CN201410047Y - Vertically folded electric wheel chair - Google Patents
Vertically folded electric wheel chair Download PDFInfo
- Publication number
- CN201410047Y CN201410047Y CN2009201597438U CN200920159743U CN201410047Y CN 201410047 Y CN201410047 Y CN 201410047Y CN 2009201597438 U CN2009201597438 U CN 2009201597438U CN 200920159743 U CN200920159743 U CN 200920159743U CN 201410047 Y CN201410047 Y CN 201410047Y
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- support
- seat
- telescopic shaft
- hinged
- bar
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Abstract
The utility model discloses a vertically folded electric wheel chair for solving the problems of heavy weight and inconvenient portability of the prior art, comprising a frame, and a seat and a backrest on the frame, wherein the frame comprises a backrest frame and a seat frame which has two front leg frames and two back leg frames downwards arranged along four corners and across hinged at two sides of the seat, and folding locking support draw rods hinged below the hinged part and between the front and back leg frames; the front leg frames being connected with the backrest frame at the upperend thereof, and the front and back leg frames each being provided with a turning wheel and an electric driving wheel at the bottom thereof respectively. Through the structure above, the folding locking support draw rods are unfolded to fix the distance between the front and back leg frames and cause the wheel chair to be more stable during the running without relative movement of the front and back leg frames, and folded with the back leg frames movably folded around the hinged part to the backrest to greatly reduce the space of the wheel chair when not used and carried.
Description
Technical field
This utility model relates to a kind of electric wheelchair, especially longitudinal folding electric wheelchair.
Background technology
Existing electric wheelchair volume is bigger, it is bigger to take up room, motility is relatively poor, move, carry very inconvenient, especially be not easy in narrow and small passage to move, and, existing electric wheelchair is generally heavy, in use especially under the situation that can not promote,, cause burden to user unavoidably such as stair, step or other situations.
The utility model content
In order to overcome above-mentioned defective, the purpose of this utility model is to provide a kind of flexible, portable longitudinal folding electric wheelchair.
In order to achieve the above object, longitudinal folding electric wheelchair of the present utility model, comprise support, be arranged on seat and backrest on the support, described support comprises back bracket and seat support, described seat support comprises leg support behind two preceding leg supports being provided with respectively along four jiaos of seats place and two downwards, wherein, preceding leg support and back leg support are provided with in seat both sides cross-articulation respectively, are hinged with collapsible locking support pull bar between the forward and backward leg support of below, hinged place respectively; The leg support upper end is connected with back bracket before two, and leg support bottom in front and back is provided with deflecting roller and electric driving wheel respectively.
Particularly, described collapsible locking support pull bar is specially two sections first sleeve pipe and second sleeve pipes that connect by bearing pin, wherein be provided with telescopic shaft in the first telescopic joint end, the second telescopic joint end is provided with the internal orifice dimension axle sleeve suitable with described telescopic shaft, described telescopic shaft is connected in first sleeve pipe by spring, on the telescopic shaft to being outside equipped with dial axis, the corresponding circumferential slot that is provided with axial groove and is communicated with axial groove with the telescopic shaft position of first casing wall, dial axis Sliding Control telescopic shaft in axial groove and circumferential slot cooperates with axle sleeve or breaks away from.
Further, first sleeve pipe is connected with two pages of sheets of hinge respectively with second sleeve pipe, axle sleeve be arranged on the second telescopic joint page or leaf sheet on, be provided with the diameter hole suitable with corresponding telescopic shaft position on the first telescopic joint page or leaf sheet with described telescopic shaft.
Particularly, the leg support lower end is provided with deflecting roller respectively before described, two deflecting rollers connect steering tiller by linkage, described linkage is specifically by five hinged connecting rods that are horizontal serpentine of head and the tail, deflecting roller is separately positioned on to be inverted between the Y shape frame, be arranged on and be fixed on the horizontal bearing pin of being inverted between two bifurcateds of Y shape frame bottom, the linkage two ends are separately fixed at two Y shape frame tops, steering tiller is set with support bar downwards, fixedlys connected with described support bar bottom in the intermediary longitudinal rod of described linkage middle part.
