CN111672052A - A sports arm strength trainer - Google Patents

Abstract

The invention provides a physical arm strength trainer, which belongs to the technical field of sports equipment and comprises a back plate, wherein shoulder belts are fixed on the left and right parts of the rear end of the back plate, a waist belt is fixed on the lower part of the rear end of the back plate, an adjustable arm-pulling mechanism is arranged at the front end of the back plate, a transverse arm-pulling mechanism is arranged between the two shoulder belts, guide mechanisms are arranged on the left and right ends of the back plate, the whole device can train arm strength through two first handles in the adjustable arm-pulling mechanism, and meanwhile, the transverse arm-pulling mechanism positioned in front of the chest of a trainer can enable the force points of the arms of the trainer to be different to train different types of muscles of the arms of the trainer to improve the training effect of the device for training the arm strength.

Description

A sports arm strength trainer

technical field

The invention belongs to the technical field of sports equipment, and in particular relates to a sports arm strength trainer.

Background technique

Sports equipment, a general term for various equipment, equipment and supplies used in competitive sports competitions and fitness exercises. Sports equipment and sports are interdependent and promote each other. The popularization of sports and the diversification of sports have made the types and specifications of sports equipment. In the same way, sports equipment with good quality, stable performance, safety and reliability can not only ensure the fair and fierce competition in competitive competitions, but also create the necessary material conditions for promoting the improvement of sports level.

The arm strength training device is one of the commonly used sports equipment in life. The strength of the existing arm strength training equipment is mostly fixed and cannot be adjusted. Users need to buy arm strength training equipment with different strengths, which brings economic burden to the user. Some relatively simple spring arm force devices are not very safe, and many users easily hurt themselves during use. The rebound force of the spring is more than twice that of the user's squeezing force. In the event of an accident, the user will be injured. It is very large and safety is not guaranteed.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a sports arm strength training device, which aims to solve the problem that the strength of the arm strength training device in the prior art is mostly fixed and cannot be adjusted. At the same time, the safety performance of some relatively simple spring arm force devices is not very high. Many users may accidentally hurt themselves during use. The rebound force of the spring is more than twice that of the user's squeezing force. The injury to the user is very large, and the safety cannot be guaranteed.

To achieve the above object, the present invention provides the following technical solutions:

A sports arm strength training device comprises a backboard, the left and right rear ends of the backboard are fixed with shoulder straps, the lower part of the rear end of the backboard is fixed with a waist belt, and the front end of the backboard is provided with adjustable pull arms A transverse pull arm mechanism is arranged between the two shoulder straps, and a guide mechanism is arranged at the left and right ends of the back plate;

The adjustable pull arm mechanism includes a protruding block, a rotating slot and a connecting shaft, the protruding block is fixed on the front end of the back plate, the rotating slot is opened at the right end of the protruding block, and the connecting shaft is rotatably connected to the upper and lower sides of the rotating slot. In the inner wall, the peripheral surface of the connecting shaft is fixed with a thin rotating rod, the circumferential surface of the connecting shaft is rotatably connected with a thick rotating rod, and the right end of the thick rotating rod is provided with a slot, and the thin rotating rod and the thick rotating rod are A connecting block is fixed at the front ends of the two connecting blocks, and a plurality of groups of evenly distributed concave grooves are opened at the two adjacent ends of the connecting blocks, and a first tension spring is arranged between each group of the concave grooves. The first tension springs are all clamped in the matching concave grooves through two annular buckles, and the upper and lower ends of the two connecting blocks are connected with two rotating plates through two first rotating shafts. A connecting strip is fixed between the rotating plates, the circumferential surfaces of the two connecting strips are sleeved with connecting rings, the two connecting rings are both provided with clamping pieces, and the circumferential surfaces of the two connecting rings are One end of the pull rope is fixed, and the other ends of the two pull ropes are fixed with a first handle;

The lateral pull arm mechanism includes a connecting plate, a spring sleeve, a second tension spring, a second universal rotation shaft and a second grip, and two of the second universal rotation shaft and the second grip are provided, the The connecting plate is fixed to the rear end of the two shoulder straps, the spring sleeve is fixed to the rear end of the connecting plate, the second tension spring is movably inserted into the inner circumferential wall of the spring sleeve, and the middle part of the second tension spring is connected to the rear end of the connecting plate. The middle part of the inner circumferential wall of the spring sleeve is fixed, the two second universal rotation shafts are respectively fixed on the left and right ends of the second tension spring, and the two second grips are respectively rotatably connected to the two second universal rotation shafts. away from the end;

Each group of the guiding mechanisms includes a connecting rod, an auxiliary block and a rotating rod. One end of the connecting rod is fixed to the right end of the back plate, and the auxiliary block is fixed to the other end of the connecting rod. The rotating rod passes through two second The rotating shaft is rotatably connected to the upper and lower inner walls of the connecting rod.

