CN114618123B - Knee-shoulder-forearm rotary muscle group strength training apparatus - Google Patents
Knee-shoulder-forearm rotary muscle group strength training apparatusInfo
- Publication number
- CN114618123B CN114618123B CN202210455271.0A CN202210455271A CN114618123B CN 114618123 B CN114618123 B CN 114618123B CN 202210455271 A CN202210455271 A CN 202210455271A CN 114618123 B CN114618123 B CN 114618123B
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- China
- Prior art keywords
- shoulder
- knee
- forearm
- switching
- steel wire
- Prior art date
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Classifications
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B22/00—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements
- A63B22/06—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements with support elements performing a rotating cycling movement, i.e. a closed path movement
- A63B22/0605—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements with support elements performing a rotating cycling movement, i.e. a closed path movement performing a circular movement, e.g. ergometers
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B21/00—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices
- A63B21/06—User-manipulated weights
- A63B21/062—User-manipulated weights including guide for vertical or non-vertical weights or array of weights to move against gravity forces
- A63B21/0626—User-manipulated weights including guide for vertical or non-vertical weights or array of weights to move against gravity forces with substantially vertical guiding means
- A63B21/0628—User-manipulated weights including guide for vertical or non-vertical weights or array of weights to move against gravity forces with substantially vertical guiding means for vertical array of weights
- A63B21/0632—User-manipulated weights including guide for vertical or non-vertical weights or array of weights to move against gravity forces with substantially vertical guiding means for vertical array of weights the weights being lifted by rigid means
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B22/00—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements
- A63B22/20—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements using rollers, wheels, castors or the like, e.g. gliding means, to be moved over the floor or other surface, e.g. guide tracks, during exercising
- A63B22/201—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements using rollers, wheels, castors or the like, e.g. gliding means, to be moved over the floor or other surface, e.g. guide tracks, during exercising for moving a support element in reciprocating translation, i.e. for sliding back and forth on a guide track
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B23/00—Exercising apparatus specially adapted for particular parts of the body
- A63B23/035—Exercising apparatus specially adapted for particular parts of the body for limbs, i.e. upper or lower limbs, e.g. simultaneously
- A63B23/0355—A single apparatus used for either upper or lower limbs, i.e. with a set of support elements driven either by the upper or the lower limb or limbs
- A63B23/03558—Compound apparatus having multiple stations allowing an user to exercise different limbs
- A63B23/03566—Compound apparatus having multiple stations allowing an user to exercise different limbs the multiple stations having a common resistance device
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B22/00—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements
- A63B22/20—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements using rollers, wheels, castors or the like, e.g. gliding means, to be moved over the floor or other surface, e.g. guide tracks, during exercising
- A63B22/201—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements using rollers, wheels, castors or the like, e.g. gliding means, to be moved over the floor or other surface, e.g. guide tracks, during exercising for moving a support element in reciprocating translation, i.e. for sliding back and forth on a guide track
- A63B2022/206—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements using rollers, wheels, castors or the like, e.g. gliding means, to be moved over the floor or other surface, e.g. guide tracks, during exercising for moving a support element in reciprocating translation, i.e. for sliding back and forth on a guide track on a curved path
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- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Physical Education & Sports Medicine (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Cardiology (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biophysics (AREA)
- Rehabilitation Tools (AREA)
Abstract
本发明公开了一种膝‑肩‑前臂旋转肌群力量训练器械，包括座椅、膝关节训练装置、肩关节训练装置和前臂训练装置，所述膝关节训练装置、肩关节训练装置和前臂训练装置通过切换装置共用一个阻力机构，实现三种训练方式的切换。本发明所述训练器械可以对膝关节、肩关节、前臂三个部位的旋转肌群肌肉力量进行有针对性的抗阻训练，并且使用者在训练过程中可以很方便地切换膝关节、肩关节、前臂三个部位旋转肌群的训练，甚至可以同时训练，无需移动至其他器械训练，使用更为简便。
The present invention discloses a knee-shoulder-forearm rotator cuff strength training device, comprising a seat, a knee joint training device, a shoulder joint training device, and a forearm training device. The knee joint training device, the shoulder joint training device, and the forearm training device share a resistance mechanism via a switching device, enabling switching between three training modes. The training device of the present invention can provide targeted resistance training for the rotator cuff muscles of the knee, shoulder, and forearm. During training, the user can easily switch between training the three rotator cuff muscles, even simultaneously, without having to move to other equipment for training, making it easier to use.
Description
Technical Field
The invention relates to the technical field of sports fitness equipment, in particular to a knee-shoulder-forearm rotary muscle group strength training device.
