阅读说明：本技术 肩袖肌群力量训练器 (Rotator cuff muscle group strength training device ) 是由 邢新阳 王睿岩 汪丽华 于 2020-12-24 设计创作，主要内容包括：肩袖肌群力量训练器,本发明涉及力量训练器技术领域；它包含底座、支撑机构和训练机构,底座上侧的左右两侧均悬设有训练机构,训练机构中的固定板一侧壁的前后两侧均分别固定在支撑机构中的插杆上,支撑机构中的螺杆的下端分别穿过底座上侧壁四角上的轴承后,通过轴承与底座下侧壁的四角旋接；两侧的训练机构固定在支撑机构两侧的插杆上,可根据训练者的体型调节插杆的位置,进而调节训练机构的位置,从而适用于不同身形的训练者使用,本发明具有设置合理,制作成本低等优点。(The invention relates to a rotator cuff muscle group strength trainer, which relates to the technical field of strength trainers; the training mechanism is suspended on the left side and the right side of the upper side of the base, the front side and the rear side of one side wall of a fixed plate in the training mechanism are respectively fixed on inserted rods in the supporting mechanism, and the lower ends of screws in the supporting mechanism are respectively screwed with four corners of the lower side wall of the base through bearings after passing through the bearings on the four corners of the upper side wall of the base; the training mechanisms on the two sides are fixed on the insertion rods on the two sides of the supporting mechanism, the positions of the insertion rods can be adjusted according to the body shapes of trainers, and then the positions of the training mechanisms are adjusted, so that the training mechanism is suitable for trainers with different body shapes.)

1. Rotator cuff muscle group strength training equipment which characterized in that: the training mechanism comprises a base (1), a training mechanism (2) and a supporting mechanism (3), wherein the training mechanism (2) is suspended on the left side and the right side of the upper side of the base (1), the front side and the rear side of one side wall of a fixing plate (2-1) in the training mechanism (2) are respectively fixed on an inserted rod (3-1) in the supporting mechanism (3), and the lower end of a screw rod (3-2) in the supporting mechanism (3) is rotatably connected with the four corners of the lower side wall of the base (1) through bearings after respectively penetrating through bearings on the four corners of the upper side wall of the base (1);

the training mechanism (2) further comprises a rocking handle (2-2), a connecting rod (2-3), a limiting ring (2-4), a limiting ring (2-5), a fixed inner ring (2-6), a spring (2-7) and a fixed outer ring (2-8), wherein the fixed outer ring (2-8) is fixed on the side wall of the fixed plate (2-1) far away from the center of the base (1), a plurality of clamping grooves (2-10) are fixed on the inner wall of the fixed outer ring (2-8) in an equiangular manner, clamping plates (2-11) are embedded in the clamping grooves (2-10), the spring (2-7) is fixed on the side wall of one side of each clamping plate (2-11), the other end of each spring (2-7) is fixedly connected with the outer ring wall of the fixed inner ring (2-6), the fixed inner ring (2-6) is sleeved on the rotating rod (2-9), one end of the rotating rod (2-9) is screwed with a limiting ring (2-4) through a thread, the limiting ring (2-4) is arranged in contact with the fixed inner ring (2-6), the other end of the rotating rod (2-9) penetrates through the limiting ring (2-5) and then is fixedly connected with one end of a connecting rod (2-3), the connecting rod (2-3) is arranged in a U shape, the middle end of the connecting rod (2-3) penetrates through a bearing on the fixed plate (2-1) and then is fixedly connected with the rocking handle (2-2), and the limiting ring (2-5) is movably connected with the rotating rod (2-9);

