CN215916349U

CN215916349U - Tension training device

Info

Publication number: CN215916349U
Application number: CN202122157780.9U
Authority: CN
Inventors: 王永锋
Original assignee: Yongkang Fengjue Industry And Trade Co ltd
Current assignee: Yongkang Fengjue Industry And Trade Co ltd
Priority date: 2021-09-07
Filing date: 2021-09-07
Publication date: 2022-03-01
Anticipated expiration: 2031-09-07

Abstract

The utility model relates to a tension training device, comprising: the base is internally provided with an accommodating space, and the upper surface of the base is provided with a pedal space for a human body to stand; the rotating shaft is vertically and rotatably arranged in the accommodating space of the base, and the lower end of the rotating shaft is exposed out of the bottom end of the base; the winding drum is positioned in the accommodating space of the base, and the winding drum is sleeved outside the rotating shaft and fixedly connected with the rotating shaft or integrally formed; the counterweight flywheel is positioned outside the bottom end of the base and is detachably and fixedly arranged on the lower end exposed part of the rotating shaft; the guide roller is rotatably arranged on the base; a handle located above the base; and one end of the pull rope is connected with the handle, and the other end of the pull rope is wound around the guide roller and then is fixed on the winding drum. The tension training device has the advantages of good safety, high reliability, attractive appearance, small size, convenience in carrying and storage and the like.

Description

Tension training device

Technical Field

The utility model relates to the field of fitness equipment, in particular to a tension training device.

Background

Chinese utility model patent ZL201921248307.0 discloses a centrifugal training ware, and it is including mounting bracket, counter weight flywheel, stay cord, handle, and wherein the mounting bracket has the flywheel axle, and the flywheel axle rotates to be connected on the mounting bracket, and the counter weight flywheel sets up on the flywheel axle, and stay cord one end is connected with the flywheel axle, and the other end is connected with the mounting bracket, and the handle has the rope winding wheel, and the middle part of stay cord is around establishing on the rope winding wheel.

Although the trainer can realize a better tension training effect, the structural design of the trainer also has the following defects: 1) the counterweight flywheel is arranged on one side of the mounting frame, so that a human body is easy to touch the counterweight flywheel rotating at a high speed to cause damage when the counterweight flywheel is used, and even the counterweight flywheel flies out to hurt people if the counterweight flywheel is not fixed firmly, so that potential safety hazards exist, and meanwhile, the attractiveness of a product is seriously influenced by the exposed counterweight flywheel; 2) the connecting structure design of its stay cord is unreasonable, particularly, its stay cord middle part is around establishing on the rope sheave of handle, stay cord one end is convoluteed on the flywheel axle, the stay cord other end is convoluteed on the serving of mounting bracket and is pressed from both sides tight fixed through the rope gripper, the person of exercising drives stay cord one end at the lift handle like this and for the flywheel axle pine operation in-process of rolling up, the rope gripper is difficult to receive the pulling force effect of person of exercising and appears becoming flexible very much, lead to the stay cord other end also to carry out the pine to roll up for the serving then, so will certainly lead to aforementioned stay cord and the normal pine of flywheel axle link to roll up with rolling up work and cause adverse effect, therefore the reliability is relatively poor; 3) the trainer is bulky and heavy, and is not convenient to carry and store.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art and provide the tension training device which has the advantages of good safety, high reliability, attractive appearance, small volume and convenient carrying and storage.

The purpose of the utility model is realized by the following technical scheme:

a pull training device comprising: the base is internally provided with an accommodating space, and the upper surface of the base is provided with a pedal space for a human body to stand; the rotating shaft is vertically and rotatably arranged in the accommodating space of the base, and the lower end of the rotating shaft is exposed out of the bottom end of the base; the winding drum is positioned in the accommodating space of the base, and the winding drum is sleeved outside the rotating shaft and fixedly connected with the rotating shaft or integrally formed; the counterweight flywheel is positioned outside the bottom end of the base and is detachably and fixedly arranged on the lower end exposed part of the rotating shaft; the guide roller is rotatably arranged on the base; a handle located above the base; and one end of the pull rope is connected with the handle, and the other end of the pull rope is wound around the guide roller and then is fixed on the winding drum.

