CN211382249U - Seat depth adjustable wheelchair - Google Patents
Seat depth adjustable wheelchair Download PDFInfo
- Publication number
- CN211382249U CN211382249U CN201921465724.8U CN201921465724U CN211382249U CN 211382249 U CN211382249 U CN 211382249U CN 201921465724 U CN201921465724 U CN 201921465724U CN 211382249 U CN211382249 U CN 211382249U
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- China
- Prior art keywords
- seat cushion
- wheelchair
- position adjusting
- armrest
- rear wheel
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Abstract
The utility model discloses a seat depth adjustable wheelchair, including the seatpad subassembly both sides install handrail assembly, the seatpad subassembly rear side is installed the back subassembly, seatpad subassembly front end corresponds respectively installs two front wheels, and its rear end is provided with two rear wheel mounting panels respectively, the rear wheel is installed on the rear wheel mounting panel, the upper end and the position control portion fixed mounting of rear wheel mounting panel, position control portion side has seted up a plurality of first mounting holes, the front end of position control portion installs the first regulation horizontal pole in position, the first regulation horizontal pole with the position control portion grafting one end be equipped with the corresponding complex second mounting hole of first mounting hole, the other end of first regulation horizontal pole and dead lever vertical installation; the utility model discloses owing to designed position control portion for the relative position of back, handrail can be adjusted according to the difference of stature to the user, and the user in the face of is wider, has improved the comfort level of wheelchair.
Description
Technical Field
The utility model relates to a wheelchair part field, concretely relates to seat depth adjustable wheelchair.
Background
At present, a wheelchair is an important rehabilitation tool, and a common wheelchair mainly comprises a wheelchair frame, wheels, armrests, a brake device and a backrest. The handrail of most wheelchair, seatpad and back position can not carry out the fore-and-aft regulation, can only be for the moderate crowd of stature, but if meet the thin little disabled person of stature, this kind of wheelchair that can not adjust will cause the puzzlement, because the foot rest, the handrail, the relative distance of back and seatpad is too big, cause the back can not rely on the back or the difficult handrail of holding up to, equally, the too fat disabled person of stature, when sitting this kind of wheelchair, the health flexibility receives serious restriction, make sick and wounded's waist and back pain uncomfortable, use the travelling comfort poor.
SUMMERY OF THE UTILITY MODEL
Utility model purpose: in order to overcome the deficiencies of the prior art, the utility model provides a degree of depth is adjustable, can solve the above-mentioned problem that prior art exists.
The technical scheme is as follows: the utility model relates to a wheelchair with adjustable seat depth, which comprises two front wheels, a handrail component, a seat cushion component, a backrest component, two rear wheels and a position adjusting part, wherein the handrail component is arranged at two sides of the seat cushion component, the backrest component is arranged at the rear side of the seat cushion component, the front end of the seat cushion component is respectively correspondingly provided with the two front wheels, the rear end of the seat cushion component is respectively provided with two rear wheel mounting plates, the rear wheels are arranged on the rear wheel mounting plates, the upper end of each rear wheel mounting plate is fixedly arranged with the position adjusting part, the side surface of the position adjusting part is provided with a plurality of first mounting holes, the front end of the position adjusting part is provided with a first position adjusting cross rod, the inserting end of the first adjusting cross rod and the position adjusting part is provided with a second mounting hole correspondingly matched with the first mounting hole, and the other end of the first adjusting cross rod is vertically arranged, the front wheels are installed at the lower ends of the fixing rods, the first adjusting cross rods can move back and forth in the position adjusting parts to drive the armrest assembly, the seat cushion assembly and the backrest assembly to correspondingly move, and therefore the seat depth of the wheelchair is adjusted.
Further, comprising:
the seat cushion assembly comprises core rods on two sides, a first seat cushion and a second seat cushion, wherein a first clamping groove is formed in each core rod along the length direction of the corresponding core rod, the first seat cushion and the second seat cushion are placed between the core rods on the two sides in a partially overlapped front-back mode, and the total length of the first seat cushion and the second seat cushion is larger than the distance from one end, far away from the backrest assembly, of each core rod to the backrest assembly.
