CN114344804B - Weight lifting training device convenient to adjust - Google Patents

Abstract

The present invention is applicable to the technical field of sports equipment, and provides an easy-to-adjust weightlifting training device; comprising: a base, a plurality of guide support rods fixedly installed on the base; brackets respectively arranged on the plurality of guide support rods; Lever; the lever is erected on the bracket; both ends of the lever are provided with counterweights, and the counterweights are rotatably set on the lever; both ends of the lever are also provided with supporting bars, and the supporting bars A plurality of counterweights are arranged on the top, and the counterweights are rotatably installed on the support crossbar; multiple transfer mechanisms for driving the lever and the counterweight on the support crossbar to rotate are arranged on the base. The present invention facilitates mutual transfer of the balance weights between the lever and the support cross bar by setting the transfer mechanism, so that the automatic adjustment of the number of balance weights on the lever can be realized, and the use is convenient.

Description

An easily adjustable weight training device

technical field

The invention relates to the technical field of sports equipment, in particular to an easily adjustable weight training device.

Background technique

Sports equipment is a general term for various equipment, equipment and supplies used in competitive sports competitions and fitness exercises. Sports equipment and sports are interdependent and mutually promoted. The popularity of sports and the diversification of sports make the types and specifications of sports equipment Equally, the sports equipment excellent in quality, stable performance, safe and reliable can not only guarantee that athletics match is carried out just and under the fierce situation.

It is necessary to push dumbbells during the weightlifting training process, and the weight plate needs to be replaced during the training process to adapt to different training intensities. However, the existing technology usually uses manual replacement, which is troublesome and labor-intensive. In order to solve this problem The problem now proposes a mobile device that is convenient for adjustment.

Contents of the invention

The object of the present invention is to provide an easily adjustable weight training device to solve the problems raised in the background art above.

To achieve the above object, the present invention provides the following technical solutions:

An easy-to-adjust weightlifting training device, comprising: a base, a plurality of guide support rods fixedly installed on the base; brackets respectively arranged on the plurality of guide support rods; a lever is provided; the lever is erected on the support; the lever Both ends are provided with counterweights, and the counterweights are rotatably set on the lever; both ends of the lever are also provided with supporting bars, and the supporting bars are provided with a plurality of counterweights. The balance weight is rotatably installed on the support cross bar; the base is provided with a plurality of transfer mechanisms for driving the lever and the balance weight on the support cross bar to rotate.

As a further solution of the present invention: the transfer mechanism includes a reciprocating drive frame set on the base, the outer array of the counterweight is provided with a plurality of slots in the second direction and a plurality of slots in the first direction, the second direction The slot and the first direction slot are used for inserting the elastic lock bar on the drive frame, and the elastic lock bar drives the counterweight to slide in different directions through the second direction slot and the first direction slot.

As a further solution of the present invention: the grooves in the first direction and the grooves in the second direction are arranged in opposite directions.

As a further solution of the present invention: the base is also provided with a reciprocating mechanism for driving the drive frame to reciprocate.

As a further solution of the present invention: the reciprocating mechanism includes a rotating shaft that is rotatably mounted on the base, a first drive disc and a second drive disc are fixedly sleeved on the rotation, and the drive frames at both ends are respectively connected by connecting slide bars. Slidingly connected in the reciprocating chute on the first drive disc and the second drive disc.

As a further solution of the present invention: the base is also provided with a driving motor, and the driving motor is connected to the rotating shaft through a gear. Specifically, the output end of the driving motor is provided with a second gear, and the second gear is connected to the first gear. A gear meshes, and the first gear is sheathed on the rotating shaft.

As a further solution of the present invention: the supporting cross bar and the lever are respectively provided with a second elastic cylinder and a first elastic cylinder, and the near ends of the lever and the supporting cross bar are both provided with a locking mechanism.

As a further solution of the present invention: the locking mechanism includes a locking bar elastically mounted on the lever, and the locking bar is arranged to leak out.

As a further solution of the present invention: the support cross bar is set up and down, and the support cross bar is set on the base through the lifting seat.

Compared with the prior art, the beneficial effect of the present invention is that the present invention facilitates the mutual transfer of the counterweights between the lever and the support cross bar by setting the transfer mechanism, so that the automatic adjustment of the number of counterweights on the lever can be realized. Make adjustments, easy to use.

Description of drawings

Fig. 1 is a schematic structural diagram of a weightlifting training device that is easy to adjust.

Figure 2 is an enlarged view of A in Figure 1 .

Fig. 3 is a schematic structural view of the counterweight in the weight training device for easy adjustment.

Fig. 4 is a structural schematic diagram of the driving frame in the weightlifting training device which is easy to adjust.

Fig. 5 is a schematic structural view of the first driving disc in the weight training device for easy adjustment.

Fig. 6 is a schematic structural view of the support in the weight training device for easy adjustment.

In the figure: 1-base, 2-guiding support rod, 3-bracket, 4-lever, 5-first elastic cylinder, 6-rotating sleeve, 7-counterweight, 8-locking mechanism, 9-lifting seat, 10 -first direction slot, 11-second direction slot, 12-drive frame, 13-connecting slide bar, 14-first drive disc, 15-second drive disc, 16-first gear, 17-second gear, 18-drive motor, 19-elastic locking bar, 20-universal ball, 21-second elastic tube, 22-locking bar, 23-slider, 24-locking bar, 25-support cross bar.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

Example 1

Please refer to Figures 1 to 3. In Embodiment 1 of the present invention, a structural diagram of an easily adjustable weight training device is provided for the embodiment of the present invention. The easy-to-adjust weight training device includes: a base 1 fixedly mounted on A plurality of guide support rods 2 on the base 1; brackets 3 respectively arranged on a plurality of guide support rods 2; a lever 4 is provided; the lever 4 is erected on the support 3; both ends of the lever 4 are provided with counterweights Block 7, the counterweight 7 is rotatably set on the lever 4; the two ends of the lever 4 are also provided with a support bar 25, and the support bar 25 is provided with a plurality of counterweights 7, the counterweight 7 The weight 7 is rotatably mounted on the support crossbar 25; the base 1 is provided with a plurality of transfer mechanisms for driving the lever 4 and the counterweight 7 on the support crossbar 25 to rotate.

It is convenient to transfer the counterweights 7 between the lever 4 and the support cross bar 25 by setting the transfer mechanism, so that the number of counterweights 7 on the lever 4 can be automatically adjusted, which is convenient to use.

Example 2

Please refer to Figures 1 and 3. The main difference between Embodiment 2 and Embodiment 1 is that the transfer mechanism includes a drive frame 12 that reciprocates and is arranged on the base 1, and the outer side of the counterweight 7 is arrayed with a plurality of second Direction slot 11 and a plurality of first direction slots 10, the second direction slot 11 and the first direction slot 10 are used for inserting the elastic lock bar 19 on the drive frame 12, the elastic lock bar 19 passes through the second direction slot 11 and the first direction slot 10 One direction slot 10 drives the counterweight 7 to slide in different directions. When it is necessary to transfer the counterweight 7 from the lever 4 to the support cross bar 25, the counterweight 7 is moved in one direction through the second direction groove 11 or the first direction groove 10, and when it is necessary to transfer the counterweight 7 from the When the support cross bar 25 is transferred to the counterweight 7, the counterweight 7 is moved in the other direction through the first direction groove 10 or the second direction groove 11, and then the balance weight 7 is moved between the support cross bar 25 and the lever. 4 for transfer.

Please refer to FIG. 4 , the driving frame 12 can be configured as a U-shaped structure, and the elastic locking rods 19 are symmetrically disposed at both ends of the U-shaped opening. In this way, the elastic locking rod 19 can be symmetrically inserted into the first direction groove 10 and the second direction groove 11 .

The first direction grooves 10 and the second direction grooves 11 are disposed in opposite directions.

As shown in Figures 1 and 5, as a preferred embodiment of the present invention, in order to drive the drive frame 12 to reciprocate and slide, and then the counterweight 7 can be continuously transferred between the lever 4 and the support cross bar 25, so the The base 1 is also provided with a reciprocating mechanism for driving the driving frame 12 to reciprocate. The reciprocating mechanism includes a rotating shaft rotatably mounted on the base 1, a first drive disc 14 and a second drive disc 15 are fixedly sleeved on the rotation, and the drive frames 12 at both ends are slidably connected to each other by connecting slide bars 13. In the reciprocating chute on the first drive disc 14 and the second drive disc 15 . The first driving disk 14 and the second driving disk 15 have the same structure. In this way, when the rotating shaft drives the first driving disc 14 and the second driving disc 15 to rotate, the connecting slide bar 13 can drive the driving frame 12 to slide back and forth.

The connecting slide bar 13 is slidably installed on the base 1 .

As shown in Figure 1, as a preferred embodiment of the present invention, in order to drive the rotating shaft to rotate, a driving motor 18 is also provided on the base 1, and the driving motor 18 is connected to the rotating shaft through gears. Specifically, The output end of the driving motor 18 is provided with a second gear 17, the second gear 17 meshes with the first gear 16, and the first gear 16 is sheathed on the rotating shaft. In this way, when the driving motor 18 rotates, the second gear 17 and the first gear 16 drive the rotating shaft to rotate, thus realizing the reciprocating movement of the driving frame 12 .

As shown in Figures 1 and 2, as a preferred embodiment of the present invention, in order to make the counterweight 7 on the lever 4 and the support cross bar 25 be provided with a counterweight 7 at the end of the track of the drive frame 12, so the support The second elastic cylinder 21 and the first elastic cylinder 5 are respectively arranged on the cross bar 25 and the lever 4, and the locking mechanism 8 is provided on the near end of the lever 4 and the support cross bar 25, so that the counterweight 7 stays in the Lever 4 and support cross bar 25 ends.

The second elastic cylinder 21 and the first elastic cylinder 5 adopt the same structure.

The locking mechanism 8 includes a locking bar 22 elastically installed on the lever 4 , and the locking bar 22 is arranged outside, and the locking bar 22 is used to lock the position of the counterweight 7 .

Specifically, the lower end of the lock bar 22 is fixedly equipped with a slider 23, and the slider 23 is slidably arranged in the sliding cavity inside the lever 4, and the outer side of the lock bar 22 is sleeved with a lock bar 24, and the lock bar 24 The two ends are fixedly installed in the slider 23 and the sliding cavity respectively. Such design further makes the locking bar 22 elastically installed on the lever 4 . The slider 23 can be a coil spring.

The outer side of the lever 4 is covered with a rotating sleeve 6, the counterweight 7 is sleeved on the outer side of the rotating sleeve 6, and the rotating sleeve 6 is rotatably mounted on the lever 4, so that the position of the counterweight 7 is convenient to be adjusted.

As shown in Figure 6, as a preferred embodiment of the present invention, in order to be able to adjust the position of the lever 4, it is convenient for the lever 4 to be in the middle of the base 1 during the practical process, so that the two ends of the lever 4 can be in contact with the supporting cross bar 25, therefore, the curved part of the bracket 3 is provided with a plurality of universal balls 20 in an array. When the lever 4 is erected on the bracket 3, the position of the lever 4 is facilitated due to the universal balls 20 .

As shown in Figure 1, as a preferred embodiment of the present invention, in order to avoid touching the support cross bar 25 during exercise, the support cross bar 25 is set up and down, and the support cross bar 25 passes through the lifting seat 9 is arranged on the base 1. The support cross bar 25 is arranged at the output end of the lifting base 9, so that the position of the support cross bar 25 can be effectively moved. The lifting base 9 is fixedly installed on the base 1 .

The working principle of the present invention is:

When needing to increase the counterweight 7 on the lever 4 in the exercise process, adjust the position of the counterweight 7 on the support cross bar 25 so that the elastic lock bar 19 on the drive frame 12 inserts the first counterweight 7 on the counterweight 7 One direction slot 10 or the second direction slot 11, then the drive motor 18 is energized and rotated, and the drive motor 18 drives the first drive disc 14 and the second drive disc 15 to rotate through the second gear 17 and the first gear 16, and the first drive disc 14 And the second driving disc 15 drives the driving frame 12 at both ends to slide back and forth, and the driving frame 12 makes the counterweight 7 transfer from the support cross bar 25 to the counterweight 7 in the process of moving to the lever 4, and then transfers to the lever 4. The counterweight 7 is under the action of the locking mechanism 8 on the lever 4 and the first direction groove 10 or the second direction groove 11, so that the counterweight 7 stays on the lever 4, and then the drive frame 12 continues to return to the support cross bar 25 on the counterweight 7 on the top, and then continue to transfer the counterweight 7 on the support cross bar 25; so realize that the counterweight 7 on the support cross bar 25 is transferred to the lever 4; When the counterweight 7 is transferred to the support cross bar 25, turn the direction of the lever 4 and the support cross bar 25, so that the elastic lock bar 19 slides out from the first direction groove 10 or the second direction groove 11, and then enters into the second direction groove 11. In the direction groove 11 or the first direction groove 10, the height of the support cross bar 25 is adjusted by the lifting seat 9, so that the support cross bar 25 is in line with the lever 4; then the drive motor 18 passes through the second gear 17 and the first gear 16 Drive the first drive disc 14 and the second drive disc 15 to rotate, the first drive disc 14 and the second drive disc 15 drive the drive frame 12 at both ends to slide back and forth, and the drive frame 12 makes the counterweight move to the support cross bar 25 in the process of moving 7 is transferred from the lever 4 to the support cross bar 25, and the counterweight 7 transferred to the support cross bar 25 is under the action of the locking mechanism 8 on the support cross bar 25 and the second direction groove 11 or the first direction groove 10 , so that the counterweight 7 stays on the support cross bar 25, then the drive frame 12 continues to return to the counterweight 7 on the lever 4, and then continues to transfer the counterweight 7 on the lever 4; The counterweight 7 on the top is transferred to the support cross bar 25. The invention realizes the automatic transfer of the counterweight 7 on the lever 4, and is convenient to use.

