TWM634088U - Drawstring mechanism for use in fitness equipment and fitness equipment using the drawstring mechanism - Google Patents

Abstract

A cord-drawing mechanism for fitness equipment, comprising a driving unit and a cord-drawing unit. The drive unit has a motor, a deceleration device and a reel connected to the motor, and the pull cord unit has a pull cord and a steering wheel adjacent to the reel; The pull of the reel is wound around the reel. When the user pulls the pull cord, the drive unit will provide an adjustable resistance against rotation. The resistance is transmitted to the reel through the motor drive reduction device to control the pull. How easily the rope is stretched. Thereby, the drawstring mechanism of the invention has adjustable resistance to provide users with different intensities of training.

Description

Drawstring mechanism for fitness equipment and fitness equipment using the drawstring mechanism material

This creation is related to fitness equipment, in particular to a drawstring mechanism for fitness equipment and fitness equipment using the drawstring mechanism.

Traditional fitness equipment equipped with tension ropes uses the elastic force generated by pulling the rope body to carry out weight training on the upper arms and chest muscles, thereby achieving the effect of muscle training, and by stepping on or fixing the elastic ropes on a flat surface such as a wall Such fixing methods can enhance the training effect, but these fixing methods have the risk of being unstable and may cause sports injuries or accidents.

In order to provide users with sports equipment with a variety of exercise methods and high practicability, there are many platform fitness equipment on the market that combine elastic cords and drawstrings. Through elastic cords and drawcords, the arms and chest muscles can be trained to achieve multifunctional exercise effects. Related technologies are also disclosed in the domestic new patent No. M305685. However, the above-mentioned platform-style drawstring fitness equipment equipped with elastic cords and drawstrings has fixed stretching elastic force, which cannot provide users with higher-intensity training, and steel belts are used to tighten the resistance wheels to provide tension Rope resistance, when the pull rope is pulled, it is easy to generate noise due to friction and wear of the machine parts.

One of the purposes of this creation is to provide a drawstring mechanism for fitness equipment, which can solve at least one of the above-mentioned problems.

In order to achieve the above creation purpose, the invention provides a drawstring mechanism for fitness equipment, which includes a drive unit and a drawstring unit. The drive unit has a motor, a reduction gear connected to the motor and has an output end, and a reel connected to the output end of the reduction gear. The pull cord unit has a pull cord and at least one steering wheel, the pull cord is wound around the reel, and has a first end fixed to the reel, a second end opposite to the first end, and A body located between the first and second ends extends outward from the reel, and the body of the pull cord extends outward around the at least one steering wheel.

With the above-mentioned technical features, the cable-drawing mechanism provided by this invention uses a driving unit equipped with a motor, a deceleration device and a reel to provide resistance when the cable is pulled, which can not only provide users with high-intensity and adjustable training resistance, and less friction noise when the cord is pulled. Secondly, the drawstring mechanism provided by this creation has a simple structure and is easy to assemble, and uses one or more steering wheels to change the extension direction of the drawstring, so it can be used in such as rowing machines, gantry weight training machines, platform drawstrings, etc. It is used as a damping device in various fitness equipment such as fitness machines.

Preferably, the reduction gear may include a plurality of gears meshing with each other. In this way, it can be matched with a traditional gear reducer to achieve a variety of applicability.

Preferably, the deceleration device may include first to fourth pulleys and first to second belts. The first pulley is coaxially connected to the motor, the second pulley is coaxially arranged with the third pulley and can rotate synchronously, the fourth pulley is coaxially connected to the reel, and the first belt is wound around the first and second pulleys , the second belt is wound around the third and fourth pulleys. In this way, by changing the rotational speed of the motor to adjust the torque of the reduction gear, an appropriate and variable resistance is provided to the user, allowing the user to obtain the effect of exercise training.

Preferably, the deceleration device includes a plurality of tension adjustment wheels contacting the first belt and the second belt. In this way, the tension of the belt can be adjusted.

