CN213159144U

CN213159144U - Strength training machine

Info

Publication number: CN213159144U
Application number: CN202021871421.9U
Authority: CN
Inventors: 叶全胜; 陈英华
Original assignee: Guangzhou Shiyuan Electronics Thecnology Co Ltd; Guangzhou Yuandong Smart Sports Technology Co Ltd
Current assignee: Guangzhou Shiyuan Electronics Thecnology Co Ltd; Guangzhou Yuandong Smart Sports Technology Co Ltd
Priority date: 2020-08-31
Filing date: 2020-08-31
Publication date: 2021-05-11
Anticipated expiration: 2030-08-31

Abstract

The utility model provides a strength training machine. The utility model provides a strength training machine comprises a body, the body comprises a support and a tension assembly arranged on the support, the tension assembly comprises a tension band assembly, a counterweight mechanism and a guide assembly, the counterweight mechanism comprises a resistance adjusting assembly, a driving wheel and a guide assembly, the tension band assembly comprises a tension band and two handle assemblies, the first end of the tension band is connected to the fixed end of the support through the guide of the guide assembly, the second end of the tension band is connected to the driving wheel, the driving wheel rotates under the drive of the resistance adjusting assembly, and the handle assemblies are arranged between the two ends of the tension band; the guiding assembly comprises two guiding units, the guiding units are arranged between the driving wheel and the fixed end, the tension belt is arranged in the guiding units in a penetrating mode, the two handle assemblies are respectively and correspondingly connected to belt sections of the tension belt, the belt sections of the tension belt are arranged in different guiding units in a penetrating mode, and the handle assemblies are used for the exercising personnel to apply tension. The utility model discloses a strength training machine has higher suitability.

Description

Strength training machine

Technical Field

The utility model relates to the field of fitness equipment, especially, relate to a strength training machine.

Background

Along with the continuous improvement of standard of living, people more and more pay attention to the health of health, the importance of taking exercise has also aroused people's attention, and the exercise mode mainly divide into aerobic exercise and anaerobic exercise, and anaerobic exercise mainly includes some strength training, can promote muscle content and then accelerate internal metabolism through these strength training, promotes people's physical quality. Conventional strength training is mainly realized through a self-weight apparatus or a weight apparatus, the self-weight apparatus generally comprises a barbell, a dumbbell and the like, and the weight apparatus can be divided into an upper limb exercise apparatus and a lower limb exercise apparatus according to exercise positions.

Present upper limbs exerciser mainly is divided into chest exerciser, shoulder exerciser and back exerciser, and these apparatus generally all include the apparatus body and set up the balancing weight on the apparatus body, adjusts the resistance training in order to carry out different dynamics to specific muscle group through the weight to the balancing weight, and then reaches the purpose that local muscle is increased.

Therefore, the conventional upper limb training apparatus can only perform resistance training for a specific part, but cannot be applied to all parts of the upper limb, and the applicability of the apparatus is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model provides a strength training machine can be applicable to all positions of upper limbs to can improve the utility model provides a strength training machine's suitability.

A strength training machine comprises a body, wherein the body comprises a support and a tension assembly arranged on the support, the tension assembly comprises a tension belt assembly and a counterweight mechanism, the counterweight mechanism comprises a resistance adjusting assembly, a driving wheel and a guide assembly, the tension belt assembly comprises a tension belt and two handle assemblies, the first end of the tension belt is connected to the fixed end of the support through the guide of the guide assembly, the second end of the tension belt is connected to the driving wheel, the driving wheel rotates under the driving of the resistance adjusting assembly, so that the tension belt is wound on the wheel surface of the driving wheel and generates counterweight pulling force, and the handle assemblies are arranged between the two ends of the tension belt;

the guide assembly comprises two guide units, the guide units are arranged between the driving wheel and the fixed ends, the driving wheel and the fixed ends are respectively located at two opposite ends of the support, the tension belt is arranged in the guide units in a penetrating mode, the two handle assemblies are respectively connected to belt sections, arranged in different guide units, of the tension belt in a corresponding mode, and the handle assemblies are used for supplying a sportsman to apply tension.