Further, described linkage also comprises the connecting rod by three head and the tail hinged being " C " shape, fixedlys connected with described Y shape frame middle part respectively in two ends.
Particularly, described support bar constitutes by upper and lower two support bars are hinged, wherein the lower support bar top is provided with groove, described upper support bar bottom is arranged in the described groove and rotates around the hinged place in groove, correspondence is arranged at intervals with at least three group locating holes on the cell wall of lower support bar both sides, it is on the circle in the center of circle that described locating hole center is arranged on the hinged place, and described upper support bar bottom correspondence is provided with porose, and what described hole was corresponding with position in the described locating hole wherein is provided with alignment pin in one group.
Wherein, described back bracket is the door type bar, the backrest both sides are separately positioned on the two vertical bars of door type bar, be set with cross bar between the two vertical bars, the bottom is connected with back leg support bottom respectively, the bottom is provided with electric driving wheel, two vertical bars are set with cantilever forward respectively, described cantilever end portion is connected with the foreleg cantilever tip respectively, the seat both sides are arranged on the cantilever, between wherein said backrest and the support two vertical bars or fix by clip between seat and the back side and the cantilever, described clip is a Y shape sheet metal to be combined to form two sections of being wholely set vertical mutually and at infall foraminous half pipe is set by rolling the edge that clip two involutory limits are respectively arranged with rivet or dowel fixes.
Above-mentioned structure, during use, collapsible locking support pull bar between the lower limb before and after being arranged on is opened, distance before and after fixing between the lower limb, wheelchair is more stable in the process of walking, the front and back lower limb can not relatively move, when need not or carry, can collapsible locking support pull bar is folding, back leg support moves folding to backrest end around the hinged place, reduced the volume of wheelchair greatly, seat and backrest can use soft shell fabric, and the cradling piece that also can draw backrest top moves wheelchair, and be the same light with dilatory pull bar luggage case, when depositing, occupation space also reduces greatly.
Description of drawings
Fig. 1 is the structural representation of the first, the 3rd specific embodiment of the present utility model.
Fig. 2 is the plan structure sketch map of second specific embodiment of the present utility model.
Fig. 3 be among Fig. 2 A-A to the sectional structure sketch map.
Fig. 4 is another state plan structure sketch map of second specific embodiment of the present utility model.
The structural representation of Fig. 5 the 4th specific embodiment of the present utility model.
Fig. 6 is another status architecture sketch map of the 4th specific embodiment of the present utility model.
The main TV structure sketch map of Fig. 7 the 5th specific embodiment of the present utility model.
Fig. 8 is the left TV structure sketch map of Fig. 7.
Fig. 9 is the planar development sketch map of Fig. 7.
The specific embodiment
Below in conjunction with drawings and Examples this utility model is described in further detail.
Shown in Fig. 1-9, longitudinal folding electric wheelchair of the present utility model, comprise support 1, be arranged on seat 2 and backrest 3 on the support, described support comprises back bracket and seat support, described seat support comprises two preceding leg supports 11 that are provided with respectively along four jiaos of places of seat downwards, leg support 13 after 12 and two, 14, wherein, preceding leg support 11, back leg support 13 and preceding leg support 12, back leg support 14 is cross-articulation setting respectively in seat 2 both sides, two backs connects by transverse bar 15 between the leg support upper end, leg support is connected with cantilever 16 ends that are arranged on forward on the back bracket before two, the seat both sides are arranged on the described cantilever 16, be hinged with collapsible locking support pull bar 17 between the front and back leg support of below, hinged place respectively, leg support bottom in front and back is provided with deflecting roller 4 and electric driving wheel 5 respectively.
Above-mentioned structure, during use, collapsible locking support pull bar between the lower limb before and after being arranged on is opened, distance before and after fixing between the lower limb, wheelchair is more stable in the process of walking, the front and back lower limb can not relatively move, when need not or carry, can collapsible locking support pull bar is folding, back leg support moves folding to backrest end around the hinged place, reduced the volume of wheelchair greatly, seat and backrest can use soft shell fabric, and the cradling piece that also can draw backrest top moves wheelchair, and be the same light with dilatory pull bar luggage case, when depositing, occupation space also reduces greatly.
