Walking aid with self-locking structure

Abstract

The utility model discloses a walking aid with a self-locking structure, which comprises two symmetrically distributed support tubes, one end of each support tube is provided with a rear wheel, the other end of each support tube is provided with an L-shaped tube, the bottom of the vertical section of each L-shaped tube is provided with a front wheel, the upper surface of each support tube is provided with a support plate, and the support plate is provided with a self-locking structure. Lifting rods capable of moving up and down are arranged in inner cavities of the top ends of the supporting plates, connecting plates are arranged on the opposite sides of the top ends of the two supporting plates, and a net belt is arranged between the two connecting plates. According to the utility model, when the folding chair needs to be unfolded for use, only the supporting plates on the two sides need to be pulled open, and then the connecting plates are pressed downwards, so that the clamping blocks are hooked by the bayonets of the locking blocks, and the two connecting rods are in an unfolded state, so that the phenomenon that the connecting rods are folded can be effectively prevented, the structural stability is improved, and the folding chair has a self-locking effect.

Description

Technical Field

[0001] The utility model belongs to the technical field of walking aids, and particularly relates to a walking aid with a self-locking structure. Background Art

[0002] A walking aid, also called a lower limb orthosis, is a walking support tool for the elderly with inconvenient mobility, some trauma patients, hemiplegic patients and disabled people to walk by themselves or for limb physical exercise. People can walk slowly with ease by holding it.

[0003] At present, most of the existing walking aids have a fixed structure. When not in use, they are large in size, not convenient for carrying, transporting and storing, and have poor practicability. In addition, although there are foldable walking aids now, due to their lack of a self-locking structure, they are prone to folding up privately, resulting in unstable structure and poor reliability. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a walking aid with a self-locking structure to solve the technical problems raised in the background art.

[0005] To achieve the above purpose, the specific technical solution of the utility model is as follows: A walking aid with a self-locking structure includes two symmetrically distributed support tubes. A rear wheel is arranged at one end of the support tube, and an L-shaped tube is arranged at the other end of the support tube. A front wheel is arranged at the bottom of the vertical section of the L-shaped tube. A support plate is arranged on the upper surface of the support tube. A lift rod that can move up and down is arranged in the inner cavity at the top of the support plate. Connecting plates are arranged on the opposite sides at the top of the two support plates. A mesh belt is arranged between the two connecting plates. One side at the bottom of the two connecting plates is rotatably connected to a connecting rod through a rotating shaft. The two connecting rods are cross-distributed, and the bottoms of the two connecting rods are rotatably connected to the side wall of the support tube through a rotating shaft, and the middle parts of the two connecting rods are rotatably connected through a rotating shaft. A locking structure for restricting the folding of the connecting rod is arranged between the connecting rod and the support plate.

[0006] Preferably, the locking structure includes a connection component and a locking block. The two ends of the connection component are respectively rotatably connected to the connecting rod and the support plate through a rotating shaft. The locking block is rotatably connected to the connecting rod through a rotating shaft. A fixed block is arranged on one side at the bottom of the locking block. A connection block corresponding to the fixed block is arranged on the side wall of the connecting rod. A spring is arranged between the connection block and the fixed block.

[0007] Preferably, the connection component includes two relatively distributed long strip plates. A rotating shaft penetrates between the two ends of the two long strip plates, and a fixed seat is rotatably connected to the rotating shaft at one end of the two long strip plates. The fixed seat is fixedly connected to the support plate. A clamping block is arranged between the two long strip plates. A bayonet corresponding to the clamping block is arranged on the side wall of the locking block.

[0008] Preferably, a drawstring runs through the surface of the mesh belt, and two ends of the drawstring are respectively fixedly connected to the bottom side walls of the two locking blocks.

[0009] Preferably, the thickness of the locking block matches the distance between the two long strips.

[0010] Preferably, the lifting rod is an L-shaped structure, and a handle and a handbrake are provided at the end of the horizontal section of the lifting rod.

[0011] Preferably, the lifting rod is slidably connected to the top inner cavity of the support plate, and the side wall of the support plate is provided with a plurality of through holes evenly spaced vertically, and the vertical section side wall of the lifting rod is provided with elastic buttons corresponding to the through holes.

[0012] The walking aid with a self-locking structure of the utility model has the following advantages:

[0013] The utility model can fold the walker through the arrangement of the connecting rod and the mesh belt, so that the two support plates are merged together, which can greatly reduce the volume of the walker, making it easy to carry, transport and store, and greatly improving the convenience. When it needs to be unfolded and used, it is only necessary to pull the support plates on both sides apart, and then press the connecting plate downward, at which time the bayonet of the locking block will hook the card block, so that the two connecting rods are in an open state, which can effectively prevent the connecting rods from being retracted, thereby improving the stability of the structure and having a self-locking effect. When it needs to be retracted, it is only necessary to pull the drawstring, and at this time the drawstring pulls the two locking blocks, so that the locking blocks are separated from the card block, and the walker can be folded. The operation is simple and quick, and the practicability is strong. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the technical solution of the implementation mode of the utility model, the drawings required for use in the implementation mode will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 for Figure 1 Front view of

[0017] Figure 3 for Figure 2 A magnified view of middle;

[0018] Figure 4 It is a structural schematic diagram of the connecting component in the utility model.