As an optional implementation mode, the handle component comprises a handle, a connecting support and a pulley, the tension belt is wound on the pulley, one end of the connecting support is connected to the pulley, the other end of the connecting support is connected with the handle, a through hole for the tension belt to penetrate through is formed between one end of the connecting support and the other end of the connecting support, and at least part of the pulley is located in the through hole.

As an alternative embodiment, the two guide units comprise a first guide unit and a second guide unit, the first guide unit being located on a side of the second guide unit remote from the drive wheel.

As an optional implementation manner, the first guiding unit includes a first base and a plurality of guiding pulleys, the first base is connected to the support, and a first cavity for the tension belt to pass through is opened on the first base, and the guiding pulleys are installed in the first cavity to limit the extending direction of the tension belt.

As an alternative embodiment, the plurality of guide pulleys in the first guide unit comprise a first guide pulley and a second guide pulley which are arranged at intervals, and the first guide pulley and the second guide pulley are both positioned on the side of the bracket facing away from the handle assembly; the tension belt sequentially passes through the first guide pulley, the handle assembly and the second guide pulley; the handle component is used for moving towards the direction close to or away from the support under the action of the pulling force of the balance weight.

As an alternative embodiment, the bracket is provided with a stop notch, and the stop notch is used for abutting against the handle assembly so as to limit the maximum travel of the handle assembly moving towards the direction close to the bracket.

As an optional implementation manner, the second guiding unit comprises a supporting frame and a steering unit, the steering unit comprises a second base, a third guiding pulley, a steering piece and a fourth guiding pulley, the second base is connected to the support, a second cavity for the tension belt to penetrate through is formed in the second base, and the third guiding pulley is installed in the second cavity; the steering piece is arranged on the supporting frame, the fourth guide pulley is arranged on the steering piece, and the steering piece can horizontally rotate relative to the supporting frame so as to enable the fourth guide pulley to steer to different directions;

the tension belt passes over the third guide pulley, the fourth guide pulley and the handle assembly and is connected with the fixed end of the bracket.

As an alternative embodiment, the second guide unit further comprises a stop member disposed on the steering member and having a gap between the stop member and the fourth guide pulley, the gap having a width smaller than the width of the handle assembly, at least a portion of the handle assembly being able to be located within the gap to limit the maximum travel of the handle assembly in a direction approaching the bracket.

As an alternative embodiment, the stop member is a rod-shaped member, the extending direction of the rod-shaped member coincides with the axial direction of the fourth guide pulley, and the handle assembly can abut on the outer peripheral surfaces of the fourth guide pulley and the rod-shaped member.

As an optional implementation manner, the resistance adjusting assembly includes a controller, a driver and a motor, the controller is electrically connected to the driver, the driver is electrically connected to the motor, the driving wheel is sleeved on a motor shaft of the motor, the controller is used for controlling a working state of the driver, and the driver is used for driving the motor to rotate.

The utility model provides a strength training machine comprises a body, the body comprises a support and a tension assembly arranged on the support, the tension assembly comprises a tension band assembly, a counterweight mechanism and a guide assembly, the counterweight mechanism comprises a resistance adjusting assembly, a driving wheel and a guide assembly, the tension band assembly comprises a tension band and two handle assemblies, the first end of the tension band is connected to the fixed end of the support through the guide of the guide assembly, the second end of the tension band is connected to the driving wheel, the driving wheel rotates under the drive of the resistance adjusting assembly, and the handle assemblies are arranged between the two ends of the tension band; the guide assembly comprises two guide units, the guide units are arranged between the driving wheel and the fixed ends, the driving wheel and the fixed ends are respectively located at two opposite ends of the support, the tension belt is arranged in the guide units in a penetrating mode, the two handle assemblies are respectively connected to belt sections, arranged in different guide units, of the tension belt in a corresponding mode, and the handle assemblies are used for supplying a sportsman to apply tension. Therefore, the utility model provides a strength training machine has higher suitability.

The structure of the present invention and other objects and advantages thereof will be more clearly understood from the following description of the preferred embodiments taken in conjunction with the accompanying drawings.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.

Fig. 1 is a schematic structural diagram of a strength training machine according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a handle assembly in the strength training machine according to an embodiment of the present invention;

fig. 3 is an exploded view of a partial structure of a strength training machine according to an embodiment of the present invention;

fig. 4 is a schematic view of an operating state of the strength training machine according to the embodiment of the present invention.

Description of reference numerals:

100-body; 1-a scaffold; 11-a stop notch; 12-a limiting plate; 13-mounting a support; 14-a bearing seat; 2-a tension assembly; 21-a tension band assembly; 211-tension band; 212-a handle assembly; 2121-handle; 2122-connecting the scaffold; 21221-a through hole; 21222-a connecting shaft; 21223-U-shaped rod; 2123-pulley; 2124-connecting band; 2125-connecting ring; 2126-first connection hole; 2127-second connection hole; 22-a counterweight mechanism; 221-a resistance adjustment assembly; 2211-a controller; 2212-driver; 2213-electric machine; 2214-position sensor; 222-a drive wheel; 3-a first base; 4-a guide pulley; 4 a-a first guide pulley; 4 b-a second guide pulley; 5-a support frame; 6-a steering unit; 61-a second base; 62-a third guide pulley; 63-a steering member; 64-a fourth guide pulley; 7-stop piece.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions in the embodiments of the present invention will be described in more detail below with reference to the drawings in the preferred embodiments of the present invention. In the drawings, the same or similar reference numerals denote the same or similar components or components having the same or similar functions throughout. The described embodiments are only some, but not all embodiments of the invention. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Along with the continuous improvement of living standard, people pay more and more attention to the health of the body, the importance of exercise also draws more attention to people, the exercise mode mainly includes aerobic exercise and anaerobic exercise, the aerobic exercise is mainly some exercises for improving the heart and lung function, such as running, swimming, climbing and the like, and the person who exercises has a higher heart rate in the whole process of the exercise; and anaerobic exercise mainly includes some strength training, can promote muscle content and then accelerate internal metabolism through these strength training, conventional strength training is mainly realized through dead weight apparatus or weight apparatus, dead weight apparatus generally includes barbell, dumbbell etc., upper limbs exerciser and lower limbs exerciser can be divided into according to taking exercise the position to the weight apparatus, the people of taking exercise represent in the motion process and reach higher heart rate in a certain twinkling of an eye, no matter be aerobic exercise or anaerobic exercise can promote people's physical quality.

Therefore, the existing upper limb exercise machine mainly has the following defects:

one instrument only aims at a certain specific muscle group, and the applicability is small;

the existing upper limb training instrument comprises an instrument body and a balancing weight arranged on the instrument body, so that the overall mass of the instrument comprises the balancing weight besides the instrument body, the weight of the whole instrument is increased, and the upper limb training instrument is inconvenient to move;

thirdly, the weight of the balancing weight is adjusted manually, so that the exercise time of an exerciser can be occupied, and the exercise effect of the exerciser is reduced;

fourthly, in current upper limbs training apparatus, when carrying out weight adjustment to the balancing weight, the minimum that the balancing weight changes is great for the minimum of the change of resistance is great, is difficult to make exerciser's exercise effect reach a preferred state of self.

Therefore, the utility model provides a strength training machine can overcome above-mentioned defect.

The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.

Fig. 1 is a schematic structural view of a strength training machine provided by an embodiment of the present invention. Fig. 2 is a schematic structural view of a handle assembly in the strength training machine according to an embodiment of the present invention. Fig. 3 is an exploded view of a partial structure of a strength training machine according to an embodiment of the present invention. Fig. 4 is a schematic view of an operating state of the strength training machine according to the embodiment of the present invention.