As second specific embodiment of the present utility model, shown in Fig. 2-4, described collapsible locking support pull bar 17 is specially two sections first sleeve pipe 71 and second sleeve pipes 72 that connect by bearing pin 70, wherein be provided with telescopic shaft 73 in the first telescopic joint end, the second telescopic joint end is provided with the internal orifice dimension axle sleeve 74 suitable with described telescopic shaft, described telescopic shaft is connected in first sleeve pipe by spring 75, on the telescopic shaft to being outside equipped with dial axis 76, the corresponding circumferential slot 78 that is provided with axial groove 77 and is communicated with axial groove with the telescopic shaft position of first casing wall, dial axis Sliding Control telescopic shaft in axial groove and circumferential slot cooperates with axle sleeve or breaks away from.
Telescopic shaft slides in the circumferential slot, and spring is compressed, and telescopic shaft is contracted in interior first pipe, and first sleeve pipe and second sleeve pipe rotate in the bearing pin junction, and front and back leg support spacing reduces, and wheelchair is folding; Dial axis slides in the axial groove, telescopic shaft slides to the axial groove end under the restoring force effect of spring, axle sleeve in telescopic shaft stretches out first sleeve pipe and is arranged on second sleeve pipe cooperates, at this moment, distance between first sleeve pipe and second sleeve pipe is fixed by telescopic shaft and axle sleeve, can not rotate around the hinged place, thus the distance between leg support before and after limiting.Stir dial axis and be the position of the folding support of may command pull bar, easy to use.
For further simplifying the articulated structure between first axle sleeve and second axle sleeve, first sleeve pipe is connected with two pages of sheets of hinge respectively with second sleeve pipe, axle sleeve 74 be arranged on the second telescopic joint page or leaf sheet on or directly on described page or leaf sheet interdependent position be provided with and the sizable hole of described telescopic shaft, be provided with the diameter hole suitable with corresponding telescopic shaft position on the first telescopic joint page or leaf sheet with described telescopic shaft.Described first sleeve pipe can be rectangular tube, also can be round tube, and simple in structure, manufacturing cost is lower.
As the 3rd specific embodiment of the present utility model, as Fig. 1, Fig. 5, shown in Figure 6, the leg support lower end is provided with deflecting roller 4 respectively before described, two deflecting rollers connect steering tiller 6 by linkage, described linkage is specifically by five hinged connecting rods 61 that are horizontal serpentine of head and the tail, 62,63,64,65, deflecting roller is separately positioned on to be inverted between the Y shape frame 7, be arranged on and be fixed on the horizontal bearing pin of being inverted between two bifurcateds of Y shape frame bottom, the linkage two ends are separately fixed at two Y shape frame tops, steering tiller is set with support bar downwards, fixedlys connected with described support bar bottom in the intermediary longitudinal rod of described linkage middle part.
Rotate steering tiller, drive the equidirectional rotation of middle longitudinal rod that is connected with it, as shown in Figure 1, first transverse link 61, second transverse link 62 that are connected with middle longitudinal rod 63 move to steering tiller rotating torque direction respectively, at this moment, drive the 4th longitudinal rod 64, the 5th longitudinal rod 65 at equidirectional generation beat, thereby drive inversion Y shape frame 7 tops fixedly connected with it respectively, and then control is arranged on the deflecting roller of being inverted in the Y shape frame and changes direction in equidirectional rotation.A steering tiller can be controlled two deflecting rollers simultaneously, compares with existing two steering tillers and has reduced parts, reduces consumptive material, saves cost, weight reduction.
For deflecting roller is kept consistency on turning to, described linkage also comprises the connecting rod 8 by three head and the tail hinged being " C " shape, fixedlys connected with described Y shape frame middle part respectively in two ends.Like this, the transverse link that is arranged on the middle part makes the constant distance between two deflecting rollers, thereby has controlled the synchronous rotation of two deflecting rollers better.
