Wheelchair capable of swinging

Abstract

The utility model relates to the technical field of medical instruments, in particular to a swingable wheelchair. The swingable wheelchair comprises a main frame, and a seat cushion, a backrest, a front wheel group and a first rear wheel group which are arranged on the main frame, and further comprises a swinging structure, a first telescopic assembly, a second telescopic assembly and a third telescopic assembly are arranged at the bottom of the main frame; the first telescopic assembly is connected with the swing structure and used for adjusting the terrain clearance of the swing structure. The second telescopic assembly is connected with the front wheel set and used for adjusting the terrain clearance of the front wheel set. The third telescopic assembly is connected with the first rear wheel set and used for adjusting the terrain clearance of the first rear wheel set.

Description

TECHNICAL FIELD

[0001] The utility model relates to medical instrument technical field, especially a kind of swingable wheelchair. BACKGROUND

[0002] For the crowd of long-term use wheelchair, if long time keeps fixed sitting posture on wheelchair, leg and hip will feel uncomfortable, and the existing hand-push wheelchair function is relatively single, generally only have moving function, and user cannot change sitting posture on wheelchair. Some existing electric wheelchair can swing by electric drive, to increase the functionality and use experience of wheelchair. But the swing function of this kind of electric wheelchair needs to rely on electric motor to realize, and the structure of this kind of electric wheelchair is relatively complex, overall weight is big, not only reduce the portability of wheelchair, and price is higher, for most of the weak population who need long-term use wheelchair, it is difficult to bear.

[0003] It can be seen that the prior art needs to be improved and improved. UTILITY MODEL CONTENT

[0004] In view of the above deficiencies of the prior art, the utility model aims at providing a swingable wheelchair, to solve the technical problem that the function of the hand-push wheelchair in the prior art is single, and the user can only keep a single sitting posture on the wheelchair, and long-term use will make people feel uncomfortable.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0006] A swingable wheelchair, comprising a main frame, a seat cushion, a backrest, a front wheel group and a first rear wheel group arranged on the main frame, wherein, further comprising a swing structure; The bottom of the main frame is provided with a first telescopic component, a second telescopic component and a third telescopic component; The first telescopic component is connected with the swing structure, for adjusting the ground clearance of the swing structure; The second telescopic component is connected with the front wheel group, for adjusting the ground clearance of the front wheel group; The third telescopic component is connected with the first rear wheel group, for adjusting the ground clearance of the first rear wheel group.

[0007] The swingable wheelchair, wherein, the main frame is further provided with a gas rod; The bottom of the backrest is rotatably connected with the main frame; The gas rod is located at the back side of the backrest, one end of which is rotatably connected with the backrest, and the other end is rotatably connected with the main frame.

[0008] The swingable wheelchair, wherein, further comprising a headrest structure, the headrest structure is arranged above the backrest, and is detachably connected with the backrest; The backrest is provided with a vertically extending slot; The bottom of the headrest structure is provided with a plurality of insertion columns, and the insertion columns are inserted into the slot.

[0009] The swingable wheelchair, further comprising a second rear wheel set arranged on the main frame, the second rear wheel set comprising two directional wheels; a connecting structure arranged on the rear part of the main frame, the connecting structure being detachably connected with the directional wheels.

[0010] The swingable wheelchair, wherein the connecting structure and the directional wheels are connected through a quick release assembly; the quick release assembly comprising a shaft sleeve and a quick release shaft; the shaft sleeve being arranged on the connecting structure; the quick release shaft having a protruding part at one end and an elastic clamping block at the other end; the end of the quick release shaft provided with the elastic clamping block sequentially penetrating the directional wheel and the shaft sleeve; the quick release shaft being rotatably connected with the directional wheel and the shaft sleeve respectively; the protruding part being used to prevent the directional wheel from being detached from the quick release shaft; the elastic clamping block being used to prevent the quick release shaft from being detached from the shaft sleeve.

