CN112870629B

CN112870629B - Weight lifting equipment with increasing exercise intensity

Info

Publication number: CN112870629B
Application number: CN202110046853.9A
Authority: CN
Inventors: 孙建
Original assignee: Shandong Shengheshu Sporting Goods Co ltd
Current assignee: Shandong Shengheshu Sporting Goods Co ltd
Priority date: 2021-01-14
Filing date: 2021-01-14
Publication date: 2022-07-12
Anticipated expiration: 2041-01-14
Also published as: CN112870629A

Abstract

The invention discloses a weight lifting device with increasing exercise intensity, which comprises a platform, wherein the upper end of the platform is symmetrically and fixedly connected with two main bodies, two weight cavities are symmetrically formed in the two main bodies, a plurality of square-shaped article placing frames are longitudinally and equidistantly distributed in each weight cavity, a central groove is formed in each article placing frame, the cross section of each central groove is in an inverted isosceles trapezoid structure, the width of the central grooves from top to bottom is linearly reduced, the inner wall of each weight cavity is vertically and fixedly connected with a square guide shaft, the guide shafts penetrate through the central grooves and are coaxially arranged with the central grooves, circular weight adding blocks are placed on each article placing frame, and the weight adding blocks are slidably sleeved on the guide shafts. Has the advantages that: the invention can sequentially increase the exercise intensity, can also adjust the frequency of sequentially increasing the exercise intensity, and can also avoid the condition that internal organs of a human body are damaged due to overlarge gravity when the weight lifting rod is pressed down due to the falling off of the hand.

Description

Weight lifting equipment with increasing exercise intensity

Technical Field

The invention relates to the technical field of weight lifting, in particular to weight lifting equipment with gradually increased exercise intensity.

Background

The barbell is a core training exercise training device and is also a weight lifting device, the barbell exercise belongs to weight training, the barbell training device is only used for enhancing muscle strength training, and the barbell can also be used for core training to promote the whole coordination.

The barbell is by barbell bar (bar), barbell piece and clamp triplex, carry out detachable fixed connection with barbell piece and barbell bar through the clamp, the person taking exercise needs carry out the selection of barbell piece weight according to taking exercise intensity, the person taking exercise directly grabs and lifts or lifts, nevertheless the person taking exercise probably has the condition of the intensity of exercise such as this of inadaptation and directly leads to giving up, it is poor to the person taking exercise suitability that takes exercise the purpose weak, do not have among the prior art one can be along with the weight lifting height increases weight gradually, make person taking exercise adapt to exercise intensity gradually, improve the weight lifting equipment of person taking exercise's confidence.

To solve the above problems, we propose a weight lifting device with increasing exercise intensity.

Disclosure of Invention

The present invention is directed to a weight lifting device with an increased exercise intensity to solve the problems of the background art.

In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides a weight lifting equipment that exercise intensity increases progressively, includes the platform, two main parts of the upper end symmetry fixedly connected with of platform, two the interior symmetry of main part has seted up two weight chambeies, each the vertical equidistance of weight intracavity distributes and has a plurality of supporter of returning the font, set up the central slot on the supporter, and the transversal isosceles trapezoid structure that personally submits the handstand of central slot, from last a plurality of to down the width linearity of central slot reduces, the inner wall perpendicular fixedly connected with square guiding axle of weight chamber, the guiding axle passes a plurality of central slots and coaxial arrangement with it, circular weight piece that adds that step on has all been placed on each supporter, and the weight piece that adds slides and cup joints on the guiding axle, each the diameter that adds the weight piece that step on is greater than the width that corresponds central slot upper end, each the diameter that adds the weight piece that step on is less than the width that is located adjacent center slot lower extreme that leans on, the inner bottom wall in weight chamber is equipped with to slide and cup joints the originated weight piece on the guiding axle, the width of originated weight piece is less than and is located the adjacent width that leans on the center slot lower extreme, two the common fixedly connected with lifting rod in the relative one side of originated weight piece, one side inner wall that the regulation chamber was kept away from in weight chamber is seted up the first draw-in groove with lifting rod sliding connection, each the supporter is close to one side of first draw-in groove and is seted up the breach that the width is greater than lifting rod cross-sectional diameter.

