Folding wheelchair
By incorporating a backrest frame, support frame, and folding components into the wheelchair, and utilizing elastic elements to drive the locking mechanism for engagement and disengagement, the design solves the problem of inconvenient operation of existing folding wheelchairs, achieving a simple folding function and improving the user experience.
Patent Information
- Application Number
- CN202423057894.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-11
- Publication Date
- 2025-12-26
- Estimated Expiration
- 2034-12-11
AI Technical Summary
Existing folding wheelchairs are inconvenient to operate, cumbersome to fold, and inconvenient to use.
The design includes a backrest frame, a support frame, and a folding assembly. The locking element is driven by an elastic element and engages with the locking post. It remains fixed during normal use. When folding is required, the locking element is pried off the locking post, which separates the rotating crossbar from the backrest crossbar. The linkage mechanism enables the wheelchair to be folded easily.
It enables easy folding of the wheelchair, making it simple to operate, more convenient to use, and improving the user experience.
Smart Images
Figure CN223715924U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a wheelchair technical field, concretely relates to a folding wheelchair. BACKGROUND
[0002] The wheelchair is an important tool for assisting patients in treatment and recovery, and it is not only a walking aid for the wounded, but more importantly, they can exercise their bodies and participate in social activities with the help of the wheelchair. The ordinary wheelchair is generally composed of a wheelchair frame, wheels and a backrest, and has basic seating and moving functions.
[0003] The volume of the wheelchair is generally large, and the folding method is usually used to reduce the volume for convenient storage and transportation. The existing foldable wheelchair is generally folded through a folding mechanism, which can reduce the volume to a certain extent, but the existing folding mechanism is relatively troublesome to operate and not very convenient to use. UTILITY MODEL CONTENT
[0004] The utility model aims at providing a folding wheelchair, which aims to solve the problem of inconvenient folding of the existing folding wheelchair.
[0005] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme:
[0006] A folding wheelchair is provided, comprising:
[0007] A backrest frame comprising a backrest crossbar;
[0008] A support frame comprising a rotating crossbar;
[0009] A folding assembly comprising a first connecting piece, a second connecting piece, a locking column, a locking piece and an elastic piece, the first connecting piece being connected to the backrest crossbar, the second connecting piece being connected to the rotating crossbar, the locking column being connected to the first connecting piece, the locking piece being connected to the second connecting piece through the elastic piece, and the elastic piece being used to drive the locking piece to be clamped to the locking column.
[0010] Optionally, the folding assembly further comprises a locking shaft, the elastic piece is a torsion spring, the locking piece is provided with a locking groove, the locking piece is rotatably connected to the second connecting piece through the locking shaft, the elastic piece is sleeved on the locking shaft, one end of the elastic piece is connected to the second connecting piece, and the other end of the elastic piece is connected to the locking piece.
[0011] Optionally, the support frame further comprises a support seat connected to the rotating crossbar, and the support seat is provided with a support groove matched with the backrest crossbar.
[0012] Optionally, the folding wheelchair further comprises a rear wheel, the support frame further comprises a first support rod, and the rear wheel is mounted on the first support rod.
[0013] Optionally, the folding wheelchair further comprises a front wheel, the support frame further comprises a second support rod, and the front wheel is mounted on the second support rod.
[0014] Optionally, the backrest frame further comprises a backrest vertical rod connected to the backrest cross rod, the folding wheelchair further comprises a seat frame, the support frame further comprises a support connecting piece, one end of the support connecting piece is rotatably connected to the second support rod, and the other end of the support connecting piece is fixedly connected to one end of the seat frame.
[0015] Optionally, the support frame further comprises a front cross rod connected to the second support rod and a rear cross rod connected to the first support rod.
[0016] Optionally, the backrest frame further comprises a backrest connecting piece connected to the backrest cross rod, the support frame further comprises a bending connecting piece and a rotating connecting piece, one end of the rotating connecting piece is rotatably connected to the backrest connecting piece, and the other end of the rotating connecting piece is fixedly connected to the rotating cross rod, one end of the bending connecting piece is rotatably connected to the backrest connecting piece, and the other end of the bending connecting piece is rotatably connected to the front cross rod.
[0017] Optionally, the folding wheelchair further comprises a foot pedal rod connected to the front cross rod.
[0018] Optionally, the folding wheelchair further comprises a shock absorption assembly, and the second support rod is connected with the front wheel through the shock absorption assembly.
[0019] Compared with the prior art, the folding wheelchair has the following beneficial effects:
[0020] In the folding wheelchair, when in normal use, the elastic member drives the locking member to be clamped on the locking column, the rotating cross rod and the backrest cross rod cannot move relative to each other, and the whole is in a fixed state, i.e., the whole wheelchair is in a state that cannot be folded, so as to provide support for the user, when folding is needed, the locking member is moved to drive the locking member to move away from the locking column, at this time, the rotating cross rod can be separated from the backrest cross rod, through the linkage relationship formed by the rotating connection therebetween, the support frame part can be folded, and the whole wheelchair can realize the folding function, so that the folding of the whole wheelchair can be completed through the simple folding assembly, the operation is simpler, and the use is more convenient. BRIEF DESCRIPTION OF DRAWINGS
[0021] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the accompanying drawings needed to be used in the embodiments or prior art description will be briefly introduced. Obviously, the accompanying drawings in the following description only represent some embodiments of the present application, and for those skilled in the art, other drawings can be obtained without creative labor based on these drawings.
[0022] Figure 1 It is a structure schematic view of the folding wheelchair of the present application.
[0023] Figure 2 It is a right view of the folding wheelchair of the present application.
[0024] Figure 3 It is another angle structure schematic view of the folding wheelchair of the present application.
[0025] Figure 4 It is Figure 3 It is an enlarged schematic view of A in the figure.
[0026] Figure 5 It is a structure schematic view of the folding wheelchair of the present application.
[0027] Figure 6 It is a structure schematic view of the folding wheelchair of the present application.
[0028] In the figure: 1, backrest frame; 11, backrest horizontal rod; 12, backrest vertical rod; 13, backrest connecting piece; 2, support frame; 21, rotating horizontal rod; 22, support seat; 23, first support rod; 24, second support rod; 25, support connecting piece; 26, front horizontal rod; 27, rear horizontal rod; 28, bending connecting piece; 29, rotating connecting piece; 3, folding assembly; 31, first connecting piece; 32, second connecting piece; 33, locking column; 34, locking piece; 341, pushing part; 35, elastic piece; 36, locking rotating shaft; 4, rear wheel; 5, front wheel; 6, seat frame; 7, foot pedal rod; 8, shock absorbing assembly. DETAILED DESCRIPTION
[0029] The technical solutions in the embodiments of the present application will be described clearly and completely. Obviously, the described embodiments only represent some embodiments of the present application, but not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the present application.
[0030] In the description of the utility model, it is understood that the directions or position relations indicated by the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like are the directions or position relations shown based on the drawings, and are only for the convenience of describing the utility model and simplifying the description, and thus cannot be understood as limiting the utility model in that the indicated devices or elements must have a specific direction, be constructed in a specific direction and be operated, and thus cannot be understood as limiting the utility model.
[0031] In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features.
[0032] The utility model discloses a folding wheelchair. Figures 1 to 6 The utility model discloses a folding wheelchair.
[0033] As shown in Figures 1 to 6 The utility model provides a folding wheelchair, including backrest frame 1, support frame 2 and folding assembly 3, backrest frame 1 includes backrest cross bar 11, support frame 2 includes rotating cross bar 21, and folding assembly 3 includes first connecting piece 31, second connecting piece 32, locking column 33, locking piece 34 and elastic element 35, first connecting piece 31 is connected in backrest cross bar 11, second connecting piece 32 is connected in rotating cross bar 21, locking column 33 is connected in first connecting piece 31, locking piece 34 is connected with second connecting piece 32 through elastic element 35, and elastic element 35 is used to drive locking piece 34 and is connected in locking column 33.
[0034] For the convenience of explanation, in the embodiment, each direction is as shown in Figure 1 .
[0035] In the folding wheelchair provided in the embodiment, when normally used, elastic element 35 drives locking piece 34 and is connected in locking column 33, rotating cross bar 21 and backrest cross bar 11 cannot move relatively, and the whole is in a fixed state, that is, the whole wheelchair is in a state that cannot be folded, can provide the support effect for the user, when folding, locking piece 34 is broken, drives locking piece 34 and leaves locking column 33, then rotating cross bar 21 can be separated from backrest cross bar 11, and through the linkage relation formed by the rotating connection between each other, support frame 2 part can complete rotating folding, and the whole wheelchair can realize folding function, and through simple folding assembly 3, the folding of the whole wheelchair can be completed, and it is more simple to operate and more convenient to use.