Background
The strength quality is the most basic physical quality of the human body for maintaining exercise, and is also the basis of other physical quality such as speed, endurance, sensitivity and the like, and has important functions of promoting the physical health of common people and improving the competence of athletes, so that the strength quality of people is always focused on and enhanced by expert students in national policies.
Muscle strength training has been an important role for the rest of fitness people and athletes, and the enhancement of muscle strength is an important means for the rest of fitness people to shape the body and for athletes to improve the athletic level. Currently, most of the muscular strength training in the field of body building and sports is more focused on training of the extensor group of joints, but neglects training of the rotary muscles of the reinforcing joints. Although the extensor muscle group of the joint is the muscle group with the most use, practicability and most functionality of the human body, for some physical activities with a large range of joint motions, the rotary muscle group of the knee, the shoulder and the forearm has important effects on the stability of the overall action and the prevention of sports injury, however, few special devices for training the rotary muscle group of the joint are on the market at present, on the other hand, the related devices on the market have single functions, and generally have one function corresponding to one device. At present, no relevant report is available on instruments capable of performing targeted training on knee, shoulder and forearm rotary muscle groups on the market.
Disclosure of Invention
The invention aims to solve the technical problem of providing a knee-shoulder-forearm rotary muscle group strength training instrument which can effectively train rotary muscle groups of knee joints, shoulder joints and forearms so as to achieve the purposes of strengthening the rotary muscle group strength and preventing sports injury.
In order to solve the technical problems, the invention adopts the following technical scheme:
the utility model provides a knee-shoulder-forearm rotary muscle crowd strength training apparatus, includes seat, knee joint trainer, shoulder joint trainer and forearm trainer share a resistance mechanism through switching device, realizes the switching of three kinds of training modes, wherein:
The knee joint training device comprises a knee supporting mechanism, a pedal plate and a knee transmission mechanism which enables the pedal plate to rotate left and right by taking the heel position of the pedal plate as a fulcrum, wherein the knee transmission mechanism comprises a roller guide rail pair arranged below the pedal plate, a knee step gear, a knee spline tooth shaft sleeve part meshed with the knee step gear, a knee steel wire wheel fixedly arranged on the knee spline tooth shaft sleeve part and a knee belt seat bearing used for installing the knee step gear and the knee spline tooth shaft sleeve part;
the shoulder joint training device comprises a shoulder supporting mechanism, a horizontal rotating operating rod and a shoulder transmission mechanism for enabling the horizontal rotating operating rod to horizontally rotate, wherein the shoulder transmission mechanism comprises a shoulder step gear arranged below the horizontal rotating operating rod, a shoulder spline tooth shaft sleeve piece meshed with the shoulder step gear, a shoulder steel wire wheel fixedly arranged on the shoulder spline tooth shaft sleeve piece, and a shoulder belt seat bearing for installing the shoulder step gear and the shoulder spline tooth shaft sleeve piece;
The forearm training device comprises a forearm supporting seat and two forearm step gears which are mutually meshed and arranged on the forearm supporting seat, wherein a rotating handle is arranged on a gear shaft of one forearm step gear, and a forearm wire wheel is arranged on the other forearm step gear;
the resistance mechanism comprises a counterweight supporting frame and a counterweight block arranged on the counterweight supporting frame;
The switching device comprises a switching support, a switching bolt and a guide sliding block which is arranged in the switching support and can reciprocate in the switching support, wherein a counterweight steel wire is fixed at one end of the guide sliding block, the other end of the counterweight steel wire is connected with a counterweight block in a resistance mechanism, three channels parallel to the reciprocating direction of the guide sliding block are arranged in the guide sliding block, three through holes which are respectively communicated with the three channels are arranged on the switching support, a pull rod is respectively arranged in each channel, switching jacks are arranged on the same sides of the pull rod and the guide sliding block, on which the counterweight steel wire is arranged, the switching bolt is inserted from the through holes on the switching support and then enters the switching jacks on the corresponding pull rod, and the other sides of the pull rods are respectively connected and fixed with steel wires from all training devices.
Further, the foot pedal consists of a front pedal, a rear pedal and a connecting rod for connecting the front pedal and the rear pedal. And further, the pedal baffles are preferably arranged on the left side and the right side of the rear pedal, so that the feet of a trainer are more stable.
Furthermore, the knee wire wheel and the shoulder wire wheel are both wire wheels with spline shafts at the centers and are respectively matched with spline gears in the knee spline tooth shaft sleeve and the shoulder spline tooth shaft sleeve, so that the knee wire wheel and the shoulder wire wheel can be respectively inlaid in the spline gears in the knee spline tooth shaft sleeve and the shoulder spline tooth shaft sleeve to be fixed.
Further, the roller guide rail pair comprises an annular rail and a sliding module arranged on the annular rail, and the sliding module realizes the movement of the sliding module on the annular rail through rollers.