As the 4th specific embodiment of the present utility model, as Fig. 5, shown in Figure 6, described support bar is by upper support bar 9, lower support bar 10 hinged formations, wherein the lower support bar top is provided with groove 20, described upper support bar bottom is arranged in the described groove and 90 rotations around the hinged place in groove, correspondence is arranged at intervals with at least three group locating holes 91 on the cell wall of lower support bar both sides, 92,93,94,95 (being illustrated as five groups), it is on the circle in the center of circle that described locating hole center is arranged on the hinged place, described upper support bar bottom correspondence is provided with porose, be provided with alignment pin 30 in wherein a group (Figure 5 shows that 91, Figure 6 shows that 93) corresponding of described hole with position in the described locating hole.
Above-mentioned structure, upper support bar rotates in the lower support bar groove, and upper support bar and steering tiller do not influence human action during wheelchair up and down, when upper support bar turns to correct position, the corresponding described position of positioning hole in described hole penetrates the fixing relative position of going up between the lower support bar of alignment pin.Use convenient.Described locating hole specifically is provided with as required.
As the 5th specific embodiment of the present utility model, as Fig. 1, shown in Fig. 7-9, described back bracket is the door type bar, backrest 3 both sides are separately positioned on two vertical bars 31 of door type bar, on 32, be set with cross bar 33 between the two vertical bars, the bottom is connected with back leg support bottom respectively, the bottom is provided with electric driving wheel, two vertical bars are set with cantilever 16 forward respectively, described cantilever end portion is connected with the foreleg cantilever tip respectively, seat 2 both sides are arranged on the cantilever 16, fix by clip 34 between wherein said backrest and the support two vertical bars or between seat and the back side and the cantilever, described clip is a Y shape sheet metal 35, and (described herein half pipe is meant that cross section is the pipe of opening or the arbitrary shape that do not seal by rolling the half pipe, cross section shown in Figure 8 is a semicircular arc) 36, semicircle pipe 37 is combined into by the two halves assembly, edge 371,372 are combined to form half pipe 37, half pipe 36 is wholely set with half pipe 37 and is mutually vertical and be provided with porosely 38 at infall, and 34 liang of involutory limits of clip are respectively arranged with rivet or pin 39 is fixed.As shown in Figure 9, after described Y shape sheet metal rolls, form half pipe 36,37, be used for orthogonal two sides is fixed together, simple in structure, easy to use.
Wherein, the part that is positioned under the cantilever of described two vertical bars is respectively arranged with spring vibration damper.Strengthen the wheelchair anti-seismic performance, more comfortable.
This utility model is not limited to above-mentioned embodiment, no matter do any variation on its shape or structure, every to utilize above-mentioned longitudinal folding electric wheelchair all be a kind of distortion of the present utility model, all should think and drop within this utility model protection domain.
Claims (8)
1, a kind of longitudinal folding electric wheelchair, comprise support, be arranged on seat and backrest on the support, it is characterized in that, described support comprises back bracket and seat support, described seat support comprises leg support behind two preceding leg supports being provided with respectively along four jiaos of seats place and two downwards, wherein, preceding leg support and back leg support are provided with in seat both sides cross-articulation respectively, are hinged with collapsible locking support pull bar between the forward and backward leg support of below, hinged place respectively; The leg support upper end is connected with back bracket before two, and leg support bottom in front and back is provided with deflecting roller and electric driving wheel respectively.
2, longitudinal folding electric wheelchair as claimed in claim 1, it is characterized in that, described collapsible locking support pull bar is specially two sections first sleeve pipe and second sleeve pipes that connect by bearing pin, wherein be provided with telescopic shaft in the first telescopic joint end, the second telescopic joint end is provided with the internal orifice dimension axle sleeve suitable with described telescopic shaft, described telescopic shaft is connected in first sleeve pipe by spring, on the telescopic shaft to being outside equipped with dial axis, the corresponding circumferential slot that is provided with axial groove and is communicated with axial groove with the telescopic shaft position of first casing wall, dial axis Sliding Control telescopic shaft in axial groove and circumferential slot cooperates with axle sleeve or breaks away from.