Furthermore, the bottom surface of base is equipped with and is used for holding the indent space of establishing the counter weight flywheel.

Furthermore, the upper end of the rotating shaft is exposed out of the top end of the base, a starting disc is fixedly connected to the exposed part of the upper end of the rotating shaft, and a cavity for accommodating the starting disc is formed in the top surface of the base.

Further, the winding drum has a frustoconical winding surface with a small upper end and a large lower end, and the pull rope is wound in a continuous spiral shape from the small end of the frustoconical winding surface to the large end of the frustoconical winding surface.

Furthermore, be equipped with in the indent space and be used for responding to the operating parameter's of counter weight flywheel sensor, this sensor accessible bluetooth communicates the operating parameter who senses with outside smart machine.

Furthermore, the guide roller is rotatably arranged in the accommodating space of the base, and a pull rope through hole for the pull rope to penetrate into the accommodating space of the base is formed in the upper surface of the base.

Further, the deflector roll is including being located reel the place ahead is just close to the fenestrate first deflector roll of stay cord with be located the reel rear just deviates the second deflector roll of reel axle center, the rotatable setting of first deflector roll level just for the reel is certain angle slope, the rotatable setting is erect to the second deflector roll, the stay cord warp the stay cord is perforated to penetrate the accommodation space of base and is in proper order around the warp it just fixes to coil behind first deflector roll and the second deflector roll on the reel.

Furthermore, the handle is provided with an adjusting knob, one end of the pull rope is wound and fixed on the adjusting knob, the adjusting knob can be wound on the adjusting knob or unwound from the adjusting knob through the rotating action of the adjusting knob relative to the handle, and the handle is further provided with a limiting structure for keeping the adjusting knob immovable when no external force acts on the adjusting knob.

Furthermore, limit structure includes first one-way fluted disc, the one-way fluted disc of second and spring, first one-way fluted disc sets up on the handle, the one-way fluted disc of second with the one-way fluted disc meshes in opposite directions, the spring sets up the back side of the one-way fluted disc of second is used for making the one-way fluted disc of second with first one-way fluted disc keeps the meshing trend, the front side center of the one-way fluted disc of second is provided with square connecting axle, and this square connecting axle wears to locate adjust knob and with the fixed and axial clearance fit of adjust knob circumference, the front end of this square connecting axle be provided with expose in adjust knob presses the splenium, can make the axial of square connecting axle inwards move and let when pressing the splenium second one-way fluted disc with first one-way fluted disc disengages and meshes.

Furthermore, the upper surface of base still is equipped with positioning groove, be equipped with on the handle with positioning groove shape looks adaptation's location convex part, the handle accessible when not using the location convex part is put into carry out the location and place in the positioning groove, the front end downside of base still is equipped with the handle.

Compared with the prior art, the utility model has the following beneficial effects:

firstly, the counterweight flywheel is hidden outside the bottom end of the base, so that the attractiveness of a product is not influenced, the safety is good, a human body cannot touch the counterweight flywheel and the like during use, and the convenience of disassembly and replacement of the counterweight flywheel can be ensured.

And one end of the pull rope is fixed on the handle, the other end of the pull rope is wound around the guide roller and then is fixed on the winding drum, and meanwhile, the counterweight flywheel and the winding drum are connected into a whole through the rotating shaft, so the structure design is very reasonable, the pulling process and the winding process of the pull rope are smooth and flexible, and the reliability is high.

Moreover, the tension training device is small in size and very beneficial to carrying and storage.

Drawings

Fig. 1 is a perspective view of a self-contained pull training device of the present invention.

Fig. 2 is a schematic side sectional view of a tension training device of the present invention.

Fig. 3 is a schematic diagram of the internal structure of a tension training device of the present invention.

Fig. 4 is a schematic bottom view of the tension training device of the present invention.

Fig. 5 is an exploded view of a pull training device of the present invention.

Fig. 6 is an enlarged schematic view of the spindle and spool of fig. 5.

Fig. 7 is an enlarged schematic view of B in fig. 2.

Fig. 8 is a schematic view of the structure of the present invention with the handle in an exploded state.

Detailed Description

The present invention will be described in further detail with reference to the following examples, which are given in the accompanying drawings.

As shown in fig. 1 to 8, the tension training device of the present embodiment includes:

the base comprises a base 1, wherein an accommodating space 101 is arranged inside the base 1, and a pedal space 102 for a human body to stand is arranged on the upper surface of the base 1;

the rotating shaft 2 is vertically and rotatably arranged in the accommodating space 101 of the base 1, and the lower end of the rotating shaft 2 is exposed out of the bottom end of the base 1;

the winding drum 3 is positioned in the accommodating space 101 of the base 1, and the winding drum 3 is sleeved on the rotating shaft 2 and fixedly connected with the rotating shaft 2 or integrally formed;

the counterweight flywheel 4 is positioned outside the bottom end of the base 1 and is detachably and fixedly installed at the lower end exposed part of the rotating shaft 2, specifically, a flat square connecting section 201 is arranged at the lower end exposed part of the rotating shaft 2, a flat square connecting hole 401 is arranged at the center of the counterweight flywheel 4, the counterweight flywheel 4 is sleeved on the flat square connecting section 201 through the flat square connecting hole 401 and is fixedly connected with a gasket 15 through an inner hexagonal screw 14, when the counterweight flywheel with another weight specification needs to be replaced, the base 1 can be firstly turned over for a certain angle to expose the counterweight flywheel 4, and then the inner hexagonal screw 14 and the gasket 15 are loosened to correspondingly replace the counterweight flywheel, so that the tension training requirements of different degrees can be met;

the guide roller 5, the guide roller 5 is rotatably arranged on the base 1;

a handle 6, the handle 6 being located above the base 1;

and a pull rope 7, wherein one end of the pull rope 7 is connected with the handle 6, and the other end of the pull rope 7 is wound and fixed on the winding drum 3 after passing through the guide roller 5.

As described above, during training, a trainer stands on the base 1, pulls the handle 6 upwards, and makes the pull rope 7 sequentially drive the guide roller 5, the winding drum 3 and the counterweight flywheel 4 to rotate towards the direction that makes the pull rope 7 unwind relative to the winding drum 3, so as to realize the stretching process during tension training, when the pull rope 7 reaches the complete unwinding position, that is, when the handle 6 is pulled upwards to the highest point, the counterweight flywheel 4 will drive the winding drum 3 to continue to rotate due to self inertia, so that the pull rope 7 is rewound on the winding drum 3 and drives the handle 6 to move downwards, and then the contraction process during tension training is realized.

In this embodiment, the bottom surface of the base 1 is provided with an inward concave space 103 for accommodating the counterweight flywheel 4, so that the counterweight flywheel 4 does not protrude from the bottom surface of the base 1 to interfere with the base 1 placed on the ground. In this embodiment, the concave space 103 is a concave cavity structure recessed at the bottom end of the base 1 and matching with the shape of the weighted flywheel 4, but the concave space 103 is not limited to the concave cavity structure.

In this embodiment, the upper end of the rotating shaft 2 is exposed out of the top end of the base 1, the exposed part of the upper end of the rotating shaft 2 is fixedly connected with a starting disc 8, and a cavity 104 for accommodating the starting disc 8 is formed on the top surface of the base 1. This start-up dish 8 can play the effect of supplementary start-up, specifically, before the training person is doing the pulling force training, can with the foot earlier to make stay cord 7 for reel 3 loose roll direction collude start-up dish 8 once, make stay cord 7 loosen in advance, then to lifting handle 6, just can let stay cord 7 move more smoothly nimble for reel 3's the action of loosing roll. In order to allow the trainee to accurately recognize the unwinding direction, the starting tray 8 is provided with an arrow indicating the unwinding direction.

In the present embodiment, the winding drum 3 has the frustoconical winding surface 31 with a small upper part and a large lower part, and the pull rope 7 is continuously spirally wound from the small end of the frustoconical winding surface 31 to the large end of the frustoconical winding surface 31, so that the reliability of winding and unwinding the pull rope 7 can be improved. Further, it is preferable that the frustoconical winding surface 31 of the spool 3 is further provided with a continuous spiral-shaped cord groove 311 in the axial direction in order to wind the auxiliary cord 7 in a continuous spiral shape on the frustoconical winding surface 31.

In this embodiment, the sensor 9 for sensing the working parameters (e.g., the number of rotations, etc.) of the counterweight flywheel 4 is disposed in the concave space 103, and the sensor 9 can communicate the sensed working parameters with an external smart device via bluetooth, so that a trainer can know the movement of the trainer via the external smart device.

In this embodiment, the guide roller 5 is rotatably disposed in the accommodating space 101 of the base 1, the middle of the front end of the upper surface of the base 1 is provided with a pull rope through hole 105 for the pull rope 7 to penetrate into the accommodating space 101 of the base 1, the center of the pull rope through hole 105 and the axis of the rotating shaft 2 are both located on the longitudinal central plane of the base 1, and the pedal spaces 102 are respectively formed on both sides of the upper surface of the base 1, so that the design can ensure the stability of the base 1 in use.

In this embodiment, the guide roller 5 includes a first guide roller 501 located in front of the winding drum 3 and close to the rope through hole 105, and a second guide roller 502 located in back of the winding drum 3 and deviated from the axis of the winding drum 3, the first guide roller 501 is horizontally and rotatably disposed and inclined at a certain angle with respect to the winding drum 3, the second guide roller 502 is vertically and rotatably disposed, and the rope 7 penetrates the accommodating space 101 of the base 1 through the rope through hole 105 and sequentially winds around the first guide roller 501 and the second guide roller 502 and is fixed on the winding drum 3.

In this embodiment, the bottom surface of the base 1 is provided with the first access opening 107 located right below the first guide roller 501 and the second access opening 108 located on one side below the winding drum 3, and when the winding or unwinding operation of the pull rope 7 is abnormal, the inspection and the overhaul can be performed through the two access openings. In addition, the bottom surface of the base 1 is further provided with a clamping block 109 for clamping and storing the hexagonal wrench 16, and when the counterweight flywheel needs to be disassembled and replaced, the hexagonal wrench 16 can be taken out for use.

In this embodiment, be equipped with adjust knob 11 on

handle

6, 7 one ends of stay cord are around establishing and fixing on adjust knob 11, adjust knob 11 can make the stay cord 7 rolling on this adjust knob 11 or from this adjust knob 11 upward the pine book for the rotational motion of handle 6, thereby make stay cord 7 shorten and let handle 6 position reduce, or make stay cord 7 grow and let handle 6 position rise, and then satisfy the handheld use of the crowd of different heights, still have on the handle 6 and be used for making adjust knob 11 stop structure 12 that keeps motionless when no exogenic action.

In this embodiment, the limiting structure 12 includes a first one-way toothed disc 121, a second one-way toothed disc 122 and a spring 123, the first one-way toothed disc 121 is disposed on the handle 6, the second one-way toothed disc 122 is engaged with the first one-way toothed disc 121 in an opposite direction, the spring 123 is disposed on a back side of the second one-way toothed disc 122 to keep the second one-way toothed disc 122 engaged with the first one-way toothed disc 121, a square connecting shaft 1221 is disposed at a front side center of the second one-way toothed disc 122, the square connecting shaft 1221 is disposed through the adjusting knob 11 and is circumferentially fixed and axially movably engaged with the adjusting knob 11, a pressing portion 1222 exposed to the adjusting knob 11 is disposed at a front end of the square connecting shaft 1221, and when the pressing portion 1222 is pressed, the square connecting shaft 1221 is axially moved inward and the second one-way toothed disc 122 is disengaged from the first one-way toothed disc 121. During training, when the position of handle 6 is too high and need reduce the height, the person of training only needs to rotate adjust knob 11, let stay cord 7 roll on adjust knob 11, can make stay cord 7 shorten and reduce handle 6, when the position of handle 6 is low excessively and need rise, the person of training only needs to press inwards to press the splenium 1222 to make square connecting shaft 1221 axial move inwards and let second one-way fluted disc 122 and first one-way fluted disc 121 disengage the meshing, go up again and carry handle 6, can make adjust knob 11 for handle 6 reverse rotation and let stay cord 7 from adjust knob 11 pine book, then make stay cord 7 grow and rise handle 6.

In this embodiment, the upper surface of base 1 still is equipped with positioning groove 106, is equipped with the location convex part 601 with positioning groove 106 shape looks adaptation on the handle 6, and accessible this location convex part 601 is put into this positioning groove 106 and is fixed a position and place when handle 6 is not used to make things convenient for putting of handle 6, simultaneously, the front end downside of base 1 still is equipped with handle 13, and handle 13 can make things convenient for the training person to carry and take this pulling force trainer.