the supporting mechanism (3) also comprises an internal threaded pipe (3-3), rotating wheels (3-4), a first bevel gear (3-5), a second bevel gear (3-6), a rocker (3-7) and sleeves (3-8), the sleeves (3-8) are sleeved on the inserted rod (3-1) and fixed through bolts, the sleeves (3-8) are respectively fixed on the outer annular wall at the upper end of the internal threaded pipe (3-3), the internal threaded pipe (3-3) is sleeved on the screw rod (3-2) and screwed through threads, the rotating wheels (3-4) are all sleeved and fixed on the lower end of the screw rod (3-2), the four rotating wheels (3-4) are connected through a conveyor belt, the rotating wheels (3-4) are arranged inside the base (1), the first bevel gear (3-5) is arranged on the lower side of one rotating wheel (3-4), the first bevel gear (3-5) is sleeved and fixed on the screw rod (3-2), the first bevel gear (3-5) is meshed with the second bevel gear (3-6), the second bevel gear (3-6) is sleeved on the inner end of the rocker (3-7), and the outer end of the rocker (3-7) is exposed outside the base (1) after penetrating through a bearing on the side wall of the base (1).

2. The rotator cuff muscle group strength trainer as claimed in claim 1, wherein: the left end of the rocker (3-7) is fixed with a plum blossom hand wrench (4), the plum blossom hand wrench (4) is suspended outside the base (1), and the rocker (3-7) is driven to rotate by the plum blossom hand wrench (4).

3. The rotator cuff muscle group strength trainer as claimed in claim 1, wherein: the sleeve is characterized in that limiting plates (5) are arranged above the left side and the right side of the base (1), the front side and the rear side of one side wall of each limiting plate (5) on the left side and the right side are respectively fixed at the upper ends of the internal threaded pipes (3-3) on the same side, the front side and the rear side of the side wall of one side, adjacent to the sleeve (3-8), of each limiting plate (5) are respectively fixedly connected with one end of the sleeve (3-8), and the sleeve (3-8) is supported through the limiting plates (5).

4. The rotator cuff muscle group strength trainer as claimed in claim 1, wherein: the four corners of the lower side wall of the base (1) are provided with through holes (6), the through holes (6) are internally provided with universal wheels (7), the upper sides of the universal wheels (7) penetrate through the through holes (6) respectively and then are fixed on the four corners of the lower surface of the movable plate (8), the four corners of the upper surface of the movable plate (8) are fixed with electric push rods (9), the upper ends of the electric push rods (9) are fixed on the inner side wall of the upper side of the base (1), the electric push rods (9) are connected with a storage battery (10), the storage battery (10) is arranged on the inner side wall of the upper side of the base (1), when the base needs to move, the movable plate (8) is pushed downwards through the electric push rods (9), the movable plate (8) drives the universal wheels (7) to move downwards, so that the universal wheels (7) are exposed to the lower side of the base (1), the base (1) is driven by, the movable plate (8) is driven to move upwards through the electric push rod (9), and the movable plate (8) drives the universal wheel (7) to move upwards until the universal wheel (7) is accommodated in the base (1), so that the base (1) is in contact with the ground.

5. The rotator cuff muscle group strength trainer as claimed in claim 4, wherein: base (1) go up the center of lateral wall and be equipped with opening (11), this opening (11) are embedded to be equipped with backup pad (12), the upside of this backup pad (12) outward flange is equipped with protruding circle (13), this protruding circle (13) and backup pad (12) formula structure as an organic whole, protruding circle (13) are inlayed and are established in the concave circle of opening (11) inside upside, the upper surface of backup pad (12) is same horizontal plane setting with the upper surface of base (1), backup pad (12) and battery (10) fixed connection, after the electricity in battery (10) used up, take off the back with backup pad (12), change or charge battery (10).

6. The rotator cuff muscle group strength trainer as claimed in claim 5, wherein: the left and right sides of backup pad (12) upper surface all be equipped with recess (14), this recess (14) are embedded to be equipped with handle (15), this handle (15) and the lower lateral wall fixed connection of recess (14), lift up backup pad (12) upwards through handle (15).

