WO2022041622A1

WO2022041622A1 - Strength training machine

Info

Publication number: WO2022041622A1
Application number: PCT/CN2020/141028
Authority: WO
Inventors: 叶全胜
Original assignee: 广州视源电子科技股份有限公司; 广州源动智慧体育科技有限公司
Priority date: 2020-08-31
Filing date: 2020-12-29
Publication date: 2022-03-03

Abstract

The present application provides a strength training machine. The strength training machine provided in the present application comprises a main body; the main body comprises a support and a pulling assembly provided on the support, the pulling assembly comprises a pulling belt assembly, a counterweight mechanism and a guide assembly; the counterweight mechanism comprises a resistance adjustment assembly, a driving wheel and a guide assembly, the pulling belt assembly comprises a pulling belt and two puller assemblies; a first end of the pulling belt is guided by the guide assembly so as to be connected to a fixed end of the support, a second end of the pulling belt is connected to the driving wheel, the driving wheel is driven by the resistance adjustment assembly to rotate, and the puller assemblies are provided between two ends of the pulling belt; the guide assembly comprises two guide units, the guide units are provided between the driving wheel and the fixed end, the pulling belt passes through the guide units, the two puller assemblies are respectively connected to belt segments of the pulling belt passing through different guide units, and the puller assemblies are used for an exercising person to apply a pulling force. The strength training machine of the present application has high applicability.

Description

strength training machine

This application is required to be submitted to the China Patent Office on August 31, 2020, the application number is 202010901266.9, and the application name is "Strength Training Machine". Machine", and the priority of the Chinese patent application with the application number 202010901217.5 and the application name "Strength Training Machine" filed with the China Patent Office on August 31, 2020, the entire contents of which are incorporated in this application by reference.

technical field

The present application relates to the field of fitness equipment, in particular, to a strength training machine.

Background technique

With the continuous improvement of living standards, people pay more and more attention to physical health, and the importance of exercise has also attracted people's attention. Exercise methods are mainly divided into aerobic exercise and anaerobic exercise, and anaerobic exercise mainly includes some strength. Training, through these strength training can increase muscle content and thus speed up the body's metabolism, improve people's physical fitness. Conventional strength training is mainly achieved through self-weight equipment or counterweight equipment. Self-weight equipment generally includes barbells, dumbbells, etc. The counterweight equipment can be divided into upper limb exercise equipment and lower limb exercise equipment according to the exercise parts.

Existing upper limb exercise equipment is mainly divided into chest exercise equipment, shoulder exercise equipment and back exercise equipment, and these equipment generally include an equipment body and a counterweight set on the equipment body, and the weight of the counterweight is adjusted by adjusting the weight of the weight block. Perform resistance training with different strengths for specific muscle groups to achieve the purpose of local muscle growth.

Therefore, the existing upper limb training equipment can only perform resistance training for a specific part, but cannot be applied to all parts of the upper limb, thereby reducing the applicability of the equipment.

SUMMARY OF THE INVENTION

The present application provides a strength training machine, which can be applied to all parts of the upper limbs, thereby improving the applicability of the strength training machine provided by the present application.

A strength training machine includes a body, the body includes a bracket and a tension component arranged on the bracket, the tension component includes a tension belt component and a counterweight mechanism, the counterweight mechanism includes a resistance adjustment component, a driving wheel and a guide component, and the tension belt component includes A tension belt and two handle assemblies, the first end of the tension belt is connected to the fixed end of the bracket through the guide of the guide assembly, the second end of the tension belt is connected to the driving wheel, and the driving wheel is driven by the resistance adjustment assembly to rotate to The tension belt is wound on the wheel surface of the driving wheel to generate a counterweight pulling force, and the handle assembly is arranged between the two ends of the tension belt;

The guide assembly includes two guide units, the guide unit is arranged between the driving wheel and the fixed end, the tension belt is penetrated in the guide unit, and the two handle assemblies are respectively connected to the belt segments of the tension belt and penetrated in different guide units. , the handle assembly is used for sports personnel to apply tension.

As an optional embodiment, the handle assembly includes a handle, a connecting bracket and a first pulley, the tension band is wound around the first pulley, one end of the connecting bracket is connected to the first pulley, and the other end of the connecting bracket is connected to the handle, and A through hole is formed between one end of the connecting bracket and the other end of the connecting bracket for the tension belt to pass through, and at least part of the first pulley is located in the through hole.

As an optional embodiment, the two guide units include a first guide unit and a second guide unit, and the first guide unit is located on a side of the second guide unit away from the driving wheel.

As an optional embodiment, the first guide unit includes a first base and a plurality of guide pulleys, the first base is connected to the bracket, and the first base is provided with a first cavity for the tension belt to penetrate , the guide pulley is installed in the first cavity to limit the extension direction of the tension belt.

As an optional embodiment, the plurality of guide pulleys in the first guide unit include a first guide pulley and a second guide pulley that are spaced apart, and both the first guide pulley and the second guide pulley are located on the bracket away from the handle assembly one side of the pulley; the tension belt passes over the first guide pulley, the handle assembly and the second guide pulley in sequence; the pull handle assembly is used to move toward or away from the bracket under the action of the pulling force of the counterweight.

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

As an optional embodiment, the second guide unit includes a support frame and a steering member, the steering member includes a second base, a third guide pulley, a steering member and a fourth guide pulley, and the second base is connected to the bracket, The second base is provided with a second cavity for the tension belt to pass through, the third guide pulley is installed in the second cavity; the steering member is installed on the support frame, the fourth guide pulley is installed on the steering member, and the steering member can be Rotate horizontally relative to the support frame to make the fourth guide pulley turn 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 optional embodiment, the second guide unit further includes a stopper, the stopper is arranged on the steering member, and there is a gap between the stopper and the fourth guide pulley, and the width of the gap is smaller than the width of the handle assembly , at least a part of the handle assembly can be located in the gap, so as to limit the maximum travel of the handle assembly moving toward the direction close to the bracket.

As an optional embodiment, the stopper is a rod-shaped member, and the extension direction of the rod-shaped member is consistent with the axial direction of the fourth guide pulley, and the handle assembly can abut on the fourth guide pulley and the outer circumference of the rod-shaped member face.

As an optional embodiment, the steering member and the support frame are provided with avoidance holes, and the tension belt is passed through the avoidance holes.

As an optional embodiment, the support frame includes a support plate, and the steering member is located on the support plate and can be rotated relative to the support plate.

As an optional embodiment, the resistance adjustment assembly includes a controller, a driver and a first motor, the controller is electrically connected to the driver, the driver is electrically connected to the first motor, and the driving wheel is sleeved on the motor shaft of the first motor, The controller is set to control the working state of the driver, the driver is set to drive the first motor to rotate, and the first motor is set to drive the driving wheel to rotate.

As an optional embodiment, the bracket includes a first bracket, a second bracket and a first connecting component, the first connecting component includes a connecting handle, and the first end of the first bracket and the first end of the second bracket are provided with matching Heavy mechanism, the second end of the first bracket and the second end of the second bracket are hinged through the connecting handle, and the first bracket and the second bracket can be relatively rotated around the hinge point to be in a folded state or an unfolded state, wherein in the folded state In the unfolded state, the two counterweight mechanisms are located in the same plane.

As an optional implementation manner, the second end of the first bracket has at least two first connectors, the second end of the second bracket has at least two second connectors, and the connection handle includes a handle body, and the handle body has at least two first connectors. Both ends have connecting parts, each connecting part is hinged with the first connecting piece and the second connecting piece which are opposite to each other, and there is a gap between the first connecting piece and the second connecting piece.

As an optional implementation manner, the first connecting component further includes two third connecting pieces, and the third connecting pieces are hinged with the first connecting piece and the second connecting piece located on the outer side.

As an optional embodiment, it further includes a second connecting component, and the second connecting component is configured to connect the first bracket and the second bracket in a folded state.

As an optional implementation manner, the second connection assembly includes a magnetic element and a magnetic adsorption piece, one of the magnetic element and the magnetic adsorption piece is located at the bottom of the first bracket, and the other is located at the bottom of the second bracket, and when folded In the state, the magnetic element and the magnetic attraction piece are attracted; or,

The second connecting component includes a buckle and a matching slot, one of the buckle and the slot is located at the bottom of the first bracket, and the other is located at the bottom of the second bracket. In the folded state, the buckle Engage with the card slot.

