Arm rehabilitation training mechanism

Abstract

The utility model discloses an arm rehabilitation training mechanism which comprises a handle assembly, the handle assembly comprises a grip and a first insertion head, the first insertion head is installed on the outer side of an installation base, the grip is rotatably connected with the installation base, and a switching block is rotatably installed on one side of the handle assembly; the adapter block is connected with a sliding block, the sliding block is detachably provided with an adapter fixing seat, the adapter fixing seat is further provided with a second plug-in mounting head, and the adapter fixing seat is provided with a semicircular bandage fixing plate. According to the utility model, the left and right hand training modes can be switched, the switching process is simple, convenient and rapid, and the position of the grip is adjusted, so that the device is suitable for rehabilitation people with different wrist joint movement ranges.

Description

TECHNICAL FIELD

[0001] The utility model relates to an arm rehabilitation training mechanism and belongs to the technical field of arm rehabilitation training. BACKGROUND

[0002] Upper limb rehabilitation training devices are designed and used to help restore, enhance or replace upper limb functions. These devices have wide applications in many fields such as rehabilitation medicine, assistive technology, and bioengineering, and play an important role in helping upper limb dysfunction patients improve their quality of life.

[0003] Most of the upper limb rehabilitation training devices currently used in the market are single-arm exoskeleton mechanical arms. Patients mostly use single-arm training. When different patients use the left arm or the right arm, the left mechanical arm needs to be installed on the upper limb training device. When another patient uses the right arm for training, the left mechanical arm needs to be disassembled and the right mechanical arm needs to be installed on the upper limb training device. The disassembly and installation procedures are complex. However, the mechanical arms in the prior art that simultaneously have left arm or right arm rehabilitation training have complex structures, high manufacturing costs, are difficult to replace, and are inconvenient for adjusting the training angle of the wrist.

[0004] In summary, the prior art has obvious inconvenience and defects in actual use, so it is necessary to improve it. CONTENT OF THE UTILITY MODEL

[0005] In view of the deficiencies in the background art, the utility model provides an arm rehabilitation training mechanism that can switch between left-hand and right-hand training modes, has simple and quick conversion procedures, and adjusts the position of the handle, thereby being suitable for use by rehabilitation populations with different wrist joint activity ranges.

[0006] To solve the above technical problems, the utility model adopts the following technical solutions:

[0007] An arm rehabilitation training mechanism includes a handle assembly, the handle assembly includes a handle and a first plug-in head, the first plug-in head is installed on the outside of a mounting seat, the handle is rotatably connected with the mounting seat, and one side of the handle assembly is rotatably installed with an adapter block;

[0008] The adapter block is connected with a sliding block, the sliding block is detachably installed with a conversion fixing seat, the conversion fixing seat is further provided with a second plug-in head, and the conversion fixing seat is installed with a semicircular band fixing plate.

[0009] Further, one side of the mounting seat is installed with a rotating shaft, both sides of the mounting seat located on both sides of the rotating shaft are respectively provided with a threaded hole, the middle position of the adapter block is provided with a plug-in hole, the rotating shaft is installed in the plug-in hole, one side of the adapter block located on the plug-in hole is installed with a threaded pin, and the threaded pin is installed in the threaded hole.

[0010] Further, the upper end of the handle is fixed on a rotating disc, the back of the rotating disc is fixed on a central shaft, and the central shaft is rotatably installed on the lower end of a mounting base through a bearing.

[0011] Further, the back of the rotating disc is provided with a plurality of index holes, and the back of the mounting base is provided with an index pin which is inserted into one of the index holes.

[0012] Further, the rear end of the adapter block is fixed with a sliding rod, and the sliding block is slidably installed on the sliding rod.

[0013] Further, the conversion fixing base is in a rectangular structure, is provided with a mounting groove matched with the sliding block, and is provided with a locking rod on one side, which fixes the sliding block in the mounting groove of the conversion fixing base.

[0014] Further, the back side of the sliding block is provided with an insertion shaft, the insertion shaft is provided with a limiting groove, and the conversion fixing base is elastically installed with a pull-out pin matched with the limiting groove of the insertion shaft.

[0015] Further, the sliding shaft is slidably installed in the side of the sliding block, and when the conversion fixing base is locked with the sliding block, the inner end of the locking rod abuts against the sliding shaft, so that the sliding block is fixed on the sliding rod.

[0016] The above technical scheme has the following advantages compared with the prior art.

[0017] 1. When switching to the left-hand training mode, the handle assembly is rotated by 180 degrees relative to the adapter block, and the position of the conversion fixing base on the sliding block is also rotated by 180 degrees, so that the mechanism is simple in structure and the conversion process is simple and fast.

[0018] 2. The upper end of the handle is fixed on a rotating disc, the back of the rotating disc is fixed on a central shaft, and the central shaft is rotatably installed on the lower end of a mounting base through a bearing, and the position of the handle relative to the mounting base is adjustable, so that it can be used by rehabilitation people with different wrist joint activity ranges.

[0019] The utility model will be described in detail in combination with the drawings and examples. DRAWINGS

[0020] Figure 1 is the three-dimensional structure schematic diagram of the utility model;

[0021] Figure 2 is the schematic diagram of part structure of the utility model;

[0022] Figure 3 is the structure schematic diagram of handle assembly in the utility model;

[0023] Figure 4It is the half sectional view of the handle assembly in the utility model.

[0024] In the figure, 1-handle assembly, 101-grip, 102-rotating disc, 103-index pin, 104-mounting seat, 105-rotating shaft, 106-threaded hole, 107-first plug-in head, 108-center shaft, 2-adaptor block, 3-threaded pin, 4-sliding rod, 5-sliding block, 6-sliding shaft, 7-plug-in shaft, 8-conversion fixing seat, 9-locking rod, 10-pulling bolt, 11-binder fixing plate, 12-second plug-in head. DETAILED DESCRIPTION

[0025] In order to have more clear understanding of the technical features, purposes and effects of the utility model, the specific implementation mode of the utility model will be explained by referring to the drawings.

[0026] As Figures 1-4 shown, the utility model provides a kind of arm rehabilitation training mechanism, including handle assembly 1, the handle assembly 1 including grip 101 and first plug-in head 107, first plug-in head 107 is installed in the outside of mounting seat 104, grip 101 is rotatably connected with the mounting seat 104, one side of handle assembly 1 rotatably installs adaptor block 2;

[0027] Adaptor block 2 is connected with sliding block 5, the second plug-in head 12 is detachably installed on sliding block 5, conversion fixing seat 8 is further equipped on conversion fixing seat 8, semi-circular binder fixing plate 11 is installed on conversion fixing seat 8.Binder fixing plate 11 is tied with binder, to fix arm.

[0028] Figure 1 The structure shown is right-hand training mode, when needing to switch to left-hand training mode, handle assembly 1 is rotated 180 degrees relative to adaptor block 2, while conversion fixing seat 8 is rotated 180 degrees on sliding block 5, and the mechanism structure is simple, and conversion procedure is simple and fast.

[0029] One side of mounting seat 104 is installed with rotating shaft 105, and the two sides of mounting seat 104 located rotating shaft 105 are respectively equipped with one threaded hole 106, the middle position of adaptor block 2 is equipped with plug-in hole, rotating shaft 105 is installed in the plug-in hole, threaded pin 3 is installed on one side of the plug-in hole of adaptor block 2, threaded pin 3 is installed in the threaded hole 106, so that mounting seat 104 and adaptor block 2 are fixedly connected.

[0030] The upper end of grip 101 is fixed on rotating disc 102, the back of rotating disc 102 is fixed on center shaft 108, the center shaft 108 is rotatably installed at the lower end of mounting seat 104 through bearing, and the position of grip 101 relative to mounting seat 104 is adjustable, so that it can adapt to the rehabilitation population with different wrist joint activity ranges.

[0031] The back of the rotary disc 102 is provided with a plurality of index holes, and the back of the mounting seat 104 is provided with an index pin 103 which is inserted into one of the index holes.

[0032] The back end of the adapter block 2 is fixed with a sliding rod 4, and the sliding block 5 is slidingly installed on the sliding rod 4.

[0033] The conversion fixing seat 8 is in a rectangular structure, is provided with a mounting groove matched with the sliding block 5, and is provided with a locking rod 9 on one side.

[0034] The back side of the sliding block 5 is provided with an insertion shaft 7, the insertion shaft 7 is provided with a limiting groove, and the conversion fixing seat 8 is elastically installed with a pull-out plug 10 which is matched with the limiting groove of the insertion shaft 7 to lock the conversion fixing seat 8 and the sliding block 5.