As a preferred option of the present invention, a cloth arrangement bag is fixed at the front end of the back panel, a zipper is arranged at the front end of the cloth arrangement bag, a wrapping cloth is arranged in the cloth arrangement bag, and the wrapping cloth and the cloth arrangement bag are connected to each other. The rear inner wall is fixed.

As a preferred embodiment of the present invention, a tightener is provided on the waistband.

As a preferred embodiment of the present invention, a first universal rotation shaft is disposed between the two pulling ropes and the two first grips.

As a preferred option of the present invention, the rear end of the back plate is provided with a sponge rubber layer.

As a preferred embodiment of the present invention, the middle portions of the circumferential surfaces of the two rotating rollers are provided with inwardly concave arc transitions.

As a preferred embodiment of the present invention, grooves matching fingers are provided in the two second grips and the first grip.

Compared with the prior art, the beneficial effects of the present invention are:

1. In this solution, before using the device for arm strength training, the entire device can be fixed on the back of the trainer through two shoulder straps and a belt, similar to the state of carrying a schoolbag. The two first grips in the arm pull mechanism can train the arm strength, and at the same time, the lateral pull arm mechanism located on the trainer's chest can make the trainer's arm have different power points to exercise different types of muscles of the trainer's arm to improve The training effect of the device to train arm strength, the whole device is ingeniously set up, flexible in operation, extremely safe, and at the same time allows the trainer to better train the arm strength, with strong practicability.

2. In this scheme, when the adjustable pull arm mechanism in the device is in use, the trainer pulls the two first grips to drive the connected pull rope and the connecting ring, so that the two connecting blocks can move in opposite circular arcs around the connecting shaft. , and the multiple first tension springs connecting the two connection blocks will generate a reverse force, which realizes the effect of the trainer's arm training. It means that when the trainer feels that the strength of the arm strength training is too high, several first tension springs can be selectively removed to adjust the tension to the degree that the trainer wants, which solves the inconvenient adjustment of the existing arm strength training device. As to the problem of training intensity, the arm strength training device with convenient adjustment of training strength has the advantages of convenient adjustment, which is convenient for users to use, and improves the practicability of the arm strength training device.

3. In this scheme, the device is also provided with a lateral pulling arm mechanism located in front of the trainer's chest. The trainer can pull the second tension spring by stretching the two second grips to generate a reverse force and form training. As a result, this training method can make the trainer's arm exert different power points to exercise different types of muscles of the trainer's arm, thereby improving the training effect of the device for training the arm strength.

Description of drawings

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:

Fig. 1 is the structural representation of the present invention;

Fig. 2 is a partial view at A place in Fig. 1 of the present invention;

3 is a rear perspective view of the present invention;

Fig. 4 is a partial view at B in Fig. 3 of the present invention;

FIG. 5 is a top view of the present invention.

In the picture: 1-back panel; 2-shoulder strap; 3-belt; 4-clothing bag; 5-zipper; 6-connecting rod; 7-auxiliary block; 8-rotating stick; 9-protruding block; 10-rotation Slot; 11-connecting shaft; 12-fine turning rod; 13-coarse turning rod; 14-card slot; 15-connecting block; 16-concave groove; 17-first tension spring; 18-ring buckle; 19- Rotating plate; 20-connecting strip; 21-clamping piece; 22-connecting ring; 23-pulling rope; 24-first universal shaft; 25-first handle; 26-tightening device; 27-connecting plate; 28-spring sleeve; 29-second tension spring; 30-second universal shaft; 31-second grip.

Detailed ways

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.

