Foldable frame and walking aid equipment

Abstract

The utility model discloses a foldable frame and walking aid equipment. The frame comprises a linkage rod, a bendable connecting rod, a main rod and a wheel connecting rod, wherein the main rod and the wheel connecting rod are oppositely arranged; the linkage rod and the bendable connecting rod are positioned between the two main rods; each main rod is provided with a first connecting part, and each wheel connecting rod is provided with a second connecting part. The first connecting part is used for being in sliding connection with the main rod and rotationally connected with one end of the linkage rod; the second connecting part is used for being rotationally connected with the other end of the linkage rod, the bendable connecting rod and the wheel connecting rod; when the bendable connecting rods are bent, the linkage rods rotate along with the bendable connecting rods, so that the connecting rods and the linkage rods simultaneously drive the two main rods and the wheel connecting rods which are oppositely arranged to get close to each other, and folding of the frame is achieved. The folding chair is small in size after being folded, convenient to store or carry, easy to operate, suitable for old people and other inconvenient people to use, and worthy of vigorous popularization.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of walking aid, specifically relates to a foldable frame and walking aid equipment. BACKGROUND

[0002] Walking aid equipment is an appliance for assisting human body to support weight, keep balance and walk, simply speaking, it is to share the pressure of legs, so that the person with difficulty in walking can also freely travel. The existing intelligent walking aid vehicle specially made for the old people can be used as wheelchair riding and pushing and assisting, and can provide new travel assistance for the old people. The walking aid equipment is usually four-wheel walking aid vehicle, the front wheel and the rear wheel are arranged on two oppositely arranged frames, and the existing walking aid vehicle usually has the functions of automatic or manual opening and folding, but the folded state of these walking aid vehicles is still large in size, which is inconvenient to store or carry. SUMMARY

[0003] Therefore, the utility model aims at providing a foldable frame, which solves the problem of large size, inconvenient storage or carrying of the walking aid equipment in the prior art.

[0004] Another purpose of the utility model is to provide a walking aid equipment using the foldable frame.

[0005] In order to achieve the above purpose, the technical scheme of the utility model is as follows:

[0006] A foldable frame, the frame comprises a linkage rod, a bendable connecting rod and oppositely arranged main rods and wheel connecting rods;

[0007] The linkage rod and the bendable connecting rod are located between the two main rods;

[0008] Each main rod is provided with a first connecting part, and the wheel connecting rod is provided with a second connecting part;

[0009] The first connecting part is used for sliding connection with the main rod and rotary connection with one end of the linkage rod;

[0010] The second connecting part is used for rotary connection with the other end of the linkage rod, the bendable connecting rod and the wheel connecting rod;

[0011] When the bendable connecting rod is bent, the linkage rod rotates with the bendable connecting rod, so that the connecting rod and the linkage rod simultaneously drive the oppositely arranged two main rods and the wheel connecting rod to approach each other, and the folding of the frame is realized.

[0012] Two wheel supporting rods are further arranged between the first connecting part and the front and rear wheels, one end of each of the two wheel supporting rods is connected with the front and rear wheels, and the other end is rotatably connected with the first connecting part.

[0013] The first connecting part is rotatably connected with the second connecting part.

[0014] The first connecting part is rotatably connected with the second connecting part.

[0015] The first connecting part is rotatably connected with the second connecting part.

[0016] The first connecting part is rotatably connected with the second connecting part.

[0017] The first connecting part is rotatably connected with the second connecting part.

[0018] The first connecting part is rotatably connected with the second connecting part.

[0019] The first connecting part is rotatably connected with the second connecting part.

[0020] The first connecting part is rotatably connected with the second connecting part.

[0021] The first connecting part is rotatably connected with the second connecting part.

[0022] Compared with the prior art, the utility model discloses a linkage rod and the bendable connecting rod are arranged between two main rods, and utilize the first connecting portion to slide on the main rod, and the second connecting portion connects the bendable connecting rod, the linkage rod and the wheel connecting rod, so that when the bendable connecting rod is bent in the shape of eight characters, the first connecting portion drives the linkage rod to approach each other, and makes two main rods approach each other to realize folding, the utility model discloses small volume after folding, and is convenient to store or carry, and simultaneously the utility model discloses simple operation, is suitable for the old people and other inconvenient person uses, is worth energetically promoting. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is a three-dimensional structure schematic view of a foldable frame provided for the utility model embodiment 1.

[0024] Figure 2 It is another angle three-dimensional structure schematic view of a foldable frame provided for the utility model embodiment 1.

[0025] Figure 3 It is a three-dimensional structure schematic view of the first connecting portion in a foldable frame provided for the utility model embodiment 1.