Further, comprising:
the first cushion comprises first flanges on two sides, the second cushion comprises second flanges on two sides, and the first flanges and the second flanges are clamped in the first clamping grooves of the core rods.
Further, comprising:
the seat cushion assembly further comprises a connecting pipe and a limiting pipe, two ends of the connecting pipe are respectively inserted between the core rod and the limiting pipe, the limiting pipe is clamped on the position adjusting portion, when the position adjusting portion moves back and forth, the corresponding connecting pipe moves back and forth, and the distance between the seat cushion assembly and the backrest assembly is correspondingly adjusted.
Further, comprising:
the armrest component comprises an armrest body, an armrest fixing frame and a positioning block, wherein the armrest body is fixedly arranged on one side through the armrest fixing frame, the armrest fixing frame is in a frame shape, one end of the armrest fixing frame, which is close to the rear wheel, is arranged in the positioning block, a bulge at the front end of the positioning block is arranged in a through hole at the rear end of the position adjusting part, and when the position adjusting part moves back and forth, the armrest fixing frame correspondingly moves.
Further, comprising:
the position control portion includes the fixed plate, the fixed plate is three horn shapes, the fixed plate includes that first place the district, the district is placed to the second and the district is placed to the third, first through-hole that the district was seted up for the horizontal limit both ends along three horn shapes fixed plate downside is placed to the first, the deep trouth of establishing is from the top down to the vertical limit on district for following three horn shapes fixed plate right sides is placed to the second, the third is placed the echelonment standing groove of district for seting up on the sloping edge along three horn shapes fixed plate.
Further, comprising:
and a second adjusting cross rod parallel to the first adjusting cross rod is arranged at the lower end of the fixed rod close to the front wheel, and a plurality of third mounting holes are formed in the second adjusting cross rod.
Further, comprising:
first U type groove and second U type groove have been seted up respectively at both ends about the rear wheel mounting panel, first U type groove card is established on the position control portion, second U type groove card is established on the second adjusts the horizontal pole.
Further, comprising:
and second through holes which can be matched with the first mounting holes are formed in two sides of the first U-shaped groove, and third through holes which can be matched with the third mounting holes are formed in two sides of the second U-shaped groove.
Further, comprising:
a plurality of adjusting holes are sequentially formed in the rear wheel mounting plate and used for adjusting the height of the rear wheel.
Has the advantages that: compared with the prior art, the utility model, it is showing the advantage and is: 1. the utility model designs the position adjusting part, so that the user can adjust the relative positions of the backrest and the armrests according to the different statures, the facing user is wider, and the comfort level of the wheelchair is improved; 2. the utility model adopts the mode of overlapping two seat cushions, when the positions of the backrest and the armrests move towards each other, the relative positions of the seat cushions and the backrest components also change, so that the phenomenon that the buttocks of a user fall empty due to overlarge gaps is avoided, and the safety and the comfort level of the user are improved; 3. the wheelchair with the adjustable seat depth has the advantages of simple structure and convenience in disassembly and assembly.
Drawings
FIG. 1 is a schematic view of a wheelchair according to the present invention;
FIG. 2 is a rear elevational view of the wheelchair of the present invention;
FIG. 3 is a schematic view of the wheelchair of the present invention with the rear wheels removed;
fig. 4 is a schematic view of a partially exploded structure of the seat cushion assembly of the present invention;
FIG. 5 is a schematic view of a portion of the structure of the wheelchair frame of the present invention;
fig. 6 is a schematic structural view of the position adjustment portion of the present invention.