Further, the horizontal rotary operation rod comprises a long operation rod, a limiting plug pin and a short operation rod sleeved in the long operation rod, a handle is arranged at one end, far away from the long operation rod, of the short operation rod, limiting insertion holes are formed in corresponding positions of the long operation rod and the short operation rod, and the length of the horizontal rotary operation rod is fixed after the limiting plug pin is inserted into the limiting insertion holes. More preferably, two elbow baffles are provided at the end of the long lever remote from the short lever to fix the elbows.
Further, the gear shaft of the forearm stepped gear to be provided with the rotary handle is selected to be a hexagonal shaft, and the installation hole of the rotary handle is correspondingly provided with a plum blossom hole, so that the rotary handle can be installed in a plurality of angles after being taken out.
Further, the guide piece is a fixed pulley. The guiding of the wire direction may be achieved by means of a fixed pulley or a plurality of fixed pulleys.
Further, the legs of the seat are preferably height adjustable legs, thereby allowing for adjustment of the seat height.
Furthermore, the number of the knee joint training device, the shoulder joint training device, the forearm training device, the switching device and the resistance mechanism is two, and the knee joint training device, the shoulder joint training device, the forearm training device, the switching device and the resistance mechanism are symmetrically arranged on the left side and the right side of the seat respectively.
From the aspect of structural integrity, it is preferable that the seat, the knee joint training device, the shoulder joint training device, the forearm training device, the switching device and the resistance mechanism are all mounted on one base, and the knee joint training device, the shoulder joint training device, the forearm training device, the switching device, the resistance mechanism and the like can be mounted on the base through corresponding supporting mechanisms.
Compared with the prior art, the invention is characterized in that:
1. The training instrument provided by the invention is functionally independent of the training of knee joints, shoulder joints and forearm rotary muscle groups, but the whole structure of the instrument is integrated, so that the occupied space can be saved.
2. The training instrument can perform targeted anti-resistance training on the muscle strength of the rotary muscle groups of the knee joint, the shoulder joint and the forearm, and a user can conveniently switch the training of the rotary muscle groups of the knee joint, the shoulder joint and the forearm in the training process, even can train simultaneously, does not need to move to other instruments for training, and is simpler and more convenient to use.
3. The training device is beneficial to body shaping of body building people and rehabilitation training of sports injury people, and improvement of athletic sports ability of athletes.
Drawings
FIG. 1 is a schematic view of a knee-shoulder-forearm rotary muscle group strength training apparatus according to one embodiment of the invention.
Fig. 2 is a schematic top view of the knee joint training apparatus of the embodiment of fig. 1.
Fig. 3 is a schematic perspective view of a sliding module in the knee joint training apparatus according to the embodiment shown in fig. 1.
Fig. 4 is a schematic view showing an assembled structure of a sliding module in the knee joint training apparatus according to the embodiment shown in fig. 1.
Fig. 5 is a schematic top view of the shoulder joint training device of the embodiment of fig. 1.
Fig. 6 is an assembled structure view of the shoulder joint training device according to the embodiment shown in fig. 1.
Fig. 7 is a schematic view of a horizontal rotation lever in the shoulder training device according to the embodiment shown in fig. 1.
Fig. 8 is an assembled structural view of the forearm training device in the embodiment shown in fig. 1.
Fig. 9 is a southeast axial schematic view of a switching bracket in the switching device in the embodiment shown in fig. 1.
Fig. 10 is a schematic southwest axial side view of a switching bracket in the switching device in the embodiment shown in fig. 1.
Fig. 11 is a schematic perspective view of a guide slider in the switching device according to the embodiment shown in fig. 1.
Fig. 12 is a schematic perspective view of a pull rod in the switching device according to the embodiment shown in fig. 1.
The reference numerals in the figures are:
The device comprises a guide rail supporting seat, a2 arc guide rail, a3 sliding module, a 31 roller, a 32 rectangular block, a 33 fixing screw, a 34 nut, a4 knee seated bearing, a5 knee driving steel wire, a6 knee steel wire wheel, a 7 knee stepped gear, an 8 pedal, a 81 front pedal, a 82 rear pedal, a 83 pedal baffle plate, a 9 hollow supporting seat, a 10 small supporting seat, a 11 guide piece, a 12 shoulder driving steel wire, a 13 shoulder seated bearing, a 14 shoulder stepped gear, a 15 horizontal rotating operation rod, a 151 elbow baffle plate, a 152 limiting bolt, a 153 long operation rod, a 154 short operation rod, a 155 handle, a 16 shoulder supporting frame, a 17 pulley supporting seat, a 18 front arm supporting seat, a 19 bearing, a 20 rotating handle, a 21 hexagonal head shaft, a 22 switching supporting seat, a 23 switching device, a 231 switching bracket, a 232 switching bolt, a 233 channel, a 234 through hole, a 235 guiding slide block, a 236 pull rod, a 2361 switching jack, a 24 counterweight supporting seat, a 25 balancing weight, a 26 seat, a 27 base, a 28 front arm driving steel wire, a 29 front arm stepped gear and a 30 front arm steel wire wheel.
