Pedal structure

Abstract

The utility model discloses a pedal structure which comprises a wheel carrier and a pedal element, the pedal element is connected with a quick-release module, the wheel carrier is provided with a clamping module, and the quick-release module comprises an attaching limiting piece fixedly connected with the pedal element, extending connecting pieces arranged on the left side and the right side of the attaching limiting piece and limiting clamping hooks connected with the extending connecting pieces. The two clamping modules are arranged on the left side and the right side of the wheel frame correspondingly. The clamping module comprises a limiting column and a limiting block which are arranged on the wheel carrier, and the limiting column and the limiting block are arranged at an interval up and down; the attaching limiting piece is attached to the front surface of the wheel carrier. The extending connecting piece is inserted between the limiting column and the limiting block from front to back, and the limiting clamping hook is hooked to the rear side of the limiting column and attached to the limiting column. Compared with the prior art, the pedal structure has the advantages that the use flexibility and convenience of the pedal element are remarkably improved through the innovative matching of the quick release module and the clamping module.

Description

Technical Field

[0001] This utility model relates to the field of rehabilitation equipment technology, and in particular to a foot pedal structure. Background Technology

[0002] In the field of modern medical rehabilitation, wheelchairs, walking aids, and other medical devices have become important assistive equipment for patients with mobility impairments to carry out daily activities and rehabilitation training. As a key component of these devices, the foot pedal is primarily used to support the user's feet, providing a comfortable footrest position to reduce leg fatigue and improve comfort and safety during use.

[0003] However, existing rehabilitation equipment foot pedals generally suffer from technical problems that hinder disassembly. When users do not need to use the foot pedals, such as during short walks or climbing stairs, the difficulty in quickly disassembling the foot pedals becomes an obstacle, affecting mobility. During equipment transportation or storage, the inconveniently disassembled foot pedals occupy a significant amount of space, increasing transportation difficulty and costs, causing inconvenience during storage, and potentially damaging the equipment during handling due to protruding foot pedals. Furthermore, during equipment maintenance and cleaning, non-removable or difficult-to-disassemble foot pedals make thorough cleaning difficult, potentially leading to hygiene hazards with long-term use. Therefore, the existing rehabilitation equipment foot pedal structure has significant shortcomings in terms of ease of disassembly and urgently needs further improvement and innovation to meet diverse user needs and enhance the overall performance and user experience of rehabilitation equipment. Utility Model Content

[0004] The present invention aims to solve at least one of the technical problems existing in the prior art. To this end, the present invention proposes a foot pedal structure that is easy to assemble and disassemble.

[0005] A pedal structure designed for this purpose includes a wheel frame and pedal elements. The pedal elements are connected to a quick-release module, and the wheel frame is provided with a snap-fit ​​module. The quick-release module includes a fitting limiting member fixedly connected to the pedal element, an extension connecting member provided on the left and right sides of the fitting limiting member, and a limiting hook connected to the extension connecting member. Two sets of snap-fit ​​modules are provided and are respectively provided on the left and right sides of the wheel frame. The snap-fit ​​module includes a limiting post and a limiting block provided on the wheel frame, with the limiting post and the limiting block spaced vertically. The fitting limiting member fits against the front surface of the wheel frame. The extension connecting member is inserted from front to back between the limiting post and the limiting block, and the limiting hook is hooked to the rear side of the limiting post and fits against the limiting post.

[0006] Preferably, the wheel frame is provided with a constraint module for maintaining the connection between the quick-release module and the snap-fit ​​module.

[0007] Preferably, the wheel frame is provided with a movable groove, and the extension connector is provided with a locking groove that communicates with the movable groove; the constraint module includes a locking rod provided in the movable groove; the wheel frame is provided with an elastic element for applying force to the locking rod to keep the locking rod inserted in the movable groove and the locking groove.

[0008] Preferably, the wheel frame is provided with a mounting hole whose upper end is connected to the movable groove and whose lower end passes through the wheel frame. A limit bolt is provided in the mounting hole. The upper end of the limit bolt is connected to the locking rod and the lower end extends downward to the outside of the mounting hole. A limit nut is fixedly connected to the lower end of the limit bolt.

[0009] Preferably, the mounting hole is a countersunk hole, and the elastic element is a spring and is disposed inside the mounting hole.