As an optional embodiment, it also includes a push rod structure, the push rod structure is located at the bottom of one of the first support and the second support, and the push rod structure is configured to apply a pushing force to the other, so that the first support Separated from the second bracket.

As an optional embodiment, the push rod structure includes a drive assembly, a swing rod and a support seat, the drive assembly and the support seat are connected to the first bracket or the second bracket, the swing rod is hinged with the support seat, and the drive assembly is connected to the swing rod , drive the pendulum rod to rotate around the support base, so that the pendulum rod exerts a thrust force on the first bracket or the second bracket.

As an optional implementation manner, the driving component is a second motor, and the output shaft of the second motor is connected to the swing rod; or,

The drive assembly includes a pull rod, a pull cable and a fixed seat, the fixed seat is connected with the first bracket, the pull rod is inserted on the fixed seat, and the pull rod and the swing rod are connected by the pull cable.

As an optional embodiment, the support base is provided with a positioning groove, the swing rod is hinged in the positioning groove, and the positioning groove is set to limit the rotation angle of the swing rod.

As an optional embodiment, the bottom and/or the side wall of the counterweight mechanism has a sliding pad or a second pulley.

As an optional embodiment, the bracket has a support surface for supporting the athlete, and the body includes: two tension components, and the two tension components are arranged on opposite sides of the support surface along the horizontal direction.

As an optional implementation manner, a support pad is provided at the bottom of the bracket, and a suction cup is provided at the bottom of the support pad.

The strength training machine provided by the present application includes a body, the body includes a bracket and a tension component arranged on the bracket, the tension component includes a tension belt component, a counterweight mechanism and a guide component, and the counterweight mechanism includes a resistance adjustment component, a drive wheel and a guide component, The tension band assembly includes a tension band and two handle assemblies. The first end of the tension band is connected to the fixed end of the bracket through the guide of the guide assembly, and the second end of the tension band is connected to the driving wheel. The driving wheel is driven by the resistance adjustment assembly. Rotate down, the handle assembly is arranged between the two ends of the tension belt; the guide assembly includes two guide units, the guide unit is arranged between the driving wheel and the fixed end, the tension belt is penetrated in the guide unit, and the two handle assemblies correspond to The handle assembly is connected to the belt segments of the tension belt that pass through different guide units, and the handle assembly is used for the sports personnel to apply tension. Therefore, the strength training machine provided by the present application has high applicability.

The configuration of the present application and its other inventive objects and beneficial effects will be more clearly understood by the description of the preferred embodiments in conjunction with the accompanying drawings.

Description of drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following will briefly introduce the accompanying drawings used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description These are some embodiments of the present application, and for those of ordinary skill in the art, other drawings can also be obtained from these drawings without any creative effort.

1 is a schematic structural diagram of a strength training machine provided by an embodiment of the present application;

2 is a schematic structural diagram of a handle assembly in a strength training machine provided by an embodiment of the present application;

3 is an exploded view of the partial structure of the strength training machine provided by the embodiment of the present application;

4 is a schematic diagram of a working state of the strength training machine provided by the embodiment of the present application;

5 is a schematic structural diagram of a strength training machine including two brackets provided by an embodiment of the application;

Figure 6 is a partial cross-sectional view of A-A in Figure 5;

Fig. 7 is a partial cross-sectional view of B-B in Fig. 5;

8 is an exploded view of the first bracket in the strength training machine provided by the embodiment of the present application;

9 is an exploded view of the guide assembly in the strength training machine provided by the embodiment of the present application;

10 is an exploded view of the second bracket in the strength training machine provided by the embodiment of the application;

11 is a schematic structural diagram of a connection handle in a strength training machine provided by an embodiment of the application;

12 is a schematic structural diagram of another angle of the unfolded state of the strength training machine provided by the embodiment of the application;

13 is a schematic structural diagram of the folded state of the strength training machine provided by the embodiment of the application;

14 is a schematic structural diagram of a first bracket in the strength training machine provided by the embodiment of the application;

15 is a schematic structural diagram of another angle of the first bracket in the strength training machine provided by the embodiment of the application;

16 is a schematic structural diagram of a second bracket in the strength training machine provided by the embodiment of the application;

FIG. 17 is a partial enlarged view of A in FIG. 13 .

Description of reference numbers:

100 - ontology;

1-bracket; 11-stop notch; 12-limiting plate; 13-installation support; 131-first support part; 132-second support part; 133-first installation hole; 134-second installation hole; 14-bearing seat; 15-support surface; 151-first support plate; 152-second support plate; 16-support pad; 17-first bracket; 171-first support rod; 172-first connecting rod; 173 -1st connecting piece; 174-second through hole; 175-supporting rib; 18-second bracket; 181-second support rod; 182-second connecting rod; 183-second connecting piece; 184-third pass hole; 19-first connecting component; 191-connecting handle; 192-handle body; 193-connecting part; 1931-first through hole; 194-third connecting piece; 110-limiting piece; 120-second connecting component ; 121 - magnetic element; 122 - magnetic adsorption piece; 123 - sleeve; 124 - guide shaft; 125 - positioning shaft; 126 - buffer piece;

2- tension assembly; 21- tension band assembly; 211- tension band; 212- handle assembly; 2121- handle; 2122- connecting bracket; 21221- through hole; 21222- connecting shaft; 21223- U-shaped rod; 2123- first Pulley; 2124-connecting belt; 2125-connecting ring; 2126-first connecting hole; 2127-second connecting hole; 22-counterweight mechanism; 221-resistance adjustment assembly; 2211-controller; 2212-driver; 1 motor; 2214 - position sensor; 222 - driving wheel; 2221 - connecting shaft; 223 - sliding pad; 224 - second pulley;

3- the first base;

4-guide pulley; 4a-first guide pulley; 4b-second guide pulley;

5-supporting frame; 51-connecting plate; 52-connecting rod; 53-supporting plate; 54-sleeve;

6-steering piece; 61-second base; 62-third guide pulley; 63-steering piece; 631-base; 632-steering bracket; 633-support arm; 64-fourth guide pulley; 66-avoidance hole; 67-limit wheel;

7-stop;

8-Push rod structure; 81-Drive assembly; 82-Tie rod; 83-Cable; 84-Fixed seat; 85-Swing rod; 86-Support seat; 861-Locating slot;

9-bolt;

10-nut;

01-Support.

detailed description

In order to make the objectives, technical solutions and advantages of the present application clearer, the technical solutions in the embodiments of the present application will be described in more detail below with reference to the accompanying drawings in the preferred embodiments of the present application. Throughout the drawings, the same or similar reference numbers refer to the same or similar parts or parts having the same or similar functions. The described embodiments are some, but not all, of the embodiments of the present application. The embodiments described below with reference to the accompanying drawings are exemplary, and are intended to be used to explain the present application, but should not be construed as a limitation to the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present application.

With the continuous improvement of living standards, people pay more and more attention to physical health, and the importance of exercise has also attracted people's attention. Exercise methods are mainly divided into aerobic exercise and anaerobic exercise. Aerobic exercise is mainly to improve cardiopulmonary Functional training, such as running, swimming, mountain climbing, etc., exercisers have a higher heart rate during the whole process of exercise; while anaerobic exercise mainly includes some strength training, through which strength training can increase muscle content and speed up Metabolism in the body, conventional strength training is mainly achieved through self-weight equipment or counterweight equipment. Self-weight equipment generally includes barbells, dumbbells, etc. The counterweight equipment can be divided into upper limb exercise equipment and lower limb exercise equipment according to the exercise part. The person exercising is exercising. The process is manifested as a higher heart rate at a certain moment, whether it is aerobic exercise or anaerobic exercise can improve people's physical fitness.

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

1. A device is only aimed at a specific muscle group and has little applicability;

2. The existing upper limb training equipment includes the equipment body and the counterweight block arranged on the equipment body. Therefore, the overall mass of the equipment also includes the counterweight block in addition to the equipment body, which increases the weight of the entire equipment and does not easy to move;

3. In the process of adjusting the weight of the counterweight, it is mainly realized manually, therefore, it will occupy the exercise time of the exerciser and reduce the exercise effect of the exerciser;

4. In the existing upper limb training equipment, when adjusting the weight of the counterweight, the minimum value of the change of the counterweight is relatively large, which makes the minimum value of the resistance change relatively large, and it is difficult to achieve the exercise effect of the exerciser. a better state of itself.