[0036] In some embodiments, the folding assembly 3 further comprises a locking shaft 36, the elastic member 35 is a torsion spring, the locking member 34 is provided with a locking groove, the locking member 34 is rotatably connected to the second connecting plate 32 through the locking shaft 36, the elastic member 35 is sleeved on the locking shaft 36, one end of the elastic member 35 is connected to the second connecting plate 32, and the other end of the elastic member 35 is connected to the locking member 34. In normal use, the elastic member 35 drives the locking groove of the locking member 34 to be clamped on the locking column 33, and the rotating cross rod 21 and the backrest cross rod 11 cannot move relative to each other. When folding is needed, the locking member 34 is pried to drive the locking member 34 away from the locking column 33, and at this time the rotating cross rod 21 can be separated from the backrest cross rod 11, which is more simple to operate and more convenient to use.
[0037] In some embodiments, the upper side of the locking member 34 is provided with a protruding actuating portion 341, and the user can actuate the actuating portion 341 to drive the locking member 34 away from the locking column 33, which is more simple to operate and more convenient to use.
[0038] In some embodiments, the support frame 2 further comprises a support seat 22, and the support seat 22 is connected to the rotating cross rod 21. The support seat 22 is provided with a support groove matched with the backrest cross rod 11. Specifically, the support seat 22 is fixedly connected to the rotating cross rod 21, for example, by welding. In normal use, the support groove of the support seat 22 can support the backrest cross rod 11, serving as a support and improving the support capacity. When folding, the support seat 22 will move away from the backrest cross rod 11 along with the rotating cross rod 21, without affecting the subsequent folding, and the functionality is better.
[0039] In some embodiments, the folding wheelchair further comprises a rear wheel 4, and the support frame 2 further comprises a first support rod 23. The rear wheel 4 is mounted on the first support rod 23, and the rotating cross rod 21 is rotatably connected to the first support rod 23. The first support rod 23 serves as a support and connects the rear wheel 4, and the support effect is good.
[0040] In some embodiments, the folding wheelchair further comprises a front wheel 5, and the support frame 2 further comprises a second support rod 24. The second support rod 24 is rotatably connected to the first support rod 23, and the front wheel 5 is mounted on the second support rod 24. The second support rod 24 serves as a support and connects the front wheel 5, and the support effect is good.
[0041] In some embodiments, the backrest frame 1 further comprises a backrest longitudinal rod 12 connected to the backrest cross rod 11, and the folding wheelchair further comprises a seat frame 6, and the support frame 2 further comprises a support connecting plate 25, one end of the support connecting plate 25 is rotatably connected to the second support rod 24, and the other end of the support connecting plate 25 is fixedly connected to one end of the seat frame 6, and the other end of the seat frame 6 is rotatably connected to the backrest longitudinal rod 12, and specifically, the first support rod 23, the second support rod 24, the seat frame 6 and the backrest longitudinal rod 12 can rotate relative to each other, and when folding, they are rotated relative to each other, and the folding can be completed through linkage, and the operation is simpler and the use is more convenient.
[0042] In some embodiments, the support frame 2 further comprises a front cross rod 26 and a rear cross rod 27, the front cross rod 26 is connected to the second support rod 24, and the rear cross rod 27 is connected to the first support rod 23, and it can be understood that the whole wheelchair is a symmetrical structure, the front cross rod 26 and the rear cross rod 27 are used for connecting the second support rod 24 and the first support rod 23 on both sides, and can play a supporting role, and the supporting effect is better.
[0043] In some embodiments, the backrest frame 1 further comprises a backrest connecting plate 13, the support frame 2 further comprises a bending connecting plate 28 and a rotating connecting plate 29, the backrest connecting plate 13 is connected to the backrest cross rod 11, one end of the rotating connecting plate 29 is rotatably connected to the backrest connecting plate 13, the other end of the rotating connecting plate 29 is fixedly connected to the rotating cross rod 21, one end of the bending connecting plate 28 is rotatably connected to the backrest connecting plate 13, and the other end of the bending connecting plate 28 is rotatably connected to the front cross rod 26, the folding convenience can be improved by arranging the bending connecting plate 28, the linkage of the whole wheelchair is improved, the operation is simpler, and the bending connecting plate 28 can avoid the related cross rods in the folding process, the overall structure is more reasonable, and the folding effect is better.