Detailed Description
As shown in figure 1, the wheelchair with adjustable seat depth of the utility model comprises a wheelchair frame 1, two front wheels 2, a handrail component 3, a seat cushion component 4, a backrest component 5, two rear wheels 6 and two foot rests 7, wherein the handrail component 3 is arranged on two sides of the seat cushion component 4, the backrest component 5 is arranged on the rear side of the seat cushion component 4, the two front wheels 2 are respectively correspondingly arranged on the front end of the seat cushion component 4, the two rear wheel mounting plates 11 are respectively arranged on the rear end of the seat cushion component 4, the wheelchair frame 1 comprises the rear wheel mounting plates 11, a position adjusting part 12, a first adjusting cross rod 13, a fixing rod 14, a second adjusting cross rod 15 and two rotating rods 16, the two rotating rods are arranged in a crossed manner, the cross points are fulcrums, the two rotating rods 16 rotate by taking the fulcrums as rotating shafts, the lower ends of the two rotating rods are respectively hinged with the rear ends of the two second adjusting cross rods, the upper ends of the, the wheelchair is unfolded or folded through the rotation of the two rotating rods 16.
The rear wheel is installed on the rear wheel mounting plate 11, the upper end of the rear wheel mounting plate is fixedly installed with the position adjusting part 12, a plurality of first mounting holes 121 are formed in the side face of the position adjusting part 12, a first adjusting cross rod 13 is installed at the front end of the position adjusting part 12, one end, inserted into the first adjusting cross rod 13, of the position adjusting part 12 is provided with a second mounting hole 131 corresponding to and matched with the first mounting hole 121, the other end of the first adjusting cross rod 13 is vertically installed with the fixing rod 14, the front wheel 2 is installed at the lower end of the fixing rod 14, the first adjusting cross rod 13 can move back and forth in the position adjusting part 12 to drive the corresponding movement of the armrest assembly, the seat cushion assembly and the backrest assembly, the seat depth of the wheelchair is adjusted, and the foot rest 7 is fixedly installed with the fixing rod 14.
Referring to fig. 2 and 3, the seat cushion assembly 4 includes the plug 41, the first seatpad 42 and the second seatpad 43 of both sides, first draw-in groove 411 is seted up along its length direction to the plug 41, place between the plug 41 of both sides around the first seatpad 42 and the second seatpad 43 part overlap, just the total length of first seatpad 42 and second seatpad 43 is greater than the one end that the back subassembly was kept away from to plug 41 arrives the distance of back subassembly, the length of first seatpad and second seatpad in the utility model is the distance on both sides of the seatpad along wheelchair depth direction.
As shown in fig. 4, the seat cushion assembly 4 further includes a connecting pipe 44 and a limiting pipe 45, two ends of the connecting pipe 44 are respectively inserted between the core rod and the limiting pipe 45, the limiting pipe 45 is clamped on the position adjusting portion 12, when the position adjusting portion 12 moves back and forth, the corresponding connecting pipe 44 moves back and forth, the distance between the seat cushion assembly 4 and the backrest assembly 5 is correspondingly adjusted, and the same horizontal corresponding positions of the connecting pipe 44, the limiting pipe 45 and the core rod corresponding to the first clamping groove are also respectively provided with a clamping groove for clamping the flange.
Further, comprising: the armrest component 3 comprises an armrest body 31, an armrest fixing frame 32 and a positioning block 33, the armrest body 31 is fixedly mounted on one side through the armrest fixing frame 32, the armrest fixing frame 32 is frame-shaped, one end of the armrest fixing frame, which is close to the rear wheel 6, is mounted in the positioning block 33, a protrusion at the front end of the positioning block 33 is mounted in a through hole at the rear end of the position adjusting part 12, and when the position adjusting part 12 moves back and forth, the armrest fixing frame 32 moves correspondingly.
As shown in fig. 6, further, includes: position control portion 12 includes the fixed plate body, the fixed plate is the triangle-shaped, the fixed plate includes that first district 122, the second of placing are placed district 123 and the third and are placed district 124, first district 122 of placing is the first through-hole of seting up along the horizontal limit both ends of triangle-shaped fixed plate downside, the deep trouth of establishing is from the top down to the vertical limit on following triangle-shaped fixed plate right side in the second place district 123, the third is placed the echelonment standing groove of seting up on district 124 for following triangle-shaped fixed plate bevel edge. In this embodiment, one end of the first placing area is used for inserting the first adjusting cross rod, the other end of the first through hole is used for inserting the front end protrusion of the positioning block in the armrest component, and the second placing area is inserted with the backrest rod 51 of the backrest component 5 and can be fixed through the mounting hole formed in the wall of the second placing area; the backrest assembly includes a backrest cushion 52 provided between two backrest rods in addition to the backrest rods 51 at both sides, and a third placing region for placing the core rod, the connecting pipe and the stopper and changing the placing contents according to the movement of the position adjusting part.