Detailed Description
In order to better explain the technical scheme of the invention, the invention is described in further detail below with reference to the accompanying drawings, but the embodiment of the invention is not limited thereto.
As shown in FIG. 1, the knee-shoulder-forearm rotary muscle group strength training apparatus of the invention comprises a base 27, and a seat 26, a knee joint training device, a shoulder joint training device, a forearm training device, a switching device 23 and a resistance mechanism which are arranged on the base 27 and used for a trainer to sit on for training, wherein the knee joint training device, the shoulder joint training device and the forearm training device share one resistance mechanism through the switching device 23 to realize switching of three training modes, and the number of the knee joint training device, the shoulder joint training device, the forearm training device, the switching device 23 and the resistance mechanism is two, and the knee joint training device, the shoulder joint training device, the forearm training device, the switching device 23 and the resistance mechanism are respectively and symmetrically arranged on the left side and the right side of the seat 26 by taking the longitudinal center line of the seat 26 as the center. The base 27 serves as a base support structure for all other devices, providing stability in large area contact with the ground.
As shown in fig. 2, 3 and 4, the knee joint training device in the training apparatus of the present invention comprises a knee supporting mechanism, a foot pedal 8 and a knee transmission mechanism for enabling the foot pedal 8 to rotate left and right by taking the heel position as a fulcrum, wherein the knee transmission mechanism comprises a roller guide rail pair arranged below the foot pedal 8, a knee step gear 7, a knee spline tooth shaft sleeve piece meshed with the knee step gear 7, a knee wire wheel 6 fixedly arranged on the knee step gear 7 and a knee belt seat bearing 4 for installing the knee step gear 7 and the knee spline tooth shaft sleeve piece, the knee step gear 7 is arranged on a gear shaft fixedly connected to the back of the heel of the foot pedal 8, a knee transmission wire 5 is wound on the knee wire wheel 6, the knee transmission wire 5 is connected with a switching device 23 through a guide 11, and the knee transmission wire 5 can pull the knee transmission wire 5 when rotating. Specific:
The supporting structure comprises a guide rail supporting seat 1, a hollow supporting seat 9 and a small supporting seat 10, wherein the guide rail supporting seat 1 provides supporting points for the arc-shaped guide rail 2, the hollow supporting seat 9 and the small supporting seat 10 provide supporting points for guide pieces 11, 3 guide pieces 11 are used in the knee joint training device, and the guide pieces 11 are fixed pulleys. The supporting surface of the guide rail supporting seat 1 is designed to be arc-shaped and is consistent with the radian of the arc-shaped guide rail 2, so that the support is provided for the arc-shaped guide rail 2. In the embodiment shown in fig. 1, the hollow support seat 9 has an upper support surface and a lower support surface, which are connected by four struts, and the interior is a hollow structure, and 2 of the 3 guides 11 are respectively disposed on the upper support surface and the lower support surface. The 3 fixed pulleys change the direction of the two force conduction, and finally the horizontal pulling force is changed into the vertical pulling force through the knee transmission steel wire 5 sleeved on the fixed pulleys, so that the balancing weight 25 in the resistance mechanism is pulled, and the resistance required by training is formed. The small supporting seat 10 is provided on the switching supporting seat 22 for placing the switching bracket 231.
The foot rest 8 provides support for the feet of the trainer. The foot pedal 8 is composed of a front pedal 81, a rear pedal 82, and a connecting rod connecting the front pedal 81 and the rear pedal 82. Preferably, the front pedal 81 has an arch structure, more preferably, pedal baffles 83 are arranged on the left side and the right side of the rear pedal 82 on the basis of the arch structure, so that the feet of a trainer can penetrate into the pedal 8 to stabilize the feet. The foot rest 8 is mounted in a position where the feet of the trainer are comfortably seated when sitting in the seat 26.