[0011] The swingable wheelchair, wherein the first telescopic assembly comprises a first pipe, a second pipe and a pin; the first pipe being fixedly connected with the main frame, the second pipe being inserted into the first pipe from bottom to top; the first pipe being provided with a group of first fixing holes; the second pipe being vertically provided with a plurality of groups of second fixing holes; the pin penetrating the first fixing holes and the second fixing holes, and being used to fix the second pipe on the first pipe; the bottom of the second pipe being fixedly connected with the swing structure.

[0012] The swingable wheelchair, wherein the swing structure comprises two arc-shaped bent pipes.

[0013] The swingable wheelchair, wherein the main frame comprises two side support structures and a folding structure used to connect the two side support structures; the seat cushion being a foldable seat cushion; the backrest being a foldable backrest; the bottom of the folding structure being rotatably connected with the two side support structures respectively; the top of the folding structure being provided with two support pipes on both sides; the seat cushion being fixed on the two support pipes; the top of the side support structure being fixed with a plurality of supporting blocks; the top of the supporting block being provided with a clamping groove, the clamping groove being used to place the support pipe.

[0014] The swingable wheelchair, wherein the backrest is provided with a handle; the handle being provided with a brake handle; the main frame being provided with a brake piece, the brake piece being used to brake the directional wheel; the brake handle being in transmission connection with the brake piece; the brake piece being provided with a lever.

[0015] The swingable wheelchair, wherein the main frame is further provided with a footboard, an armrest and a safety belt.

[0016] Beneficial effects: the utility model provides a swingable wheelchair, swingable wheelchair is given hand -operated wheelchair with swing function through setting swing structure, and through setting first telescopic component, second telescopic component and third telescomatic component to realize the height of quick adjustment swing structure, front wheel group and first rear wheel group, make the use state of wheelchair change. When the user sits on the wheelchair in swing mode, the gravity center moves back, thereby changing the stress condition and sitting posture, and the use experience of the user is better. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 For the structure diagram of the swingable wheelchair Figure 1 .

[0018] Figure 2 For the structure diagram of the backrest.

[0019] Figure 3 For the structure diagram of the swingable wheelchair Figure 2 .

[0020] Figure 4 For the structure diagram of the swingable wheelchair Figure 3 .

[0021] Figure 5 For the structure diagram of the swingable wheelchair Figure 4 .

[0022] Figure 6 For Figure 5 The enlarged view at A.

[0023] Figure 7 For the structure diagram of the swingable wheelchair Figure 5 .

[0024] Figure 8 For the structure diagram of the quick release shaft.

[0025] Figure 9 For the structure diagram of the swingable wheelchair Figure 6 .

[0026] Figure 10 For Figure 9 The enlarged view at B.

[0027] Figure 11 For the structure diagram of the bolt.

[0028] Figure 12 For the structure diagram of the main frame.

[0029] Figure 13 For the structure diagram of the supporting block.

[0030] Figure 14 For the structure diagram of the swingable wheelchair Figure 7 .

[0031] Main element symbol explanation: 1-main frame, 2-seat cushion, 3-backrest, 4-front wheel group, 5-first rear wheel group, 6-rocking structure, 7-first telescopic assembly, 8-second telescopic assembly, 9-third telescopic assembly, 10-air rod, 11-headrest structure, 1101-inserting column, 301-inserting slot, 12-second rear wheel group, 1201-directional wheel, 1202-hand pushing ring, 101-connecting structure, 1203-axle sleeve, 1204-quick release shaft, 1205-protruding part, 1206-elastic clamping block, 701-first pipe, 7011-first fixing hole, 702-second pipe, 7021-second fixing hole, 703-peg, 7031-C-shaped part, 7032-inserting strip part, 601-arc-shaped elbow pipe, 102-side supporting structure, 103-folding structure, 1031-supporting pipe, 1021-supporting block, 1022-clamping groove, 1032-connecting rod, 13-grip, 14-brake handle, 15-brake piece, 151-pushing rod, 16-foot pedal, 17-handrail, 18-safety belt. DETAILED DESCRIPTION

[0032] The utility model provides a rocking wheelchair, in order to make the purpose, technical scheme and effect of the utility model more clear, explicit, the following refers to the drawing and raises example to the utility model further detailed explanation. It should be understood that the specific embodiment described here is only used to explain the utility model, and is not used to limit the utility model.