7. The rotator cuff muscle group strength trainer as claimed in claim 1, wherein: the working principle is as follows: when in use, the rotating rocker (3-7) drives the second bevel gear (3-6) to rotate, the second bevel gear (3-6) drives the first bevel gear (3-5) to rotate, the first bevel gear (3-5) drives the screw (3-2) to rotate, the screw (3-2) drives the upper rotating wheel (3-4) to rotate, the rotating wheel (3-4) drives the other three rotating wheels (3-4) to rotate through a conveyor belt, the three rotating wheels (3-4) drive the screw (3-2) inside the screw to rotate, the four screws (3-2) simultaneously drive the internally threaded pipe (3-3) to move up and down until the training mechanisms (2) on the two sides are moved to a proper height, and then the bolt on the sleeve (3-8) is loosened, the position of the inserted rod (3-1) is moved, thereby, the fixing plate (2-1) is driven to move towards the center through the inserted rod (3-1) until the distance between the rocking handles (2-2) at the two sides is the same as the width of the body of a trainer, then the bolt on the sleeve (3-8) is screwed, after the adjustment is well carried out, the trainer stands on the base (1), then the rocking handles (2-2) at the two sides are held by hands, the rocking handles (2-2) are shaken, the rocking handles (2-2) drive the connecting rod (2-3) to rotate, the connecting rod (2-3) drives the rotating rod (2-9) to rotate, the rotating rod (2-9) drives the fixed inner ring (2-6) to rotate, the fixed inner ring (2-6) drives the spring (2-7) to move in the rotating process, when the fixed inner ring (2-6) moves to the upper side inside the fixed outer ring (2-8), the springs (2-7) at the upper side are required to be compressed, the springs (2-7) at the lower side are required to be pulled upwards, when the fixed inner ring (2-6) moves to the rear side in the fixed outer ring (2-8), the springs (2-7) at the rear side are required to be compressed, the springs (2-7) at the front side are required to be pulled towards the rear side, when the fixed inner ring (2-6) moves to the front side in the fixed outer ring (2-8), the springs (2-7) at the front side are required to be compressed, the springs (2-7) at the rear side are pulled towards the front side, the elastic force of the springs (2-7) generates resistance force on the fixed inner ring (2-6), the arm training effect on a trainer is achieved in the rotating process, and when the elastic force of the springs (2-7) is reduced after long use, the clamping plates (2-11) are extracted from the clamping grooves (2-10), the limiting rings (2-4) are screwed off, and the fixed inner rings (2-6) are dismounted, so that the replacement is convenient.

Technical Field

The invention relates to the technical field of strength training devices, in particular to a rotator cuff muscle group strength training device.

Background

The rotator cuff is also called as a rotator cuff and is a group of tendon complex body surrounding the humeral head, the rotator cuff consists of tendons of supraspinatus, infraspinatus, tere minor and infrascapular muscles, is attached to the edges of a greater humerus tubercle and an anatomical humeral neck, the inner surface of the rotator cuff is tightly connected with an articular capsule, the outer surface of the rotator cuff is a deltoid sliding capsule surrounding the upper end of the humeral head, the humeral head can be put into a glenoid to stabilize the joint and assist the abduction of the shoulder joint, and the rotator cuff has a rotating function, more and more people pay more attention to the health of the body along with the improvement of the living standard of people, but because the pace of life of people is accelerated and the pressure of life is increased nowadays, more and more young people do not want to do more energy to move, so that the scapula is easy to be injured, the rotator cuff is trained in the follow-up treatment and then the recovery is accelerated, but the position of the fixing plates at two sides can not be adjusted, improvements are needed.

Disclosure of Invention

The invention aims to provide a rotator cuff muscle group strength trainer which is reasonable in design and convenient to use, aiming at the defects and shortcomings of the prior art, wherein training mechanisms on two sides are fixed on insertion rods on two sides of a supporting mechanism, and the positions of the insertion rods can be adjusted according to the body types of trainees, so that the position of the training mechanism is adjusted, and the rotator cuff muscle group strength trainer is suitable for trainees with different shapes.

In order to achieve the purpose, the invention adopts the technical scheme that: the training mechanism is suspended on the left side and the right side of the upper side of the base, the front side and the rear side of one side wall of a fixed plate in the training mechanism are respectively fixed on inserted rods in the supporting mechanism, and the lower ends of screws in the supporting mechanism are respectively screwed with four corners of the lower side wall of the base through bearings after passing through the bearings on the four corners of the upper side wall of the base;

the training mechanism further comprises a rocking handle, a connecting rod, a limiting ring, a fixed inner ring, a spring and a fixed outer ring, wherein the fixed outer ring is fixed on the side wall of one side of the fixed plate, which is far away from the center of the base, a plurality of clamping grooves are fixed on the inner wall of the fixed outer ring in an equiangular manner, clamping plates are embedded in the clamping grooves, the spring is fixed on the side wall of one side of each clamping plate, the other end of the spring is fixedly connected with the outer ring wall of the fixed inner ring, the fixed inner ring is sleeved on the rotating rod, one end of the rotating rod is screwed with the limiting ring through threads, the limiting ring is in contact arrangement with the fixed inner ring, the other end of the rotating rod penetrates through the limiting ring and is fixedly connected with one end of the connecting rod, the connecting rod is arranged in a U shape, the middle end of the connecting rod;

the support mechanism further comprises an internal thread pipe, rotating wheels, a bevel gear, a second bevel gear, a rocker and a sleeve, the sleeve is sleeved on the inserted rod and fixed through bolts, the sleeve is fixed on the outer annular wall of the upper end of the internal thread pipe respectively, the internal thread pipe is sleeved on the screw rod and connected in a screwing mode through threads, the lower end of the screw rod is sleeved with the rotating wheels, the four rotating wheels are connected through a conveying belt, the rotating wheels are arranged inside the base, one bevel gear is arranged on the lower side of one rotating wheel and sleeved and fixed on the screw rod, the first bevel gear is meshed with the second bevel gear, the second bevel gear is sleeved on the inner end of the rocker, and the outer end of the rocker is exposed outside the base after passing through a bearing on the side wall of the base.

Furthermore, a plum blossom hand wrench is fixed on the left end of the rocker, and the plum blossom hand wrench is hung on the left side of the base.

Furthermore, the top of both sides all is equipped with the limiting plate about the base, both sides are fixed respectively on the upper end of the internal thread pipe with one side around the limiting plate lateral wall of both sides about, both sides are adjacent to the lateral wall of sleeve pipe one side respectively with sheathed tube one end fixed connection around the limiting plate.

Further, the four corners of the lower side wall of the base are provided with through holes, universal wheels are arranged in the through holes, the upper sides of the universal wheels penetrate through the through holes respectively and are fixed to the four corners of the lower surface of the movable plate, the four corners of the upper surface of the movable plate are fixed with electric push rods, the upper ends of the electric push rods are fixed to the inner side wall of the upper side of the base, the electric push rods are connected with a storage battery, and the storage battery is arranged on the inner side wall of the upper side of the base.

Further, the base on the center of lateral wall be equipped with the opening, the embedded backup pad that is equipped with of this opening, the upside of this backup pad outward flange is equipped with protruding circle, this protruding circle and backup pad formula structure as an organic whole, protruding circle inlays to be established in the concave circle of the inside upside of opening, the upper surface of backup pad and the upper surface of base are same horizontal plane setting, backup pad and battery fixed connection.

Furthermore, the left side and the right side of the upper surface of the supporting plate are both provided with grooves, handles are embedded in the grooves, and the handles are fixedly connected with the lower side walls of the grooves.

After adopting the structure, the invention has the beneficial effects that:

1. the training mechanisms on the two sides are fixed on the inserting rods on the two sides of the supporting mechanism, the positions of the inserting rods can be adjusted according to the body shapes of trainers, and then the positions of the training mechanisms are adjusted, so that the training mechanism is suitable for trainers with different shapes;

2. the support mechanism comprises a screw and an internal thread pipe, the internal thread pipe can be driven to move up and down by rotating the screw, and the internal thread pipe drives the training mechanism to move up and down by matching the sleeve and the inserted link, so that the training mechanism is suitable for trainers with different heights;

3. the rocking handle in the training mechanism of the left and right sides is held respectively to the left and right hands, drives the connecting rod through the rocking handle and rotates, and the connecting rod drives the bull stick and rotates, and the bull stick drives fixed inner ring and rotates, and fixed inner ring passes through the spring and is connected with fixed outer loop to make the spring produce the resistance to fixed inner ring, and then play the effect of training at the pivoted in-process.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a top view of fig. 1.

