CN213964006U - Erecting device of folding wheelchair - Google Patents
Erecting device of folding wheelchair Download PDFInfo
- Publication number
- CN213964006U CN213964006U CN202022457243.1U CN202022457243U CN213964006U CN 213964006 U CN213964006 U CN 213964006U CN 202022457243 U CN202022457243 U CN 202022457243U CN 213964006 U CN213964006 U CN 213964006U
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- folding
- frame
- wheelchair
- rod
- vertical rod
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Abstract
The utility model discloses a standing device of a folding wheelchair, wherein the left and right sides of the bottom ends of a front wheel folding foot rest and a rear wheel folding foot rest are connected with trundles; the folding foot rest of the front wheel and the folding foot rest of the rear wheel are hinged with the seat frame, and the folding frame of the backrest is hinged with the rear part of the seat frame; the middle part of the lower section of the backrest folding frame is connected with a vertical rod, and after the folding wheelchair is folded, the vertical rod and two trundles at the bottom end of a rear wheel folding foot frame form at least three-point type landing support points to erect the folding wheelchair; after the wheelchair is folded, the vertical rod and the caster at the bottom end of the rear wheel folding foot rest of the patient with inconvenient end synchronously touch the ground, and the three-point type ground supporting point consisting of the vertical rod and the two casters at the bottom end of the rear wheel folding foot rest can vertically support the folding wheelchair for the next use, so that the folding wheelchair can be unfolded for use without being held down; therefore, the foldable wheelchair can be placed vertically when the wheelchair is placed.
Description
Technical Field
The utility model relates to a fixing device of a wheelchair, in particular to a standing device of a folding wheelchair.
Background
After the existing front-back hinged wheelchair is folded, only the rear wheels land due to the fact that the front wheels are pulled up and lifted, but the wheelchair which only can land two rear wheels cannot be vertically and fixedly placed after being folded, and the rear wheels can slide and can only be stably placed when being integrally laid on the ground; partially sick and disabled people can not hold the wheelchair down, and can feel lumbago or hip joint pain, so that the wheelchair is inconvenient to place and use after being folded.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a simple structure, reasonable in design can erect the device of erectting of the folding wheelchair of placing.
A standing device of a folding wheelchair comprises a front wheel folding foot rest, a rear wheel folding foot rest, a seat frame and a backrest folding frame; the left side and the right side of the bottom ends of the front wheel folding foot rest and the rear wheel folding foot rest are both connected with trundles; the folding foot rest of the front wheel and the folding foot rest of the rear wheel are hinged with the seat frame, and the folding frame of the backrest is hinged with the rear part of the seat frame; the middle part of the lower section of the backrest folding frame is connected with a vertical rod, and after the folding wheelchair is folded, the vertical rod and two trundles at the bottom end of a rear wheel folding foot frame form at least three-point type landing support points to erect the folding wheelchair.
The vertical rod is hinged and folded with the backrest folding frame, and the vertical rod is synchronously grounded with the bottom caster of the rear wheel folding foot frame after being erected.
The vertical rod comprises a U-shaped connecting piece and a vertical rod, the U-shaped connecting piece is fixedly connected with the middle of the lower section of the backrest folding frame, and the vertical rod is clamped and connected by the U-shaped connecting piece.
The U-shaped connecting piece is made of plastic materials; the vertical rod comprises an upper plastic connector, a rod body and a lower plastic anti-skid pad; the upper plastic connector transversely penetrates through the U-shaped connecting piece through a pin and is tightly connected with the upper plastic connector; the upper plastic connector is arranged in the U-shaped opening; the upper plastic connector is fixedly connected with the upper end of the rod body, and the lower end of the rod body is fixedly connected with the lower plastic non-slip mat.
The vertical rod comprises a fixed pipe and a telescopic rod, the fixed pipe is fixedly connected with the middle of the lower section of the rear wheel folding foot rest, an elastic lock pin is arranged on the telescopic rod, at least two pin holes are formed in the fixed pipe, the telescopic rod is inserted into the fixed pipe, the elastic lock pin is retracted and fixed when falling into a high gear, and the elastic lock pin is extended and fixed when falling into a low gear.
The two sides of the middle part of the backrest folding frame are hinged with the two sides behind the seat frame, and the two sides of the bottom of the backrest folding frame are hinged with the left side and the right side of the bottom of the rear wheel folding foot frame.