[0033] In the description of the utility model, it should be understood that the terms "upper", "lower", "left", "right" and the like indicate the orientation or positional relationship shown in the drawings, and are only used to facilitate the description of the utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, and a particular orientation configuration and operation, therefore, it cannot be understood as a limitation on the utility model. In addition, "first", "second" are only used for description purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can explicitly or implicitly include one or more features. In the description of the utility model, unless otherwise specified, the meaning of "a plurality of" is two or more.

[0034] Please refer to Figure 1The utility model provides a kind of swingable wheelchair, including main frame 1 and be arranged on the seat cushion 2 of the main frame 1, backrest 3, front wheel group 4 and first rear wheel group 5, wherein, still including swing structure 6;The bottom of the main frame 1 is provided with first telescopic component 7, second telescopic component 8 and third telescopic component 9;First telescopic component 7 is connected with swing structure 6, for adjusting the ground clearance of swing structure 6;Second telescopic component 8 is connected with front wheel group 4, for adjusting the ground clearance of front wheel group 4;Third telescopic component 9 is connected with first rear wheel group 5, for adjusting the ground clearance of first rear wheel group 5.

[0035] Specifically, the swingable wheelchair of the utility model can be switched into moving mode and swing mode.When in moving mode, swing structure 6 is lifted by first telescopic component 7, away from the ground, and second telescopic component 8 and third telescopic component 9 are elongated, so that front wheel group 4 and first rear wheel group 5 contact the ground.

[0036] When it is needed to be switched into swing mode, first telescopic component 7 is elongated, swing structure 6 is contacted with the ground, and then front wheel group 4 and first rear wheel group 5 are lifted by second telescopic component 8 and third telescopic component 9, away from the ground. Thus, the wheelchair is supported only by swing structure 6, the wheelchair is changed into a rocking chair, the center of gravity of the user moves backward, and the pressure is partially transferred to backrest 3, so that the sitting posture of the user is changed. By changing the mode of the swingable wheelchair, the functionality of the wheelchair can be increased. Especially when the user needs to take a break, the wheelchair can be switched into swing mode, without the need to transfer to a bed or a bench for rest, and the convenience is better. Compared with moving mode, the comfort is also better.

[0037] Please refer to Figure 1 In an embodiment, the main frame 1 is further provided with gas rod 10;The bottom of backrest 3 is rotationally connected with main frame 1;The gas rod is located at the back side of backrest 3, one end thereof is rotationally connected with backrest 3, and the other end thereof is rotationally connected with main frame 1. In this embodiment, backrest 3 can change the inclination angle by pressing gas rod 10. Specifically, after the wheelchair is switched into swing mode, backrest 3 can be pressed backward, so that the inclination angle of the back of the user is larger, and the comfort is better.

[0038] Please refer to Figure 2 And Figure 3In an embodiment, the swingable wheelchair further comprises a headrest structure 11, which is arranged above the backrest 3 and detachably connected with the backrest 3; the backrest 3 is provided with vertically extending insertion slots 301; the bottom of the headrest structure 11 is provided with a plurality of insertion columns 1101, which are inserted into the insertion slots 301. In this embodiment, after the headrest structure 11 is connected with the backrest 3, the human back and head can be supported, and after the wheelchair is switched to the swing mode, the user can lie on the wheelchair without worrying about the head being suspended and lacking support. When the wheelchair needs to be moved by a caregiver, the wheelchair is switched back to the moving mode, and the headrest structure 11 is detached to avoid affecting the caregiver to push the wheelchair.

