Wheelchair convenient to use

Abstract

The utility model relates to the technical field of wheelchairs, and discloses a convenient-to-use wheelchair which comprises a base, four supporting columns are fixedly installed at the bottom of the base, two supporting columns form a group and are symmetrically distributed front and back, two stand columns are fixedly installed at the top of the base, and the stand columns are symmetrically distributed front and back. A handrail fixedly connected with the stand column is fixedly installed at the top of the base, a foot stool fixedly connected with the front side of the supporting column on the front side is fixedly installed on the front side of the base, a supporting wheel is fixedly installed between the bottoms of the supporting columns on the front side and the rear side, and a moving wheel penetrating through the supporting columns is fixedly installed on one side of the supporting column on the rear side. According to the wheelchair convenient to use, by arranging the movable seat mechanism, the movable seat mechanism is convenient to disassemble, a user can conveniently go to the toilet, by arranging the backrest mechanism and the limiting mechanism, limiting of the backrest mechanism by the limiting mechanism is relieved, the backrest can be turned over, and the user can conveniently sit on the base.

Description

Technical Field

[0001] This utility model relates to the field of wheelchair technology, specifically to a wheelchair that is easy to use. Background Technology

[0002] A wheelchair is a chair equipped with wheels that helps replace walking. They are divided into electric and manual folding wheelchairs. Wheelchairs are important mobility tools used for home rehabilitation, transportation, medical visits, and outdoor activities for the injured, sick, and disabled. They not only meet the needs of people with limb disabilities and limited mobility, but more importantly, they facilitate family members' movement and care for patients, enabling patients to exercise and participate in social activities. However, existing technologies have the following drawbacks: the wheelchair backrest is a fixed structure and cannot be disassembled, making it inconvenient for users to sit in the wheelchair; furthermore, the base is not easily disassembled, causing inconvenience when using the toilet. Therefore, this paper proposes a more user-friendly wheelchair to address these problems. Utility Model Content

[0003] (a) Technical problems to be solved

[0004] In view of the shortcomings of the prior art, the present invention provides a wheelchair that is easy to use, with the advantages of easy disassembly of the backrest and base, thus solving the problems mentioned in the background art.

[0005] (II) Technical Solution

[0006] To achieve the aforementioned purpose of easy disassembly of the backrest and base, this utility model provides the following technical solution: a wheelchair that is easy to use, including a base, four support columns are fixedly installed at the bottom of the base, two support columns are grouped together and symmetrically distributed front and back, two upright columns are fixedly installed at the top of the base, armrests are fixedly connected to the upright columns at the top of the base, a footrest is fixedly installed on the front side of the base and fixedly connected to the front side of the front support column, support wheels are fixedly installed between the bottoms of the front and rear support columns, a movable wheel is fixedly installed on one side of the rear support column, a movable seat mechanism is provided at the bottom of the base extending to and connected to it, a backrest mechanism is provided at the rear side of each of the two upright columns, and a limiting mechanism is provided at the top of the base extending to its bottom and located outside the rear support column, the limiting mechanism being connected to the backrest mechanism;

[0007] The movable seat mechanism includes a bracket. The bracket is fixedly installed at the bottom of the base. A movable seat that fits against the top of the bracket is movably installed on the inner side of the base. An installation frame is fixedly installed on the front side of the movable seat. A handle is fixedly installed on the front side of the installation frame. A fixing block is fixedly installed on the inner bottom wall of the installation frame. A crossbar is fixedly installed on both the left and right sides of the fixing block. A slider that is slidably connected to the inner wall of the installation frame is slidably installed on the outer side of the crossbar. A locking block that extends to the outer side of the installation frame and engages with the base is fixedly installed on one side of the slider. A fixing spring that is fixedly connected to the fixing block and sleeved on the outer side of the crossbar is fixedly installed on one side of the slider. A strip plate that extends to the front side of the installation frame is fixedly installed on the front side of the slider. Pull rings are fixedly installed on opposite sides of the two strip plates.