As shown in fig. 1, the embodiment of the present invention provides a strength training machine, which includes a body 100, the body 100 includes a support 1 and a tension assembly 2 disposed on the support 1, the tension assembly 2 includes a tension belt assembly 21 and a counterweight mechanism 22, the counterweight mechanism 22 includes a resistance adjusting assembly 221, a driving wheel 222 and a guiding assembly, the tension belt assembly 21 includes a tension belt 211 and two handle assemblies 212, a first end of the tension belt 211 is connected to a fixed end of the support 1 through the guiding assembly, a second end of the tension belt 211 is connected to the driving wheel 222, the driving wheel 222 rotates under the driving of the resistance adjusting assembly 221, so that the tension belt 211 is wound on a wheel surface of the driving wheel 222 and generates a counterweight pulling force, and the handle assemblies 212 are disposed between two ends of the tension belt 211; the guide assembly comprises two guide units, the guide units are arranged between a driving wheel 222 and a fixed end, the driving wheel 222 and the fixed end are respectively located at two opposite ends of the support 1, the tension belt 211 is arranged in the guide units in a penetrating mode, the two handle assemblies 212 are respectively and correspondingly connected to belt sections of the tension belt 211 arranged in different guide units in a penetrating mode, and the handle assemblies 212 are used for supplying a sportsman to apply tension.

When the strength training machine provided by the embodiment is used, an exerciser needs to stand on one side of the bracket 1, and by manually pulling the handle assemblies 212 (pulling one handle assembly 212 with one hand or pulling two handle assemblies 212 with two hands simultaneously), namely pulling the tension belt 211, when the handle assemblies 212 move away from the bracket 1, the resistance adjusting assembly 221 can work to drive the driving wheel 222 to rotate, and the driving wheel 222 can recover the tension belt 211 to enable at least part of the tension belt 211 which is previously wound on the driving wheel 222 to be wound on the driving wheel 222 under the action of the guide unit so as to generate the resistance function in the exercise process of the exerciser; during the use process, the exerciser can control the variation of the resistance according to the actual situation, specifically, the resistance adjusting assembly 221 drives the driving wheel 222 to rotate at different rotating speeds, so as to recover or release the tension belt 211, thereby changing the resistance. Thus, the exerciser can use the strength training machine provided by the embodiment more conveniently.

It should be noted that, in the strength training machine provided in this embodiment, when the exerciser stands at a different position and posture and the pulling force generated to the handle assembly 212 is in a different direction, the exercise location is different, for example, the direction along the paper surface inward is the rear side of the support 1, the direction along the paper surface outward is the front side of the support 1, when the exerciser stands at the front side of the support 1 and faces away from the support 1, at this time, the upper arm is pulled down to pull the handle assembly 212, and the upper arm is clamped and kept still, so that the upper arm and the lower arm form an included angle smaller than 90 °, and when the exerciser repeatedly pulls down and puts the handle assembly 212, the biceps can be strengthened; when the user slightly bends the hip facing the support 1, the handle assembly 212 is pulled downwards, the large arm is clamped and kept still, the large arm and the small arm form an included angle of less than 90 degrees, and repeated actions of pulling downwards and pulling upwards the handle assembly 212 are carried out, so that the training of the triceps brachii can be enhanced. Here, the types of the specific exercise modes performed by the exerciser in different standing positions and standing postures are not described in detail, and the exerciser can select different actions according to the self state.

In order to improve the use effect of the strength training machine provided by the embodiment, in actual use, the fitness stool matched with the strength training machine provided by the embodiment can be selected, so that the exerciser can tighten the core when exercising the upper limbs, and the exercise effect is improved. For example, the strength training machine provided by the embodiment can be used with a fitness stool in the process of strengthening small muscle groups of the chest, the back and the shoulders.

As shown in fig. 2, in the present embodiment, the handle assembly 212 includes a handle 2121, a connecting bracket 2122 and a pulley 2123, the tension belt 211 is wound around the pulley 2123, one end of the connecting bracket 2122 is connected to the pulley 2123, the other end of the connecting bracket 2122 is connected to the handle 2121, a through hole 21221 for passing the tension belt 211 is formed between one end of the connecting bracket 2122 and the other end of the connecting bracket 2122, and at least a portion of the pulley 2123 is located in the through hole 21221.

In a specific embodiment of this embodiment, the handle 2121 is a pull buckle, the connecting bracket 2122 includes a connecting shaft 21222 and a U-shaped rod 21223, the pulley 2123 is sleeved on the connecting shaft 12125, an end of the U-shaped rod 21223 is connected to the connecting shaft 21222, a through hole 21221 is formed between the U-shaped rod 21223 and the connecting shaft 21222, the pull strap 211 passes through the through hole 21221 and passes over the pulley 2123, a first end of the pull buckle is hung on the U-shaped rod 21223, and a second end of the pull buckle is used for an exerciser to pull and place the pull buckle.

It should be noted that, in order to improve the experience of the strength training machine that the exerciser provided to this embodiment, in this embodiment, the second end of the tab is a circular arc segment, so that the exerciser's hand fits the tab. Thus, the comfort of the hand can be improved.

Specifically, the handle assembly 212 further includes a connecting band 2124 and a connecting ring 2125, wherein a first connecting hole 2126 is formed at a first end of the connecting band 2124, a second connecting hole 2127 is formed at a second end of the connecting band 2124, the first end of the connecting band 2124 is hung on the U-shaped rod 21223 through the first connecting hole 2126, the second end of the connecting band 2124 is hung on the first end of the connecting ring 2125 through the second connecting hole 2127, and the first end of the pull buckle is hung on the second end of the connecting ring 2125.

In this embodiment, the first end of the connecting ring 2125 is a straight rod portion connected to the connecting band 2124 in a fitting manner, and the second end of the connecting ring 2125 is a bent rod portion connected to the pull tab in a fitting manner.

In order to improve the using effect of the strength training machine provided by this embodiment, in this embodiment, the connecting band 2124 may be an elastic band, so that the elastic band can also provide a resistance function for the exerciser, thereby improving the exercising effect of the exerciser.

As shown in fig. 1, in some embodiments, the two guide units include a first guide unit and a second guide unit, the first guide unit being located on a side of the second guide unit away from the drive wheel 222.

Therefore, the first guide unit and the second guide unit can guide the tension belt 211, so that the exerciser can pull and release the pull handle 2121 more smoothly.

In a specific implementation manner of this embodiment, the first guiding unit includes a first base 3 and a plurality of guiding pulleys 4, the first base 3 is connected to the support 1, and a first cavity for the tension belt 211 to pass through is opened on the first base 3, and the guiding pulleys 4 are installed in the first cavity to limit the extending direction of the tension belt 211. Specifically, the mouth of the first cavity faces the ground, and the bottom of the first cavity extends in a direction close to the handle assembly 212.

In some embodiments, the plurality of guide pulleys 4 in the first guide unit includes a first guide pulley 4a and a second guide pulley 4b arranged at intervals, and the first guide pulley 4a and the second guide pulley 4b are both located on a side of the bracket 1 facing away from the handle assembly 212; the tension belt 211 passes over the first guide pulley 4a, the handle assembly 212 and the second guide pulley 4b in sequence; the handle assembly 212 is adapted to move toward or away from the bracket 1 under the pulling force of the counterweight.

In a particular embodiment of the present embodiment, the first guide unit comprises two first bases 3, the first guide pulley 4a being mounted in one first base 3 and the second guide pulley 4b being mounted in the other first base 3.

Specifically, the tension strap 211 is connected to the fixed end of the bracket through a first cavity in one of the first bases 3 and over the first guide pulley 4a, through a through hole 21221 in one of the handle assemblies 212 and over the pulley 2123 in one of the handle assemblies 212, through a first cavity in the other of the first bases 3 and over the second guide pulley 4 b.