Preferably, the fourth pulley in the reduction gear is integrally formed with the reel. In this way, components can be simplified and costs can be reduced.

Preferably, the drawstring mechanism for fitness equipment further includes a pull ring or a pull rod, and the pull ring or the pull rod is fixedly connected to the second end of the pull cord. In this way, the user can hold the pull ring or the pull rod with his hand to pull the pull cord conveniently.

Preferably, the cord-drawing mechanism for fitness equipment further includes a base, and the drive unit and the cord-drawing unit are arranged on the base, and the base has a left pedal and a right pedal for the user to step on, And the body of the stay cord of the stay cord unit passes between the left and right pedals. Like this, the drawstring mechanism of this creation can be used as the resistance mechanism of rowing machine.

Preferably, the pull cord mechanism for fitness equipment further includes a base; the drive unit is horizontally arranged on the base, and the at least one steering wheel train is configured so that the second pull cord Ends extend vertically upwards or horizontally outwards. Like this, the drawstring mechanism of this creation can be used as the resistance mechanism of platform drawstring exercise machine.

Preferably, the pull cord mechanism for fitness equipment further includes a base; the driving unit is vertically arranged on the base, and the at least one steering wheel train is configured so that the second pull cord The end system extends upright. Like this, the drawstring mechanism of this creation can be used as the resistance mechanism of gantry type weight training machine.

Another aspect of the present invention is to provide a fitness equipment equipped with the above-mentioned drawstring mechanism. Wherein, the aforementioned fitness equipment can be a rowing machine, a gantry type weight training machine or a platform type drawstring fitness machine.

The detailed structure or characteristics of the cord-drawing mechanism provided by this creation and the fitness equipment using the cord-drawing mechanism will be described in the detailed description of the implementation that follows. However, those skilled in the art should understand that the detailed description and the specific embodiments listed for implementing the invention are only applicable to explain the invention, and are not intended to limit the patent scope of the invention.

The applicant hereby explains that in the entire specification, including the embodiments described below and the claims of the scope of the patent application, the nouns related to direction are based on the directions in the drawings. Secondly, in the embodiments and drawings to be described below, the same component numbers represent the same or similar components or their structural features.

Please refer to FIG. 1 and FIG. 2 . FIG. 1 and FIG. 2 show the situation that the drawstring mechanism 10 provided by the first embodiment of the present invention is configured on a platform drawstring exercise machine 1 . In this embodiment, the platform-type rope-drawing exercise machine 1 has a frame-type platform 11, and the inside of the frame-type platform 11 is provided with two groups of servers 14 with left and right mirror symmetrical configurations, at least one group of power resistors 16 and two groups of The rope-drawing mechanism 10, wherein the servo 14 and the power resistor 16 are electrically connected to the driving unit 20 of the rope-drawing mechanism, and the rotational speed and torque of the driving unit 20 are adjusted through the control of the servo 14. In addition, when the rope-drawing mechanism 10 Pulling the drive unit 20, when the drive unit 20 generates electricity, the electricity can be discharged through the electric energy conversion heat of the power resistor 16, thereby protecting the drive unit 20; moreover, since the structures of the two pull cord mechanisms 10 are identical, the following Only one set of pull cord mechanisms 10 will be described in detail. As shown in FIGS. 1 and 2 , the cable pull mechanism 10 mainly includes a driving unit 20 , a cable pull unit 30 and a pull ring 40 . As mentioned above, the platform-type drawstring fitness machine 1 of this embodiment is equipped with two drawcord mechanisms 10 as described above, so that the user can stand on the top surface of the frame-type platform 11, and the left and right hands can respectively The pull rings 40 held on each pull cord mechanism 10 achieve the purpose of fitness by pulling and loosening the pull cord units 30 back and forth.

