CN215961977U

CN215961977U - Weight bearing device for body building apparatus

Info

Publication number: CN215961977U
Application number: CN202122451542.9U
Authority: CN
Inventors: 钟志良
Original assignee: Chengti Kinetic Energy Technology Co ltd
Current assignee: Chengti Kinetic Energy Technology Co ltd
Priority date: 2021-02-03
Filing date: 2021-10-12
Publication date: 2022-03-08
Anticipated expiration: 2031-10-12
Also published as: TWI745232B; TW202231314A

Abstract

The utility model discloses a loading device for fitness equipment, which comprises a shell, a driving device arranged in the shell and a linkage device arranged in the shell and linked with the driving device; wherein, the driving device comprises a driving motor, the driving motor can drive the linkage wheel and the stress wheel of the linkage device to be linked, the stress wheel is connected with a stress belt around a connecting ring, and the tail end of the stress belt can be connected with a body-building apparatus; therefore, the driving motor can generate a torque when being driven, and simultaneously, the force-bearing belt generates a pulling force relative to the torque through the linkage of the linkage wheel and the force-bearing wheel, thereby replacing the load of the traditional load block, not only being capable of quickly and conveniently adjusting the required pulling force, but also being capable of improving the use safety, reducing the use noise and reducing the whole volume.

Description

Weight bearing device for body building apparatus

Technical Field

The utility model relates to a load bearing device, in particular to a load bearing device for fitness equipment.

Background

Referring to fig. 1, a weight device 1 for a conventional exercise apparatus 2 includes a frame 11, a plurality of weight blocks 12 disposed in the frame 11, and an adjusting member 13 for controlling the pulling amount of the weight blocks 12, wherein the weight device 1 mainly uses the weight blocks 12 as a weight, and adjusts the amount of the weight blocks 12 to be pulled according to the position of the adjusting member 13, so that a user can select a proper amount of weight blocks 12 according to his/her physical ability, and during exercise, the exercise apparatus 2 pulls the weight blocks 12 to ascend in the frame 11 to achieve the purpose of muscle strength and muscle endurance training; however, the conventional load device 1 mainly adjusts by driving the amount of the negative weight 12, so the frame body 11 of the load device 1 must be provided with the negative weight 12 and provide the range of motion of the negative weight 12, and the frame body 11 needs a larger volume to be sufficient for the placement and motion of the negative weight 12, which results in an excessively large occupied space, and each negative weight 12 is a fixed weight and can only provide relative segment numbers according to the multiple of the negative weight 12, which cannot finely adjust the load, and causes inconvenience in load adjustment.

Further, when the weight 12 is mounted more, the inertial force of the gravity acceleration generated at the time of the return stroke is larger, so that the exercise injury is easily caused by the inertial force, and the noise is generated by the collision during the movement of the weight 12, so that the sporter feels harsh or uncomfortable to the noise, which is a real need to be improved.

SUMMERY OF THE UTILITY MODEL

Therefore, the present invention is directed to a weight-bearing device for exercise equipment, which has a reduced size, a reduced noise, and improved safety and convenience.

Therefore, the utility model relates to a load-bearing device for fitness equipment, which comprises a shell, a driving device arranged in the shell and a linkage device which is arranged in the shell and is linked with the driving device; the driving device comprises a driving motor arranged in the shell and a controller for controlling the driving motor to rotate; in addition, the linkage device is provided with a transmission belt which is arranged in the shell and connected with the driving motor, a linkage wheel which is linked by the transmission belt, a stress wheel which is linked with the linkage wheel, a stress belt which is connected with the stress wheel and drives the stress wheel to rotate opposite to the linkage wheel, and a positioning block which positions the stress belt, and the tail end of the stress belt can be connected with a body-building apparatus; therefore, when the controller controls the driving motor to drive and operate, a torque is generated, the torque force is transmitted to the linkage wheel and the stress wheel, and the stress belt generates a tensile force relative to the torque to replace a load mode of a traditional negative weight block, so that the whole volume can be reduced, the use noise of the collision of the negative weight block is avoided, the driving motor can be controlled to output the torque quickly through the controller, the required tensile force can be adjusted quickly and conveniently, the situation of injury caused by inertia acting force can be avoided through the driving mode of the driving motor, and the use safety is improved.