Specifically, the first mounting hole in the position adjusting portion can be matched with the second mounting hole in the first adjusting cross rod to be corresponding to the first mounting hole in the position adjusting portion, and the first mounting hole and the second mounting hole are fixed through screws. The utility model discloses do not restrict concrete mounting.
If the user's stature is too fat, then with the pulling of first regulation horizontal pole to the rear of wheelchair, because the locating piece of handrail subassembly is at position control portion rear end, consequently the handrail body also moves backward, the distance between the plug and the locating piece in the seatpad subassembly that corresponds increases, the degree of depth that the connecting pipe pegged graft in the plug diminishes promptly, the gap between first seatpad and the back grow this moment, in order to guarantee user's safety, also need move first seatpad backward this moment. For the small-sized people, the relevant parts carry out reverse operations to ensure that the user sits in the wheelchair comfortably and safely.
As shown in fig. 5, further, includes: the second adjusting cross rod 15 parallel to the first adjusting cross rod 15 is installed at the lower end of the fixing rod 14 close to the front wheel, and a plurality of third installation holes 151 are formed in the second adjusting cross rod 15, further comprising: first U type groove 111 and second U type groove 112 have been seted up respectively at both ends about the rear wheel mounting panel 11, first U type groove 111 card is established on the position control portion 12, second U type groove 112 card is established on the second adjusts horizontal pole 15. The rear wheel mounting plate is provided with a plurality of adjusting holes 113 in sequence for adjusting the height of the rear wheel 6.
Further, comprising: two sides of the first U-shaped groove 111 are provided with second through holes 1111 capable of being installed in a matching manner with the first installation holes, and two sides of the second U-shaped groove 112 are provided with third through holes 1121 capable of being installed in a matching manner with the third installation holes 151. When the positions of the first U-shaped groove 111 and the second U-shaped groove 112 are changed, the through holes in the U-shaped grooves are matched with the corresponding mounting holes in the adjusting cross rods, and the U-shaped grooves are fixed by adopting fixing pieces such as screws. The design of a plurality of mounting holes not only ensures that the wheelchair is easy to disassemble and assemble, but also ensures that the position of the wheel of the wheelchair can be adjusted according to different users.
Claims (10)
1. The wheelchair with the adjustable seat depth is characterized by comprising two front wheels (2), armrest components (3), a seat cushion component (4), a backrest component (5), two rear wheels (6) and a position adjusting part (12), wherein the armrest components (3) are installed on two sides of the seat cushion component (4), the backrest component (5) is installed on the rear side of the seat cushion component (4), the two front wheels (2) are correspondingly installed at the front end of the seat cushion component (4), the two rear wheel installing plates (11) are respectively arranged at the rear ends of the seat cushion component, the rear wheels are installed on the rear wheel installing plates (11), the upper ends of the rear wheel installing plates are fixedly installed with the position adjusting part (12), a plurality of first installing holes (121) are formed in the side surface of the position adjusting part (12), and a first position adjusting cross rod (13) is installed at the front end of the position adjusting part (12), one end of the first adjusting cross rod (13) inserted into the position adjusting portion (12) is provided with a second mounting hole (131) correspondingly matched with the first mounting hole (121), the other end of the first adjusting cross rod (13) is perpendicularly mounted with the fixing rod (14), the lower end of the fixing rod (14) is provided with the front wheel (2), and the first adjusting cross rod (13) can move back and forth in the position adjusting portion (12) to drive the corresponding movement of the armrest assembly, the seat cushion assembly and the backrest assembly (5) so as to adjust the seat depth of the wheelchair.
2. The wheelchair as claimed in claim 1, wherein the seat cushion assembly (4) comprises a core rod (41), a first seat cushion (42) and a second seat cushion (43) on two sides, the core rod (41) is provided with a first clamping groove (411) along the length direction thereof, the first seat cushion (42) and the second seat cushion (43) are partially overlapped and placed between the core rods on the two sides in a front-back manner, and the total length of the first seat cushion (42) and the second seat cushion (43) is greater than the distance from one end of the core rod far away from the backrest assembly (5) to the backrest assembly.
3. The wheelchair of claim 2, wherein the first seat cushion (42) comprises first flanges (421) on two sides, the second seat cushion (43) comprises second flanges (431) on two sides, and the first flanges and the second flanges are clamped in the first clamping grooves (411) of the core rod.
4. The wheelchair as claimed in claim 3, wherein the seat cushion assembly (4) further comprises a connecting pipe (44) and a limiting pipe (45), both ends of the connecting pipe (44) are respectively inserted between the core rod and the limiting pipe, the limiting pipe (45) is clamped on the position adjusting part (12), when the position adjusting part (12) moves back and forth, the corresponding movable connecting pipe (44) moves back and forth, and the distance between the seat cushion assembly (4) and the backrest assembly (5) is correspondingly adjusted.
5. The wheelchair as claimed in claim 4, wherein the armrest assembly (3) comprises an armrest body (31), an armrest fixing frame (32) and a positioning block (33), the armrest body (31) is fixedly mounted on one side through the armrest fixing frame (32), the armrest fixing frame (32) is frame-shaped, one end of the armrest fixing frame close to the rear wheel (6) is mounted in the positioning block (33), a protrusion at the front end of the positioning block (33) is mounted in a through hole at the rear end of the position adjusting part (12), and when the position adjusting part (12) moves back and forth, the armrest fixing frame (32) moves correspondingly.
6. The wheelchair as claimed in claim 1, wherein the position adjusting part (12) comprises a fixing plate, the fixing plate is triangular, the fixing plate comprises a first placing area (122), a second placing area (123) and a third placing area (124), the first placing area (122) is a first through hole formed along two ends of a horizontal edge of the lower side of the triangular fixing plate, the second placing area (123) is a deep groove formed along a vertical edge of the right side of the triangular fixing plate from top to bottom, and the third placing area (124) is a stepped placing groove formed along a slant edge of the triangular fixing plate.
7. The wheelchair as claimed in claim 1, wherein the fixing rod (14) is provided with a second adjusting cross bar (15) near the lower end of the front wheel, the second adjusting cross bar being parallel to the first adjusting cross bar, and the second adjusting cross bar (15) is provided with a plurality of third mounting holes (151).
8. The wheelchair of claim 7, wherein the upper end and the lower end of the rear wheel mounting plate (11) are respectively provided with a first U-shaped groove (111) and a second U-shaped groove (112), the first U-shaped groove (111) is clamped on the position adjusting part (12), and the second U-shaped groove (112) is clamped on the second adjusting cross rod (15).
9. The wheelchair of claim 8, wherein the first U-shaped groove (111) is provided with second through holes (1111) at two sides for matching with the first mounting holes, and the second U-shaped groove (112) is provided with third through holes (1121) at two sides for matching with the third mounting holes (151).
10. The wheelchair of claim 8, wherein the rear wheel mounting plate is provided with a plurality of adjusting holes (113) in sequence for adjusting the height of the rear wheel (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921465724.8U CN211382249U (en) | 2019-09-04 | 2019-09-04 | Seat depth adjustable wheelchair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921465724.8U CN211382249U (en) | 2019-09-04 | 2019-09-04 | Seat depth adjustable wheelchair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211382249U true CN211382249U (en) | 2020-09-01 |
Family
ID=72206385
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921465724.8U Active CN211382249U (en) | 2019-09-04 | 2019-09-04 | Seat depth adjustable wheelchair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211382249U (en) |
-
2019
- 2019-09-04 CN CN201921465724.8U patent/CN211382249U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |