CN217014620U

CN217014620U - Arm rehabilitation machine

Info

Publication number: CN217014620U
Application number: CN202123056000.8U
Authority: CN
Inventors: 孟航
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-12-06
Filing date: 2021-12-06
Publication date: 2022-07-22
Anticipated expiration: 2031-12-06

Abstract

The utility model relates to the technical field of medical rehabilitation training instruments, in particular to an arm rehabilitation machine, which comprises a large arm support, a rotating ring assembly, a small arm support and a hand bracket, wherein the rotating ring assembly comprises an outer rotating ring and an inner rotating ring, the outer rotating ring is sleeved outside the inner rotating ring and can rotate relatively, the rear end of the outer rotating ring is rotatably connected with the front end of the large arm support, the front end of the inner rotating ring is fixedly connected with the rear end of the small arm support, a rack is arranged on the periphery of the outer rotating ring, and the small arm support is provided with a first motor and can drive the small arm support to rotate automatically; the small arm support is rotatably connected with the hand bracket, and the small arm support is also provided with a second motor and can drive the hand bracket to rotate around a second hinge shaft relative to the small arm support. The arm rehabilitation machine disclosed by the utility model simultaneously supports the up-and-down rotation of the forearm, the left-and-right rotation of the forearm and the up-and-down rotation of the wrist, has an active driving function, can better realize the coordination and unification of man and machine, and is simple and light in structure, convenient to carry and use and good in comfort.

Description

Arm rehabilitation machine

Technical Field

The utility model relates to the technical field of medical rehabilitation training instruments, in particular to an arm rehabilitation machine.

Background

In recent years, the number of hemiplegia patients in middle and old aged people due to cerebrovascular diseases or nervous system diseases is increasing, and the patients are in a youthful trend in age; meanwhile, the number of people with nerve injury or limb injury caused by some accidents is more and more, especially the loss of the motor function of the upper limb greatly influences the daily life capacity of patients, and the rehabilitation training is an important and key medical means for the patients with hemiplegia and limb injury. At present, there are a great deal of shortcoming and not enough in upper limbs rehabilitation training device when being used for upper limbs movement dysfunction patient to treat and the rehabilitation training, mainly have: the joints supporting the movement are single or few, and especially the movement of the joints such as the left-right rotation (i.e. the internal rotation and the external rotation of the forearm) and the wrist and the like is not integrated in the device; the supported motion mode is single, and only passive motion can be performed or the device does not have a driving function; the device is too heavy, the structure is too complex, the manufacturing cost is high, and the carrying and the use are inconvenient, and the comfort is poorer.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems, the utility model provides an arm recovery machine which simultaneously supports the up-and-down rotation of a forearm, the left-and-right rotation of the forearm and the up-and-down rotation of a wrist, has an active driving function, can well realize the coordination and the unification of man and machine, has a simple and light structure, is convenient to carry and use and has good comfort.

The task of the utility model is realized by the following technical scheme:

an arm rehabilitation machine comprises a large arm support, a rotating ring assembly, a small arm support and a hand bracket which are sequentially connected, wherein the rotating ring assembly comprises an outer rotating ring and an inner rotating ring, the outer rotating ring is sleeved outside the inner rotating ring and can rotate relatively, a switching seat is fixedly arranged at the rear end of the outer rotating ring, the front end of the large arm support is rotatably connected with the switching seat through a first hinge shaft, the front end of the inner rotating ring is fixedly connected with the rear end of the small arm support, a rack is arranged on the periphery of the outer rotating ring, a first motor is fixedly arranged on the small arm support, and a first driving gear meshed with the rack is arranged on an output shaft of the first motor, so that the small arm support can be driven to rotate around the axis of the outer rotating ring relatively; the front end of forearm support rotates through the second hinge with the rear end of hand bracket to be connected, the one end fixed connection hand bracket of second hinge, the other end pass the forearm support and are equipped with a driven gear, still fixedly on the forearm support be equipped with a second motor, are equipped with a meshing on the output shaft of second motor driven gear's second drive gear to can drive the relative forearm support of hand bracket and rotate around the second hinge, first hinge is parallel with the second hinge, and is perpendicular with the axis of swivel subassembly.