The above description is only a preferred embodiment of the present invention, and the scope of the present invention should not be limited thereby, and all the simple equivalent changes and modifications made in the claims and the description of the present invention are within the scope of the present invention.

Claims

1. A pull training device, comprising:

the base is internally provided with an accommodating space, and the upper surface of the base is provided with a pedal space for a human body to stand;

the rotating shaft is vertically and rotatably arranged in the accommodating space of the base, and the lower end of the rotating shaft is exposed out of the bottom end of the base;

the winding drum is positioned in the accommodating space of the base, and the winding drum is sleeved outside the rotating shaft and fixedly connected with the rotating shaft or integrally formed;

the counterweight flywheel is positioned outside the bottom end of the base and is detachably and fixedly arranged on the lower end exposed part of the rotating shaft;

the guide roller is rotatably arranged on the base;

a handle located above the base;

and one end of the pull rope is connected with the handle, and the other end of the pull rope is wound around the guide roller and then is fixed on the winding drum.

2. A pull training device according to claim 1 wherein: the bottom surface of the base is provided with an inward concave space for accommodating the counterweight flywheel.

3. A pull training device according to claim 1 wherein: the upper end of the rotating shaft is exposed out of the top end of the base, a starting disc is fixedly connected to the exposed part of the upper end of the rotating shaft, and a cavity for accommodating the starting disc is formed in the top surface of the base.

4. A pull training device according to claim 1 wherein: the winding drum has a truncated conical winding surface with a small upper part and a large lower part, and the pull rope is continuously spirally wound from the small end of the truncated conical winding surface to the large end of the truncated conical winding surface.

5. A pull training device according to claim 2 wherein: the sensor used for sensing the working parameters of the counterweight flywheel is arranged in the concave space, and the sensor can communicate the sensed working parameters with external intelligent equipment through Bluetooth.

6. A pull training device according to claim 1 wherein: the guide roller is rotatably arranged in the accommodating space of the base, and a pull rope through hole for the pull rope to penetrate into the accommodating space of the base is formed in the upper surface of the base.

7. The pull training device of claim 6, wherein: the deflector roll is including being located reel the place ahead is just close to the fenestrate first deflector roll of stay cord with be located the reel rear just deviates the second deflector roll in reel axle center, the rotatable setting of first deflector roll level just for the reel is certain angle slope, the rotatable setting is erect to the second deflector roll, the stay cord warp the stay cord is perforated and is penetrated the accommodation space of base and in proper order the warp coil and fix behind first deflector roll and the second deflector roll on the reel.

8. A pull training device according to claim 1 wherein: the handle is provided with an adjusting knob, one end of the pull rope is wound and fixed on the adjusting knob, the adjusting knob can be wound on the adjusting knob or unwound from the adjusting knob through the rotating action of the adjusting knob relative to the handle, and the handle is further provided with a limiting structure which is used for keeping the adjusting knob immovable when no external force acts on the adjusting knob.

9. The pull training device of claim 8, wherein: limiting structure includes first one-way fluted disc, the one-way fluted disc of second and spring, first one-way fluted disc sets up on the handle, the one-way fluted disc of second with first one-way fluted disc meshes in opposite directions, the spring sets up the back side of the one-way fluted disc of second is used for making the one-way fluted disc of second with first one-way fluted disc keeps the meshing trend, the front side center of the one-way fluted disc of second is provided with square connecting axle, and this square connecting axle wears to locate adjust knob and with fixed and axial clearance fit of adjust knob circumference, the front end of this square connecting axle be provided with expose in adjust knob presses the splenium, can make square connecting axle axial inwardly move and let when pressing the splenium second one-way fluted disc with first one-way fluted disc breaks away from the meshing.

10. A pull training device according to any one of claims 1 to 9 wherein: the upper surface of base still is equipped with positioning groove, be equipped with on the handle with positioning groove shape looks adaptation's location convex part, the handle accessible when not using the location convex part is put into carry out the location and place in the positioning groove, the front end downside of base still is equipped with the handle.