CN2675102Y - Wheel chair with direction controlled by one hand - Google Patents
Wheel chair with direction controlled by one hand Download PDFInfo
- Publication number
- CN2675102Y CN2675102Y CN 200320126220 CN200320126220U CN2675102Y CN 2675102 Y CN2675102 Y CN 2675102Y CN 200320126220 CN200320126220 CN 200320126220 CN 200320126220 U CN200320126220 U CN 200320126220U CN 2675102 Y CN2675102 Y CN 2675102Y
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- Prior art keywords
- rotary shaft
- wheel
- clutch
- left rotary
- support
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Abstract
The utility model provides a wheel chair with directions controlled by one hand, relating to a wheel chair. The left side and the right side of the lower side of a chair rack are respectively provided with a left rotary shaft and a right rotary shaft. A left walking wheel is arranged on the left rotary shaft, and a right walking wheel is arranged on the right rotary shaft. A pedal is provided below the chair rack. Direction clutch devices are arranged on the left rotary shaft and the right rotary shaft. A clutch device pedal is arranged on the pedal, a dragline is arranged on the clutch device pedal, and the dragline is connected with the direction clutch devices. Due to the fact that the direction clutch devices are arranged on the left rotary shaft and the right rotary shaft, the wheel chair with directions controlled by one hand can directly walk or turn when the left walking wheel or the right walking wheel is pulled by one hand, and the direction of the wheel chair with directions controlled by one hand can be controlled by one hand. The utility model is not only suitable for a patient who has paralysis lower limbs, but also especially suitable for a patient who has a paralysis left semi-side body or a paralysis right semi-side body.
Description
Technical field the present invention relates to wheelchair, say in detail be a kind of singlehanded controlling party to wheelchair.
We know background technology, and existing wheelchair is that the left and right sides is respectively equipped with left rotary shaft and right spindle below the chair frame, and left rotary shaft is provided with the left lateral travelling wheel, and right spindle is provided with the right lateral travelling wheel.This wheelchair, because the left and right sides, chair frame below is respectively equipped with left rotary shaft and right spindle, be respectively equipped with left lateral travelling wheel and right lateral travelling wheel in the left and right rotating shaft, need both hands to pull the left lateral travelling wheel simultaneously during walking and the right lateral travelling wheel could be kept straight on, one hand pulls the left lateral travelling wheel or the right lateral travelling wheel can only be turn-taked in the original place, and a left side patient half of or right half of health paralysis be difficult to use.
The technical problem that summary of the invention the present invention solves is, the solution wheelchair needs both hands to pull the left lateral travelling wheel simultaneously when walking and the right lateral travelling wheel could be kept straight on, one hand pulls the left lateral travelling wheel or the right lateral travelling wheel can only be turn-taked in the original place, the unworkable problem of patient of the half of or right half of health paralysis in a left side, provide a kind of one hand pull singlehanded controlling party that left lateral travelling wheel or right lateral travelling wheel can keep straight on or turn to wheelchair.
Technical scheme of the present invention is, the left and right sides, chair frame below is respectively equipped with left rotary shaft and right spindle, left rotary shaft is provided with the left lateral travelling wheel, right spindle is provided with the right lateral travelling wheel, and chair frame front lower place is provided with pedal, and its primary structure characteristics are, left rotary shaft and right spindle are provided with the direction arrangement of clutch, pedal is provided with the arrangement of clutch pedal, and the arrangement of clutch pedal is provided with drag-line, and drag-line is connected with the direction arrangement of clutch.
The invention has the beneficial effects as follows, because left rotary shaft and right spindle are provided with the direction arrangement of clutch, one hand pulls the left lateral travelling wheel or the right lateral travelling wheel can keep straight on or turn to, direction that can singlehanded control wheelchair, the patient who not only is fit to lower extremity paralysis uses, and is particularly suitable for left side patient half of or right half of health paralysis and uses.
Appended drawings is a sketch map of the present invention, and Fig. 1 is a front view, and Fig. 2 is the rearview of Fig. 1.Fig. 3 is the sketch map of a kind of direction arrangement of clutch of Fig. 1, Fig. 2.Fig. 4 is the sketch map of a kind of direction arrangement of clutch of Fig. 1, Fig. 2.Fig. 5, Fig. 6, Fig. 7 are the sketch maps of a kind of direction arrangement of clutch of Fig. 1, Fig. 2, and Fig. 5 is a front view, and Fig. 6 is the A-A cutaway view of Fig. 5, and Fig. 7 is that the B of Fig. 5 is to view.
