Wheelchair convenient to fold

Abstract

The utility model discloses a wheelchair convenient to fold, which relates to the technical field of medical instruments and comprises a side frame, front wheels, rear wheels, a pedal component, a support component, a seat component and a backrest component. The number of the side frames is two, and the two side frames are each provided with a front wheel and a rear wheel. A group of pedal components which can be folded towards the middle part are arranged between the two side frames; two sets of supporting assemblies capable of being folded towards the middle are arranged between the two side frames in the front-back direction. The tops of the two supporting assemblies are jointly connected with a seat assembly capable of being folded towards the middle, and the bottom faces of the ends of the two sides abut against the top faces of the two side frames after the seat assembly is unfolded. A backrest assembly which can be folded towards the middle part is arranged close to the rear part of the seat assembly. The wheelchair can be quickly folded, the operation is simple, the folding convenience of the wheelchair is greatly improved, the size of the folded wheelchair is small, the occupied space is greatly reduced, and the popularization performance is high.

Description

Technical Field

[0001] The utility model relates to the technical field of medical equipment, and in particular to a conveniently foldable wheelchair. Background Art

[0002] Wheelchairs are an important tool for rehabilitation and a means of transportation for people with physical disabilities and limited mobility.

[0003] For example, Chinese patent CN214285476U discloses a portable folding wheelchair, which has a top frame and a bottom frame connected to the wheelchair via a fixed vertical frame, forming the main support of the wheelchair; the folding vertical frame is rotatably connected to the top frame and the bottom frame of the wheelchair via a folding mechanism, and the wheelchair can be unfolded or folded by controlling the folding mechanism; this wheelchair has the following disadvantages: the foldable structure is limited, resulting in a large problem in the overall volume of the wheelchair after folding, and the convenience of the folding method needs to be improved. Utility Model Content

[0004] The purpose of the utility model is to solve the problems raised in the above background technology, and then proposes a conveniently foldable wheelchair.

[0005] The technical solution adopted by the utility model to solve its technical problems is:

[0006] A wheelchair that is easy to fold comprises a side frame, a front wheel, a rear wheel, a pedal assembly, a support assembly, a seat assembly and a backrest assembly; there are two side frames, and the front wheels and the rear wheels are installed on the two side frames; a group of pedal assemblies that can be folded toward the middle is arranged between the two side frames for users to step on; two groups of support assemblies that can be folded toward the middle are arranged between the two side frames along the front-to-back direction to play a supporting and connecting role for the wheelchair; a group of seat assemblies that can be folded toward the middle are commonly connected to the top of the two groups of support assemblies for users to sit and stand, and the bottom surfaces of the two side ends of the seat assembly are in contact with the top surfaces of the two side frames after the seat assembly is unfolded; a backrest assembly that can be folded toward the middle is provided near the rear of the seat assembly for users to lean on.

[0007] Furthermore, the pedal assembly includes a mounting rod and a foot pedal; there are two mounting rods and one end of the two mounting rods is rotatably connected to the two side frames respectively, and the other ends of the two mounting rods are connected by hinges so that the two mounting rods can be folded upward toward the middle, and a foot pedal is installed on each of the two mounting rods.

[0008] Furthermore, the support assembly includes support rod one and support rod two; the bottom end of support rod one is rotatably connected to one of the side frames, and the top end is connected to one side of the seat assembly; support rod two is rotatably connected to the middle part of support rod one and is cross-arranged, the bottom end of support rod two is rotatably connected to another side frame, and the top end is connected to the other side of the seat assembly.

[0009] Furthermore, the seat assembly includes a baffle and a seat board; there are two baffles and a seat board is rotatably connected between each of the two baffles, and the two seat boards are connected by hinges so that the two seat boards can be folded upward toward the middle.

[0010] Furthermore, the backrest assembly includes a vertical rod, a supporting cloth and a push handle; there are two vertical rods and each is arranged on two blocking rods, a supporting cloth is connected between the two vertical rods, and a push handle is installed at the rear end of each of the two vertical rods.

[0011] Furthermore, an armrest is installed on the outer side of each of the two side frames, and the armrest is placed between the side frame and the rear wheel to protect the user and facilitate the user to stand and operate with handheld.

[0012] Furthermore, a set of dirt removal components is installed on each of the two side frames to clean the rear wheels.

[0013] Furthermore, the dirt removal assembly includes a support rod and a dirt removal plate; one end of the support rod is connected to the side frame, and the other end is connected to the dirt removal plate with an arc-shaped structure. The dirt removal plate cover is arranged on the outside of the rear wheel and the distance between the two does not exceed 1 cm so that the dirt removal plate can scrape off the dirt attached to the upper surface of the rear wheel.

[0014] Furthermore, the dirt removal component also includes a sponge; the sponge is installed on the dirt removal plate and contacts the surface of the rear wheel to absorb the water.

[0015] Furthermore, a cushion is placed on the seat board to improve the comfort of the user during sitting.

[0016] Furthermore, after the pedal assembly, support assembly, seat assembly and backrest assembly are folded toward the middle, the distance between the two side frames does not exceed 15 cm.