When the strength training machine provided by the embodiment is used with one hand, in order to fix the unused handle assembly 212, in the embodiment, the bracket 1 is provided with a limiting assembly for respectively fixing and limiting the two handle assemblies 212.

As an alternative embodiment, the bracket 1 is provided with a stop notch 11, and the stop notch 11 is used for abutting against the handle assembly 212 to limit the maximum travel of the handle assembly 212 moving towards the bracket 1.

As an alternative embodiment, the support 1 is provided with a limiting plate 12, and the stopping notch 11 is provided on the limiting plate 12, so that when the exerciser does not operate the handle assembly 212 above the limiting plate 12, the connecting shaft 21222 of the handle assembly 212 above the limiting plate 12 can be clamped in the stopping notch 11 to fix the handle assembly 212 above the limiting plate 12.

In the present embodiment, the purpose of the present embodiment can be achieved by the stopper notch 11 as long as the connecting shaft 21222 can be effectively clamped and fixed, and the shape of the stopper notch 11 is not particularly limited.

In this embodiment, the second guiding unit includes the supporting frame 5 and the steering unit 6, the steering unit 6 includes a second base 61, a third guiding pulley 62, a steering member 63 and a fourth guiding pulley 64, the second base 61 is connected to the bracket 1, a second cavity for the tension belt to pass through is opened on the second base 61, and the third guiding pulley 62 is installed in the second cavity; the steering member 63 is arranged on the support frame 5, the fourth guide pulley 64 is arranged on the steering member 63, and the steering member 63 can horizontally rotate relative to the support frame 5 so as to steer the fourth guide pulley 64 to different directions; the tension belt 211 passes over the third guide pulley 62, the fourth guide pulley 64 and the handle assembly 212 and is coupled to the fixed end of the stand 1.

The structure of the second base 61 is the same as that of the first base 3, and is not described herein again.

Specifically, the tension strap 211 extends through the first cavity in one first base 3 and over the first guide pulley 4a, through the through hole 21221 in one handle assembly 212 and over the pulley 2123 in one handle assembly 212, through the first cavity in the other first base 3 and over the second guide pulley 4b, through the second cavity and over the third guide pulley 62, over the fourth guide pulley 64, through the through hole 21221 in the other handle assembly 212 and over the pulley 2123 in the other handle assembly 212, and is attached to the fixed end of the bracket 1.

It should be noted that, in the process that the tension belt 211 passes through the first cavity in one first base 3 and passes through the first guide pulley 4a, passes through the through hole 21221 in one handle assembly 212 and passes through the pulley 2123 in one handle assembly 212, passes through the first cavity in the other first base 3 and passes through the second guide pulley 4b, the tension belt 211 may pass through the rear of the bracket 1, and the bracket 1 may also be provided with a hole for the tension belt 211 to pass through, so that the tension belt 211 passes through the inside of the bracket 1.

As an alternative embodiment, the second guiding unit further comprises a stop member 7, the stop member 7 is disposed on the steering member 63, and a gap is formed between the stop member 7 and the fourth guiding pulley 64, the width of the gap is smaller than that of the handle assembly 212, and at least a part of the handle assembly 212 can be located in the gap to limit the maximum travel of the handle assembly 212 in the direction approaching the bracket 1.

Specifically, when the exerciser does not operate the handle assembly 212 located above the steering member 63, the handle assembly 212 located above the steering member 63 may be placed between the stopper 7 and the fourth guide pulley 64 with at least a portion of the handle assembly 212 located in the gap, so that the position of the handle assembly 212 located above the steering member 63 can be defined.

In a specific embodiment of this embodiment, the stopper 7 is a rod-shaped member, the extending direction of the rod-shaped member coincides with the axial direction of the fourth guide pulley 64, and the handle assembly 212 can abut on the outer peripheral surfaces of the fourth guide pulley 64 and the rod-shaped member 7.

Specifically, when the exerciser does not operate the handle assembly 212 located above the steering member 63, the handle assembly 212 located above the steering member 63 may be placed between the stopper 7 and the fourth guide pulley 64, and the outer circumferential surface of the pulley 2123 in the handle assembly 212 located above the steering member 63 may be made to abut on the fourth guide pulley 64 and the outer circumferential surface of the rod-like member 7, i.e., at least a portion of the pulley 2123 in the handle assembly 212 located above the steering member 63 is located within the gap, so that the definition of the position of the handle assembly 212 located above the steering member 63 can be achieved.

As shown in fig. 3 and 4, the resistance adjustment assembly 221 includes a controller 2211, a driver 2212 and a motor 2213, the controller 2211 is electrically connected to the driver 2212, the driver 2212 is electrically connected to the external power source and the motor 2213, the driving wheel 222 is sleeved on a motor shaft of the motor 2213, the controller 2211 is used for controlling an operating state of the driver 2212, and the driver 2212 is used for driving the motor 2212 to rotate.

Specifically, the driver 2212 can control the driving motor 2212 to rotate and stop, and the driver 2212 can control the rotating speed of the motor 2212 to control the rotating speed of the driving wheel 222, so as to change the resistance provided by the strength training machine provided by the embodiment.

In this embodiment, in order to mount and fix the motor 2213 and the driving wheel 222, a mounting support 13 and a bearing seat 14 are further disposed in the bracket 1, the bearing seat 14 is connected to the mounting support 13 through a threaded fastener, the motor 2213 is fixed to the mounting support 13 through a threaded fastener, one end of the driving wheel 222 is connected to a motor shaft of the motor 2213, and the other end of the driving wheel 222 is connected to the bearing seat 14.

In order to improve the usability of the strength training machine provided by this embodiment, the resistance adjustment assembly 221 further includes a position sensor 2214, the position sensor 2214 is disposed on the motor shaft of the motor 2213, and the position sensor 2214 is electrically connected to the driver 2212, the driver 2212 obtains the current rotation state of the motor 2213 through the position sensor 2214, and when the position and the speed are exceeded, the motor 2213 is controlled to stop, so as to provide protection and avoid injury to the exerciser.

When the strength training machine provided by the embodiment is used, the strength training machine can be specifically divided into two use modes, one is a two-hand training mode, at this time, an exerciser can select a proper action according to a muscle group to be exercised, and then the two hands pull or release the two handle assemblies 212 simultaneously, or pull or release the two handle assemblies alternately; another is a one-handed training mode, specifically, when the exerciser needs to operate the handle assembly 212 above the position-limiting plate 12, another handle assembly 212 can be placed between the fourth guide pulley 64 and the stop 7; when the exerciser needs to operate the handle assembly 212 above the steering member 63, another handle assembly 212 can be placed on the limiting plate 12; the rotation speed of the motor 2213 can be controlled according to actual conditions during the process of pulling or releasing the handle assembly 212, so as to appropriately change the resistance provided by the strength training machine provided by the embodiment.

The strength training machine provided by the embodiment comprises a body, wherein the body comprises a support and a tension assembly arranged on the support, the tension assembly comprises a tension belt assembly, a counterweight mechanism and a guide assembly, the counterweight mechanism comprises a resistance adjusting assembly, a driving wheel and a guide assembly, the tension belt assembly comprises a tension belt and two handle assemblies, the first end of the tension belt is connected to the fixed end of the support through the guide of the guide assembly, the second end of the tension belt is connected to the driving wheel, the driving wheel rotates under the driving of the resistance adjusting assembly, and the handle assemblies are arranged between the two ends of the tension belt; the guide assembly comprises two guide units, the guide units are arranged between the driving wheel and the fixed ends, the driving wheel and the fixed ends are respectively located at two opposite ends of the support, the tension belt is arranged in the guide units in a penetrating mode, the two handle assemblies are respectively connected to belt sections, arranged in different guide units, of the tension belt in a corresponding mode, and the handle assemblies are used for supplying a sportsman to apply tension. Therefore, the strength training machine provided by the embodiment has high applicability.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. The strength training machine is characterized by comprising a body, wherein the body comprises a support and a tension assembly arranged on the support, the tension assembly comprises a tension belt assembly and a counterweight mechanism, the counterweight mechanism comprises a resistance adjusting assembly, a driving wheel and a guide assembly, the tension belt assembly comprises a tension belt and two handle assemblies, a first end of the tension belt is connected to a fixed end of the support through the guide of the guide assembly, a second end of the tension belt is connected to the driving wheel, the driving wheel rotates under the drive of the resistance adjusting assembly to enable the tension belt to be wound on a wheel surface of the driving wheel and generate counterweight pulling force, and the handle assemblies are arranged between two ends of the tension belt;

