A wheelchair which is conveniently folded for storage

Abstract

The utility model discloses a kind of wheelchair of easy folding storage, involve wheelchair technical field, including two fixed plates, fixedly connected with fixed rod between two fixed plates, the bottom of two fixed plates is rotatably connected with first support frame, the bottom of first support frame is provided with two universal wheels, the outer wall of two fixed plates is rotatably connected with second support frame, the bottom two sides of second support frame are fixedly connected with wheel frame, wheel is arranged between the inner wall of wheel frame, second support frame is provided with two first support rods in the side close to first support frame, first support rod end is fixedly connected with first connecting rod. In the utility model, by the cooperation of components, without removing bolt or component, just press second support frame, first support frame and seat plate along fixed plate to backrest rod side, folding can be completed, device is folded and stored into plate structure, small space is occupied, portable after folding, device folding, unfolding operation is simple, convenient for user to use.

Description

Technical Field

[0001] This utility model relates to the field of wheelchair technology, and in particular to a wheelchair that is easy to fold and store. Background Technology

[0002] A wheelchair is an assistive mobility tool designed for people with mobility impairments (such as people with limb disabilities, the elderly, and those recovering from surgery). Through frame support, seat, and wheel structure, it helps users achieve independent or assisted movement, replacing or assisting walking and improving the convenience and independence of their daily activities.

[0003] Existing folding wheelchairs typically require the removal of bolts or parts to complete the folding process. Furthermore, the folded mechanism occupies a significant amount of space, making it inconvenient to carry. The assembly and disassembly of the mechanism are also complex, hindering user convenience.

[0004] Therefore, it is necessary to propose a wheelchair that is easy to fold and store to solve the above problems. Utility Model Content

[0005] The purpose of this utility model is to provide a wheelchair that is easy to fold and store, so as to solve the problems that bolts or parts need to be removed to complete the folding, and the folded device occupies a lot of space, making it inconvenient to carry, and the device is complicated to disassemble and assemble, making it inconvenient for users.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a wheelchair that is easy to fold and store, comprising two fixed plates, a fixed rod fixedly connected between the two fixed plates, a first support frame rotatably connected to the bottom of the two fixed plates, two universal wheels provided at the bottom of the first support frame, a second support frame rotatably connected to the outer wall of the two fixed plates, a wheel frame fixedly connected to both sides of the bottom of the second support frame, a wheel provided between the inner walls of the wheel frame, two first support rods provided on the side of the second support frame near the first support frame, a first connecting rod fixedly connected to the end of the first support rod, and the first connecting rod rotatably connected to the outer periphery of the first support frame;

[0007] A seat plate is rotatably connected to the top of the two fixed plates. Two second support rods are rotatably connected to the bottom surface of the seat plate near the first support frame. A second connecting rod is fixedly connected to the bottom end of the two second support rods. The second connecting rod is rotatably connected to the outer periphery of the first support frame. A backrest rod is fixedly connected to the top of the two fixed plates.

[0008] Preferably, a footrest is fixedly connected to the bottom of the first support frame.

[0009] Preferably, a cylindrical rod is provided on the side of the backrest rod away from the seat panel, and armrest rods are fixedly connected to both sides of the cylindrical rod. The two armrest rods are rotatably connected to both sides of the backrest rod, and a limiting plate is fixedly connected to one side of the top surface of the armrest rod. The limiting plate contacts the side of the backrest rod away from the seat panel, and a second limiting rod is fixedly connected to both sides of the seat panel.

[0010] Preferably, a backrest pad is installed on the backrest rod, and a push handle is fixedly connected to the top of the backrest rod.

[0011] Preferably, a first fixing block is fixedly connected to the bottom of both sides of the second support frame, a first rotating frame is rotatably connected to one side of the first fixing block, a rotating shaft is fixedly connected between the bottoms of the first rotating frames, a second rotating frame is rotatably connected to the outer periphery of the rotating shaft, a rotating block is rotatably connected to the bottom of the second rotating frame, a second fixing block is rotatably connected to one side of the rotating block, the top of the second fixing block is rotatably connected to the end of the corresponding first support rod, and the side wall of the second fixing block is fixedly connected to the outer periphery of the second support frame.

