CN209790220U - Foldable electric wheelchair - Google Patents
Foldable electric wheelchair Download PDFInfo
- Publication number
- CN209790220U CN209790220U CN201822078642.XU CN201822078642U CN209790220U CN 209790220 U CN209790220 U CN 209790220U CN 201822078642 U CN201822078642 U CN 201822078642U CN 209790220 U CN209790220 U CN 209790220U
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- frame
- seat
- rotatably connected
- electric wheelchair
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Abstract
The utility model discloses a foldable electric wheelchair, which comprises a backrest frame, a seat frame, a supporting frame, a pull frame, two rear wheel supporting feet, two seat frame supporting feet, two front wheel supporting feet, two front wheels and two rear wheels; the backrest frame is rotatably connected with the seat frame, and the backrest frame and the seat frame are provided with corresponding openable and closable lock catches; two sides of the supporting frame are respectively and rotatably connected with two rear wheel supporting feet, and the top of the supporting frame is rotatably connected to the bottom of the backrest frame; the pull frame is rotatably connected to two sides of the supporting frame by two rear sides, and the pull frame is fixedly connected to the inner sides of the two front wheel supporting feet by two front sides. When the wheelchair is folded, all parts of the electric wheelchair can be folded together in a linkage manner only by loosening the lock catches on the backrest frame and the seat frame and pushing the backrest frame, so that the operation is simple and convenient, and the folded wheelchair occupies small space and is convenient to carry and store.
Description
Technical Field
The utility model relates to a foldable electric wheelchair.
Background
The electric wheelchair is based on a common wheelchair, an electronic power-assisted system is added, and physical strength consumption of a user is reduced. The electric wheelchair can be folded for convenient storage and transportation, and most of the existing foldable electric wheelchairs adopt staggered X-shaped rods to realize transverse folding of the wheelchair, but the folding structure has the following defects: the folded product has larger volume and is inconvenient to carry and store; the folding operation is troublesome.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model aims to provide an electric wheelchair which can be folded by one key, has smaller volume after being folded and is convenient to carry and store.
The embodiment of the utility model provides a foldable electric wheelchair, which comprises a backrest frame, a seat frame, a supporting frame, a pulling frame, two rear wheel supporting feet, two seat frame supporting feet, two front wheel supporting feet, two front wheels and two rear wheels; the backrest frame is rotatably connected with the seat frame, and the backrest frame and the seat frame are provided with corresponding openable and closable lock catches; the two seat frame supporting feet are respectively arranged at the front positions of the left side and the right side of the seat frame; the two rear wheel supporting feet are respectively and fixedly connected with the two rear wheels and are respectively and rotatably connected to the inner sides of the two seat frame supporting feet; the two front wheel supporting feet are respectively arranged on the two front wheels and are respectively and rotatably connected to the outer sides of the two seat frame supporting feet; two sides of the supporting frame are respectively and rotatably connected with two rear wheel supporting feet, and the top of the supporting frame is rotatably connected to the bottom of the backrest frame; the pull frame is rotatably connected to two sides of the supporting frame by two rear sides, and the pull frame is fixedly connected to the inner sides of the two front wheel supporting feet by two front sides.
In the embodiment of the foldable electric wheelchair, the openable lock catch comprises a buckle arranged at the bottom of the backrest frame and a bayonet arranged at the rear side of the seat frame, the buckle is provided with an L-shaped movable buckle, a return spring, a buckle seat and a press switch, the vertical edge of the L-shaped movable buckle penetrates through the buckle seat and is connected with the return spring, the press switch is arranged at the top of the buckle seat and is connected with the vertical edge of the L-shaped movable buckle through the return spring, the transverse edge of the L-shaped movable buckle extends towards the sleeve and is provided with a hook, and the hook can fasten the bayonet at the rear side of the seat frame.
In the embodiment of the foldable electric wheelchair, the top of the supporting frame is provided with a limit buffer seat used for being matched with the backrest frame.
In the embodiment of the foldable electric wheelchair, the inner side of the front wheel supporting foot is provided with a limiting buffer block which is used for being matched with the seat frame supporting foot.
In the embodiment of the foldable electric wheelchair, the foldable electric wheelchair further comprises a pedal frame which is rotatably connected to the front side of the pull frame, and the pedal frame can be turned upwards relative to the pull frame; the front side of the pulling frame is provided with a rotating connecting seat, and the two sides of the pedal frame are rotatably connected with the rotating connecting seat.