Example 1

Please refer to FIG. 1 and FIG. 5 , the present invention provides the following technical solutions: a sports arm strength training device includes a backboard 1 , the left and right rear ends of the backboard 1 are fixed with shoulder straps 2 , and the lower part of the rear end of the backboard 1 is fixed There is a waist belt 3, the front end of the backboard 1 is provided with an adjustable pull arm mechanism, a transverse pull arm mechanism is provided between the two shoulder straps 2, and the left and right ends of the backboard 1 are provided with guide mechanisms;

Before using the device for arm strength training, the entire device can be fixed on the back of the trainer through two shoulder straps 2 and a belt 3, similar to the state of carrying a schoolbag. The two first grips 25 can be used to train the arm strength, and at the same time, the arm strength of the device can be improved by exercising different types of muscles of the trainer's arm by making the force point of the trainer's arm different through the lateral arm mechanism located on the trainer's chest. The training effect of the whole device is ingenious, the operation is flexible, and the safety is extremely high.

For details, please refer to FIG. 1 and FIG. 2 , the adjustable pull arm mechanism includes a protruding block 9 , a rotating slot 10 and a connecting shaft 11 . At the right end, the connecting shaft 11 is rotatably connected to the upper and lower inner walls of the rotating groove 10, the peripheral surface of the connecting shaft 11 is fixed with a thin rotating rod 12, the circumferential surface of the connecting shaft 11 is rotatably connected with a thick rotating rod 13, and the right end of the thick rotating rod 13 is provided with The front end of the card slot 14, the thin rotating rod 12 and the thick rotating rod 13 are all fixed with a connecting block 15, and the two connecting blocks 15 are provided with a plurality of groups of evenly distributed concave grooves 16 at one end. A first tension spring 17 is arranged between the two, and a plurality of first tension springs 17 are clamped in the matching concave grooves 16 through two annular buckles 18, and the upper and lower ends of the two connecting blocks 15 pass through two The first rotating shaft is rotatably connected with two rotating plates 19 , a connecting bar 20 is fixed between the two rotating plates 19 , the circumferential surfaces of the two connecting bars 20 are sleeved with connecting rings 22 , and both connecting rings 22 are provided with a connecting ring 22 . One end of the pull cord 23 is fixed to the circumferential surface of the two connecting rings 22 of the clip 21 , and the first handle 25 is fixed to the other end of the two pull cords 23 .

In this embodiment, when the adjustable pull arm mechanism in the device is in use, the trainer pulls the two first grips 25 to drive the connected pull rope 23 and the connecting ring 22 so that the two connecting blocks 15 are reversed around the connecting shaft 11 The circular arc movement, and the multiple first tension springs 17 connecting the two connecting blocks 15 will generate a reverse force, which realizes the effect of the trainer's arm training, and at the same time the left and right ends of the multiple first tension springs 17 The annular buckle 18 is provided, which means that when the trainer feels that the strength of the arm strength training is too high, several first tension springs 17 can be selectively removed to adjust the tension to the degree desired by the trainer, which solves the problem. The existing arm strength training device is inconvenient to adjust the training intensity. The arm strength training device with convenient training intensity has the advantages of convenient adjustment, which is convenient for users to use and improves the practicability of the arm strength training device.

Specifically, as shown in FIGS. 3 and 4 , the lateral pull arm mechanism includes a connecting plate 27 , a spring sleeve 28 , a second tension spring 29 , a second universal rotation shaft 30 and a second handle 31 . The second universal rotation shaft 30 and the second handle 31 are provided with two, the connecting plate 27 is fixed to the rear end of the two shoulder straps 2, the spring sleeve 28 is fixed to the rear end of the connecting plate 27, and the second tension spring 29 is movably inserted into the spring. In the inner circumferential wall of the sleeve 28, and the middle part of the second tension spring 29 is fixed with the middle part of the inner circumferential wall of the spring sleeve 28, the two second universal rotation shafts 30 are respectively fixed on the left and right ends of the second tension spring 29, and the two third The two grips 31 are respectively rotatably connected to the remote ends of the two second universal rotation shafts 30 .

In this embodiment, the device is also provided with a lateral pulling arm mechanism located on the chest of the trainer, and the trainer can pull the second tension spring 29 by stretching the two second grips 31 to generate a reverse force, forming a Training effect, this training method can make the trainer's arm have different power points to exercise different types of muscles of the trainer's arm to improve the training effect of the device to train the arm strength. The setting of the two second universal rotation shafts 30 allows the trainer to A better angle of the pull arm can be found and the provision of the spring sleeve 28 also improves the protection of the trainer.

For details, please refer to FIG. 1 and FIG. 4 , each guide mechanism includes a connecting rod 6 , an auxiliary block 7 and a turning stick 8 . One end of the connecting rod 6 is fixed to the right end of the back plate 1 , and the auxiliary block 7 is fixed to the connecting rod 6 At the other end, the rotating stick 8 is rotatably connected to the upper and lower inner walls of the connecting rod 6 through two second rotating shafts.

In this embodiment, the setting of the guiding mechanism allows the trainer to clamp the two pull ropes 23 on the two rotating sticks 8 respectively when pulling the two first grips 25 for arm strength training, which is beneficial to the stability of the device training. .

Specifically, as shown in FIG. 1 , the front end of the back panel 1 is fixed with a cloth arrangement bag 4 , the front end of the cloth arrangement bag 4 is provided with a zipper 5 , a wrapping cloth is arranged in the cloth arrangement bag 4 , and the wrapping cloth and the cloth arrangement bag 4 are arranged The rear inner wall is fixed.

In this embodiment, the setting of the cloth arrangement bag 4 and the wrapping cloth in the cloth arrangement bag 4 allows the device to wrap the entire adjustable pull arm mechanism when it is not needed, and the wrapping cloth can be put into the place through the zipper 5 when it is needed. Inside the cloth bag 4, the operation is very convenient, and at the same time, the functional diversity of the device is improved.

Specifically, as shown in FIG. 3 , the belt 3 is provided with a tightener 26 .

In this embodiment, the setting of the tightening device 26 is beneficial for the trainer to better fix the whole device on the back, and at the same time, it can be adapted to trainers with different waist circumferences. For those skilled in the art, the tightening device 26 is all the above The prior art will not be described in detail.

Specifically, referring to FIG. 3 , a first universal rotation shaft 24 is disposed between the two pull ropes 23 and the two first handles 25 .

In this embodiment, the setting of the first universal rotation shaft 24 can allow the trainer to find a better arm pulling angle and at the same time improve the protection ability of the trainer.

Specifically, the rear end of the back plate 1 is provided with a sponge rubber layer.

In this embodiment, the sponge rubber layer disposed at the rear end of the back plate 1 can effectively improve the back comfort of the trainer when training the arm strength.

Specifically, as shown in Fig. 4, the middle parts of the circumferential surfaces of the two rotating rollers 8 are provided with inwardly concave arc transitions.

In this embodiment, the inwardly concave arc transitions in the middle of the circumferential surfaces of the two rotating rollers 8 can prevent the rotating rollers 8 from causing long-term wear and tear on the pull rope 23 and improve the service life of the device.

Specifically, as shown in FIG. 5 , grooves matching fingers are provided in the two second grips 31 and the first grip 25 .

In this embodiment, the grooves matched with the fingers provided in the second grip 31 and the first grip 25 can improve the comfort of the trainer's hand during training.

The working principle and use process of the present invention: before using the device for arm strength training, firstly, the entire device can be fixed on the back of the trainer through two shoulder straps 2 and a waist belt 3, which is similar to the state of backing a schoolbag. , the arm strength can be trained by adjusting the two first grips 25 in the arm mechanism, and at the same time, the arm strength of the trainer can be exercised by making the force point of the trainer's arm different through the lateral pull-arm mechanism located in front of the trainer's chest. Different types of muscles are used to improve the training effect of the device to train the arm strength. The whole device has ingenious structure, flexible operation and high safety. At the same time, it allows the trainer to better train the arm strength. It has strong practicability and can be adjusted in the device. When the pulling arm mechanism is in use, the trainer pulls the two first grips 25, and drives the connected pulling rope 23 and the connecting ring 22, so that the two connecting blocks 15 perform opposite circular arc movements around the connecting shaft 11, thereby connecting the two connecting pieces. The plurality of first tension springs 17 of the block 15 will generate a reverse force, which realizes the effect of the trainer's arm training. Therefore, when the trainer feels that the strength of the arm strength training is too high, several first tension springs 17 can be selectively removed to adjust the pulling force to the degree desired by the trainer, which solves the problem that the existing arm strength training device is inconvenient to adjust training. The problem of strength is that the arm strength training device that can easily adjust the training intensity has the advantages of convenient adjustment, which is convenient for the user to use, and improves the practicability of the arm strength training device. , the trainer can pull the second tension spring 29 by stretching the two second grips 31 to generate a reverse force to form a training effect. This training method can make the trainer's arms have different power points to exercise the trainer. Different types of muscles of the arm to improve the training effect of the device training arm strength.