[0019] Description of the markings in the figure: 1. Support tube; 2. Rear wheel; 3. L-shaped tube; 4. Front wheel; 5. Support plate; 6. Lifting rod; 7. Handle; 8. Handbrake; 9. Connecting plate; 10. Mesh belt; 11. Connecting rod; 12. Locking structure; 13. Connecting component; 14. Pulling belt; 15. Locking block; 16. Bayonet; 17. Fixed block; 18. Spring; 19. Connecting block; 20. Long strip plate; 21. Block; 22. Fixed seat. Detailed implementation

[0020] In the following text, only some exemplary embodiments are simply described. As those skilled in the art can recognize, the described embodiments can be modified in various different ways without departing from the spirit or scope of the embodiments of the present invention. Therefore, the drawings and the description are considered to be exemplary in nature rather than restrictive.

[0021] In the description of the embodiments of the present invention, it should be understood that the orientation or positional relationship indicated by terms such as "length", "vertical", "horizontal", "top", "bottom", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the embodiments of the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation to the embodiments of the present invention.

[0022] In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the embodiments of the present invention, the meaning of "a plurality" is two or more unless otherwise specifically defined.

[0023] In the embodiments of the present invention, unless otherwise clearly specified and limited, the terms "installation", "connection", "connection", "fixation", etc. should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or integrated; it can be a mechanical connection, an electrical connection, or a communication connection; it can be directly connected, or indirectly connected through an intermediate medium, and it can be the internal communication of two elements or the interaction relationship between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the embodiments of the present invention can be understood according to specific circumstances.

[0024] The following disclosure provides many different embodiments or examples for implementing the different structures of the embodiments of the present utility model. To simplify the disclosure of the embodiments of the present utility model, the components and settings of specific examples are described below. Of course, they are only examples and are not intended to limit the embodiments of the present utility model. In addition, the embodiments of the present utility model may repeat reference numerals and / or reference letters in different examples. This repetition is for the purpose of simplification and clarity and does not itself indicate the relationship between the various embodiments and / or settings discussed.

[0025] To better understand the purpose, structure and function of the present utility model, the following further describes in detail a walking aid with a self-locking structure according to the present utility model with reference to the accompanying drawings.

[0026] As Figures 1-4 shown, a walking aid with a self-locking structure according to the present utility model includes two symmetrically distributed support tubes 1. A rear wheel 2 is provided at one end of the support tube 1, and an L-shaped tube 3 is provided at the other end of the support tube 1. A front wheel 4 is provided at the bottom of the vertical section of the L-shaped tube 3. A support plate 5 is provided on the upper surface of the support tube 1. A vertically movable lifting rod 6 is provided in the top inner cavity of the support plate 5. The lifting rod 6 is of an L-shaped structure, and a grip 7 and a handbrake 8 are provided at the end of the horizontal section of the lifting rod 6. Through the cooperation between the grip 7 and the handbrake 8, it is convenient for patients to use the walking aid. The lifting rod 6 is slidably connected to the top inner cavity of the support plate 5 up and down, and a plurality of through holes are equidistantly distributed up and down on the side wall of the support plate 5. Elastic buttons corresponding to the through holes are provided on the side wall of the vertical section of the lifting rod 6. The connection structure between the lifting rod 6 and the support plate 5 is a commonly used technical means in the prior art and will not be elaborated in detail here. By setting the lifting rod 6 to be slidably connected to the support plate 5 up and down, it is convenient to flexibly adjust the height of the grip 7 according to the height of the patient.