In the embodiment of the foldable electric wheelchair, the pull frame is internally provided with a battery box and a storage bag.
In the embodiment of the foldable electric wheelchair, the foldable electric wheelchair further comprises two armrests and two armrest support rods, the two armrests are respectively and rotatably connected to two sides of the backrest frame, the bottom ends of the two armrest support rods are respectively and rotatably connected to two sides of the seat frame, and the top ends of the two armrest support rods are respectively connected to the bottoms of the armrests. Furthermore, a detachable control rod seat is arranged on the front side of one of the armrests.
In the embodiment of the foldable electric wheelchair, the front wheel supporting foot comprises a first supporting part and a second supporting part which are integrally connected in a 7-shaped manner, the first supporting part is fixedly connected with two ends of a front wheel rotating shaft, and the second supporting part is rotatably connected to the outer side of the seat frame supporting foot.
In the embodiment of the foldable electric wheelchair, the foldable electric wheelchair further comprises two anti-tilting wheels, and the two anti-tilting wheels are respectively arranged on the inner sides of the two rear wheels through telescopic brackets.
the embodiment of the utility model provides a following beneficial effect has at least: the electric wheelchair has stable structure in the unfolded state, when the electric wheelchair is folded, all parts of the electric wheelchair can be folded together in a linkage manner only by loosening the lock catches on the backrest frame and the seat frame and pushing the backrest frame, the operation is simple and convenient, and the occupied space after the electric wheelchair is folded is small, so that the electric wheelchair is convenient to carry and store.
Drawings
fig. 1 is a schematic structural view of an electric wheelchair according to an embodiment of the present invention in an unfolded state;
FIG. 2 is a schematic structural view of the electric wheelchair according to the embodiment of the present invention in an unfolded state;
FIG. 3 is a schematic structural view of the electric wheelchair in a semi-folded state according to the embodiment of the present invention;
FIG. 4 is a schematic structural view of the electric wheelchair in a fully folded state according to the embodiment of the present invention;
FIG. 5 is a schematic view of the electric wheelchair in a fully folded state according to the embodiment of the present invention;
FIG. 6 is a schematic structural view of a lock catch of an electric wheelchair according to an embodiment of the present invention;
Fig. 7 is a schematic structural view of a detachable joystick base of the electric wheelchair according to the embodiment of the present invention.
The following are marked in the figure: 100 backrest frames; a 110 mount; 120 a support frame; 130, pulling a frame; 140 rear wheel arm braces; 150 seat frame supporting feet; 160 front wheel arm braces; 170 front wheels; 180 rear wheels; 190 locking and buckling; 191L-shaped movable buckles; 192 a fastener seat; 193 hook; 194 a bayonet; 195 press switch; 200 limiting buffer seats; 210 limit buffer blocks; 220 of a pedal frame; 230 rotating the connecting base; 240 a battery case; 250, a storage bag; 260 a handrail; 270 handrail struts; 280 anti-roll wheels; 290 lever seat.
Detailed Description
As shown in fig. 1 to 5, an embodiment of the present invention provides a foldable electric wheelchair, which includes a backrest frame 100, a seat frame 110, a support frame 120, a pull frame 130, two rear wheel stays 140, two seat frame stays 150, two front wheel stays 160, two front wheels 170, and two rear wheels 180; the backrest frame 100 is rotatably connected with the seat frame 110, the backrest frame 100 and the seat frame 110 are provided with corresponding openable and closable lock catches 190, and the lock catches 190 are locked to fix the backrest frame 100 and the seat frame 110 when the wheelchair is in a use state; two seat frame braces 150 are respectively arranged at the front positions of the left and right sides of the seat frame 110; the two rear wheel supporting feet 140 are respectively fixedly connected with the two rear wheels 180 and are respectively and rotatably connected to the inner sides of the two seat frame supporting feet 150; the two front wheel supporting feet 160 are respectively arranged on the two front wheels 170 and are respectively and rotatably connected to the outer sides of the two seat frame supporting feet 150; the two sides of the supporting frame 120 are respectively connected with the two rear wheel supporting feet 140 in a rotating way, the top part is connected to the bottom of the backrest frame 100 in a rotating way, and the supporting frame 120 plays a role in supporting the seat frame 110 in a using state; the pull frame 130 is rotatably connected to two sides of the support frame 120 near the rear side, and the pull frame 130 is fixedly connected to the inner sides of the two front wheel arm braces 160 near the front side. When the wheelchair is to be folded, the lock catch 190 is firstly released, then the backrest frame 100 is pushed down to be folded towards the seat frame 110, and the support frame 120 is linked with the backrest frame 100 to drive the rear wheel supporting feet 140 to be folded towards the seat frame 110; the pulling frame 130 is linked with the supporting frame 120 to drive the front wheel brace 160 to fold toward the seat frame 110; therefore, all parts of the electric wheelchair are linked, folded and folded together, the operation is simple and convenient, the occupied space is small after the electric wheelchair is folded, and the electric wheelchair is convenient to carry and store.