[0039] Please refer to Figures 4-6 In an embodiment, the swingable wheelchair further comprises a second rear wheel set 12 arranged on the main frame 1, the second rear wheel set 12 comprising two directional wheels 1201; the rear of the main frame 1 is provided with a connecting structure 101, which is detachably connected with the directional wheels 1201. Specifically, the diameter of the directional wheels 1201 is greater than the diameter of the wheels of the front wheel set 4 and the first rear wheel set 5. The second rear wheel set 12 and the first rear wheel set 5 can be applicable to different scenes, and the user can switch the first rear wheel set 5 or the second rear wheel set 12 according to the use needs. When the second rear wheel set 12 needs to be used, the second rear wheel set 12 is installed on the main frame 1, and then the first rear wheel set 5 is lifted away from the ground. If the first rear wheel set 5 needs to be used, the first rear wheel set 5 is lowered, and the second rear wheel set 12 is detached.

[0040] Preferably, the directional wheels 1201 are further provided with hand pushing rings 1202, which can be used by the user without the help of a caregiver to move the wheelchair.

[0041] Please refer to Figures 6-8In one embodiment, the connecting structure 101 is connected with the directional wheel 1201 through a quick release assembly; the quick release assembly comprises a shaft sleeve 1203 and a quick release shaft 1204; the shaft sleeve 1203 is arranged on the connecting structure 101; one end of the quick release shaft 1204 is provided with a protruding part 1205, and the other end is provided with an elastic clamping block 1206; the end of the quick release shaft 1204 provided with the elastic clamping block 1206 sequentially passes through the directional wheel 1201 and the shaft sleeve 1203; the quick release shaft 1204 is rotationally connected with the directional wheel 1201 and the shaft sleeve 1203 respectively; the protruding part 1205 is used to prevent the directional wheel 1201 from being separated from the quick release shaft 1204; and the elastic clamping block 1206 is used to prevent the quick release shaft 1204 from being separated from the shaft sleeve 1203. Specifically, when installing the directional wheel 1201, the elastic clamping block 1206 on the quick release shaft 1204 is pressed downward first, so that the quick release shaft 1204 sequentially passes through the directional wheel 1201 and the shaft sleeve 1203; after one end of the elastic clamping block 1206 passes through the shaft sleeve 1203, the elastic clamping block 1206 is reset and pops up, and the height of the elastic clamping block 1206 is greater than the inner diameter of the shaft sleeve 1203, so that the elastic clamping block 1206 cannot pass through the shaft sleeve 1203, and the quick release shaft 1204 is clamped on the shaft sleeve 1203. When it is necessary to disassemble the directional wheel 1201, the elastic clamping block 1206 only needs to be pressed again and passed through the shaft sleeve 1203, so that the quick release shaft 1204 and the shaft sleeve 1203 can be separated. In this embodiment, through the arrangement of the quick release assembly, the second rear wheel set 12 can be quickly installed and disassembled, and the convenience of use is provided.

[0042] Please refer to Figure 9 and Figure 10 In one embodiment, the first telescopic assembly 7 comprises a first pipe 701, a second pipe 702 and a pin 703; the first pipe 701 is fixedly connected with the main frame 1, and the second pipe 702 is inserted into the first pipe 701 from bottom to top; a group of first fixing holes 7011 are arranged on the first pipe 701; a plurality of groups of second fixing holes 7021 are vertically arranged on the second pipe 702; the pin 703 passes through the first fixing holes 7011 and the second fixing holes 7021, and is used to fix the second pipe 702 on the first pipe 701; the bottom of the second pipe 702 is fixedly connected with the swing structure 6. When it is necessary to adjust the length of the first telescopic assembly 7, the pin 703 is pulled out first, then the depth of the second pipe 702 inserted into the first pipe 701 is adjusted, the next second fixing hole 7021 is aligned with the first fixing hole 7011, and the pin 703 is inserted again.

[0043] Please refer to Figure 11, preferably, the plug 703 is a C-shaped plug. The C-shaped plug comprises a C-shaped part 7031 and a plug part 7032. The C-shaped part 7031 is used to be clamped on the outer wall of the first pipe 701, so that the C-shaped plug is not easy to fall off; the plug part 7032 is used to be inserted into the first fixing hole 7011 and the second fixing hole 7021.

[0044] Preferably, the second telescopic assembly 8 and the third telescopic assembly 9 can also adopt the same structure as the first telescopic assembly 7.

[0045] Please refer to Figure 9 In an embodiment, the rocking structure 6 comprises two arc-shaped bent pipes 601. The two arc-shaped bent pipes 601 are arranged in parallel, so that a user sitting on the wheelchair can rock.

[0046] In an embodiment, the front wheel group 4 and the first rear wheel group 5 each comprise two universal wheels; the first rear wheel group 5 is arranged on the inner side of the main frame 1, and the second rear wheel group 12 is arranged on the outer side of the main frame 1. Preferably, the first rear wheel group 5 is composed of two small-size universal wheels and is located below the seat cushion 2. By staggering the first rear wheel group 5 and the second rear wheel group 12, the first rear wheel group 5 and the second rear wheel group 12 do not interfere with each other in the installation position, and when it is necessary to switch the first rear wheel group 5 to use the second rear wheel group 12, it is not necessary to dismount the first rear wheel group 5 and then install the second rear wheel group 12, so that the wheelchair can be quickly switched to use mode.

[0047] Please refer to Figure 12 and Figure 13 In an embodiment, the main frame 1 comprises two side support structures 102 and a folding structure 103 for connecting the two side support structures 102; the seat cushion 2 is a foldable seat cushion 2; the backrest 3 is a foldable backrest 3; the bottom of the folding structure 103 is rotationally connected with the two side support structures 102 respectively; the top of the folding structure 103 is provided with two support pipes 1031 respectively; the seat cushion 2 is fixed on the two support pipes 1031; the top of the side support structure 102 is fixed with a plurality of supporting blocks 1021; the top of the supporting block 1021 is provided with a clamping groove 1022, and the clamping groove 1022 is used for placing the support pipe 1031. In this embodiment, the main frame 1 can be folded, thereby reducing the occupied space and facilitating carrying and storage. When the wheelchair is opened, the top and bottom of the folding structure 103 are unfolded to the left and right sides, and the support pipe 1031 at the top of the folding structure 103 finally falls into the clamping groove 1022 and is connected with the supporting block 1021, thereby fixing the structure of the main frame 1. When a user sits on the seat cushion 2, the support pipe 1031 connected with the seat cushion 2 will be subjected to a downwardly inclined traction force, at which time the supporting block 1021 will support the support pipe 1031 and hinder the downward movement of the support pipe 1031, thereby preventing the folding of the folding structure 103.

[0048] Preferably, the folding structure 103 can be an X-shaped connecting rod. The X-shaped connecting rod comprises two middle rotating connecting connecting rods 1032, the top of the connecting rods 1032 is fixedly connected with the support pipe 1031, and the bottom is rotatably connected with the side support structure 102.

[0049] Referring to Figure 14 In an embodiment, the backrest 3 is provided with a handle 13, the handle 13 is provided with a brake handle 14, the main frame 1 is provided with a brake 15, the brake 15 is used to brake and stop the directional wheel 1201, the brake handle 14 is in transmission connection with the brake 15, and the brake 15 is provided with a pulling rod 151. In the process of pushing the wheelchair by the caregiver, the brake handle 14 can be used to control the brake. When the user brakes by himself, the pulling rod 151 can also be used to trigger the brake 15 to brake and stop the directional wheel 1201.

[0050] Referring to Figure 14 In an embodiment, the main frame 1 is further provided with a foot pedal 16, an armrest 17 and a safety belt 18. The foot pedal 16 is arranged on the front side of the main frame 1 and is used to support the feet of the user so that the user does not need to be suspended. Specifically, the left and right sides of the seat cushion 2 are both provided with the armrest 17. The safety belt 18 is fixed on the main frame 1 and is used to prevent the weak from falling off the wheelchair.

