CN112603676A - Wheelchair folding mechanism and folding wheelchair - Google Patents
Wheelchair folding mechanism and folding wheelchair Download PDFInfo
- Publication number
- CN112603676A CN112603676A CN202011530430.6A CN202011530430A CN112603676A CN 112603676 A CN112603676 A CN 112603676A CN 202011530430 A CN202011530430 A CN 202011530430A CN 112603676 A CN112603676 A CN 112603676A
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- wheelchair
- support
- folding mechanism
- frame
- rod
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- 230000007246 mechanism Effects 0.000 title claims abstract description 49
- 230000000149 penetrating effect Effects 0.000 claims description 6
- 230000008859 change Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
- A61G5/08—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs foldable
- A61G5/0808—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs foldable characterised by a particular folding direction
- A61G5/0816—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs foldable characterised by a particular folding direction folding side to side, e.g. reducing or expanding the overall width of the wheelchair
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
- A61G5/08—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs foldable
- A61G5/0883—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs foldable having locking means for maintaining a folded or unfolded condition
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
- A61G5/10—Parts, details or accessories
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Handcart (AREA)
Abstract
本发明公开了一种轮椅折叠机构，包括：支承架组件，支承架组件包括第一支承架和第二支承架；支承杆组件，支承杆组件包括第一支承杆和第二支承杆；锁扣；第一支承架与第二支承架之间通过螺杆及套设于螺杆轴上的衬套连接一体，第一支承架还通过螺杆与第二支承杆连接，第二支承架还通过螺杆与第一支承杆连接；第一支承杆靠近第二支承杆的一端穿设有螺杆，第二支承杆靠近第一支承杆的一端具有锁钩I，第二支承杆通过其自身上的锁钩I与第一支承杆上的螺杆卡扣连接；锁扣的一端连接在第一支承杆上的螺杆，锁扣另一端具有锁钩II，所述锁扣通过其自身上的锁钩II与套设于螺杆A轴上的衬套卡扣连接。本发明还公开了折叠轮椅。The invention discloses a wheelchair folding mechanism, comprising: a support frame assembly, the support frame assembly includes a first support frame and a second support frame; a support rod assembly, the support rod assembly includes a first support rod and a second support rod; a lock The first support frame and the second support frame are connected integrally by the screw rod and the bushing sleeved on the screw shaft, the first support frame is also connected with the second support rod through the screw rod, and the second support frame is also connected with the second support rod through the screw rod. A support rod is connected; the end of the first support rod close to the second support rod is provided with a screw rod, the end of the second support rod close to the first support rod has a lock hook I, and the second support rod is connected to the lock hook I through its own lock hook I The screw on the first support rod is connected by a buckle; one end of the lock is connected to the screw on the first support rod, and the other end of the lock has a lock hook II, and the lock is connected with the lock hook II on its own and sleeved on the first support rod. The bushing snap connection on the A-axis of the screw. The invention also discloses a folding wheelchair.
Description
Technical Field
The invention relates to the technical field of wheelchairs, in particular to a wheelchair folding mechanism and a folding wheelchair adopting the wheelchair folding mechanism.
Background
The folding mechanism of the existing wheelchair is generally realized by adopting a cross bracket, and the folding mechanism is characterized in that the folding mechanism can be only transversely folded or only longitudinally folded. The limitations of the conventional folding methods are that the wheelchair adopting the transverse folding mode has no change in the longitudinal dimension after being folded, and the wheelchair adopting the longitudinal folding mode has no change in the transverse dimension after being folded. That is, the wheelchair cannot be folded to reduce both the lateral and longitudinal dimensions, and the portability of the wheelchair cannot be improved.
In view of the above, a technical problem to be solved by those skilled in the art is urgently needed.
Disclosure of Invention
In order to overcome the above-mentioned drawbacks, the present invention provides a wheelchair folding mechanism that allows the size of the wheelchair to be reduced simultaneously after the wheelchair is folded. The invention also aims to provide a folding wheelchair adopting the wheelchair folding mechanism, so that the whole occupied area of the wheelchair can be simultaneously reduced, and the portability of the wheelchair is better improved.