[0035] The sliding shaft 6 is slidingly installed in the side of the sliding block 5, and the inner end of the locking rod 9 abuts against the sliding shaft 6 after the conversion fixing seat 8 is locked with the sliding block 5, so that the sliding block 5 is fixed on the sliding rod 4.

[0036] The specific working principle of the utility model is as follows:

[0037] During training, the hand of the patient holds the handle 101 of the handle assembly 1, and the arm is fixed on the band fixing plate 11. The first insertion head 107 or the second insertion head 12 can be installed at the end of the mechanical arm of the rehabilitation training equipment, and different insertion heads can change the training angle and training position of the training patient, change the position of the patient on the rehabilitation training equipment, so that different training modes can be adapted.

[0038] One side of the handle assembly 1 is rotatably installed with the adapter block 2, the adapter block 2 is connected with the sliding block 5, the sliding block 5 is detachably installed with the conversion fixing seat 8, the conversion fixing seat 8 is installed with the semicircular band fixing plate 11, when the left-hand training mode is needed to be switched, the handle assembly 1 is rotated by 180 degrees relative to the adapter block 2, and meanwhile the position of the conversion fixing seat 8 on the sliding block 5 is rotated by 180 degrees, the mechanism is simple in structure, and the conversion process is simple, fast and convenient.

[0039] The above is an example of the best implementation mode of the utility model, wherein the parts not described in detail are all the common knowledge of the ordinary skilled in the art. The protection scope of the utility model is subject to the content of the claims, and any equivalent conversion based on the technical inspiration of the utility model is also within the protection scope of the utility model.

Claims

1. An arm rehabilitation training mechanism, characterized in that: The handle assembly (1) comprises a handle (101) and a first plug-in head (107), the first plug-in head (107) is installed on the outside of a mounting seat (104), the handle (101) is rotatably connected with the mounting seat (104), and one side of the handle assembly (1) is rotatably installed with an adapter block (2); The adapter block (2) is connected with a sliding block (5), the sliding block (5) is detachably installed with a conversion fixing seat (8), the conversion fixing seat (8) is further provided with a second plug-in head (12), and the conversion fixing seat (8) is installed with a semicircular band fixing plate (11).

2. The arm rehabilitation training mechanism according to claim 1, characterized in that: A rotating shaft (105) is installed on one side of the mounting seat (104), and a threaded hole (106) is arranged on the two sides of the rotating shaft (105), respectively; a plug-in hole is arranged at the middle position of the adapter block (2), the rotating shaft (105) is installed in the plug-in hole, and a threaded pin (3) is installed on one side of the plug-in hole of the adapter block (2) and is installed in the threaded hole (106).

3. The arm rehabilitation training mechanism according to claim 1, characterized in that: The upper end of the handle (101) is fixed on a rotating disc (102), the back of the rotating disc (102) is fixed on a central shaft (108), and the central shaft (108) is rotatably installed at the lower end of the mounting seat (104) through a bearing.

4. The arm rehabilitation training mechanism according to claim 3, characterized in that: The back of the rotating disc (102) is provided with a plurality of index holes, and the back of the mounting seat (104) is installed with an index pin (103), which is inserted into one of the index holes.

5. The arm rehabilitation training mechanism according to claim 1, characterized in that: The rear end of the adapter block (2) is fixed with a sliding rod (4), and the sliding block (5) is slidingly installed on the sliding rod (4).

6. The arm rehabilitation training mechanism according to claim 1, characterized in that: The conversion fixing seat (8) is a rectangular structure, the conversion fixing seat (8) is provided with a mounting groove matched with the sliding block (5), one side of the conversion fixing seat (8) is provided with a locking rod (9), and the locking rod (9) fixes the sliding block (5) in the mounting groove of the conversion fixing seat (8).

7. The arm rehabilitation training mechanism according to claim 1, characterized in that: The back side of the sliding block (5) is provided with a plug-in shaft (7), the plug-in shaft (7) is provided with a limiting groove, the conversion fixing seat (8) is elastically installed with a pulling plug (10), and the pulling plug (10) is matched with the limiting groove of the plug-in shaft (7).

8. The arm rehabilitation training mechanism according to claim 1, characterized in that: The sliding shaft (6) is slidingly installed in the side surface of the sliding block (5), after the conversion fixing seat (8) and the sliding block (5) are locked, the inner end of the locking rod (9) abuts against the sliding shaft (6), so that the sliding block (5) is fixed on the sliding rod (4).

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