TWM561518U - Wheelchair - Google Patents

Abstract

A wheelchair is disclosed. Two ends of each of the seat connection tubes are connected with the seat frame and the corresponding side frame. The seat frame and the seat connection tubes are telescopic by the combination of button units and holes. Two ends of each of the front connection tubes are connected with the front tube and the corresponding side frame. The front tube and the front connection tubes are telescopic by the combination of button units and holes. Two ends of each of the rear connection tubes are connected with the rear tube and the corresponding side frame. The rear tube and the rear connection tubes are telescopic by the combination of button units and holes. Each of the back connection tubes are connected with the back unit and the corresponding supporting frame. The back unit and the back connection tubes are telescopic by the screws.

Description

wheelchair

This creation is about a wheelchair, especially a wheelchair whose overall width can be adjusted, and the back of the chair can be centered.

Wheelchairs are auxiliary equipment that people with impaired or impaired feet need, and the functions of wheelchairs have been continuously improved to make users feel more comfortable. Some places, such as hospitals and rehabilitation centers, need to purchase many wheelchairs for use by the public, and because each person's body size is different, different size wheelchairs need to be purchased for different body types. However, this will have some disadvantages. On the one hand, it will increase the cost of these units. On the other hand, the wheelchairs on the market have only a fixed size. For users between the two sizes, it is not available in use. Good comfort.

Therefore, how to provide a wheelchair with adjustable width, which can be adjusted according to the user's body shape, so that all users can get a good sense of comfort, is really one of the important issues at present.

In view of the above-mentioned problems, one of the objectives of the present invention is to provide a wheelchair with adjustable width, which can be adjusted according to the user's body shape, so that all users can get a good sense of comfort.

To achieve the above purpose, a wheelchair of this creation includes two side frames, two wheel bodies, a telescopic seat cushion frame group, a telescopic front reinforcement tube group, a telescopic rear reinforcement tube group, two support units, and a telescopic chair back group. The two wheel bodies are respectively connected to the two side frames. The telescoping cushion frame group has a cushion frame and a plurality of cushion cushion connecting tubes, and two ends of each cushion cushion connecting tube are respectively connected with the cushion cushion frame and corresponding side frames, wherein the cushion cushion frame and the cushion cushion connecting tube system It is retractable by a combination of a plurality of pressing units and a plurality of adjusting holes. The telescopic front reinforcing pipe group has a front pipe and a plurality of front connecting pipes, and two ends of each front connecting pipe are respectively connected to the front pipe and the corresponding side frame, wherein the front pipe and the front connecting pipes are connected by a plurality of pressing units and The combination of a plurality of adjusting holes is retractable. The telescopic rear reinforcing pipe group has a rear pipe and a plurality of rear connecting pipes. Both ends of each rear connecting pipe are respectively connected to the rear pipe and the corresponding side frame. The rear pipe and the rear connecting pipes are connected by a plurality of pressing units and The combination of a plurality of adjusting holes is retractable. The two support units are respectively connected to the two side frames. The telescoping seat back set has a seat back unit and a plurality of seat back connecting pipes. Each seat back connecting pipe is respectively connected to the seat back unit and a corresponding supporting unit. The seat back unit and the seat back connecting pipes are connected by a plurality of screws. Lockable and retractable.

In one embodiment, each seat cushion connecting pipe system has a bent portion, and the corresponding side frame is connected through the bent portion.

In one embodiment, one end of each seat cushion connecting pipe connected to the side frame is connected to the side frame by a pressing unit.

In one embodiment, each front connecting pipe system has a bent portion, and the corresponding side frame is connected via the bent portion.

In one embodiment, one end of each of the front connecting pipes and the side frame is connected to the side frame by a pressing unit.

In one embodiment, the support units are connected to a handrail tube to form a handrail of a wheelchair.

In an embodiment, the seat back unit and the seat back connecting pipes are retractable by a combination of the screw locks and a plurality of marks, which are located on the seat back connecting pipes, the screw locks The pieces are provided on the seat back unit.

In one embodiment, the backrest unit and the backrest connecting pipes are retractable by a combination of the screw locks and a plurality of marks, and the armrest pipe is provided with a plurality of adjusting holes, and a distance between one of two adjacent adjusting holes It is substantially equal to the pitch of one of two adjacent marks.

In one embodiment, the wheelchair further includes a cushion, which is disposed on the seat cushion frame.

In one embodiment, the wheelchair further includes a toilet, which is disposed under the seat cushion frame.

As mentioned above, a wheelchair according to this creation has a telescopic seat cushion frame group, a telescopic front reinforcement tube group, a telescopic rear reinforcement tube group, and a telescopic chair back group. With the above settings, the wheelchair of this creation can be made into A wheelchair that can be easily adjusted in width can be adjusted according to the user's body shape, so that all users can get a good sense of comfort. In addition, the backrest unit and the backrest connecting pipes are retractable by a plurality of screw locks, thereby being set. After adjusting the width of the wheelchair of this creation, the backrest unit can be adjusted to the centered position, which is convenient. The user rests his head or back on the seat back unit.

FIG. 1 is a schematic diagram of a wheelchair 1 according to an embodiment of the present invention, FIG. 2 is a schematic diagram of another perspective of the wheelchair 1 of this embodiment, FIG. 3 is an exploded schematic diagram of the wheelchair 1 of this embodiment, and FIG. 4 is an implementation diagram Another exploded view of the wheelchair 1 of the example, in which some components are omitted to more clearly show some components of the embodiment. Please refer to FIG. 1 to FIG. 4 to describe the wheelchair 1 of this embodiment.

The wheelchair 1 of this embodiment includes two side frames 11, 12, two wheel bodies 13, 14, a telescopic seat cushion frame group 20, a telescopic front reinforcement tube group 30, a telescopic rear reinforcement tube group 40, two support units 51, 52 and a telescopic chair back group 60.

In this embodiment, the two side frames 11 and 12 serve as the left and right support frames of the wheelchair 1, and can be connected to multiple components, such as a telescopic seat cushion frame group 20, a telescopic front reinforcement tube group 30, and a telescopic rear reinforcement tube. Group 40 and two support units 51, 52 and so on. In this embodiment, the side frames 11 and 12 have a plurality of pipe bodies that can be connected to the above components. When the above members are connected to the side frames 11 and 12, the width of the wheelchair 1 is determined. The two wheel bodies 13 and 14 are connected to the two side frames 11 and 12 respectively, and are connected to the outer sides of the side frames 11 and 12 here. The wheels 13 and 14 are used for the wheelchair 1 to travel on the ground. In addition, two front wheels 15 and 16 are also provided at one end of the two side frames 11 and 12. The size of the front wheels 15 and 16 is smaller than that of the wheel bodies 13 and 14. The front wheels 15 and 16 can cooperate with the wheel bodies 13 and 14 to make the wheelchair 1 go to the ground.

The telescopic seat cushion frame group 20 is connected to the side frames 11 and 12. FIG. 5 is an exploded view of the telescopic seat cushion frame group 20 according to an embodiment of the present invention. Please refer to FIG. 5. Here, the telescopic seat cushion set 20 includes one cushion frame 21 and a plurality of seat cushion connecting pipes 22 a, 22 b, 22 c, and 22 d. The seat cushion frame 21 serves as a main support structure, and the seat cushion connection pipes 22 a, 22 b, 22 c, and 22 d are connected to the seat cushion frame 21. Please refer to FIGS. 1 to 5, both ends of each seat cushion connecting tube 22 a to 22 d are respectively connected to the seat cushion frame 21 and corresponding side frames. Here, the seat cushion connecting tubes 22 a and 22 b are connected to the seat cushion frame 21 and The side frame 11 is connected, and the seat cushion connecting pipes 22c and 22d are connected to the seat cushion frame 21 and the side frame 12 as an example. Among them, the seat cushion frame 21 and the seat cushion connecting pipes 22a to 22d are expandable and contractible by a combination of a plurality of pressing buttons B (pressing unit 105) and a plurality of adjusting holes H.

Refer to FIG. 8 and FIG. 9 for the operation modes of the push button B and the adjustment hole H. As shown in the figure, for example, the push button B is connected to an elastic member P. Here, the pressing unit 105 includes a pressing button B and an elastic member P. The pressing button B passes through the pipe body 22a through a perforation 106, and the pressing button B is connected to the elastic member P provided in the pipe body 22a. When the push button B is pressed, the button pressure B can be retracted by the elasticity of the elastic member P. At this time, the seat cushion connecting pipe 22a can be moved in one of the corresponding pipe bodies 211 of the seat cushion frame 21, and then moved to the next When adjusting the hole H, the pressing button B will protrude again from the adjusting hole H. If the position needs to be moved, the pressing button B can be pressed again to move it to the next adjusting hole H, so that the position of the pressing button B can be positioned. By moving the push button B to the other adjustment hole H, the width of one of the telescopic seat cushion frame groups 20 can be adjusted to adjust the width of the wheelchair 1. Adjustments can be made unilaterally or bilaterally. It should be noted that, in another embodiment, the seat cushion connecting pipes 22a to 22d may be provided with a plurality of adjusting holes, and the seat cushion frame 21 may be provided with a pressing button, which can also achieve the telescopic function. And this opposite setting can also be applied to the components described below.

In this embodiment, each of the seat cushion connecting pipes 22 a to 22 d has a bent portion 221, and the corresponding side frames 11 and 12 are connected through the bent portion 221. By providing the bent portion 221, the seat cushion connecting pipes 22a to 22d can be connected to the side frames 11, 12 in a similar manner, thereby facilitating assembly and disassembly. In addition, one end of each of the seat cushion connecting pipes 22a to 22d connected to the side frames 11 and 12 is connected to the side frames 11 and 12 by a push button B. In other words, the side frames 11, 12 are connected to one end of the seat cushion connecting pipes 22a to 22d by a tube body, and the corresponding tube bodies of the side frames 11, 12 are also provided with at least one adjustment hole to accommodate the push button B. The connection between the push button and the adjustment hole has been described in detail above, so it will not be repeated here.

FIG. 5 is also an exploded view of the reinforcing tube group 30 before stretching according to an embodiment of the present invention. Please refer to FIG. 5. In this embodiment, the telescopic front reinforcing pipe group 30 has a front pipe 31 and a plurality of front connecting pipes 32 a and 32 b. Both ends of each of the front connecting pipes 32 a and 32 b are respectively connected to the front pipe 31 and Corresponding side frames 11 and 12 are connected. Here, both ends of the front connecting pipe 32a are respectively connected to the front pipe 31 and the corresponding side frame 11, and both ends of the front connecting pipe 32b are respectively connected to the front pipe 31 and the corresponding side frame 12. In addition, the front pipe 31 and the front connecting pipes 32a and 32b are expandable and contractible by a combination of a plurality of pressing buttons B and a plurality of adjusting holes H. In this embodiment, each of the front connecting pipes 32 a and 32 b has a bent portion 321, and the corresponding side frames 11 and 12 are connected via the bent portion 321. In addition, one end of each of the front connecting pipes 32a, 32b connected to the side frames 11, 12 is connected to the side frames 11, 12 by a push button B. Since the above connection methods are the same as those in the foregoing embodiments, details are not described herein again.

Please refer to FIG. 2 and FIG. 4. In this embodiment, the telescopic rear reinforcing pipe group 40 has a rear pipe 41 and a plurality of rear connecting pipes 42 a and 42 b. Both ends of each rear connecting pipe 42 a and 42 b are respectively connected to the rear The tube 41 is connected to the corresponding side frames 11 and 12. Here, for example, two ends of the rear connecting pipe 42a are respectively connected to the rear pipe 41 and the corresponding side frame 11, and two ends of the rear connecting pipe 42b are respectively connected to the rear pipe 41 and the corresponding side frame 12. In addition, the rear pipe 41 and the rear connecting pipes 42a and 42b are expandable and contractible by a combination of a plurality of pressing buttons B and a plurality of adjusting holes H. Since the above connection methods are the same as those in the foregoing embodiments, details are not described herein again.

FIG. 6 is an exploded view of the support units 51, 52 and the retractable chair back group 60 of the second embodiment of the creative. Please refer to FIGS. 1, 2, 3, and 6 to explain the support units 51, 52 and the retractable chair back of this embodiment. Group of 60. The two supporting units 51 and 52 are respectively connected to the two side frames 11 and 12. Here, for example, the support unit 51 is connected to the side frame 11, and the support unit 52 is connected to the side frame 12. The connection manner of the support units 51 and 52 and the side frames 11 and 12 can be achieved by, for example, a combination of pressing a button and an adjustment hole or a screw lock manner.

In this embodiment, the retractable seat back group 60 includes a seat back unit 61 and a plurality of seat back connecting pipes 62a, 62b, 62c, and 62d. Each of the backrest connecting pipes 62a to 62d is respectively connected to the backrest unit 61 and the corresponding supporting units 51 and 52. Here, for example, the backrest connecting pipes 62a and 62b are respectively connected to the backrest unit 61 and the supporting unit 51. For connection, the seatback connecting pipes 62c and 62d are connected to the seatback unit 61 and the support unit 52, respectively. In this embodiment, the seat back connecting pipes 62a to 62d are connected to the supporting units 51 and 52 by screws S and locking pieces L.

