CN217886887U - Rope pulling mechanism for fitness equipment and fitness equipment using rope pulling mechanism - Google Patents

Abstract

The utility model discloses a stay cord mechanism for body-building apparatus and body-building apparatus using the stay cord mechanism, which is used for the body-building apparatus and comprises a driving unit and a stay cord unit. The driving unit comprises a motor, a speed reducer and a winding drum connected with the motor, and the rope pulling unit comprises a rope and a steering wheel adjacent to the winding drum; the pull rope is connected with the winding drum at one end, so that the pull rope can be wound on the winding drum under the pulling of the winding drum, when a user pulls the pull rope, the drive unit provides adjustable resistance to rotation, and the resistance is transmitted to the winding drum through the motor driving speed reducing device so as to control the difficulty of the pull rope in stretching. Thus, the present invention has adjustable resistance to provide different levels of user training.

Description

Rope pulling mechanism for fitness equipment and fitness equipment using rope pulling mechanism

Technical Field

The utility model relates to a body-building apparatus, in particular to a stay cord mechanism for body-building apparatus and body-building apparatus using the stay cord mechanism.

Background

The tradition disposes body-building apparatus of pulling force rope carries out weight training to upper arm and pectoral muscle through pulling produced elasticity behind the rope body to and then reach muscle exercise effect, and step on or be fixed in the plane like the fixed mode on the wall with the stretch cord through the foot, strengthen the training effect, the shortcoming is that fixed mode has unstable risk, probably causes motion injury or accident.

In order to provide a user with various exercise modes and exercise equipment with high practicability, a plurality of platform type fitness equipment combining elastic ropes and pull ropes are available on the market, and the arms and the pectoral muscles are trained through the elastic ropes and the pull ropes so as to achieve a multifunctional exercise effect, and related technologies are also disclosed in a novel patent M305685. The platform type pull rope fitness equipment with the elastic rope and the pull rope has the defects that the elastic rope has fixed telescopic elastic force, higher-strength training cannot be provided for a user, the steel belt tightening resistance wheel is used for providing pull rope resistance, and noise and part abrasion are easily generated due to friction when the pull rope is pulled.

SUMMERY OF THE UTILITY MODEL

One of the objectives of the present invention is to provide a rope pulling mechanism for fitness equipment, which can solve at least one of the above disadvantages.

In order to solve the above technical problem, the utility model provides a stay cord mechanism for fitness equipment, which comprises a driving unit and a stay cord unit. The driving unit is provided with a motor, a speed reducer connected with the motor and provided with an output end, and a winding drum connected with the output end of the speed reducer. The pull rope unit is provided with a pull rope and at least one steering wheel, the pull rope is wound on the winding drum and is provided with a first end fixed on the winding drum, a second end opposite to the first end and a body part positioned between the first end and the second end, the body part extends out from the winding drum, and the body part of the pull rope is wound on the at least one steering wheel and extends out.

Compared with the prior art, the utility model provides a resistance when the stay cord pulling is provided to the drive unit that utilizes to dispose motor, decelerator and reel, not only can provide high strength and adjustable training resistance for the user, and can not produce the friction noise when the stay cord pulling relatively. Secondly, the utility model provides a stay cord mechanism, simple structure and equipment are easy to utilize one or more directive wheel to change the extending direction of stay cord, so can be used to as damping device in various body-building apparatus such as rowing machine, planer-type weight training machine, platform formula stay cord body-building machine.

Preferably, the reduction means may comprise a plurality of intermeshing gears. Therefore, the gear reducer can be matched with a traditional gear reducer to achieve various applicability.

Preferably, the speed reduction device may include first to fourth pulleys and first to second belts. This motor is connected to this first belt pulley coaxially, but this second belt pulley and the coaxial setting of this third belt pulley synchronous revolution, this reel is connected to this fourth belt pulley coaxially, and this first belt is around locating this first, two belt pulleys, and this second belt is around locating this third, four belt pulleys. Therefore, the torque of the speed reducer is adjusted by changing the rotating speed of the motor, so that appropriate and variable resistance is provided for a user, and the user can obtain the effect of exercise training.

Preferably, the speed reducer includes a plurality of tension adjusting wheels abutting against the first belt and the second belt. In this way, the tension of the belt can be adjusted.

Preferably, the fourth pulley of the speed reducer is integrally formed with the spool. Thus, the components can be simplified and the cost can be reduced.

Preferably, the pulling rope mechanism for exercise equipment further comprises a pulling ring or a pulling rod, and the pulling ring or the pulling rod is fixedly connected to the second end of the pulling rope. Thus, the user can hold the pull ring or the pull rod by hand to conveniently pull the pull rope.

Preferably, the rope pulling mechanism for fitness equipment further comprises a base, the driving unit and the rope pulling unit are arranged on the base, the base is provided with a left pedal and a right pedal for a user to step on, and the body of the rope pulling unit passes through the space between the left pedal and the right pedal. Thus, the utility model discloses a resistance mechanism of rowing machine can be regarded as to the stay cord mechanism.

Preferably, the rope pulling mechanism for fitness equipment further comprises a base; the driving unit is horizontally disposed on the base, and the at least one steering wheel is configured to vertically extend the second end of the pull rope upwards or horizontally extend outwards. Therefore, the rope pulling mechanism of the utility model can be used as a resistance mechanism of the platform type rope pulling body-building machine.

Preferably, the rope pulling mechanism for fitness equipment further comprises a base; the driving unit is vertically arranged on the base, and the at least one steering gear train is configured to enable the second end of the pull rope to vertically extend upwards. Therefore, the utility model discloses a resistance mechanism of planer-type weight training machine can be regarded as to the stay cord mechanism.

The utility model also provides a body-building apparatus, dispose above-mentioned stay cord mechanism. Wherein, the fitness equipment can be a rowing machine, a gantry weight training machine or a platform type pull rope fitness machine.

The detailed structure or characteristics of the rope pulling mechanism and the fitness equipment using the rope pulling mechanism provided by the present invention will be described in the following detailed description of the embodiments. However, it should be understood by those skilled in the art that the detailed description and specific examples, while indicating the specific embodiment of the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention.

Drawings

Fig. 1 is a perspective view of a cord pulling mechanism applied to a platform type cord pulling exercise machine according to a first embodiment of the present invention.

Fig. 2 is an enlarged detail view of fig. 1, particularly illustrating the cord pulling mechanism provided in the first embodiment.

Fig. 3 is a perspective view of a drive unit of a cord mechanism according to a first embodiment of the present invention.

Fig. 4 is a perspective view of a drive unit and a pull cord of a pull cord mechanism according to a second embodiment of the present invention.

Fig. 5 is a perspective view showing a state in which the rope pulling mechanism according to the third embodiment of the present invention is applied to a rowing machine.

Fig. 6 is a perspective view of another perspective view of fig. 5.

Fig. 7 is a perspective view showing a state in which the cord pulling mechanism according to the fourth embodiment of the present invention is applied to a gantry type weight training machine.

Fig. 8 is a perspective view showing a cord pulling mechanism according to a fifth embodiment of the present invention applied to a platform type cord pulling exercise machine.

Description of the symbols

1: platform type pull rope body-building machine

10: rope pulling mechanism

11: frame type platform

14 server

16 power resistance

20 drive unit

21: motor base

212 bottom plate

214 front vertical plate

216 rear vertical plate

218 support column

22: motor

23 speed reduction device

231 first belt pulley

232 the second belt pulley

233 third belt pulley

234 fourth belt pulley

235 first belt

236 second belt

237 tension adjusting wheel

238 support

24: winding drum

30 pull rope unit

34 pulling rope

341 first end

342 the second end

343 body part

36, a steering wheel

361 wheel seat

363 first steering wheel

365 second steering wheel

38, snap ring

39 stop member

40: pull ring

42, a pull rod

50-rowing machine

51 base

53 first beam column

55: second beam column

57 left pedal

59 the right pedal

60 gantry type weight training machine

62: frame

621 vertical side wall

623 top wall

625 perforation

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings.