Therefore, the present application provides a strength training machine that can overcome the above-mentioned drawbacks.

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

FIG. 1 is a schematic structural diagram of a strength training machine provided by an embodiment of the present application. FIG. 2 is a schematic structural diagram of a handle assembly in a strength training machine provided by an embodiment of the present application. FIG. 3 is an exploded view of the partial structure of the strength training machine provided by the embodiment of the present application. FIG. 4 is a schematic diagram of a working state of the strength training machine provided by the embodiment of the present application.

As shown in FIG. 1 , an embodiment of the present application provides a strength training machine, including a body 100 . The body 100 includes a bracket 1 and a tension assembly 2 disposed on the bracket 1 , and the tension assembly 2 includes a tension belt assembly 21 and a weight mechanism 22 . , the counterweight mechanism 22 includes a resistance adjustment assembly 221, a driving wheel 222 and a guide assembly, the tension belt assembly 21 includes a tension belt 211 and two handle assemblies 212, and the first end of the tension belt 211 is connected to the bracket 1 through the guide of the guide assembly. On the fixed end, the second end of the tension belt 211 is connected to the driving wheel 222, and the driving wheel 222 is rotated under the driving of the resistance adjusting assembly 221, so that the tension belt 211 is wound on the wheel surface of the driving wheel 222 and generates a counterweight pull. Pulling force, the handle assembly 212 is arranged between the two ends of the tension band 211; the guide assembly includes two guide units, the guide unit is arranged between the driving wheel 222 and the fixed end, the tension band 211 is passed through the guide unit, and the two The handle assemblies 212 are respectively connected to the belt segments of the tension belt 211 that are passed through different guiding units, and the handle assemblies 212 are used for the sportsman to apply tension.

When using the strength training machine provided in this embodiment, the exerciser needs to stand on one side of the bracket 1 and manually pull the handle assembly 212 (pull one handle assembly 212 with one hand or pull two handle assemblies 212 with both hands at the same time), that is, Pulling the tension belt 211, when the handle assembly 212 moves away from the bracket 1, at this time, the resistance adjusting assembly 221 can be activated to drive the driving wheel 222 to rotate, and the driving wheel 222 will recover the tension belt 211, so that the At least part of the tension belt 211 on the driving wheel 222 is wound around the driving wheel 222 under the action of the guiding unit to generate resistance during the exercise of the exerciser; during use, the exerciser can control the actual situation The resistance change can be specifically made by causing the resistance adjusting component 221 to drive the driving wheel 222 to rotate at different rotational speeds, so as to recover or release the tension belt 211 to change the resistance. In this way, the exerciser can use the strength training machine provided by this embodiment more conveniently.

It should be noted that, in the strength training machine provided in this embodiment, when the standing position and posture of the exerciser are different, and the direction of the pulling force generated on the handle assembly 212 is different, the exercised parts are different. , the back side of the stand 1 is the inward direction of the paper, and the front side of the stand 1 is the outward direction of the paper. When the exerciser stands on the front side of the stand 1 and faces the stand 1, then , bend down and pull down the handle assembly 212, and clamp and keep the upper arm still, so that the upper arm and the forearm are at an included angle of less than 90°. When repeating the actions of pulling down and putting the handle assembly 212 up, the biceps can be strengthened. When facing the bracket 1, slightly flex the hip, pull down the handle assembly 212, and clamp and keep the upper arm still, so that the angle between the upper arm and the forearm is less than 90°, and repeat the pull-down and lift-up During the action of pulling the hand assembly 212, the training of the triceps can be strengthened. Here, the types of specific exercise methods performed by the exerciser in different standing positions and postures are not described one by one, and the exerciser can choose different actions according to their own state.

In order to improve the use effect of the strength training machine provided in this embodiment, in actual use, a fitness bench that is compatible with the strength training machine provided in this embodiment can be selected, so that the exerciser can exercise the upper limbs. Tighten your core and improve your workout. Exemplarily, in the process of strengthening the small muscle groups of the chest, back and shoulders, the strength training machine provided in this embodiment can be used with a fitness bench.

As shown in FIG. 2 , in this embodiment, the handle assembly 212 includes a handle 2121 , a connecting bracket 2122 and a first pulley 2123 , the tension belt 211 is wound around the first pulley 2123 , and one end of the connecting bracket 2122 is connected to the first pulley 2123 The other end of the connecting bracket 2122 is connected to the handle 2121, and a through hole 21221 for the tension belt 211 to pass through is formed between one end of the connecting bracket 2122 and the other end of the connecting bracket 2122. At least part of the first pulley 2123 is located in the inside hole 21221.

In the specific implementation of this embodiment, the handle 2121 is a pull button, the connecting bracket 2122 includes a connecting shaft 21222 and a U-shaped rod 21223, the first pulley 2123 is sleeved on the connecting shaft 12125, and the ends of the U-shaped rod 21223 are connected A through hole 21221 is formed between the connecting shaft 21222 and the U-shaped rod 21223 and the connecting shaft 21222. The tension belt 211 passes through the through hole 21221 and passes over the first pulley 2123. The first end of the pull buckle is hung on the U-shaped rod 21223. , the second end of the pull buckle is used by the exerciser to pull and release it.

It should be noted that, in order to enhance the exerciser's experience of the strength training machine provided by this embodiment, in this embodiment, the second end of the pull button is an arc segment, so that the exerciser's hand fits the pull button. In this way, the comfort of the hand can be improved.

Specifically, the above-mentioned handle assembly 212 further includes a connecting strap 2124 and a connecting ring 2125. A first connecting hole 2126 is formed at the first end of the connecting strap 2124, and a second connecting hole 2127 is formed at the second end of the connecting strap 2124. The first end of the 2124 is hung on the U-shaped rod 21223 through the first connecting hole 2126, the second end of the connecting belt 2124 is hung on the first end of the connecting ring 2125 through the second connecting hole 2127, and the first end of the buckle The end hangs on the second end of the connecting ring 2125 .

In the present embodiment, the first end of the connecting ring 2125 is a straight rod part that is matched and connected with the connecting belt 2124 , and the second end of the connecting ring 2125 is a curved rod part that is matched and connected with the buckle.

In order to improve the use effect of the strength training machine provided in this embodiment, in this embodiment, the connecting belt 2124 can be an elastic belt, so that the elastic belt can also provide resistance for the exerciser and improve the exercise 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, and the first guide unit is located on a side of the second guide unit away from the driving wheel 222 .

In this way, both the first guide unit and the second guide unit can guide the tension band 211 , so that the exerciser can pull and release the handle 2121 more smoothly and smoothly.

In the specific implementation of this embodiment, the first guide unit includes a first base 3 and a plurality of guide pulleys 4, the first base 3 is connected to the bracket 1, and the first base 3 is provided with a tension force In the first cavity through which the belt 211 passes, the guide pulley 4 is installed in the first cavity to limit the extension direction of the tension belt 211 . Specifically, the cavity opening of the first cavity faces the ground, and the cavity 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 include a first guide pulley 4a and a second guide pulley 4b arranged at intervals, and both the first guide pulley 4a and the second guide pulley 4b are located on the side of the bracket 1 . The side 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 turn; direction move.

In the specific implementation of this embodiment, the first guide unit includes two first bases 3, the first guide pulley 4a is installed in one first base 3, and the second guide pulley 4b is installed in the other first base 3 inside the base 3.

Specifically, the tension belt 211 passes through the first cavity in the first base 3 and passes over the first guide pulley 4a, passes through the through hole 21221 in the handle assembly 212 and passes over the first pulley 2123 in the handle assembly 212. , penetrates through the first cavity in the other first base 3 and passes over the second guide pulley 4b and is connected to the fixed end of the bracket.

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

As an optional embodiment, the bracket 1 is provided with a stop notch 11 , and the stop notch 11 is arranged to abut against the handle assembly 212 to limit the maximum stroke of the handle assembly 212 moving toward the direction close to the bracket 1 .