In addition, the seat back unit 61 and the seat back connecting pipes 62 a to 62 d are expandable and contractible by a plurality of screw locks F, particularly by a combination of a plurality of screw locks F and a plurality of marks M. In detail, the seat back unit 61 has two parallel pipe bodies 611a and 611b disposed on the back of a cushion 63. The pipe body 611a can accommodate and connect the seatback connecting pipes 62a and 62c, and the pipe body 611b can accommodate and Connect the backrest connecting pipes 62b and 62d. Among them, the pipe body 611b is provided with a plurality of screw locks F. Here two are taken as an example. When the backrest connecting pipes 62b and 62d are moved in the pipe body 611b, they can be borrowed. The seat back connecting pipes 62b and 62d are locked by the screwing member F to fix them at a desired position, as shown in FIG. 10. In this way, when adjusting the width of the wheelchair 1 by adjusting the width of the telescopic seat cushion frame group 20, the telescopic front reinforcement tube group 30 and the telescopic rear reinforcement tube group 40, the cushion 63 can be placed in the middle position again to facilitate the user to place his head Department or back. In this embodiment, the marks M are located on the seatback connecting pipes 62a to 62d, and the screw locks F are provided on the seatback unit 61. In addition, a distance between two adjacent adjustment holes H is substantially equal to a distance between two adjacent marks M, thereby facilitating the user to adjust the width of the component to the most appropriate.

In addition, in this embodiment, the support units 51 and 52 are connected to an armrest tube 53 to form an armrest of the wheelchair 1. The armrest tube 53 and the support units 51 and 52 can also achieve the telescopic function by pressing the combination of the button B and the adjustment hole H. In this example, the button B is provided on the support units 51 and 52, and the adjustment hole H It is set on the armrest tube 53. Since the above connection methods are the same as those in the foregoing embodiments, details are not described herein again.

In this embodiment, the width of the wheelchair 1 can be adjusted by adjusting the width of the telescopic seat cushion frame group 20, the telescopic front reinforcement tube group 30, the telescopic rear reinforcement tube group 40, and the telescopic chair back group 60, as shown in FIG. Show general.

In addition, please refer to FIG. 1 to FIG. 3. In this embodiment, the wheelchair 1 may further include a cushion 101 that is disposed on the seat cushion frame 21. The wheelchair 1 may further include a toilet 102, which is disposed under the seat cushion frame 21. In addition, the wheelchair 1 can further include two pedals 103 and 104, which are respectively connected to the side frames 11, 12 and are convenient for the user to step on. The connection method can also achieve the telescopic function by the combination of pressing buttons and adjustments. And can control the pedaling height.

In summary, a wheelchair according to this creation has a telescopic seat cushion frame group, a telescopic front reinforcement tube group, a telescopic rear reinforcement tube group, and a telescopic chair back group. With the above settings, the wheelchair of this creation can be It becomes a wheelchair that can be easily adjusted in width, which can be adjusted according to the user's body shape, so that all users can get good comfort. In addition, the backrest unit and the backrest connecting pipes are retractable by a plurality of screw locks, thereby being set. After adjusting the width of the wheelchair of this creation, the backrest unit can be adjusted to the centered position, which is convenient. The user rests his head or back on the seat back unit.

The above description is exemplary only, and not restrictive. Any equivalent modification or change made without departing from the spirit and scope of this creation shall be included in the scope of the attached patent application.

1‧‧‧ Wheelchair

101‧‧‧ seat cushion

102‧‧‧ Toilet

103, 104‧‧‧ pedal

105‧‧‧Pressing unit

106‧‧‧perforation

11, 12‧‧‧ side frames

13, 14‧‧‧ wheel body

15, 16‧‧‧ front wheels

20‧‧‧ Telescopic Cushion Frame Set

21‧‧‧ seat cushion

211, 611a, 611b‧‧‧ tube

22a, 22b, 22c, 22d‧‧‧ seat cushion connecting pipe

221, 321‧‧‧Bend section

30‧‧‧ Reinforcing tube group

31‧‧‧ front tube

32a, 32b‧‧‧Front connecting pipe

40‧‧‧ Reinforced pipe group

41‧‧‧ rear tube

42a, 42b ‧‧‧ rear connecting pipe

51, 52‧‧‧ Support Unit

53‧‧‧Handrail tube

60‧‧‧ Retractable chair back set

61‧‧‧backrest unit

62a, 62b, 62c, 62d

63‧‧‧ cushion

B‧‧‧Press the button

F‧‧‧Screw Lock

H‧‧‧Adjustment hole

M‧‧‧ mark

L‧‧‧ lock plate

P‧‧‧Elastic piece

S‧‧‧screw

FIG. 1 is a schematic diagram of a wheelchair according to an embodiment of the present invention.

FIG. 2 is a schematic diagram of another perspective of a wheelchair according to an embodiment of the present invention.

FIG. 3 is an exploded view of a wheelchair according to an embodiment of the present invention.

FIG. 4 is another exploded view of a wheelchair according to an embodiment of the present invention.

FIG. 5 is an exploded schematic diagram of a telescopic seat cushion frame group and a telescopic reinforcing tube group according to an embodiment of the present invention.

FIG. 6 is an exploded schematic view of a support unit and a retractable chair back set according to the second embodiment of the present invention.

FIG. 7 is a schematic diagram of adjusting the width of a wheelchair according to an embodiment of the present invention.

FIG. 8 and FIG. 9 are operation schematic diagrams of the pressing unit and the adjusting hole according to an embodiment of the present invention.

FIG. 10 is a partially enlarged cross-sectional view of FIG. 2, showing a schematic view of locking a seat back connecting pipe by a screw lock according to an embodiment of the present invention.

Claims (10)

A wheelchair includes: two side frames; two wheel bodies respectively connected to the two side frames; a telescopic seat cushion frame group having a cushion frame and a plurality of cushion cushion connecting tubes, two ends of each of the cushion cushion connecting tubes are Respectively connected to the seat cushion frame and the corresponding side frame, wherein the seat cushion frame and the seat cushion connecting pipes are retractable by a combination of a plurality of pressing units and a plurality of adjusting holes; a telescopic front reinforcing tube group having A front pipe and a plurality of front connecting pipes, two ends of each of the front connecting pipes are respectively connected to the front pipe and the corresponding side frame, wherein the front pipe and the front connecting pipes are connected by a plurality of pressing units and a plurality of The combination of adjustment holes is retractable; a telescopic rear reinforcing tube group has a rear tube and a plurality of rear connecting tubes, and both ends of each of the rear connecting tubes are respectively connected to the rear tube and the corresponding side frame, wherein the The rear pipe and the rear connecting pipes are retractable by a combination of a plurality of pressing units and a plurality of adjusting holes; two support units connected to the two side frames respectively; and a telescopic chair back group having a chair back unit and a plurality of Backrest connecting tube The takeover system is respectively connected with the seatback unit and the corresponding support unit, wherein the seatback unit and the seatback connection pipes are retractable by a plurality of screw locks. The wheelchair according to item 1 of the scope of patent application, wherein each of the seat cushion connecting pipes has a bent portion, and the corresponding side frame is connected through the bent portion. The wheelchair according to item 1 of the scope of patent application, wherein one end of each of the seat cushion connecting pipes and the side frame is connected to the side frame by a pressing unit. The wheelchair according to item 1 of the scope of patent application, wherein each of the front connecting pipes has a bent portion, and the corresponding side frame is connected through the bent portion. The wheelchair according to item 1 of the scope of patent application, wherein one end of each of the front connecting pipes and the side frame is connected to the side frame by a pressing unit. The wheelchair according to item 1 of the scope of patent application, wherein the support units are connected to a handrail tube to form one handrail of the wheelchair, and the handrail tube and the support unit are combined by a plurality of pressing units and a plurality of adjusting holes. And scalable. The wheelchair according to item 1 of the scope of patent application, wherein the backrest unit and the backrest connecting pipes are retractable by a combination of the screw locks and a plurality of marks, which are located on the backs of the seats On the connecting pipe, the screw locks are arranged on the seat back unit. The wheelchair according to item 6 of the scope of patent application, wherein the backrest unit and the backrest connecting pipes are retractable by a combination of the screw locks and plural marks, and one of the two adjacent adjustment holes is adjacent The pitch is substantially equal to the pitch of one of the two adjacent marks. The wheelchair according to item 1 of the scope of patent application, further comprising: a cushion, which is arranged on the seat cushion frame. The wheelchair according to item 1 of the scope of patent application, wherein the pressing unit includes a pressing button and an elastic member, and the pressing button is connected to the elastic member.