting ring, so that the cleaning roller sticks to the wheel surface, cleans and dusts the wheel, and avoids slipping between the driving wheel and the wheel. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for use in the embodiments are briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present utility model, and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without creative work.

[0021] Figure 1 It is a stereogram provided by the embodiment of the utility model;

[0022] Figure 2 A side perspective view provided for an embodiment of the utility model;

[0023] Figure 3 An exploded view provided for an embodiment of the utility model;

[0024] Figure 4 A side view of a slide provided for an embodiment of the utility model;

[0025] In the figure: 1. main frame; 2. seat cushion; 3. wheel; 4. manual wheel; 5. driving mechanism; 501. guide rod; 502. slide; 503. electric telescopic rod; 504. driving wheel; 505. first gear; 506. sleeve rod; 507. second gear; 508. spline groove; 509. motor; 510. rotating shaft; 511. spline teeth; 512. battery; 6. cleaning mechanism; 601. swivel; 602. connecting rod; 603. cleaning roller; 604. first pulley; 605. second pulley; 606. slide rod; 607. slider; 608. limit ring; 609. spring. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical solution and advantages of the implementation of the utility model clearer, the technical solution in the implementation of the utility model will be clearly and completely described below in conjunction with the drawings in the implementation of the utility model. Obviously, the described implementation is a part of the implementation of the utility model, not all of the implementations. Based on the implementation of the utility model, all other implementations obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] Reference Figure 1-4The utility model provides a technical solution: a manual and electric wheelchair structure, including a main frame 1, a driving mechanism 5 and a cleaning mechanism 6, a seat cushion 2 is fixedly installed on the surface of the main frame 1, wheels 3 are symmetrically rotatably installed on the side walls of the main frame 1, manual wheels 4 are fixedly installed on the side walls of the wheels 3, and are used to manually drive the wheels 3 to rotate, the driving mechanism 5 includes a guide rod 501, a slide 502 and a driving wheel 504, the guide rod 501 is fixedly installed in the inner cavity of the main frame 1, the slide 502 is slidably installed between the main frame 1 and the guide rod 501, an electric telescopic rod 503 is fixedly installed in the inner cavity of the main frame 1, the telescopic end of the electric telescopic rod 503 is fixedly connected to the slide 502, and is used to drive the slide 502, and the driving wheel 504 is rotatably installed on the side wall of the slide 502, and is used to drive the wheels 3.

[0028] Reference Figure 1-3 In a preferred embodiment, a first gear 505 is fixedly installed at one end of the driving wheel 504 for driving the driving wheel 504 , a sleeve rod 506 is rotatably installed in the inner cavity of the slide 502 , a second gear 507 is fixedly installed at one end of the sleeve rod 506 , and the first gear 505 is meshed with the second gear 507 .

[0029] Reference Figure 1-3 In a preferred embodiment, a spline groove 508 is provided in the inner cavity of the sleeve rod 506, a motor 509 is fixedly installed in the inner cavity of the main frame 1, a rotating shaft 510 is fixedly installed at the output end of the motor 509, a spline tooth 511 is fixedly installed on the surface of the rotating shaft 510, and the spline tooth 511 is slidably inserted in the inner cavity of the sleeve rod 506. When the motor 509 drives the rotating shaft 510 to rotate, the sleeve rod 506 can be driven to rotate through the spline tooth 511 and the spline groove 508. A battery 512 is fixedly installed in the inner cavity of the main frame 1, and the battery 512 is electrically connected to the motor 509 and the electric telescopic rod 503 respectively, and is used to supply power to the motor 509 and the electric telescopic rod 503.

[0030] In a preferred embodiment, when used at home for a short distance, the wheel 3 can be manually driven to rotate by the manual wheel 4, which is convenient for use; when used outside for a long distance, the slide 502 is driven to move toward the wheel 3 by the electric telescopic rod 503, so that the driving wheel 504 is close to the side wall of the wheel 3, and then the rotating shaft 510 is driven to rotate by the motor 509, and the sleeve rod 506 can be driven to rotate by the spline teeth 511 and the spline groove 508, driving the second gear 507 and the first gear 505 to rotate, and finally driving the driving wheel 504 to rotate, thereby driving the wheel 3 for easy use.

[0031] Reference Figure 1-4In a preferred embodiment, the cleaning mechanism 6 includes a swivel 601, a connecting rod 602 and a cleaning roller 603. The swivel 601 is rotatably mounted on the side wall of the slide 502. The connecting rod 602 is fixedly mounted on the surface of the swivel 601. The cleaning roller 603 is rotatably mounted on the other end of the connecting rod 602 for cleaning and dust removal of the wheel 3.

[0032] Reference Figure 1-4 In a preferred embodiment, a first pulley 604 is fixedly mounted on the side wall of the cleaning roller 603, a second pulley 605 is fixedly mounted on the side wall of the driving wheel 504, and a belt is connected between the first pulley 604 and the second pulley 605 for driving the cleaning roller 603 to rotate.

[0033] Reference Figure 1-4 In a preferred embodiment, a slide bar 606 is fixedly installed on the surface of the slide 502, and a slider 607 is slidably installed on the surface of the slide bar 606. A limit ring 608 is rotatably installed on the side wall of the slider 607. The limit ring 608 is sleeved on the surface of the connecting rod 602 to drive the connecting rod 602 to rotate in the direction of the wheel 3. A spring 609 is sleeved on the surface of the slide bar 606, one end of the spring 609 is fixedly connected to the slide 502, and the other end of the spring 609 is fixedly connected to the slider 607. Under the action of the spring 609, the slider 607 is driven to move in the direction of the wheel 3, thereby pushing the connecting rod 602 to rotate in the direction of the wheel 3 through the limit ring 608, so that the cleaning roller 603 is attached to the surface of the wheel 3 to clean and remove dust from the wheel 3.

[0034] In a preferred embodiment, when the driving wheel 504 drives the wheel 3 to rotate, the second pulley 605 is driven to rotate synchronously, thereby driving the first pulley 604 and the cleaning roller 603 to rotate, and under the action of the spring 609, the driving slider 607 moves toward the direction of the wheel 3, thereby pushing the connecting rod 602 to rotate toward the direction of the wheel 3 through the limiting ring 608, so that the cleaning roller 603 sticks to the surface of the wheel 3, cleans and removes dust from the wheel 3, and prevents the driving wheel 504 and the wheel 3 from slipping.

[0035] Specifically, the working process or working principle of this manual and electric wheelchair structure is: when in use, when used at home for a short distance, the wheel 3 can be manually driven to rotate through the manual wheel 4, which is convenient for use; when used for a long distance outdoors, the slide 502 is driven to move toward the wheel 3 through the electric telescopic rod 503, so that the driving wheel 504 is close to the side wall of the wheel 3, and then the rotating shaft 510 is driven to rotate through the motor 509, and the sleeve rod 506 can be driven to rotate through the spline teeth 511 and the spline groove 508, driving the second gear 507 and the first gear 505 to rotate, and finally driving the driving wheel 504 to rotate, thereby driving the wheel 3 for easy use.

[0036] When the driving wheel 504 drives the wheel 3 to rotate, the second pulley 605 is driven to rotate synchronously, thereby driving the first pulley 604 and the cleaning roller 603 to rotate, and under the action of the spring 609, the driving slider 607 moves toward the wheel 3, thereby pushing the connecting rod 602 to rotate toward the wheel 3 through the limiting ring 608, so that the cleaning roller 603 sticks to the surface of the wheel 3, cleans and removes dust from the wheel 3, and prevents the driving wheel 504 and the wheel 3 from slipping.

[0037] The above are only preferred embodiments of the present invention and are 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.

[0038] It should be noted that the electric telescopic rod 503, the motor 509 and the battery 512 are devices or equipment existing in the prior art, or are devices or equipment that can be realized in the prior art. Their power supply, specific composition and principles are clear to those skilled in the art, so they are not described in detail.

Claims

1. A manual and electric wheelchair structure, characterized in that: The invention comprises a main frame (1), a driving mechanism (5) and a cleaning mechanism (6); a cushion (2) is fixedly mounted on the surface of the main frame (1); a wheel (3) is symmetrically mounted on the side wall of the main frame (1); a manual wheel (4) is fixedly mounted on the side wall of the wheel (3); and the driving mechanism (5) comprises A guide rod (501), wherein the guide rod (501) is fixedly mounted in the inner cavity of the main frame (1); A slide frame (502), wherein the slide frame (502) is slidably mounted between the main frame (1) and the guide rod (501); A driving wheel (504) is rotatably mounted on a side wall of the carriage (502) and is used to drive the wheel (3).

2. A manual and electric wheelchair structure according to claim 1, characterized in that: An electric telescopic rod (503) is fixedly installed in the inner cavity of the main frame (1), and the telescopic end of the electric telescopic rod (503) is fixedly connected to the sliding frame (502).

3. A manual and electric wheelchair structure according to claim 1, characterized in that: A first gear (505) is fixedly mounted on one end of the driving wheel (504), a sleeve rod (506) is rotatably mounted in the inner cavity of the slide (502), a second gear (507) is fixedly mounted on one end of the sleeve rod (506), and the first gear (505) is meshed with the second gear (507).

4. A manual and electric wheelchair structure according to claim 3, characterized in that: The inner cavity of the sleeve rod (506) is provided with a spline groove (508), the inner cavity of the main frame (1) is fixedly installed with a motor (509), the output end of the motor (509) is fixedly installed with a rotating shaft (510), the surface of the rotating shaft (510) is fixedly installed with spline teeth (511), and the spline teeth (511) are slidably inserted in the inner cavity of the sleeve rod (506).

5. A manual and electric wheelchair structure according to claim 4, characterized in that: A storage battery (512) is fixedly installed in the inner cavity of the main frame (1), and the storage battery (512) is electrically connected to the motor (509) and the electric telescopic rod (503) respectively.

6. A manual and electric wheelchair structure according to claim 1, characterized in that: The cleaning mechanism (6) comprises a rotating ring (601), a connecting rod (602) and a cleaning roller (603); the rotating ring (601) is rotatably mounted on the side wall of the slide (502); the connecting rod (602) is fixedly mounted on the surface of the rotating ring (601); and the cleaning roller (603) is rotatably mounted on the other end of the connecting rod (602).

7. A manual and electric wheelchair structure according to claim 6, characterized in that: A first belt pulley (604) is fixedly mounted on the side wall of the cleaning roller (603), and a second belt pulley (605) is fixedly mounted on the side wall of the driving wheel (504), and a belt is connected between the first belt pulley (604) and the second belt pulley (605).

8. The manual and electric wheelchair structure according to claim 7, characterized in that: A slide rod (606) is fixedly mounted on the surface of the slide rack (502), a slider (607) is slidably mounted on the surface of the slide rod (606), a limit ring (608) is rotatably mounted on the side wall of the slider (607), the limit ring (608) is sleeved on the surface of the connecting rod (602), a spring (609) is sleeved on the surface of the slide rod (606), one end of the spring (609) is fixedly connected to the slide rack (502), and the other end of the spring (609) is fixedly connected to the slider (607).

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