As shown in fig. 6, in this embodiment, the openable buckle 190 may include a buckle disposed at the bottom of the backrest frame 100 and a bayonet 194 disposed at the rear side of the seat frame 110, the buckle is provided with an L-shaped movable buckle 191, a return spring, a buckle seat 192 and a push switch 195, a vertical edge of the L-shaped movable buckle 191 penetrates the buckle seat 192 and is connected with the return spring, the push switch 195 is disposed at the top of the buckle seat 192 and is connected with a vertical edge of the L-shaped movable buckle 191 through the return spring, a transverse edge of the L-shaped movable buckle 191 extends towards the sleeve and is provided with a hook 193 at its end, and the hook 193 can fasten the bayonet 194 at the rear side of the seat frame 110. When the wheelchair is in use, the hook 193 of the L-shaped movable buckle 191 fastens the bayonet 194 to lock and fix the positions of the backrest frame 100 and the seat frame 110 in use, and when the wheelchair needs to be folded, the push switch 195 is pressed to separate the hook 193 from the bayonet 194 to release the lock catch 190.
In this embodiment, two position-limiting buffer seats 200 for cooperating with the backrest frame 100 are provided on the top of the support frame 120. When the wheelchair needs to be unfolded, the two limiting buffer seats 200 can limit the rotating position of the support frame 120, so as to limit the rear wheel supporting feet 140 connected with the support frame 120, and make the buckle at the bottom of the backrest frame 100 and the bayonet 194 at the rear side of the seat frame 110 just opposite to each other, so as to lock the backrest frame 100 and the seat frame 110; but also plays a certain role in buffering the backrest frame 100.
In this embodiment, a limit buffer block 210 for cooperating with the seat frame brace 150 is disposed inside the front wheel brace 160. The bump stop 210, by cooperating with the seat frame brace 150, defines the position of the front wheel brace 160 when it is folded forward or folded backward to support the front wheel 170.
Further, a foot rest 220 is disposed at the front side of the pulling frame 130, and the foot rest 220 is rotatably connected to the pulling frame 130 and can be turned upward relative to the pulling frame 130, so that the foot rest 220 can be folded when folded. Further, a rotary connecting seat 230 is disposed at the front side of the pulling frame 130, and two sides of the pedal frame 220 are rotatably connected to the rotary connecting seat 230.
Further, a battery box 240 and a storage bag 250 are installed in the pull frame 130.
In this embodiment, the backrest frame further includes two armrests 260 and two armrest support rods 270, the two armrests 260 are respectively rotatably connected to two sides of the backrest frame 100, bottom ends of the two armrest support rods 270 are respectively rotatably connected to two sides of the seat frame 110, and top ends of the two armrest support rods 270 are respectively connected to bottoms of the armrests 260. Further, a detachable lever seat 290 is provided at the front side of one of the armrests 260. When folded, the armrests 260 and the armrest stays 270 can be folded down along with the backrest frame 100. Optionally, a detachable lever seat 290 is provided at the front side of one of the armrests 260. The lever seat 290 can be removed prior to folding of the wheelchair. Specifically, as shown in fig. 7, the lever seat 290 is inserted into the armrest 260 and then fixed by pressing the quick release seat rod clamp into the inner hole of the armrest 260.
In this embodiment, the front wheel arm brace 160 includes a first support part and a second support part integrally connected in a shape of "7", the first support part is fixedly connected to both ends of the rotation shaft of the front wheel 170, and the second support part is rotatably connected to the outside of the seat frame arm brace 150. With the structure, the front wheel 170 can be conveniently and completely folded backwards through the front wheel supporting foot 160.
in this embodiment, two anti-roll wheels 280 are further included, the two anti-roll wheels 280 are respectively disposed inside the two rear wheels 180 through telescopic brackets, and the two anti-roll wheels 280 are telescopic so that the wheelchair can be folded.
Of course, the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and the changes, modifications, additions or substitutions made by those skilled in the art within the scope of the present invention should also belong to the protection scope of the present invention.