[0012] Preferably, a tension spring is fixedly connected to the outer periphery of the rotating shaft, the bottom end of the tension spring is fixedly connected to one side of the rotating block, a brake block is fixedly connected to one side of the bottom surface of the rotating block, the brake block is in movable contact with the outer periphery of the corresponding wheel, and a pressing plate is fixedly connected to the outer wall of the first rotating frame.

[0013] Preferably, a cylindrical shell is fixedly connected to the inner wall of each of the two fixed plates, and a plug rod is slidably connected inside the cylindrical shell. The plug rod passes through the corresponding fixed plate and is plugged into the corresponding second support frame. A limit ring is fixedly connected to the outer periphery of the plug rod, and the limit ring is slidably connected inside the cylindrical shell. An elastic rod is fixedly connected to one end of each of the two plug rods that are close to each other.

[0014] Preferably, each of the two fixed plates is fixedly connected to a first limiting rod on the side away from each other, and the first limiting rod is in contact with the outer periphery of the corresponding second support frame.

[0015] The technical effects and advantages of this utility model are as follows:

[0016] In this utility model, through the cooperation of the components, there is no need to remove bolts or parts. Simply press the second support frame, the first support frame and the seat plate along the fixed plate towards the backrest rod to complete the folding. The device is folded and stored into a plate-shaped structure, which occupies little space and is easy to carry after folding. The folding and unfolding operation of the device is simple and convenient for users.

[0017] In this invention, the device can be unfolded by the user simply by lifting the top of the backrest rod through the cooperation of the components. This one-button unfolding avoids complicated installation steps and improves the convenience of daily use. Attached Figure Description

[0018] Figure 1 This is a first-view structural diagram of the present invention.

[0019] Figure 2 This is a schematic diagram of the second-view structure of this utility model.

[0020] Figure 3 This utility model Figure 2 Enlarged diagram of point A in the middle.

[0021] Figure 4 This is a partial cross-sectional structural diagram of the present invention.

[0022] In the diagram: 1. Fixing plate; 11. First limiting rod; 12. Fixing rod; 13. Cylindrical shell; 14. Insertion rod; 15. Elastic rod; 16. Limiting ring;

[0023] 2. First support frame; 21. Footrest; 22. Casters;

[0024] 3. Second support frame; 31. Wheel frame; 32. Wheel;

[0025] 4. First support rod; 41. First connecting rod; 42. Second support rod; 43. Second connecting rod;

[0026] 5. Backrest rod; 51. Cylindrical rod; 52. Push handle; 53. Armrest rod; 54. Limiting plate; 55. Backrest padding;

[0027] 6. Seat panel; 61. Second limit rod;

[0028] 7. First fixed block; 71. First rotating frame; 72. Rotating shaft; 73. Second rotating frame; 74. Rotating block; 75. Second fixed block; 76. Tension spring; 77. Brake block; 78. Pressing plate. Detailed Implementation

[0029] To make the objectives, technical solutions, and advantages of this utility model clearer, the technical solutions of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, embodiments of this utility model, and should not be construed as limiting this utility model. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model. In the description of this utility model, it should be understood that the terminology used is for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0030] This utility model provides, for example Figures 1-4The wheelchair shown is easy to fold and store. It has two fixed plates 1, with a fixed rod 12 fixedly connected between them. A first support frame 2 is rotatably connected to the bottom of the two fixed plates 1, and two casters 22 are installed at the bottom of the first support frame 2. A second support frame 3 is rotatably connected to the outer wall of the two fixed plates 1. Wheel frames 31 are fixedly connected to both sides of the bottom of the second support frame 3, and wheels 32 are installed between the inner walls of the wheel frames 31. Two first support rods 4 are provided on the side of the second support frame 3 closest to the first support frame 2, and a first connecting rod is fixedly connected to the end of each first support rod 4. 41. The first connecting rod 41 is rotatably connected to the outer periphery of the first support frame 2; the fixing rod 12 helps to connect the fixing plate 1. When storing, the second support frame 3 is rotated, the top of the second support frame 3 rotates on the fixing plate 1, the bottom of the second support frame 3 moves towards the side of the first support frame 2, and at the same time the bottom of the first support rod 4 moves closer to the side of the first support frame 2. When the side of the second support frame 3 is in contact with the first support frame 2, the first support rod 4 is folded between the first support frame 2 and the second support frame 3. The wheel frame 31 and the wheel 32 are fixed in direction, and the universal wheel 22 facilitates the turning of the device.

