Upper limb joint rehabilitation training device

Abstract

This utility model discloses an upper limb joint rehabilitation training device, including a support, a swing arm mounting base, and a swing arm. The support houses a first drive mechanism and a swing shaft that is poweredly connected to the first drive mechanism and extends out of the support's side. The swing arm mounting base is fixed to the end of the swing shaft extending out of the support. The swing arm mounting base houses a second drive mechanism and a flipping shaft that is poweredly connected to the second drive mechanism and extends out of the front of the swing arm mounting base. The swing arm includes a rear swing arm and a front swing arm connected by a hinge, and a third drive mechanism for driving the rear and front swing arms to swing relative to the hinge. Both the rear and front swing arms have arm fixing components. The rear end of the rear swing arm is coaxially fixed to the end of the flipping shaft extending out of the swing arm mounting base. This utility model can be used not only for shoulder joint rehabilitation training but also for elbow joint rehabilitation training. The two training methods can be quickly switched, making it convenient to use.

Description

Technical Field

[0001] This utility model relates to the field of rehabilitation instrument technology, specifically to an upper limb joint rehabilitation training device. Background Technology

[0002] Shoulder joint rehabilitation trainers are common rehabilitation training instruments. They work by using a swinging motion to move the arm up and down, thus achieving shoulder joint rehabilitation training. Some patients, in addition to shoulder joint rehabilitation training, also need elbow joint rehabilitation training. Existing shoulder joint rehabilitation trainers are limited to shoulder joint rehabilitation and have a relatively single function. When elbow joint rehabilitation training is required, other elbow joint rehabilitation training equipment must be used, which increases the cost of the training equipment. Utility Model Content

[0003] To address the shortcomings of existing technologies, this invention provides an upper limb joint rehabilitation trainer that can be used not only for shoulder joint rehabilitation training but also for elbow joint rehabilitation training. The two training modes can be quickly switched, making it convenient to use.

[0004] This utility model provides an upper limb joint rehabilitation training device, comprising:

[0005] A support, wherein a first drive mechanism is provided inside the support, and a swing shaft that is poweredly connected to the first drive mechanism and extends out of the side of the support is provided inside the support;

[0006] A swing arm mounting base is fixed to one end of the swing shaft protruding support. A second drive mechanism is provided inside the swing arm mounting base. A flipping shaft that is poweredly connected to the second drive mechanism and extends out of the front of the swing arm mounting base is provided inside the swing arm mounting base.

[0007] The swing arm includes a rear swing arm and a front swing arm connected by a hinge, and a third drive mechanism for driving the rear swing arm and the front swing arm to swing relative to the hinge. Both the rear swing arm and the front swing arm are provided with arm fixing members, and the rear end of the rear swing arm is coaxially fixed to one end of the flip shaft that extends out of the swing arm mounting seat.

[0008] Furthermore, the first drive mechanism includes a first motor, which is fixed inside the support, and the output end of the first motor is connected to the swing shaft.

[0009] Furthermore, the second drive mechanism includes a worm gear, a worm, and a second motor. The worm gear is coaxially fixed on the tilting shaft, the worm is rotatably mounted in the swing arm mounting base and meshes with the worm gear, and the second motor is fixed in the swing arm mounting base. The output end of the second motor is connected to the worm gear.

[0010] Furthermore, both the rear swing arm and the front swing arm are groove-shaped, having a base plate and two side plates. The arm fixing member is located on the outside of the base plate of the rear swing arm and the front swing arm. The front ends of both side plates of the rear swing arm are provided with forward-extending first ear plates, and the rear ends of both side plates of the front swing arm are provided with rearward-extending second ear plates. Two second ear plates are located between the two second ear plates, and the front parts of the two second ear plates are hinged to the front parts of the two first ear plates near the base plate. A first pivot is provided between the two side plates of the rear swing arm near the base plate, and a second pivot is provided at the rear part of the two second ear plates away from the base plate.

[0011] The third drive mechanism includes a telescopic push rod, the two ends of which are connected to the first rotating shaft and the second rotating shaft, respectively.

[0012] Furthermore, the arm fixation component includes:

[0013] The first sliding seat is slidably mounted on the outer side of the base plate of the rear swing arm / front swing arm;

[0014] An arm restraint strap, the arm restraint strap being used to secure the patient's arm to the first sliding seat;

[0015] A first locking element is used to lock the first sliding seat to the rear swing arm / front swing arm.

[0016] Furthermore, the first sliding seat has a first slot on the side facing the rear swing arm / front swing arm, and the first slot is engaged with the outer side of the two side plates of the rear swing arm / front swing arm.

[0017] The first locking element is a first tightening screw that is threaded onto the side wall of the first slot and is used to tighten against the side plate on one side of the rear swing arm / front swing arm.

[0018] Furthermore, the first sliding seat has an arc-shaped groove on the side away from the rear swing arm / front swing arm.

[0019] Furthermore, it also includes a gripping element, said gripping element comprising:

[0020] The second sliding seat is located in front of the arm fixing member and is slidably mounted on the outside of the base plate of the front swing arm;

[0021] A grip handle, which is fixed to the outside of the second sliding seat;

[0022] The second locking member is used to lock the second sliding seat to the front swing arm.

[0023] Furthermore, the second sliding seat has a second slot on the side facing the rear swing arm / front swing arm, and the second slot is engaged with the outer side of the two side plates of the front swing arm;

[0024] The second locking element is a second tightening screw that is threaded onto the side wall of the second slot and is used to tighten against the side plate on one side of the front swing arm.

[0025] Furthermore, it also includes a base, on which a telescopic column is provided, and the support is fixed at the upper end of the telescopic column.

[0026] The beneficial effects of this utility model are reflected in:

[0027] When performing shoulder joint rehabilitation training, the front of the swing arm faces the patient's side. The upper arm of the patient's corresponding arm is fixed to the front of the rear swing arm through the arm fixation piece, and the forearm of the patient's corresponding arm is fixed to the front of the front swing arm through the arm fixation piece. The first drive mechanism drives the entire swing arm to swing up and down, thereby realizing the rehabilitation training of the patient's shoulder joint.

[0028] During elbow joint rehabilitation training, the second drive mechanism drives the swing arm to rotate to face upward. The upper arm of the patient's corresponding arm is fixed to the front of the rear swing arm by the arm fixation piece, and the forearm of the patient's corresponding arm is fixed to the front of the front swing arm by the arm fixation piece. The third drive mechanism drives the front swing arm to swing up and down relative to the rear swing arm, thereby realizing the rehabilitation training of the patient's elbow joint.

[0029] Therefore, this application can be used not only for shoulder joint rehabilitation training, but also for elbow joint rehabilitation training. The two training methods can be quickly switched and are easy to use. Attached Figure Description

[0030] To more clearly illustrate the specific embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. In all the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, the elements or parts are not necessarily drawn to scale.

[0031] Figure 1 This is a schematic diagram of the structure of this utility model embodiment under shoulder joint rehabilitation training conditions;

[0032] Figure 2 This is a schematic diagram of the structure of this utility model embodiment under elbow joint rehabilitation training conditions;

[0033] Figure 3 This is a schematic diagram of the structure of the second drive mechanism in an embodiment of the present invention;

[0034] Figure 4 This is a schematic diagram of the structure of the connection between the rear swing arm and the front swing arm in an embodiment of this utility model.

[0035] In the attached diagram, 100-support; 110-swing shaft; 200-swing arm mounting base; 211-worm gear; 212-worm; 213-second motor; 220-flip shaft; 300-swing arm; 310-rear swing arm; 311-first ear plate; 320-front swing arm; 321-second ear plate; 331-telescopic push rod; 332-hinge shaft; 333-first rotating shaft; 334-second rotating shaft; 340-arm fixing component; 341-first sliding seat; 3411-first slot; 3412-arc groove; 342-arm restraint strap; 343-first locking component; 350-grip; 351-second sliding seat; 3511-second slot; 352-grip handle; 353-second locking component; 400-base; 410-telescopic column. Detailed Implementation

[0036] The embodiments of the present invention will now be described in detail with reference to the accompanying drawings. These embodiments are merely illustrative of the present invention and should not be construed as limiting the scope of protection of the present invention.

[0037] It should be noted that, unless otherwise stated, the technical or scientific terms used in this application shall have the ordinary meaning as understood by one of ordinary skill in the art to which this utility model pertains.

[0038] like Figures 1-4 As shown, this utility model embodiment provides an upper limb joint rehabilitation training device, including a support 100, a swing arm mounting base 200, and a swing arm 300.

[0039] The support 100 is provided with a first drive mechanism, and the support 100 is provided with a swing shaft 110 that is poweredly connected to the first drive mechanism and extends out of the side of the support 100.

[0040] The swing arm mounting base 200 is fixed to one end of the swing shaft 110 that extends out of the support 100. The swing arm mounting base 200 is provided with a second drive mechanism. The swing arm mounting base 200 is provided with a flip shaft 220 that is poweredly connected to the second drive mechanism and extends out of the front of the swing arm mounting base 200.

[0041] The swing arm 300 includes a rear swing arm 310 and a front swing arm 320 connected by a hinge shaft 332, and a third drive mechanism for driving the rear swing arm 310 and the front swing arm 320 to swing relative to the hinge shaft 332. Both the rear swing arm 310 and the front swing arm 320 are provided with arm fixing members 340. The rear end of the rear swing arm 310 is coaxially fixed to one end of the flip shaft 220 that extends out of the swing arm mounting base 200.

[0042] like Figure 1As shown, during shoulder joint rehabilitation training, the front of the swing arm 300 faces the patient's side. The upper arm of the patient's corresponding arm is fixed to the front of the rear swing arm 310 through the arm fixation member 340, and the forearm of the patient's corresponding arm is fixed to the front of the front swing arm 320 through the arm fixation member 340. The first drive mechanism drives the entire swing arm 300 to swing up and down, thereby realizing the rehabilitation training of the patient's shoulder joint.

[0043] like Figure 2 As shown, during elbow joint rehabilitation training, the second drive mechanism drives the swing arm 300 to rotate to face upward. The upper arm of the patient's corresponding arm is fixed to the front of the rear swing arm 310 through the arm fixation piece 340, and the forearm of the patient's corresponding arm is fixed to the front of the front swing arm 320 through the arm fixation piece 340. The third drive mechanism drives the front swing arm 320 to swing up and down relative to the rear swing arm 310, thereby realizing the rehabilitation training of the patient's elbow joint.

[0044] Therefore, this application can be used not only for shoulder joint rehabilitation training, but also for elbow joint rehabilitation training. The two training methods can be quickly switched and are easy to use.

[0045] In some embodiments, the first drive mechanism includes a first motor, which is fixed inside the support 100, and the output end of the first motor is connected to the swing shaft 110.

[0046] In some embodiments, refer to Figure 3 The second drive mechanism includes a worm gear 211, a worm 212, and a second motor 213. The worm gear 211 is coaxially fixed on the tilting shaft 220. The worm 212 is rotatably mounted in the swing arm mounting base 200 and meshes with the worm gear 211. The second motor 213 is fixed in the swing arm mounting base 200, and its output end is connected to the worm gear 211. The second motor 213 drives the tilting shaft 220 to rotate through the worm gear, which not only enables the tilting of the swing arm 300 but also utilizes the self-locking characteristic of the worm gear to ensure that the swing arm 300 is stably maintained in either the shoulder joint rehabilitation training state or the elbow joint rehabilitation training state.

[0047] In some embodiments, refer to Figure 4Both the rear swing arm 310 and the front swing arm 320 are groove-shaped, with a base plate and two side plates. The arm fixing member 340 is located on the outside of the base plate of the rear swing arm 310 and the front swing arm 320. The front ends of the two side plates of the rear swing arm 310 are provided with forward-extending first ear plates 311, and the rear ends of the two side plates of the front swing arm 320 are provided with rearward-extending second ear plates 321. The two second ear plates 321 are located between the two second ear plates 321, and the front part of the two second ear plates 321 is hinged to the front part of the two first ear plates 311 near the base plate. A first pivot 333 is provided between the two side plates of the rear swing arm 310 near the base plate, and a second pivot 334 is provided between the two second ear plates 321 away from the base plate.

[0048] The third drive mechanism includes a telescopic push rod 331. The two ends of the telescopic push rod 331 are connected to the first rotating shaft 333 and the second rotating shaft 334 respectively. The telescopic push rod 331 can be an electric, pneumatic or hydraulic push rod, preferably an electric push rod. When performing elbow joint rehabilitation training, the front swing arm 320 can be driven to swing up and down by the extension and retraction of the telescopic push rod 331.

[0049] The rear swing arm 310 and the front swing arm 320 adopt a groove design, which helps to reduce the weight of the structure while ensuring the force. At the same time, the telescopic push rod 331 that drives the front swing arm 320 to swing can be hidden in the groove on the back of the rear swing arm 310 and the front swing arm 320, making it safer to use and more aesthetically pleasing overall.

[0050] In some embodiments, refer to Figure 1 and Figure 2 The arm fixation component 340 includes a first sliding seat 341, an arm restraint strap 342, and a first locking component 343.

[0051] The first sliding seat 341 is slidably mounted on the outer side of the base plate of the rear swing arm 310 / front swing arm 320. Specifically, the first sliding seat 341 has a first slot 3411 on the side facing the rear swing arm 310 / front swing arm 320, and the first slot 3411 is engaged with the outer side of the two side plates of the rear swing arm 310 / front swing arm 320.

[0052] Optionally, in order to make the patient's arm fit more closely with the first sliding seat 341, an arc-shaped groove 3412 is provided on the side of the first sliding seat 341 away from the rear swing arm 310 / front swing arm 320.

[0053] The arm restraint strap 342 is used to fix the patient's arm to the first sliding seat 341. Optionally, in order to facilitate the fixation of the patient's upper arm and forearm, the arm restraint strap 342 consists of two sections, which are respectively fixed to both sides of the first sliding seat 341 and are fixed together by Velcro.

[0054] The first locking member 343 is used to lock the first sliding seat 341 to the rear swing arm 310 / front swing arm 320. Specifically, the first locking member 343 is a first tightening screw threaded onto the side wall of the first slot portion 3411 and used to abut against the outside of the side plate on one side of the rear swing arm 310 / front swing arm 320. When the first tightening screw is tightened, the first tightening screw abuts against the rear swing arm 310 / front swing arm 320, thereby locking the arm fixing member 340. When the first tightening screw is loosened, the arm fixing member 340 can slide freely and adjust along the rear swing arm 310 / front swing arm 320.

[0055] The above design facilitates the adjustment of the position of the arm fixation member 340 on the rear swing arm 310 / front swing arm 320 to meet the usage requirements of different patients.

[0056] In some embodiments, the device also includes a grip 350, which includes a second slide 351, a grip handle 352, and a second locking member 353.

[0057] The second sliding seat 351 is located in front of the arm fixing member 340 and is slidably mounted on the outer side of the base plate of the front swing arm 320. Specifically, the second sliding seat 351 has a second slot 3511 on the side facing the rear swing arm 310 / front swing arm 320, and the second slot 3511 is engaged with the outer side of the two side plates of the front swing arm 320.

[0058] The grip handle 352 is fixed to the outside of the second sliding seat 351.

[0059] The second locking member 353 is used to lock the second sliding seat 351 to the front swing arm 320. Specifically, the second locking member 353 is a second tightening screw threaded onto the side wall of the second slot portion 3511 and used to abut against the side plate on one side of the front swing arm 320. When the second tightening screw is tightened, the second tightening screw abuts against the front swing arm 320, thereby locking the grip 350. When the second tightening screw is loosened, the grip 350 can slide freely along the front swing arm 320 for adjustment.

[0060] When performing shoulder or elbow joint rehabilitation training, the patient's hand can grip the handle 352, and the position of the grip 350 on the front swing arm 320 can be adjusted forward and backward to meet the usage requirements of different patients.

[0061] In some embodiments, a base 400 is also included, on which a telescopic column 410 is provided, and a support 100 is fixed at the upper end of the telescopic column 410. By controlling the raising and lowering of the telescopic column 410, the height of the swing arm 300 can be adjusted to meet the usage requirements of different patients.

[0062] The upper limb joint rehabilitation trainer of this embodiment is supported on the ground by the base 400 and can be moved to the left or right side of the patient. When switching from the left or right side to the right side, the first drive mechanism needs to drive the swing arm 300 to rotate 180° in the front-back direction, and then the second drive mechanism drives the swing arm 300 to rotate 180° in the horizontal direction, so that both hands can be used.

[0063] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and not to limit it. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this utility model, and they should all be covered within the scope of the claims and specification of this utility model.