The seat frame comprises a bottom pipe frame and a cushion, and two ends of the rear part of the bottom pipe frame are hinged with two sides of the middle part of the backrest folding frame; the bottom pipe frame is detachably connected with the cushion.
The cushion is connected with the bottom pipe frame through a lock catch.
The folding foot rest of rear wheel includes left back foot bar, right back foot bar, rear beam, and the upper end of left back foot bar, right back foot bar is articulated with the seat frame, and rear beam fixed connection is in the hypomere between left back foot bar, the right back foot bar, and the truckle is installed to the bottom of left back foot bar, right back foot bar.
The backrest folding frame comprises a handle left rod, a handle right rod and a cross rod, the cross rod is fixed at the bottom section between the handle left rod and the handle right rod, and the middle part of the cross rod is connected with a vertical rod.
The utility model discloses a folding wheelchair erect device beneficial effect is: after the wheelchair is folded, the vertical rod and the caster at the bottom end of the rear wheel folding foot rest of the patient with inconvenient end synchronously touch the ground, and the three-point type ground supporting point consisting of the vertical rod and the two casters at the bottom end of the rear wheel folding foot rest can vertically support the folding wheelchair for the next use, so that the folding wheelchair can be unfolded for use without being held down; thus, the folding wheelchair can be placed vertically when the wheelchair is placed; the vertical rod automatically descends along with the folding action of the backrest folding frame in the folding process of the wheelchair, and the vertical rod automatically lifts along with the opening action of the backrest folding frame in the unfolding process of the wheelchair and leaves the ground.
Drawings
Fig. 1 and 2 are folded views of the vertical rod of the present invention;
fig. 3 and 4 are vertical state diagrams of the vertical rod of the utility model;
FIG. 5 is a perspective view of the wheelchair of the present invention;
FIG. 6 is a schematic view of the folding of the wheelchair according to the present invention;
fig. 7 is an exploded view of the wheelchair of the present invention.
The folding foot rest comprises a front wheel folding foot rest 1, a rear wheel folding foot rest 2, a left rear foot rod 21, a right rear foot rod 23, a rear cross beam 22, a seat frame 3, a backrest folding frame 4, a caster 5, a vertical rod 6, a U-shaped connecting piece 61, a vertical rod 62, an upper end plastic connector 601, a rod body 602, a lower end plastic non-slip mat 603, a bottom pipe frame 31, a cushion 32 and a limiting piece 6A.
Detailed Description
A standing device of a folding wheelchair comprises a front wheel folding foot rest 1, a rear wheel folding foot rest 2, a seat frame 3 and a backrest folding frame 4, wherein the structures of the front wheel folding foot rest 1, the rear wheel folding foot rest 2, the seat frame 3 and the backrest folding frame 4 are the prior art; the left side and the right side of the bottom ends of the front wheel folding foot rest 1 and the rear wheel folding foot rest 2 are both connected with four trundles 5, and the total number of the trundles 5 is four; the front wheel folding foot rest 1 and the rear wheel folding foot rest 2 are hinged with the back side of the seat frame 3, and the backrest folding frame 4 is hinged with the back of the seat frame 3; the technical improvement of the product lies in that: the middle part of the lower section of the backrest folding frame 4 is connected with a vertical rod 6, and after the folding wheelchair is folded, the folding wheelchair is erected by a three-point type landing supporting point which is composed of the vertical rod 6 and two trundles 5 at the bottom end of a rear wheel folding foot frame. The vertical rod automatically descends along with the folding action of the backrest folding frame in the folding process of the wheelchair, and the vertical rod automatically lifts along with the opening action of the backrest folding frame and leaves the ground in the unfolding process of the wheelchair; the vertical bars 6 are not necessarily folded or extended.
The use process comprises the following steps: after the wheelchair is folded, the vertical rod and the caster at the bottom end of the rear wheel folding foot rest of the patient with inconvenient end synchronously touch the ground, and the three-point type ground supporting point consisting of the vertical rod and the two casters at the bottom end of the rear wheel folding foot rest can vertically support the folding wheelchair for the next use, so that the folding wheelchair can be unfolded for use without being held down; thus, the folding wheelchair can be placed vertically when the wheelchair is placed; the vertical rod automatically descends along with the folding action of the backrest folding frame in the folding process of the wheelchair, and the vertical rod automatically lifts along with the opening action of the backrest folding frame in the unfolding process of the wheelchair and leaves the ground.