[0010] Compared with existing technologies, this invention significantly improves the flexibility and convenience of using the pedal components through the innovative combination of quick-release and snap-fit ​​modules. The quick-release module features a tightly fitting limiting component that conforms closely to the front surface of the wheel frame. Combined with the extension connector inserted between the limiting post and the limiting block, and the design of the limiting hook engaging with the rear side of the limiting post, a stable connection structure is formed, ensuring that the pedal components are not easily loosened during use and guaranteeing user safety. When disassembly is required, the user simply needs to detach the limiting hook from the limiting post and then pull out the extension connector and the limiting hook to quickly separate the pedal components from the wheel frame. Compared to traditional pedal disassembly methods, this significantly shortens disassembly time and effectively solves the problem of difficult disassembly of existing pedals. Attached Figure Description

[0011] Figure 1 This is one of the three-dimensional structural schematic diagrams of this utility model;

[0012] Figure 2 This is the second three-dimensional structural schematic diagram of the present invention;

[0013] Figure 3 for Figure 2 Enlarged structural diagram at point A in the middle;

[0014] Figure 4 This is one of the cross-sectional structural schematic diagrams of this utility model;

[0015] Figure 5 for Figure 4 Enlarged structural diagram at point B;

[0016] Figure 6 This is the second cross-sectional structural schematic diagram of this utility model. Detailed Implementation

[0017] The embodiments of the technical solution of this application will now be described in detail with reference to the accompanying drawings. These embodiments are only used to more clearly illustrate the technical solution of this application and are therefore merely examples, and should not be used to limit the scope of protection of this application.

[0018] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application pertains; the terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the application; the terms “comprising” and “having”, and any variations thereof, in the specification, claims, and foregoing description of the drawings are intended to cover non-exclusive inclusion.

[0019] In the description of the embodiments of this application, technical terms such as "first" and "second" are used only to distinguish different objects and should not be construed as indicating or implying relative importance or implicitly indicating the number, specific order, or primary and secondary relationship of the indicated technical features.

[0020] In this document, the term "implementation" means that a specific feature, structure, or characteristic described in connection with an implementation may be included in at least one implementation of this application. The appearance of this phrase in various places in the specification does not necessarily refer to the same implementation, nor is it a separate or alternative implementation mutually exclusive with other implementations. It will be explicitly and implicitly understood by those skilled in the art that the implementations described herein can be combined with other implementations.

[0021] In the description of the embodiments in this application, the term "and / or" is merely a description of the relationship between related objects, indicating that three relationships can exist. For example, A and / or B can represent: A existing alone, A and B existing simultaneously, and B existing alone. Additionally, the character " / " in this document generally indicates that the preceding and following related objects have an "or" relationship.

[0022] In the description of the embodiments of this application, the term "multiple" refers to two or more (including two), similarly, "multiple groups" refers to two or more (including two groups), and "multiple pieces" refers to two or more (including two pieces).

[0023] In the description of the embodiments of this application, the technical terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing the embodiments of this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the embodiments of this application.

[0024] In the description of the embodiments of this application, unless otherwise explicitly specified and limited, the technical terms such as "installation," "connection," "joining," and "fixing" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. For those skilled in the art, the specific meaning of the above terms in the embodiments of this application can be understood according to the specific circumstances.

[0025] See Figures 1-6 A pedal structure includes a wheel frame 10 and a pedal element 20. The pedal element 20 is connected to a quick-release module 30. The wheel frame 10 is provided with a snap-fit ​​module 40. The quick-release module 30 includes a fitting limiting member 300 fixedly connected to the pedal element 20, extension connecting members 310 disposed on the left and right sides of the fitting limiting member 300, and limiting hooks 320 connected to the extension connecting members 310. The snap-fit ​​module 40 is provided with two sets and is respectively disposed on the wheel frame 10. The left and right sides of the wheel frame 10; the snap-fit ​​module 40 includes a limiting post 410 and a limiting block 420 disposed on the wheel frame 10, the limiting post 410 and the limiting block 420 being spaced apart vertically; the fitting limiting member 300 is fitted to the front surface of the wheel frame 10; the extension connecting member 310 is inserted from front to back between the limiting post 410 and the limiting block 420, and the limiting hook 320 hooks onto the rear side of the limiting post 410 and fits against the limiting post 410.

[0026] The foot pedal element 20 is fixed by the following principle: the fitting limiting member 300 fits against the front surface of the wheel frame 10; the extension connector 310 is inserted from front to back between the limiting post 410 and the limiting block 420, and the limiting hook 320 hooks onto the rear side of the limiting post 410 and fits against it. When the user steps on the foot pedal element 20, the force applied by the foot to the foot pedal element 20 causes the limiting hook 320 to press against the rear wall of the limiting post 410, and the lower surface of the extension connector 310 to press against the upper surface of the limiting block 420.