Embodiment embodiment 1: as Fig. 1, Fig. 2, singlehanded controlling party shown in Figure 3 to wheelchair, the left and right sides, chair frame 2 below is respectively equipped with left rotary shaft 11 and right spindle 8, left rotary shaft 11 is provided with left lateral travelling wheel 12, right spindle 8 is provided with right lateral travelling wheel 7, left rotary shaft 11 and right spindle 8 are provided with direction arrangement of clutch 3, and chair frame 2 front lower places are provided with pedal 5, and pedal 5 is provided with arrangement of clutch pedal 6, arrangement of clutch pedal 6 is provided with drag-line 4, and drag-line 4 is connected with direction arrangement of clutch 3.As can be seen from Figure 3, direction arrangement of clutch 3 is to be provided with jaw clutch 17 in rotating shaft, jaw clutch 17 is to be provided with the gear that endwisely slips can endwisely slip on left rotary shaft 11 or right spindle 8, its outside is provided with stage clip 14, corresponding another rotating shaft with it is provided with fixed gear, and stage clip 14 makes two gears be in normal engagement.Slide in the rotating shaft and be provided with support 15, support 15 1 ends are fixed on the chair frame 2, jaw clutch 17 can be rotated on support 15, support 15 is provided with declutcher control lever 16, declutcher control lever 16 1 ends are connected with the gear that endwisely slips, the other end is connected with drag-line 4, and drag-line 4 is connected with arrangement of clutch pedal 6.Be to strengthen the rigidity of left rotary shaft 11 and right spindle 8, left rotary shaft 11 with right spindle 8 sliding plugs be in the same place, can adopt bearing 13 to be plugged on together.Direction arrangement of clutch 3 left and right sides are respectively equipped with Left-wing Federation's axial organ 10 and right shaft coupling 9, Left-wing Federation's axial organ 10 and right shaft coupling 9 can be various shaft couplings of the prior art, Left-wing Federation's axial organ 10 and right shaft coupling 9 can easy disassembly direction arrangement of clutch 3, make wheelchair be convenient to fold, carrying, packing take up room little.During use, jaw clutch 17 is in normal engagement under the effect of stage clip 14, as long as one hand is pulled left lateral travelling wheel 12 or right lateral travelling wheel 7 can be kept straight on; When changing travel direction, step arrangement of clutch pedal 6, drag-line 4 drives declutcher control lever 16, drive the gear compression press spring 14 that endwisely slips that the outside is provided with stage clip 14, jaw clutch 17 breaks away from engagement, as long as one hand is pulled left lateral travelling wheel 12 or right lateral travelling wheel 7 can turn to the change travel direction, when drag-line 4 makes jaw clutch 17 be in normally open, promoting wheelchair handle 1 also can travel arbitrarily, the patient who not only is fit to lower extremity paralysis uses, and is particularly suitable for left side patient half of or right half of health paralysis and uses.Above-mentioned jaw clutch 17 also can be the circular cone type friction clutch 17 among Fig. 4, as can be seen from Figure 4, circular cone type friction clutch 17 is to be provided with movable circular cone or movable conical sleeve can endwisely slip on left rotary shaft 11 or right spindle 8, its outside is provided with stage clip 14, corresponding another rotating shaft with it is provided with fixedly conical sleeve or fixedly circular cone, stage clip 14 makes circular cone and conical sleeve be in normal engagement, slide in the rotating shaft and be provided with support 15, support 15 1 ends are fixed on the chair frame 2, circular cone type friction clutch 17 can be rotated on support 15, support 15 is provided with declutcher control lever 16, declutcher control lever 16 1 ends are connected with movable circular cone or movable conical sleeve that the outside is provided with stage clip 14, declutcher control lever 16 other ends are connected with drag-line 4, and drag-line 4 is connected with arrangement of clutch pedal 6.Direction arrangement of clutch 3 employed jaw clutches 17 among Fig. 3, Fig. 4 and circular cone type friction clutch 17 and non exhaustive, can also have on left rotary shaft 11 and the right spindle 8 to be respectively equipped with spline, the spline shell type clutch or the like that spline is provided with the spline housing of slip repeats no more.
