Wheelchair convenient for going in and out of door

By setting up an inverted "eight" shaped oblique rod on the wheelchair, the side of the rear wheel is flush with the side of the wheelchair, the problem of inconvenience in use of the wheelchair in the door or in a narrow place is solved, and convenience and practicality are improved.

CN222788033UActive Publication Date: 2025-04-25JIANGSU HONGKAI MEDICAL TECH CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202421395635.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-19
Publication Date
2025-04-25
Estimated Expiration
2034-06-19

AI Technical Summary

Technical Problem

The side of the rear wheel of the existing wheelchair is protruding, causing inconvenience to the wheelchair when passing through the door or entering a narrow place.

Method used

A wheelchair is designed, and the sides of the rear wheels are flush with the sides of the entire wheelchair by providing an inverted "eight" shaped oblique rod, thereby reducing the overall volume of the wheelchair.

Benefits of technology

This design allows wheelchairs to easily pass through doors and access to narrow places, improving the convenience and practicality of use.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN222788033U_ABST
    Figure CN222788033U_ABST
Patent Text Reader

Abstract

The utility model discloses a wheelchair convenient for going in and out of a door, which comprises two bottom support rods distributed in parallel, a straight rod arranged on the upper surfaces of the rear ends of the two bottom support rods, an inclined rod arranged at the top end of the straight rod, a rear support rod arranged at the top end of the inclined rod, and a second bent rod arranged at the front end of the bottom support rod. A front supporting rod is arranged at the end of the second bent rod, and a front wheel is arranged at the bottom of the front supporting rod. The two inclined rods are arranged in the inverted splayed shape, namely the inner splayed shape, so that the side faces of the rear wheels are flush with the side faces of the whole wheelchair, the wheelchair can easily pass through a door and a narrow place, use convenience is improved, and practicability is high.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model belongs to the technical field of wheelchairs, and in particular relates to a wheelchair which is convenient for entering and exiting a door. Background Art

[0002] A wheelchair is a chair with wheels that can help replace walking. It is an important means of transportation for the injured, sick, and disabled to recover at home, be transported around, see a doctor, and go out for activities. Wheelchairs not only meet the needs of people with physical disabilities and mobility impairments, but more importantly, they facilitate family members to move and take care of patients, and enable patients to exercise and participate in social activities with the help of wheelchairs.

[0003] The rear wheels of existing wheelchairs are all added laterally, and the side surfaces of the rear wheels protrude from the side surfaces of the entire wheelchair, thereby increasing the overall volume of the wheelchair, making it inconvenient for the wheelchair to pass through doors and into narrow places. Utility Model Content

[0004] The utility model aims to provide a wheelchair which is convenient for entering and exiting a door, so as to solve the technical problems raised in the background technology.

[0005] To achieve the above-mentioned purpose, the specific technical scheme of the utility model is as follows: a wheelchair that is easy to enter and exit the door, comprising two bottom support rods distributed in parallel, straight rods are arranged on the upper surfaces of the rear ends of the two bottom support rods, oblique rods are arranged on the top ends of the straight rods, and a rear support rod is arranged on the top ends of the oblique rods, a second curved rod is arranged on the front ends of the bottom support rods, a front support rod is arranged on the ends of the second curved rods, a front wheel is arranged on the bottom of the front support rods, a rear wheel is arranged on the rear end side walls of the bottom support rods, a seat cushion is arranged between the rear support rods and the front support rods, a handrail rod is arranged between the top ends of the front support rods and the side walls of the rear support rods, and a baffle is arranged between the top ends of the front support rods and the side walls of the rear support rods and below the handrail rods, and the baffle and the side walls of the front and rear wheels are all in the same plane.

[0006] Preferably, a first curved rod is provided at the rear end of the bottom support rod, and an auxiliary wheel is provided at the bottom of the first curved rod.

[0007] Preferably, the two oblique rods form an inverted figure eight shape.

[0008] Preferably, the first curved rod is bent obliquely downward.

[0009] Preferably, the second curved rod is bent outward, and the front support rod and the rear support rod are located in the same plane.

[0010] Preferably, a push handle is provided at the top end of the rear support rod, and a backrest is provided between the two rear support rods.

[0011] Preferably, a handrail is provided on the upper surface of the handrail rod.

[0012] Preferably, both sides of the bottom of the seat cushion are fixedly connected to the front support rod and the rear support rod respectively through fixing rods, and the fixing rods and the bottom support rods are connected through a scissor frame.

[0013] The utility model provides a wheelchair that is convenient for entering and exiting a door and has the following advantages:

[0014] The utility model arranges two oblique rods in an inverted "eight" shape, i.e., an inner eight, so that the side of the rear wheel is flush with the side of the entire wheelchair, so that the wheelchair can easily pass through a door and a narrow place, thereby improving the convenience of use and being highly practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solution of the implementation mode of the utility model, the drawings required for use in the implementation mode will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the 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 paying creative work.

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 for Figure 1 Front view of

[0018] Figure 3 for Figure 1 Bottom view of .

[0019] Explanation of markings in the figure: 1. Bottom support rod; 2. Rear support rod; 3. Front support rod; 4. Rear wheel; 5. Auxiliary wheel; 6. Front wheel; 7. Armrest rod; 8. Cushion; 9. Backrest; 10. Armrest; 11. Push handle; 12. Scissor rack; 13. Baffle; 14. First curved rod; 15. Second curved rod; 16. Diagonal rod; 17. Straight rod. DETAILED DESCRIPTION

[0020] In the following, only some exemplary embodiments are briefly described. As those skilled in the art will appreciate, the described embodiments may be modified in various ways without departing from the spirit or scope of the embodiments of the present invention. Therefore, the drawings and descriptions are considered to be exemplary and non-restrictive in nature.

[0021] In the description of the embodiments of the present invention, it should be understood that the terms "length", "vertical", "horizontal", "top", "bottom", etc. indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing the embodiments of the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the embodiments of the present invention.

[0022] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the embodiments of the present utility model, the meaning of "multiple" is two or more, unless otherwise clearly and specifically defined.

[0023] In the embodiments of the present utility model, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection, an electrical connection, or a communication; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the embodiments of the present utility model can be understood according to specific circumstances.

[0024] The disclosure below provides many different embodiments or examples for realizing different structures of the embodiments of the present utility model. In order to simplify the disclosure of the embodiments of the present utility model, the components and settings of specific examples are described below. Of course, they are only examples, and the purpose is not to limit the embodiments of the present utility model. In addition, the embodiments of the present utility model can repeat reference numbers and / or reference letters in different examples, and this repetition is for the purpose of simplification and clarity, and does not itself indicate the relationship between the various embodiments and / or settings discussed.

[0025] In order to better understand the purpose, structure and function of the present invention, the following is a further detailed description of the present invention, a wheelchair that is convenient for entering and exiting a door, in conjunction with the accompanying drawings.