The roller guide rail pair comprises an annular rail and a sliding module 3 arranged on the annular rail, wherein the arc guide rail 2 is fixed on the guide rail supporting seat 1, the sliding module 3 is fixedly connected to the sole part of the pedal plate 8, in the embodiment shown in fig. 1, the sliding module 3 is fixedly connected to the front pedal 81 of the pedal plate 8, and the sliding on the annular rail is realized through rollers 31 arranged on the sliding module. The sliding module 3 is composed of a rectangular block 32, a fixing screw 33, a nut 34 and rollers 31 mounted on the rectangular block 32, wherein the nut 34 and the fixing screw 33 are used for fixing 4 rollers 31 on the rectangular block 32, and the 4 rollers 31 can be clamped on the arc-shaped guide rail 2 to roll, as shown in fig. 3. The 2 knee seated bearings 4 for mounting the knee step gear 7 and the knee spline shaft kit are all mounted on the base 27, and they are all outer spherical bearings which can bear axial and radial forces and can bear pressure from both feet. One of the knee-mounted bearings 4 is provided with a gear shaft which passes through the knee-step gear 7 and is fixedly connected to the back surface of the rear pedal 82 of the foot pedal 8, so that the foot pedal 8 and the knee-step gear 7 form linkage and the foot pedal 8 can freely rotate left and right by taking the heel position as a fulcrum. The other knee belt seat bearing 4 is internally provided with a knee spline tooth shaft sleeve and a knee wire wheel 6, the knee spline tooth shaft sleeve comprises a spline gear and a spline shaft, the center of the knee wire wheel 6 is provided with the spline shaft, the spline gear in the knee spline tooth shaft sleeve is meshed with a knee step gear 7 beside the spline gear, the center of the spline gear in the knee spline tooth shaft sleeve is of a spline structure and is matched with the spline shaft at the center of the knee wire wheel 6 above the spline gear, so that the knee wire wheel 6 can be inlaid in the spline gear to be fixed.
The trainer penetrates the pedal plate 8 with feet, when the pedal plate 8 horizontally rotates, the rotating movement taking the position of the heel as a fixed point can be realized under the help of the sliding module 3, and the knee step gear 7 below the heel rotates while the pedal plate rotates, so that the knee spline gear suite and the knee steel wire wheel 6 on the knee spline gear suite are driven to rotate, the switching device 23 is driven by the knee transmission steel wire 5 of the knee steel wire wheel 6, and the balancing weight 25 in the resistance mechanism is driven to operate by the balancing weight steel wire in the switching device 23, so that the training of the knee joint rotating muscle group is realized.
As shown in fig. 5 to 7, the shoulder joint training device in the training apparatus of the present invention comprises a shoulder supporting mechanism, a horizontal rotation operation rod 15 and a shoulder transmission mechanism for horizontally rotating the horizontal rotation operation rod 15, wherein the shoulder transmission mechanism comprises a shoulder step gear 14 arranged below the horizontal rotation operation rod 15, a shoulder spline tooth shaft sleeve piece meshed with the shoulder step gear 14, a shoulder wire wheel fixedly arranged on the shoulder spline tooth shaft sleeve piece, and a shoulder belt seat bearing 13 for installing the shoulder step gear 14 and the shoulder spline tooth shaft sleeve piece, the shoulder step gear 14 is arranged on a gear shaft fixedly connected on the back surface of the horizontal rotation operation rod 15, a shoulder transmission wire 12 is wound on the shoulder wire wheel, the shoulder transmission wire 12 is connected with a switching device 23 through a guide piece 11, and the shoulder transmission wire 12 can pull the shoulder transmission wire 12 when rotating. Wherein:
The shoulder support mechanism includes a shoulder support frame 16 and a pulley support column 17, which are both mounted on a base 27, wherein the shoulder support frame 16 provides support for the shoulder transmission mechanism and the pulley support column 17 provides support for the guide 11, which may be in particular a cylindrical or square configuration. In the shoulder training device, 2 guides 11 are used in total, and the guides 11 are specifically fixed pulleys. One of the pulley support columns 17 is disposed on the switching support seat 22 for placing the switching support 231. The guide 11 has the function of changing the direction of the conduction force of the shoulder wire 12, the guide 11 is consistent with the height of the shoulder wire 12 on the shoulder wire wheel, and the function of changing the direction of the conduction force of the shoulder wire 12 twice so as to change the vertical gravity of the balancing weight 25 into horizontal resistance, so that the balancing weight 25 can be pulled upwards when the instrument works.
The 2 shoulder-mounted bearings 13 for mounting the shoulder step gear 14 and the shoulder spline shaft kit are mounted on the shoulder support frame 16. One of the shoulder bearing 13 is provided with a gear shaft which passes through the shoulder step gear 14 and is fixedly connected to the back surface of the horizontal rotation operating rod 15, so that the horizontal rotation operating rod 15 horizontally rotates under the cooperation of the shoulder bearing 13 and the shoulder step gear 14 below. The other shoulder belt seat bearing 13 is internally provided with a shoulder spline tooth shaft sleeve and a shoulder wire wheel, the shoulder spline tooth shaft sleeve comprises a spline gear and a spline shaft, the center of the shoulder wire wheel is provided with the spline shaft, the spline gear in the shoulder spline tooth shaft sleeve is consistent in installation height with the shoulder step gear 14 beside the spline gear and meshed with the spline gear, the center of the spline gear in the shoulder spline tooth shaft sleeve is of a spline structure, and the spline gear is matched with the spline shaft at the center of the shoulder wire wheel above the spline gear, so that the shoulder wire wheel can be inlaid into the spline gear to be fixed.