Embodiment 2: as Fig. 1, Fig. 2, Fig. 5, Fig. 6, singlehanded controlling party shown in Figure 7 to wheelchair, the left and right sides, chair frame 2 below is respectively equipped with left rotary shaft 11 and right spindle 8, left rotary shaft 11 is provided with left lateral travelling wheel 12, right spindle 8 is provided with right lateral travelling wheel 7, left rotary shaft 11 and right spindle 8 are provided with direction arrangement of clutch 3, and chair frame 2 front lower places are provided with pedal 5, and pedal 5 is provided with arrangement of clutch pedal 6, arrangement of clutch pedal 6 is provided with drag-line 4, and drag-line 4 is connected with direction arrangement of clutch 3.From Fig. 5, Fig. 6, Fig. 7 as can be seen, direction arrangement of clutch 3 is to be respectively equipped with left rotary shaft direction fast pulley 18 and right spindle direction fast pulley 24 on left rotary shaft 11 and right spindle 8, slide in the rotating shaft and be provided with support 15, support 15 1 ends are fixed on the chair frame 2, can be installed on left rotary shaft 11 or the right spindle 8 through bearing 19, left rotary shaft 11 or right spindle 8 can be rotated.Support 15 is provided with rocker 22, and rocker 22 middle parts hinge is associated on the support 15, and rocker 22 can be shaken on support 15.Rocker 22 1 ends are provided with craspedodrome fifth wheel 23, and craspedodrome fifth wheel 23 can be meshed simultaneously with left rotary shaft direction fast pulley 18 and right spindle direction fast pulley 24; Rocker 22 other ends are provided with left rotary shaft and turn to movable wheel 20 and right spindle to turn to movable wheel 21, left rotary shaft turns to movable wheel 20 and right spindle to turn to movable wheel 21 to be a pair of constant mesh gear, and left rotary shaft turns to movable wheel 20 and right spindle to turn to movable wheel 21 to be meshed with left rotary shaft direction fast pulley 18 and right spindle direction fast pulley 24 respectively; Rocker 22 is provided with the torsion spring 14 that craspedodrome fifth wheel 23 1 ends are provided with inside side pressure, also can be provided with craspedodrome fifth wheel 23 1 ends at rocker 22 and be provided with stage clip or extension spring, torsion spring 14 can make craspedodrome fifth wheel 23 be in normal engagement with left rotary shaft direction fast pulley 18 and right spindle direction fast pulley 24 simultaneously; Rocker 22 is provided with craspedodrome fifth wheel 23 1 ends and is connected with drag-line 4, and drag-line 4 is connected with arrangement of clutch pedal 6.Support 15 is provided with declutcher control lever 16, declutcher control lever 16 is connected with rocker 22, as can be seen from Figure 5, hinged declutcher control lever 16 1 ends on the support 15, declutcher control lever 16 middle parts are connected with rocker 22, declutcher control lever 16 other ends are for separating handle, and declutcher control lever 16 can drive left rotary shaft and turn to movable wheel 20, right spindle to turn to movable wheel 21 and craspedodrome fifth wheel 23 to break away from engagement with left rotary shaft direction fast pulley 18 and right spindle direction fast pulley 24.Be to strengthen the rigidity of left rotary shaft 11 and right spindle 8, left rotary shaft 11 with right spindle 8 sliding plugs be in the same place, can adopt bearing 13 to be plugged on together.Direction arrangement of clutch 3 left and right sides are respectively equipped with Left-wing Federation's axial organ 10 and right shaft coupling 9, Left-wing Federation's axial organ 10 and right shaft coupling 9 can be various shaft couplings of the prior art, Left-wing Federation's axial organ 10 and right shaft coupling 9 can easy disassembly direction arrangement of clutch 3, make wheelchair be convenient to fold, carrying, packing take up room little.During use, craspedodrome fifth wheel 23 is in normal engagement with left rotary shaft direction fast pulley 18 and right spindle direction fast pulley 24 under the effect of torsion spring 14, as long as one hand is pulled left lateral travelling wheel 12 or right lateral travelling wheel 7 can be kept straight on.When changing travel direction, step arrangement of clutch pedal 6, drag-line 4 drives rocker 22, drive craspedodrome fifth wheel 23 and break away from engagement with left rotary shaft direction fast pulley 18 and right spindle direction fast pulley 24, simultaneously left rotary shaft turns to movable wheel 20 and right spindle to turn to movable wheel 21 to be meshed with left rotary shaft direction fast pulley 18 and right spindle direction fast pulley 24, if one hand is pulled left lateral travelling wheel 12 forward, left lateral travelling wheel 12 advances, drive left rotary shaft 11, drive left rotary shaft direction fast pulley 18, drive left rotary shaft and turn to movable wheel 20, drive right spindle and turn to movable wheel 21, drive right spindle direction fast pulley 24, drive right spindle 8, drive right lateral travelling wheel 7 and retreat; If one hand is pulled right lateral travelling wheel 7 forward, right lateral travelling wheel 7 advances, drive right spindle 8, drive right spindle direction fast pulley 24, drive right spindle and turn to movable wheel 21, drive left rotary shaft and turn to movable wheel 20, drive left rotary shaft direction fast pulley 18, drive left rotary shaft 11, drive left lateral travelling wheel 12 and retreat, make left lateral travelling wheel 12 and right lateral travelling wheel 7 backward rotation, can in less space, turn to the change travel direction.Pull declutcher control lever 16 drive left rotary shaft and turn to activity wheel 20, right spindle to turn to movable wheel 21 and craspedodrome fifth wheel 23 and left rotary shaft direction fast pulley 18 and the 24 disengaging engagements of right spindle direction fast pulley, promoting wheelchair handle 1 can travel arbitrarily.
