CN114344804A - An easy-to-adjust weight training device - Google Patents

Abstract

The invention is applicable to the technical field of sports equipment, and provides a weightlifting training device that is easy to adjust; 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; the two ends of the lever are provided with counterweight blocks, and the counterweight blocks are rotatably sleeved on the lever; the two ends of the lever are also provided with support bars, and the support bars A plurality of counterweight blocks are arranged on the base, and the counterweight blocks are rotatably mounted on the support bar; a plurality of transfer mechanisms for driving the lever and the counterweight blocks on the support bar to rotate are provided on the base. The invention facilitates the mutual transfer of the counterweight blocks between the lever and the support bar by setting the transfer mechanism, so that the number of counterweight blocks on the lever can be automatically adjusted, 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 a weight-lifting training device that is easy to adjust.

Background technique

Sports equipment, a general term for various equipment, equipment and supplies used in competitive sports competitions and fitness exercises. Sports equipment and sports are interdependent and promote each other. The popularization of sports and the diversification of sports have made the types and specifications of sports equipment. In the same way, sports equipment with good quality, stable performance, safety and reliability can not only ensure that the competitive competition is carried out in a fair and intense situation.

In the process of weightlifting training, dumbbells need to be pushed, and the counterweight plate needs to be replaced during the training process to adapt to different training intensities. However, the existing technology usually adopts manual replacement and replacement, which is troublesome and labor-intensive. In order to solve this technology PROBLEM A moveable device that is easy to adjust is now proposed.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a weight-lifting training device that is easy to adjust, so as to solve the problems raised in the above-mentioned background art.

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

A weight-lifting training device that is easy to adjust, 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 counterweight blocks, and the counterweight blocks are rotatably sleeved on the lever; both ends of the lever are also provided with support bars, and a plurality of counterweight blocks are arranged on the support bars. The counterweight is rotatably mounted 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.

As a further solution of the present invention: the transfer mechanism includes a drive frame arranged on the base for reciprocating movement, a plurality of second-direction grooves and a plurality of first-direction grooves are arranged in the outer array of the counterweight, and the second direction The slot and the first direction slot are used for the insertion of 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 slot and the first direction slot.

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

As a further solution of the present invention, the base is further provided with a reciprocating mechanism for driving the drive frame to move back and forth.

As a further solution of the present invention: the reciprocating mechanism includes a rotating shaft that is rotatably mounted on the base, a first driving disk and a second driving disk are fixedly sleeved on the rotating upper plate, and the driving frames at both ends are connected by sliding rods respectively. It is slidably connected to the reciprocating chute on the first drive plate and the second drive plate.

As a further solution of the present invention, a drive motor is also provided on the base, and the drive motor is connected with the rotating shaft through gears. Specifically, the output end of the drive motor is provided with a second gear, and the second gear is connected to the A gear is engaged, and the first gear is sleeved on the rotating shaft.

As a further solution of the present invention, a second elastic cylinder and a first elastic cylinder are respectively provided on the support crossbar and the lever, and a locking mechanism is provided near the end of the lever and the support crossbar.

As a further solution of the present invention, the locking mechanism includes a locking rod elastically installed on the lever, and the locking rod is arranged to leak outward.

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

Compared with the prior art, the beneficial effects of the present invention are: the present invention facilitates the mutual transfer of the counterweight blocks between the lever and the support bar by setting the transfer mechanism, so that the number of counterweight blocks on the lever can be automatically adjusted. Adjustable and easy to use.

Description of drawings

FIG. 1 is a schematic structural diagram of a weight-lifting training device that is easy to adjust.

FIG. 2 is an enlarged view of part A in FIG. 1 .

FIG. 3 is a schematic structural diagram of a weight block in a weight-lifting training device that is easy to adjust.

FIG. 4 is a schematic structural diagram of a drive frame in a weight-lifting training device that is easy to adjust.

FIG. 5 is a schematic structural diagram of the first drive plate in the weight-lifting training device for easy adjustment.

FIG. 6 is a schematic structural diagram of a bracket in a weight-lifting training device that is easy to adjust.

In the picture: 1-base, 2-guide 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 plate, 15 - Second drive plate, 16 - First gear, 17 - Second gear, 18-drive motor, 19-elastic locking rod, 20-universal ball, 21-second elastic cylinder, 22-locking rod, 23-slider, 24-locking rod, 25-supporting crossbar.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. 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.

Example 1

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

The provision of the transfer mechanism facilitates the mutual transfer of the counterweights 7 between the lever 4 and the support crossbar 25 , so that the quantity of the counterweights 7 on the lever 4 can be automatically adjusted, which is convenient to use.