[0031] Furthermore, a seat plate 6 is rotatably connected to the top of the two fixed plates 1. Two second support rods 42 are rotatably connected to the bottom surface of the seat plate 6 near the first support frame 2. The bottom ends of the two second support rods 42 are fixedly connected to second connecting rods 43, which are rotatably connected to the outer periphery of the first support frame 2. Backrest rods 5 are fixedly connected to the top of the two fixed plates 1. When the second support frame 3 moves closer to the first support frame 2, the top of the first support frame 2 rotates on the fixed plate 1 and moves closer to the bottom surface of the seat plate 6. At the same time, one side of the seat plate 6 also rotates on the fixed plate 1, and the top surface of the seat plate 6 moves closer to the backrest rod 5. When the first support frame 2 is in contact with the bottom surface of the seat plate 6, the seat plate 6 is in contact with the backrest rod 5, and the storage is completed.

[0032] In this invention, the device can be unfolded by the user holding the top of the backrest rod 5 through the cooperation of the components. The one-button unfolding avoids complicated installation steps and improves the convenience of daily use.

[0033] In this utility model, through the cooperation of the components, there is no need to remove bolts or parts. Simply press the second support frame 3, the first support frame 2 and the seat plate 6 along the fixed plate 1 toward the backrest rod 5 to complete the folding. The device is folded and stored into a plate-like structure, which occupies little space and is easy to carry after folding. The folding and unfolding operation of the device is simple and convenient for users.

[0034] It should be noted that the two fixed plates 1 are fixedly connected to the side away from each other with a first limiting rod 11. The first limiting rod 11 contacts the outer periphery of the corresponding second support frame 3. When unfolded, the second support frame 3 rotates to the position of the first limiting rod 11, and the first limiting rod 11 limits the second support frame 3, making the device more stable when unfolded.

[0035] It should also be noted that a footrest 21 is fixedly connected to the bottom of the first support frame 2; the footrest 21 is convenient for users to place their feet.

[0036] In this invention, a cylindrical rod 51 is provided on the side of the backrest rod 5 away from the seat plate 6. Armrest rods 53 are fixedly connected to both sides of the cylindrical rod 51. The two armrest rods 53 are rotatably connected to the two sides of the backrest rod 5. A limiting plate 54 is fixedly connected to one side of the top surface of the armrest rod 53. The limiting plate 54 contacts the side of the backrest rod 5 away from the seat plate 6. A second limiting rod 61 is fixedly connected to both sides of the seat plate 6. When the armrest rod 53 is rotated, it rotates on both sides of the backrest rod 5. The rotation of the armrest rod 53 drives the cylindrical rod 51 and the limiting plate 54 to rotate. When the limiting plate 54 contacts the backrest rod 5, the armrest rod 53 is horizontal with the ground, which is convenient for the user to place their arms. When storing, simply rotate in the opposite direction. When storing, the second limiting rod 61 contacts the bottom surface of the armrest rod 53, pushing the armrest rod 53 upward, making it easy to store.

[0037] It should be noted that the user can hold the cylindrical rod 51, which can help the user deploy the device.

[0038] A backrest pad 55 is installed on the backrest rod 5, and a push handle 52 is fixedly connected to the top of the backrest rod 5; the backrest pad 55 supports the user's back, and the push handle 52 makes it convenient for others to push the device.