The vertical rod is hinged and folded (semi-elastic hinged) with the backrest folding frame, and the vertical rod is erected and then synchronously landed with the bottom end caster of the rear wheel folding foot frame; in order to be convenient to store and reduce the use obstacles as much as possible, the foldable clothes rack is made to be folded; the vertical rods are treaded down by the front ends (feet) of the feet of a patient with inconvenient end before the wheelchair is folded, so that the vertical rods are vertically arranged, then the wheelchair is folded, after the wheelchair is folded, the vertical rods and the two trundles of the folding foot rest of the rear wheel synchronously land, the folding wheelchair is erected by a three-point landing supporting point formed by the vertical rods and the two trundles of the folding foot rest of the rear wheel, the folding wheelchair is convenient to place vertically and use next time, and the folding wheelchair can be unfolded and used next time without end; when the vertical rod is folded, the vertical rod can also be kicked to one side by the front end of the foot, so that the vertical rod is folded; of course, the person with the ability to hold the wheelchair can hold the wheelchair down and adjust the vertical and the contraction folding of the vertical rod by hand, so that the folding wheelchair can be placed vertically when the wheelchair is placed.
The vertical rod comprises a U-shaped connecting piece and a vertical rod, the U-shaped connecting piece is fixedly connected with the middle of the lower section of the backrest folding frame, and the vertical rod is clamped and connected by the U-shaped connecting piece.
The preferable technical scheme is further as follows: after the folding wheelchair is folded, a three-point type landing supporting point consisting of a vertical rod 6 and two trundles 5 of a rear wheel folding foot stand 2 erects the folding wheelchair, and the three supporting points form a triangular tripod supporting principle to fix the wheelchair.
The vertical rod 6 comprises a U-shaped connecting piece 61 and a vertical rod 62, the U-shaped connecting piece 61 is fixedly connected with the middle of the lower section of the backrest folding frame 4, and the vertical rod 62 is clamped and connected (semi-elastic connection) by the U-shaped connecting piece 61.
The U-shaped connecting piece 61 is made of plastic materials; the vertical rod 62 comprises an upper plastic connector 601, a rod body 602 and a lower plastic anti-skid pad 603; the upper plastic connector 601 transversely penetrates through the U-shaped connecting piece 61 and the upper plastic connector 601 through pins to form tight connection; the upper plastic connector 601 is arranged in the U-shaped opening; the upper plastic connector 601 is fixedly connected with the upper end of the rod body 602, and the lower end of the rod body 602 is fixedly connected with the lower plastic non-slip mat 603.
One side border of upper end plastic connector 601 upwards extends and has a spacing piece 6A, and spacing piece 6A is used for stirring when vertical location.
The two sides of the middle part of the backrest folding frame 4 are hinged with the two sides behind the seat frame 3, and the two sides of the bottom of the backrest folding frame 4 are hinged with the left side and the right side of the bottom of the rear wheel folding foot frame 2, so that the whole wheelchair frame can be folded in a linkage manner.
The seat frame 3 comprises a bottom pipe frame 31 and a cushion 32, and two ends of the rear part of the bottom pipe frame 31 are hinged with two sides of the middle part of the backrest folding frame 4; the bottom pipe frame 31 is detachably connected with the cushion 32.
The cushion 32 is connected with the bottom pipe frame 31 through a lock catch.
The rear wheel folding foot rest 2 comprises a left rear foot rod 21, a right rear foot rod 23 and a rear cross beam 22, the upper ends of the left rear foot rod and the right rear foot rod are hinged with the seat frame 3, the rear cross beam 22 is fixedly connected to the lower section between the left rear foot rod and the right rear foot rod, and the bottom ends of the left rear foot rod and the right rear foot rod are provided with trundles 5, namely two trundles 5.
The backrest folding frame 4 comprises a handle left rod 41, a handle right rod 43 and a cross rod 42, the cross rod 42 is fixed at the bottom section between the handle left rod 41 and the handle right rod 43, and the middle part of the cross rod 42 is connected with a vertical rod 6.