The horizontal rotary lever 15 can be designed in a length-adjustable manner. In the embodiment shown in fig. 1, the horizontal rotary operating rod 15 includes a long operating rod 153, a limiting latch 152, and a short operating rod 154 sleeved in the long operating rod 153, a grip 155 is disposed at one end of the short operating rod 154 far away from the long operating rod 153, limiting insertion holes are formed at corresponding positions of the long operating rod 153 and the short operating rod 154, and a pull limiting latch is inserted into the limiting insertion holes to fix the length of the horizontal rotary operating rod 15, so that a trainer can conveniently adjust the length of the horizontal rotary operating rod 15 according to the arm length. Further, two elbow baffles 151 may be provided at an end of the long lever 153 remote from the short lever 154 for fixing the elbows. When the horizontal rotation operation rod 15 rotates horizontally by taking the gear shaft on the shoulder step gear 14 as the shaft, the shoulder step gear 14 rotates at the same angular speed and drives the spline gear in the shoulder spline gear shaft sleeve engaged with the shoulder step gear 14 to rotate, then drives the shoulder spline gear sleeve and the shoulder steel wire wheel thereon to rotate, then drives the switching device 23 through the shoulder transmission steel wire 12 of the shoulder steel wire wheel, and drives the balancing weight 25 in the resistance mechanism to operate through the counterweight steel wire in the switching device 23, so as to realize the training of the shoulder joint rotary muscle group.
The installation position of the horizontal rotation operation lever 15 is a place where a trainer sits on the seat 26 naturally and comfortably. From the standpoint of material, the horizontal rotation lever 15 is preferably hollow stainless steel.
As shown in fig. 8, the forearm training device in the training apparatus of the invention comprises a forearm support base 18 and two forearm step gears 29 which are mounted on the forearm support base 18 and meshed with each other, wherein the forearm support base 18 is hollow cylindrical, and the bottom is mounted on a base 27 through screws to provide support for a plurality of parts in the forearm training device. The two forearm step gears 29 are mounted on the middle upper portion of the forearm support base 18, specifically, 4 circular bosses capable of embedding the bearing 19 are formed on the middle upper portion of the forearm support base 18, bearing holes are formed in the centers of the circular bosses, and in order to enable the two forearm step gears 29 to be meshed in the forearm support base 18, the distances between the centers of the four circular bosses at the top are designed to be just the distances which can be meshed after the gears are placed in the circular bosses. The top of the structure is evacuated to facilitate the installation of the forearm step gear 29. A rotating handle 20 is mounted on a gear shaft of one of the forearm step gears 29, the rotating handle 20 is preferably mounted on the forearm step gear 29 through a hexagonal head shaft 21, a forearm wire wheel 30 is sleeved on a gear shaft of the other forearm step gear 29, a forearm transmission wire 28 is wound on the forearm wire wheel 30, the forearm transmission wire 28 is connected with the switching device 23 through a guide piece 11, and the forearm transmission wire 28 can pull the forearm transmission wire 28 when rotating. In the forearm training device 2 guides 11 are used in total, said guides 11 being in particular fixed pulleys. One of which is provided on the forearm support base 18 (the side panel of the forearm support base 18 is provided with a hole which can pass through the forearm transmission wire 28, the front panel is cut off to mount the fixed pulley), and the other of which is provided on the switching support base 22 for placing the switching support 231.
The rotating handle 20 in the forearm training device may be a hand-holding member, such as a cross bar, preferably the rotating handle 20 is formed by connecting a holding body, connecting protrusions at two ends and a cross beam, the center of the cross beam is perforated with a plum blossom hole, which allows the rotating handle to be rotated by a plurality of angles after being taken out and then inserted into the hexagonal head shaft 21, and the hexagonal head shaft 21 is connected and fixed with the forearm step gear 29 at the rear thereof, so that the vertical rotation of the rotating handle 20 is synchronized with the rotation of the forearm step gear 29. When the rotary handle 20 rotates, the force generated by rotation is transmitted to the forearm wire wheel 30 through the action of the two forearm step gears 29, the forearm transmission wire 28 of the forearm wire wheel 30 drives the switching device 23, and the counterweight 25 in the resistance mechanism is driven to operate through the counterweight wire in the switching device 23, so that the training of forearm rotary muscle group is realized.
The resistance mechanism comprises a counterweight support frame 24 and a counterweight block 25 arranged on the counterweight support frame 24, wherein the counterweight block 25 can switch different weights according to the requirement.
