CN113813560B - A high-strength back muscle trainer for physical education - Google Patents

本发明属于背肌训练技术领域，尤其为一种体育教学用高拉力背肌训练器，包括主体，所述主体前端设有用于腿部肌肉放松作用的滚轮，所述主体前端设有用于传动作用的传动轴，通过二号齿轮轴的设置，二号齿轮轴通过齿槽带动棘轮机构转动，棘轮机构通过齿轮槽与方形块啮合传动，该设置通过二号齿轮轴调节方形块的高度，从而达到对转动臂的高度进行升降作用，便于不同身高者使用，提高适用的范围，通过传动轴的设置，传动轴一端设有脚踏板，另一端通过涡轮与蜗杆传动，从而带动二号连杆伸缩，该设置起到通过脚部力量，对拉伸回落速度起到控制的作用，有效的抵消回落长生的反作用力，对训练者起到一定的呵护作用。

The invention belongs to the technical field of back muscle training, in particular to a high-strength back muscle trainer for physical education, comprising a main body, the front end of the main body is provided with a roller for leg muscle relaxation, the front end of the main body is provided with a transmission Through the setting of the No. 2 gear shaft, the No. 2 gear shaft drives the ratchet mechanism to rotate through the tooth slot, and the ratchet mechanism meshes with the square block through the gear groove for transmission. This setting adjusts the height of the square block through the No. The height of the rotating arm is lifted and lowered, which is convenient for people with different heights and improves the applicable range. Through the setting of the transmission shaft, one end of the transmission shaft is provided with a foot pedal, and the other end is driven by a turbine and a worm, so as to drive the No. 2 connecting rod to expand and contract. , This setting plays a role in controlling the speed of stretching and falling back through the strength of the feet, effectively offsetting the reaction force of falling back and longevity, and playing a certain role in protecting the trainer.

一种体育教学用高拉力背肌训练器A high-strength back muscle trainer for physical education

技术领域technical field

本发明属于背肌训练技术领域，具体涉及一种体育教学用高拉力背肌训练器。The invention belongs to the technical field of back muscle training, in particular to a high-strength back muscle trainer for physical education.

背景技术Background technique

随着人们健康意识的提高，健身的重要性被人们所重视，各种健身方式也越来越普遍；平时一些学生学习、工作时间较长，且经常保持同一个坐姿，再加上姿势不正确，学习强度大，难免造成背肌酸痛，肌肉疲劳，进而造成腰痛，严重者可造成腰背肌劳损、腰间盘突出等症状，高拉力背肌训练器主要锻炼背阔肌、斜方肌、三角肌和肱二头肌，能够提高身体背部肌肉力量，增强背部肌肉和腹部肌肉韧带拉伸力，加强背部小肌肉群的协调配合能力，增加背部肌肉运动灵活性和柔韧性，可有效的提高背脊的运动耐力。With the improvement of people's health awareness, the importance of fitness has been valued by people, and various fitness methods are becoming more and more common; usually some students study and work for a long time, and often maintain the same sitting posture, coupled with incorrect posture , the study intensity is large, it will inevitably cause back muscle soreness, muscle fatigue, and then cause low back pain. In severe cases, it may cause symptoms such as low back muscle strain and lumbar disc herniation. The high-strength back muscle trainer mainly exercises the latissimus dorsi, trapezius, The deltoid and biceps can improve the strength of the back muscles of the body, enhance the stretching force of the back muscles and abdominal muscles and ligaments, strengthen the coordination and cooperation of the small back muscles, and increase the flexibility and flexibility of the back muscles, which can effectively improve the Exercise endurance of the spine.

原有体育教学用高拉力背肌训练器大多为固定设计，无法根据不同身高的训练者进行调节，部分身高过高或者过矮的训练者训练十分不便，且在进行拉伸回落的过程中，由于反作用力较大，很容易因为训练者手滑等原因造成拉手的脱落，给训练者的安全带来一定的隐患。Most of the original high-strength back muscle trainers for physical education are of fixed design and cannot be adjusted according to trainers of different heights. Some trainers who are too tall or too short are very inconvenient to train, and in the process of stretching and falling, Due to the large reaction force, it is easy to cause the handle to fall off due to the trainer's slippage, which brings certain hidden dangers to the trainer's safety.