In foretell weight lifting equipment that exercise intensity increases gradually, from last a plurality of down the weight that adds the weight piece equals and thickness crescent, a plurality of it adopts the same material to make to add the weight piece.

In the weight lifting equipment with the gradually increased exercise intensity, the weight lifting rod is fixedly sleeved with the protective sleeve.

In foretell weight lifting equipment that exercise intensity increases progressively, two regulation chambeies have been seted up to the main part symmetry, and two weight chambeies are located between two regulation chambeies, each the second draw-in groove with corresponding weight chamber intercommunication is seted up in the regulation chamber, each the inner diapire in regulation chamber inlays and is equipped with the motor, the two-way threaded rod of output fixedly connected with of motor, each the perpendicular fixedly connected with fixed axle of inner wall in regulation chamber, each one side fixedly connected with and second draw-in groove sliding connection's of supporter slide, and the slide slides and cup joint on the fixed axle, the equal fixedly connected with nut of two slides that are located both sides about, two nut symmetry screw thread cup joints on two-way threaded rod, and every two are adjacent common fixedly connected with spring between the slide, and the spring activity cup joints in the fixed axle outside.

In the above-described weight lifting apparatus in which the exercise intensity is increased, the stiffness coefficients of a plurality of the springs from the top to the bottom are sequentially increased.

In the above-described weight lifting apparatus in which the exercise intensity is increased, the weight of the starting weight is larger than the weight of the incremental weight.

Compared with the prior art, the weight lifting equipment with the gradually increased exercise intensity has the advantages that:

1. an exerciser can grab or jack through the protective sleeve, only the initial weight blocks at two ends have an exercise effect, then the initial weight blocks sequentially pass through the plurality of central grooves along with the lifting of the height of the weight lifting rod, the plurality of successively added weight blocks are sequentially superposed at the upper ends of the initial weight blocks, the weights at two ends of the weight lifting rod are gradually increased in the weight lifting process, the exercise intensity is gradually enhanced, and the condition that the initial exercise intensity is too high to cause direct abandonment is avoided;

2. in addition, once the physical strength of the exerciser is insufficient and the exerciser cannot support the weight, a plurality of additional weight blocks can be gradually unloaded by the weight lifting rod in the descending process, so that the condition that the internal organs of the human body are damaged due to overlarge pressure caused by overlarge weight of the barbell in the traditional technology can be avoided;

3. an exerciser can adjust the density of the plurality of incremental weight blocks to adjust the incremental frequency of exercise intensity according to needs, the motor drives the bidirectional threaded rod to rotate, the two nuts and the sliding plate connected with the nuts move relatively, and then the spring is compressed, so that the distance between the two adjacent incremental weight blocks is reduced, and the frequency of exercise intensity gradual enhancement is changed;

4. the invention can sequentially increase the exercise intensity, can also adjust the frequency of sequentially increasing the exercise intensity, and can also avoid the condition that internal organs of a human body are damaged due to overlarge gravity when the weight lifting rod is pressed down due to the falling off of the hand.

Drawings

FIG. 1 is a schematic diagram of a front side of a weight lifting device with increasing exercise intensity according to the present invention;

FIG. 2 is a front sectional view of a weight lifting apparatus according to the present invention with increasing exercise intensity;

FIG. 3 is an enlarged view of the structure at A in FIG. 2;

fig. 4 is a schematic structural diagram of a weight lifting device rack and a weight increasing block with increasing exercise intensity from top view.

In the figure: 1 platform, 2 main parts, 3 weight chambeies, 4 regulation chambeies, 5 first draw-in grooves, 6 second draw-in grooves, 7 guiding axle, 8 supporter, 9 central slot, 10 breachs, 11 add weight, 12 originated weight, 13 lift the pole, 14 protective sheaths, 15 slide, 16 fixed axles, 17 spring, 18 motor, 19 two-way threaded rods, 20 nuts.

Detailed Description

The following examples are for illustrative purposes only and are not intended to limit the scope of the present invention.

Examples

Referring to fig. 1-4, a weight lifting device with increasing exercise intensity comprises a platform 1, two main bodies 2 are symmetrically and fixedly connected to the upper end of the platform 1, two weight cavities 3 are symmetrically formed in the two main bodies 2, a plurality of square-shaped article placing frames 8 are longitudinally and equidistantly distributed in each weight cavity 3, a central groove 9 is formed in each article placing frame 8, the cross section of each central groove 9 is in an inverted isosceles trapezoid structure, the width of the central grooves 9 from top to bottom is linearly reduced, a square guide shaft 7 is vertically and fixedly connected to the inner wall of each weight cavity 3, the guide shaft 7 penetrates through the central grooves 9 and is coaxially arranged with the central grooves 9, a circular weight adding block 11 is placed on each article placing frame 8, the weight adding blocks 11 are slidably sleeved on the guide shaft 7, the diameter of each weight adding block 11 is larger than the width of the upper end of the corresponding central groove 9, and the diameter of each weight adding block 11 is smaller than the width of the lower end of the central groove 9 adjacent upper end, the weight of a plurality of weight adding blocks 11 from top to bottom is equal and the thickness is gradually increased, so that the weight added each time is the same, the weight of the weight adding blocks 11 can be changed according to the requirement, the plurality of weight adding blocks 11 are made of the same material, the inner bottom wall of the weight cavity 3 is provided with a starting weight block 12 which is sleeved on the guide shaft 7 in a sliding way, the width of the starting weight block 12 is smaller than the width of the lower end of the central groove 9 which is positioned adjacent to the upper end, the weight of the starting weight block 12 is larger than the weight of the weight adding blocks 11, the opposite sides of the two starting weight blocks 12 are fixedly connected with a weight lifting rod 13 together, a protective sleeve 14 is fixedly sleeved outside the weight lifting rod 13, and the friction force between a palm and the weight lifting rod 13 is improved, in order to avoid skidding, weight chamber 3 keeps away from one side inner wall of adjusting chamber 4 and offers first draw-in groove 5 with lifting rod 13 sliding connection, and each supporter 8 is close to one side of first draw-in groove 5 and offers the breach 10 that the width is greater than lifting rod 13 cross-sectional diameter.

The invention is explained by fixing the shelf 8 in the weight cavity 3, an exerciser can grab or lift through the protective sleeve 14, only the initial weight blocks 12 at two ends have the exercise effect, then the initial weight blocks 12 sequentially pass through the central grooves 9 along with the lifting of the height of the weight lifting rod 13, a plurality of weight adding blocks 11 are sequentially superposed at the upper ends of the initial weight blocks 12, the weights at two ends of the weight lifting rod 13 are gradually increased in the weight lifting process, the exercise intensity is gradually enhanced, and the condition that the initial exercise intensity is over-high to cause direct abandonment is avoided; in addition, once the physical strength of the exerciser is insufficient and the exerciser cannot support the weight, the weight lifting rod 13 can gradually unload a plurality of weight adding blocks 11 in the descending process, and the condition that the internal organs of the human body are damaged due to overlarge pressure caused by overlarge mass of the barbell in the traditional technology can be avoided.

Two main bodies 2 are symmetrically provided with two adjusting cavities 4, two weight cavities 3 are positioned between the two adjusting cavities 4, each adjusting cavity 4 is provided with a second clamping groove 6 communicated with the corresponding weight cavity 3, the inner bottom wall of each adjusting cavity 4 is embedded with a motor 18, the output end of the motor 18 is fixedly connected with a bidirectional threaded rod 19, the inner wall of each adjusting cavity 4 is vertically and fixedly connected with a fixed shaft 16, one side of each article placing rack 8 is fixedly connected with a sliding plate 15 which is in sliding connection with the second clamping groove 6, the sliding plate 15 is in sliding sleeve joint on the fixed shaft 16, the two sliding plates 15 positioned on the upper side and the lower side are both fixedly connected with nuts 20, the two nuts 20 are in symmetrical threaded sleeve joint on the bidirectional threaded rod 19, a spring 17 is fixedly connected between every two adjacent sliding plates 15 together, the spring 17 is movably sleeved on the outer side of the fixed shaft 16, the stiffness coefficients of the plurality of springs 17 from top to bottom are sequentially increased, mainly because the gravity of the plurality of springs 17 from top to bottom increases in turn, and the arrangement is such that the distance between two adjacent shelves 8 is approximately equal.