Claims

1. An upper limb joint rehabilitation trainer, characterized in that, The utility model relates to a kind of upper limb joint rehabilitation training devices, including: Support, first drive mechanism is arranged in the support, swing shaft is arranged in the support and is power-connected with the first drive mechanism and extends the side of the support; Swing arm mounting seat, swing arm mounting seat is fixed in the one end of swing shaft extension support, second drive mechanism is arranged in swing arm mounting seat, swing shaft is arranged in swing arm mounting seat and is power-connected with the second drive mechanism and extends the front of the swing arm mounting seat; Swing arm, swing arm includes rear swing arm and front swing arm by hinged shaft connection, and third drive mechanism for driving the swing of rear swing arm and front swing arm relative to hinged shaft, rear swing arm and front swing arm are equipped with arm fixing piece, rear end of rear swing arm is coaxially fixed in the one end of swing shaft extension swing arm mounting seat.

2. The upper limb joint rehabilitation training device according to claim 1, wherein: The first drive mechanism comprises a first motor, and the first motor is fixed in the support, and the output end of the first motor is connected with the swing shaft.

3. The upper limb joint rehabilitation training device according to claim 1, wherein: The second drive mechanism comprises a worm gear, a worm and a second motor, the worm gear is coaxially fixed on the swing shaft, the worm is rotatably installed in the swing arm mounting seat and is engaged with the worm gear, and the second motor is fixed in the swing arm mounting seat, and the output end of the second motor is connected with the worm gear.

4. The upper limb joint rehabilitation training device according to claim 1, wherein: The rear swing arm and the front swing arm are both in the shape of a groove, having a bottom plate and two side plates, the arm fixing piece is arranged on the outside of the bottom plate of the rear swing arm and the front swing arm, the front end of the two side plates of the rear swing arm is provided with a first ear plate extending forward, the rear end of the two side plates of the front swing arm is provided with a second ear plate extending backward, the two second ear plates are arranged between the two first ear plates, and the front part of the two second ear plates away from the bottom plate is hingedly connected to the front part of the two first ear plates close to the bottom plate, a first rotating shaft is arranged between the two side plates of the rear swing arm close to the bottom plate, and a second rotating shaft is arranged between the rear part of the two second ear plates away from the bottom plate. The third drive mechanism comprises a telescopic push rod, and the two ends of the telescopic push rod are connected with the first rotating shaft and the second rotating shaft respectively.

5. The upper limb joint rehabilitation training device according to claim 4, wherein: The arm fixing piece comprises: A first sliding seat, the first sliding seat is slidably installed on the outside of the bottom plate of the rear swing arm / front swing arm; An arm binding belt, the arm binding belt is used for fixing the arm of the patient on the first sliding seat; A first locking piece, the first locking piece is used for locking the first sliding seat on the rear swing arm / front swing arm.

6. The upper limb joint rehabilitation training device according to claim 5, wherein: The side of the first sliding seat towards the rear swing arm / front swing arm is provided with a first clamping groove part, and the first clamping groove part is clamped on the outside of the two side plates of the rear swing arm / front swing arm; The first locking piece is a first tightening screw threadedly connected to the side wall of the first clamping groove part and used for tightly pressing on the side plate outside one side of the rear swing arm / front swing arm.

7. The upper limb joint rehabilitation training device according to claim 5, wherein: The first sliding seat is provided with an arc-shaped slot on the side away from the rear swing arm / front swing arm.

8. The upper limb joint rehabilitation training device according to claim 4, characterized in that, Further comprising a holding member, the holding member comprising: a second sliding seat, which is located in front of the arm fixing member and is slidingly installed on the outer side of the bottom plate of the front swing arm; a holding handle, which is fixed to the outer side of the second sliding seat; a second locking member, which is used for locking the second sliding seat to the front swing arm.

9. The upper limb joint rehabilitation training device according to claim 8, characterized in that, the second sliding seat is provided with a second clamping groove portion on the side facing the rear swing arm / front swing arm, which is clamped on the outer sides of the two side plates of the front swing arm; the second locking member is a second tightening screw, which is screwed on the side wall of the second clamping groove portion and is used for tightly pressing against the outer side of the side plate of the front swing arm.

10. The upper limb joint rehabilitation training device according to claim 1, characterized in that, Further comprising a base, which is provided with a telescopic stand, and the support is defined on the upper end of the telescopic stand.

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