Claims (10)
1. A foldable electric wheelchair is characterized in that: comprises a backrest frame, a seat frame, a supporting frame, a pull frame, two rear wheel supporting feet, two seat frame supporting feet, two front wheel supporting feet, two front wheels and two rear wheels; the backrest frame is rotatably connected with the seat frame, and the backrest frame and the seat frame are provided with corresponding openable and closable lock catches; the two seat frame supporting feet are respectively arranged at the front positions of the left side and the right side of the seat frame; the two rear wheel supporting feet are respectively and fixedly connected with the two rear wheels and are respectively and rotatably connected to the inner sides of the two seat frame supporting feet; the two front wheel supporting feet are respectively arranged on the two front wheels and are respectively and rotatably connected to the outer sides of the two seat frame supporting feet; two sides of the supporting frame are respectively and rotatably connected with two rear wheel supporting feet, and the top of the supporting frame is rotatably connected to the bottom of the backrest frame; the pull frame is rotatably connected to two sides of the supporting frame by two rear sides, and the pull frame is fixedly connected to the inner sides of the two front wheel supporting feet by two front sides.
2. The foldable electric wheelchair as claimed in claim 1, wherein: but open closed hasp is including setting up the buckle in back frame bottom and setting up the bayonet socket at the seat frame rear side, the buckle is equipped with L shape activity and detains, reset spring, detains seat and press switch, the perpendicular limit of L shape activity knot is worn the dress and is detained in the seat and be connected with reset spring, and press switch sets up and links to each other detaining the seat top and through reset spring and the perpendicular limit of L shape activity knot, and the horizontal limit of L shape activity knot extends to the sleeve pipe and sets up and its tip is equipped with the pothook, the bayonet socket of pothook ability straining seat frame rear side.
3. The foldable electric wheelchair as claimed in claim 1, wherein: and the top of the supporting frame is provided with a limiting buffer seat matched with the backrest frame.
4. The foldable electric wheelchair as claimed in claim 1, wherein: the inner side of the front wheel arm brace is provided with a limiting buffer block which is used for being matched with the seat frame arm brace.
5. the foldable electric wheelchair as claimed in claim 1, wherein: the pedal frame is rotatably connected to the front side of the pulling frame and can be turned upwards relative to the pulling frame; the front side of the pulling frame is provided with a rotating connecting seat, and the two sides of the pedal frame are rotatably connected with the rotating connecting seat.
6. The foldable electric wheelchair as claimed in claim 1, wherein: the pull frame is internally provided with a battery box and a storage bag.
7. The foldable electric wheelchair as claimed in claim 1, wherein: the backrest frame is characterized by further comprising two handrails and two handrail support rods, the two handrails are respectively and rotatably connected to two sides of the backrest frame, the bottom ends of the two handrail support rods are respectively and rotatably connected to two sides of the seat frame, and the top ends of the two handrail support rods are respectively connected with the bottoms of the handrails.
8. The foldable electric wheelchair as claimed in claim 7, wherein: one of the armrests is provided with a detachable operating rod seat at the front side.
9. The foldable electric wheelchair as claimed in claim 1, wherein: the front wheel arm brace comprises a first supporting part and a second supporting part which are integrally connected in a 7-shaped manner, the first supporting part is fixedly connected with the two ends of the front wheel rotating shaft, and the second supporting part is rotatably connected to the outer side of the seat frame arm brace.
10. the foldable electric wheelchair as claimed in claim 1, wherein: the anti-roll device also comprises two anti-roll wheels which are respectively arranged on the inner sides of the two rear wheels through telescopic brackets.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822078642.XU CN209790220U (en) | 2018-12-10 | 2018-12-10 | Foldable electric wheelchair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822078642.XU CN209790220U (en) | 2018-12-10 | 2018-12-10 | Foldable electric wheelchair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209790220U true CN209790220U (en) | 2019-12-17 |
Family
ID=68817194
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822078642.XU Active CN209790220U (en) | 2018-12-10 | 2018-12-10 | Foldable electric wheelchair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209790220U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113827410A (en) * | 2021-09-14 | 2021-12-24 | 安徽金百合医疗器械有限公司 | Medical carbon fiber electric wheelchair with seat cushion groove |
-
2018
- 2018-12-10 CN CN201822078642.XU patent/CN209790220U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113827410A (en) * | 2021-09-14 | 2021-12-24 | 安徽金百合医疗器械有限公司 | Medical carbon fiber electric wheelchair with seat cushion groove |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |