CN111991750B - Strength training machine - Google Patents

Abstract

The invention provides a strength training machine which comprises a body, wherein the body comprises a first tension belt and a counterweight mechanism, the counterweight mechanism comprises a resistance adjusting component, a driving part, a belt wheel component and a first supporting seat, the resistance adjusting component is electrically connected with the driving part, the resistance adjusting component drives the driving part to rotate, and the rotating speed of the driving part can be adjusted; the first end of first pulling force area is connected with the band pulley subassembly, and first pulling force area is convoluteed on the band pulley subassembly, and the band pulley subassembly rotates with first supporting seat to be connected, and the driving piece is connected with the band pulley subassembly to drive the rotation of band pulley subassembly. The strength training machine provided by the invention is convenient for adjusting the balance weight, and the balance weight is controlled more accurately.

Description

strength training machine

technical field

The invention 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. Therefore, various fitness equipment has also begun to spread into our lives.

In the existing strength training equipment, resistance is usually generated by a weight counterweight, and is transmitted to the relevant parts of the human body through different mechanisms to achieve the purpose of strength training.

However, the weight of the weight is a fixed value, which leads to inconvenient adjustment of the counterweight and imprecise control of the counterweight.

SUMMARY OF THE INVENTION

The invention provides a strength training machine, which is convenient to adjust the counterweight, and the counterweight control is relatively accurate.

The invention provides a strength training machine, comprising a main body, the main body comprising a first tension belt and a counterweight mechanism, the counterweight mechanism comprising a resistance adjustment assembly, a driving part, a pulley assembly and a first support seat, and the resistance adjustment assembly is electrically connected with the driving part, The resistance adjusting component drives the driving member to rotate, and can adjust the rotational speed of the driving member;

The first end of the first tension belt is connected with the pulley assembly, and the first tension belt is wound on the pulley assembly, the pulley assembly is rotatably connected with the first support seat, and the driving member is connected with the pulley assembly to drive the pulley Components turn.

Optionally, in the strength training machine provided by the embodiment of the present invention, the resistance adjustment component includes a controller and a driver, the driver and the controller are both electrically connected to the driver, and the driver adjusts the output torque of the driver according to the control signal of the controller.

Optionally, in the strength training machine provided by the embodiment of the present invention, the counterweight mechanism further includes a housing, the resistance adjustment component, the driving member, the pulley component and the first support seat are located in the housing, and the housing has an access hole, and the first The tension band protrudes out of the shell through the access hole;

The resistance adjusting assembly and the driving member are connected with the first support base, the driver has at least two driving parts, and the driving parts are located outside the casing.

Optionally, in the strength training machine provided by the embodiment of the present invention, the counterweight mechanism further includes a sensor, the sensor is electrically connected to the controller, the sensor is used to detect the rotational speed of the driving member, and the controller is used when the rotational speed of the driving member is greater than or equal to a preset value. , control the drive to stop running; and/or,

The first support base is provided with an installation slot, the installation slot is provided with a first installation hole and a second installation hole coaxially arranged with the first installation hole, the first installation hole and the second installation hole are respectively located on opposite sides of the installation slot, and the drive The drive part is connected with the outer side wall of the installation groove, the driving part has a drive shaft, the drive shaft faces the first installation hole, the pulley assembly is located in the installation groove, and the pulley assembly is connected with the drive shaft, and the second installation hole is provided with a support shaft , the support shaft is plugged with the pulley assembly.

Optionally, in the strength training machine provided by the embodiment of the present invention, the pulley assembly includes a pulley and an output pulley that is coaxially connected to the pulley, the first tension belt is wound on the pulley, and the output pulley has a connecting portion, the belt The wheel is sleeved on the connecting part, and the connecting part is inserted into the drive shaft.

Optionally, the strength training machine provided by the embodiment of the present invention further includes a base, the number of bodies is at least two, each body is located on the base, and the at least two bodies are arranged opposite to each other.

Optionally, in the strength training machine provided by the embodiment of the present invention, the body further includes an adjustment mechanism, and the second end of the first tension belt is wound around the adjustment mechanism, and the adjustment mechanism is used to adjust the second end of the first tension belt and the matching mechanism. The relative position of the heavy mechanism.

Optionally, in the strength training machine provided by the embodiment of the present invention, the adjustment mechanism includes a second support base, an angle adjustment assembly and a length-adjustable support assembly, the second support base is connected to the base, and the angle adjustment assembly is hinged to the second support base. ;

The angle adjustment component is connected with the support component to adjust the included angle between the support component and the base;

There are at least two pulleys on the support assembly, the pulleys are arranged along the length direction of the support assembly, the first end of the support assembly is hinged with the second support seat, the second end of the support assembly is a free end, and the first tension belt is wound around each pulley. superior.

Optionally, in the strength training machine provided by the embodiment of the present invention, the angle adjustment assembly includes a first locking member, a first adjusting member and a second adjusting member, and one of the first adjusting member and the second adjusting member is sleeved on the other. In one, and relatively movable, the first locking member is used to fix the relative positions of the first adjusting member and the second adjusting member;

The support assembly includes a second locking member, a first supporting member and a second supporting member, one of the first supporting member and the second supporting member is sleeved in the other and can be moved relatively, and the second locking member is used for fixing the relative positions of the first support and the second support;

The first adjustment piece is hinged with the second support base, the first support piece is hinged with the second support base, and the second adjustment piece is hinged with the first support piece.

Optionally, in the strength training machine provided by the embodiment of the present invention, the body further includes a second tension band, the second tension band is located outside the housing, and the second tension band is located between the housing and the adjusting mechanism, and the second tension band is located on the second tension band. One end is sleeved on the first tension belt.

The strength training machine provided by the present invention is transmitted to the first tension belt through the pulley assembly connected with the driving member, and the torque output by the rotation of the driving member is converted into the linear tension of the first tension belt, thus, the equivalent force of the counterweight mechanism Counterweight load for linear motion movement in a training machine. By arranging the resistance adjusting assembly, the rotational speed of the driving member is adjusted by the resistance adjusting assembly to adjust the output torque of the driving member, thereby facilitating the adjustment of the counterweight and the precise adjustment of the configuration.

Description of drawings

In order to illustrate the embodiments of the present invention or the technical solutions in the prior art more clearly, the following briefly introduces the accompanying drawings that need to be 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 invention. For those of ordinary skill in the art, other drawings can also be obtained according to these drawings without creative efforts.

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

2 is a schematic structural diagram of a body in a strength training machine provided by an embodiment of the present invention;

Fig. 3 is the exploded view of Fig. 2;

4 is a schematic structural diagram of a resistance adjustment component in a strength training machine provided by an embodiment of the present invention;

Fig. 5 is the partial exploded view of Fig. 1;

Fig. 6 is a partial enlarged view of Fig. 1;

Figures 7a to 7e are diagrams of the use states of the strength training machine provided by the embodiment of the present invention.

Description of reference numbers:

100 - the first tension belt;

200-weight mechanism; 210-resistance adjustment assembly; 211-controller; 212-driver; 2121-drive part; 220-drive part; 221-drive shaft; 230-pulley assembly; 231-pulley; 1 base body; 2312-stop ring; 232-output wheel; 2321-connecting part; 2322-second base body; 240-first support seat; 241-installation plate; 242-installation groove; 2421-first installation hole; 2422- 243-base plate; 244-side plate; 250-shell; 251-access hole; 260-sensor; 270-support shaft;

300-base; 310-foot pad;

400-adjustment mechanism; 410-second support seat; 411-base; 4111-first ear seat; 4112-second ear seat; 412-tube body; 420-angle adjustment assembly; 421-first locking piece; 422 - first adjustment piece; 4221 - second through hole; 423 - second adjustment piece; 4231 - first through hole; 430 - support assembly; 431 - pulley; 432 - second locking piece; 433 - first support piece; 4331-fourth through hole; 4332-third ear seat; 434-second support; 4341-third through hole; 4342-fourth ear seat; 4343-fixing rod;

500-Second tension belt;

600 - handle;

700 - hook;

800-transfer tension belt;

900-weight bar; 910-fixed sleeve;

1000 - bench press chair;

1100 - Handle.

Detailed ways

In order to make the objectives, 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 accompanying drawings in the preferred embodiments of the present invention. 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 invention. The embodiments described below with reference to the accompanying drawings are exemplary, and are intended to explain the present invention and should not be construed as limiting the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention. The embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

In the description of the present invention, it should be noted that, unless otherwise expressly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense. The medium is indirectly connected, which can be the internal communication of two elements or the interaction relationship between the two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "vertical", "horizontal", "top", "bottom", "inner", The orientation or positional relationship indicated by "outside" is based on the orientation or positional relationship shown in the accompanying drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, It is constructed and operated in a particular orientation and is therefore not to be construed as a limitation of the present invention.

The terms "first", "second" and "third" (if present) in the description and claims of the present invention and the above-mentioned drawings are used to distinguish similar objects and are not necessarily used to describe a particular order or sequence. It is to be understood that the data so used are interchangeable under appropriate circumstances such that the embodiments of the invention described herein can, for example, be practiced in sequences other than those illustrated or described herein.

Furthermore, the terms "comprising" and "having" and any variations thereof, are intended to cover non-exclusive inclusion, for example, a process, method, system, product or maintenance tool comprising a series of steps or units not necessarily limited to those expressly listed but may include other steps or units not expressly listed or inherent to these processes, methods, products or maintenance tools.

In the existing strength training equipment, resistance is usually generated by a weight counterweight, and is transmitted to the relevant parts of the human body through different mechanisms to achieve the purpose of strength training. However, the adjustment of the weight of the strength training equipment is inconvenient, and the control of the weight is imprecise.

Based on this, the present invention provides a strength training machine, which is convenient to adjust the weight, and the weight control is relatively accurate.

Hereinafter, the present invention will be described in detail through specific examples.

Fig. 1 is a schematic structural diagram of a strength training machine provided by an embodiment of the present invention; Fig. 2 is a schematic structural diagram of a body in a strength training machine provided by an embodiment of the present invention; Fig. 3 is an exploded view of Fig. 2; Fig. 4 is an embodiment of the present invention A schematic diagram of the structure of the resistance adjustment assembly in the strength training machine is provided. 1 to 4 , the strength training machine provided by the embodiment of the present invention includes a body, the body includes a first tension belt 100 and a weight mechanism 200, and the weight mechanism 200 includes a resistance adjustment assembly 210, a driving member 220, a belt The wheel assembly 230 and the first support base 240 are electrically connected to the resistance adjusting assembly 210 and the driving member 220 .

The first end of the first tension belt 100 is connected with the pulley assembly 230, and the first tension belt 100 is wound on the pulley assembly 230, the pulley assembly 230 is rotatably connected with the first support base 240, and the driving member 220 is connected with the pulley Assembly 230 is connected to drive pulley assembly 230 in rotation.

Specifically, the first support base 240 is used to support the pulley assembly 230 . The pulley assembly 230 is connected with the first support base 240 through a rotating shaft, so that the pulley assembly 230 can be smoothly rotated relative to the first support base 240 . In this embodiment, the pulley assembly 230 is driven to rotate by the driving member 220 . The driving member 220 may be a motor, the output shaft of the motor is connected with the pulley assembly 230, and the pulley assembly 230 is driven to rotate by the output shaft of the motor. Wherein, the driving member 220 may also be a rotary cylinder or other components known to those skilled in the art that can drive the pulley assembly 230 to rotate, which is not limited in this embodiment.

During specific implementation, the driving member 220 may be fixed on the first support base 240 , for example, the driving member 220 may be fixed on the first support base 240 by screws. Alternatively, the driving member 220 is fixed on other components of the body, as long as the driving member 220 can be fixed, so as to reduce the vibration generated by the driving member 220 during operation. In order to further reduce the vibration generated by the driving member 220 during operation, in some embodiments, an anti-vibration member, such as a rubber pad, is provided on the driving member 220, and a rubber pad is added between the driving member 220 and the first support base 240 to The vibration generated by the driving member 220 during operation is prevented, so as to prevent the vibration from affecting the pulley assembly 230 .

In the present invention, the pulley assembly 230 can be used as a mounting seat for the first tension belt 100 to provide support for the first tension belt 100 . Specifically, the first end of the first tension belt 100 can be connected to the pulley assembly 230 through at least two screws, so that the first tension belt 100 can be stably connected to the pulley assembly 230, and then the first tension belt 100 is wound around the pulley assembly 230. The pulley assembly 230 is wound on the pulley assembly 230 in the circumferential direction. Similar to the structure of the tape, the pulley assembly 230 is equivalent to the support of the tape, and the first tension belt 100 is equivalent to the tape. The first tension band 100 has a certain width. Compared with the tension rope of the strength training machine in the prior art, the force of the first tension band 100 is relatively uniform, which increases the life of the first tension band 100 and saves costs.

In order to make the counterweight more accurate, in this embodiment, a resistance adjustment assembly 210 is provided, and the resistance adjustment assembly 210 is electrically connected to the driving member 220 , and the resistance adjustment assembly 210 drives the driving member 220 to rotate and adjusts the output torque of the driving member 220 . In a specific implementation, the resistance adjusting assembly 210 drives the driving member 220 to rotate to provide an equivalent simulated torque, and the resistance adjusting assembly 210 adjusts the rotational speed of the driving member 220 to adjust the output torque of the driving member 220 . Wherein, under the condition that the power of the driving member 220 is the same, the rotational speed of the driving member 220 is inversely proportional to the output torque of the driving member 220 . That is, the larger the output torque of the driving member 220 is, the smaller the rotational speed of the driving member 220 is; or, the smaller the output torque of the driving member 220 is, the higher the rotational speed of the driving member 220 is.

In the present invention, the pulley assembly 230 connected with the driving member 220 is transmitted to the first tension belt 100, and the torque output by the rotation of the driving member 220 is converted into the linear tension of the first tension belt 100, so that the equivalent force of the counterweight mechanism 200 is obtained. Counterweight load for linear motion movement in a training machine.

The strength training machine provided by the embodiment of the present invention is transmitted to the first tension belt 100 through the pulley assembly 230 connected with the driving member 220, and the torque output by the rotation of the driving member 220 is converted into the linear tension of the first tension belt 100, thereby , the counterweight load of the linear motion movement in the equivalent strength training machine of the counterweight mechanism 200 . By setting the resistance adjusting assembly 210, the rotational speed of the driving member 220 is adjusted by the resistance adjusting assembly 210, so as to adjust the output torque of the driving member 220, thereby facilitating the adjustment of the counterweight and adjusting the configuration accurately.

In specific implementation, the resistance adjusting assembly 210 may include a controller 211 and a driver 212, the driver 220 and the controller 211 are both electrically connected to the driver 212, and the driver 212 adjusts the output torque of the driver 220 according to the control signal of the controller 211.

Specifically, the driver 212 may have a plurality of buttons representing different functions. For example, start button, pause button, torque increase button, torque decrease button, etc. The user provides control signals to the driver 212 by pressing different buttons, and the driver 212 controls the driver 220 to start working, suspend working, decrease the rotational speed, increase the rotational speed, etc. according to the control signal. It can be adjusted according to the different needs of users, which is convenient for the adjustment of the counterweight. In order to precisely adjust the weight, each time the torque increase button or the torque decrease button is pressed, the rotational speed of the driving member 220 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 100 revolutions per minute, that is, the number of rotations of the driving member 220 per minute is decreased by 100 times or increased by 100 times.

In order to protect the counterweight mechanism 200 , avoid bumping against the components inside the counterweight mechanism 200 , or foreign objects entering the counterweight mechanism 200 , thereby affecting the normal operation of the counterweight mechanism 200 . In some embodiments, the counterweight mechanism 200 further includes a casing 250, the resistance adjusting assembly 210, the driving member 220, the pulley assembly 230 and the first support seat 240 are located in the casing 250, and the casing 250 has an access hole 251, The first tension band 100 extends out of the casing 250 through the access hole 251 .

The resistance adjusting assembly 210 and the driving member 220 are connected to the first support base 240 . The driver 212 has at least two driving parts 2121 , and the driving parts 2121 are located outside the casing 250 . Wherein, in order to facilitate fixing the resistance adjusting assembly 210 , a mounting plate 241 is provided on the first support base 240 , and the resistance adjusting assembly 210 is located on the mounting plate 241 . The driving part 2121 can be the torque increasing button, the torque decreasing button, etc. in the above-mentioned embodiment, and the driving part 2121 is located outside the casing 250, which is convenient for the user to operate the adjustment button.

In the strength training machine provided by the embodiment of the present invention, the housing 250 is provided to prevent the resistance adjusting assembly 210 , the driving member 220 , the pulley assembly 230 and the first support seat 240 in the housing 250 from being bumped and preventing foreign objects from entering the housing. within 250. At the same time, the components in the counterweight mechanism 200 are centrally arranged, and it is convenient to disassemble and move the counterweight mechanism 200 .

In order to prevent the rotational speed of the driving member 220 from being too high, thereby causing injury to the user. In some embodiments, the counterweight mechanism 200 further includes a sensor 260, the sensor 260 is electrically connected to the controller 211, the sensor 260 is used to detect the rotational speed of the driving member 220, and the controller 211 is used when the rotational speed of the driving member 220 is greater than or equal to a preset value , the control driver 220 stops running. The preset value is set according to experience, which is not limited in this embodiment.

Specifically, the sensor 260 may be located at the rear of the driver 220 , on the side, or attached to the output shaft of the driver 220 . In order to facilitate the sensor 260 to detect the rotational speed of the driving member 220 , the detection part of the sensor 260 may be located at the output shaft of the driving member 220 and attached thereto. The sensor 260 may be fixed on the first support base 240, for example, connected to the first support base 240 by screws.

In order to facilitate the installation of the pulley assembly 230 and the drive member 220 . In a specific implementation, the first support base 240 has an installation groove 242, the installation groove 242 has a first installation hole 2421 and a second installation hole 2422 coaxial with the first installation hole 2421, the first installation hole 2421 and the first installation hole 2421. The two mounting holes 2422 are respectively located on opposite sides of the mounting groove 242. The driving member 220 is connected to the outer side wall of the mounting groove 242. The driving member 220 has a driving shaft 221. The driving shaft 221 faces the first mounting hole 2421. The pulley assembly 230 is located in the mounting groove. 242 , and the pulley assembly 230 is connected with the drive shaft 221 , a support shaft 270 is penetrated through the second installation hole 2422 , and the support shaft 270 is inserted into the pulley assembly 230 .

Specifically, the first support base 240 may include a bottom plate 243 and two side plates 244 connected to opposite sides of the bottom plate 243 . Wherein, the mounting plate 241 and the driving member 220 are respectively located on the outer side walls of different side plates 244 . The first mounting hole 2421 is located on one side plate 244, the second mounting hole 2422 is located on the other side plate 244, the axes of the first mounting hole 2421 and the second mounting hole 2422 are on the same straight line, and the first mounting hole 2421 and The axis of the second mounting hole 2422 is parallel to the bottom plate 243 .

In a specific implementation, the driving shaft 221 of the driving member 220 faces the first installation hole 2421, and the driving member 220 and the outer side wall of the side plate 244 are connected by at least two screws to increase the stability of the connection. Specifically, one of the driving member 220 and the side plate 244 has a screw column, and the other has a screw hole, and the screw passes through the screw column and the screw hole to connect the driving member 220 to the side plate 244 . Wherein, between the driving member 220 and the outer side wall of the side plate 244, a vibration damping member for damping vibration, such as a rubber pad, may be provided.

The pulley assembly 230 is located between the two side plates 244, the support shaft 270 is coaxially inserted into one side of the pulley assembly 230 through the second mounting hole 2422, and the other side of the pulley assembly 230 is connected with the drive shaft 221.

In some embodiments, the pulley assembly 230 includes a pulley 231 and an output pulley 232 coaxially connected to the pulley 231. The first tension belt 100 is wound on the pulley 231, and the output pulley 232 has a connecting portion 2321. The wheel 231 is sleeved on the connecting portion 2321 , and the connecting portion 2321 is inserted into the driving shaft 221 .

Specifically, the pulley 231 may include a cylindrical first base body 2311 and baffle rings 2312 connected on both sides of the first base body 2311 , the first tension belt 100 is wound on the first base body 2311 , and the first tension belt 100 is The two sides are respectively in contact with the inner side walls of the blocking ring 2312 to prevent the first tension belt 100 from moving in the pulley 231 . The output wheel 232 includes a second base body 2322 and a connecting portion 2321 coaxially connected to the second base body 2322 . Wherein, the second base body 2322 and the retaining ring 2312 opposite to the second base body 2322 may be connected by means of threads, snap connections, etc., so as to fix the pulley 231 and the output pulley 232 .

Wherein, one of the connecting part 2321 and the driving shaft 221 has a spline shaft, and the other has a spline hole matching the spline shaft, and the spline shaft is inserted into the spline hole to connect the driving shaft 221 and the connecting part 2321 . Thereby, relative sliding of the drive shaft 221 and the connecting portion 2321 is avoided. Wherein, when the drive shaft 221 has a spline hole, a sleeve can be sleeved on the drive shaft 221, and a spline hole can be arranged on the inner wall of the sleeve. the contact area between the spline hole and the spline shaft.

The existing strength training equipment can only correspond to the exercise requirements of the user's body part. Different types of strength training equipment are required to meet the exercise needs of multiple parts of the body. Home strength training equipment is relatively simple, and you need to go to a professional gym. However, the present invention can meet the exercise needs of different parts of the user.

Below, with reference to specific embodiments, the present invention will be described to meet the exercise needs of different parts of the user.

FIG. 5 is a partial exploded view of FIG. 1 ; FIG. 6 is a partial enlarged view of FIG. 1 . Referring to FIGS. 1 , 5 and 6 , the strength training machine provided by the embodiment of the present invention further includes a base 300 , the number of bodies is at least two, each body is located on the base 300 , and at least two strength training structures are arranged opposite to each other. . By setting up multiple bodies, it can be used by multiple users at the same time. Wherein, a plurality of foot pads 310 can also be arranged on the base, and the foot pads 310 are provided with suction cups (not shown in the figure), and the strength training machine provided by the embodiment of the present invention is fixed on the ground through the suction cups, so as to prevent the base 300 from being in use. Movement occurs to enhance the user experience.

Further, the body further includes an adjustment mechanism 400 , the second end of the first tension belt 100 is wound around the adjustment mechanism 400 , and the adjustment mechanism 400 is used to adjust the relative position of the second end of the first tension belt 100 and the counterweight mechanism 200 . By adjusting the relative positions of the second end of the first tension band 100 and the counterweight mechanism 200, the user's fitness requirements for different parts of the body can be met.

Specifically, the adjustment mechanism 400 includes a second support base 410, an angle adjustment assembly 420, and a length-adjustable support assembly 430. The second support base 410 is connected to the base 300, and the angle adjustment assembly 420 is hinged to the second support base 410. The second support base 410 includes a base 411 and two pipe bodies 412 connected to opposite sides of the base 411 . The tubular body 412 can be used as a pedal for the user when using. The first end of the base 411 may be opposite to the first tension band 100, the first end of the base 411 may have a first ear seat 4111, the adjustment mechanism 400 is hinged with the first ear seat 4111, and the first end of the base 411 may There is a second ear seat 4112, and the angle adjustment assembly 420 is hinged with the second ear seat 4112.

The angle adjustment component 420 is connected with the support component 430 to adjust the included angle between the support component 430 and the base 300.

The support assembly 430 has at least two pulleys 431, the pulleys 431 are arranged along the length direction of the support assembly 430, the first end of the support assembly 430 is hinged with the second support seat 410, the second end of the support assembly 430 is a free end, the first The tension belt 100 is wound around each pulley 431 . The pulley 431 may be located in the support assembly 430 , on the side of the support assembly 430 , or on the side facing the base 300 , or on the side away from the base 300 . During specific implementation, the position of the pulley 431 is set according to the required direction of the first tension belt 100 , which is not limited in this embodiment.

Wherein, the angle adjustment assembly 420 includes a first locking member 421, a first adjusting member 422 and a second adjusting member 423, one of the first adjusting member 422 and the second adjusting member 423 is sleeved in the other, and can be For relative movement, the first locking member 421 is used to fix the relative positions of the first adjusting member 422 and the second adjusting member 423 .

The supporting assembly 430 includes a second locking member 432, a first supporting member 433 and a second supporting member 434, one of the first supporting member 433 and the second supporting member 434 is sleeved in the other and can be moved relatively. The second locking member 432 is used to fix the relative positions of the first supporting member 433 and the second supporting member 434 .

The first adjustment member 422 is hinged with the second support base 410 , the first support member 433 is hinged with the second support base 410 , and the second adjustment member 423 is hinged with the first support member 433 .

In the drawings of this embodiment, the second adjusting member 423 is sleeved in the first adjusting member 422, the second supporting member 434 is sleeved in the first supporting member 433, the first adjusting member 422, the second adjusting member 423 The first support member 433 and the second support member 434 may be square tubes, and the first locking member 421 and the second locking member 432 may be bolts.

Wherein, a plurality of first through holes 4231 are evenly spaced on the second adjustment member 423 , and the first adjustment member 422 has a second through hole 4221 . The second adjusting member 423 moves relative to the first adjusting member 422 , the support assembly 430 rotates around the second support base 410 , the first locking member 421 penetrates into the second through hole 4221 and is connected to the first through hole 4231 selectively. The angle between the support assembly 430 and the base 300 is fixed. Wherein, a second through hole 4221 is provided on the first adjusting member 422 to ensure the strength of the first adjusting member 422 .

A plurality of third through holes 4341 are evenly spaced on the second support member 434 , and a fourth through hole 4331 is formed on the first support member 433 . The second supporting member 434 moves relative to the first supporting member 433, the second locking member 432 penetrates into the fourth through hole 4331, and is connected to the third through hole 4341 to fix the length of the supporting member 430 and adjust the first through hole 4331. The position between the second end of the tension band 100 and the counterweight mechanism 200 is such that the second end of the first tension band 100 is close to the counterweight mechanism 200 or away from the counterweight mechanism 200 . Wherein, a fourth through hole 4331 is provided on the first support member 433 to ensure the strength of the first support member 433 .

The first adjustment member 422 is hinged with the second ear seat 4112 of the second support seat 410 , the first support member 433 has a third ear seat 4332 , the second adjustment member 423 is hinged with the third ear seat 4332 , and the first support member 433 It is hinged with the first ear seat 4111 of the second support seat 410 .

Next, the position of the pulley 431 and the winding method of the first tension belt 100 will be described with reference to the support assembly 430 .

The number of the third ear seats 4332 can be multiple, and the third ear seats 4332 are arranged at intervals on the side of the first support member 433 facing the base 300 , and the fourth ear seat 4342 is provided on the side of the second support member 434 away from the base 300 , close to the base 300 . The third ear seat 4332 of the second support member 434 is used to connect the second adjustment member 423 , the fourth ear seat 4342 and the remaining third ear seat 4332 can be hinged to a pulley 431 , and the second support member 434 is located outside the first support member 433 A pulley 431 is set in one end of the . As shown in FIG. 5 , the first tension belt 100 goes around the pulleys 431 in turn, so as to extend from the side of the second support 434 away from the base 300 , so as to facilitate the user to pull the second end of the first tension belt 100 .

Wherein, in order to facilitate the user to perform the pulling operation, a handle 600 may be provided at the second end of the first tension band 100 . Optionally, a fixing rod 4343 may be provided on the fourth ear seat 4342, thus, during the movement of the first tension belt 100 to the counterweight mechanism 200, the handle 600 is stuck on the fixing rod 4343 to avoid the first tension belt 100 from being damaged. The second end enters the counterweight mechanism 200 .

In some embodiments, the body further includes a second tension band 500, the second tension band 500 is located outside the housing 250, and the second tension band 500 is located between the housing 250 and the adjustment mechanism 400, the second tension band 500 One end is sleeved on the first tension band 100 . Specifically, both the first end of the second tension band 500 and the second end of the second tension band 500 can be connected to the handle 600 . The handle 600 at one end is then wound around the pulley 431. Thus, the user can lift the second tension band 500 at the position of the second tension band 500 to perform strength training. The hook 700 can be connected to the handle 600 .

The strength training machine provided by the embodiment of the present invention has a compact structure and light weight, and can be used in homes and offices. The relative position of the second end of the first tension band 100 and the counterweight mechanism 200 is adjusted by the adjustment mechanism 400 . The strength training machine also includes corresponding auxiliary equipment such as handles, seats, and seat cushions to realize training functions such as low pull, bird, rowing, squat, bench press, forearm flexion and extension, etc., to meet the comprehensive training requirements of users.

Figures 7a to 7e are diagrams of the use states of the strength training machine provided by the embodiment of the present invention. The use method of the present invention will be described below in conjunction with the use state diagram.

Referring to FIG. 7a , the transfer tension belts 800 are hung on the hooks 700 of the first tension belts 100 (or the second tension belts 500 ) on both sides, and the load bar 900 is fitted above the transfer tension belts 800 . The user squats down, carries the middle of the weight-bearing bar 900 with his shoulders, stands up and squats down with the weight, and realizes squat exercise; or, the user stands in the middle of the weight-bearing bar 900, grasps the weight-bearing bar 900 with both hands, and pulls it upward to achieve a hard squat. Pulling exercise; or, the user can snatch the weight-bearing bar 900 with both hands to achieve shoulder pressing exercise.

Wherein, fixing sleeves 910 may be provided at both ends of the load-bearing rod 900 and locked by hand lock bolts to prevent the transfer tension belt 800 from slipping off the load-bearing rod 900 .

Referring to FIG. 7b, on the basis of the above-mentioned FIG. 7a, a bench press chair 1000 is set on the base 300, the user lies on the bench press chair 1000, grasps the weight-bearing bar 900 with both hands, and pushes the weight-bearing bar 900 upward to realize bench press exercise .

Referring to Fig. 7c, adjust the angle adjustment component 420 and the support component 430 on one side of the body to a suitable angle and length, hook two handles 1100 on the hook 700 at the second end of the first tension band 100, and attach the two handles 1100 to the base. Place the bench press 1000 or other seats on the 300. The user sits on the bench press chair 1000, faces the handle 1100, pushes both feet on the tube body 412, grabs a handle 1100 with both hands and pulls to the bench press chair 1000 to achieve low pull and rowing exercises.

Referring to Fig. 7d, adjust the angle adjustment component 420 and the support component 430 on one side of the body to a suitable angle and length, hook a handle 1100 on the hook 700 at the second end of the first tension band 100, and the user faces the handle 1100 stands, palms up and one hand grasps the handle 1100, and the forearm is raised to achieve forearm flexion and extension exercise; or, the user stands with the handle 1100 sideways, the palm faces down and one hand grasps the handle 1100, and the arm straightens and swings up and down to achieve a sideways body Pull up exercise.