[0026] like Figure 1-3As shown, the utility model is a wheelchair that is convenient for entering and exiting a door, comprising two parallel bottom support rods 1, the rear end upper surfaces of the two bottom support rods 1 are provided with straight rods 17, the top ends of the straight rods 17 are provided with inclined rods 16, and the two inclined rods 16 are in an inverted "eight" shape. By arranging the two inclined rods 16 in an inverted "eight" shape, i.e., an inner eight, the side of the rear wheel 4 is flush with the side of the entire wheelchair, so that the wheelchair can easily pass through the door and a narrow place, thereby improving the convenience of use. The top ends of the inclined rods 16 are provided with a rear support rod 2, the rear end of the bottom support rod 1 is provided with a first curved rod 14, the first curved rod 14 is bent obliquely downward, and the bottom of the first curved rod 14 is provided with an auxiliary wheel 5. The arrangement of the auxiliary wheel 5 makes the wheelchair more stable and improves safety. A second curved rod 15 is provided at the front end of the bottom support rod 1, a front support rod 3 is provided at the end of the second curved rod 15, a front wheel 6 is provided at the bottom of the front support rod 3, the second curved rod 15 is bent outward, and the front support rod 3 and the rear support rod 2 are located in the same plane. By providing the second curved rod 15, the front support rod 3 and the rear support rod 2 are located in the same plane, so as to facilitate the installation and arrangement of the seat cushion 8. A rear wheel 4 is provided at the rear end side wall of the bottom support rod 1, a seat cushion 8 is provided between the rear support rod 2 and the front support rod 3, a handrail rod 7 is provided between the top end of the front support rod 3 and the side wall of the rear support rod 2, and a baffle plate 13 is provided between the top end of the front support rod 3 and the side wall of the rear support rod 2 and below the handrail rod 7, and the baffle plate 13 and the side walls of the front wheel 6 and the rear wheel 4 are all in the same plane. A push handle 11 is provided at the top end of the rear support rod 2, and a backrest 9 is provided between the two rear support rods 2, an armrest 10 is provided on the upper surface of the armrest rod 7, and both sides of the bottom of the seat cushion 8 are fixedly connected to the front support rod 3 and the rear support rod 2 respectively through fixing rods, and the fixing rod and the bottom support rod 1 are connected through a scissors frame 12. The setting of the scissors frame 12 improves the stability of the overall structure.

[0027] It is understood that the present invention is described by some embodiments, and those skilled in the art are aware that various changes or equivalent substitutions may be made to these features and embodiments without departing from the spirit and scope of the present invention. In addition, under the teachings of the present invention, these features and embodiments may be modified to adapt to specific circumstances and materials without departing from the spirit and scope of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of this application are within the scope of protection of the present invention.

Claims

1. A wheelchair that is convenient for entering and exiting a door, characterized in that: The invention comprises two bottom support rods (1) arranged in parallel, the upper surfaces of the rear ends of the two bottom support rods (1) being provided with straight rods (17), the top ends of the straight rods (17) being provided with inclined rods (16), the top ends of the inclined rods (16) being provided with rear support rods (2), the front ends of the bottom support rods (1) being provided with second curved rods (15), the ends of the second curved rods (15) being provided with front support rods (3), the bottom ends of the front support rods (3) being provided with front wheels (6), and the bottom ends of the bottom support rods (1) being provided with a plurality of rear wheels (6). A rear wheel (4) is arranged on the rear end side wall of the support rod (1); a seat cushion (8) is arranged between the rear support rod (2) and the front support rod (3); a handrail rod (7) is arranged between the top end of the front support rod (3) and the side wall of the rear support rod (2); and a baffle plate (13) is arranged between the top end of the front support rod (3) and the side wall of the rear support rod (2) and below the handrail rod (7); the baffle plate (13) and the side walls of the front wheel (6) and the rear wheel (4) are all in the same plane.

2. A wheelchair that is easy to enter and exit a door according to claim 1, characterized in that: A first curved rod (14) is provided at the rear end of the bottom support rod (1), and an auxiliary wheel (5) is provided at the bottom of the first curved rod (14).

3. A wheelchair that is easy to enter and exit a door according to claim 1, characterized in that: The two oblique rods (16) form an inverted "eight" shape.

4. A wheelchair that is easy to enter and exit a door according to claim 2, characterized in that: The first curved rod (14) is bent obliquely downward.

5. The wheelchair that is easy to enter and exit a door according to claim 1, characterized in that: The second curved rod (15) is bent outward, and the front support rod (3) and the rear support rod (2) are located in the same plane.

6. The wheelchair that is easy to enter and exit a door according to claim 1, characterized in that: A push handle (11) is provided at the top end of the rear support rod (2), and a backrest (9) is provided between the two rear support rods (2).

7. The wheelchair that is easy to enter and exit a door according to claim 1, characterized in that: A handrail (10) is provided on the upper surface of the handrail rod (7).

8. The wheelchair that is easy to enter and exit a door according to claim 1, characterized in that: Both sides of the bottom of the seat cushion (8) are fixedly connected to the front support rod (3) and the rear support rod (2) respectively via fixing rods, and the fixing rods and the bottom support rod (1) are connected via a scissor frame (12).