[0017] Compared with the prior art, the beneficial effects of the utility model are:

[0018] The utility model can realize the rapid folding of the wheelchair through the coordinated arrangement of the side frames, the front wheels, the rear wheels, the pedal assembly, the support assembly, the seat assembly and the backrest assembly. The longitudinal folding method is adopted, which greatly reduces the volume of the wheelchair after folding. The folding operation of the wheelchair only needs to be lifted upwards, and then the two side frames are brought together to the middle. The unfolding method can be performed in the reverse operation. The operation is simple, which greatly improves the convenience of folding the wheelchair. The wheelchair has a small volume after folding, which greatly reduces the space occupied. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the structure of the utility model;

[0020] Figure 2It is a structural schematic diagram of a seat assembly;

[0021] Figure 3 The figure is a schematic diagram of the installation position of the decontamination component;

[0022] Figure 4 This is a schematic diagram of the placement of the seat cushion;

[0023] Among them: 1. Side frame; 2. Front wheel; 21. Rear wheel; 3. Pedal assembly; 31. Mounting rod; 32. Footrest; 4. Support assembly; 41. Support rod one; 42. Support rod two; 5. Seat assembly; 51. Bumper rod; 52. Seat board; 6. Backrest assembly; 61. Vertical rod; 62. Support cloth; 63. Push handle; 7. Armrest; 8. Decontamination assembly; 81. Support rod; 82. Decontamination plate; 83. Sponge; 9. Cushion. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model. The utility model is further described in combination with the drawings and embodiments:

[0025] See attached Figure 1 As shown, a wheelchair that is easy to fold includes a side frame 1, a front wheel 2, a rear wheel 21, a pedal assembly 3, a support assembly 4, a seat assembly 5 and a backrest assembly 6; wherein, there are two side frames 1 and both of the side frames 1 are equipped with the front wheel 2 and the rear wheel 21; a set of pedal assemblies 3 that can be folded toward the middle is arranged between the two side frames 1 for the user to step on; two sets of support assemblies 4 that can be folded toward the middle are arranged between the two side frames 1 along the front-to-back direction to play a supporting and connecting role of the wheelchair; a set of foldable The seat assembly 5 is for the user to sit and stand, and the bottom surfaces of the two side ends of the seat assembly 5 are in contact with the top surfaces of the two side frames 1 after the seat assembly 5 is unfolded; a backrest assembly 6 which can be folded toward the middle is provided near the rear of the seat assembly 5 for the user to lean on; wherein, after the pedal assembly 3, the support assembly 4, the seat assembly 5 and the backrest assembly 6 are folded toward the middle, the spacing between the two side frames 1 does not exceed 15 cm. The size specifications of the entire wheelchair are determined according to actual production. In order to provide a smaller space after the wheelchair is folded, the various components of the wheelchair are refined during the production process to improve precision.

[0026] In the specific implementation process of the utility model, the pedal assembly 3, the support assembly 4, the seat assembly 5 and the backrest assembly 6 can all be folded toward the middle. During operation, the pedal assembly 3 is first lifted upward, and then the seat assembly 5 is lifted upward. Thereafter, the two side frames 1 are directly brought together toward the middle to complete the folding operation of the wheelchair; the unfolding method can be performed in the reverse operation.

[0027] In the above solution, specifically, the structure of the pedal assembly 3 is as follows:

[0028] See attached Figure 1 As shown, the pedal assembly 3 includes a mounting rod 31 and a footrest 32; there are two mounting rods 31 and one end of the two mounting rods 31 is rotatably connected to the two side frames 1 respectively, and the other ends of the two mounting rods 31 are connected by hinges so that the two mounting rods 31 can be folded upward toward the middle, and a footrest 32 is installed on each of the two mounting rods 31.

[0029] In the above solution, specifically, the structure of the support assembly 4 is as follows:

[0030] See attached Figure 1 As shown, the support assembly 4 includes a support rod 1 41 and a support rod 2 42; the bottom end of the support rod 1 41 is rotatably connected to one of the side frames 1, and the top end is connected to one side of the seat assembly 5; the support rod 2 42 is rotatably connected to the middle part of the support rod 1 41 and is cross-arranged, the bottom end of the support rod 2 42 is rotatably connected to the other side frame 1, and the top end is connected to the other side of the seat assembly.

[0031] In the above scheme, the structure of the seat assembly 5 is specifically as follows:

[0032] See attached Figure 1 and attached Figure 2 As shown, the seat assembly 5 includes a stop rod 51 and a seat board 52; there are two stop rods 51 and a seat board 52 is rotatably connected between the two stop rods 51, and the two seat boards 52 are connected by hinges so that the two seat boards 52 can be folded upward toward the middle.

[0033] In the above solution, specifically, the structure of the backrest assembly 6 is as follows:

[0034] See attached Figure 1 As shown, the backrest assembly 6 includes a vertical rod 61, a supporting cloth 62 and a push handle 63; there are two vertical rods 61 and each is arranged on two blocking rods 51, a supporting cloth 62 is connected between the two vertical rods 61, and a push handle 63 is installed at the rear end of each of the two vertical rods 61.