[0027] A connecting plate 9 is provided on the opposite side of the top of the two support plates 5, a mesh belt 10 is provided between the two connecting plates 9, and a connecting rod 11 is rotatably connected to the bottom side of the two connecting plates 9 through a rotating shaft. The two connecting rods 11 are cross-distributed, and the bottoms of the two connecting rods 11 are rotatably connected to the side wall of the support tube 1 through a rotating shaft, and the middle parts of the two connecting rods 11 are rotatably connected through a rotating shaft. A locking structure 12 is provided between the connecting rod 11 and the support plate 5 to limit the folding of the connecting rod 11. The locking structure 12 includes a connecting component 13 and a locking block 15. The connecting component 13 The two ends are rotatably connected to the connecting rod 11 and the support plate 5 through a rotating shaft, the locking block 15 is rotatably connected to the connecting rod 11 through a rotating shaft, a fixing block 17 is arranged on one side of the bottom of the locking block 15, a connecting block 19 corresponding to the fixed block 17 is arranged on the side wall of the connecting rod 11, a spring 18 is arranged between the connecting block 19 and the fixed block 17, the connecting assembly 13 includes two relatively distributed long strips 20, a rotating shaft is passed through the two ends of the two long strips 20, and the rotating shaft at one end of the two long strips 20 is rotatably connected to a fixing seat 22, and the fixing seat 22 is connected to the support plate 5. The mesh belt 10 is fixedly connected, a card block 21 is arranged between the two long strips 20, and the side wall of the locking block 15 is provided with a card slot 16 corresponding to the card block 21. A drawstring 14 runs through the surface of the mesh belt 10, and the two ends of the drawstring 14 are respectively fixedly connected to the bottom side walls of the two locking blocks 15. The thickness of the locking block 15 is consistent with the spacing between the two long strips 20. Through the arrangement of the connecting rod 11 and the mesh belt 10, the walker can be folded so that the two support plates 5 are combined together, which can greatly reduce the volume of the walker, making it convenient to carry, transport and store. The convenience is greatly improved. When it is needed to be unfolded and used, it is only necessary to pull apart the support plates 5 on both sides, and then press downward the connecting plate 9. At this time, the bayonet of the locking block 15 will hook the card block 21, so that the two connecting rods 11 are in an open state, which can effectively prevent the connecting rods 11 from being retracted, thereby improving the stability of the structure and having a self-locking effect. When it is needed to be retracted, it is only necessary to pull the drawstring 14. At this time, the drawstring 14 pulls the two locking blocks 15, so that the locking blocks 15 are separated from the card block 21, and the walker can be folded. The operation is simple and quick, and the practicability is strong.

[0028] It is understood that the present invention is described by some embodiments, and those skilled in the art are aware that various changes or equivalent substitutions may be made to these features and embodiments without departing from the spirit and scope of the present invention. In addition, under the teachings of the present invention, these features and embodiments may be modified to adapt to specific circumstances and materials without departing from the spirit and scope of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of this application are within the scope of protection of the present invention.

Claims

1. A walking aid with a self-locking structure, characterized in that: The invention comprises two symmetrically distributed support tubes (1), one end of the support tube (1) is provided with a rear wheel (2), the other end of the support tube (1) is provided with an L-shaped tube (3), the bottom of the vertical section of the L-shaped tube (3) is provided with a front wheel (4), the upper surface of the support tube (1) is provided with a support plate (5), the inner cavity at the top end of the support plate (5) is provided with a lifting rod (6) that can move up and down, the top ends of the two support plates (5) are provided with a connecting plate (9) on the opposite side, a mesh belt (10) is provided between the two connecting plates (9), the bottom sides of the two connecting plates (9) are rotatably connected to a connecting rod (11) via a rotating shaft, the two connecting rods (11) are cross-distributed, the bottoms of the two connecting rods (11) are rotatably connected to the side wall of the support tube (1) via a rotating shaft, and the middle parts of the two connecting rods (11) are rotatably connected via a rotating shaft, and a locking structure (12) for limiting the folding of the connecting rod (11) is provided between the connecting rod (11) and the support plate (5).

2. A walking aid with a self-locking structure according to claim 1, characterized in that: The locking structure (12) comprises a connecting assembly (13) and a locking block (15); two ends of the connecting assembly (13) are rotatably connected to the connecting rod (11) and the support plate (5) respectively via a rotating shaft; the locking block (15) is rotatably connected to the connecting rod (11) via the rotating shaft; a fixing block (17) is provided on one side of the bottom of the locking block (15); a connecting block (19) corresponding to the fixing block (17) is provided on the side wall of the connecting rod (11); and a spring (18) is provided between the connecting block (19) and the fixing block (17).

3. A walking aid with a self-locking structure according to claim 2, characterized in that: The connecting assembly (13) comprises two long strips (20) arranged opposite to each other, a rotating shaft passing through both ends of the two long strips (20), and a fixing seat (22) is rotatably connected to the rotating shaft at one end of the two long strips (20), the fixing seat (22) is fixedly connected to the support plate (5), a clamping block (21) is arranged between the two long strips (20), and a side wall of the locking block (15) is provided with a clamping opening (16) arranged corresponding to the clamping block (21).

4. A walking aid with a self-locking structure according to claim 2, characterized in that: A drawstring (14) passes through the surface of the mesh belt (10), and two ends of the drawstring (14) are respectively fixedly connected to the bottom side walls of two locking blocks (15).

5. The walking aid with a self-locking structure according to claim 2, characterized in that: The thickness of the locking block (15) matches the distance between the two long strips (20).

6. The walking aid with a self-locking structure according to claim 1, characterized in that: The lifting rod (6) is an L-shaped structure, and a handle (7) and a hand brake (8) are provided at the end of the horizontal section of the lifting rod (6).

7. The walking aid with a self-locking structure according to claim 1, characterized in that: The lifting rod (6) is slidably connected to the inner cavity of the top end of the support plate (5) in an upward and downward manner, and the side wall of the support plate (5) is provided with a plurality of through holes distributed at equal intervals in the upper and lower directions, and the vertical section side wall of the lifting rod (6) is provided with elastic buttons distributed corresponding to the through holes.

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