[0008] Preferably, the backrest mechanism includes a mounting shaft, the mounting shaft is fixedly mounted on the rear side of the column, two cylinders are rotatably connected to the outer side of the mounting shaft, a backrest is fixedly mounted between the two cylinders, and the opposite sides of the two backrests are in contact with each other.

[0009] Preferably, the limiting mechanism includes a lifting plate, which is slidably installed on the outer side of the rear support column. A limiting block that engages with the bottom of the backrest is fixedly installed on the top of the lifting plate. A vertical rod extending to the top of the base is fixedly installed on the top of the lifting plate. A push plate is fixedly installed on the top of the vertical rod. A stabilizing rod extending to the inner side of the base is fixedly installed on the bottom of the push plate. A telescopic spring that is fixedly connected to the base and sleeved on the outer side of the vertical rod is fixedly installed on the bottom of the push plate.

[0010] Preferably, the front side of the base has a groove adapted to the movable seat, the left and right sides of the inner wall of the mounting frame have through holes adapted to the locking block, the rear side of the locking block is inclined, and the front side of the inner wall of the mounting frame has a rectangular hole adapted to the moving trajectory of the strip.

[0011] Preferably, a sponge cushion is fixedly installed on the front side of the backrest, and the backrest is in contact with the rear side of the base.

[0012] Preferably, the base has a circular hole inside that matches the upright, the top of the base has a limiting groove that matches the stabilizing rod, and the bottom of the backrest has a rectangular groove that matches the limiting block.

[0013] (III) Beneficial Effects

[0014] Compared with the prior art, the present invention provides a wheelchair that is easy to use and has the following beneficial effects:

[0015] 1. This user-friendly wheelchair features a movable seat mechanism that allows for easy removal of the seat, facilitating toilet access. The movable seat is installed inside the base and can be supported and slid by a bracket. When the user needs to use the toilet, pulling the rings on both sides moves the slider via a strip and compresses the fixing spring. Supported by the crossbar, the slider moves, causing the locking block to disengage from the base, releasing the movable seat. The user can then adjust the position of the movable seat by pulling it forward with the handle to separate the movable seat mechanism from the base, thus facilitating toilet access.

[0016] 2. This user-friendly wheelchair features a backrest mechanism and a limiting mechanism. Releasing the limiting mechanism from the backrest allows for a folded backrest, making it easy for the user to sit on the base. When the backrest position needs adjustment, the push plate can be manually pressed, causing the lifting plate to descend via the upright, releasing the limiting block from fixing the backrest. At this point, the two backrests can be rotated under the support of the mounting shafts and cylinders on both sides. After opening the backrest, the user can directly move onto the base from the back and sit comfortably. Adjusting the backrest back to its initial position causes the lifting plate to automatically rise under the action of the telescopic spring, causing the limiting block to engage with the bottom of the backrest. This operation facilitates the user sitting on the base. Attached Figure Description

[0017] Figure 1 This is a three-dimensional view of the structure of this utility model;

[0018] Figure 2 This is a partial sectional perspective view of the present invention;

[0019] Figure 3 This is a bottom-view perspective view of a partial structure of this utility model;

[0020] Figure 4 This is an exploded view of a partial structure of the present invention;

[0021] Figure 5 This is a partial sectional perspective view of the present invention;

[0022] Figure 6 This is an exploded view of a partial structure of the present invention;

[0023] Figure 7 This is a rear-view, bottom-view perspective view of a partial structure of this utility model;

[0024] Figure 8 This is a rear-view, bottom-view perspective view of a partial structure of this utility model;

[0025] Figure 9 This is a rear exploded view of a partial structure of this utility model.

[0026] In the diagram: 1. Base, 2. Support column, 3. Movable seat mechanism, 301. Bracket, 302. Movable seat, 303. Mounting frame, 304. Handle, 305. Fixing block, 306. Crossbar, 307. Slider, 308. Locking block, 309. Fixing spring, 310. Strip plate, 311. Pull ring, 4. Upright column, 5. Backrest mechanism, 51. Mounting shaft, 52. Cylinder, 53. Backrest, 6. Limiting mechanism, 61. Lifting plate, 62. Limiting block, 63. Pull rod, 64. Push plate, 65. Stabilizing rod, 66. Telescopic spring, 7. Handrail, 8. Leg, 9. Support wheel, 10. Moving wheel. Detailed Implementation

[0027] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0028] Please see Figure 1-9 This utility model provides a technical solution: a user-friendly wheelchair, including a base 1, four support columns 2 fixedly installed at the bottom of the base 1, with two support columns 2 forming a group and symmetrically distributed front and back; two upright columns 4 fixedly installed at the top of the base 1; a push handle fixedly installed at the rear of the upright column 4, with an anti-slip rubber sleeve fixedly installed on the outer side of the push handle; an armrest 7 fixedly installed at the top of the base 1 and fixedly connected to the upright column 4, with a sponge sleeve covering the outer side of the armrest 7 to ensure user comfort; and the front side of the base 1... A footrest 8 is fixedly installed and connected to the front side of the front support column 2. The footrest 8 can be used to support the user's feet. Support wheels 9 are fixedly installed between the bottoms of the front and rear support columns 2. A movable wheel 10 that passes through the support column 2 is fixedly installed on one side of the rear support column 2. The bottom of the base 1 is provided with a movable seat mechanism 3 that extends to its inner side and is connected to it. Backrest mechanisms 5 are provided on the rear side of both columns 4. The top of the base 1 is provided with a limiting mechanism 6 that extends to its bottom and is located on the outer side of the rear support column 2. The limiting mechanism 6 is connected to the backrest mechanism 5.

[0029] The movable seat mechanism 3 includes a bracket 301. The bracket 301 is fixedly installed on the bottom of the base 1. A movable seat 302, which fits against the top of the bracket 301, is movably installed on the inner side of the base 1. The bracket 301 provides stable support for the movable seat 302. A mounting frame 303 is fixedly installed on the front side of the movable seat 302. A handle 304 is fixedly installed on the front side of the mounting frame 303. The handle 304 is covered with a soft leather sleeve. A fixing block 305 is fixedly installed on the inner bottom wall of the mounting frame 303. A crossbar 306 is fixedly installed on both the left and right sides of the fixing block 305. A slider 307, which is slidably connected to the inner wall of the mounting frame 303, is slidably installed on the outer side of the crossbar 306. The rod 306 ensures the stability of the slider 307 during movement. A locking block 308 extending to the outside of the mounting frame 303 and engaging with the base 1 is fixedly installed on one side of the slider 307. A limiting groove adapted to the locking block 308 is provided inside the base 1. A fixing spring 309 fixedly connected to the fixing block 305 and sleeved on the outside of the crossbar 306 is fixedly installed on one side of the slider 307. The elastic coefficient of the fixing spring 309 can be set according to requirements. A strip 310 extending to the front of the mounting frame 303 is fixedly installed on the front side of the slider 307. Pull rings 311 are fixedly installed on opposite sides of the two strips 310. The pull rings 311 are made of soft leather material.

[0030] The front side of the base 1 has a groove that matches the movable seat 302. The inner walls of the mounting frame 303 have through holes that match the locking block 308 on both the left and right sides. The rear side of the locking block 308 is inclined. The front side of the inner wall of the mounting frame 303 has a rectangular hole that matches the moving trajectory of the strip 310.

[0031] The backrest mechanism 5 includes a mounting shaft 51. The mounting shaft 51 is fixedly mounted on the rear side of the column 4. Two cylinders 52 are rotatably connected to the outer side of the mounting shaft 51. A backrest 53 is fixedly mounted between the two cylinders 52. The opposite sides of the two backrests 53 are in contact with each other. The backrests 53 can be detached by rotating around the mounting shaft 51 via the cylinders 52.

[0032] A sponge cushion is fixedly installed on the front side of the backrest 53, and the backrest 53 is attached to the back side of the base 1.

[0033] The limiting mechanism 6 includes a lifting plate 61, which is slidably installed on the outer side of the rear support column 2. The lifting plate 61 has a rectangular mounting hole inside that matches the support column 2. A limiting block 62 that engages with the bottom of the backrest 53 is fixedly installed on the top of the lifting plate 61. A vertical rod 63 extending to the top of the base 1 is fixedly installed on the top of the lifting plate 61. A push plate 64 is fixedly installed on the top of the vertical rod 63. A stabilizing rod 65 extending to the inner side of the base 1 is fixedly installed on the bottom of the push plate 64. A telescopic spring 66 that is fixedly connected to the base 1 and sleeved on the outer side of the vertical rod 63 is fixedly installed on the bottom of the push plate 64. The elastic coefficient of the telescopic spring 66 can be set according to requirements to provide an upward force for the lifting plate 61.

[0034] The base 1 has a round hole inside that matches the upright 63, the top of the base 1 has a limiting groove that matches the stabilizing rod 65, and the bottom of the backrest 53 has a rectangular groove that matches the limiting block 62.

[0035] When using the wheelchair, first ensure it is stable. Brake the casters 10 to prevent slippage. Install the wheelchair onto the inside of the base 1 via the movable seat mechanism 3, ensuring overall stability. Adjust the backrest by holding both sides of the backrest 53 and rotating it. The backrest 53 can be adjusted in angle via the connection between the mounting shaft 51 and the cylinder 52. After opening the backrest 53, the user slowly moves onto the base 1. Once the seating position is adjusted, push the backrest 53 back to its original position, ensuring it aligns with the back of the base 1. The limiting mechanism 6 then secures the backrest mechanism 5. Next, ensure the casters 10 are unlocked and can rotate freely. The support wheels 9 and casters 10 will work together to ensure the wheelchair moves smoothly. When parking the wheelchair, brake the casters 10 to prevent slippage. Additionally, ensure the wheelchair is parked on a stable surface to avoid tilting or tipping over.

[0036] Furthermore, any content not described in detail in this specification is existing technology known to those skilled in the art.

[0037] In summary, this user-friendly wheelchair, by incorporating a movable seat mechanism 3, facilitates easy removal of the movable seat mechanism 3, making it convenient for the user to use the toilet. The movable seat 302 is installed inside the base 1 and can be supported and slidable via the bracket 301. When the user needs to use the toilet, pulling the pull rings 311 on both sides moves the slider 307 via the strip 310, compressing the fixing spring 309. Supported by the crossbar 306, the slider 307 moves, causing the locking block 308 to disengage from the base 1, releasing the movable seat 302. The position of the movable seat 302 can be adjusted by the handle 304 and pulled forward to separate the movable seat mechanism 3 from the base 1, thus facilitating the user's toilet use. By incorporating a backrest mechanism 5 and a limiting mechanism 6, the limiting mechanism 6 can be released from the backrest mechanism 5, allowing the backrest 53 to be folded down for easy sitting. When the position of the backrest 53 needs to be adjusted, the push plate 64 can be manually pressed down, and the lifting plate 61 will be lowered through the upright 63, releasing the fixation of the backrest 53 by the limiting block 62. At this time, the two backrests 53 can be adjusted to rotate under the support of the mounting shafts 51 and cylinders 52 on both sides. After the backrests 53 are opened, the user can move directly from the back of the base 1 onto the base. After sitting down smoothly, the backrest 53 can be adjusted back to the initial position. The lifting plate 61 will automatically rise under the action of the telescopic spring 66, so that the limiting block 62 will be locked into the bottom of the backrest 53. This operation makes it easier for the user to sit on the base 1, solving the problem that the wheelchair backrest is a fixed structure that cannot be disassembled, which makes it inconvenient for the user to sit on the wheelchair, and the base is not easy to disassemble, which causes certain inconveniences for the user when using the toilet.

