Power-assisted wrist rehabilitation training device

Abstract

The utility model provides a power-assisted wrist rehabilitation trainer, which is used for solving the technical problem that buffering cannot be provided by using a mechanical structure for driving in the prior art, and comprises a grip, a box body and an air pump, an air bag is arranged in the box body, the air bag is connected with the air pump, one end of the air bag is provided with a connecting plate, the connecting plate is movably connected with a first connecting rod, and the other end of the air bag is provided with a second connecting rod. The first connecting rod is movably connected with the second connecting rod, the second connecting rod is in an L shape, a fixing shaft is arranged in the box body, the second connecting rod is movably connected with the fixing shaft, one end of the second connecting rod is located outside the box body, and the grip is located on the second connecting rod. The utility model has the advantages that the grip is driven to move through the expansion and contraction of the air bag, compared with the mechanical structure driving, the air bag can provide buffering, and the discomfort of a patient in the rehabilitation process is reduced; the air bag is detachably connected with the air pump and is convenient to carry after being detached.

Description

Technical Field

[0001] The utility model relates to the field of medical rehabilitation equipment, in particular to a power-assisted wrist rehabilitation trainer. Background Art

[0002] Existing wrist rehabilitation equipment uses mechanical transmission, such as the upper limb training device and its wrist joint training mechanism (application number 201920979421.1), which provides a wrist joint training mechanism, including a base plate and a bracket for supporting the arm, the bracket is arranged on the base plate, the base plate is provided with a core shaft and a handle for fixing the hand, the core shaft and the handle are connected with a rotating arm for driving the handle to rotate, and the rotating arm is connected with a driving motor for driving the rotating arm to rotate in the horizontal direction with the core shaft as the axis. This driving method has no buffering and is easy to cause discomfort to patients during rehabilitation. Utility Model Content

[0003] The utility model provides a wrist rehabilitation training device to solve the above technical problems, including:

[0004] The assisted wrist rehabilitation trainer comprises a handle, a box and an air pump, wherein an airbag is arranged inside the box, the airbag is connected to the air pump, a connecting plate is arranged at one end of the airbag, the connecting plate is movably connected to a first connecting rod, the first connecting rod is movably connected to a second connecting rod, the second connecting rod is L-shaped, a fixed shaft is arranged inside the box, the second connecting rod is movably connected to the fixed shaft, one end of the second connecting rod is located outside the box, and the handle is located on the second connecting rod.

[0005] Furthermore, a fixing frame is provided on the outside of the airbag, the fixing frame is provided with a straight groove, the connecting plate is provided with a positioning wheel, and the positioning wheel is located in the straight groove.

[0006] Furthermore, a cotton pad is provided on the top of the box.

[0007] Furthermore, the maximum rotation angle of the handle is greater than 90 degrees.

[0008] Furthermore, the first connecting rod and the second connecting rod are provided with weight-reducing holes.

[0009] Furthermore, the fixing frame is provided with a weight-reducing hole.

[0010] Furthermore, the airbag and the air pump are detachably connected.

[0011] Compared with the prior art, the advantages of the utility model are: the movement of the handle is driven by the expansion and contraction of the airbag. Compared with the mechanical structure drive, the airbag can provide cushioning and reduce the discomfort of the patient during the rehabilitation process; the airbag and the air pump are detachably connected and easy to carry after disassembly; weight-reducing holes are provided on the first connecting rod, the second connecting rod and the fixing frame, which reduces the weight of the equipment and is easy to carry. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the utility model.

[0013] Figure 2 This is a schematic diagram of the interior of the box body of Example 1.

[0014] Figure 3 This is a schematic diagram of the interior of the box of Example 2.

[0015] Figure numerals: 1. handle, 2. box body, 3. airbag, 4. connecting plate, 5. first connecting rod, 6. second connecting rod, 7. fixed shaft, 8. fixed frame, 9. straight groove, 10. positioning wheel. DETAILED DESCRIPTION

[0016] In the description of the present utility model, it is necessary to understand that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model 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, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", and the like are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, features defined as "first", "second", and the like may explicitly or implicitly include one or more of the features.

[0017] In the description of the present invention, unless otherwise specified, “plurality” means two or more.

[0018] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.