Claims (6)
1, a kind of singlehanded controlling party to wheelchair, the left and right sides, chair frame below is respectively equipped with left rotary shaft and right spindle, left rotary shaft is provided with the left lateral travelling wheel, right spindle is provided with the right lateral travelling wheel, chair frame front lower place is provided with pedal, it is characterized in that: left rotary shaft and right spindle are provided with the direction arrangement of clutch, and pedal is provided with the arrangement of clutch pedal, the arrangement of clutch pedal is provided with drag-line, and drag-line is connected with the direction arrangement of clutch.
2, singlehanded controlling party according to claim 1 to wheelchair, it is characterized in that: said direction arrangement of clutch is to be provided with the gear that endwisely slips on left rotary shaft or right spindle, its outside is provided with stage clip, corresponding another rotating shaft with it is provided with fixed gear, and sliding in the rotating shaft is provided with support, and support one end is fixed on the chair frame, support is provided with declutcher control lever, declutcher control lever one end is connected with the gear that endwisely slips, and the other end is connected with drag-line, and drag-line is connected with the arrangement of clutch pedal.
3, singlehanded controlling party according to claim 1 to wheelchair, it is characterized in that: said direction arrangement of clutch is to be provided with movable circular cone or movable conical sleeve on left rotary shaft or right spindle, its outside is provided with stage clip, corresponding another rotating shaft with it is provided with fixedly conical sleeve or fixedly circular cone, slide in the rotating shaft and be provided with support, support one end is fixed on the chair frame, support is provided with declutcher control lever, declutcher control lever one end is connected with movable circular cone or movable conical sleeve that the outside is provided with stage clip, the declutcher control lever other end is connected with drag-line, and drag-line is connected with the arrangement of clutch pedal.
4, singlehanded controlling party according to claim 1 to wheelchair, it is characterized in that: said direction arrangement of clutch is to be respectively equipped with left rotary shaft direction fast pulley and right spindle direction fast pulley on left rotary shaft and right spindle, slide in the rotating shaft and be provided with support, support one end is fixed on the chair frame, support is provided with rocker, rocker middle part hinge is associated on the support, rocker one end is provided with the craspedodrome fifth wheel, the rocker other end is provided with left rotary shaft and turns to movable wheel and right spindle to turn to movable wheel, left rotary shaft turns to movable wheel and right spindle to turn to movable wheel to be a pair of constant mesh gear, rocker is provided with the torsion spring that craspedodrome fifth wheel one end is provided with inside side pressure, rocker is provided with craspedodrome fifth wheel one end and is connected with drag-line, drag-line is connected with the arrangement of clutch pedal, hinged declutcher control lever one end on the support, the declutcher control lever middle part is connected with rocker, and the declutcher control lever other end is for separating handle.
5, according to claim 1 or 2 or 3 or 4 described singlehanded controlling parties to wheelchair, it is characterized in that: said left rotary shaft with right spindle sliding plug be in the same place.
6, according to claim 1 or 2 or 3 or 4 described singlehanded controlling parties to wheelchair, it is characterized in that: the said direction arrangement of clutch left and right sides is respectively equipped with Left-wing Federation's axial organ and right shaft coupling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200320126220 CN2675102Y (en) | 2003-11-22 | 2003-11-22 | Wheel chair with direction controlled by one hand |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200320126220 CN2675102Y (en) | 2003-11-22 | 2003-11-22 | Wheel chair with direction controlled by one hand |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2675102Y true CN2675102Y (en) | 2005-02-02 |
Family
ID=34476862
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200320126220 Expired - Fee Related CN2675102Y (en) | 2003-11-22 | 2003-11-22 | Wheel chair with direction controlled by one hand |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2675102Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1298308C (en) * | 2003-11-22 | 2007-02-07 | 李春泥 | Direction controlled by single hand wheelchair |
-
2003
- 2003-11-22 CN CN 200320126220 patent/CN2675102Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1298308C (en) * | 2003-11-22 | 2007-02-07 | 李春泥 | Direction controlled by single hand wheelchair |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |