CN210903729U

CN210903729U - Wheelchair with flexibly adjustable structure

Info

Publication number: CN210903729U
Application number: CN201921142320.5U
Authority: CN
Inventors: 赵键荣; 何万贤
Original assignee: FOSHAN DONGFANG MEDICAL EQUIPMENT MANUFACTORY Ltd
Current assignee: FOSHAN DONGFANG MEDICAL EQUIPMENT MANUFACTORY Ltd
Priority date: 2019-07-19
Filing date: 2019-07-19
Publication date: 2020-07-03
Anticipated expiration: 2029-07-19

Abstract

The utility model discloses a wheelchair with a flexibly adjustable structure, which comprises a frame, a seat frame, a backrest frame and two handrails, wherein the frame comprises a first bracket and a second bracket, wherein the first bracket and the second bracket both comprise an upper bracket rod and a lower bracket rod; the seat frame comprises a first seat cushion supporting rod and a second seat cushion supporting rod; the first cushion support rod is arranged above the upper support rod of the first support and is fixedly connected with the lower support rod of the second support through at least one first oblique rod, and the second cushion support rod is arranged above the upper support rod of the second support and is fixedly connected with the lower support rod of the first support through at least one second oblique rod; and a plurality of seat frame mounting holes which are arranged at equal intervals along the extension direction of the second bracket and are used for mounting bolts are formed in the middle sections of the lower bracket rod of the second bracket and the lower bracket rod of the first bracket.

Description

Wheelchair with flexibly adjustable structure

Technical Field

The utility model relates to the technical field of wheelchairs, in particular to a wheelchair with a flexibly adjustable structure.

Background

The structure of present wheelchair, frame, seat frame, back frame and two handrails all are reciprocal anchorage, and the specification is single, can't carry out adaptability according to user's actual need and adjust, can't carry out the matching according to different users ' stature and adjust, cause great influence to user's comfort level.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model aims to provide a wheelchair which has an ingenious structure and a high practicability and can be flexibly adjusted.

In order to achieve the above purpose, the utility model provides a scheme does: a wheelchair with a flexibly adjustable structure comprises a frame, a seat frame, a backrest frame and two handrails, wherein the frame comprises a first bracket and a second bracket which are in mirror symmetry, and the first bracket and the second bracket respectively comprise an upper bracket rod and a lower bracket rod which are arranged up and down and are parallel to each other; the seat frame comprises a first seat cushion supporting rod and a second seat cushion supporting rod which are parallel to each other; the first cushion supporting rod is arranged above an upper supporting rod of the first support and is fixedly connected with a lower supporting rod of the second support through at least one first inclined rod, the second cushion supporting rod is arranged above an upper supporting rod of the second support and is fixedly connected with a lower supporting rod of the first support through at least one second inclined rod, wherein the top end of the first inclined rod is welded with the first cushion supporting rod, the bottom end of the first inclined rod is connected with the lower supporting rod of the second support through a bolt, meanwhile, the top end of the second inclined rod is welded with the second cushion supporting rod, the bottom end of the second inclined rod is connected with the lower supporting rod of the first support through a bolt, and a plurality of seat frame mounting holes which are arranged at equal intervals along the respective extending direction and are used for mounting bolts are formed in the middle positions of the lower supporting rod of the second support and the lower supporting rod of the first support.

Furthermore, the upper support rod of the first support and the upper support rod of the second support are both fixedly provided with a bearing block for respectively bearing the first cushion support rod and the second cushion support rod.

Furthermore, the bottom ends of the first diagonal rod and the second diagonal rod are respectively provided with a first sleeve and a second sleeve, the first sleeve and the second sleeve are respectively slidably and correspondingly sleeved on the lower support rod of the second support and the lower support rod of the first support, and sleeve fixing holes matched with the seat frame mounting holes and used for fixing through bolts are formed in the first sleeve and the second sleeve.

Further, the number of the first inclined rod and the second inclined rod is two.

Furthermore, the device also comprises two angle adjusting pieces which are respectively arranged on the first bracket and the second bracket; each angle adjusting piece comprises two angle adjusting sheets which are arranged on two sides of the corresponding upper support rod in mirror symmetry, and each angle adjusting sheet is provided with a backrest connecting hole for connecting the backrest frame, an armrest connecting hole for connecting the rear ends of the armrests, a frame connecting hole for connecting the frame and a backrest angle adjusting groove for connecting the backrest frame.