The key function of the switching device 23 in the training apparatus of the present invention is to integrate the resistance sources of the knee joint training device, the shoulder joint training device and the forearm training device, i.e. the three training devices share one resistance source, and the balancing weight 25 in the resistance mechanism is used as the resistance source. As shown in fig. 9 to 11, the switching device 23 in the training apparatus of the present invention includes a hollow switching bracket 231, three switching pins 232, and a guiding slider 235 disposed in the switching bracket 231 and capable of reciprocating in the switching bracket 231, wherein the switching bracket 231 is mounted on the base 27 through the switching support seat 22, one end of the guiding slider 235 is fixed with a counterweight wire, the other end of the counterweight wire passes through the counterweight support frame 24 and is connected with the counterweight 25 thereon, three channels 233 parallel to the reciprocating direction of the guiding slider 235 are formed in the guiding slider 235, three through holes 234 respectively communicating with the three channels 233 are formed in the switching bracket 231, and a pull rod 236 is respectively disposed in the channels 233, and the structure of the pull rod 236 is shown in fig. 12. The knee joint training device, the shoulder joint training device and the forearm training device are connected with the resistance mechanism through three pull rods 236, specifically, the same side of each pull rod 236, on which the counterweight steel wire is arranged, is provided with a switching jack 2361, the switching plug 232 is inserted from a through hole 234 on the switching support 231 and then enters the switching jack 2361 on the corresponding pull rod 236, and the other side of each pull rod 236 is respectively connected and fixed with the knee transmission steel wire 5, the shoulder transmission steel wire 12 and the forearm transmission steel wire 28 from the knee joint training device, the shoulder joint training device and the forearm training device. When the switching bolt 232 is inserted from the through hole 234 on the switching bracket 231 and then enters the switching jack 2361 on the corresponding pull rod 236, the knee joint training device, the shoulder joint training device or the forearm training device is locked, otherwise, the switching bolt 232 is taken out to unlock the corresponding training device.
The seat 26 in the exercise apparatus of the present invention may be a conventional height-adjustable or non-adjustable seat 26. When the seat 26 is a height adjustable seat 26, the legs of the seat 26 may be designed as height adjustable telescoping rod legs to allow for adjustment of the height of the seat 26.
Claims (8)
1. The utility model provides a knee-shoulder-forearm rotary muscle crowd strength training apparatus, includes seat (26), knee joint trainer, shoulder joint trainer and forearm trainer, its characterized in that, knee joint trainer, shoulder joint trainer and forearm trainer share a resistance mechanism through switching device (23), realizes the switching of three kinds of training modes, wherein:
The knee joint training device comprises a knee supporting mechanism, a pedal plate (8) and a knee transmission mechanism which enables the pedal plate (8) to rotate left and right by taking the heel position of the pedal plate as a fulcrum, wherein the knee transmission mechanism comprises a roller guide rail pair, a knee step gear (7), a knee spline tooth shaft sleeve piece meshed with the knee step gear (7), a knee steel wire wheel (6) fixedly arranged on the knee spline tooth shaft sleeve piece and a knee belt seat bearing (4) used for installing the knee step gear (7) and the knee spline tooth shaft sleeve piece, the knee step gear (7) is arranged on a gear shaft fixedly connected to the back of the heel of the pedal plate (8), a transmission steel wire (5) is wound on the knee steel wire wheel (6), and the knee transmission steel wire (5) is connected with a switching device (23) through a guide piece (11), the pedal plate (8) consists of a front pedal (81), a rear pedal (82) and a connecting rod for connecting the front pedal (81) and the rear pedal (82), the roller guide rail pair comprises a circular track and a circular track (3), and the circular track (3) is realized on the circular track (31);
The shoulder joint training device comprises a shoulder supporting mechanism, a horizontal rotating operation rod (15) and a shoulder transmission mechanism for enabling the horizontal rotating operation rod (15) to horizontally rotate, wherein the shoulder transmission mechanism comprises a shoulder step gear (14) arranged below the horizontal rotating operation rod (15), a shoulder spline tooth shaft sleeve piece meshed with the shoulder step gear (14), a shoulder steel wire wheel fixedly arranged on the shoulder spline tooth shaft sleeve piece, and a shoulder belt seat bearing (13) for installing the shoulder step gear (14) and the shoulder spline tooth shaft sleeve piece, the shoulder step gear (14) is arranged on a gear shaft fixedly connected to the back of the horizontal rotating operation rod (15), a shoulder transmission steel wire (12) is wound on the shoulder steel wire wheel, and the shoulder transmission steel wire (12) is connected with a switching device (23) through a guide piece (11);
The forearm training device comprises a forearm supporting seat (18) and two forearm step gears (29) which are mutually meshed and arranged on the forearm supporting seat (18), wherein a rotary handle (20) is arranged on a gear shaft of one forearm step gear (29), and a forearm wire wheel (30) is arranged on the other forearm step gear (29), a forearm transmission wire (28) is wound on the forearm wire wheel (30), and the forearm transmission wire (28) is connected with a switching device (23) through a guide piece (11);
the resistance mechanism comprises a counterweight supporting frame (24) and a counterweight block (25) arranged on the counterweight supporting frame (24);
The switching device (23) comprises a switching support (231), a switching bolt (232) and a guide sliding block (235) which is arranged in the switching support (231) and can reciprocate in the switching support (231), one end of the guide sliding block (235) is fixedly provided with a counterweight steel wire, the other end of the counterweight steel wire is connected with a counterweight (25) in a resistance mechanism, three channels (233) parallel to the reciprocating motion direction of the guide sliding block (235) are formed in the guide sliding block (235), three through holes (234) which are respectively communicated with the three channels (233) are formed in the switching support (231), a pull rod (236) is respectively arranged in the channels (233), switching jacks (2361) are formed in the same sides of the pull rod (236) and the guide sliding block (235) where the counterweight steel wire is arranged, the switching bolt (232) enters the switching jacks (2361) on the corresponding pull rod (236) after being inserted from the through holes (234) on the switching support (231), and the other sides of the pull rod (236) are respectively fixedly connected with steel wires from the training devices.
2. The knee-shoulder-forearm rotary muscle group strength training apparatus as claimed in claim 1, wherein the rear pedal (82) is provided with pedal baffles (83) on both left and right sides.
3. The knee-shoulder-forearm rotary muscle group strength training apparatus of claim 1, wherein the horizontal rotary operating rod (15) comprises a long operating rod (153), a limit plug (152) and a short operating rod (154) sleeved in the long operating rod (153), a grip (155) is arranged at one end of the short operating rod (154) far away from the long operating rod (153), limit insertion holes are formed in corresponding positions of the long operating rod (153) and the short operating rod (154), and the length of the horizontal rotary operating rod (15) is fixed after the limit plug is inserted into the limit insertion holes.
4. A knee-shoulder-forearm rotary muscle group strength training apparatus as in claim 3, characterized in that the long lever (153) is provided with two elbow stops (151) at its end remote from the short lever (154).
5. The knee-shoulder-forearm rotary muscle group strength training apparatus as recited in claim 1, wherein the rotary handle (20) is mounted to the forearm step gear (29) by a hex head shaft (21).
6. A knee-shoulder-forearm rotary muscle group strength training device as in claim 1, wherein the guide (11) is a fixed pulley.
7. The knee-shoulder-forearm rotary muscle group strength training apparatus as recited in any of claims 1-6, wherein the legs of the seat (26) are height adjustable legs.
8. The knee-shoulder-forearm rotary muscle group strength training apparatus according to any one of claims 1-6, wherein the number of the knee joint training device, the shoulder joint training device, the forearm training device, the switching device (23) and the resistance mechanism is two, and the two are symmetrically arranged on the left side and the right side of the seat (26).
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| CN202210455271.0A CN114618123B (en) | 2022-04-27 | 2022-04-27 | Knee-shoulder-forearm rotary muscle group strength training apparatus |
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| CN202210455271.0A CN114618123B (en) | 2022-04-27 | 2022-04-27 | Knee-shoulder-forearm rotary muscle group strength training apparatus |
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| CN114618123B true CN114618123B (en) | 2025-09-16 |
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| JP2007319524A (en) * | 2006-06-02 | 2007-12-13 | Senoh Corp | Training machine |
| TWM436475U (en) * | 2012-03-16 | 2012-09-01 | Heng-Yu Huang | Waist turning and twisting aid structure |
| CN105080036A (en) * | 2014-04-27 | 2015-11-25 | 青岛瑞箭机电工程技术有限公司 | Arm muscle exercising frame |
| CN210169477U (en) * | 2019-04-18 | 2020-03-24 | 广州科与赫家具有限公司 | Novel office chair |
| CN211962396U (en) * | 2020-03-25 | 2020-11-20 | 郑州市中心医院 | A kind of leg joint exercise rehabilitation device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106693293A (en) * | 2016-12-28 | 2017-05-24 | 佛山瑞箭体育器材有限公司 | Pushing strength training apparatus |
| CN208356028U (en) * | 2018-05-08 | 2019-01-11 | 常州市钱璟康复股份有限公司 | One kind trampling training device |
| CN113082595A (en) * | 2021-04-14 | 2021-07-09 | 宜春学院 | Multi-functional physical training body-building device |
| CN219023144U (en) * | 2022-04-27 | 2023-05-16 | 广西师范大学 | Knee-shoulder-forearm rotary muscle group strength training apparatus |
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