Referring to Fig. 7e, adjust the angle adjustment assembly 420 and the support assembly 430 on the two sides of the body to a suitable angle and length, hook a handle 1100 on the hook 700 at the second end of the first tension band 100, and the user faces The handle 1100 is standing in the middle of the base 300, the two hands are respectively grasping the handle 1100 on both sides, and the arms are stretched and swayed in a cross direction, so as to realize the big bird chest clipping exercise.

Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, but not to limit them; although the present invention 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 invention. scope.

Claims (8)

1. A strength training machine, characterized in that it comprises a base and a body, the number of the bodies is at least two, each of the bodies is located on the base, and at least two of the bodies are arranged opposite each other, and the bodies include An adjustment mechanism, a first tension belt and a counterweight mechanism, the counterweight mechanism includes a resistance adjustment assembly, a driving member, a pulley assembly and a first support seat, the resistance adjustment assembly is electrically connected with the driving member, and the resistance The adjusting assembly drives the driving member to rotate, and can adjust the rotational speed of the driving member; The first end of the first tension belt is connected with the pulley assembly, and the first tension belt is wound on the pulley assembly, and the pulley assembly is rotatably connected with the first support base, the driving member is connected with the pulley assembly to drive the pulley assembly to rotate; The second end of the first tension band is wound around the adjustment mechanism, and the adjustment mechanism is used to adjust the relative position of the second end of the first tension band and the counterweight mechanism; The adjustment mechanism includes an angle adjustment component and a length-adjustable support component, and the angle adjustment component is connected with the support component to adjust the included angle between the support component and the base. 2. The strength training machine according to claim 1, wherein the resistance adjustment assembly comprises a controller and a driver, the driver and the controller are both electrically connected to the driver, and the driver is based on the The control signal of the controller is used to adjust the output torque of the driver. 3 . The strength training machine according to claim 2 , wherein the counterweight mechanism further comprises a housing, the resistance adjustment assembly, the driving member, the pulley assembly and the first support seat. 4 . is located in the casing, the casing is provided with an access hole, and the first tension band protrudes out of the casing through the access hole; The resistance adjusting assembly and the driving member are connected to the first support base, and the driver has at least two driving parts, and the driving parts are located outside the casing. 4. The strength training machine according to claim 3, wherein the counterweight mechanism further comprises a sensor, the sensor is electrically connected to the controller, and the sensor is used to detect the rotational speed of the driving member, The controller controls the driving member to stop running when the rotational speed of the driving member is greater than or equal to a preset value; and/or, The first support base is provided with an installation groove, and the installation groove is provided with a first installation hole and a second installation hole coaxially arranged with the first installation hole, the first installation hole and the second installation hole The holes are respectively located on the opposite sides of the installation groove, the driving member is connected with the outer side wall of the installation groove, the driving member has a driving shaft, the driving shaft faces the first installation hole, and the pulley assembly is located in the installation groove, the pulley assembly is connected with the drive shaft, a support shaft is penetrated in the second installation hole, and the support shaft is inserted into the pulley assembly. 5. The strength training machine according to claim 4, wherein the pulley assembly comprises a pulley and an output pulley coaxially connected with the pulley, and the first tension belt is wound around the belt On the wheel, the output wheel has a connecting portion, the pulley is sleeved on the connecting portion, and the connecting portion is inserted into the drive shaft. 6 . The strength training machine according to claim 5 , wherein the adjustment mechanism further comprises a second support base, the second support base is connected to the base, and the angle adjustment assembly is connected to the second support base. 7 . Support seat hinged; There are at least two pulleys on the support assembly, the pulleys are arranged along the length direction of the support assembly, the first end of the support assembly is hinged with the second support seat, and the second end of the support assembly is At the free end, the first tension belt is wound around each of the pulleys. 7. The strength training machine of claim 6, wherein the angle adjustment assembly comprises a first locking member, a first adjusting member and a second adjusting member, the first adjusting member and the second adjusting member One of the pieces is sleeved in the other and can be moved relatively, the first locking piece is used to fix the relative positions of the first adjusting piece and the second adjusting piece; The supporting assembly includes a second locking member, a first supporting member and a second supporting member, one of the first supporting member and the second supporting member is sleeved in the other and can move relatively, The second locking member is used to fix the relative positions of the first support member and the second support member; The first adjustment member is hinged with the second support base, the first support member is hinged with the second support base, and the second adjustment member is hinged with the first support member. 8 . The strength training machine according to claim 4 , wherein the body further comprises a second tension band, the second tension band is located outside the housing, and the second tension band is located in the housing. 9 . Between the body and the adjusting mechanism, the first end of the second tension band is sleeved on the first tension band.

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