[0035] In addition, refer to the attached Figure 1 As shown, a handrail frame 7 is installed on the outer side of each of the two side frames 1. The handrail frame 7 is placed between the side frames 1 and the rear wheels 21 to protect the user and facilitate the user to stand and operate with hands.

[0036] Considering that mud may adhere to the rear wheels 21 during the use of the wheelchair, affecting the operation of the user when walking alone, Figure 3 As shown, a set of dirt removal components 8 are installed on each of the two side frames 1 to clean the rear wheel 21; specifically, the dirt removal component 8 includes a support rod 81 and a dirt removal plate 82; one end of the support rod 81 is connected to the side frame 1, and the other end is connected to the dirt removal plate 82 with an arc-shaped structure, and the dirt removal plate 82 is covered outside the rear wheel 21 and the distance between the two does not exceed 1 cm so that the dirt removal plate 82 can scrape off the mud attached to the upper surface of the rear wheel 21;

[0037] In addition, considering that water may adhere to the rear wheel 21 on rainy days, the dirt removal component 8 further includes a sponge 83 ; the sponge 83 is mounted on the dirt removal plate 82 and contacts the surface of the rear wheel 21 to absorb the water.

[0038] In addition, considering the user's comfort during sitting, Figure 4 As shown, a seat cushion 9 is placed on the seat plate 52 .

[0039] The above shows and describes the basic principles, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions in the specification are only to illustrate the principles of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the protection required by the utility model. The scope of protection required by the utility model is defined by the attached claims and their equivalents.

Claims

1. A conveniently foldable wheelchair, comprising a side frame (1), a front wheel (2) and a rear wheel (21), wherein the side frames (1) are two and the front wheel (2) and the rear wheel (21) are mounted on both side frames (1); characterized in that: It also includes a pedal assembly (3), a support assembly (4), a seat assembly (5) and a backrest assembly (6); A set of pedal assemblies (3) that can be folded toward the middle is provided between the two side frames (1); Two groups of support components (4) that can be folded toward the middle are arranged between the two side frames (1) along the front-to-back direction; The tops of the two groups of support components (4) are commonly connected to a group of seat components (5) that can be folded toward the middle, and after the seat components (5) are unfolded, the bottom surfaces of the two side ends abut against the top surfaces of the two side frames (1); A backrest component (6) which can be folded toward the middle is provided near the rear of the seat component (5).

2. The conveniently foldable wheelchair according to claim 1, characterized in that: The pedal assembly (3) comprises a mounting rod (31) and a pedal (32); There are two mounting rods (31), one end of each of the two mounting rods (31) is rotatably connected to the two side frames (1) respectively, and the other ends of the two mounting rods (31) are connected via hinges. A footrest (32) is installed on each of the two mounting rods (31).

3. The conveniently foldable wheelchair according to claim 1, characterized in that: The support assembly (4) comprises a support rod 1 (41) and a support rod 2 (42); The bottom end of the support rod 1 (41) is rotatably connected to one of the side frames (1), and the top end is connected to one side of the seat assembly (5); The second support rod (42) is rotatably connected to the middle part of the first support rod (41) and is cross-arranged. The bottom end of the second support rod (42) is rotatably connected to another side frame (1), and the top end is connected to the other side of the seat assembly.

4. The conveniently foldable wheelchair according to claim 1, characterized in that: The seat assembly (5) comprises a stop rod (51) and a seat plate (52); There are two baffle rods (51), and each of the two baffle rods (51) is rotatably connected with a seat plate (52), and the two seat plates (52) are connected via a hinge.

5. The conveniently foldable wheelchair according to claim 4, characterized in that: The backrest assembly (6) comprises a vertical rod (61), a supporting cloth (62) and a push handle (63); There are two vertical rods (61) and each is arranged on two blocking rods (51). A supporting cloth (62) is connected between the two vertical rods (61). A push handle (63) is installed at the rear end of each of the two vertical rods (61).

6. The conveniently foldable wheelchair according to claim 1, characterized in that: A handrail frame (7) is installed on the outer side of each of the two side frames (1), and the handrail frame (7) is placed between the side frame (1) and the rear wheel (21).

7. The conveniently foldable wheelchair according to claim 1, characterized in that: A set of dirt removal components (8) is installed on each of the two side frames (1).

8. The conveniently foldable wheelchair according to claim 7, characterized in that: The dirt removal assembly (8) comprises a support rod (81) and a dirt removal plate (82); One end of the support rod (81) is connected to the side frame (1), and the other end is connected to a dirt removal plate (82) with an arc-shaped structure. The dirt removal plate (82) is covered outside the rear wheel (21) and the distance between the two does not exceed 1 cm.

9. The conveniently foldable wheelchair according to claim 8, characterized in that: The dirt removal component (8) further comprises a sponge (83); The sponge (83) is mounted on the dirt removal plate (82) and is in contact with the surface of the rear wheel (21).

10. The conveniently foldable wheelchair according to claim 4, characterized in that: A seat cushion (9) is placed on the seat board (52).

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