CN215916348U

CN215916348U - Tension body-building device

Info

Publication number: CN215916348U
Application number: CN202122155694.4U
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 pulling force body-building device which comprises a base, a pulling rope winding device and a handle, wherein the pulling rope winding device comprises a rotating shaft which is rotatably arranged on the base, and a winding drum and a counterweight flywheel which are coaxially arranged on the rotating shaft, the winding drum is provided with a truncated cone-shaped winding surface which is gradually reduced from one end close to the counterweight flywheel to the end far away from the counterweight flywheel, one end of the pulling rope is wound on the truncated cone-shaped winding surface in a multi-turn continuous spiral shape along the axial direction, and the other end of the pulling rope is connected with the handle. This pulling force body-building device can improve the pulling force when taking exercise, the reliability of stay cord rolling and pine book to ensured the stability that the device used from this.

Description

Tension body-building device

Technical Field

The utility model relates to the field of fitness equipment, in particular to a tension fitness 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. Because the flywheel shaft is of a cylindrical structure in the trainer, the pull rope is basically wound along the same axial position of the flywheel shaft repeatedly when wound on the flywheel shaft, so that the pull rope is easily stacked disorderly and disorderly, the reliability of the pull rope during winding is influenced, the reliability of the pull rope during unwinding is also influenced, the normal use of the centrifugal trainer is finally influenced, and the improvement is waited for.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art and provide a tension body-building device which can ensure that a pull rope is orderly wound on the surface of a winding drum in a multi-circle continuous spiral shape along the axial direction, thereby improving the reliability of winding and unwinding of the pull rope and ensuring the use stability of the device.

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

the utility model provides a pulling force body-building device, includes base, stay cord coiling mechanism and handle, the stay cord coiling mechanism is including rotationally set up in the pivot and the coaxial setting of base are in epaxial reel and counter weight flywheel, the reel has from being close to the one end of counter weight flywheel is to keeping away from the truncated cone shape coiling surface that the one end of counter weight flywheel gradually diminishes, stay cord one end is along the axial to be the continuous heliciform of many circles and convolutes on this truncated cone shape coiling surface, the stay cord other end with the handle is connected.

Further, the cord is wound from the small end of the frustoconical winding surface to the large end of the frustoconical winding surface as it is wound on the frustoconical winding surface.

Furthermore, a plurality of circles of continuous spiral rope coiling grooves are axially arranged on the truncated cone-shaped winding surface.

Further, the winding drum is also provided with a disc-shaped balancing part which is positioned at one end of the truncated cone-shaped winding surface far away from the counterweight flywheel and has a diameter larger than the maximum diameter of the truncated cone-shaped winding surface, and the winding end part of the pull rope is fixed on the disc-shaped balancing part.

Furthermore, the reel still has along the axial be the center trepanning that runs through the structure, the reel through this center trepanning overcoat in the pivot and with pivot is through pin fixed connection.

Furthermore, the end of the rotating shaft is provided with a flat square connecting part, the center of the counterweight flywheel is provided with a flat square connecting hole, and the counterweight flywheel is sleeved outside the flat square connecting part through the flat square connecting hole at the center of the counterweight flywheel and is detachably and fixedly connected with the flat square connecting part by virtue of a screw.

Further, the rotating shaft is vertically arranged on the base, and the counterweight flywheel is horizontally arranged relative to the base.

Further, the counterweight flywheel is positioned right below the winding drum.

Further, the stay cord coiling mechanism also comprises a guide roller which is rotatably arranged on the base, and the winding end of the stay cord is wound on the truncated cone-shaped winding surface of the winding drum after passing through the guide roller.

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

in the utility model, the winding surface of the stay cord of the winding drum is set to be the truncated cone-shaped winding surface structure which is gradually reduced from one end close to the counterweight flywheel to the other end far away from the counterweight flywheel, so that the stay cord can be ensured to be orderly wound and superposed on the surface of the winding drum in a multi-turn continuous spiral line shape along the axial direction of the winding drum when the stay cord is wound every time, the disordered stacking phenomenon in the prior art can not occur, and simultaneously, the stay cord can be gradually and orderly loosened along the direction opposite to the winding direction when the stay cord is unwound every time, thereby greatly improving the reliability of winding and unwinding of the stay cord and ensuring the use stability of the device.

Drawings

Fig. 1 is a perspective view of a tension body-building device according to the present invention.

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

Fig. 3 is an exploded view of the first pull-force body-building device of the present invention.

Fig. 4 is an exploded view of a second embodiment of the pull-force exercise device of the present invention.

Fig. 5 is an enlarged schematic view of the spindle and spool of fig. 4.

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 5, the pull-force body-building device according to the present embodiment includes a base 1, a pull rope 2, a pull rope winding device 3 and a handle 4, wherein the pull rope winding device 3 includes a rotating shaft 31 rotatably disposed on the base 1, and a winding drum 32 and a counterweight flywheel 33 coaxially disposed on the rotating shaft 31, the winding drum 32 has a frustoconical winding surface 321 gradually decreasing from an end close to the counterweight flywheel 33 to an end away from the counterweight flywheel 33, one end of the pull rope 2 is wound on the frustoconical winding surface 321 in a multi-turn continuous spiral shape along an axial direction, and the other end of the pull rope 2 is connected to the handle 4.

And it is preferable that the pulling rope 2 is wound from the small end of the frustoconical winding surface 321 (i.e., the end away from the weighted flywheel 33) to the large end of the frustoconical winding surface 321 (i.e., the end close to the weighted flywheel 33) when wound on the frustoconical winding surface 321.

When the pulling force was tempered, the motion of carrying of handle 4 can drive stay cord 2 along the axial from the big end of the conical winding surface 321 of cross-section to the orderly pine of tip and roll up, realize the tensile process when the pulling force was tempered then, when stay cord 2 reachd the position of loosing to the whole, also when handle 4 carried and was pulled to extreme position, counter weight flywheel 33 will take pivot 31 and reel 32 to continue to rotate owing to self inertia, thereby let stay cord 2 along the axial from the tip of the conical winding surface 321 of cross-section to the big end be many circles of continuous spiral form and convolute again on this surface and drive handle 3 and retrieve, shrink process when realizing the pulling force and tempering then.

In this embodiment, the frustoconical winding surface 321 is provided with a plurality of turns of the continuous helical winding groove 3211 along the axial direction, and the winding groove 3211 facilitates the auxiliary cord 2 to be wound on the frustoconical winding surface 321 along the axial direction in a plurality of turns of the continuous helical winding.

In this embodiment, the winding drum 32 further has a disc-shaped balancing portion 322 located at an end of the frustoconical winding surface 321 away from the weighted flywheel 33 and having a diameter larger than the maximum diameter of the frustoconical winding surface 321, the disc-shaped balancing portion 322 can balance the weight of the entire winding drum 32 to prevent the winding end of the rope 2 from being heavy and light, the winding end of the rope 2 is fixed to the disc-shaped balancing portion 322, specifically, a through hole may be provided in the disc-shaped balancing portion 322, and the winding end of the rope 2 is fixed by knotting after passing through the through hole.

In this embodiment, the winding drum 32 further has a central sleeve hole 323 penetrating axially, and the winding drum 32 is sleeved on the rotating shaft 31 through the central sleeve hole 323 and is fixedly connected with the rotating shaft 31 through a pin.

In this embodiment, the end of the rotating shaft 31 is provided with a flat-square connecting portion 311, the center of the counterweight flywheel 33 is provided with a flat-square connecting hole 331, and the counterweight flywheel 33 is sleeved on the flat-square connecting portion 311 through the flat-square connecting hole 331 at the center thereof and is detachably and fixedly connected with the flat-square connecting portion 311 by means of the screw 5 and the gasket 6, so that when the counterweight flywheel 33 with another weight specification needs to be replaced, the counterweight flywheel 33 can be detached and replaced by loosening the screw 5 and the gasket 6.

In this embodiment, the rotating shaft 31 is vertically disposed on the base 1, the counterweight flywheel 33 is horizontally disposed with respect to the base 1, and the counterweight flywheel 33 is located right below the winding drum 32.

In this embodiment, the rope winding device 3 further includes a guide roller 34 rotatably disposed on the base 1, and the winding end of the rope 2 is wound around the guide roller 34 and then wound on the truncated conical winding surface 321 of the winding drum 32.

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. The utility model provides a pulling force body-building device, includes base, stay cord coiling mechanism and handle, its characterized in that: the pull rope winding device comprises a rotating shaft, a winding drum and a counterweight flywheel, wherein the rotating shaft is rotatably arranged on the base, the winding drum and the counterweight flywheel are coaxially arranged on the rotating shaft, the winding drum is provided with a truncated cone-shaped winding surface, the truncated cone-shaped winding surface is gradually reduced from one end close to the counterweight flywheel to the end far away from the counterweight flywheel, one end of the pull rope is wound on the truncated cone-shaped winding surface in a multi-turn continuous spiral shape along the axial direction, and the other end of the pull rope is connected with the handle.

2. The pull-fitness device of claim 1, wherein: the cord is wound from the small end of the frustoconical winding surface to the large end of the frustoconical winding surface as the cord is wound on the frustoconical winding surface.

3. A pull-fitness apparatus according to claim 1 or 2, wherein: and a plurality of circles of continuous spiral rope coiling grooves are axially arranged on the truncated cone-shaped winding surface.

4. A pull-fitness apparatus according to claim 1 or 2, wherein: the winding drum is also provided with a disc-shaped balancing part which is positioned at one end of the truncated cone-shaped winding surface far away from the counterweight flywheel and has a diameter larger than the maximum diameter of the truncated cone-shaped winding surface, and the winding end part of the pull rope is fixed on the disc-shaped balancing part.

5. A pull-fitness apparatus according to claim 1 or 2, wherein: the reel still has and is the central trepanning that runs through the structure along the axial, the reel through this central trepanning overcoat in the pivot and with pivot passes through pin fixed connection.

6. A pull-fitness apparatus according to claim 1 or 2, wherein: the end of the rotating shaft is provided with a flat square connecting portion, the center of the counterweight flywheel is provided with a flat square connecting hole, and the counterweight flywheel is sleeved outside the flat square connecting portion through the flat square connecting hole in the center of the counterweight flywheel and is detachably and fixedly connected with the flat square connecting portion through screws.

7. A pull-fitness apparatus according to claim 1 or 2, wherein: the rotating shaft is vertically arranged on the base, and the counterweight flywheel is horizontally arranged relative to the base.

8. A pull-fitness apparatus according to claim 1 or 2, wherein: the counterweight flywheel is positioned right below the winding drum.

9. A pull-fitness apparatus according to claim 1 or 2, wherein: the stay cord coiling mechanism further comprises a guide roller which is rotatably arranged on the base, and the winding end of the stay cord is wound on the truncated cone-shaped winding surface of the winding drum after passing through the guide roller.