Since the stiffness coefficients of the plurality of springs 17 from top to bottom are sequentially increased so as to approximately equalize the distance between the adjacent two of the plurality of incremental weights 11, the exerciser can adjust the density of the plurality of incremental weights 11 as required to adjust the frequency of the incremental exercise, the motor 18 drives the bidirectional threaded rod 19 to rotate, the two nuts 20 and the sliding plate 15 connected with the nuts move relatively, and then the springs 17 are compressed to reduce the distance between the adjacent two of the plurality of incremental weights 11, thereby changing the frequency (related to time) of the incremental exercise.

As an improvement, the incremental weight 11 in the invention is connected by adopting a mode of detachably fixing two semicircular blocks, the main body 2 is provided with a switch door at a corresponding position of the weight cavity 3, an exerciser can set the upper limit of the weight of the incremental weight 11 according to requirements, and only needs to take out the incremental weight 11 corresponding to the upper limit weight; the invention can also arrange a mechanism for lifting the main body 2 at the upper end of the platform 1 so as to adapt to the heights of different exercisers.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. The utility model provides a temper weight lifting equipment that intensity scales up, includes platform (1), its characterized in that, two main part (2) of upper end symmetry fixedly connected with of platform (1), two main part (2) interior symmetry of main part (2) has seted up two weight chambeies (3), each longitudinal equidistance distributes has a plurality of supporter (8) of returning the font in weight chamber (3), seted up central groove (9) on supporter (8), and the transversal isosceles trapezoid structure who personally submits the handstand of central groove (9), a plurality of from last to down the width linearity of central groove (9) reduces, the square guiding axle (7) of the perpendicular fixedly connected with of inner wall of weight chamber (3), guiding axle (7) pass a plurality of central groove (9) and coaxial setting with it, each circular shape weight piece (11) that add one by one time have all been placed on supporter (8), and add by one time weight piece (11) slip cup joint on guiding axle (7), the diameter of each weight (11) is larger than the width of the upper end of the corresponding central groove (9), the diameter of each weight (11) is smaller than the width of the lower end of the central groove (9) which is adjacent to the weight, the inner bottom wall of the weight cavity (3) is provided with a starting weight (12) which is sleeved on the guide shaft (7) in a sliding manner, the width of the starting weight (12) is smaller than the width of the lower end of the central groove (9) which is adjacent to the weight, one opposite sides of the two starting weights (12) are fixedly connected with a weight lifting rod (13) together, the inner wall of one side of the weight cavity (3) far away from the adjusting cavity (4) is provided with a first clamping groove (5) which is connected with the weight lifting rod (13) in a sliding manner, and one side of each shelf (8) close to the first clamping groove (5) is provided with a notch (10) of which is larger than the section diameter of the weight lifting rod (13);

two adjusting cavities (4) are symmetrically formed in the two main bodies (2), the two weight cavities (3) are located between the two adjusting cavities (4), each adjusting cavity (4) is provided with a second clamping groove (6) communicated with the corresponding weight cavity (3), a motor (18) is embedded in the inner bottom wall of each adjusting cavity (4), the output end of the motor (18) is fixedly connected with a bidirectional threaded rod (19), the inner wall of each adjusting cavity (4) is vertically and fixedly connected with a fixing shaft (16), one side of each article shelf (8) is fixedly connected with a sliding plate (15) in sliding connection with the second clamping groove (6), the sliding plate (15) is in sliding sleeve connection with the fixing shaft (16), nuts (20) are fixedly connected to the two sliding plates (15) on the upper side and the lower side, the two nuts (20) are symmetrically in threaded sleeve connection with the bidirectional threaded rod (19), a spring (17) is fixedly connected between every two adjacent sliding plates (15), and the spring (17) is movably sleeved on the outer side of the fixed shaft (16);

the stiffness coefficients of the plurality of springs (17) from top to bottom are sequentially increased.

2. The weight lifting equipment with gradually increasing exercise intensity as claimed in claim 1, wherein the plurality of the increasing weights (11) from top to bottom are equal in weight and gradually increase in thickness, and the plurality of the increasing weights (11) are made of the same material.

3. A weight lifting device with increasing exercise intensity as claimed in claim 1, characterized in that the weight lifting rod (13) is externally fixed with a protective sleeve (14).

4. An exercise intensity progressive weight lifting apparatus according to claim 1, wherein the starting weight (12) has a greater weight than the incremental weight (11).