In order to achieve the purpose, the invention adopts the technical scheme that:
a wheelchair folding mechanism comprising:
a support frame assembly including a first support frame and a second support frame;
a support bar assembly including a first support bar and a second support bar;
locking;
the first support frame and the second support frame are connected into a whole through a screw and a bushing sleeved on a screw shaft, the first support frame is also connected with a second support rod through the screw, and the second support frame is also connected with the first support rod through the screw;
a screw rod is arranged at one end, close to the second supporting rod, of the first supporting rod in a penetrating mode, a locking hook I is arranged at one end, close to the first supporting rod, of the second supporting rod, and the second supporting rod is connected with the screw rod on the first supporting rod in a buckling mode through the locking hook I on the second supporting rod;
one end of the lock catch is connected with the screw rod on the first supporting rod, the other end of the lock catch is provided with a lock hook II, and the lock catch is in buckling connection with a bushing sleeved on the screw rod shaft through the lock hook II on the lock catch.
The wheelchair folding mechanism further comprises a support rod assembly which comprises a first support rod and a second support rod which are symmetrical.
The wheelchair folding mechanism further comprises one or two lock catches.
The far ends of the first support frame and the second support frame on the support frame component are provided with round pipes for connecting with a wheelchair frame.
Wherein, the distal ends of the first support rod and the second support rod on the support rod assembly are provided with through holes for connecting with a wheelchair frame.
The lock hook I on the second supporting rod is a circular arc lock hook.
The lock hook II on the lock catch is an arc lock hook.
A folding wheelchair comprises the wheelchair folding mechanism, and the wheelchair folding mechanism is connected between a left wheelchair frame and a right wheelchair frame.
The folding wheelchair further comprises a latch pulling belt, and the latch pulling belt is connected with a latch on the wheelchair folding mechanism. Wherein, the pull ring part of the lock catch drawstring is arranged on the cushion in a penetrating way; the left wheelchair frame and the right wheelchair frame are unlocked in a folded state or opened in an expanded state by pulling the pull ring part on the lock catch pull belt.
The folding wheelchair also comprises a pedal frame connected with the wheelchair frame, a pedal plate and a foot protection belt connected with the pedal frame, a front wheel assembly, a rear wheel assembly, an armrest frame, a back folder and a detachable handle.
According to the wheelchair folding mechanism, when the wheelchair needs to be folded, the lock hook II on the lock hook is forced to be separated from the buckle connection of the bush sleeved on the shaft of the screw rod A by pulling the lock hook, and then the lock hook I on the second support rod is forced to be separated from the buckle connection with the screw rod on the first support rod by rotating the first support rod or the second support rod.
The invention has the following advantages:
the wheelchair folding mechanism is provided with a support frame assembly, a support rod assembly and a lock catch; the first support frame is connected with the second support frame into a whole through a screw rod, the first support frame is also connected with the second support rod through the screw rod, and the second support frame is also connected with the first support rod through the screw rod; a screw rod is arranged at one end, close to the second supporting rod, of the first supporting rod in a penetrating mode, a locking hook I is arranged at one end, close to the first supporting rod, of the second supporting rod, and the second supporting rod is connected with the screw rod on the first supporting rod in a buckling mode through the locking hook I on the second supporting rod; the screw rod on first support rod is connected to the one end of hasp, and the hasp other end has latch hook II, and the hasp is located the epaxial bush buckle of screw rod through latch hook II on its self and cover and is connected.
Through the design, the whole wheelchair folding mechanism is simple in structure, all the components are connected more stably, the self-locking function is achieved, and the whole wheelchair can be folded, so that the whole occupied area of the wheelchair can be reduced simultaneously, and the portability of the wheelchair is improved better.
To more clearly illustrate the structural features and effects of the present invention, the following detailed description is given with reference to the accompanying drawings and specific embodiments.
Drawings
FIG. 1 is a perspective view of a folding mechanism of the wheelchair of the present embodiment;
FIG. 2 is a structural diagram of the folding mechanism of the wheelchair of the present embodiment in a locked state;
FIG. 3 is a structural view of the wheelchair folding mechanism in an unlocked state in accordance with the present embodiment;
FIG. 4 is a structural view of the folding mechanism of the wheelchair of this embodiment in a folded state;
FIG. 5 is a perspective view of the foldable wheelchair of this embodiment;
fig. 6 is a structural view showing a folded state of the folding wheelchair according to the embodiment.
Reference numerals:
1. the wheelchair comprises a first support frame 2, a lock catch 3, a second support frame 4, a first support rod 5, a second support rod 6, a pedal plate 7, a pedal frame 8, a front wheel assembly 9, a wheelchair frame 10, a rear wheel assembly 11, an armrest frame 12, a back folder 13, a detachable handle 14, a foot protection belt 15, a wheelchair folding mechanism 16, a seat cushion 17, a lock catch pull belt A, a screw rod B, a screw rod C, a screw rod D, a lock hook I E and a lock hook II.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 4, the present embodiment provides a wheelchair folding mechanism including:
a support frame assembly including a first support frame 1 and a second support frame 3;
a support bar assembly including a first support bar 4 and a second support bar 5;
a lock catch 2;
the first support frame 1 and the second support frame 3 are connected into a whole through a screw A and a bushing sleeved on the shaft of the screw A, the first support frame 1 is also connected with a second support rod 5 through a screw B, and the second support frame 3 is also connected with a first support rod 4 through a screw B;
a screw rod C is arranged at one end of the first supporting rod 4 close to the second supporting rod 5 in a penetrating mode, a locking hook I D is arranged at one end of the second supporting rod 5 close to the first supporting rod 4, and the second supporting rod 5 is in snap connection with the screw rod C on the first supporting rod 4 through a locking hook I D on the second supporting rod 5;
one end of the lock catch 2 is connected with a screw C on the first supporting rod 4, the other end of the lock catch 2 is provided with a lock hook II E, and the lock catch 2 is in snap connection with a bushing sleeved on the shaft of the screw A through the lock hook II E on the lock catch 2.
In the wheelchair folding mechanism of the present embodiment, the support rod assembly includes two symmetrical first support rods 4 and second support rods 5.
The wheelchair folding mechanism of the embodiment comprises one or two lock catches 2. The wheelchair folding mechanism of the embodiment only uses one latch 2.
The wheelchair folding mechanism comprises a first support frame 1 and a second support frame 3 on a support frame component, wherein the far ends of the first support frame and the second support frame are provided with round pipes for connecting with a wheelchair frame.
The wheelchair folding mechanism of the embodiment, the first support rod 4 and the second support rod 5) on the support rod assembly are provided with through holes at the far ends for connecting with the wheelchair frame.
In the wheelchair folding mechanism, the locking hook I22 on the second support rod 5 is a circular arc-shaped locking hook.
In the wheelchair folding mechanism of the embodiment, the latch hook II E on the latch 2 is a circular arc latch.
This embodiment wheelchair folding mechanism, when needs are folding, through pulling the hasp, force latch hook II E on the hasp to break away from the cover and locate the epaxial bush buckle connection of screw rod A, rethread rotates first supporting rod 4 or second supporting rod 5, force latch hook I D on the second supporting rod 5 to break away from with the screw rod C buckle connection on the first supporting rod 4, through above-mentioned step, use wheelchair folding mechanism to change fold condition by the open condition, and the same reason, through returning above-mentioned step, can be with wheelchair folding mechanism by fold condition transition open condition.
Referring to fig. 5 to 6, the present embodiment further provides a foldable wheelchair, which includes a wheelchair frame 9, a pedal frame 7 connected to the wheelchair frame 9, a pedal plate 6 and a foot protection belt 14 connected to the pedal frame 7, a front wheel assembly 8, a rear wheel assembly 10, a handrail frame 11, a folder 12, a handle 13, and a wheelchair folding mechanism 15.