Example 2

Please refer to FIGS. 1 and 3 . The main difference between the second embodiment and the first embodiment is that the transfer mechanism includes a drive frame 12 arranged on the base 1 for reciprocating movement, and a plurality of second A 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 the insertion of the elastic locking rod 19 on the drive frame 12, and the elastic locking rod 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 the counterweight 7 needs to be transferred from the lever 4 to the support bar 25, the counterweight 7 is moved in one direction through the second direction groove 11 or the first direction groove 10. When the counterweight 7 needs to be moved from the When the support cross bar 25 is transferred to the counterweight block 7, the counterweight block 7 is moved to the other direction through the first direction groove 10 or the second direction groove 11, thereby realizing the counterweight block 7 on the support crossbar 25 and the lever. 4 to transfer.

Referring to FIG. 4 , the drive frame 12 can be configured as a U-shaped structure, and the elastic locking rods 19 are symmetrically arranged 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 arranged in opposite directions.

As shown in FIGS. 1 and 5 , as a preferred embodiment of the present invention, in order to drive the drive frame 12 to reciprocate and slide, so as to continuously transfer the counterweight 7 between the lever 4 and the support cross bar 25, the above The base 1 is also provided with a reciprocating mechanism for driving the drive frame 12 to reciprocate. The reciprocating mechanism includes a rotating shaft that is rotatably mounted on the base 1 , a first driving disk 14 and a second driving disk 15 are fixedly sleeved on the rotating upper part, and the driving frames 12 at both ends are slidably connected to each other through connecting sliding rods 13 . In the reciprocating chute on the first drive disk 14 and the second drive disk 15 . The first drive disk 14 and the second drive disk 15 have the same structure. In this way, when the rotating shaft drives the first driving disk 14 and the second driving disk 15 to rotate, the connecting sliding rod 13 can drive the driving frame 12 to reciprocately slide.

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

As shown in FIG. 1 , as a preferred embodiment of the present invention, in order to drive the rotating shaft to rotate, the base 1 is also provided with a driving motor 18, and the driving motor 18 is connected to the rotating shaft through gears. The output end of the drive 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 sleeved on the rotating shaft. In this way, when the driving motor 18 rotates, the rotating shaft is driven to rotate by the second gear 17 and the first gear 16 , 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 balance weight 7 on the lever 4 and the support cross bar 25 at the end of the track of the drive frame 12 are provided with the balance weight 7, so the support The cross bar 25 and the lever 4 are respectively provided with a second elastic cylinder 21 and a first elastic cylinder 5, and the lever 4 and the supporting cross bar 25 are provided with a locking mechanism 8 near the end, so that the counterweight 7 stays in the position. Lever 4 and support crossbar 25 ends.

The second elastic cylinder 21 and the first elastic cylinder 5 are arranged in the same structure.

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

Specifically, a sliding block 23 is fixedly installed at the lower end of the locking rod 22 , and the sliding block 23 is slidably arranged in a sliding cavity inside the lever 4 . Both ends are fixedly installed in the sliding block 23 and the sliding cavity respectively. It is designed in this way so that the locking lever 22 is elastically mounted on the lever 4 . The slider 23 may be a coil spring.

A rotating sleeve 6 is sleeved on the outside of the lever 4 , the counterweight 7 is sleeved on the outside of the rotating sleeve 6 , and the rotating sleeve 6 is rotatably mounted on the lever 4 , so that the position of the weight 7 can be easily adjusted.

As shown in FIG. 6, as a preferred embodiment of the present invention, in order to adjust the position of the lever 4, it is convenient for the lever 4 to be in the middle position of the base 1 in the practical process, so that the two ends of the lever 4 can interfere with the supporting cross bar Therefore, a plurality of universal balls 20 are arranged in the curved part of the bracket 3 . When the lever 4 is erected on the bracket 3 , the position of the lever 4 is easily moved due to the universal ball 20 .

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

The working principle of the present invention is:

When it is necessary to increase the counterweight 7 on the lever 4 during the exercise, adjust the position of the counterweight 7 on the support cross bar 25 so that the elastic locking rod 19 on the drive frame 12 is inserted into the first position on the counterweight 7 One direction slot 10 or second direction slot 11, and then the driving motor 18 is energized and rotated. The driving motor 18 drives the first driving disc 14 and the second driving disc 15 to rotate through the second gear 17 and the first gear 16. The first driving disc 14 and the second drive plate 15 drive the drive frames 12 at both ends to slide back and forth, and the drive frame 12 transfers the counterweight 7 from the support bar 25 to the counterweight 7 during the movement 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 slot 10 or the second direction slot 11, so that the counterweight 7 remains on the lever 4, and then the drive frame 12 continues to return to the support cross bar 25 On the counterweight 7, and then continue to transfer the counterweight 7 on the support bar 25; in this way, the counterweight 7 on the support bar 25 is transferred to the lever 4; When the counterweight 7 is transferred to the support bar 25, rotate the direction of the lever 4 and the support bar 25, so that the elastic locking bar 19 slides out from the first direction slot 10 or the second direction slot 11, and then enters the second direction slot 11. In the direction slot 11 or the first direction slot 10, the height of the support bar 25 is adjusted through the lift seat 9, so that the support bar 25 and the lever 4 are in a line; then the driving motor 18 passes through the second gear 17 and the first gear 16. The first drive plate 14 and the second drive plate 15 are driven to rotate, and the first drive plate 14 and the second drive plate 15 drive the drive frames 12 at both ends to slide back and forth. 7 Transfer from the lever 4 to the support cross bar 25, and transfer to the counterweight of the support cross bar 25 7 Under the action of the locking mechanism 8 on the support cross bar 25 and the second direction slot 11 or the first direction slot 10 , so that the counterweight 7 remains on the support bar 25, and 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 upper counterweight 7 is transferred to the support bar 25. The present invention realizes the automatic transfer of the counterweight 7 on the lever 4, and is convenient to use.