the guide assembly comprises two guide units, the guide units are arranged between the driving wheel and the fixed ends, the driving wheel and the fixed ends are respectively located at two opposite ends of the support, the tension belt penetrates through the guide units, the two handle assemblies are respectively and correspondingly connected to belt sections of the tension belt, which penetrate through the guide units, and the handle assemblies are used for applying tension to sportsmen.

2. The strength training machine according to claim 1, wherein the handle assembly comprises a handle, a connecting bracket and a pulley, the tension belt is wound on the pulley, one end of the connecting bracket is connected to the pulley, the other end of the connecting bracket is connected with the handle, a through hole for the tension belt to pass through is formed between one end of the connecting bracket and the other end of the connecting bracket, and at least part of the pulley is located in the through hole.

3. The strength training machine of claim 2, wherein the two guide units comprise a first guide unit and a second guide unit, the first guide unit being located on a side of the second guide unit away from the drive wheel.

4. The strength training machine according to claim 3, wherein the first guide unit comprises a first base and a plurality of guide pulleys, the first base is connected to the bracket, a first cavity for the tension belt to pass through is formed in the first base, and the guide pulleys are installed in the first cavity to limit the extending direction of the tension belt.

5. The strength training machine of claim 4, wherein the plurality of guide pulleys in the first guide unit comprise first and second guide pulleys that are spaced apart and are located on a side of the bracket facing away from the handle assembly; the tension belt sequentially passes over the first guide pulley, the handle assembly and the second guide pulley; the handle assembly is used for moving towards a direction close to or far away from the support under the action of the pulling force of the balance weight.

6. The strength training machine of claim 5, wherein the bracket is provided with a stop notch for abutting against the pull handle assembly to limit the maximum travel of the pull handle assembly in a direction approaching the bracket.

7. The strength training machine according to claim 3, wherein the second guiding unit comprises a supporting frame and a steering unit, the steering unit comprises a second base, a third guiding pulley, a steering piece and a fourth guiding pulley, the second base is connected to the support, a second cavity for the tension belt to pass through is formed in the second base, and the third guiding pulley is installed in the second cavity; the steering piece is arranged on the supporting frame, the fourth guide pulley is arranged on the steering piece, and the steering piece can horizontally rotate relative to the supporting frame so as to enable the fourth guide pulley to steer to different directions;

the pulling force area crosses the third guide pulley, the fourth guide pulley and the handle component and is connected with the fixed end of the bracket.

8. The strength training machine of claim 7, wherein the second guide unit further comprises a stop disposed on the steering member and having a gap between the stop and the fourth guide pulley, the gap having a width less than a width of the handle assembly, at least a portion of the handle assembly being positionable within the gap to limit a maximum travel of the handle assembly in a direction closer to the bracket.

9. Strength training machine according to claim 8, characterized in that the stop is a rod-like element, and the rod-like element extends in the axial direction of the fourth guide pulley, the pulling handle assembly being able to abut on the outer circumference of the fourth guide pulley and the rod-like element.

10. The strength training machine of any one of claims 1-9, wherein the resistance adjustment assembly comprises a controller, a driver and a motor, the controller is electrically connected to the driver, the driver is electrically connected to the motor, the driving wheel is sleeved on a motor shaft of the motor, the controller is used for controlling the working state of the driver, and the driver is used for driving the motor to rotate.