3, longitudinal folding electric wheelchair as claimed in claim 2, it is characterized in that, first sleeve pipe is connected with two pages of sheets of hinge respectively with second sleeve pipe, axle sleeve be arranged on the second telescopic joint page or leaf sheet on, be provided with the diameter hole suitable with corresponding telescopic shaft position on the first telescopic joint page or leaf sheet with described telescopic shaft.
4, as claim 1,2 or 3 described longitudinal folding electric wheelchairs, it is characterized in that, the leg support lower end is provided with deflecting roller respectively before described, two deflecting rollers connect steering tiller by linkage, described linkage is specifically by five hinged connecting rods that are horizontal serpentine of head and the tail, deflecting roller is separately positioned on to be inverted between the Y shape frame, be arranged on and be fixed on the horizontal bearing pin of being inverted between two bifurcateds of Y shape frame bottom, the linkage two ends are separately fixed at two Y shape frame tops, steering tiller is set with support bar downwards, fixedlys connected with described support bar bottom in the intermediary longitudinal rod of described linkage middle part.
5, longitudinal folding electric wheelchair as claimed in claim 4 is characterized in that, described linkage also comprises the connecting rod by three head and the tail hinged being " C " shape, fixedlys connected with described Y shape frame middle part respectively in two ends.
6, longitudinal folding electric wheelchair as claimed in claim 5, it is characterized in that, described support bar constitutes by upper and lower two support bars are hinged, wherein the lower support bar top is provided with groove, described upper support bar bottom is arranged in the described groove and rotates around the hinged place in groove, correspondence is arranged at intervals with at least three group locating holes on the cell wall of lower support bar both sides, it is on the circle in the center of circle that described locating hole center is arranged on the hinged place, described upper support bar bottom correspondence is provided with porose, and what described hole was corresponding with position in the described locating hole wherein is provided with alignment pin in one group.
7, as longitudinal folding electric wheelchair as described in the claim 6, it is characterized in that, described back bracket is the door type bar, the backrest both sides are separately positioned on the two vertical bars of door type bar, be set with cross bar between the two vertical bars, the bottom is connected with back leg support bottom respectively, the bottom is provided with electric driving wheel, two vertical bars are set with cantilever forward respectively, described cantilever end portion is connected with the foreleg cantilever tip respectively, the seat both sides are arranged on the cantilever, between wherein said backrest and the support two vertical bars or fix by clip between seat and the back side and the cantilever, described clip is a Y shape sheet metal to be combined to form two sections of being wholely set vertical mutually and at infall foraminous half pipe is set by rolling the edge that clip two involutory limits are respectively arranged with rivet or dowel fixes.
8, longitudinal folding electric wheelchair as claimed in claim 7 is characterized in that, the part that described two vertical bars are positioned under the cantilever is respectively arranged with spring vibration damper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201597438U CN201410047Y (en) | 2009-06-12 | 2009-06-12 | Vertically folded electric wheel chair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201597438U CN201410047Y (en) | 2009-06-12 | 2009-06-12 | Vertically folded electric wheel chair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201410047Y true CN201410047Y (en) | 2010-02-24 |
Family
ID=41711939
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201597438U Expired - Fee Related CN201410047Y (en) | 2009-06-12 | 2009-06-12 | Vertically folded electric wheel chair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201410047Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114366465A (en) * | 2022-01-24 | 2022-04-19 | 廊坊兴泰隆通信器材有限公司 | Manual wheelchair convenient to fold |
-
2009
- 2009-06-12 CN CN2009201597438U patent/CN201410047Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114366465A (en) * | 2022-01-24 | 2022-04-19 | 廊坊兴泰隆通信器材有限公司 | Manual wheelchair convenient to fold |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100224 Termination date: 20150612 |
|
| EXPY | Termination of patent right or utility model |