[0027] See Figure 1 and Figure 2 The wheel frame 10 is provided with a constraint module 50 for keeping the quick-release module 30 and the snap-fit ​​module 40 connected. The function of the constraint module 50 is to keep the quick-release module 30 and the snap-fit ​​module 40 connected and prevent them from separating at will, which would cause the pedal component 20 to be disassembled.

[0028] See Figure 3 and Figure 5 The wheel frame 10 is provided with a movable groove 520, and the extension connector 310 is provided with a locking groove 510 that communicates with the movable groove 520; the constraint module 50 includes a locking rod 530 disposed in the movable groove 520; the wheel frame 10 is provided with an elastic element 560 for applying force to the locking rod 530 to keep the locking rod 530 inserted into the movable groove 520 and the locking groove 510.

[0029] Under the action of the elastic element 560, the locking lever 530 is held in the first position, so that the locking lever 530 remains inserted into the movable groove 520 and the locking groove 510. In this state, the extension connector 310 cannot move forward relative to the wheel frame 10, that is, it cannot be unlocked or disassembled. When it is necessary to disassemble the pedal element 20, the locking lever 530 needs to be manually pressed to move it from the first position to the second position, that is, from being inserted into the movable groove 520 and the locking groove 510 to being inserted into the movable groove 520, so that the locking lever 530 separates from the locking groove 510, thus completing the unlocking. After unlocking, the pedal element 20 can be lifted upwards to separate the limiting hook 320 from the limiting post 410, and then the pedal element 20 can be driven forward to disengage the limiting hook 320 along with the extension connector 310.

[0030] See Figure 5 The wheel frame 10 is provided with a mounting hole 100, the upper end of which communicates with the movable groove 520 and the lower end of which passes through the wheel frame 10. A limit bolt 540 is provided in the mounting hole 100. The upper end of the limit bolt 540 is connected to the locking rod 530 and the lower end extends downward to the outside of the mounting hole 100. A limit nut 550 is fixedly connected to the lower end of the limit bolt 540. The limit bolt 540 serves as a guide and also as a limit.

[0031] See Figure 5 The mounting hole 100 is a countersunk hole, and the elastic element 560 is a spring disposed within the mounting hole 100. One end of the elastic element 560 abuts against the locking rod 530, and the other end abuts against the wall of the mounting hole 100.

[0032] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claims. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A pedal structure comprising a wheel frame (10) and pedal elements (20), characterized in that, The foot pedal element (20) is connected to a quick-release module (30), and the wheel frame (10) is provided with a snap-fit ​​module (40). The quick-release module (30) includes a fitting limiting member (300) fixedly connected to the foot pedal element (20), an extension connecting member (310) disposed on the left and right sides of the fitting limiting member (300), and a limiting hook (320) connected to the extension connecting member (310). The snap-fit ​​module (40) is provided in two sets and is respectively provided on the left and right sides of the wheel frame (10); the snap-fit ​​module (40) includes a limiting post (410) and a limiting block (420) provided on the wheel frame (10), and the limiting post (410) and the limiting block (420) are provided at intervals above and below; The fitting limiting member (300) is fitted to the front surface of the wheel frame (10); The extension connector (310) is inserted from front to back between the limiting post (410) and the limiting block (420), and the limiting hook (320) hooks onto the rear side of the limiting post (410) and fits against the limiting post (410).

2. The foot pedal structure according to claim 1, characterized in that: The wheel frame (10) is provided with a constraint module (50) for keeping the quick-release module (30) connected to the snap-fit ​​module (40).

3. The foot pedal structure according to claim 2, characterized in that: The wheel frame (10) is provided with a movable groove (520), and the extension connector (310) is provided with a locking groove (510) that communicates with the movable groove (520); The constraint module (50) includes a locking rod (530) disposed in the movable slot (520); The wheel frame (10) is provided with an elastic element (560) for applying force to the locking rod (530) to keep the locking rod (530) inserted into the movable groove (520) and the locking groove (510).

4. A foot pedal structure according to claim 3, characterized in that: The wheel frame (10) is provided with a mounting hole (100) whose upper end is connected to the movable groove (520) and whose lower end passes through the wheel frame (10). A limit bolt (540) is provided in the mounting hole (100). The upper end of the limit bolt (540) is connected to the locking rod (530) and the lower end extends downward to the outside of the mounting hole (100). A limit nut (550) is fixedly connected to the lower end of the limit bolt (540).

5. A foot pedal structure according to claim 4, characterized in that: The mounting hole (100) is a countersunk hole, and the elastic element (560) is a spring and is disposed in the mounting hole (100).

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