[0038] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0039] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A user-friendly wheelchair, comprising a base (1), wherein four support columns (2) are fixedly installed at the bottom of the base (1), two support columns (2) are arranged in a group and are symmetrically distributed front and back, two upright columns (4) are fixedly installed at the top of the base (1), armrests (7) are fixedly connected to the upright columns (4) at the top of the base (1), a footrest (8) is fixedly installed on the front side of the base (1) and fixedly connected to the front side of the front support column (2), a support wheel (9) is fixedly installed between the bottoms of the front and rear support columns (2), and a moving wheel (10) penetrating the support column (2) is fixedly installed on one side of the rear support column (2), characterized in that: The bottom of the base (1) is provided with a movable seat mechanism (3) extending to the inner side thereof and connected therewith, the rear side of each of the two upright columns (4) is provided with a backrest mechanism (5), and the top of the base (1) is provided with a limiting mechanism (6) extending to the bottom thereof and located outside the rear side support column (2), the limiting mechanism (6) being connected with the backrest mechanism (5); The movable seat mechanism (3) comprises a bracket (301), the bottom of the base (1) is fixedly provided with the bracket (301), the inner side of the base (1) is movably provided with a movable seat (302) abutting against the top of the bracket (301), the front side of the movable seat (302) is fixedly provided with a mounting frame (303), the front side of the mounting frame (303) is fixedly provided with a handle (304), the inner bottom wall of the mounting frame (303) is fixedly provided with a fixed block (305), the left and right sides of the fixed block (305) are both fixedly provided with a cross rod (306), the outer side of the cross rod (306) is slidably provided with a sliding block (307) slidably connected with the inner wall of the mounting frame (303), one side of the sliding block (307) is fixedly provided with a clamping block (308) extending to the outer side of the mounting frame (303) and clamped with the base (1), one side of the sliding block (307) is fixedly provided with a fixed spring (309) fixedly connected with the fixed block (305) and sleeved outside the cross rod (306), the front side of the sliding block (307) is fixedly provided with a strip plate (310) extending to the front side of the mounting frame (303), and the opposite sides of the two strip plates (310) are both fixedly provided with a pull ring (311).

2. A wheelchair for ease of use according to claim 1, characterised in that: The backrest mechanism (5) comprises a mounting shaft (51), the rear side of the upright column (4) is fixedly provided with the mounting shaft (51), the outer side of the mounting shaft (51) is rotatably connected with two cylinders (52), the two cylinders (52) are fixedly provided with a backrest (53) therebetween, and the opposite sides of the two backrests (53) abut against each other.

3. A wheelchair for ease of use according to claim 2 wherein: The limiting mechanism (6) comprises a lifting plate (61), the outer side of the rear side support column (2) is slidably provided with the lifting plate (61), the top of the lifting plate (61) is fixedly provided with a limiting block (62) clamped with the bottom of the backrest (53), the top of the lifting plate (61) is fixedly provided with a vertical rod (63) extending to the top of the base (1), the top of the vertical rod (63) is fixedly provided with a push plate (64), the bottom of the push plate (64) is fixedly provided with a stabilizing rod (65) extending to the inner side of the base (1), the bottom of the push plate (64) is fixedly provided with a telescopic spring (66) fixedly connected with the base (1) and sleeved outside the vertical rod (63).

4. A wheelchair for ease of use according to claim 1, characterized in that: The front side of the base (1) is provided with a groove body matched with the movable seat (302), the left and right sides of the inner wall of the mounting frame (303) are both provided with through holes matched with the clamping block (308), the rear side of the clamping block (308) is designed to be inclined, and the front side of the inner wall of the mounting frame (303) is provided with a rectangular hole matched with the moving track of the strip plate (310).

5. A wheelchair for ease of use according to claim 2, characterised in that: The front side of the backrest (53) is fixedly installed with a sponge back cushion, and the backrest (53) is attached to the rear side of the base (1).

6. A wheelchair for ease of use according to claim 3, characterised in that: The inside of the base (1) is provided with a round hole matched with the vertical rod (63), the top of the base (1) is provided with a limiting groove matched with the stabilizing rod (65), and the bottom of the backrest (53) is provided with a rectangular groove matched with the limiting block (62).

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