Please refer to FIG. 2 and FIG. 3 again, the driving unit 20 provided in this embodiment mainly includes a motor base 21 , a motor 22 , a reduction gear 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 supporting columns 218, and the bottom side of the front vertical plate 214 and the bottom side of the rear vertical plate 216 utilize a fixing method such as welding While connecting the top surface of the base plate 212, two supporting columns 218 are arranged at intervals and are respectively fixed to the left and right top edges of the front and rear vertical plates 214, 216 with their two ends. The deceleration device 23 is located above the bottom plate 212 and fixed on the rear side of the rear vertical plate 216 . The reel 24 is arranged between the front vertical plate 214 and the rear vertical plate 216, the front end of the reel 24 is supported by a bearing (not shown) arranged in the front vertical plate 214, and the rear end of the reel 24 is connected coaxially The output shaft (not shown) of the reduction gear 23. The motor 22 is connected to a reduction gear 23 to provide a power source. Thus, when the motor 22 is started, the power output by the motor 22 is transmitted to the reel 24 through the reduction device 23 , so that the reel 24 rotates forward or reversely. The rope unit 30 mainly includes a rope 34 and a steering wheel 36 . The stay cord 34 is wound around the reel 24 and has a first end 341 fixed to the reel, a second end 342 opposite to the first end 341, and a second end 342 between the first and second ends 341,342. As shown in the figure, when the stay cord 34 is wound up on the reel 24, at least part of the body 343 extends outward from the reel 24. In detail, the first end 341 of the stay cord 34 passes through a perforation (not shown) on the reel 24 to tie a knot, and is fixedly connected with the reel 24, and the second end 342 of the stay cord 34 Then through a buckle 38, it is fixed on the pull ring 40 for the user to grab, so that the body 343 of the stay cord 34 can be pulled by the pulley 24 on the one hand and be wound around the roll 24, and on the other hand, it can Pulled by the user, it is released from the reel 24 and drives the reel 24 to rotate during the release process. However, it must be noted that the first end 341 and the second end 342 of the pull cord 34 are in contact with the reel 24 and the pull ring. The fixing method of 40 is not limited to those disclosed in the foregoing embodiments, and any feasible method such as using binding and hooking can be used. Secondly, the steering wheel 36 is rotatably arranged on a wheel seat 361 on the chassis of the frame platform 11, corresponding to the position of the reel 24 at intervals, and the body part 343 of the stay cord is horizontal from the reel 24 outwards. After extending out, it is to go around the turning wheel 36 and change the direction and extend upright again.

In the above-mentioned drive unit 20, by adjusting the speed of the motor 22 to output variable resistance through the deceleration device 23, when the user pulls the pull cord 34 to generate a pulling force greater than the starting torque of the drive unit 20, it will start to compete with it. And resistance in the opposite direction, and vice versa. In other words, the pull cord mechanism 10 provided by the invention utilizes the driving unit 20 equipped with the motor 22, the deceleration device 23 and the reel 24 to provide the resistance when the pull cord 34 is pulled, which can not only provide the user with high strength but also be adjustable. training resistance, and less friction noise will be produced when the pull cord 34 is pulled. Secondly, the pull cord mechanism 10 provided by the invention has a simple structure and is easy to assemble, and one or more steering wheels 36 can be used to change the extension direction of the pull cord 34, so it can be used in various sports equipment, such as This embodiment discloses a platform type drawstring exercise machine 1, or a rowing machine or a gantry type weight training machine which will be described in detail below.

In the driving unit 20 of the above embodiment, the motor 22 , the decelerating device 23 and the reel 24 are arranged to rotate coaxially, so as to achieve the advantage of reducing the overall volume. Secondly, the speed reduction device 23 is realized by a conventional gear speed reducer including a plurality of gears meshing with each other, so as to provide transmission with multiple reduction ratios. However, the deceleration device 23 is not limited to those disclosed in the above embodiments, such as the deceleration device 23 described below.