Preferably, the large arm support is also provided with a large arm adjustable lantern ring used for fixing the large arm of the user on the large arm support; the small arm support is also provided with a small arm adjustable lantern ring used for fixing the small arm of the user on the small arm support, and the large arm adjustable lantern ring and the small arm adjustable lantern ring are both elastic lantern rings or lantern rings provided with adjusting buckles.

Preferably, the forearm support is further provided with a control device, and the control device is electrically connected with the first motor and the second motor.

Preferably, still be equipped with the protection casing on the forearm support, first motor, the second motor with controlling means all sets up in the protection casing.

Compared with the prior art, the utility model has the beneficial effects that: the forearm support can rotate relative to the large arm support around the first hinge shaft, so that the upper and lower rotation of the forearm can be supported, and the forearm support can be driven to rotate around the axis of the external rotating ring relative to the large arm support through the matching of the rotating ring assembly, the forearm support, the first motor and the first driving gear, so that the left and right rotation of the forearm (namely the internal rotation and the external rotation of the forearm) can be realized, and the rehabilitation training of the forearm can be carried out; the hand bracket can be driven to rotate around the second hinge shaft relative to the forearm bracket through the matching of the forearm bracket, the hand bracket, the second motor and the second driving gear, so that the up-and-down rotation of the wrist can be realized, and the rehabilitation training of the wrist joint can be carried out; through the adjustable lantern ring of big arm and the adjustable lantern ring of forearm to can be convenient for adjust and dress in order being suitable for different patients, simple structure is light, portable uses, and the travelling comfort is better.

Drawings

Fig. 1 is a schematic structural diagram of an arm rehabilitation machine in an embodiment.

The large arm support 1, the large arm adjustable lantern ring 11, the swivel assembly 2, the outer swivel 21, the adapter 211, the rack 212, the inner swivel 22, the small arm support 3, the small arm adjustable lantern ring 31, the hand bracket 4, the first motor 51, the first driving gear 511, the second motor 52, the second driving gear 521, the first hinge shaft 61, the second hinge shaft 62 and the driven gear 621.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic diagrams each illustrating the basic structure of the present invention only in a schematic manner, and thus show only the constitution related to the present invention.

In the description of the present application, it is to be understood that the terms "front", "back", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

In the description of the present application, it should be noted that, unless explicitly stated or limited otherwise, the term "connected" is to be interpreted broadly, e.g. as a fixed connection, a detachable connection, or an integral connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

As shown in fig. 1, an arm rehabilitation machine comprises a large arm support 1, a swivel assembly 2, a small arm support 3 and a hand bracket 4 which are connected in sequence, wherein the swivel assembly 2 comprises an outer swivel 21 and an inner swivel 22, the outer swivel 21 is sleeved outside the inner swivel 22 and can rotate relatively, a transfer base 211 is fixedly arranged at the rear end of the outer swivel 21, the front end of the large arm support 1 is rotatably connected with the transfer base 211 through a first hinge shaft 61, the front end of the inner swivel 22 is fixedly connected with the rear end of the small arm support 3, a rack 212 is arranged on the periphery of the outer swivel 21, a first motor 51 is fixedly arranged on the small arm support 3, and a first driving gear 511 meshed with the rack 212 is arranged on an output shaft of the first motor 51, so that the small arm support 3 can be driven to rotate relative to the outer swivel 21 around the axis of the outer swivel 21; the front end of the small arm support 3 is rotatably connected with the rear end of the hand support 4 through a second hinge shaft 62, one end of the second hinge shaft 62 is fixedly connected with the hand support 4, the other end of the second hinge shaft passes through the small arm support 3 and is provided with a driven gear 621, a second motor 52 is further fixedly arranged on the small arm support 3, and a second driving gear 521 meshed with the driven gear 621 is arranged on an output shaft of the second motor 52, so that the hand support 4 can be driven to rotate around the second hinge shaft 62 relative to the small arm support 3, and the first hinge shaft 61 is parallel to the second hinge shaft 62 and is perpendicular to the axis of the rotating ring assembly 2.

As a preferred embodiment, the big arm support 1 is further provided with a big arm adjustable lantern ring 11 for fixing the big arm of the user on the big arm support 1; the forearm support 3 is further provided with a forearm adjustable lantern ring 31 used for fixing the forearm of a user on the forearm support 3, and the large-arm adjustable lantern ring 11 and the forearm adjustable lantern ring 31 are both elastic lantern rings or lantern rings provided with adjusting buckles.

As a preferred embodiment, the forearm support 3 is further provided with a control device, the control device is electrically connected to the first motor 51 and the second motor 52, the forearm support 3 is further provided with a protective cover, and the first motor 51, the second motor 52 and the control device are all arranged in the protective cover. The control device and the protective cover are omitted from the drawings.

Compared with the prior art, the utility model has the beneficial effects that: the small arm support can rotate relative to the large arm support around the first hinge shaft, so that the up-and-down rotation of the small arm can be supported, and the small arm support can be driven to rotate around the axis of the outer rotating ring relative to the large arm support through the matching of the rotating ring assembly, the small arm support, the first motor and the first driving gear, so that the left-and-right rotation of the small arm can be realized, and the rehabilitation training of the small arm can be carried out; the hand bracket can be driven to rotate around the second hinge shaft relative to the forearm bracket through the matching of the forearm bracket, the hand bracket, the second motor and the second driving gear, so that the up-and-down rotary movement of the wrist can be realized, and the rehabilitation training of the wrist joint can be carried out; through the adjustable lantern ring of big arm and the adjustable lantern ring of forearm to can be convenient for adjust and dress in order being suitable for different patients, simple structure is light, portable uses, and the travelling comfort is better.

The above description is only a preferred embodiment of the application and is illustrative of the principles of the technology employed. It will be appreciated by those skilled in the art that the scope of the utility model herein disclosed is not limited to the particular combination of features disclosed herein, and that other combinations of features disclosed herein or their equivalents, in any combination, are also encompassed by the utility model without departing from the spirit of the utility model. For example, the above features may be replaced with (but not limited to) features having similar functions disclosed in the present application.

Claims

1. An arm rehabilitation machine is characterized by comprising a large arm support, a swivel assembly, a small arm support and a hand bracket which are sequentially connected, wherein the swivel assembly comprises an outer swivel and an inner swivel, the outer swivel is sleeved outside the inner swivel and can rotate relatively, a transfer base is fixedly arranged at the rear end of the outer swivel, the front end of the large arm support is rotatably connected with the transfer base through a first hinge shaft, the front end of the inner swivel is fixedly connected with the rear end of the small arm support, a rack is arranged on the periphery of the outer swivel, a first motor is fixedly arranged on the small arm support, and a first driving gear meshed with the rack is arranged on an output shaft of the first motor, so that the small arm support can be driven to rotate relatively around the axis of the outer swivel; the front end of the forearm support is rotatably connected with the rear end of the hand bracket through a second hinge shaft, one end of the second hinge shaft is fixedly connected with the hand bracket, the other end of the second hinge shaft penetrates through the forearm support and is provided with a driven gear, a second motor is further fixedly arranged on the forearm support, and an output shaft of the second motor is provided with a meshing gear which is a second driving gear of the driven gear, so that the hand bracket can be driven to rotate around the second hinge shaft relative to the forearm support, and the first hinge shaft and the second hinge shaft are parallel and perpendicular to the axis of the rotating ring assembly.

2. The arm rehabilitation machine according to claim 1, wherein an upper arm adjustable collar for fixing an upper arm of a user to the upper arm support is further provided on the upper arm support; the small arm support is also provided with a small arm adjustable lantern ring used for fixing the small arm of the user on the small arm support, and the large arm adjustable lantern ring and the small arm adjustable lantern ring are both elastic lantern rings or lantern rings provided with adjusting buckles.

3. The arm recovery machine of claim 1, wherein said forearm support further comprises a control device, said control device being electrically connected to said first motor and said second motor.

4. The arm rehabilitation machine according to claim 3, wherein a protective cover is further provided on the forearm support, and the first motor, the second motor and the control device are all provided in the protective cover.