As an optional embodiment, the bracket 1 is provided with a limit plate 12 , and the stop notch 11 is provided on the limit plate 12 . When the exerciser does not operate the handle assembly 212 located above the limit plate 12 , they can The connecting shaft 21222 in the handle assembly 212 located above the limiting plate 12 is clamped in the stop notch 11 to fix the handle assembly 212 located above the limiting plate 12 .

It should be noted that, in this embodiment, as long as the stop notch 11 can effectively clamp and fix the connecting shaft 21222 , the purpose of this embodiment can be achieved. Here, the shape of the stop notch 11 is not specifically limited.

In this embodiment, the second guide unit includes a support frame 5 and a steering member 6 , the steering member 6 includes a second base 61 , a third guide pulley 62 , a turning member 63 and a fourth guide pulley 64 , and the second base 61 Connected to the bracket 1, the second base 61 is provided with a second cavity for the tension belt to pass through, the third guide pulley 62 is installed in the second cavity; the steering member 63 is installed on the support frame 5, and the fourth guide The pulley 64 is mounted on the steering member 63, and the steering member 63 can be rotated horizontally relative to the support frame 5 to make the fourth guide pulley 64 turn in different directions; the tension belt 211 passes over the third guide pulley 62, the fourth guide pulley 64 and the handle assembly 212 , and connect with the fixed end of bracket 1.

It should be noted that the structure of the second base 61 is the same as that of the first base 3 described above, and details are not described herein.

Specifically, the tension belt 211 passes through the first cavity in the first base 3 and passes over the first guide pulley 4a, passes through the through hole 21221 in the handle assembly 212 and passes over the first pulley 2123 in the handle assembly 212. , pass through the first cavity in the other first base 3 and pass the second guide pulley 4b, pass through the second cavity and pass the third guide pulley 62, pass the fourth guide pulley 64, pass through the other handle assembly 212 The through hole 21221 of the other handle assembly 212 is connected to the fixed end of the bracket 1 after passing over the first pulley 2123 in the other handle assembly 212 .

It should be noted that the tension band 211 sequentially penetrates the first cavity in a first base 3 and passes over the first guide pulley 4a, passes through the through hole 21221 in a handle assembly 212, and passes over the first cavity in a handle assembly 212. During the process of a pulley 2123 passing through the first cavity in the other first base 3 and passing over the second guide pulley 4b, the tension belt 211 can be bypassed from the rear of the bracket 1, and the bracket 1 can also be provided with The hole for the tension band 211 to pass through allows the tension band 211 to pass through the inside of the bracket 1 .

As an optional embodiment, the second guide unit further includes a stopper 7 , the stopper 7 is arranged on the steering member 63 , and there is a gap between the stopper 7 and the fourth guide pulley 64 , and the width of the gap is Less than the width of the handle assembly 212 , at least a part of the handle assembly 212 can be located in the gap, so as to limit the maximum travel of the handle assembly 212 moving toward the direction close to 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 can be placed between the stopper 7 and the fourth guide pulley 64, and make the handle At least part of the assembly 212 is located in the gap, so that the position of the handle assembly 212 located above the steering member 63 can be defined.

In the specific implementation of this embodiment, the stopper 7 is a rod-shaped member, and the extending direction of the rod-shaped member is consistent with the axial direction of the fourth guide pulley 64 , and the handle assembly 212 can abut against the fourth guide pulley 64 and the outer peripheral surface of the stopper 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 can be placed between the stopper 7 and the fourth guide pulley 64, and the handle assembly 212 located above the steering member 63 can be placed between the stopper 7 and the fourth guide pulley 64, The outer peripheral surface of the first pulley 2123 in the handle assembly 212 above the steering member 63 abuts on the outer peripheral surface of the fourth guide pulley 64 and the stopper 7 , that is, the first pulley in the handle assembly 212 located above the steering member 63 . If at least part of the pulley 2123 is located in the gap, the position of the handle assembly 212 located above the steering member 63 can be defined.

As shown in FIG. 3 and FIG. 4 , the resistance adjusting assembly 221 includes a controller 2211, a driver 2212 and a first motor 2213. The controller 2211 is electrically connected to the driver 2212, and the driver 2212 is electrically connected to an external power supply and the first motor 2213, and drives the wheel. The 222 is sleeved on the motor shaft of the first motor 2213, the controller 2211 is set to control the working state of the driver 2212, and the driver 2212 is set to drive the first motor 2213 to rotate.

Specifically, the driver 2212 can control and drive the first motor 2213 to rotate and stop, and the driver 2212 can control the rotation speed of the first motor 2213 to control the rotation speed of the driving wheel 222, so as to realize the resistance provided by the strength training machine provided in this embodiment. Change. Wherein, the resistance adjusting component 221 may also be a rotary cylinder or other components known to those skilled in the art that can drive the driving wheel 222 to rotate, which is not limited in this embodiment.

Specifically, the driver 2212 may have multiple buttons representing different functions. For example, start button, pause button, torque increase button, torque decrease button, etc. The operator provides control signals to the driver 2212 by pressing different buttons, and the driver 2212 controls the first motor 2213 to start working, suspend working, decrease the speed, increase the speed, etc. according to the control signal. It can be adjusted according to the different needs of athletes, which is convenient for the adjustment of the weight. In order to precisely adjust the weight, each time the torque increase button or the torque decrease button is pressed, the rotation speed of the first motor 2213 is decreased or increased by a preset value. The preset value can be adjusted according to the needs of the customer. For example, the preset value is 1 revolution per minute, that is, the number of rotations of the first motor 2213 per minute is decreased or increased by one time.

In this embodiment, in order to install and fix the first motor 2213 and the driving wheel 222, the bracket 1 is also provided with a mounting support 13 and a bearing seat 14, and the bearing seat 14 and the mounting support 13 are connected by threaded fasteners. The first motor 2213 is fixed on the mounting support 13 by threaded fasteners, one end of the driving wheel 222 is connected with the motor shaft of the first motor 2213 , and the other end of the driving wheel 222 is connected with the bearing seat 14 .

Please continue to refer to FIG. 3 . Specifically, the mounting support 13 has opposite first support portions 131 and second support portions 132 , the first support portion 131 has a first mounting hole 133 , and the second support portion 132 has a first mounting hole 133 There is a second mounting hole 134 . The bearing seat 14 is installed in the first installation hole 133 , the bearing seat 14 can be connected with the first support part 131 , the motor shaft of the resistance adjustment assembly 221 is inserted into the second installation hole 134 , and the resistance adjustment assembly 221 is connected with the second support part 132 , the driving wheel 222 is located between the first supporting part 131 and the second supporting part 132 , and one side of the driving wheel 222 has a connecting shaft 2221 , and the connecting shaft 2221 is inserted into the bearing in the bearing seat 14 to pass through the mounting support 13 The drive wheel 222 and the resistance adjustment assembly 221 are supported. The mounting bracket 13 can be connected with the bracket 1 .

In order to improve the performance of the strength training machine provided in this embodiment, the above-mentioned resistance adjustment assembly 221 further includes a position sensor 2214, the position sensor 2214 is arranged on the motor shaft of the first motor 2213, and the position sensor 2214 is electrically connected with the driver 2212, The driver 2212 obtains the current rotation state of the first motor 2213 through the position sensor 2214, and controls the first motor 2213 to stop when the position exceeds the position and the speed is too fast to provide protection and avoid harming the exerciser.

In order to prevent the speed of the motor from being too high, thereby causing injury to the athlete. In some embodiments, the strength training machine further includes a position sensor 2214. The position sensor 2214 is electrically connected to the controller 2211. The position sensor 2214 is configured to detect the rotational speed of the first motor 2213. When it is equal to the preset value, the first motor 2213 is controlled to stop running. The preset value is set according to experience, which is not limited in this embodiment.

Specifically, the position sensor 2214 may be located at the tail of the first motor 2213 , the side or near the motor shaft of the first motor 2213 . In order to facilitate the position sensor 2214 to detect the rotational speed of the first motor 2213 , the detection part of the position sensor 2214 may be located near the motor shaft of the first motor 2213 .

When using the strength training machine provided in this embodiment, it can be divided into two usage modes. One is the two-hand training mode. The two handle assemblies 212 can be pulled or released at the same time, or alternately pulled or released; the other is a one-handed training mode. Specifically, when the exerciser needs to operate the handle assembly 212 located above the limit plate 12 At this time, another handle assembly 212 can be placed between the fourth guide pulley 64 and the stopper 7; when the exerciser needs to operate the handle assembly 212 located above the steering member 63, at this time, the handle assembly 212 can be Another handle assembly 212 is placed on the limiting plate 12; in the process of pulling or releasing the handle assembly 212, the rotation speed of the first motor 2213 can be controlled according to the actual situation, so as to realize the strength training machine provided in this embodiment. The resistance is changed appropriately.

The strength training machine provided in this embodiment includes a body, the body includes a bracket and a tension assembly arranged on the bracket, the tension assembly includes a tension belt assembly, a counterweight mechanism and a guide assembly, and the counterweight mechanism includes a resistance adjustment assembly, a drive wheel and a guide assembly , the tension band assembly includes a tension band and two handle assemblies, the first end of the tension band is connected to the fixed end of the bracket through the guide of the guide assembly, and the second end of the tension band is connected to the driving wheel, and the driving wheel is in the resistance adjustment assembly. It rotates under driving, and the handle assembly is arranged between the two ends of the tension band; the guide assembly includes two guide units, the guide unit is arranged between the driving wheel and the fixed end, and the tension band is penetrated in the guide unit, and the two handle assemblies are respectively Correspondingly connected to the belt segments of the tension belt and passing through different guiding units, the handle assembly is configured for the sports personnel to apply tension. Therefore, the strength training machine provided in this embodiment has high applicability.

Referring to FIG. 5 , in this embodiment, the bracket 1 has a support surface 15 for supporting the athlete, and the main body 100 includes two tension components 2 arranged on opposite sides of the support surface 15 along the horizontal direction.

The bracket 1 is configured to support two tension components 2, and the tension components 2 can be connected to the bracket 1 by means of screw connection, welding or the like. A support surface 15 is provided on the bracket 1 , and the athlete can step on the support surface 15 to support the athlete through the support surface 15 . The support 1 can be in the shape of a rectangular parallelepiped, the length of the support 1 is greater than the width of the support 1 , the tension components 2 are symmetrically arranged along the length direction of the support 1 , and the athlete can stand between the two tension components 2 .

Specifically, the counterweight mechanism 22 is set to simulate counterweight. The counterweight mechanism 22 includes a resistance adjustment assembly 221 and a driving wheel 222 . The resistance adjustment assembly 221 is connected with the driving wheel 222 to rotate under the driving action of the resistance adjustment assembly 221 , so that the tension belt 211 is wound around the driving wheel 222 . The traction force of the counterweight is generated on the wheel surface, and the traction force of the counterweight is transmitted to the first end of the tension belt 211 . In this way, when adjusting the weight, the weight of the weight mechanism 22 can be adjusted more accurately, and the weights of the two tension components 2 can be adjusted respectively according to different needs of athletes.

In the present disclosure, the two tension assemblies 2 are symmetrically arranged on opposite sides of the support surface 15 along the horizontal direction, that is, the driving wheels 222 in the two tension assemblies 2 are opposite to each other, and the rotation shafts of the driving wheels 222 in the two tension assemblies 2 are opposite. The directions are parallel to each other, the resistance adjustment assemblies 221 in the two tension assemblies 2 are opposite to each other, and the motor axes of the resistance adjustment assemblies 221 in the two tension assemblies 2 are parallel.

In this embodiment, a tension assembly 2 is used, and through the tension belt 211 of the tension assembly 2, low pulling, rowing exercise and side body pulling exercise are realized. Using two tension components 2 at the same time and pulling two tension components 2 at the same time can realize the big bird chest clipping exercise and the push-up exercise, thereby meeting the exercise needs of multiple parts of the athlete, improving the athlete's sense of experience, and occupying space Small and low cost, can be used in home and office.

In this embodiment, in order to facilitate the tension belt 211 to extend out of the tension assembly 2 , in some embodiments, the steering member 63 and the support frame 5 are provided with avoidance holes 66 , and the tension belt 211 passes through the avoidance holes 66 . In specific implementation, the first end of the tension band 211 extends out of the tension assembly 2 through the avoidance hole 66 on the support frame 5 and the avoidance hole 66 on the steering member 63 in sequence.

Please continue to refer to FIG. 8 and FIG. 9 , in some embodiments, the steering member 63 is provided with a fourth guide wheel 2235 and a third guide wheel 2236 , and the fourth guide wheel 2235 and the third guide wheel 2236 are respectively located on the steering member 63 , and the fourth guide wheel 2235 and the third guide wheel 2236 are supported on opposite sides in the radial direction of the tension belt 211 .

Specifically, the fourth guide wheel 2235 and the third guide wheel 2236 may both be pulleys. The support frame 5 may include two connecting plates 51 , two connecting rods 52 and a supporting plate 53 , the first ends of the two connecting rods 52 are connected to a connecting plate 51 , and the second ends of the two connecting rods 52 are connected to another connecting plate 51 , a frame structure is formed by a connecting plate 51 and a connecting rod 52 . The two connecting plates 51 are respectively connected to opposite sides of the bracket 1 . The resistance adjustment assembly 221 may be connected with the connecting rod 52 .

Wherein, the steering member 63 may be a universal runner. The steering member 63 may include a base 631 and a steering bracket 632, the base 631 is cylindrical, the steering bracket 632 has at least two support arms 633, the steering bracket 632 is sleeved on the outer side wall of the base 631, and one end of the two support arms 633 is connected to the outer wall of the base 631. The outer side wall of the base 631 abuts, the fourth guide wheel 2235 is connected between the two support arms 633, and the limit wheel 67 can also be connected between the two support arms 633 to limit the tension belt 211 between the limit wheel 67 and the limit wheel 67. Between the fourth guide wheel 2235. The base 631 and the steering bracket 632 are relatively fixed, the support plate 53 has a sleeve 54 , and the base 631 is sleeved on the sleeve 54 on the support plate 53 and can rotate around the sleeve 54 . Wherein, the sleeve 54 can communicate with the escape hole 66 on the support plate 53 .

In this embodiment, the support plate 53 is arranged to support the steering member 63, the base 631 is located on the upper surface of the support plate 53, the support plate 53 is provided with an escape hole 66, the base 631 is also provided with an escape hole 66, and the third guide wheel 2236 Located on the lower surface of the support plate 53, the fourth guide wheel 2235 is located on the steering bracket 632. When the base 631 rotates around the circumference of the sleeve 54, the fourth guide wheel 2235 rotates with the base 631, so that the tension belt 211 extends in different directions .

Optionally, the axis of the fourth guide wheel 2235 and the axis of the third guide wheel 2236 may both be parallel to the horizontal plane. Therefore, the fourth guide wheel 2235 and the third guide wheel 2236 can be stably supported on opposite sides in the radial direction of the tension belt 211 .

Please continue to refer to FIG. 5 . Optionally, in the strength training machine provided by the embodiment of the present application, the bottom of the bracket 1 is provided with a support pad 16 , and the bottom of the support pad 16 has a suction cup (not shown in the figure). The strength training machine provided in the embodiment of the present application is fixed on the ground by a suction cup, so as to prevent the support 1 from moving during use, so as to improve the experience of the athlete.

Optionally, at least two support pads 16 are provided at the bottom of the weight mechanism 22. When the strength training machine is in the unfolded state, the support pads 16 are in contact with the support surface of the strength training machine. When the strength training machine is in use, it is a strength training machine. Provide buffering.

FIG. 10 is an exploded view of the second bracket in the strength training machine provided by the embodiment of the application; FIG. 11 is a schematic structural diagram of the connecting handle in the strength training machine provided by the embodiment of the application. 5 , 6 to 8 , 10 and 11 , in order to facilitate the storage of the strength training machine, in some embodiments, the bracket 1 includes a first bracket 17 , a second bracket 18 and a first connecting component 19 , The first connecting assembly includes a connecting handle 191, the first bracket 17 and the second bracket 18 are symmetrically arranged, the first end of the first bracket 17 and the first end of the second bracket 18 are both provided with a counterweight mechanism 22, and the first bracket 17 is provided with a weight mechanism 22. The second end and the second end of the second bracket 18 are hinged through the connecting handle 191, and the first bracket 17 and the second bracket 18 can be relatively rotated around the hinge point to be in a folded state or an unfolded state, wherein, in the folded state, the first A bracket 17 and the second bracket 18 are arranged back-to-back, that is, the two counterweight mechanisms 22 are in contact; in the unfolded state, the first bracket 17 and the second bracket 18 are arranged side by side, and at this time, the two counterweight mechanisms 22 are located at In the same plane, the first bracket 17 and the second bracket 18 are located in the same plane. Wherein, the first bracket 17 and the second bracket 18 may be in the shape of a rectangular frame. The structures of the first bracket 17 and the second bracket 18 may be the same. The counterweight mechanism 22 on the first bracket 17 and the counterweight mechanism 22 on the second bracket 18 can be arranged symmetrically.

In a specific implementation, the first bracket 17 may include at least two first support rods 171 and a first link 172 connected between the two first support rods 171 . The support surface 15 may include a first support plate 151 and a second support plate 152 , and the first support plate 151 covers the first support rod 171 and the first link 172 . Correspondingly, the second bracket 18 may include at least two second support rods 181 and a second link 182 connected between the two second support rods 181 . The second support plate 193 covers the second support rod 181 and the second link 182 . The athlete is supported by the support surface 15 formed by the first support plate 151 and the second support plate 152 .

5 and 12 , when the strength training machine is deployed, the first bracket 17 and the second bracket 18 are arranged side by side, and the athlete pulls the tension belt 211 to achieve strength training. When the strength training machine needs to be folded, pull the connecting handle 191 with one hand, the first end of the first bracket 17 and the first end of the second bracket 18 are respectively rotated around the connecting handle 191, and are connected to the second end of the first bracket 17 and the second end of the second bracket 18 respectively. Under the action of gravity of the tension component 2 at the second end of the second bracket 18, the second end of the first bracket 17 and the first end of the second bracket 18 are gradually raised with the connection handle 191, and the first bracket 17 and the second bracket 18 is gradually folded up until it is folded to the folded state shown in FIG. 13 , and the first bracket 17 and the second bracket 18 are arranged back to back, thereby facilitating the storage of the strength training machine.

In the strength training machine provided in the embodiment of the present application, by setting the first bracket 17 and the second bracket 18 , the tension component 2 is symmetrically arranged on the second end of the first bracket 17 and the second end of the second bracket 1 . The first end and the first end of the second bracket 18 are hinged through the connecting handle 191, and the connecting handle 191 is pulled by one hand, so that the first end of the first bracket 17 and the first end of the second bracket 18 are respectively wrapped around the connecting handle 191 Under the action of gravity of the tension component 2 connected to the second end of the first bracket 17 and the second end of the second bracket 18 at the same time, the first end of the first bracket 17 and the first end of the second bracket 18 are connected with the handle 191 is gradually raised, and the first bracket 17 and the second bracket 18 are gradually folded up to a folded state in which the first bracket 17 and the second bracket 18 are arranged back-to-back. The folding of the strength training machine is realized by one hand, the operation is convenient, and the structure is simple.

In order to facilitate the articulation of the first bracket 17 and the second bracket 18 with the connecting handle 191 . Please continue to refer to FIG. 5 , FIG. 11 , FIG. 12 , FIG. 14 to FIG. 16 , in some embodiments, the second end of the first bracket 17 has at least two first connecting pieces 173 , and the second bracket 18 has at least two first connectors 173 . Both ends have at least two second connecting pieces 183 . The connection handle 191 includes a handle main body 192, both ends of the handle main body 192 have connection parts 193, each connection part 193 is hinged with the opposite first connection piece 173 and the second connection piece 183 respectively, and the opposite first connection piece 173 is connected with the second connection piece 193. There is a gap between the two connecting pieces 183 .

In the drawings of this embodiment, the number of the first connecting member 173 and the number of the second connecting member 183 are both four for description. It can be understood that the number of the first connecting piece 173 and the second connecting piece 183 can also be greater than four. The four first connecting pieces 173 and the four second connecting pieces 183 are respectively disposed on the second end of the first bracket 17 and the second end of the second bracket 18 evenly and spaced apart. The second end of the first bracket 17 and the second end of the second bracket 18 are disposed opposite to each other, and the first connecting piece 173 and the second connecting piece 183 are in one-to-one correspondence. An opposing first connecting piece 173 and a second connecting piece 183 in the middle part are hinged, and the connecting part 193 at the second end of the handle body 192 can be respectively hinged with another opposing first connecting piece 173 and a second connecting piece 183 in the middle part. Therefore, the handle main body 192 is connected to the middle of the first bracket 17 and the second bracket 18, and the force is relatively uniform and stable when the strength training machine is folded with one hand.

The two sides of the handle main body 192 can be provided with rounded chamfers, thereby providing the user with a better hand feeling and increasing the user's experience.

Specifically, the connecting portion 193 may be provided with two first through holes 1931 , and the first connecting member 173 and the second connecting member 183 are respectively provided with a second through hole 174 and a third through hole 184 , through which the bolts 9 pass through the first through

holes

174 and 184 respectively. A through hole 1931 and a second through hole 174 are used to hinge the first connecting piece 173 and the connecting part 193 , and another bolt 9 passes through the first through hole 1931 and the third through hole 184 respectively to connect the second connecting piece 183 and connecting portion 193. The upper part of the axial direction of the bolt 9 is the optical axis, and the part has threads. The optical axis is located in the first through hole 1931 and part of the second through hole 174, or the optical axis is located in the first through hole 1931 and part of the third through hole 184. Therefore, it is ensured that the first bracket 17 and the second bracket 18 can smoothly rotate around the connection handle 191 . The second through hole 174 and the third through hole 184 may be stepped holes, through which the nut 10 is accommodated, and the nut 10 is connected with the threaded portion of the bolt 9 through a thread.

In this embodiment, there is a gap between the first connecting member 173 and the second connecting member 183 , thereby avoiding interference between the first bracket 17 and the second bracket 18 during the folding process of the strength training machine. Wherein, the opposite ends of the first connecting member 173 and the second connecting member 183 may be provided with chamfers, such as rounded chamfers, to avoid interference between the first bracket 17 and the second bracket 18 during the folding process of the strength training machine. .

In order to stably connect the first bracket 17 and the second bracket 18 , the rotation of the first bracket 17 and the second bracket 18 around the connection handle 191 is prevented from being offset. In some embodiments, the first connecting assembly 19 further includes two third connecting members 194, and the third connecting members 194 are hinged with the first connecting member 173 and the second connecting member 183 located on the outer side.

Specifically, two opposite sides of the first bracket 17 have first connecting members 173 , and two opposite sides of the second bracket 18 have second connecting members 183 . A third connecting member 194 is hinged with the second connecting member 183 on the first side of the first bracket 17 , and at the same time, is hinged with the second connecting member 183 on the first side of the second bracket 18 . Another third connecting piece 194 is hinged with the second connecting piece 183 on the second side of the first bracket 17 , and at the same time, is hinged with the second connecting piece 183 on the second side of the second bracket 18 . The hinged structure of the third connecting member 194 with the first connecting member 173 and the second connecting member 183 may be the same as the hinged structure of the connecting portion 193 with the first connecting member 173 and the second connecting member 183 , which will not be repeated here.

In some embodiments, the first connecting member 173 and/or the second connecting member 183 on the outer side further has a limiting member 110 . When the strength training machine is deployed, the limiting member 110 and the third connecting member 194 are in contact with the surface of the use side of the counterweight mechanism 22 , that is, the limiting member 110 and the third connecting member 194 face the first bracket 17 or the second bracket 18 . the top face abuts. Thereby, the reverse folding of the first bracket 17 and the second bracket 18 is avoided, and at the same time, a limit is provided for unfolding the strength training machine. In specific implementation, the limiting member 110 may be a cylinder or a limiting block.

During the folding process of the strength training machine, the stress points are concentrated on the first connecting piece 173 and the second connecting piece 183 , therefore, the support 01 can be provided to increase the strength of the first connecting piece 173 and the second connecting piece 183 . Specifically, at least one adjacent two first connecting members 173 and at least one adjacent two second connecting members 183 are connected through the support member 01 . Therefore, the strength of the first connecting member 173 and the second connecting member 183 is increased, and the deformation of the first connecting member 173 and the second connecting member 183 during the folding process of the strength training machine is avoided.

FIG. 17 is a partial enlarged view of A in FIG. 13 . 13 , 14 , 16 and 17 , the strength training machine provided in the embodiment of the present application further includes a second connecting component 120 , and the second connecting component 120 is configured to connect to the first bracket 17 in a folded state and the second bracket 18, so that the first bracket 17 and the second bracket 18 are arranged back-to-back.

In a possible implementation manner, the second connection component 120 includes a magnetic element 121 and a magnetic adsorption piece 122 , one of the magnetic element 121 and the magnetic adsorption piece 122 is located at the bottom of the first bracket 17 , and the other is located at the second At the bottom of the bracket 18, in the folded state, the magnetic element 121 and the magnetic adsorption member 122 are attracted. Specifically, the magnetic element 121 may be a magnet, and the magnetic adsorption member 122 may be a ferrous member that can be attracted by the magnet.

In the drawings of this embodiment, the magnetic element 121 is located at the bottom of the first bracket 17 , and the magnetic adsorption member 122 is located at the bottom of the second bracket 18 for illustration. 13 and 17, the second connection assembly 120 further includes a sleeve 123, a guide shaft 124, a positioning shaft 125 and a buffer member 126, the guide shaft 124 and the positioning shaft 125 are coaxially connected, and the guide shaft 124 is connected to the first bracket 17 is connected, for example, the first support rod 171 of the first bracket 17 and the first link 172 are connected with a support rib 175, and the support rib 175 provides a support force to the support plate. The positioning shaft 125 is connected with the first link 172 or the support rib 175 on the first link 172 . The buffer member 126 and the sleeve 123 are sleeved on the guide shaft 124 , the magnetic element 121 is connected to the first end of the sleeve 123 , and the buffer member 126 abuts against the second end of the sleeve 123 . When the strength training machine is in the folded state, the magnetic element 121 drives the sleeve 123 to slide along the axial direction of the guide shaft 124 . When the strength training machine is in the unfolded state, the first end of the sleeve 123 is in contact with the support surface (such as the ground) of the strength training machine, and the magnetic element 121 drives the sleeve 123 to slide along the axial direction of the guide shaft 124, so that the sleeve 123 abuts against the buffer member 126 and presses the buffer member 126 to make the sleeve 123 flush with the bottom surface of the first bracket 17 to ensure that the bottom surface of the first bracket 17 is in contact with the support surface of the strength training machine.

Wherein, the buffer member 126 may be one of a foam pad, a rubber pad or a spring.

In another possible implementation manner, the second connection component 120 includes a buckle (not shown in the figure) and a card slot (not shown in the figure) matching the buckle, and one of the buckle and the card slot One is located at the bottom of the first bracket 17, and the other is located at the bottom of the second bracket 18. In the folded state, the buckle is engaged with the slot. The provision of the slot and the buckle facilitates connecting the first bracket 17 and the second bracket 18 in the folded state, and also facilitates opening the first bracket 17 and the second bracket 18 in the unfolded state, which is convenient to operate and saves costs.

Please continue to refer to FIG. 5 , FIG. 12 , FIG. 13 to FIG. 15 , the strength training machine provided by the embodiment of the present application further includes a push rod structure 8 , and the push rod structure 8 is located in the first bracket 17 and the second bracket 18 . The bottom of one, in the folded state, can push the other through the push rod structure 8 to separate the first bracket 17 and the second bracket 18 . At this time, grab the connecting handle 191 and slowly lower the first bracket 17 and the second bracket 18 until the first bracket 17 and the second bracket 18 are in contact with the supporting surface of the strength training machine, so as to level the first bracket 17 and the second bracket 18 The bracket 18, the limiting member 110 and the third connecting member 194 are in contact with the surface of the use side of the counterweight mechanism 22, so that the strength training machine can be deployed with one hand.

The structure and use state of the push rod structure 8 will be described below with the push rod structure 8 being located at the bottom of the first bracket 17 . It can be understood that the push rod structure 8 can also be located at the bottom of the second bracket 18 .

In specific implementation, the push rod structure 8 may include a drive assembly 81 , a swing rod 85 and a support base 86 , the drive assembly 81 and the support base 86 are connected to the first bracket 17 , the swing rod 85 is hinged with the support base 86 , and the drive assembly 81 is connected to the first bracket 17 . The swing rod 85 is connected, and the swing rod 85 is driven to rotate around the support base 86 , so that the swing rod 85 exerts a pushing force on the second bracket 18 , thereby separating the first bracket 17 and the second bracket 18 .

Wherein, in the folded state, the first end of the swing rod 85 can be in contact with the bottom of the second bracket 18, and when the drive assembly 81 drives the swing rod 85 to rotate around the support base 86, the swing rod 85 rotates toward the second bracket 18, A thrust is provided to the second bracket 18 to separate the first bracket 17 and the second bracket 18 so as to facilitate the deployment of the strength training machine.

In this application, the structure of the driving assembly 81 is not limited. For example, the driving component 81 can be a second motor, the motor shaft of the second motor is connected with the swing rod 85 , and the swing rod 85 is driven to rotate around the support base 86 by the second motor. When the driving assembly 81 is a motor, the support base 86 may not be provided, and the first bracket 17 of the second motor is connected. Wherein, the driving button of the second motor may be located at the second end of the first bracket 17 or on the side of the first bracket 17 , thereby facilitating the user to turn on and off the motor.

In some embodiments, the driving assembly 81 may include a pull rod 82 , a pull cable 83 and a fixed seat 84 , the fixed seat 84 is located at the second end of the first bracket 17 , the pull rod 82 is inserted on the fixed seat 84 , and the second end of the pull cable 83 One end is connected with the pull rod 82, and the second end of the pull rod 82 is connected with the second end of the swing rod 85. By applying a pulling force to the pull rod 82, the pull rod 82 moves relative to the fixed seat 84, and the pull rod 82 is driven around the support seat by the pull cable 83. 86 rotates, and the first end of the swing rod 85 rotates toward the second bracket 18 and provides thrust to the second bracket 18 . Wherein, the cable 83 is a steel wire rope, a steel hinge wire or a steel wire bundle.

In some embodiments, the support base 86 has a positioning groove 861 , the swing rod 85 is hinged in the positioning groove 861 , and the positioning groove 861 is configured to limit the rotation angle of the swing rod 85 . Specifically, the notch of the positioning groove 861 faces the second end of the first bracket 17, the swing rod 85 can be V-shaped, the swing rod 85 is located in the positioning groove 861, and the bending part of the swing rod 85 is hinged with the positioning groove 861, and the swing rod 85 is hinged with the positioning groove 861. The rod 85 rotates around the positioning groove 861 until it abuts against the bottom wall of the positioning groove 861 . At this time, the swing rod 85 cannot continue to rotate, thereby limiting the rotation angle of the swing rod 85 . In this embodiment, the rotation angle of the swing rod 85 is not limited, as long as the swing rod 85 can separate the first bracket 17 and the second bracket 18.

In the present application, the second connecting assembly 120 is configured to connect the first bracket 17 and the second bracket 18 , and the push rod structure 8 is configured to separate the first bracket 17 and the second bracket 18 . The second connecting assembly 120 and the push rod structure 8 may be disposed adjacent to each other, and thus, the push rod structure 8 facilitates the separation of the first bracket 17 and the second bracket 18 .

Optionally, in the strength training machine provided by the embodiment of the present application, the bottom and/or the side wall of the weight mechanism 22 has a sliding pad 223 or a second pulley 224 . The pulley 224 may be a universal wheel. By arranging the sliding pad 223 or the second pulley 224 at the bottom of the weight mechanism 22, during the unfolding or folding process of the strength training machine, the sliding pad 223 or the second pulley 224 plays an auxiliary role in movement, which is convenient for strength training. Machine unfolds and folds. The side wall of the counterweight mechanism 22 is provided with a sliding pad 223 or a second pulley 224. When the strength training machine is folded to an upright state, the sliding pad 223 or the second pulley 224 on the side wall of the counterweight mechanism 22 is in contact with the supporting surface of the strength training machine. Thereby, it is convenient to move the folded strength training machine.

Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, but not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: The technical solutions described in the foregoing embodiments can still be modified, or some or all of the technical features thereof can be equivalently replaced; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the technical solutions of the embodiments of the present application. Scope.

Industrial Applicability

As described above, the strength training machine provided by at least some of the embodiments of the present application has the following beneficial effects: the strength training machine includes a bracket and a tension component arranged on the bracket, and the tension component includes a tension band component, a counterweight mechanism and a guide component, and the counterweight The mechanism includes a resistance adjustment assembly, a driving wheel and a guide assembly. The tension band assembly includes a tension band and two handle assemblies. The first end of the tension band is connected to the fixed end of the bracket through the guide of the guide assembly, and the second end of the tension band is connected. To the driving wheel, the driving wheel rotates under the driving of the resistance adjusting assembly, the handle assembly is arranged between the two ends of the tension belt; the guiding assembly includes two guiding units, the guiding unit is arranged between the driving wheel and the fixed end, and the tension belt passes Provided in the guide unit, the two handle assemblies are respectively connected to the belt segments of the tension belt that pass through different guide units, and the handle assemblies are used for the athletes to apply tension. Therefore, the strength training machine provided by the present application has high applicability.

Claims

A strength training machine includes a body, the body includes a bracket and a tension component arranged on the bracket, the tension component includes a tension band component and a counterweight mechanism, the counterweight mechanism includes a resistance adjustment component, a driving wheel and a guide The tension band assembly includes a tension band and two handle assemblies, the first end of the tension band is connected to the fixed end of the bracket through the guide of the guide assembly, and the second end of the tension band is connected To the driving wheel, the driving wheel rotates under the driving of the resistance adjustment assembly, so that the tension belt is wound on the wheel surface of the driving wheel and generates a counterweight pulling force, and the handle assembly is arranged on the between the two ends of the tension band;

The guide assembly includes two guide units, the guide units are arranged between the driving wheel and the fixed end, the tension belt is passed through the guide units, and the two handle assemblies are respectively connected correspondingly On the belt segments of the tension belt that are passed through different guide units, the handle assembly is used for the sportsperson to apply tension.
The strength training machine according to claim 1, wherein the handle assembly comprises a handle, a connecting bracket and a first pulley, the tension band is wound around the first pulley, and one end of the connecting bracket is connected to the first pulley. On the first pulley, the other end of the connecting bracket is connected to the handle, and a through hole for the tension band to pass through is formed between one end of the connecting bracket and the other end of the connecting bracket. At least part of the first pulley is located in the through hole.
The strength training machine of claim 2, wherein the two guide units include a first guide unit and a second guide unit, the first guide unit being located at a distance of the second guide unit away from the driving wheel side.
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, and the first base is A first cavity through which the tension band passes is opened on the upper part, and the guide pulley is installed in the first cavity to limit the extension direction of the tension band.
The strength training machine according to claim 4, wherein the plurality of guide pulleys in the first guide unit comprises a first guide pulley and a second guide pulley arranged at intervals, and the first guide pulley and the first guide pulley Both guide pulleys are located on the side of the bracket away from the handle assembly; the tension belt passes over the first guide pulley, the pull handle assembly and the second guide pulley in sequence; the pull handle assembly is used for The counterweight moves toward or away from the bracket under the action of the pulling force.
The strength training machine according to claim 5, wherein a stop notch is provided on the bracket, and the stop notch is used for abutting with the handle assembly, so as to restrict the handle assembly from moving toward a position close to the bracket. The maximum travel of the direction movement.
The strength training machine according to claim 3, wherein the second guide unit comprises a support frame and a steering member, the steering member comprises a second base, a third guide pulley, a turning member and a fourth guide pulley, the The second base is connected to the bracket, the second base is provided with a second cavity for the tension belt to pass through, and the third guide pulley is installed in the second cavity; The steering member is installed on the support frame, the fourth guide pulley is installed on the steering member, and the steering member can rotate horizontally relative to the support frame to make the fourth guide pulley turn 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.
The strength training machine according to claim 7, wherein the second guide unit further comprises a stopper, the stopper is provided on the turning member, and the stopper and the fourth guide There is a gap between the pulleys, the width of the gap is smaller than the width of the handle assembly, and at least part of the handle assembly can be located in the gap to limit the maximum travel of the handle assembly moving toward the direction close to the bracket .
The strength training machine according to claim 8, wherein the stopper is a rod-shaped member, and the extension direction of the rod-shaped member is consistent with the axial direction of the fourth guide pulley, and the handle assembly can resist connected to the fourth guide pulley and the outer peripheral surface of the rod-shaped member.
The strength training machine according to claim 7, wherein the steering member and the support frame are provided with avoidance holes, and the tension belt is passed through the avoidance holes.
8. The strength training machine of claim 7, wherein the support frame includes a support plate, and the steering member is located on the support plate and is rotatable relative to the support plate.
The strength training machine according to any one of claims 1-11, wherein the resistance adjustment assembly comprises a controller, a driver and a first motor, the controller is electrically connected with the driver, and the driver is connected with the first motor. A motor is electrically connected, the driving wheel is sleeved on the motor shaft of the first motor, the controller is configured to control the working state of the driver, the driver is configured to drive the first motor to rotate, so The first motor is configured to drive the drive wheel to rotate.
The strength training machine according to any one of claims 1-11, wherein the bracket comprises a first bracket, a second bracket and a first connecting component, the first connecting component includes a connecting handle, the first bracket The first end of the first bracket and the first end of the second bracket are provided with a counterweight mechanism, the second end of the first bracket and the second end of the second bracket are hinged through the connecting handle, and the first The bracket and the second bracket can rotate relative to each other around the hinge point to be in a folded state or an unfolded state, wherein in the folded state, the two counterweight mechanisms are abutted; in the unfolded state, the two The counterweight mechanisms are located in the same plane.
The strength training machine of claim 13, wherein the second end of the first bracket has at least two first connectors, and the second end of the second bracket has at least two second connectors, so The connection handle includes a handle body, and both ends of the handle body are provided with connection parts, and each connection part is hinged with the opposite first connection piece and the second connection piece respectively, and the opposite first connection piece is hinged. There is a gap between the piece and the second connecting piece.
The strength training machine of claim 14, wherein the first connecting assembly further comprises two third connecting members, the third connecting members are connected with the first connecting member and the second connecting member located on the outer side Pieces are hinged.
The strength training machine of claim 13, further comprising a second connecting assembly configured to connect the first bracket and the second bracket in the folded state.
The strength training machine according to claim 16, wherein the second connection component comprises a magnetic element and a magnetic adsorption piece, and one of the magnetic element and the magnetic adsorption piece is located at the bottom of the first bracket, The other is located at the bottom of the second bracket, and in the folded state, the magnetic element is attracted to the magnetic adsorption member; or,

The second connection component includes a buckle and a card slot matched with the buckle, one of the buckle and the card slot is located at the bottom of the first bracket, and the other is located on the first bracket. At the bottom of the two brackets, in the folded state, the buckle is engaged with the slot.
The strength training machine of claim 13, further comprising a push bar structure located at the bottom of one of the first bracket and the second bracket, the push bar structure being configured to A thrust is applied to the other to separate the first and second brackets.
The strength training machine of claim 18, wherein the push rod structure includes a drive assembly, a swing rod and a support base, the drive assembly and the support base being connected to the first bracket or the second bracket , the swing rod is hinged with the support seat, the drive assembly is connected with the swing rod, and drives the swing rod to rotate around the support seat, so that the swing rod moves toward the first bracket or the The second bracket applies the thrust.
The strength training machine according to claim 19, wherein the driving component is a second motor, and the output shaft of the second motor is connected with the swing rod; or,

The drive assembly includes a pull rod, a pull cable and a fixed seat, the fixed seat is connected with the first bracket, the pull rod is inserted on the fixed seat, and the pull rod and the swing rod pass through the pull cable connect.
The strength training machine according to claim 19, wherein a positioning groove is formed on the support base, the swing rod is hinged in the positioning groove, and the positioning groove is configured to limit the rotation angle of the swing rod.
The strength training machine according to any one of claims 1 to 11, wherein the bottom and/or side walls of the weight mechanism have sliding pads or second pulleys.
The strength training machine according to any one of claims 1-11, wherein the bracket has a support surface for supporting the athlete, and the body comprises: two tension components, and the two tension components are arranged on opposite sides of the support surface along the horizontal direction.
The strength training machine according to any one of claims 1-11, wherein the bottom of the bracket is provided with a support pad, and the bottom of the support pad has a suction cup.