Fig. 3 is an enlarged view of a portion a in fig. 2.

Fig. 4 is a sectional view taken along line B-B in fig. 2.

Fig. 5 is an enlarged view of the portion C in fig. 4.

Fig. 6 is a schematic structural view of a fixing plate according to the present invention.

Fig. 7 is an enlarged view of a portion D in fig. 6.

Description of reference numerals:

the device comprises a base 1, a training mechanism 2, a fixing plate 2-1, a rocking handle 2-2, a connecting rod 2-3, a limiting ring 2-4, a limiting ring 2-5, a fixed inner ring 2-6, a spring 2-7, a fixed outer ring 2-8, a rotating rod 2-9, a clamping groove 2-10, a clamping plate 2-11, a supporting mechanism 3, an inserting rod 3-1, a screw rod 3-2, an internal threaded pipe 3-3, a rotating wheel 3-4, a first bevel gear 3-5, a second bevel gear 3-6, a rocker 3-7, a sleeve 3-8, a quincunx hand wrench 4, a limiting plate 5, a through hole 6, a universal wheel 7, a movable plate 8, an electric push rod 9, a storage battery 10, an opening 11, a supporting plate 12, a convex ring 13, a groove 14 and a handle 15.

The specific implementation mode is as follows:

the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1 to 7, the following technical solutions are adopted in the present embodiment: the training mechanism 2 is suspended on the left side and the right side of the upper side of the base 1, the training mechanism 2 is composed of a fixed plate 2-1, a rocking handle 2-2, a connecting rod 2-3, a limiting ring 2-4, a limiting ring 2-5, a fixed inner ring 2-6, a spring 2-7 and a fixed outer ring 2-8, a fixed outer ring 2-8 is welded and fixed on the side wall of the fixed plate 2-1 far away from the center of the base 1, a plurality of clamping grooves 2-10 are welded and fixed on the inner wall of the fixed outer ring 2-8 at equal angles, clamping plates 2-11 are embedded in the clamping grooves 2-10, springs 2-7 are welded and fixed on the side wall of one side of each clamping plate 2-11, the other ends of the springs 2-7 are welded and fixed with the outer ring wall of the fixed inner ring 2-6 respectively, the fixed inner ring 2-6 is movably sleeved on the rotating rod 2-9, the left end of the rotating rod 2-9 is screwed with the limiting ring 2-4 through threads, the limiting ring 2-4 is contacted with the fixed inner ring 2-6, after one end of the rotating rod 2-9 adjacent to the fixed inner ring 2-6 passes through the limiting ring 2-5, is welded and fixed with the left end of the connecting rod 2-3, the connecting rod 2-3 is arranged in a U shape, the middle end of the connecting rod 2-3 passes through the bearing on the fixed plate 2-1 and then is welded and fixed with the rocking handle 2-2, the bearing is embedded in the fixed plate 2-1, and the outer ring of the bearing is welded and fixed with the inner side wall of the fixed plate 2-1, the inner ring of the connecting rod is fixedly welded with the middle end of the connecting rod 2-3, and the limiting ring 2-5 is movably connected with the rotating rod 2-9;

the front side and the rear side of one side wall of a fixed plate 2-1 in a training mechanism 2 are respectively welded and fixed on insertion rods 3-1 at two sides in a supporting mechanism 3, the lower end of a screw rod 3-2 in the supporting mechanism 3 passes through bearings at four corners of the upper side wall of a base 1 respectively and then is screwed with four corners of the lower side wall of the base 1 through the bearings, the bearings on the upper side wall and the lower side wall of the base 1 are respectively embedded in the upper side wall and the lower side wall of the base 1, the outer ring of the bearing is welded and fixed with the inner side walls at the upper side and the lower side of the base 1; the supporting mechanism 3 also comprises an internal threaded pipe 3-3, rotating wheels 3-4, a first bevel gear 3-5, a second bevel gear 3-6, a rocker 3-7 and a sleeve 3-8, wherein the sleeve 3-8 is sleeved on the inserted rod 3-1 and fixed through bolts, the sleeve 3-8 is respectively welded and fixed on the outer annular wall at the upper end of the internal threaded pipe 3-3, the internal threaded pipe 3-3 is sleeved on the screw rod 3-2 and is screwed through threads, the rotating wheels 3-4 are all sleeved and welded and fixed on the lower end of the screw rod 3-2, the four rotating wheels 3-4 are connected through a conveyor belt, the rotating wheels 3-4 are arranged inside the base 1, the first bevel gear 3-5 is arranged at the lower side of the rotating wheel 3-4 at the left front side, the first bevel gear 3-5 is sleeved and welded and fixed on the screw rod 3-2, the first bevel gear 3-5 and the second bevel gear 3-6 are meshed, the second bevel gear 3-6 is sleeved, welded and fixed on the right end of a rocker 3-7, the left end of the rocker 3-7 passes through a bearing on the left side wall of the base 1 and then is welded and fixed with the quincuncial hand wrench 4, the bearing is embedded in the left side wall of the base 1, the outer ring of the bearing is welded and fixed with the inner side wall on the left side of the base 1, the inner ring of the bearing is welded and fixed with the left end of the rocker 3-7, the rocker 3-7 can be conveniently driven to rotate by the quincuncial hand wrench 4, a limiting plate 5 is arranged above the left side and the right side of the base 1, the front side and the rear side of one side wall of the limiting plate 5 on the left side and the right side are respectively welded and fixed on the upper end of the internally threaded pipe 3-3 on, the stability of the sleeves 3-8 can be increased;

four corners of the lower side wall of the base 1 are all provided with through holes 6, the through holes 6 are all internally provided with universal wheels 7, the upper sides of the universal wheels 7 are respectively fixed on the four corners of the lower surface of the movable plate 8 through bolts after passing through the through holes 6, the four corners of the upper surface of the movable plate 8 are all fixed with electric push rods 9 through bolts, the upper ends of the electric push rods 9 are fixed on the inner side wall of the upper side of the base 1 through bolts, the electric push rods 9 are connected with a storage battery 10, the storage battery 10 is arranged on the inner side wall of the upper side of the base 1, the center of the upper side wall of the base 1 is provided with an opening 11, a support plate 12 is embedded in the opening 11, the upper side of the outer edge of the support plate 12 is integrally formed with a convex ring 13, the convex ring 13 is embedded in a concave ring at the upper side inside the opening, can conveniently change battery 10, recess 14 has all been seted up to the left and right sides of backup pad 12 upper surface, and this recess 14 is embedded to be equipped with handle 15, and this handle 15 passes through bolt and recess 14's lower lateral wall fixed connection, can conveniently pull out backup pad 12 through handle 15.

The working principle of the specific embodiment is as follows: when the universal wheel seat is used, the electric push rod 9 is started, the electric push rod 9 drives the movable plate 8 to move downwards, the movable plate 8 drives the universal wheel 7 to move downwards until the universal wheel 7 abuts against the ground, then the base 1 is pushed upwards until the movable plate 8 abuts against the inner side wall of the lower side of the base 1, then the base 1 is pushed to a required position, then the electric push rod 9 is closed, the electric push rod 9 drives the movable plate 8 to move upwards, the movable plate 8 drives the universal wheel 7 to move upwards until the universal wheel 7 is accommodated in the base 1, the lower side of the base 1 is contacted with the ground, then the quincunx hand wrench 4 is rotated, the quincunx hand wrench 4 drives the second bevel gear 3-6 to rotate, the second bevel gear 3-6 drives the first bevel gear 3-5 to rotate, the first bevel gear 3-5 drives the screw rod 3-2 on the left front side to rotate, and the screw rod 3-2 drives the, the rotating wheel 3-4 drives another three rotating wheels 3-4 to rotate through a conveyor belt, the three rotating wheels 3-4 drive the screw rods 3-2 in the rotating wheels to rotate, the four screw rods 3-2 drive the internally threaded pipes 3-3 to move up and down at the same time until the training mechanisms 2 on the two sides are moved to the proper height, then the position of the inserted rod 3-1 is moved after the bolts on the sleeve 3-8 are loosened, so that the fixed plate 2-1 can be driven by the inserted rod 3-1 to move towards the center until the distance between the rocking handles 2-2 on the two sides is the same as the width of the body of a trainer, then the bolts on the sleeve 3-8 are screwed, after the adjustment is completed, the trainer stands on the base 1, then holds the rocking handles 2-2 on the two sides, rocks the rocking handles 2-2, and the rocking handles 2-2 drive the connecting rod 2-3 to, the connecting rod 2-3 drives the rotating rod 2-9 to rotate, the rotating rod 2-9 drives the fixed inner ring 2-6 to rotate, the fixed inner ring 2-6 drives the spring 2-7 to move in the rotating process, when the fixed inner ring 2-6 moves to the upper side inside the fixed outer ring 2-8, the spring 2-7 at the upper side needs to be compressed, the spring 2-7 at the lower side needs to be pulled upwards, when the fixed inner ring 2-6 moves to the rear side inside the fixed outer ring 2-8, the spring 2-7 at the rear side needs to be compressed, the spring 2-7 at the front side needs to be pulled towards the rear side, when the fixed inner ring 2-6 moves to the front side inside the fixed outer ring 2-8, the spring 2-7 at the front side needs to be compressed, the spring 2-7 at the rear side needs to be pulled towards the front side, and resistance is generated on the fixed inner ring 2-6 through the elasticity of the spring 2-7, and then the arm of the trainer is trained in the rotating process, after the rotation device is used for a long time, the elasticity of the spring 2-7 is reduced, the clamping plate 2-11 can be drawn out from the clamping groove 2-10, the limiting ring 2-4 is screwed off, and the fixed inner ring 2-6 is detached, so that the replacement is convenient.

After adopting above-mentioned structure, this embodiment's beneficial effect is as follows:

1. the training mechanisms 2 on the two sides are fixed on the inserted rods 3-1 on the two sides of the supporting mechanism 3, the positions of the inserted rods 3-1 can be adjusted according to the body types of trainers, and then the positions of the training mechanisms 2 are adjusted, so that the training mechanism is suitable for trainers with different body shapes;

2. the supporting mechanism 3 comprises a screw rod 3-2 and an internal threaded pipe 3-3, the internal threaded pipe 3-3 can be driven to move up and down by rotating the screw rod 3-2, and the internal threaded pipe 3-3 drives the training mechanism 2 to move up and down by matching the sleeve 3-8 and the inserted link 3-1, so that the training mechanism is suitable for trainers with different heights;

3. the left hand and the right hand respectively hold rocking handles 2-2 in the training mechanisms 2 on the left side and the right side, the rocking handles 2-2 drive connecting rods 2-3 to rotate, the connecting rods 2-3 drive rotating rods 2-9 to rotate, the rotating rods 2-9 drive fixed inner rings 2-6 to rotate, and the fixed inner rings 2-6 are connected with fixed outer rings 2-8 through springs 2-7, so that the springs 2-7 generate resistance on the fixed inner rings 2-6, and a training effect is achieved in the rotating process;

4. the interior of the base 1 is connected with a movable plate 8 through an electric push rod 9, the movable plate 8 can drive the universal wheel 7 to move downwards until the universal wheel 7 is pushed to the lower side of the base 1, so that the movement is convenient, and after the movable plate is moved to a proper position, the universal wheel 7 is retracted into the base 1 through the electric push rod 9, so that the stability can be improved;

5. the electric push rod 9 is connected with the storage battery 10, and the electric push rod 9 can be supplied with electric energy through the storage battery 10, so that the operation is convenient.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.