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "top", "bottom", "inner", "outer", "upper", "lower", " The orientation or positional relationship indicated by front, rear, left, right, vertical, horizontal, etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and The description is simplified 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 therefore 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 construed as indicating or implying relative importance or implying the number of indicated technical features. Thus, in the description of the present invention, unless otherwise specified, "plurality" means two or more. Features delimited with "first", "second", etc., may expressly or implicitly include one or more of that feature.

It will be apparent to those skilled in the art that the present invention is not limited to the details of the above-described exemplary embodiments, but that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. Therefore, the embodiments are to be regarded in all respects as illustrative and not restrictive, and the scope of the invention is to be defined by the appended claims rather than the foregoing description, which are therefore intended to fall within the scope of the claims. All changes within the meaning and scope of the equivalents of , are included in the present invention. Any reference signs in the claims shall not be construed as limiting the involved claim.

In addition, it should be understood that although this specification is described in terms of embodiments, not each embodiment only includes an independent technical solution, and this description in the specification is only for the sake of clarity, and those skilled in the art should take the specification as a whole , the technical solutions in each embodiment can also be appropriately combined to form other implementations that can be understood by those skilled in the art.

Claims (10)

1. A weight training device convenient to adjust, comprising: the base is fixedly arranged on the plurality of guide supporting rods; the brackets are respectively arranged on the plurality of guide supporting rods; a lever is arranged; the lever is erected on the bracket; the two ends of the lever are respectively provided with a balancing weight, and the balancing weights are rotatably sleeved on the lever; the two ends of the lever are also provided with supporting cross rods, a plurality of balancing weights are arranged on the supporting cross rods, and the balancing weights are rotatably arranged on the supporting cross rods; the base is provided with a plurality of transfer mechanisms for driving the levers and the balancing weights on the supporting cross rod to rotate.

2. The weight training device convenient to adjust of claim 1, wherein the transfer mechanism comprises a driving frame which is arranged on the base in a reciprocating mode, a plurality of second direction grooves and a plurality of first direction grooves are formed in the outer side array of the balancing weight, the second direction grooves and the first direction grooves are used for being inserted into elastic locking rods on the driving frame, and the elastic locking rods drive the balancing weight to slide in different directions through the second direction grooves and the first direction grooves.

3. The weight training device convenient to adjust of claim 2, wherein the driving frame is arranged in a U-shaped structure, and the elastic locking rods are symmetrically arranged at two ends of the U-shaped opening.

4. An adjustable weight training device according to claim 2 wherein the first and second directional slots are arranged in opposite directions.

5. The weight training device convenient to adjust according to claim 2, wherein the base is further provided with a reciprocating mechanism for driving the driving frame to reciprocate.

6. The adjustable weight training device as claimed in claim 5, wherein the reciprocating mechanism comprises a rotating shaft rotatably mounted on the base, the rotating shaft is fixedly sleeved with a first driving disk and a second driving disk, and the driving frames at two ends are slidably connected to the reciprocating chutes on the first driving disk and the second driving disk respectively through connecting sliding rods.

7. The weight training device convenient to adjust of claim 6, wherein the base is further provided with a driving motor, the driving motor is in transmission connection with the rotating shaft through a gear, specifically, the output end of the driving motor is provided with a second gear, the second gear is meshed with the first gear, and the rotating shaft is sleeved with the first gear.

8. An adjustable weight training device according to any one of claims 1 to 7 wherein the support bar and lever are provided with a second resilient cartridge and a first resilient cartridge respectively, the lever and support bar being provided with a locking mechanism near their proximal ends.

9. An adjustable weight training device as claimed in claim 8 wherein the locking means comprises a locking bar resiliently mounted on the lever, the locking bar being arranged to be missed.

10. The weight training device of claim 1, wherein the support rail is vertically disposed, and the support rail is disposed on the base via a vertical seat.

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