Furthermore, the number of the frame connecting holes on each angle adjusting piece is at least two, and the rear ends of the two upper support rods of the frame are respectively provided with a plurality of angle adjusting piece fixing holes which are arranged along the respective extending direction and correspondingly matched with the frame connecting holes.

Furthermore, the backrest connecting hole and the backrest angle adjusting groove on each angle adjusting sheet are arranged up and down, wherein the backrest angle adjusting groove is an arc-shaped groove formed by connecting a plurality of angle adjusting holes, and the circle center of the arc-shaped groove is positioned on the backrest connecting hole.

Compared with the prior art, the utility model, through the structure, adjustment on the position around seat frame, handrail and back frame homoenergetic relatively frame goes on, and the back frame can also carry out the adjustment on the inclination for the structure of whole wheelchair can carry out the relative adjustment on many-sided position according to user's actual demand, greatly increased user's comfort level, has good practicality, and the suitability is wider.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

The bicycle comprises a bicycle frame 1, a bicycle frame 2, a seat frame 3, a backrest frame 4, a handrail 5, an upper support rod 6, a lower support rod 7, a seat cushion support rod 8, an inclined rod 9, a bearing block 10, a sleeve pipe 11, an angle adjusting sheet 12 and a mounting vertical plate.

Detailed Description

The invention will be further described with reference to the following specific embodiments:

referring to fig. 1, the wheelchair with a flexibly adjustable structure in the present embodiment includes a frame 1, a seat frame 2, a backrest frame 3, and two handrails 4, wherein the frame 1 includes a first bracket and a second bracket that are mirror images, and the first bracket and the second bracket each include an upper bracket rod 5 and a lower bracket rod 6 that are vertically arranged and parallel to each other; the seat frame 2 includes a first seat support bar 7 and a second seat support bar 7 which are parallel to each other; the first cushion support rod 7 is arranged above the upper support rod 5 of the first support and is fixedly connected with the lower support rod 6 of the second support through two first oblique rods 8, the second cushion support rod 7 is arranged above the upper support rod 5 of the second support and is fixedly connected with the lower support rod 6 of the first support through two second oblique rods, wherein the top end of the first oblique rod 8 is welded with the first cushion support rod 7, the bottom end of the first oblique rod is connected with the lower support rod 6 of the second support through a bolt, meanwhile, the top end of the second oblique rod is welded with the second cushion support rod 7, the bottom end of the second oblique rod is connected with the lower support rod 6 of the first support through a bolt, and a plurality of mounting holes for mounting bolts are arranged at equal intervals along the respective extending directions on the middle sections of the lower support rod 6 of the second support and the lower support rod 6 of the first support; specifically, the bottom ends of the first diagonal bar 8 and the second diagonal bar 8 are fixedly connected with a first sleeve 10 and a second sleeve 10 through screws respectively, the extending direction of the first sleeve 10 and the second sleeve 10 is consistent with the extending direction of the lower support bar 6, the first sleeve 10 and the second sleeve 10 are slidably and correspondingly sleeved on the lower support bar 6 of the second support and the lower support bar 6 of the first support respectively (the pipe diameter of the first sleeve 10 and the second sleeve 10 is slightly larger than the rod body diameter of the lower support bar 6), and sleeve 10 fixing holes matched with the mounting holes of the seat frame 2 through bolts are formed in the first sleeve 10 and the second sleeve 10, so that the first sleeve 10 and the second sleeve 10 can respectively move back and forth along the lower support bar 6 of the second support and the lower support bar 6 of the first support, so that the sleeve 10 fixing holes on the first sleeve 10 and the second sleeve 10 are aligned with the mounting holes of the corresponding seat frame 2, the first sleeve 10 and the second sleeve 10 are fixedly arranged on the lower support rod 6 of the second support and the lower support rod 6 of the first support after bolts penetrate through the fixing holes of the sleeves 10 and the mounting holes of the seat frame 2.

Through the structure, when the wheelchair is installed, the positions of the first sleeve 10 and the second sleeve 10 on the lower support rod 6 of the second support and the lower support rod 6 of the first support are respectively adjusted through the front and back (after adjustment, the fixing holes of the sleeve 10 and the mounting holes of the seat frame 2 are fixed through bolts, so that the first sleeve 10 and the second sleeve 10 can be respectively fixed on the lower support rod 6 of the second support and the lower support rod 6 of the first support), the front and back positions of the first seat cushion support rod 7 and the second seat cushion support rod 7 relative to the first support and the second support can be adjusted, namely, the front and back positions of the whole seat frame 2 relative to the whole frame 1 can be adjusted, so that different requirements of users can be met, and the wheelchair has good practicability.

In this embodiment, all fix on the upper bracket pole 5 of first support and the upper bracket pole 5 of second support and be equipped with the bearing piece 9 that is used for the first seatpad bracing piece 7 and the second seatpad bracing piece 7 of bearing respectively, the effect of bearing piece 9 plays the effect of supporting to first seatpad bracing piece 7 and second seatpad bracing piece 7, plays the supporting role to seat frame 2 promptly for the structure is firm more.

In this embodiment, the device further comprises two angle adjusting pieces respectively arranged on the first bracket and the second bracket; each angle adjusting piece comprises two angle adjusting sheets 11 which are arranged at two sides of the corresponding upper support rod 5 in a mirror symmetry mode (the two opposite angle adjusting sheets 11 are connected through one or more connecting rods to ensure the structural stability and strength), and each angle adjusting sheet 11 is provided with a backrest connecting hole for connecting the backrest frame 3, a handrail 4 connecting hole for connecting the rear end of the handrail 4, a frame 1 connecting hole for connecting the frame 1 and a backrest angle adjusting groove for connecting the backrest frame 3; specifically, the angle adjusting piece is fixedly connected with an angle adjusting piece fixing hole pre-opened on an upper bracket rod 5 of the frame 1 through a connecting hole of the frame 1 on the two angle adjusting pieces 11 through a bolt, so that the angle adjusting piece is fixed on the frame 1; the front end of the handrail 4 is buckled on the corresponding upper bracket rod 5 through a buckle part, the rear end of the handrail 4 penetrates between the two angle adjusting pieces 11 of the angle adjusting piece, the rear end of the handrail is provided with a mounting hole aligned with the handrail 4 connecting hole on the angle adjusting piece 11, and the rear end of the handrail 4 is fixedly connected with the angle adjusting piece by penetrating through the handrail 4 connecting hole and the handrail 4 mounting hole through bolts; the backrest frame 3 is connected to the backrest connecting hole and the backrest angle adjusting groove on the angle adjusting sheet 11 and can adjust the angle, specifically, the backrest connecting hole and the backrest angle adjusting groove on the angle adjusting sheet 11 are arranged up and down, wherein the arc-shaped groove formed by connecting a plurality of angle adjusting holes of the backrest angle adjusting groove and the circle center of the arc-shaped groove are positioned on the backrest connecting hole, two backrest frame 3 mounting holes arranged up and down are arranged on the bottom end of the backrest frame 3, the backrest frame 3 mounting holes positioned above are aligned with the backrest connecting hole and are fixedly connected through bolts, the backrest frame 3 mounting holes positioned below are aligned with the angle adjusting holes on the backrest angle adjusting groove and are fixedly connected through bolts, the backrest frame 3 is connected with different angle adjusting holes, and the angle of the backrest frame 3 can be adjusted through different angles.

In this embodiment, the number of the frame 1 connecting holes on each angle adjusting piece 11 is two, and the rear ends of the two upper frame rods 5 of the frame 1 are respectively provided with a plurality of angle adjusting piece fixing holes which are arranged along the respective extending direction and are matched with the frame 1 connecting holes to be connected through bolts, the front and rear positions of the angle adjusting piece relative to the frame 1 can be adjusted by matching the frame 1 connecting holes on the angle adjusting piece 11 with different angle adjusting piece fixing holes, because the armrests 4 and the backrest frame 3 are both fixed on the frame 1 through the angle adjusting pieces, the adjustment of the front and rear positions of the angle adjusting piece, namely the front and rear positions of the armrests 4 and the backrest frame 3 relative to the frame 1, the front and rear positions of the armrests 4 and the backrest frame 3 relative to the frame 1 are adjusted, and the practicability is increased.

In this embodiment, still be connected with the installation riser 12 that supplies the rear wheel installation between the rear end of the upper bracket pole 5 of first support and second support and lower support pole 6, the top and the bottom of this installation riser 12 are respectively through bolted connection on upper bracket pole 5 and lower support pole 6 and can make the adjustment of fore-and-aft position, install simultaneously and offer a plurality of rear wheel mounting holes that arrange at equal intervals along vertical direction on riser 12, can make the rear wheel can make the adjustment of upper and lower and fore-and-aft position through such structure, specifically can refer to the chinese patent that publication number is CN 208447965U.

In addition, it should be noted that the names of the parts and the like of the embodiments described in the present specification may be different, and all the equivalent or simple changes made according to the structure, the features and the principle of the present invention are included in the protection scope of the present invention. Various modifications, additions and substitutions may be made by those skilled in the art without departing from the scope of the invention as defined in the accompanying claims.

Claims

1. The utility model provides a but wheelchair that structure nimble was adjusted, includes frame (1), seat frame (2), back frame (3) and two handrail (4), its characterized in that: the frame (1) comprises a first support and a second support which are in mirror symmetry, wherein the first support and the second support respectively comprise an upper support rod (5) and a lower support rod (6) which are arranged up and down and are parallel to each other; the seat frame (2) comprises a first seat cushion supporting rod (7) and a second seat cushion supporting rod (7) which are parallel to each other; the first cushion support rod (7) is arranged above an upper support rod (5) of the first support and is fixedly connected with a lower support rod (6) of the second support through at least one first inclined rod (8), the second cushion support rod (7) is arranged above the upper support rod (5) of the second support and is fixedly connected with the lower support rod (6) of the first support through at least one second inclined rod, wherein the top end of the first inclined rod (8) is welded with the first cushion support rod (7), the bottom end of the first inclined rod is connected with the lower support rod (6) of the second support through a bolt, meanwhile, the top end of the second inclined rod is welded with the second cushion support rod (7), the bottom end of the second inclined rod is connected with the lower support rod (6) of the first support through a bolt, and a plurality of lower support rods (6) of the second support and the middle sections of the lower support rod (6) of the first support are arranged at equal intervals along the respective extension directions, A mounting hole of the seat frame (2) for mounting the bolt.

2. A structurally flexible adjustable wheelchair in accordance with claim 1, further comprising: and the upper support rod (5) of the first support and the upper support rod (5) of the second support are both fixedly provided with a bearing block (9) respectively used for bearing the first cushion support rod (7) and the second cushion support rod (7).

3. A structurally flexible adjustable wheelchair in accordance with claim 1, further comprising: the bottom ends of the first inclined rod (8) and the second inclined rod (8) are respectively provided with a first sleeve (10) and a second sleeve (10), the first sleeve (10) and the second sleeve (10) are respectively slidably and correspondingly sleeved on the lower support rod (6) of the second support and the lower support rod (6) of the first support, and the first sleeve (10) and the second sleeve (10) are provided with sleeve (10) fixing holes matched with the mounting holes of the seat frame (2) to realize fixation through bolts.

4. A structurally flexible adjustable wheelchair in accordance with claim 1, further comprising: the number of the first inclined rods (8) and the number of the second inclined rods (8) are two.

5. A structurally flexible adjustable wheelchair in accordance with claim 1, further comprising: the angle adjusting device also comprises two angle adjusting pieces which are respectively arranged on the first bracket and the second bracket; each angle adjusting part comprises two angle adjusting sheets (11) which are arranged on two sides of the corresponding upper support rod (5) in mirror symmetry, and each angle adjusting sheet (11) is provided with a backrest connecting hole for connecting the backrest frame (3), a handrail (4) connecting hole for connecting the rear ends of the handrails (4), a frame (1) connecting hole for connecting the frame (1) and a backrest angle adjusting groove for connecting the backrest frame (3).

6. A structurally flexible adjustable wheelchair in accordance with claim 5, further comprising: the number of the frame (1) connecting holes on each angle adjusting sheet (11) is at least two, and the rear ends of the two upper support rods (5) of the frame (1) are respectively provided with a plurality of angle adjusting piece fixing holes which are arranged along the respective extending direction and correspondingly matched with the frame (1) connecting holes.

7. A structurally flexible adjustable wheelchair in accordance with claim 5, further comprising: the backrest connecting hole and the backrest angle adjusting groove on each angle adjusting sheet (11) are vertically arranged, wherein the backrest angle adjusting groove is an arc-shaped groove formed by connecting a plurality of angle adjusting holes, and the circle center of the arc-shaped groove is positioned on the backrest connecting hole.