Drawings

FIG. 1 is a schematic view of a conventional exercise apparatus and a weight-bearing device;

FIG. 2 is a schematic structural diagram of a first embodiment of the present invention;

FIG. 3 is a schematic structural diagram of a first embodiment of the present invention;

fig. 4 to 5 are schematic operation diagrams of the first embodiment of the present invention.

Description of the symbols:

[ Prior Art ]

1 weight bearing device

11: frame body

12 weight bearing block

13 adjusting part

2, body-building equipment

[ invention ]

3 weight bearing device

31 casing

311 an accommodation space

312 opening a hole

32 driving device

321 drive motor

322 controller

33 linkage device

331: transmission belt

332, a linkage wheel

333 stress wheel

334 stress belt

335 positioning block

336 connecting end

4: fitness equipment

41 acting end

Detailed Description

These and other aspects, features and advantages of the present invention will become apparent from the following detailed description of preferred embodiments, which is to be read in connection with the accompanying drawings.

Referring to fig. 2 and 3, in a first preferred embodiment of the present invention, the load-bearing device 3 for exercise equipment comprises a housing 31, a driving device 32 disposed in the housing 31, and a linkage device 33 disposed in the housing 31 and linked with the driving device 32; wherein, an accommodating space 311 is formed in the housing 31, and at least one opening 312 is formed on the housing 31 for allowing the accommodating space 311 and an external space; in addition, the driving device 32 includes a driving motor 321 disposed in the housing 31, and a controller 322 for controlling the rotation of the driving motor 321, wherein the driving motor 321 can be a dc motor during actual use, and the controller 322 can control the output current to the driving motor 321 for adjusting and controlling the output torque and the rotation speed of the driving motor 321.

Still above, the linking device 33 has a transmission belt 331 disposed in the casing 31 and connected to the driving motor 321, a linking wheel 332 linked to the transmission belt 331, a force receiving wheel 333 linked to the linking wheel 332, a force receiving belt 334 connected to the force receiving wheel 333, and a positioning block 335 for positioning the force receiving belt 334, wherein the force receiving belt 334 is partially wound around the force receiving wheel 333, and a connecting end 336 is formed at the end of the force receiving belt 334, the connecting end 336 extends out of the casing 31 after passing through the opening 312, and the positioning block 335 positions and limits the connecting end 336 outside the casing 31; in addition, in the embodiment, the exercise device 4 has an acting end 41, and the acting end 41 is connected to the connecting end 336.

Referring to fig. 2 and 3, in this embodiment, after the controller 322 controls the driving motor 321 to rotate, the driving motor 321 drives the driving belt 331 to link, the driving belt 331 links the linking wheel 332 to rotate, and the linking wheel 332 links the force-receiving wheel 333 to rotate during the rotation process, at this time, the force-receiving belt 334 wound on the force-receiving wheel 333 is wound by the rotation of the force-receiving wheel 333, and since the end of the force-receiving belt 334 is limited by the positioning block 335, the force-receiving belt 334 is in a tensioned state, so that the force-receiving wheel 333 is fixed by the force-receiving belt 334, and the linking wheel 332, the driving belt 331 and the driving motor 321 are in a stopped state, because the controller 322 continuously controls the output torque of the driving motor 321, the output torque of the driving motor 321 is kept constant, the force-bearing belt 334 is subjected to a pulling force of the driving motor 321 relative to the torque force, and the pulling force can be used as a negative gravity required by body-building, so that the driving motor 321 is controlled by the controller 322 to output the torque force, the negative gravity required by body-building can be easily, quickly and accurately adjusted, and the adjustment in a manner of increasing or reducing the negative weight blocks is not required, so that the whole volume and the use space of the load-bearing device 3 can be reduced, and the noise caused by the mutual collision or placement of the existing negative weight blocks in the actuating process can be avoided.

Referring to fig. 2 and 4, when the user uses the exercise apparatus 4, since the action end 41 of the exercise apparatus 4 is connected to the connection end 336 of the force-receiving belt 334, after pulling the exercise apparatus 4, when the force applied to the exercise apparatus 4 by the user is greater than the torque force of the driving motor 321, the force-receiving belt 334 is pulled, so that the force-receiving wheel 333 rotates in the reverse direction, and the force-receiving wheel links the linking wheel 332, the transmission belt 331 and the driving motor 321 to rotate in the reverse direction; referring to fig. 5, when the user releases his/her hand, the force-receiving belt 334 is unsupported, and the force-receiving belt 334 is rotated by the same torque force from the driving motor 321, so as to drive the driving belt 331, the driving wheel 332, and the force-receiving wheel 333 to rotate, and the force-receiving belt 334 is wound around the force-receiving wheel 333, until the positioning block 335 moves to the opening 312, the positioning block 335 is blocked at the opening 312, so that the force-receiving belt 334 stops continuously winding onto the force-receiving wheel 333, and the driving motor 321 maintains a certain torque, so that the force-receiving belt 334 can be tightened for the next operation of the user, therefore, with this design, when the user releases his/her hand, the inertia increase caused by the gravitational acceleration during playback can be avoided without using the conventional negative weight, and the user can be prevented from being injured by the inertia, furthermore, the controller 322 can also control the speed at which the driving motor 321 is pulled back, the user can adjust the pulling-back speed according to the self motion mode, thereby achieving the effect of protecting the user.

Summarizing the above, the weight device for fitness equipment of the present invention comprises a housing, a driving device disposed in the housing, and a linkage device disposed in the housing and linked with the driving device; wherein, the driving device is provided with a driving motor and a controller for controlling the torque and the speed of the driving motor, so that when the controller controls the driving motor to drive and operate, a torque is generated to transmit the torque force to the linkage wheel and the stressed wheel, and the force-bearing belt generates a pulling force corresponding to the torque to replace the load mode of the traditional negative weight, so that the volume of the whole structure can be reduced, meanwhile, the noise caused by the friction and the knocking of the weight bearing block can be avoided in the using process, the using environment is more quiet and comfortable, when in use, the situation that the user is injured due to inertia of the weight block caused by weight and speed can be avoided, thereby improving the use safety, and can more quickly and randomly adjust the required negative gravity through the controller to achieve the use convenience, thereby really achieving the purpose of the utility model.

However, the above description is only for the purpose of illustrating the preferred embodiments of the present invention, and should not be taken as limiting the scope of the utility model, which is defined by the appended claims and the description of the utility model.

Claims

1. A weight bearing device for exercise equipment, comprising:

a shell, wherein an accommodating space is formed in the shell, and at least one opening for connecting the accommodating space with the outside is formed in the shell;

the driving device comprises a driving motor arranged in the accommodating space and a controller for controlling the driving motor to rotate; and

a linkage device which is provided with a transmission belt arranged in the shell and connected with the driving motor, a linkage wheel linked by the transmission belt, a stress wheel linked with the linkage wheel, a stress belt connected with the stress wheel and driving the stress wheel to rotate opposite to the linkage wheel, and a positioning block for positioning the stress belt, the stressed belt is partially wound on the stressed wheel, and a connecting end is formed at the tail end of part of the stressed belt, the connecting end extends out of the shell after penetrating through the opening, and the positioning block positions the connecting end outside the shell, the positioning block is blocked at the opening, so that the stressed belt stops being continuously wound onto the stressed wheel, and a certain torque is still maintained by the driving motor, therefore, the force-bearing belt can be tightened, and the controller controls the speed of the driving motor for pulling back the force-bearing belt.

2. The weight-bearing apparatus for exercise equipment of claim 1, wherein the exercise equipment has an active end, the active end being connected to the connecting end.