[0026] Figure 4 It is a three-dimensional structure schematic view of the second connecting portion in a foldable frame provided for the utility model embodiment 1.

[0027] Figure 5 It is a folding process schematic view of a foldable frame provided for the utility model embodiment 1.

[0028] Figure 6 It is another angle folding process schematic view of a foldable frame provided for the utility model embodiment 1.

[0029] In the drawing, 110. main rod, 111. first connecting portion, 112. main rod movable mouth, 113. main rod connecting mouth, 120. wheel connecting rod, 121. second connecting portion, 122. rotation mouth, 130. linkage rod, 131. folding rod, 140. bendable connecting rod, 141. first connecting rod, 142. second connecting rod, 143. connecting seat, 150. wheel support rod. DETAILED DESCRIPTION

[0030] In order to make the purpose, technical scheme and advantage of the utility model more clearly, the following is in combination with specific embodiment, and the utility model is further detailedly explained.It should be understood that the specific embodiment described here is only used to explain the utility model, and is not used to limit the utility model.

[0031] In the description of the utility model, it is necessary to make clear, the term "vertical", "transverse", "longitudinal", "front", "back", "left", "right", "up", "down", "horizontal" and so on indicate the orientation or positional relationship is based on the orientation or positional relationship shown in the drawing, only for the convenience of describing the utility model, and it does not mean that the device or element must have the specific orientation or position, therefore can not be understood as the limitation of the utility model. In the description of the utility model, it is necessary to make clear, unless another explicit provision and limitation, the term "mounting", "connection", "connect" should be broad sense understanding, for example, can be fixed connection, can be detachable connection, or integrally connected;Can be mechanical connection, can be electrical connection;It can be directly connected, or indirectly connected through the intermediate medium. For ordinary skilled in the art, the specific meaning of the above-mentioned terms in the utility model can be understood according to the specific circumstances.

[0032] Embodiment 1

[0033] The existing walking aid usually has the functions of automatic or manual opening and folding, but the existing walking aid is large in size after folding or difficult to fold, which is not suitable for the use of the elderly or patients.

[0034] In order to solve this problem, the linkage rod and the bendable connecting rod are arranged between the two main rods, the first connecting part slides on the main rod, and the second connecting part connects the bendable connecting rod, the linkage rod and the wheel connecting rod, so that in the process of mutual extrusion of the two main rods, the first connecting part drives the linkage rod to approach each other, and the bendable connecting rod approaches in the shape of an eight character, so that the user can simply fold to obtain a walking aid with small size.

[0035] The utility model discloses a foldable frame, which is characterized by comprising a linkage rod 130, a bendable connecting rod 140, and a main rod 110 and a wheel connecting rod 120 arranged oppositely. Figures 1 to 6 The first connecting part 111 is used for being connected with the main rod 110 in a sliding mode and being connected with one end of the linkage rod 130 in a rotating mode. The second connecting part 121 is used for being connected with the other end of the linkage rod 130, the bendable connecting rod 140 and the wheel connecting rod 120 in a rotating mode. When the bendable connecting rod 140 is bent, the linkage rod 130 rotates with the bendable connecting rod 140, so as to drive the two main rods 110 and the wheel connecting rod 120 arranged oppositely to approach each other, thereby realizing the folding of the frame.

[0036] Referring to Figure 1 and Figure 2Two X-shaped linkage rods 130 are arranged between the two main rods 110, and a first connecting part 111 is sleeved on the main rod 110 and can slide on the main rod 110; when the bendable connecting rod 140 is bent upwards, the two main rods 110 are pushed inward, and then the first connecting part 111 slides upwards on the main rod 110, and the linkage rod 130 changes from X-shaped to I-shaped; because the linkage rod 130 is connected with the second connecting part 121, the linkage rod 130 drives the wheel connecting rod 120 to fold when rotating.

[0037] After the above scheme is adopted, the linkage rod 130 and the bendable connecting rod 140 are arranged between the two main rods 110, the first connecting part 111 slides on the main rod 110, and the second connecting part 121 is connected with the bendable connecting rod 140, the linkage rod 130 and the wheel connecting rod 120, so that in the process of bending the bendable connecting rod 140 in an eight-character shape, the first connecting part 111 drives the linkage rod 130 to approach each other, and the two main rods 110 approach each other to realize folding; the utility model has small volume after folding, and is convenient to store or carry; meanwhile, the utility model is simple to operate, and is suitable for the use of the elderly and other inconvenient persons, and is worth popularizing.