Please refer to Fig. 4, Fig. 4 is the perspective view of the drive unit 20 of the pull cord mechanism provided for the second embodiment of the present invention, in this embodiment, the deceleration device 23 of the drive unit 20 is composed of a plurality of toothed pulleys and a plurality of Consists of a belt. Specifically, the deceleration device 23 includes a first pulley 231 coaxially connected to the motor 22, a second pulley 232 coaxially arranged and rotated synchronously, a third pulley 233, a fourth pulley 234 connected coaxially to the reel 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. In addition, the reduction gear 23 further includes Four tension adjustment wheels 237 abut against the first belt 235 and the second belt 236 respectively. The second and third pulleys 232, 233 and the tension adjustment pulley 237 are supported above the motor base 21 through a bracket 238. Secondly, the fourth pulley 234 and the reel 24 are integrally formed to simplify the components and reduce the cost. By means of the aforementioned deceleration device 23, different deceleration ratios can be provided, and different resistances when the stay cord 34 is pulled can be provided, and the effect of the invention can also be achieved.

Please refer to Fig. 5 and Fig. 6, Fig. 5 and Fig. 6 show that the drawstring mechanism 10 provided by the third embodiment of the present invention is applied to a rowing machine 50, and Fig. 5 and Fig. 6 do not show the appearance of the rowing machine 50 All components, only some main components of the rowing machine 50 are shown, such as the left pedal and the right pedal. Secondly, the structure of the drawstring mechanism 10 shown in Fig. 5 and Fig. 6 is the same as that of the drawstring mechanism 10 shown in the first embodiment. Roughly the same, the main difference is that the number of steering wheels and the setting positions are different, and the second end 342 of the stay rope 34 is fixedly connected with a pull rod 42, so that the mode of weight training is changed from the upper body to the lower limbs. In detail, the rowing machine 50 includes a base 51 on which the drive unit 20 and the rope unit 30 are arranged. Similarly, the drive unit 20 has a motor base 21, a motor 22, a reduction gear 23 and a reel 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 left pedal 57 provided on the front side of the second beam 55 for the user's feet to step on. One right pedal 59. Secondly, in this embodiment, the pull cord unit 30 includes a first steering wheel 363 and a second steering wheel 365, wherein the first steering wheel 363 is arranged on the first beam column 53, and is positioned at the side of the reel 24 above, the second steering wheel 365 is arranged on the second beam column 55 and is positioned at the front of the drive unit 20. In addition, the body 343 of the stay cord 34 diffracted on the reel 24 goes around the first steering wheel 363 and the second steering wheel 363. Two turning wheels 365 extend outwards and pass between the left and right pedals 57,59. In this way, the user steps on the left and right pedals 57, 59 and then pulls the stay cord 34 wound around the first and second steering wheels 363, 365. When the user's pedaling force is greater than the starting torque of the drive unit 20, the Activation of resistance against it and in the opposite direction, and vice versa. In short, the drawstring mechanism 10 provided by the third embodiment of the invention can be used on the rowing machine 50, and can achieve the creation purpose of the invention.

Please refer to Fig. 7, Fig. 7 shows the situation that the drawstring mechanism 10 provided by the fourth embodiment of the present invention is applied to a gantry type weight training machine 60, wherein Fig. 7 does not show all the components of the gantry type weight training machine 60, Only some main components of the gantry weight training machine 60 are shown, such as the frame 62, the server 14 and the power resistor 16. In addition, when the pull rope mechanism 10 pulls the drive unit 20 to make the drive unit 20 generate electricity, the electricity can be released through the electric energy conversion heat of the power resistor 16, thereby protecting the drive unit. Unit 20; secondly, the drawstring mechanism 10 shown in Fig. 7 is approximately the same in structure as the drawstring mechanism 10 shown in the third embodiment, and the main difference is: in this embodiment, the drive unit of the drawstring mechanism 10 20 is vertically fixed on an upright side wall 621 of the frame 62 by the motor base 21, and a first steering wheel 363 and a second steering wheel 365 of the stay cord unit 30 are also arranged on the upright side wall 621, and The body portion 343 of the stay cord 34 that is diffracted on the reel 24 goes around the first steering wheel 363 and the second steering wheel 365 and upwardly passes through the perforation 625 of the top wall 623 of the frame 62 and extends outwards, and then can The second end of the pull cord 34 is guided to the desired position by various pulley arrangements (not shown). Thereby, the rope-drawing mechanism 10 can replace the weight block used to provide resistance in the conventional gantry-type weight training machine 60, and the user can hold the pull ring 40 or the pull rod of each rope-drawing mechanism 10 with one hand or the left and right hands respectively. 42, while performing unilateral or bilateral weight training of varying intensities. In short, the rope-drawing mechanism 10 provided by the fourth embodiment of the invention can be used on the gantry type weight training machine 60, and can achieve the creation purpose of the invention.

Please refer to FIG. 8 . FIG. 8 shows a situation where the rope-drawing mechanism provided by the fifth embodiment of the present invention is configured on a platform-type rope-drawing fitness machine 1 . The stay cord mechanism provided by this embodiment is substantially the same in structure as the stay cord mechanism 10 provided by the first embodiment shown in FIG. A stopper 39 is fixed on the buckle 38 behind, or in another feasible embodiment, the second end 342 of the pull cord is fixed on the stopper 39, and the stopper 39 is directly or through the buckle 38 And it is fixed on the pull ring 40 . In this embodiment, the stopper 39 is implemented with a spherical member, and the size of the stopper 39 is larger than the perforation (not shown) on the top surface of the frame platform 11 for the passage of the stay cord, such a Then, when the pull cord unit 30 is reciprocally pulled and loosened, the stopper 39 can be resisted in the hole wall of the aforementioned perforation (that is, the stopper 39 can be resisted by the top surface of the platform 11) to limit the retracted state of the stay cord. Dead point. It must be noted that the stopper 39 is not limited to the spherical member, and secondly, the second end 342 of the stay cord and the buckle 38, the stopper 39, and the fixing method of the pull ring 40 are not particularly limited. Feasible methods such as hooks and hooks can be used.

1: Platform pull rope fitness machine 10: pull rope mechanism 11: Frame platform 14:Server 16: Power resistor 20: Drive unit 21: Motor seat 212: bottom plate 214: Front vertical plate 216: Rear vertical plate 218: support column 22: motor 23:Deceleration device 231: The first pulley 232: Second pulley 233: The third pulley 234: The fourth pulley 235: first belt 236: second belt 237: Tension adjustment wheel 238: Bracket 24: roll 30: Rope unit 34: Drawstring 341: first end 342: second end 343: body 36: Steering wheel 361: wheel seat 363: The first steering wheel 365: Second steering wheel 38: Buckle 39: stopper 40: pull ring 42: Tie rod 50: rowing machine 51: base 53: First Beam Column 55: Second Beam Column 57:Left pedal 59: Right pedal 60: Gantry Weight Training Machine 62: Rack 621: upright side wall 623: top wall 625: perforation

Fig. 1 is a three-dimensional view of a platform-style rope-drawing fitness machine using the rope-drawing mechanism provided by the first embodiment of the present invention. FIG. 2 is an enlarged detail view of FIG. 1, especially showing the drawstring mechanism provided by the first embodiment. Fig. 3 is a perspective view of the drive unit of the pull cord mechanism provided by the first embodiment of the present invention. Fig. 4 is a perspective view of the drive unit and the pull cord of the pull cord mechanism provided by the second embodiment of the present invention. Fig. 5 is a three-dimensional view showing the appearance of the rope-drawing mechanism provided by the third embodiment of the present invention applied to a rowing machine. FIG. 6 is a perspective view of another viewing angle of FIG. 5 . Fig. 7 is a three-dimensional view showing the application of the drawstring mechanism provided by the fourth embodiment of the present invention in a gantry weight training machine. Fig. 8 is a perspective view showing the perspective view of the rope-drawing mechanism provided by the fifth embodiment of the present invention applied to a platform-type rope-drawing fitness machine.

10: pull rope mechanism

20: Drive unit

21: Motor seat

22: motor

23:Deceleration device

24: roll

34: Drawstring

341: first end

342: second end

343: body

36: Steering wheel

361: wheel seat

38: Buckle

40: pull ring

Claims (17)

A rope-drawing mechanism for fitness equipment, comprising: a drive unit with a motor, a reduction device connected to the motor and having an output end, and a reel connected to the output end of the reduction device; and a puller A rope unit, the rope unit includes: a rope, which is wound around the reel, the rope has a first end fixed to the reel, a second end opposite to the first end, and a a body located between the first and second ends, the body extends outward from the reel; and at least one steering wheel, the body extends outward around the at least one steering wheel. The cable draw mechanism for fitness equipment as claimed in claim 1, wherein the motor, the deceleration device and the reel are coaxially connected and configured. The cable-drawing mechanism for fitness equipment according to claim 2, wherein the decelerating device includes a plurality of gears meshing with each other. The pull rope mechanism for fitness equipment as described in claim 1, wherein the deceleration device includes: a first pulley, coaxially connected to the motor; a second pulley; a third pulley, and the second pulley coaxially arranged and can rotate synchronously; a fourth pulley is coaxially connected with the reel; a first belt is wound around the first pulley and the second pulley; and a second belt is wound around the third pulley and the second pulley The fourth pulley. According to claim 4, the cable-drawing mechanism for fitness equipment, wherein the deceleration device further includes a plurality of tension adjustment wheels abutting against the first belt and the second belt. The drawstring mechanism for fitness equipment as claimed in claim 4, wherein the fourth pulley and the reel are integrally formed. The drawstring mechanism for fitness equipment as described in Claim 1 further includes a draw ring fixedly connected to the second end of the draw cord. The drawstring mechanism for fitness equipment as described in Claim 1 further includes a drawbar fixedly connected to the second end of the drawstring. The drawstring mechanism for fitness equipment as described in claim 8 further includes a base on which the drive unit and the drawstring unit are arranged; the base has a left pedal for the user to step on and a Right pedal, and the body of this stay cord is passed between this left and right pedal. The drawstring mechanism for fitness equipment as described in claim 1 further comprises a base; the driving unit is horizontally arranged on the base, and the at least one steering wheel train is configured to make the second end stand upright Extend upwards or horizontally outwards. The drawstring mechanism for fitness equipment as described in claim 1 further includes a frame; the drive unit is vertically arranged on the side wall of the frame, and the at least one steering wheel train is configured to make the first The two ends extend upright. A fitness equipment, comprising at least one drawstring mechanism according to any one of Claims 1 to 11. The fitness equipment as described in Claim 12 further includes a server and at least one set of power resistors, and the server and the power resistors are electrically connected to the drive unit of the cable-drawing mechanism. A kind of fitness equipment, the fitness equipment is a rowing machine, the rowing machine includes a pull rope mechanism as described in Claim 7 or 8. A kind of fitness equipment, the fitness equipment is a gantry type weight training machine, the gantry type weight training machine includes a drawstring mechanism as described in claim 11. A kind of fitness equipment, this fitness equipment is a platform type drawstring exercise machine, this platform type drawstring exercise machine comprises a platform and two drawstring mechanisms as described in claim item 7, the drawstring of each said drawstring mechanism It passes through the platform, so that the user's left and right hands can respectively hold the pull rings of the pull rope mechanisms. The fitness equipment as described in claim 16, wherein the second end of the pull cord of each of the pull cord mechanisms is fixed to the pull ring through a stopper, and when the pull cord is wound up on the reel At this time, the stopper can resist the platform of the platform-type pull-cord fitness machine.

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