The wheelchair folding mechanism 9 is connected between the left and right wheelchair frames 9.
In the folding wheelchair of the embodiment, in order to further, rapidly and conveniently fold the folding mechanism 15 of the folding wheelchair, a locking drawstring 17 is further designed, and one end of the locking drawstring 17 is connected with the lock catch 2 on the folding mechanism 15 of the wheelchair. Wherein, the lock catch drawstring 17 also comprises a drawstring part which is arranged on the cushion 16 in a penetrating way; the left wheelchair frame 9 and the right wheelchair frame 9 are unlocked and folded by pulling the pull ring part on the lock catch pull belt 17.
The foregoing is merely a preferred embodiment of the invention and is not intended to limit the invention in any manner. Those skilled in the art can make numerous possible variations and modifications to the present invention, or modify equivalent embodiments, using the methods and techniques disclosed above, without departing from the scope of the present invention. Therefore, all equivalent changes made according to the shape, structure and principle of the present invention without departing from the technical scheme of the present invention shall be covered by the protection scope of the present invention.
Claims (10)
1. A wheelchair folding mechanism comprising:
a support frame assembly comprising a first support frame (1) and a second support frame (3);
a support bar assembly comprising a first support bar (4) and a second support bar (5);
a lock catch (2);
the first support frame (1) and the second support frame (3) are connected into a whole through a screw (A) and a bushing sleeved on the shaft of the screw (A), the first support frame (1) is further connected with a second support rod (5) through a screw (B), and the second support frame (3) is further connected with a first support rod (4) through the screw (B);
a screw rod (C) is arranged at one end, close to the second supporting rod (5), of the first supporting rod (4) in a penetrating mode, a locking hook I (D) is arranged at one end, close to the first supporting rod (4), of the second supporting rod (5), and the second supporting rod (5) is connected with the screw rod (C) on the first supporting rod (4) in a buckling mode through the locking hook I (D) on the second supporting rod;
one end of the lock catch (2) is connected with a screw rod (C) on the first supporting rod (4), the other end of the lock catch (2) is provided with a lock hook II (E), and the lock catch (2) is in snap-fit connection with a bushing sleeved on the shaft of the screw rod (A) through the lock hook II (E) on the lock catch (2).
2. Wheelchair folding mechanism according to claim 1, characterized in that the support bar assembly comprises two symmetrical first (4) and second (5) support bars.
3. Wheelchair folding mechanism according to claim 1, characterized in that it comprises one or two shackles (2).
4. The wheelchair folding mechanism of claim 1, characterised in that the first support frame (1) and the second support frame (3) of the support frame assembly are provided with a circular tube at their distal ends for connection to the wheelchair frame.
5. Wheelchair folding mechanism according to claim 1, characterized in that the first (4) and second (5) support bars of the support bar assembly are provided with perforations at their distal ends for connection to the wheelchair frame.
6. Wheelchair folding mechanism according to claim 1, characterized in that the locking hook i (d) on the second support bar (5) is in the form of a circular arc locking hook.
7. The wheelchair folding mechanism of claim 1, characterized in that the latch hook ii (e) on the latch (2) is a circular arc latch hook.
8. A folding wheelchair, characterized in that it comprises a wheelchair folding mechanism (15) according to any one of claims 1 to 7, the wheelchair folding mechanism (9) being connected between the left and right wheelchair frames (9).
9. The folding wheelchair as claimed in claim 8, further comprising a latch strap (17), wherein the latch strap (17) is connected to the latch (2) of the wheelchair folding mechanism (15), and the latch strap (17) comprises a strap portion which is arranged on the seat cushion (16); the left wheelchair frame and the right wheelchair frame (9) are unlocked and folded by pulling the pull ring part on the lock catch pull belt (17).
10. The folding wheelchair as claimed in claim 9, further comprising a foot rest (7) connected to the wheelchair frame (9), a foot board (6) and a foot guard (14) connected to the foot rest (7), a front wheel assembly (8), a rear wheel assembly (10), a hand rest frame (11), a back folder (12), and a handle bar (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011530430.6A CN112603676A (en) | 2020-12-22 | 2020-12-22 | Wheelchair folding mechanism and folding wheelchair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011530430.6A CN112603676A (en) | 2020-12-22 | 2020-12-22 | Wheelchair folding mechanism and folding wheelchair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112603676A true CN112603676A (en) | 2021-04-06 |
Family
ID=75244125
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011530430.6A Pending CN112603676A (en) | 2020-12-22 | 2020-12-22 | Wheelchair folding mechanism and folding wheelchair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112603676A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116785084A (en) * | 2023-06-27 | 2023-09-22 | 佛山市丰和医疗科技有限公司 | An integrated linkage-adjustable wheelchair |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2614530Y (en) * | 2003-01-29 | 2004-05-12 | 厦门革新塑胶制品有限公司 | Folding desk |
| CN101180025A (en) * | 2005-05-18 | 2008-05-14 | 利要比株式会社 | Wheelchair with lifting seat, brake device of wheelchair with lifting seat, and operation stop device of actuator for lifting seat |
| US20100194077A1 (en) * | 2008-03-20 | 2010-08-05 | Mary Jo Wagner | Cross-Frame Wheelchair with Foldable Seat and Back |
| CN201692257U (en) * | 2010-06-13 | 2011-01-05 | 陈钜祥 | Walk assist vehicle |
| CN103271540A (en) * | 2013-05-30 | 2013-09-04 | 常州侨裕旅游用品有限公司 | Folding table |
| CN104274285A (en) * | 2014-09-27 | 2015-01-14 | 吴玲玲 | Wheel chair |
| CN105011556A (en) * | 2015-05-25 | 2015-11-04 | 北京尼德博瑞工贸有限公司 | Folding table |
| CN206910020U (en) * | 2017-02-20 | 2018-01-23 | 中山市富邦家具有限公司 | A kind of foldable meeting table |
| CN215081059U (en) * | 2020-12-22 | 2021-12-10 | 佛山市丰和医疗科技有限公司 | Wheelchair folding mechanism and folding wheelchair |
-
2020
- 2020-12-22 CN CN202011530430.6A patent/CN112603676A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2614530Y (en) * | 2003-01-29 | 2004-05-12 | 厦门革新塑胶制品有限公司 | Folding desk |
| CN101180025A (en) * | 2005-05-18 | 2008-05-14 | 利要比株式会社 | Wheelchair with lifting seat, brake device of wheelchair with lifting seat, and operation stop device of actuator for lifting seat |
| US20100194077A1 (en) * | 2008-03-20 | 2010-08-05 | Mary Jo Wagner | Cross-Frame Wheelchair with Foldable Seat and Back |
| CN201692257U (en) * | 2010-06-13 | 2011-01-05 | 陈钜祥 | Walk assist vehicle |
| CN103271540A (en) * | 2013-05-30 | 2013-09-04 | 常州侨裕旅游用品有限公司 | Folding table |
| CN104274285A (en) * | 2014-09-27 | 2015-01-14 | 吴玲玲 | Wheel chair |
| CN105011556A (en) * | 2015-05-25 | 2015-11-04 | 北京尼德博瑞工贸有限公司 | Folding table |
| CN206910020U (en) * | 2017-02-20 | 2018-01-23 | 中山市富邦家具有限公司 | A kind of foldable meeting table |
| CN215081059U (en) * | 2020-12-22 | 2021-12-10 | 佛山市丰和医疗科技有限公司 | Wheelchair folding mechanism and folding wheelchair |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116785084A (en) * | 2023-06-27 | 2023-09-22 | 佛山市丰和医疗科技有限公司 | An integrated linkage-adjustable wheelchair |
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