[0019] Embodiment 1

[0020] The assisted wrist rehabilitation trainer comprises a handle 1, a box 2 and an air pump, an air bag 3 is arranged inside the box 2, the air bag 3 is connected to the air pump through an air pipe, the air bag 3 and the air pump are detachably connected, one end of the air bag 3 is provided with a connecting plate 4, the connecting plate 4 is movably connected to a first connecting rod 5, the first connecting rod 5 is movably connected to a second connecting rod 6, the first connecting rod 5 and the second connecting rod 6 are provided with weight-reducing holes, the weight-reducing holes help to reduce the overall weight, the second connecting rod 6 is L-shaped, a fixed shaft 7 is arranged inside the box 2, the second connecting rod 6 is movably connected to the fixed shaft 7, one end of the second connecting rod 6 is located outside the box 2, and the handle 1 is located on the second connecting rod 6.

[0021] When in use, the patient places his arm on the box 2, holds the handle 1, and starts the air pump. The air pump drives the airbag 3 to expand and contract by pumping and inflating, so that the first connecting rod 5 drives the second connecting rod 6 to rotate around the fixed axis 7 as the center, helping the patient to move his wrist. The rotation frequency of the handle 1 is controlled by adjusting the pumping and deflation frequency of the air pump, and the range of motion of the handle 1 is adjusted by adjusting the air volume of the pumping and deflation.

[0022] Embodiment 2

[0023] The power-assisted wrist rehabilitation trainer comprises a handle 1, a box 2 and an air pump, wherein an airbag 3 is arranged inside the box 2, wherein the airbag 3 is connected to the air pump, wherein a connecting plate 4 is arranged at one end of the airbag 3, wherein the connecting plate 4 is movably connected to a first connecting rod 5, wherein the first connecting rod 5 is movably connected to a second connecting rod 6, wherein the second connecting rod 6 is L-shaped, wherein a fixed shaft 7 is arranged inside the box 2, wherein the second connecting rod 6 is movably connected to the fixed shaft 7, wherein one end of the second connecting rod 6 is located outside the box 2, wherein the handle 1 is located on the second connecting rod 6, wherein a fixing frame 8 is arranged outside the airbag 3, wherein the fixing frame 8 is provided with a straight groove 9, wherein the fixing frame 8 is provided with a weight-reducing hole, and wherein the connection 4 is provided with a positioning wheel 10, wherein the positioning wheel 10 is located in the straight groove 9.

[0024] The cooperation between the positioning wheel 10 and the straight groove 9 makes the running track of the connecting plate 4 more stable during the process of inflation and deflation of the airbag 3 .

[0025] As a preferred embodiment, a cotton pad is provided on the top of the box body 2, and the cotton pad is used to support the arm.

[0026] As another preferred embodiment, the maximum rotation angle of the handle 1 is greater than 90 degrees.

[0027] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A power-assisted wrist rehabilitation trainer, characterized in that: It includes a handle, a box body and an air pump, an airbag is arranged inside the box body, the airbag is connected to the air pump, a connecting plate is arranged at one end of the airbag, the connecting plate is movably connected to a first connecting rod, the first connecting rod is movably connected to a second connecting rod, the second connecting rod is L-shaped, a fixed shaft is arranged inside the box body, the second connecting rod is movably connected to the fixed shaft, one end of the second connecting rod is located outside the box body, and the handle is located on the second connecting rod.

2. The assisted wrist rehabilitation trainer according to claim 1, characterized in that: A fixing frame is arranged outside the airbag, the fixing frame is provided with a straight groove, and the connecting plate is provided with a positioning wheel, and the positioning wheel is located in the straight groove.

3. The assisted wrist rehabilitation trainer according to claim 1, characterized in that: A cotton pad is arranged on the top of the box body.

4. The assisted wrist rehabilitation trainer according to claim 1, characterized in that: The maximum rotation angle of the handle is greater than 90 degrees.

5. The assisted wrist rehabilitation trainer according to claim 1, characterized in that: The first connecting rod and the second connecting rod are provided with weight-reducing holes.

6. The assisted wrist rehabilitation trainer according to claim 2, characterized in that: The fixing frame is provided with weight-reducing holes.

7. The assisted wrist rehabilitation trainer according to claim 1, characterized in that: The air bag and the air pump are detachably connected.

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