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.

Claims (7)

1. A sports arm strength training device, its characterized in that: the novel back plate comprises a back plate (1), wherein shoulder belts (2) are fixed to the left and right sides of the rear end of the back plate (1), a waist belt (3) is fixed to the lower portion of the rear end of the back plate (1), an adjustable arm-pulling mechanism is arranged at the front end of the back plate (1), a transverse arm-pulling mechanism is arranged between the two shoulder belts (2), and guide mechanisms are arranged at the left and right ends of the back plate (1);

the physical arm strength trainer according to claim 1, wherein: adjustable arm-drag mechanism is including outstanding piece (9), rotation groove (10) and connecting axle (11), outstanding piece (9) are fixed in the front end of backplate (1), rotate the right-hand member that groove (10) seted up in outstanding piece (9), connecting axle (11) are rotated and are connected in the upper and lower inner wall that rotates groove (10), the circumference fixed surface of connecting axle (11) has thin bull stick (12), the circumference surface of connecting axle (11) rotates and is connected with thick bull stick (13), draw-in groove (14) have been seted up to the right-hand member of thick bull stick (13), the front end of thin bull stick (12) and thick bull stick (13) all is fixed with connecting block (15), two connecting block (15) are close to one end mutually and all set up multiunit evenly distributed's concave groove (16), every group all be provided with first tension spring (17) between concave groove (16), and a plurality of first tension spring (17) all through two annular buckle (18) joint at assorted concave groove (17) (16) The upper ends and the lower ends of the two connecting blocks (15) are rotatably connected with two rotating plates (19) through two first rotating shafts, a connecting strip (20) is fixed between the two rotating plates (19), connecting rings (22) are sleeved on the circumferential surfaces of the two connecting strips (20), clamping pieces (21) are arranged on the two connecting rings (22), one ends of pull ropes (23) are fixed on the circumferential surfaces of the two connecting rings (22), and first handles (25) are fixed on the other ends of the two pull ropes (23);

the transverse pull arm mechanism comprises a connecting plate (27), two spring sleeves (28), two second tension springs (29), two second universal rotating shafts (30) and two second handles (31), the two second universal rotating shafts (30) and the two second handles (31) are arranged, the connecting plate (27) is fixed at the rear ends of the two shoulder straps (2), the spring sleeves (28) are fixed at the rear ends of the connecting plate (27), the second tension springs (29) are movably inserted into the circumferential inner wall of the spring sleeves (28), the middle parts of the second tension springs (29) are fixed with the middle parts of the circumferential inner walls of the spring sleeves (28), the two second universal rotating shafts (30) are respectively fixed at the left end and the right end of the second tension springs (29), and the two second handles (31) are respectively and rotatably connected to the far ends of the two second universal rotating shafts (30);

every group guiding mechanism includes connecting rod (6), supplementary piece (7) and changes rod (8), the right-hand member of backplate (1) is fixed in to the one end of connecting rod (6), the other end of connecting rod (6) is fixed in supplementary piece (7), it rotates through two second pivots to change rod (8) and connects in the upper and lower inner wall of connecting rod (6).

2. The physical arm strength trainer according to claim 1, wherein: the front end of the back plate (1) is fixed with a cloth placing bag (4), the front end of the cloth placing bag (4) is provided with a zipper (5), wrapping cloth is arranged in the cloth placing bag (4), and the wrapping cloth is fixed with the rear inner wall of the cloth placing bag (4).

3. The physical arm strength trainer according to claim 1, wherein: a tightener (26) is arranged on the waistband (3).

4. The physical arm strength trainer according to claim 1, wherein: first universal rotating shafts (24) are arranged between the two pull ropes (23) and the two first grips (25).

5. The physical arm strength trainer according to claim 1, wherein: the rear end of the back plate (1) is provided with a sponge rubber layer.

6. The physical arm strength trainer according to claim 1, wherein: the middle parts of the circumferential surfaces of the two rotating rods (8) are provided with inward sunken circular arc transitions.

7. The physical arm strength trainer according to claim 1, wherein: grooves matched with fingers are formed in the second grip (31) and the first grip (25).

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