[0044] In some embodiments, the folding wheelchair further comprises a foot pedal rod 7, the foot pedal rod 7 is connected to the front cross rod 26, and the foot pedal rod 7 is used for mounting a foot pedal, and the supporting effect is better.
[0045] In some embodiments, the folding wheelchair further comprises a shock absorption assembly 8, the second support rod 24 is connected to the front wheel 5 through the shock absorption assembly 8, the shock absorption effect is good, and the ride is more comfortable.
[0046] The above only describes the embodiments of the utility model, and does not limit the patent range of the utility model, and any equivalent structure or equivalent process conversion according to the content of the utility model specification, or direct or indirect application in other related technical fields, are all included in the patent protection range of the utility model.
Claims
1. A folding wheelchair, characterized in that, The folding wheelchair comprises a backrest frame (1), a support frame (2), a folding assembly (3), a rear wheel (4), and a front wheel (5). The backrest frame (1) comprises a backrest crossbar (11). The support frame (2) comprises a rotating crossbar (21). The folding assembly (3) comprises a first connecting plate (31), a second connecting plate (32), a locking column (33), a locking piece (34), and an elastic piece (35).
2. The foldable wheelchair of claim 1, wherein, The first connecting plate (31) is connected to the backrest crossbar (11).
3. The foldable wheelchair of claim 1, wherein, The second connecting plate (32) is connected to the rotating crossbar (21).
4. The foldable wheelchair of claim 3, wherein, The locking column (33) is connected to the first connecting plate (31).
5. The foldable wheelchair of claim 4, wherein, The locking piece (34) is connected to the second connecting plate (32) through the elastic piece (35).
6. The foldable wheelchair of claim 5, wherein, The elastic piece (35) is used to drive the locking piece (34) to be clamped to the locking column (33).
7. The foldable wheelchair of claim 6, wherein, The folding assembly (3) further comprises a locking rotating shaft (36). The elastic piece (35) is a torsion spring. The locking piece (34) is provided with a locking groove. The locking piece (34) is rotatably connected to the second connecting plate (32) through the locking rotating shaft (36). The elastic piece (35) is sleeved on the locking rotating shaft (36). One end of the elastic piece (35) is connected to the second connecting plate (32). The other end of the elastic piece (35) is connected to the locking piece (34). The support frame (2) further comprises a support base (22). The support base (22) is connected to the rotating crossbar (21). The support base (22) is provided with a support groove matched with the backrest crossbar (11). The support frame (2) further comprises a first support rod (23). The rear wheel (4) is mounted on the first support rod (23). The rotating crossbar (21) is rotatably connected to the first support rod (23). The support frame (2) further comprises a second support rod (24). The front wheel (5) is mounted on the second support rod (24). The second support rod (24) is rotatably connected to the first support rod (23). The backrest frame (1) further comprises a backrest vertical bar (12). The backrest vertical bar (12) is connected to the backrest crossbar (11). The folding wheelchair further comprises a seat frame (6). The support frame (2) further comprises a support connecting plate (25). One end of the support connecting plate (25) is rotatably connected to the second support rod (24). The other end of the support connecting plate (25) is fixedly connected to one end of the seat frame (6). The other end of the seat frame (6) is rotatably connected to the backrest vertical bar (12). The support frame (2) further comprises a front crossbar (26) and a rear crossbar (27). The front crossbar (26) is connected to the second support rod (24). The rear crossbar (27) is connected to the first support rod (23).
8. The foldable wheelchair of claim 7, wherein, The backrest frame (1) further comprises a backrest connecting piece (13), the support frame (2) further comprises a bending connecting piece (28) and a rotating connecting piece (29), the backrest connecting piece (13) is connected to the backrest cross rod (11), one end of the rotating connecting piece (29) is rotatably connected to the backrest connecting piece (13), the other end of the rotating connecting piece (29) is fixedly connected to the rotating cross rod (21), one end of the bending connecting piece (28) is rotatably connected to the backrest connecting piece (13), and the other end of the bending connecting piece (28) is rotatably connected to the front cross rod (26).
9. The foldable wheelchair of claim 8, wherein, The folding wheelchair further comprises a foot pedal rod (7), and the foot pedal rod (7) is connected to the front cross rod (26).
10. The foldable wheelchair of claim 9, wherein, The folding wheelchair further comprises a shock absorption assembly (8), and the second support rod (24) is connected with the front wheel (5) through the shock absorption assembly (8).