Applicants first describe herein that throughout this specification, including the examples and claims that follow, directional terminology will be used with reference to the directions in the drawings. Next, in the embodiments and drawings to be described below, the same reference numerals are used to designate the same or similar components or structural features thereof.

Referring to fig. 1 and 2, fig. 1 and 2 show a first embodiment of a rope pulling mechanism 10 configured in a platform type rope pulling exercise machine 1. In this embodiment, the platform-type pull-cord exercise machine 1 has a frame-type platform 11, two sets of servers 14, at least one set of power resistors 16 and two sets of pull-cord mechanisms 10 are disposed inside the frame-type platform 11, wherein the servers 14 and the power resistors 16 are electrically connected to a driving unit 20 of the pull-cord mechanisms, the rotating speed and the torque of the driving unit 20 are adjusted by the control of the servers 14, and in addition, when the driving unit 20 is pulled by the pull-cord mechanisms 10 to generate electric power by the driving unit 20, the electric power is released by the electric energy conversion heat of the power resistors 16, thereby protecting the driving unit 20; since the two sets of the rope mechanisms 10 have the same structure, only one set of the rope mechanism 10 will be described in detail below. As shown in fig. 1 and 2, the rope pulling mechanism 10 mainly includes a driving unit 20, a rope pulling unit 30 and a pulling ring 40. As described above, the platform-type rope-pulling exercise machine 1 of this embodiment is provided with two rope-pulling mechanisms 10 as described above, so that a user can stand on the top surface of the frame-type platform 11 and can respectively hold the pull rings 40 of the rope-pulling mechanisms 10 with the left and right hands, thereby pulling and releasing the rope-pulling unit 30 to and from each other for exercise.

Referring to fig. 2 and fig. 3 again, the driving unit 20 provided in the present embodiment mainly includes a motor base 21, a motor 22, a speed reducer 23, and a reel 24. The motor base 21 has a bottom plate 212, a front vertical plate 214, a rear vertical plate 216, and two support columns 218, wherein the bottom side of the front vertical plate 214 and the bottom side of the rear vertical plate 216 are connected to the top surface of the bottom plate 212 by a fixing method such as welding, and the two support columns 218 are fixed to the left and right top edges of the front and rear vertical plates 214, 216 with their two ends disposed at intervals. The speed reducer 23 is located above the bottom plate 212 and is fixedly installed on the rear side of the rear vertical plate 216. The winding drum 24 is disposed between the front vertical plate 214 and the rear vertical plate 216, the front end of the winding drum 24 is supported by a bearing (not shown) disposed in the front vertical plate 214, and the rear end of the winding drum 24 is coaxially connected to an output shaft (not shown) of the reduction gear 23. The motor 22 is connected to a reduction 23 for providing a source of power. Thus, when the motor 22 is started, the power output from the motor 22 is transmitted to the drum 24 through the reduction gear 23, and the drum 24 is rotated in the normal direction or the reverse direction. The rope unit 30 mainly includes a rope 34 and a steering wheel 36. The pull cord 34 is wound around the spool 24 and has a first end 341 fixed to the spool, a second end 342 opposite to the first end 341, and a body 343 located between the first and second ends 341, 342. As shown in the drawings, when the pull cord 34 is wound around the spool 24, at least a portion of the body 343 extends out from the spool 24. In detail, the first end 341 of the rope 34 is passed through a through hole (not shown) on the drum 24 and then knotted to be fixedly connected to the drum 24, and the second end 342 of the rope 34 is fixed to the pull ring 40 for being grasped by the user through a buckle 38, so that the body 343 of the rope 34 can be pulled by the drum 24 to wind around the drum 24 on one hand, and can be pulled by the user to be released from the drum 24 to drive the drum 24 to rotate during the releasing process, however, it should be noted that the fixing manner of the first end 341 and the second end 342 of the rope 34 to the drum 24 and the pull ring 40 is not limited to that disclosed in the foregoing embodiments, and any possible manner such as binding, hooking, etc. can be used. Next, the steering wheel 36 is freely rotatably disposed on a wheel seat 361 on the bottom frame of the frame-type platform 11, which corresponds to the position of the winding drum 24 at intervals, and after the body 343 of the rope is horizontally extended from the winding drum 24, it is passed around the steering wheel 36 to change its direction and then vertically extended upward.

In the above-mentioned driving unit 20, by adjusting the rotation speed of the motor 22 to output a variable resistance through the speed reducer 23, when the user pulls the pulling rope 34 to generate a pulling force greater than the starting torque of the driving unit 20, the resistance against and in the opposite direction is started, and vice versa. In other words, the present invention provides a rope pulling mechanism 10, which provides a high strength and adjustable training resistance for the user by using the driving unit 20 equipped with the motor 22, the speed reducer 23 and the winding drum 24 to provide the resistance when pulling the rope 34, and the rope 34 will not generate friction noise when pulling. Furthermore, the rope pulling mechanism 10 of the present invention has a simple structure and is easy to assemble, and can change the extending direction of the pulling rope 34 by using one or more steering wheels 36, so that it can be used in various sports apparatuses, such as the platform-type rope pulling exercise machine 1 disclosed in this embodiment, or a rowing machine or a gantry-type weight training machine as will be described in detail below.

In the driving unit 20 of the above embodiment, the motor 22, the speed reducer 23 and the winding drum 24 are coaxially and rotatably disposed, so as to achieve the advantage of reducing the overall volume. The reduction gear 23 is realized by a conventional gear type reduction gear comprising a plurality of gears engaged with each other to provide a transmission with multi-step reduction ratio. However, the speed reducer 23 is not limited to the above embodiments, such as the speed reducer 23 described below.

Referring to fig. 4, fig. 4 is a perspective view of a driving unit 20 of a rope pulling mechanism according to a second embodiment of the present invention, in this embodiment, a speed reducer 23 of the driving unit 20 is composed of a plurality of toothed pulleys and a plurality of belts. In detail, the speed reducer 23 includes a first pulley 231 coaxially connected to the motor 22, a second pulley 232 and a third pulley 233 coaxially disposed and synchronously rotating, a fourth pulley 234 coaxially connected to the drum 24, a first belt 235 wound around the first pulley 231 and the second pulley 232, and a second belt 236 wound around the third pulley 233 and the fourth pulley 234, and in addition, the speed reducer 23 further includes four tension adjusting wheels 237 respectively abutting against the first belt 235 and the second belt 236. The second and third pulleys 232, 233 and the tension adjusting wheel 237 are supported above the motor base 21 by a bracket 238, and the fourth pulley 234 and the winding drum 24 are integrally formed, so that the components are simplified and the cost is reduced. By means of the speed reducer 23, different speed reduction ratios can be provided, and different resistances can be provided when the pull rope 34 is pulled, so that the efficacy of the present invention can be achieved.

Referring to fig. 5 and 6, fig. 5 and 6 show a configuration of applying the rope pulling mechanism 10 provided by the third embodiment of the present invention to a rowing machine 50, wherein fig. 5 and 6 do not show all components of the rowing machine 50, but only show some main components of the rowing machine 50, such as a left pedal and a right pedal, and secondly, the rope pulling mechanism 10 shown in fig. 5 and 6 is substantially the same as the rope pulling mechanism 10 shown in the first embodiment in terms of structure, the main difference is that the number and the arrangement positions of the steering wheels are different, and the second end 342 of the rope pulling 34 is fixedly connected with a pull rod 42, so that the weight training mode is changed from the upper body to the lower body. In detail, the rowing machine 50 includes a base 51 on which the driving unit 20 and the rope unit 30 are disposed, and similarly, the driving unit 20 has a motor base 21, a motor 22, a speed reducer 23 and a winding drum 24, the motor base 21 is fixed on the top surface of the base 51, and the base 51 has a first beam 53, a second beam 55, and a left pedal 57 and a right pedal 59 which are provided on the front side surface of the second beam 55 and on which the user's foot steps. Next, in this embodiment, the rope pulling unit 30 includes a first steering wheel 363 and a second steering wheel 365, wherein the first steering wheel 363 is disposed on the first beam 53 and above the side of the winding drum 24, the second steering wheel 365 is disposed on the second beam 55 and in front of the driving unit 20, and the body 343 of the rope 34 diffracted on the winding drum 24 extends around the first steering wheel 363 and the second steering wheel 365 and passes between the left pedal 57 and the right pedal 59. Therefore, the user can step on the left and right pedals 57 and 59 by feet to pull the pull rope 34 wound around the first and second steering wheels 363 and 365, and when the stepping force of the user is larger than the starting torque force of the driving unit 20, the resistance force resisting the user and the resistance force in the opposite direction is started, and vice versa. In short, the rope pulling mechanism 10 provided by the third embodiment of the present invention can be applied to the rowing machine 50, and can achieve the creation purpose of the present invention.

Referring to fig. 7, fig. 7 shows a configuration in which the cord pulling mechanism 10 provided in the fourth embodiment of the present invention is applied to a gantry-type weight training machine 60, wherein fig. 7 does not show all components of the gantry-type weight training machine 60, but only shows a plurality of main components of the gantry-type weight training machine 60, such as the rack 62, the server 14 and the power resistor 16 are electrically connected to the driving unit 20 of the cord pulling mechanism, the rotating speed and the torque of the driving unit 20 are adjusted by the control of the server 14, and in addition, when the driving unit 20 is pulled by the cord pulling mechanism 10 to enable the driving unit 20 to generate electricity, electricity can be released through the electric energy conversion heat of the power resistor 16, so as to protect the driving unit 20; next, the rope mechanism 10 shown in fig. 7 is substantially the same in structure as the rope mechanism 10 shown in the third embodiment, and the main differences are: in this embodiment, the driving unit 20 of the rope pulling mechanism 10 is vertically fixed on an upright sidewall 621 of the frame 62 by the motor base 21, and a first steering wheel 363 and a second steering wheel 365 of the rope pulling unit 30 are also disposed on the upright sidewall 621, and a body 343 of the rope 34 wound around the reel 24 passes around the first steering wheel 363 and the second steering wheel 365 and extends upward through a through hole 625 of a top wall 623 of the frame 62 and outward, and then the second end of the rope 34 can be guided to a desired position by various pulley arrangements (not shown). Therefore, the rope pulling mechanism 10 can replace the weight block used for providing resistance of the existing gantry type weight training machine 60, and a user can respectively hold the pull ring 40 or the pull rod 42 of each rope pulling mechanism 10 by one hand or the left hand and the right hand, so as to carry out unilateral or bilateral weight training with different strengths. In short, the rope pulling mechanism 10 provided in the fourth embodiment of the present invention can be applied to the gantry weight training machine 60, and can achieve the creation purpose of the present invention.

Referring to fig. 8, fig. 8 shows a situation that the rope pulling mechanism provided in the fifth embodiment of the present invention is disposed on a platform type rope pulling exercise machine 1. The cord mechanism provided in this embodiment is substantially identical to the cord mechanism 10 provided in the first embodiment shown in fig. 1, but differs therefrom only in that the second end 342 of the cord unit 30 is fixed to the buckle 38 after passing through a stopper 39, or in another possible embodiment, the second end 342 of the cord is fixed to the stopper 39, and the stopper 39 is fixed to the pull ring 40 directly or through the buckle 38. In this embodiment, the stop member 39 is implemented as a spherical member, and the size of the stop member 39 is larger than the through hole (not shown) on the top surface of the frame-type platform 11 for passing the pulling rope, so that when the pulling rope unit 30 is pulled and loosened, the stop member 39 can abut against the hole wall of the through hole (i.e., the stop member 39 can abut against the top surface of the platform 11) to limit the bottom dead center of the pulling rope in the furled state. It should be noted that the stop member 39 is not limited to a spherical member, and the fixing manner of the second end 342 of the pull rope with the retaining ring 38, the stop member 39 and the pull ring 40 is not particularly limited, and any feasible manner such as using a binding or a hook can be used.

The above-mentioned embodiments, which further illustrate the objects, technical solutions and advantages of the present invention in detail, it should be understood that the above-mentioned embodiments are only examples of the present invention, and are not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (17)

1. A pull rope mechanism for fitness equipment is characterized by comprising:

a driving unit having a motor, a speed reducer connected to the motor and having an output end, and a winding drum connected to the output end of the speed reducer; and a rope pulling unit, the rope pulling unit comprises:

a pull rope wound on the winding drum, wherein the pull rope is provided with a first end fixed on the winding drum, a second end opposite to the first end, and a body part positioned between the first end and the second end, and the body part extends out from the winding drum; and

at least one steering wheel, the body of the pull rope extends outwards by passing around the at least one steering wheel.

2. The cable mechanism of claim 1, wherein the motor, the speed reducer, and the spool are coaxially coupled.

3. The cord mechanism for an exercise apparatus of claim 2, wherein the speed reduction device comprises a plurality of gears that mesh with each other.

4. The pull cord mechanism for an exercise apparatus of claim 1, wherein the speed reduction device comprises:

a first pulley coaxially connected to the motor;

a second pulley;

a third belt pulley, which is coaxial with the second belt pulley and can rotate synchronously;

a fourth belt pulley coaxially connected with the winding drum;

the first belt is wound on the first belt pulley and the second belt pulley; and

a second belt wound around the third belt pulley and the fourth belt pulley.

5. The rope pulling mechanism of claim 4, wherein the speed reducer further comprises a plurality of tension adjusting wheels abutting against the first belt and the second belt.

6. The cable pulling mechanism for exercise equipment of claim 4, wherein the fourth pulley is integrally formed with the spool.

7. The pull cord mechanism of claim 1, further comprising a pull loop secured to the second end of the pull cord.

8. The pull cord mechanism for exercise apparatus of claim 1, further comprising a pull rod secured to the second end of the pull cord.

9. The rope pulling mechanism for fitness equipment as recited in claim 8, comprising a base, the base being provided with the driving unit and the rope pulling unit; the base is provided with a left pedal and a right pedal for the foot of a user to step on, and the body of the pull rope passes through the space between the left pedal and the right pedal.

10. The pull-cord mechanism for exercise apparatus of claim 1, comprising a base; the driving unit is horizontally disposed on the base, and the at least one steering wheel is configured to enable the second end of the pull rope to vertically extend upwards or horizontally extend outwards.

11. The pull-cord mechanism for exercise apparatus of claim 1, wherein said pull-cord mechanism comprises a frame; the driving unit is vertically arranged on the side wall of the frame, and the at least one steering wheel is configured to enable the second end of the pull rope to vertically extend upwards.

12. Exercise apparatus characterised by the incorporation of at least one pull cord mechanism according to any one of claims 1 to 11.

13. An exercise apparatus according to claim 12, wherein the exercise apparatus is a rowing machine including a pull-cord mechanism according to claim 7 or 8.

14. The exercise apparatus of claim 12, wherein the exercise apparatus is a gantry weight trainer comprising a pull-cord mechanism according to claim 11.

15. The exercise apparatus of claim 12, wherein the exercise apparatus is a platform-type pull-cord exercise apparatus, the platform-type pull-cord exercise apparatus comprising a platform and two pull-cord mechanisms, the pull-cord mechanisms comprising a pull-loop, the pull-cord of each pull-cord mechanism passing through the platform such that a user's left and right hands can respectively grip the pull-loop of each pull-cord mechanism.

16. The exercise apparatus of claim 15, wherein the second end of each of the pull-cord mechanisms is secured to the pull-ring by a stop member that abuts the platform of the platform-based pull-cord exercise machine when the pull-cord is wound on the reel.

17. An exercise apparatus according to claim 12, wherein the exercise apparatus comprises a server and at least one set of power resistors, the server and the power resistors being electrically connected to the driving unit of the cord pulling mechanism.

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