[0051] In summary, the utility model discloses a swing structure 6 and a first telescopic assembly 7, a second telescopic assembly 8 and a third telescopic assembly 9 are arranged to adjust the ground clearance of the swing structure 6, the front wheel set 4 and the first rear wheel set 5 respectively, so that the wheelchair can be easily switched between the moving mode and the swing mode, the functionality of the wheelchair is increased, the structure is simple, the portability of the wheelchair is not affected, and the weight of the wheelchair is not obviously increased.

[0052] It can be understood that, for those skilled in the art, the technical scheme and the utility model concept of the utility model can be replaced or changed equivalently, and all these changes or replacements shall belong to the protection scope of the claims attached to the utility model.

Claims

1. A rocking wheelchair, comprising a main frame and a seat cushion, a backrest, a front wheel assembly, and a first rear wheel assembly disposed on the main frame, characterized in that, It also includes a swing structure; the bottom of the main frame is provided with a first telescopic component, a second telescopic component and a third telescopic component; the first telescopic component is connected to the swing structure and is used to adjust the ground clearance of the swing structure; the second telescopic component is connected to the front wheel assembly and is used to adjust the ground clearance of the front wheel assembly; the third telescopic component is connected to the first rear wheel assembly and is used to adjust the ground clearance of the first rear wheel assembly.

2. The rocking wheelchair according to claim 1, characterized in that, The main frame is also equipped with a gas spring; the bottom of the backrest is rotatably connected to the main frame; the gas spring is located on the rear side of the backrest, with one end rotatably connected to the backrest and the other end rotatably connected to the main frame.

3. The rocking wheelchair according to claim 2, characterized in that, It also includes a headrest structure, which is located above the backrest and is detachably connected to the backrest; the backrest has a vertically extending slot; the bottom of the headrest structure has multiple inserts that are inserted into the slots.

4. The rocking wheelchair according to claim 2, characterized in that, It also includes a second rear wheel assembly mounted on the main frame, the second rear wheel assembly including two directional wheels; a connecting structure is provided on the rear of the main frame, the connecting structure being detachably connected to the directional wheels.

5. The rocking wheelchair according to claim 4, characterized in that, The connecting structure is connected to the directional wheel via a quick-release assembly; the quick-release assembly includes a bushing and a quick-release shaft; the bushing is disposed on the connecting structure; one end of the quick-release shaft is provided with a protrusion, and the other end is provided with an elastic locking block; the end of the quick-release shaft with the elastic locking block passes through the directional wheel and the bushing in sequence; the quick-release shaft is rotatably connected to the directional wheel and the bushing respectively; the protrusion is used to prevent the directional wheel from disengaging from the quick-release shaft; the elastic locking block is used to prevent the quick-release shaft from disengaging from the bushing.

6. The rocking wheelchair according to claim 1, characterized in that, The first telescopic assembly includes a first tube, a second tube, and a pin; the first tube is fixedly connected to the main frame, and the second tube is inserted into the first tube from bottom to top; the first tube is provided with a set of first fixing holes; the second tube is provided with multiple sets of second fixing holes vertically; the pin passes through the first fixing holes and the second fixing holes to fix the second tube to the first tube; the bottom of the second tube is fixedly connected to the swing structure.

7. The rocking wheelchair according to claim 1, characterized in that, The rocking structure includes two curved pipes.

8. The rocking wheelchair according to claim 1, characterized in that, The main frame includes two side support structures and a folding structure for connecting the two side support structures; the seat cushion is a foldable seat cushion; the backrest is a foldable backrest; the bottom of the folding structure is rotatably connected to the two side support structures respectively; support tubes are respectively provided on the top two sides of the folding structure; the seat cushion is fixed on the two support tubes; multiple support blocks are fixed on the top of the side support structures; the top of the support blocks is provided with a slot for inserting the support tubes.

9. The rocking wheelchair according to claim 4, characterized in that, The backrest is equipped with a handle; the handle is equipped with a brake lever; the main frame is equipped with a brake component, which is used to stop the directional wheels; the brake lever is connected to the brake component; the brake component is equipped with a lever.

10. The rocking wheelchair according to any one of claims 1-9, characterized in that, The main frame is also equipped with foot pedals, handrails, and safety belts.

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