[0038] Referring to Figures 1 to 3 In the specific implementation process of the utility model embodiment 1, further, two wheel supporting rods 150 are further arranged between the first connecting part 111 and the front and rear wheels, one end of the two wheel supporting rods 150 is connected with the front and rear wheels respectively, and the other end is rotatably connected with the first connecting part 111. The first connecting part 111 can slide on the main rod 110, and the wheel supporting rod 150 connects the front and rear wheels with the first connecting part 111, and in the folding process, the first connecting part 111 rotates around the first connecting part 111, and drives the front and rear wheels to fold.

[0039] Referring to Figures 1 to 6 In the specific implementation process of the utility model embodiment 1, further, the bendable connecting rod 140 comprises a first connecting rod 141, a second connecting rod 142 and a connecting seat 143, the connecting seat 143 is located between the first connecting rod 141 and the second connecting rod 142, and the first connecting rod 141 and the second connecting rod 142 are rotatably connected with the connecting seat 143; one end of the first connecting rod 141 and the second connecting rod 142 away from the connecting seat 143 is rotatably connected with the second connecting part 121. One end of the first connecting rod 141 and the second connecting rod 142 is connected with the connecting seat 143 through a rotating shaft, that is, in the folding process, one end of the first connecting rod 141 and the second connecting rod 142 close to the connecting seat 143 can be folded upwards in an eight-character shape, and in the unfolding process, the first connecting rod 141 and the second connecting rod 142 play a role in supporting the overall structure.

[0040] Further, the first connecting rod 141 and the second connecting rod 142 are in the shape of "eight" and close to each other when folding.

[0041] Referring to Figures 1 to 3 , in the specific implementation process of the utility model embodiment 1, further, the first connecting part 111 is provided with a main rod movable mouth 112 and three main rod connecting mouths 113, the main rod movable mouth 112 is sleeved on the main rod 110, and two wheel support rods 150 and linkage rods 130 are rotatably connected with the three main rod connecting mouths 113.The main rod movable mouth 112 ensures that the first connecting part 111 can slide on the main rod 110, and the main rod connecting mouth 113 is connected with two wheel support rods 150 and linkage rods 130 through the rotating shaft, so that the first connecting part 111 can rotate during sliding.Two linkage rods 130 are close to each other when folding, and the bottom end of the main rod 110 is driven to close to each other, so that the two linkage rods 130 are close to each other, and the first connecting part 111 slides upward on the main rod 110.

[0042] Referring to Figure 1 , Figure 2 and Figure 4 , in the specific implementation process of the utility model embodiment 1, further, the second connecting part 121 is provided with four rotating mouths 122, two wheel connecting rods 120, linkage rods 130 and bendable connecting rods 140 are connected with the four rotating mouths 122 respectively.Four rotating mouths 122 on the second connecting part 121 are connected with two wheel connecting rods 120, linkage rods 130 and bendable connecting rods 140 respectively, so that two wheel connecting rods 120, linkage rods 130 and bendable connecting rods 140 are driven to rotate through the rotating shaft during folding.

[0043] Referring to Figure 1 and Figure 2 , in the specific implementation process of the utility model embodiment 1, further, the linkage rod 130 includes two folding rods 131 connected with each other, one end of the two folding rods 131 close to the main rod 110 is rotatably connected with the first connecting part 111 and the two main rods 110 respectively, and the other end is connected with the second connecting part 121.Two folding rods 131 rotate around the intersection point during folding, changing from X type to I type.

[0044] More specifically, the two folding rods 131 in the embodiment 1 of the utility model can also be in the shape of "W", "V", "Y", "XX" or any shape with at least one intersection.

[0045] Referring to Figures 1 to 6 In the embodiment 1 of the utility model, a handle is further arranged on the main rod 110 for hand holding.

[0046] The working principle of the foldable frame provided in the embodiment 1 of the utility model is as follows:

[0047] Referring to Figures 1 to 5 When folding, the user lifts the connecting seat 143 with hands or feet, at this time, the first connecting rod 141 and the second connecting rod 142 are folded upwards in the shape of "8", the bottom end of the main rod 110 is driven to move close to each other, the folding rod 131 changes from X shape to I shape, the first connecting part 111 slides upwards on the main rod 110, the wheel support rod 150 is driven to move upwards, the front and rear wheels are also lifted upwards, the wheel connecting rod 120 is rotated through the second connecting part 121, and finally folding is realized.

[0048] Referring to Figures 1 to 5 When unfolding, the user presses the connecting seat 143 with hands or feet, at this time, the first connecting rod 141 and the second connecting rod 142 are unfolded downwards in the shape of "8", the bottom end of the main rod 110 is driven to move away from each other, the folding rod 131 changes from I shape to X shape, the first connecting part 111 slides downwards on the main rod 110, the wheel support rod 150 is driven to move downwards, the front and rear wheels are also moved downwards, the wheel connecting rod 120 is rotated through the second connecting part 121, and finally unfolding is realized.

[0049] Embodiment 2

[0050] The walking aid device provided in the embodiment 2 of the utility model comprises the foldable frame described in the embodiment 1.

[0051] By using the foldable frame described in the embodiment 1 on the existing walking aid device, the problem that the existing walking aid device is large in size after folding and is inconvenient to store or carry can be solved.

[0052] In conclusion, the utility model discloses a folding rod 131, first connecting rod 141 and second connecting rod 142 are arranged between two main rods 110, and first connecting portion 111 is slid on the main rod 110, and second connecting portion 121 is connected first connecting rod 141, second connecting rod 142, linkage rod 130 and wheel connecting rod 120, so that the bendable connecting rod 140 is in the process of eight character shape bending, first connecting portion 111 drives linkage rod 130 to approach each other, and two main rods 110 approach each other, and then drive wheel connecting rod 120, wheel support rod 150 to fold, the utility model discloses fold and the volume is small, and convenient storage or carrying, and the utility model discloses simple operation, is suitable for the use of the old people and other inconvenient person, is worth energetically promoting.

[0053] The above is only the preferred specific embodiment of the utility model, but the protection scope of the utility model is not limited to this, and any person skilled in the art can easily think of the change or replacement within the technical range disclosed by the utility model, which should be covered in the protection scope of the utility model. Therefore, the protection scope of the utility model should be limited to the protection scope of the claims.

Claims

1. A foldable frame, characterized in that, The frame comprises a linkage rod (130), a foldable connecting rod (140), and oppositely arranged main rods (110) and wheel connecting rods (120); The linkage rod (130) and the foldable connecting rod (140) are located between the two main rods (110); Each of the main rods (110) is provided with a first connecting part (111), and the wheel connecting rod (120) is provided with a second connecting part (121); The first connecting part (111) is used for sliding connection with the main rod (110) and rotary connection with one end of the linkage rod (130); The second connecting part (121) is used for rotary connection with the other end of the linkage rod (130), the foldable connecting rod (140), and the wheel connecting rod (120); When the foldable connecting rod (140) is folded, the linkage rod (130) rotates with the foldable connecting rod (140), so that the connecting rod (140) and the linkage rod (130) simultaneously drive the oppositely arranged two main rods (110) and the wheel connecting rod (120) to approach each other, realizing folding of the frame.

2. The foldable frame of claim 1, wherein, Two wheel supporting rods (150) are further arranged between the first connecting part (111) and the front and rear wheels, one end of each of the two wheel supporting rods (150) is connected with the front and rear wheels, and the other end is rotatably connected with the first connecting part (111).

3. The foldable frame of claim 1, wherein, The foldable connecting rod (140) comprises a first connecting rod (141), a second connecting rod (142), and a connecting seat (143), the connecting seat (143) is located between the first connecting rod (141) and the second connecting rod (142), and the first connecting rod (141) and the second connecting rod (142) are rotatably connected with the connecting seat (143); one end of the first connecting rod (141) and the second connecting rod (142) away from the connecting seat (143) is rotatably connected with the second connecting part (121).

4. The foldable frame of claim 3, wherein, When folded, the first connecting rod (141) and the second connecting rod (142) are "8" shaped and approach each other.

5. The foldable frame of claim 2, wherein, One end of each of the two wheel connecting rods (120) is connected with the front and rear wheels, and the other end is rotatably connected with the second connecting part (121).

6. The foldable frame of claim 2, wherein, The first connecting part (111) is provided with a main rod movable opening (112) and three main rod connecting openings (113), the main rod movable opening (112) is sleeved on the main rod (110), and the two wheel supporting rods (150) and the linkage rod (130) are rotatably connected with the three main rod connecting openings (113).

7. The foldable frame of claim 5, wherein, The second connecting part (121) is provided with four rotating openings (122), and the two wheel connecting rods (120), the linkage rod (130), and the foldable connecting rod (140) are connected with the four rotating openings (122), respectively.

8. The foldable frame of claim 7, wherein, The linkage rod (130) comprises two cross-connected folding rods (131), and two ends of each of the folding rods (131) are movably connected with the first connecting part (111) and the second connecting part (121) respectively.

9. A foldable frame as claimed in any one of claims 2 to 8, wherein, The main rod (110) is further provided with a handle for hand holding.

10. A walking aid, characterized in that The walking aid device comprises the foldable frame according to any one of claims 1 to 9.

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