[0039] In this invention, a tension spring 76 is fixedly connected to the outer periphery of the rotating shaft 72. The bottom end of the tension spring 76 is fixedly connected to one side of the rotating block 74. A brake block 77 is fixedly connected to one side of the bottom surface of the rotating block 74. The brake block 77 is in movable contact with the outer periphery of the corresponding wheel 32. A pressing plate 78 is fixedly connected to the outer wall of the first rotating frame 71. When the wheel 32 needs to be braked, the pressing plate 78 is pressed. The pressing plate 78 presses down one side of the rotating block 74 through the cooperation of the components. The rotating block 74 drives the brake block 77 to move toward the wheel 32. At the same time, the cooperation between the rotating block 74 and the rotating shaft 72 stretches the tension spring 76. The brake block 77 contacts the wheel 32 and brakes the wheel 32. When the brake is released, the pressing plate 78 is moved upward, and the tension spring 76 uses its pulling force to restore the rotating block 74 to its original position.

[0040] It should be noted that the bottom of both sides of the second support frame 3 is fixedly connected to the first fixing block 7, and the first fixing block 7 is rotatably connected to the first rotating frame 71 on one side. The bottom of the first rotating frame 71 is fixedly connected to the rotating shaft 72, and the outer periphery of the rotating shaft 72 is rotatably connected to the second rotating frame 73. The bottom of the second rotating frame 73 is rotatably connected to the rotating block 74, and the side of the rotating block 74 is rotatably connected to the second fixing block 75. The top of the second fixing block 75 is rotatably connected to the end of the corresponding first support rod 4, and the side wall of the second fixing block 75 is fixedly connected to the outer periphery of the second support frame 3. When the first support rod 4 is retracted, the bottom end of the first support rod 4 is in the second support frame 3. The first rotating frame 71 rotates on the first fixed block 75, and the rotation of the first rotating frame 71 drives the rotating shaft 72 to move. The movement of the rotating shaft 72 drives the second rotating frame 73 to move. The second rotating frame 73 rotates on the rotating shaft 72 at the same time. The movement of the second rotating frame 73 drives one end of the rotating block 74 to rotate on the second fixed block 75. The other end of the rotating block 74 moves towards the outer periphery of the wheel 32. The second fixed block 75 helps to connect the second support frame 3 and the first support rod 4. The cooperation of the first rotating frame 71, the rotating shaft 72, the second rotating frame 73 and the rotating block 74 facilitates the brake block 77 to brake the wheel 32.

[0041] Cylindrical shells 13 are fixedly connected to the inner walls of both fixed plates 1. Insertion rods 14 are slidably connected inside the cylindrical shells 13. The insertion rods 14 pass through the corresponding fixed plates 1 and are inserted into the corresponding second support frames 3. Limiting rings 16 are fixedly connected to the outer periphery of the insertion rods 14, and the limiting rings 16 are slidably connected inside the cylindrical shells 13. Elastic rods 15 are fixedly connected to one end of each insertion rod 14, close to each other. When the device is in the unfolded state and the user needs to store it, pressing the elastic rod 15 will cause the insertion rods 14 to move. 4. After the insertion rod 14 moves away from the second support frame 3 and enters the cylindrical shell 13, the second support frame 3 can rotate normally for easy storage. The limiting ring 16 limits the insertion rod 14. When unfolded, the second support frame 3 approaches the insertion rod 14 and pushes the insertion rod 14 into the cylindrical shell 13. The insertion rod 14 moves and squeezes the elastic rod 15. When the insertion hole on the second support frame 3 is located at the position of the insertion rod 14, the elastic rod 15 uses its elasticity to insert the insertion rod 14 into the insertion hole.