In describing the present invention, it is to be understood that the terms "central", "longitudinal", "transverse", "top", "bottom", "inner", "outer", "upper", "lower", " The orientations or positional relationships indicated by "front", "rear", "left", "right", "vertical", "horizontal" are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and Simplified descriptions, rather than indicating or implying that the device or element referred to must have a particular orientation, be constructed and operate in a particular orientation, and thus should not be construed as limiting the invention. In addition, the terms "first", "second", etc. are used for descriptive purposes only, and should not be understood as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Therefore, in the description of the present invention, unless otherwise specified, "plurality" means two or more. A feature defined with "first", "second", etc. may explicitly or implicitly include one or more of that feature.

It will be apparent to those skilled in the art that the invention is not limited to the details of the above-described exemplary embodiments, but that the invention can be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. Accordingly, the embodiments should be regarded in all points of view as exemplary and not restrictive, the scope of the invention being defined by the appended claims rather than the foregoing description, and it is therefore intended that the scope of the invention be defined by the appended claims rather than by the foregoing description. All changes within the meaning and range of equivalents of the elements are embraced in the present invention. Any reference sign in a claim should not be construed as limiting the claim concerned.

In addition, it should be understood that although this specification is described according to implementation modes, not each implementation mode only contains an independent technical solution, and this description in the specification is only for clarity, and those skilled in the art should take the specification as a whole , the technical solutions in the various embodiments can also be properly combined to form other implementations that can be understood by those skilled in the art.

Claims (4)

1. An easy-to-adjust weightlifting training device, characterized in that it comprises: a base, a plurality of guide support rods fixedly installed on the base; brackets respectively arranged on a plurality of guide support rods; a lever is provided; the lever is erected on on the bracket; both ends of the lever are provided with counterweights, and the counterweights are rotatably set on the lever; both ends of the lever are also provided with supporting bars, and the supporting bars are provided with multiple A counterweight, the counterweight is rotatably installed on the support bar; the base is provided with a plurality of transfer mechanisms for driving the lever and the counterweight on the support bar to rotate; The transfer mechanism includes a reciprocating driving frame arranged on the base, and the outer side of the counterweight is provided with a plurality of second direction grooves and a plurality of first direction grooves, and the second direction grooves and the first direction grooves are used for Insert the elastic locking rod on the drive frame, and the elastic locking rod drives the counterweight to slide in different directions through the second direction groove and the first direction groove; The driving frame is arranged as a U-shaped structure, and the elastic locking rods are arranged symmetrically at both ends of the U-shaped opening; The directions of the grooves in the first direction and the grooves in the second direction are arranged in opposite directions; The base is also provided with a reciprocating mechanism for driving the drive frame to reciprocate; The reciprocating mechanism includes a rotating shaft rotatably mounted on the base, a first driving disc and a second driving disc are fixedly sleeved on the rotating shaft, and the driving frames at both ends are slidably connected to the first driving disc and the second driving disc through connecting slide bars, respectively. In the reciprocating chute on the second drive disc; The base is also provided with a driving motor, the driving motor is connected to the rotating shaft through a gear, and specifically the output end of the driving motor is provided with a second gear, the second gear meshes with the first gear, and the first The gear is sleeved on the rotating shaft. 2. A kind of easy-to-adjust weightlifting training device according to claim 1, characterized in that, a second elastic tube and a first elastic tube are respectively arranged on the support bar and the lever, and the lever and the support bar are close to the end All are provided with a locking mechanism. 3 . The easily adjustable weight training device according to claim 2 , wherein the locking mechanism comprises a locking bar elastically mounted on a lever, and the locking bar is arranged to leak out. 4 . 4 . The easy-to-adjust weight training device according to claim 1 , wherein the support cross bar is set up and down, and the support cross bar is set on the base through the lifting seat.

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