Another structure of the vertical rod 6 is as follows: the vertical rod 6 comprises a fixed pipe and a telescopic rod, the fixed pipe is fixedly connected with the middle of the lower section of the rear wheel folding foot stool 2, an elastic lock pin is arranged on the telescopic rod, at least two pin holes are formed in the fixed pipe, the telescopic rod is inserted into the fixed pipe, the elastic lock pin is retracted and fixed when falling into a high gear, and the elastic lock pin is extended and fixed when falling into a low gear.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (10)
1. A standing device of a folding wheelchair comprises a front wheel folding foot rest, a rear wheel folding foot rest, a seat frame and a backrest folding frame; the left side and the right side of the bottom ends of the front wheel folding foot rest and the rear wheel folding foot rest are both connected with trundles; the folding foot rest of the front wheel and the folding foot rest of the rear wheel are hinged with the seat frame, and the folding frame of the backrest is hinged with the rear part of the seat frame; the method is characterized in that: the middle part of the lower section of the backrest folding frame is connected with a vertical rod, and after the folding wheelchair is folded, the vertical rod and two trundles at the bottom end of a rear wheel folding foot frame form at least three-point type landing support points to erect the folding wheelchair.
2. The device for erecting a folding wheelchair as claimed in claim 1, wherein: the vertical rod is hinged and folded with the backrest folding frame, and the vertical rod is synchronously grounded with the bottom caster of the rear wheel folding foot frame after being erected.
3. The device for erecting a folding wheelchair according to claim 1 or 2, wherein: the vertical rod comprises a U-shaped connecting piece and a vertical rod, the U-shaped connecting piece is fixedly connected with the middle of the lower section of the backrest folding frame, and the vertical rod is clamped and connected by the U-shaped connecting piece.
4. The device for erecting a folding wheelchair as claimed in claim 3, wherein: the U-shaped connecting piece is made of plastic materials; the vertical rod comprises an upper plastic connector, a rod body and a lower plastic anti-skid pad; the upper plastic connector transversely penetrates through the U-shaped connecting piece through a pin and is tightly connected with the upper plastic connector; the upper plastic connector is arranged in the U-shaped opening; the upper plastic connector is fixedly connected with the upper end of the rod body, and the lower end of the rod body is fixedly connected with the lower plastic non-slip mat.
5. The device for erecting a folding wheelchair as claimed in claim 1, wherein: the vertical rod comprises a fixed pipe and a telescopic rod, the fixed pipe is fixedly connected with the middle of the lower section of the rear wheel folding foot rest, an elastic lock pin is arranged on the telescopic rod, at least two pin holes are formed in the fixed pipe, the telescopic rod is inserted into the fixed pipe, the elastic lock pin is retracted and fixed when falling into a high gear, and the elastic lock pin is extended and fixed when falling into a low gear.
6. The device for erecting a folding wheelchair as claimed in claim 1, wherein: the two sides of the middle part of the backrest folding frame are hinged with the two sides behind the seat frame, and the two sides of the bottom of the backrest folding frame are hinged with the left side and the right side of the bottom of the rear wheel folding foot frame.
7. The device for erecting a folding wheelchair as claimed in claim 6, wherein: the seat frame comprises a bottom pipe frame and a cushion, and two ends of the rear part of the bottom pipe frame are hinged with two sides of the middle part of the backrest folding frame; the bottom pipe frame is detachably connected with the cushion.
8. The device for erecting a folding wheelchair as claimed in claim 7, wherein: the cushion is connected with the bottom pipe frame through a lock catch.
9. The device for erecting a folding wheelchair as claimed in claim 1, wherein: the folding foot rest of rear wheel includes left back foot bar, right back foot bar, rear beam, and the upper end of left back foot bar, right back foot bar is articulated with the seat frame, and rear beam fixed connection is in the hypomere between left back foot bar, the right back foot bar, and the truckle is installed to the bottom of left back foot bar, right back foot bar.
10. The device for erecting a folding wheelchair as claimed in claim 1, wherein: the backrest folding frame comprises a handle left rod, a handle right rod and a cross rod, the cross rod is fixed at the bottom section between the handle left rod and the handle right rod, and the middle part of the cross rod is connected with a vertical rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022457243.1U CN213964006U (en) | 2020-10-29 | 2020-10-29 | Erecting device of folding wheelchair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022457243.1U CN213964006U (en) | 2020-10-29 | 2020-10-29 | Erecting device of folding wheelchair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213964006U true CN213964006U (en) | 2021-08-17 |
Family
ID=77259486
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022457243.1U Active CN213964006U (en) | 2020-10-29 | 2020-10-29 | Erecting device of folding wheelchair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213964006U (en) |
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2020
- 2020-10-29 CN CN202022457243.1U patent/CN213964006U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |