CN214967915U

CN214967915U - Wheelchair convenient to fold

Info

Publication number: CN214967915U
Application number: CN202121601153.3U
Authority: CN
Inventors: 蒋雅聪
Original assignee: Xuzhou Hengbeishu Medical Technology Co Ltd
Current assignee: Xuzhou Hengbeishu Medical Technology Co Ltd
Priority date: 2021-07-14
Filing date: 2021-07-14
Publication date: 2021-12-03
Anticipated expiration: 2031-07-14

Abstract

The utility model relates to a wheelchair convenient to fold. This wheelchair convenient to it is folding includes parallel interval arrangement's first support and second support, first support with the second support is X-shaped articulated connecting rod through two and connects, the both ends of two connecting rods respectively with first support, second support fixed connection, the wheel is all installed to the lateral surface rear end of first support and the lateral surface rear end of second support, the lateral surface front end of first support with the lateral surface front end of second support all rotates and is equipped with the leading wheel, and the rear end of first support is equipped with first intubate, the rear end of second support is equipped with the second intubate, and the wheelchair still includes the back, the back includes the skeleton pole of the shape of falling U-shaped and sets up last support cloth on the skeleton pole, two vertical poles of skeleton insert respectively in first intubate, the second intubate. Compared with the prior art, the utility model discloses a folding expansion of wheelchair of being convenient for is more convenient, operates simplyr, and it is more convenient to use.

Description

Wheelchair convenient to fold

Technical Field

The utility model belongs to the technical field of the wheelchair, concretely relates to wheelchair convenient to it is folding.

Background

With the development of social welfare career and the improvement of living standard of people, the disabled people increasingly use the rehabilitation wheelchair, thereby greatly facilitating indoor and outdoor activities of the disabled people and improving the living quality of the disabled people. The front lower part of the rehabilitation wheelchair is generally provided with a pedal plate for supporting a foot, and the pedal plate is usually designed into a turnover pedal plate convenient to use so that the disabled can conveniently get on and off the wheelchair and get on and off the stairs, so that the disabled can conveniently carry the wheelchair when not using the wheelchair.

The chinese patent application with application publication No. CN109620568A discloses a liftable folding wheelchair, which comprises a bearing frame, a sitting part arranged on the bearing frame, a bottom frame, a guide mechanism rotatably connected to the front part of the bottom frame, and a driving wheel arranged at the rear part of the bottom frame; the bearing frame is rotationally connected to the front part of the bottom frame, the rear part of the bottom frame is rotationally provided with a first connecting rod, the bearing frame is rotationally provided with a poking piece, one end of the poking piece is rotationally connected to the free end of the first connecting rod, and the bearing frame, the bottom frame, the first connecting rod and the poking piece form an inverse parallelogram mechanism; the front part of the bearing frame is provided with a second connecting rod which is rotatably connected with the guide mechanism, and the guide mechanism is provided with a guide wheel. However, the wheelchair is cumbersome to fold and inconvenient to use.

SUMMERY OF THE UTILITY MODEL

To the technical problem, the utility model provides a wheelchair convenient to fold to solve the inconvenient technical problem of collapsible wheelchair among the prior art.

The utility model discloses a wheelchair convenient to fold technical scheme is:

the utility model provides a wheelchair convenient to it is folding, includes parallel interval arrangement's first support and second support, first support with the second support is X-shaped articulated connecting rod through two and connects, two the both ends of connecting rod respectively with first support, second support fixed connection, the lateral surface rear end of first support with the wheel is all installed to the lateral surface rear end of second support, the lateral surface front end of first support with the lateral surface front end of second support all rotates and is equipped with the leading wheel, the rear end of first support is equipped with first intubate, the rear end of second support is equipped with the second intubate, the wheelchair still includes the back, the back is in including the skeleton pole of the shape of falling U and setting last support cloth on the skeleton pole, two vertical poles of skeleton insert respectively in first intubate, the second intubate.

As a further improvement to the above technical solution, a lower support cloth is provided between the first insertion tube and the second insertion tube.

As a further improvement to the above technical solution, the lower end of the first insertion tube is hinged to the first support, the first support is hinged to a first hydraulic rod, the end of the piston rod of the first hydraulic rod is hinged to the first insertion tube, the lower end of the second insertion tube is hinged to the second support, the second support is hinged to a second hydraulic rod, and the end of the piston rod of the second hydraulic rod is hinged to the second insertion tube.

As a further improvement to the above technical solution, the rear end of the first insertion tube and the rear end of the second insertion tube are respectively provided with a push handle, the push handle is fixedly connected with control hand brakes, and the two control hand brakes are respectively connected with the first hydraulic rod and the second hydraulic rod through connecting pipelines.

As a further improvement to the above technical solution, the upper side of the first support is fixedly connected with a first stop lever, the first stop lever is of an inverted U-shaped structure, the lower ends of two vertical sections of the first stop lever are fixedly connected with the first support, the inside of the first stop lever is fixedly connected with a baffle, the upper side of the horizontal section of the first stop lever is fixedly connected with a handrail, the upper side of the second support is fixedly connected with a second stop lever, the second stop lever is of an inverted U-shaped structure, the lower ends of two vertical sections of the second stop lever are fixedly connected with the second support, the inside of the second stop lever is fixedly connected with a baffle, and the upper side of the horizontal section of the second stop lever is fixedly connected with a handrail.

As a further improvement to the above technical scheme, the front end of first support articulates there is first shank bracing piece, the first shank bracing piece of fixedly connected with goes up the first shank supporting pad, the front end of second support articulates there is second shank bracing piece, fixedly connected with second shank supporting pad on the second shank bracing piece.

The utility model provides a wheelchair convenient to it is folding compares in prior art, has following advantage:

the utility model discloses a when being convenient for folding wheelchair uses, when needs expand the wheelchair, along first support of opposite direction pulling and second support, make first support and second support to keeping away from the direction motion each other, then insert first intubate and second intubate respectively with two vertical poles of the bone hack lever of back, first support and second support are realized fixedly, and at this moment, the seat on first support and the second support is in the expansion state, plays further limiting displacement to first support and second support. When the wheelchair needs to be folded, the frame rods of the backrest are pulled out from the first insertion tube and the second insertion tube, and then the first support and the second support are pushed to move towards the direction of mutual approaching, so that the folding of the wheelchair is realized. Compared with the prior art, the utility model discloses a folding expansion of wheelchair of being convenient for is more convenient, operates simplyr, and it is more convenient to use.

The utility model discloses an in the wheelchair convenient to fold, first support is articulated with first intubate, and the second support is articulated with the second intubate, has on the first support to be used for carrying out spacing first hydraulic stem to first intubate turned angle, has on the second support to be used for carrying out spacing second hydraulic stem to second intubate turned angle, makes the utility model discloses a back of wheelchair convenient to fold can rotate, uses more comfortablely, can also regard as stretcher car to use under the emergency.

Drawings

FIG. 1 is a first schematic structural view of the foldable wheelchair of the present invention;

FIG. 2 is a schematic structural view of a wheelchair of the present invention;

FIG. 3 is a third schematic structural view of the foldable wheelchair of the present invention;

FIG. 4 is a schematic view of the folding wheelchair (without backrest) of the present invention;

FIG. 5 is an enlarged view at A in FIG. 3;

FIG. 6 is an enlarged view at B in FIG. 3;

reference numbers in the figures: 1. a first bracket; 2. a second bracket; 3. a wheel; 4. a guide wheel; 5. a connecting rod; 6. a first bar; 7. a baffle plate; 8. a handrail; 9. a second bar; 10. a first mounting seat; 11. a second mounting seat; 12. a first seat cushion; 13. a second seat cushion; 14. a first cannula; 15. a second cannula; 16. a skeletal frame rod; 17. an upper support cloth; 18. a lower support cloth; 19. a push handle; 20. controlling a hand brake; 21. an intermediate lever; 22. a first hydraulic lever; 23. a fixing plate; 24. mounting a rod; 25. an anti-roll bar; 26. a spring pin; 27. a first leg support bar; 28. a first leg support pad; 29. a second leg support bar; 30. a second leg support pad; 31. a first support plate; 32. a second support plate.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments:

the utility model discloses a specific embodiment of wheelchair convenient to fold, as shown in fig. 1 to 6, including first support 1 and second support 2, first support 1 and second support 2 parallel interval arrangement. Two connecting rods 5 are arranged between the first support 1 and the second support 2, the two connecting rods 5 are crossed to form an X-shaped structure, and the crossed positions of the two connecting rods 5 are hinged through a hinge shaft. The two ends of the two connecting rods 5 are respectively welded and fixed with the first support 1 and the second support 2, so that the first support 1 and the second support 2 are hinged. In order to strengthen the structural strength of the first bracket 1 and the second bracket 2, a first middle rod 21 is hinged on the first bracket 1, and one end of the first middle rod 21, which is far away from the first bracket 1, is hinged with one of the two connecting rods 5. A second middle rod 21 is hinged on the second bracket 2, and one end of the second middle rod 21 far away from the first bracket 1 is hinged with the other of the two connecting rods 5. The first and second

intermediate bars

21 and 21 reinforce the overall structural strength of the first and

second brackets

1 and 2 when the first and

second brackets

1 and 2 are in the open state.

In this embodiment, the first bracket 1 includes a square frame structure, and each position of the frame structure is a circular tube. The upper end welding of frame construction has the stiffener, and the stiffener is fixed with the one end welded fastening of one connecting rod 5 in two connecting rods 5, and the lower side pole of frame construction is fixed with the one end welded fastening of another connecting rod 5 in two connecting rods 5, and the tip of intermediate lever 21 is articulated with the upside pole of frame. The reinforcing rod is rotatably provided with a first mounting seat 10, and a first cushion 12 is fixedly connected to the upper side of the first mounting seat 10. The side fixedly connected with first pin 6 on the frame, first pin 6 are the structure of falling the U-shaped, and two vertical section lower extremes of first pin 6 and the frame of first support 1 go up side fixed connection, the inside fixedly connected with baffle 7 of first pin 6, the horizontal segment upside fixedly connected with handrail 8 of first pin 6.

In this embodiment, wheel 3 is installed to the lateral surface rear end of frame, and the front end of frame is rotated and is equipped with leading wheel 4, and leading wheel 4 can realize 360 rotations, so that control the utility model discloses a direction of motion. And a hand brake plate is arranged on the outer side surface of the upper side rod of the frame and used for stopping the wheel 3, so that the wheel 3 is locked.

In this embodiment, the first bracket 1 further includes a fixing rod welded to the rear end of the frame, and the fixing rod extends in the vertical direction. The upper end of the fixed rod is hinged with a first inserting pipe 14, the outer side surface of the upper corner of the rear end of the frame is welded with an L-shaped mounting rod 24, the horizontal section of the L-shaped mounting rod 24 extends forwards and is welded with the upper side rod of the frame, and the vertical section of the L-shaped mounting rod 24 is welded with the vertical part of the rear end of the frame. The L-shaped mounting rod 24 is hinged with a first hydraulic rod 22, the outer side surface of the first insertion tube 14 is connected with an L-shaped fixing plate 23, the L-shaped fixing plate 23 is horizontally arranged, and the horizontal edge of the fixing plate 23 extends backwards and is hinged with a piston rod of the first hydraulic rod 22. The rear end of the first insertion pipe 14 is welded with a push handle 19, a control hand brake 20 is fixedly mounted on the push plate, the control hand brake 20 is connected with a first hydraulic rod 22 through a connecting pipeline, and when the control hand brake 20 is pressed, a piston rod of the first hydraulic rod 22 can stretch out and draw back. When the control hand brake 20 is released, the piston rod of the first hydraulic rod 22 is not telescopic.

In this embodiment, the rear end of the frame is extended from the rear end of the lower side rod of the frame of the first bracket 1, the rear end of the lower side rod of the frame of the first bracket 1 is sleeved with the anti-tilting tube, the anti-tilting tube is L-shaped, the horizontal tube of the L-shaped anti-tilting tube is sleeved on the lower side rod, the lower side rod is provided with the spring pin 26, and the anti-tilting rod 25 is provided with two positioning holes matched with the spring pin 26. The two positioning holes are communicated, and when the spring pin 26 is matched with the two positioning holes, the vertical section of the anti-roll bar 25 is in a vertically upward state and a vertically downward state. When the vertical section of the anti-roll bar 25 is in a vertically downward state, the vertical section of the anti-roll bar 25 can contact with the ground when the wheelchair climbs, and the wheelchair is prevented from rolling over.

In this embodiment, the front end of first support 1 articulates there is first shank support rod 27, and the callus on the sole is installed to the lower extreme of first shank support rod 27, installs first shank supporting pad 28 on first shank support rod 27, and first shank supporting pad 28 can be adjusted in the position on first shank support rod 27. An adjusting mechanism for controlling the angle of the first leg supporting rod 27 is installed on the first bracket 1, so that the angle adjustment of the first leg supporting rod 27 is realized.

In this embodiment, the second bracket 2 includes a square frame structure, and a circular tube is used at each position of the frame structure. The upper end welding of frame construction has the stiffener, and the stiffener is fixed with the one end welded fastening of one connecting rod 5 in two connecting rods 5, and the lower side pole of frame construction is fixed with the one end welded fastening of another connecting rod 5 in two connecting rods 5, and the tip of intermediate lever 21 is articulated with the upside pole of frame. The reinforcing rod is rotatably provided with a second mounting seat 11, and a second cushion 13 is fixedly connected to the upper side of the second mounting seat 11. The end, close to each other, of each of the first mounting seat 10 and the second mounting seat 11 is hinged, the rotation angles of the first mounting seat 10 and the second mounting seat 11 are both 90 degrees, and when the first mounting seat 10 and the second mounting seat 11 rotate to a horizontal state, the first mounting seat 10 and the second mounting seat 11 are horizontally stopped, so that the first mounting seat 10 and the second mounting seat 11 are kept in the horizontal state. When the first bracket 1 and the second bracket 2 are folded, the first mounting seat 10 and the second mounting seat 11 are rotated to be in a vertical state. First cushion 12 and second cushion 13 all are L shape structure, and first cushion 12 and second cushion 13 enclose into the round hole of rectangle when rotating to the horizontality to the user urinates and defecates. In order to facilitate the installation of the bedpan, the front ends of the first cushion 12 and the second cushion 13 are respectively connected with a first supporting plate 31 in an L shape, the vertical sections of the two first supporting plates 31 are respectively fixedly connected with the first cushion 12 and the second cushion 13, and the horizontal sections of the two first supporting plates 31 are arranged in opposite directions to form a supporting groove for supporting the edge of the bedpan. The rear ends of the first cushion 12 and the second cushion 13 are respectively connected with L-shaped second supporting plates 32, the vertical sections of the two second supporting plates 32 are respectively fixedly connected with the first cushion 12 and the second cushion 13, and the horizontal sections of the two second supporting plates 32 are arranged in opposite directions to form a supporting groove for supporting the edge of the bedpan.

In this embodiment, the side fixedly connected with second fender pole 9 on the frame, second fender pole 9 are the structure of falling the U-shaped, and side fixed connection on two vertical section lower extremes of second fender pole 9 and the frame of second support 2, the inside fixedly connected with baffle 7 of second fender pole 9, the horizontal segment upside fixedly connected with handrail 8 of second fender pole 9.

In this embodiment, the second bracket 2 further includes a fixing rod welded to the rear end of the frame, and the fixing rod extends in the vertical direction. The upper end of the fixed rod is hinged with a second inserting pipe 15, the outer side face of the upper corner of the rear end of the frame is welded with an L-shaped mounting rod 24, the horizontal section of the L-shaped mounting rod 24 extends forwards and is welded with the upper side rod of the frame, and the vertical section of the L-shaped mounting rod 24 is welded with the vertical part of the rear end of the frame. The L-shaped mounting rod 24 is hinged with a second hydraulic rod, the outer side surface of the second insertion tube 15 is connected with an L-shaped fixing plate 23, the L-shaped fixing plate 23 is horizontally arranged, and the horizontal edge of the fixing plate 23 extends backwards and is hinged with a piston rod of the second hydraulic rod. The rear end of the second insertion pipe 15 is welded with a push handle 19, a control hand brake 20 is fixedly mounted on the push plate, the control hand brake 20 is connected with the second hydraulic rod through a connecting pipeline, and when the control hand brake 20 is pressed, a piston rod of the second hydraulic rod can stretch out and draw back. When the control hand brake 20 is released, the piston rod of the second hydraulic rod cannot stretch out and draw back.

In this embodiment, the rear end of the frame is extended from the rear end of the lower side rod of the frame of the second bracket 2, the rear end of the lower side rod of the frame of the second bracket 2 is sleeved with the anti-tilting tube, the anti-tilting tube is L-shaped, the horizontal tube of the L-shaped anti-tilting tube is sleeved on the lower side rod, the lower side rod is provided with the spring pin 26, and the anti-tilting rod 25 is provided with two positioning holes matched with the spring pin 26. The two positioning holes are communicated, and when the spring pin 26 is matched with the two positioning holes, the vertical section of the anti-roll bar 25 is in a vertically upward state and a vertically downward state. When the vertical section of the anti-roll bar 25 is in a vertically downward state, the vertical section of the anti-roll bar 25 can contact with the ground when the wheelchair climbs, and the wheelchair is prevented from rolling over.

In this embodiment, the front end of second support 2 is articulated to have second shank support rod 29, and the callus on the sole is installed to the lower extreme of second shank support rod 29, installs second shank supporting pad 30 on the second shank support rod 29, and second shank supporting pad 30 can be adjusted in the position on second shank support rod 29. An adjusting mechanism for controlling the angle of the second leg supporting rod 29 is installed on the second bracket 2, so that the angle adjustment of the second leg supporting rod 29 is realized.

In this embodiment, the wheelchair further includes a backrest, the backrest includes an inverted U-shaped frame rod 16 and an upper support cloth 17 disposed on the frame rod 16, two vertical rods of the frame are respectively inserted into the first insertion tube 14 and the second insertion tube 15, and a lower support cloth 18 is disposed between the first insertion tube 14 and the second insertion tube 15.

The utility model discloses a when being convenient for folding wheelchair uses, when needs expand the wheelchair, along first support 1 of opposite direction pulling and second support 2, make first support 1 and second support 2 to keeping away from the direction motion each other, then insert two vertical poles of the hack lever 16 of back respectively to first intubate 14 and second intubate 15 in, first support 1 and second support 2 realize fixing, at this moment, the seat on first support 1 and the second support 2 is in the expansion state, play further limiting displacement to first support 1 and second support 2. When the wheelchair needs to be folded, the skeleton rod 16 of the backrest is pulled out of the first insertion tube 14 and the second insertion tube 15, and then the first support 1 and the second support 2 are pushed to move towards the mutually approaching direction, so that the folding of the wheelchair is realized. When the wheelchair climbs a slope, the two spring pins 26 are pressed, and the vertical section of the anti-tilting rod 25 is in a vertically downward state, so that the vertical section of the anti-tilting rod 25 is in contact with the ground to prevent the wheelchair from tilting.

The utility model discloses an in the wheelchair convenient to it is folding, first support 1 is articulated with first intubate 14, and second support 2 is articulated with second intubate 15, has on first support 1 to be used for carrying out spacing first hydraulic stem 22 to first intubate 14 turned angle, has on second support 2 to be used for carrying out spacing second hydraulic stem to second intubate 15 turned angle, makes the utility model discloses a back of the wheelchair convenient to it is folding can rotate, uses more comfortablely, can also regard as the stretcher to use under the emergency.

The utility model discloses an among the folding wheelchair of being convenient for, through setting up first backup pad 31 and second backup pad 32, help the side-mounting bedpan under first cushion 12 and second cushion 13, the user can sit and make things convenient for on the wheelchair, and it is more convenient to use.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. A wheelchair convenient to fold is characterized by comprising a first bracket and a second bracket which are arranged in parallel at intervals, the first bracket and the second bracket are connected by two connecting rods hinged in an X shape, two ends of the two connecting rods are respectively fixedly connected with the first bracket and the second bracket, wheels are arranged at the rear end of the outer side surface of the first bracket and the rear end of the outer side surface of the second bracket, the front end of the outer side surface of the first bracket and the front end of the outer side surface of the second bracket are both rotatably assembled with guide wheels, the rear end of the first bracket is provided with a first cannula, the rear end of the second bracket is provided with a second cannula, the wheelchair further comprises a backrest, the backrest comprises an inverted U-shaped framework rod and upper supporting cloth arranged on the framework rod, and two vertical rods of the framework are respectively inserted into the first insertion pipe and the second insertion pipe.

2. The wheelchair of claim 1 wherein a lower support cloth is disposed between the first and second insertion tubes.

3. The wheelchair of claim 1 wherein the lower end of the first insertion tube is hinged to the first frame, the first frame is hinged to a first hydraulic rod, the end of the first hydraulic rod is hinged to the first insertion tube, the lower end of the second insertion tube is hinged to the second frame, the second frame is hinged to a second hydraulic rod, and the end of the second hydraulic rod is hinged to the second insertion tube.

4. The wheelchair of claim 3, wherein a push handle is respectively arranged at the rear end of the first insertion tube and the rear end of the second insertion tube, a control hand brake is fixedly connected to the push handle, and the two control hand brakes are respectively connected with the first hydraulic rod and the second hydraulic rod through connecting pipelines.

5. The wheelchair convenient to fold as claimed in claim 1, wherein a first baffle rod is fixedly connected to the upper side of the first bracket, the first baffle rod is of an inverted U-shaped structure, the lower ends of two vertical sections of the first baffle rod are fixedly connected to the first bracket, a baffle is fixedly connected to the inside of the first baffle rod, a hand rest is fixedly connected to the upper side of the horizontal section of the first baffle rod, a second baffle rod is fixedly connected to the upper side of the second bracket, the second baffle rod is of an inverted U-shaped structure, the lower ends of two vertical sections of the second baffle rod are fixedly connected to the second bracket, a baffle is fixedly connected to the inside of the second baffle rod, and a hand rest is fixedly connected to the upper side of the horizontal section of the second baffle rod.

6. The folding-facilitated wheelchair of claim 1 wherein said first frame has a first leg support pivotally connected at a front end thereof, said first leg support having a first leg support pad fixedly connected thereto, said second frame having a second leg support pivotally connected at a front end thereof, said second leg support having a second leg support pad fixedly connected thereto.