发明内容SUMMARY OF THE INVENTION

为解决现有技术中存在的上述问题，本发明提供了一种体育教学用高拉力背肌训练器，具有结构简单，连接紧凑，便于调节，适用范围更广，拉伸回落的反作用力小，更安全更可靠的特点。In order to solve the above problems existing in the prior art, the present invention provides a high-strength back muscle trainer for physical education, which has the advantages of simple structure, compact connection, easy adjustment, wider application range, and small reaction force of stretching and falling back. Safer and more reliable features.

为实现上述目的，本发明提供如下技术方案：一种体育教学用高拉力背肌训练器，包括主体，所述主体前端设有用于腿部肌肉放松作用的滚轮，所述主体前端设有用于传动作用的传动轴，所述传动轴一端设有脚踏板，另一端处套设有涡轮，所述涡轮通过齿槽与蜗杆相啮合，所述蜗杆通过转轴与三号连杆相连接，所述三号连杆通过转轴与二号连杆相连接，所述二号连杆通过转轴与一号连杆相连接，所述一号连杆的另一端与转动臂固定连接，所述转动臂一端与方形块相连接，另一端处设有用于手柄滑动作用的滑动槽，所述滑动槽内设有用于手柄限位滑动作用的限位杆，所述滑动槽通过限位杆与手柄相连接，所述手柄处设有用于传动锁紧作用的T形杆，所述主体的另一端内设有用于方形块伸缩作用的矩形槽，所述主体1矩形槽内设有用于传动作用的一号齿轮轴，所述一号齿轮轴一端通过齿槽与二号齿轮轴相啮合，所述二号齿轮轴处的齿槽比一号齿轮轴处齿槽小三倍，所述二号齿轮轴另一端通过齿槽与棘轮机构相啮合，所述一号齿轮轴另一端通过齿槽与齿轮槽啮合连接，所述齿轮槽设置在方形块侧端。In order to achieve the above-mentioned purpose, the present invention provides the following technical solutions: a high-strength back muscle trainer for physical education, comprising a main body, the front end of the main body is provided with a roller for leg muscle relaxation, and the front end of the main body is provided with a wheel for transmission. Acting transmission shaft, one end of the transmission shaft is provided with a foot pedal, and the other end is sleeved with a turbine, the turbine is engaged with the worm through the tooth slot, and the worm is connected with the No. 3 connecting rod through the rotating shaft. The No. 3 connecting rod is connected to the No. 2 connecting rod through a rotating shaft, the No. 2 connecting rod is connected to the No. 1 connecting rod through a rotating shaft, the other end of the No. 1 connecting rod is fixedly connected to the rotating arm, and one end of the rotating arm is It is connected with the square block, and the other end is provided with a sliding groove for the sliding action of the handle. The sliding groove is provided with a limit rod for the limit sliding effect of the handle, and the sliding groove is connected with the handle through the limit rod. The handle is provided with a T-shaped rod for transmission and locking, the other end of the main body is provided with a rectangular groove for the telescopic action of the square block, and the rectangular groove of the main body 1 is provided with a No. 1 gear for transmission. One end of the No. 1 gear shaft meshes with the No. 2 gear shaft through the tooth slot, the tooth slot at the No. 2 gear shaft is three times smaller than the tooth slot at the No. 1 gear shaft, and the other end of the No. 2 gear shaft passes through the shaft. The tooth slot is engaged with the ratchet mechanism, and the other end of the No. 1 gear shaft is meshed and connected with the gear slot through the tooth slot, and the gear slot is arranged on the side end of the square block.

作为本发明的一种体育教学用高拉力背肌训练器优选技术方案，所述转动臂中间处通过限位杆与一号连接块相连接，底部通过滑动槽通过滑动槽与二号连接块相连接，所述一号连接块与二号连接块的另一端均与锁紧块固定连接，所述锁紧块通过齿槽与T形杆齿槽啮合连接。As a preferred technical solution of a high-strength back muscle trainer for physical education of the present invention, the middle of the rotating arm is connected to the No. 1 connecting block through a limit rod, and the bottom is connected to the No. 2 connecting block through a sliding groove through a sliding groove. The other ends of the No. 1 connecting block and the No. 2 connecting block are fixedly connected with the locking block, and the locking block is engaged with the tooth groove of the T-shaped rod through the tooth slot.

作为本发明的一种体育教学用高拉力背肌训练器优选技术方案，所述转动臂设有伸缩杆，所述伸缩杆另一端套设在L形块内，所述伸缩杆的外端套设有用于缓冲作用的缓冲弹簧。As a preferred technical solution of a high-strength back muscle trainer for physical education of the present invention, the rotating arm is provided with a telescopic rod, the other end of the telescopic rod is sleeved in the L-shaped block, and the outer end of the telescopic rod is sleeved A buffer spring is provided for buffering.

作为本发明的一种体育教学用高拉力背肌训练器优选技术方案，所述手柄为方形杆，所述手柄另一端处套设有圆桶，所述圆桶外端呈圆形状，且设有用于增加摩擦力作用的防滑槽。As a preferred technical solution of a high-strength back muscle trainer for physical education of the present invention, the handle is a square rod, the other end of the handle is sleeved with a barrel, and the outer end of the barrel is in a round shape, and is provided with There are anti-skid grooves for increased frictional action.

作为本发明的一种体育教学用高拉力背肌训练器优选技术方案，所述一号连接块呈弧形状，且端面设有用于增加摩擦力作用的矩形槽，所述二号连接块呈方形状，且端面也设有矩形槽。As a preferred technical solution of a high-strength back muscle trainer for physical education of the present invention, the No. 1 connecting block is in the shape of an arc, and the end surface is provided with a rectangular groove for increasing friction, and the No. 2 connecting block is square shape, and the end face is also provided with a rectangular groove.

与现有技术相比，本发明的有益效果是：通过二号齿轮轴的设置，二号齿轮轴通过齿槽带动棘轮机构转动，棘轮机构通过齿轮槽与方形块啮合传动，该设置通过二号齿轮轴调节方形块的高度，从而达到对转动臂的高度进行升降作用，便于不同身高者使用，提高适用的范围，通过传动轴的设置，传动轴一端设有脚踏板，另一端通过涡轮与蜗杆传动，从而带动二号连杆伸缩，该设置起到通过脚部力量，对拉伸回落速度起到控制的作用，有效的抵消回落产生的反作用力，对训练者起到一定的呵护作用，通过转动臂的设置，转动臂通过T形杆带动锁紧块移动，锁紧块通过一号连接块与限位杆相连接，另一端通过二号连接块与滑动槽相连接，该设置起到训练者可以根据自身臂膀的宽度，对手柄间距进行适当的调节，提高训练时两臂伸展的舒适度，有效的提高训练的效果，通过防滑槽的设置，圆桶内设有矩形槽，外设有防滑槽，该设置起到增加与训练者手部的接触粗造度，提高防滑的作用。Compared with the prior art, the beneficial effects of the present invention are: through the arrangement of the No. 2 gear shaft, the No. 2 gear shaft drives the ratchet mechanism to rotate through the tooth slot, and the ratchet mechanism engages with the square block through the gear slot for transmission. The gear shaft adjusts the height of the square block, so as to achieve the lifting effect of the height of the rotating arm, which is convenient for people of different heights and improves the applicable range. The worm drive drives the No. 2 connecting rod to expand and contract. This setting plays a role in controlling the speed of stretching and falling back through the force of the feet, effectively offsetting the reaction force generated by the falling, and playing a certain role in protecting the trainer. Through the setting of the rotating arm, the rotating arm drives the locking block to move through the T-shaped rod. The locking block is connected with the limit rod through the No. 1 connecting block, and the other end is connected with the sliding groove through the No. 2 connecting block. The trainer can appropriately adjust the distance between the handles according to the width of their own arms, so as to improve the comfort of stretching the arms during training, and effectively improve the training effect. There are anti-skid grooves, which can increase the contact roughness with the trainer's hand and improve the anti-skid effect.

附图说明Description of drawings

附图用来提供对本发明的进一步理解，并且构成说明书的一部分，与本发明的实施例一起用于解释本发明，并不构成对本发明的限制。在附图中：The accompanying drawings are used to provide a further understanding of the present invention, and constitute a part of the specification, and are used to explain the present invention together with the embodiments of the present invention, and do not constitute a limitation to the present invention. In the attached image:

图1为本发明的结构示意图；Fig. 1 is the structural representation of the present invention;

图2为本发明中后视的结构示意图；Fig. 2 is the structural representation of rear view in the present invention;

图3为本发明中转动臂处的结构示意图；Fig. 3 is the structural representation of the rotating arm in the present invention;

图4为本发明中锁紧块处的结构示意图；Fig. 4 is the structural representation at the locking block in the present invention;

图5为本发明中传动轴连接处的结构示意图；Fig. 5 is the structural representation of the transmission shaft connection in the present invention;

图中：1、主体；2、传动轴；3、滚轮；4、圆桶；5、防滑槽；6、手柄；7、转动臂；8、缓冲弹簧；9、伸缩杆；10、三号连杆；11、L形块；12、一号连杆；13、二号连杆；14、棘轮机构；15、一号齿轮轴；16、二号齿轮轴；17、齿轮槽；18、方形块；19、限位杆；20、滑动槽；21、T形杆；22、锁紧块；23、一号连接块；24、二号连接块；25、蜗杆。In the picture: 1. Main body; 2. Transmission shaft; 3. Roller; 4. Drum; 5. Anti-skid groove; 6. Handle; 7. Swivel arm; 8. Buffer spring; 9. Telescopic rod; Lever; 11, L-shaped block; 12, No. 1 connecting rod; 13, No. 2 connecting rod; 14, Ratchet mechanism; 15, No. 1 gear shaft; 16, No. 2 gear shaft; 17, Gear groove; 18, Square block ; 19, limit rod; 20, sliding groove; 21, T-bar; 22, locking block; 23, No. 1 connecting block; 24, No. 2 connecting block; 25, worm.

具体实施方式Detailed ways

下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

实施例Example

请参阅图1-5，本发明提供以下技术方案：一种体育教学用高拉力背肌训练器，包括主体1，主体1前端设有用于腿部肌肉放松作用的滚轮3，主体1前端设有用于传动作用的传动轴2，传动轴2一端设有脚踏板，另一端处套设有涡轮，涡轮通过齿槽与蜗杆25相啮合，蜗杆25通过转轴与三号连杆10相连接，三号连杆10通过转轴与二号连杆13相连接，二号连杆13通过转轴与一号连杆12相连接，一号连杆12的另一端与转动臂7固定连接，本实施例中通过脚部力量带动传动轴2转动，对拉伸回落速度起到控制的作用，有效的抵消回落产生的反作用力，对训练者起到一定的呵护作用，转动臂7一端与方形块18相连接，另一端处设有用于手柄6滑动作用的滑动槽20，滑动槽20内设有用于手柄6限位滑动作用的限位杆19，滑动槽20通过限位杆19与手柄6相连接，手柄6处设有用于传动锁紧作用的T形杆21，主体1的另一端内设有用于方形块18伸缩作用的矩形槽，主体1矩形槽内设有用于传动作用的一号齿轮轴15，一号齿轮轴15一端通过齿槽与二号齿轮轴16相啮合，二号齿轮轴16处的齿槽比一号齿轮轴15处齿槽小三倍，二号齿轮轴16另一端通过齿槽与棘轮机构14相啮合，一号齿轮轴15另一端通过齿槽与齿轮槽17啮合连接，齿轮槽17设置在方形块18侧端，本实施例中通过二号齿轮轴16调节方形块18的高度，从而达到对转动臂7的高度进行升降作用，便于不同身高者使用，提高适用的范围。1-5, the present invention provides the following technical solutions: a high-strength back muscle trainer for physical education, comprising a main body 1, the front end of the main body 1 is provided with a roller 3 for leg muscle relaxation, and the front end of the main body 1 is provided with a In the transmission shaft 2 of the transmission function, one end of the transmission shaft 2 is provided with a foot pedal, and the other end is sleeved with a turbine, the turbine is meshed with the worm 25 through the tooth slot, and the worm 25 is connected with the third connecting rod 10 through the rotating shaft. The No. 1 connecting rod 10 is connected to the No. 2 connecting rod 13 through a rotating shaft, the No. 2 connecting rod 13 is connected to the No. 1 connecting rod 12 through a rotating shaft, and the other end of the No. 1 connecting rod 12 is fixedly connected to the rotating arm 7. In this embodiment The drive shaft 2 is driven to rotate by the force of the foot, which controls the speed of stretching and falling back, effectively offsets the reaction force generated by the fall, and plays a certain role in protecting the trainer. One end of the rotating arm 7 is connected to the square block 18 , the other end is provided with a sliding groove 20 for the sliding action of the handle 6, and the sliding groove 20 is provided with a limit rod 19 for the limit sliding effect of the handle 6, and the sliding groove 20 is connected with the handle 6 through the limit rod 19, and the handle 6 is provided with a T-shaped rod 21 for transmission and locking, the other end of the main body 1 is provided with a rectangular groove for the telescopic action of the square block 18, and the rectangular groove of the main body 1 is provided with a No. 1 gear shaft 15 for transmission. One end of the No. 1 gear shaft 15 meshes with the No. 2 gear shaft 16 through the tooth slot. The tooth slot at the No. 2 gear shaft 16 is three times smaller than the tooth slot at the No. 1 gear shaft 15. The other end of the No. 2 gear shaft 16 is connected to the No. 2 gear shaft through the tooth slot. The ratchet mechanism 14 is meshed, and the other end of the No. 1 gear shaft 15 is meshed with the gear groove 17 through the tooth slot. The gear slot 17 is arranged on the side end of the square block 18. In this embodiment, the No. 2 gear shaft 16 is used to adjust the height of the square block 18 , so that the height of the rotating arm 7 can be lifted and lowered, which is convenient for people of different heights to use, and improves the applicable range.

具体的，转动臂7中间处通过限位杆19与一号连接块23相连接，底部通过滑动槽20通过滑动槽20与二号连接块24相连接，一号连接块23与二号连接块24的另一端均与锁紧块22固定连接，锁紧块22通过齿槽与T形杆21齿槽啮合连接，本实施例中训练者可以根据自身臂膀的宽度，对手柄6间距进行适当的调节，提高训练时两臂伸展的舒适度，有效的提高训练的效果。Specifically, the middle of the rotating arm 7 is connected with the No. 1 connecting block 23 through the limit rod 19, the bottom is connected with the No. 2 connecting block 24 through the sliding groove 20, and the No. 1 connecting block 23 is connected with the No. 2 connecting block. The other end of 24 is fixedly connected with the locking block 22, and the locking block 22 is engaged with the tooth groove of the T-bar 21 through the tooth slot. Adjustment, improve the comfort of arms stretching during training, and effectively improve the effect of training.

具体的，转动臂7设有伸缩杆9，伸缩杆9另一端套设在L形块11内，伸缩杆9的外端套设有用于缓冲作用的缓冲弹簧8，本实施例中通过伸缩杆9和缓冲弹簧8对拉伸回落起到缓冲的作用，减少反作用力。Specifically, the rotating arm 7 is provided with a telescopic rod 9, the other end of the telescopic rod 9 is sheathed in the L-shaped block 11, and the outer end of the telescopic rod 9 is sheathed with a buffer spring 8 for buffering. 9 and the buffer spring 8 play a buffering role in stretching and falling back, reducing the reaction force.

具体的，手柄6为方形杆，手柄6另一端处套设有圆桶4，圆桶4外端呈圆形状，且设有用于增加摩擦力作用的防滑槽5，本实施例中圆桶4起到增加与训练者手部的接触粗造度，提高防滑的作用。Specifically, the handle 6 is a square rod, and the other end of the handle 6 is sleeved with a drum 4, the outer end of the drum 4 is in a circular shape, and is provided with an anti-slip groove 5 for increasing friction. In this embodiment, the drum 4 It can increase the contact roughness with the trainer's hand and improve the anti-skid effect.

具体的，一号连接块23呈弧形状，且端面设有用于增加摩擦力作用的矩形槽，二号连接块24呈方形状，且端面也设有矩形槽，本实施例中一号连接块23和二号连接块24均是通过增加摩擦力，进行夹紧，从而达到固定的效果。Specifically, the No. 1 connecting block 23 is in an arc shape, and the end surface is provided with a rectangular groove for increasing the effect of frictional force. The No. 2 connecting block 24 is in a square shape, and the end surface is also provided with a rectangular groove. 23 and No. 2 connecting blocks 24 are both clamped by increasing the frictional force, so as to achieve a fixed effect.

本发明的工作原理及使用流程：本发明训练者坐在主体1处，感受一下转动臂7的高度以及手柄6的宽度，进行适当的调配，将棘轮机构14反转，转动二号齿轮轴16，二号齿轮轴16通过齿槽带动一号齿轮轴15转动，一号齿轮轴15通过齿槽与齿轮槽17啮合传动，带动方形块18升降，适配后，将棘轮机构14正转，使得内部棘轮槽与二号齿轮轴16齿槽啮合，进行锁紧，将T形杆21反转，T形杆21通过齿槽与锁紧块22处齿槽啮合传动，带动锁紧块22移动，将手柄6滑至合适的位置，将T形杆21顺时针旋转，带动锁紧块22移动，将一号连接块23与限位杆19紧密连接，二号连接块24与滑动槽20紧密连接，形成固定，在拉伸回落时，训练者可以根据自身体力状况选择是否采用脚力力量进行协助，通过脚踏板带动传动轴2转动，传动轴2另一端设有涡轮，通过涡轮与蜗杆25啮合，带动蜗杆25移动，蜗杆25通过转动带动三号连杆10移动，三号连杆10通过转轴带动二号连杆13移动，二号连杆13另一端通过转轴带动一号连杆12移动，一号连杆12另一端与转动臂7相连接，从而协助转动臂7拉伸回落，减少回落的作用力。The working principle and use process of the present invention: The trainer of the present invention sits at the main body 1, feels the height of the rotating arm 7 and the width of the handle 6, makes appropriate adjustments, reverses the ratchet mechanism 14, rotates the second gear shaft 16 , the No. 2 gear shaft 16 drives the No. 1 gear shaft 15 to rotate through the tooth slot, and the No. 1 gear shaft 15 meshes with the gear slot 17 through the tooth slot to drive the square block 18 to rise and fall. After fitting, the ratchet mechanism 14 is rotated forward, so that The internal ratchet groove meshes with the tooth groove of the No. 2 gear shaft 16 for locking, and the T-shaped rod 21 is reversed. Slide the handle 6 to a suitable position, rotate the T-shaped rod 21 clockwise, drive the locking block 22 to move, and tightly connect the No. , forming a fixed, when stretching and falling, the trainer can choose whether to use the foot force to assist according to their physical strength, drive the transmission shaft 2 to rotate through the foot pedal, and the other end of the transmission shaft 2 is provided with a turbine, which meshes with the worm 25 through the turbine. , drive the worm 25 to move, the worm 25 drives the third connecting rod 10 to move through the rotation, the third connecting rod 10 drives the second connecting rod 13 to move through the rotating shaft, and the other end of the second connecting rod 13 drives the first connecting rod 12 to move through the rotating shaft, The other end of the No. 1 connecting rod 12 is connected with the rotating arm 7, so as to assist the rotating arm 7 to stretch and fall back and reduce the force of falling back.

最后应说明的是：以上所述仅为本发明的优选实施例而已，并不用于限制本发明，尽管参照前述实施例对本发明进行了详细的说明，对于本领域的技术人员来说，其依然可以对前述各实施例所记载的技术方案进行修改，或者对其中部分技术特征进行等同替换。凡在本发明的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本发明的保护范围之内。Finally, it should be noted that the above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the The technical solutions described in the foregoing embodiments may be modified, or some technical features thereof may be equivalently replaced. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.