Claims

1. A wheelchair that is easy to fold and store, comprising two fixing plates (1), characterized in that: A fixing rod (12) is fixedly connected between the two fixing plates (1). A first support frame (2) is rotatably connected to the bottom of the two fixing plates (1). Two universal wheels (22) are provided at the bottom of the first support frame (2). A second support frame (3) is rotatably connected to the outer wall of the two fixing plates (1). A wheel frame (31) is fixedly connected to both sides of the bottom of the second support frame (3). A wheel (32) is provided between the inner walls of the wheel frame (31). Two first support rods (4) are provided on the side of the second support frame (3) close to the first support frame (2). A first connecting rod (41) is fixedly connected to the end of the first support rod (4). The first connecting rod (41) is rotatably connected to the outer periphery of the first support frame (2). The top of the two fixed plates (1) is rotatably connected to a seat plate (6). The bottom surface of the seat plate (6) near the first support frame (2) is rotatably connected to two second support rods (42). The bottom ends of the two second support rods (42) are fixedly connected to a second connecting rod (43). The second connecting rod (43) is rotatably connected to the outer periphery of the first support frame (2). The top of the two fixed plates (1) is fixedly connected to a backrest rod (5).

2. The wheelchair that is easy to fold and store according to claim 1, characterized in that: The first support frame (2) has a footrest (21) fixedly connected to its bottom.

3. The wheelchair that is easy to fold and store according to claim 1, characterized in that: A cylindrical rod (51) is provided on the side of the backrest rod (5) away from the seat plate (6). Armrest rods (53) are fixedly connected to both sides of the cylindrical rod (51). The two armrest rods (53) are rotatably connected to both sides of the backrest rod (5). A limiting plate (54) is fixedly connected to one side of the top surface of the armrest rod (53). The limiting plate (54) contacts the side of the backrest rod (5) away from the seat plate (6). A second limiting rod (61) is fixedly connected to both sides of the seat plate (6).

4. A wheelchair that is easy to fold and store according to claim 1, characterized in that: A backrest pad (55) is installed on the backrest rod (5), and a push handle (52) is fixedly connected to the top of the backrest rod (5).

5. A wheelchair that is easy to fold and store according to claim 1, characterized in that: The bottom of the second support frame (3) is fixedly connected to the bottom of both sides of the first fixed block (7). The first fixed block (7) is rotatably connected to the first rotating frame (71) on one side. The bottom of the first rotating frame (71) is fixedly connected to the rotating shaft (72). The outer periphery of the rotating shaft (72) is rotatably connected to the second rotating frame (73). The bottom of the second rotating frame (73) is rotatably connected to the rotating block (74). The side of the rotating block (74) is rotatably connected to the second fixed block (75). The top of the second fixed block (75) is rotatably connected to the end of the corresponding first support rod (4). The side wall of the second fixed block (75) is fixedly connected to the outer periphery of the second support frame (3).

6. A wheelchair that is easy to fold and store according to claim 5, characterized in that: A tension spring (76) is fixedly connected to the outer periphery of the rotating shaft (72). The bottom end of the tension spring (76) is fixedly connected to one side of the rotating block (74). A brake block (77) is fixedly connected to one side of the bottom surface of the rotating block (74). The brake block (77) is in active contact with the outer periphery of the corresponding wheel (32). A pressing plate (78) is fixedly connected to the outer wall of the first rotating frame (71).

7. A wheelchair that is easy to fold and store according to claim 1, characterized in that: A cylindrical shell (13) is fixedly connected to the inner wall of each of the two fixed plates (1). A plug rod (14) is slidably connected inside the cylindrical shell (13). The plug rod (14) passes through the corresponding fixed plate (1) and is plugged into the corresponding second support frame (3). A limit ring (16) is fixedly connected to the outer periphery of the plug rod (14). The limit ring (16) is slidably connected inside the cylindrical shell (13). An elastic rod (15) is fixedly connected to one end of each of the two plug rods (14) close to each other.

8. A wheelchair that is easy to fold and store according to claim 1, characterized in that: The two fixed plates (1) are fixedly connected to a first limiting rod (11) on the side away from each other, and the first limiting rod (11) is in contact with the outer periphery of the corresponding second support frame (3).

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