CN211885186U - A leg press device for sports practice - Google Patents

Abstract

The utility model discloses a leg pressing device is used in sports training, including right branch pole, first base, horizontal pole, left branch pole, second base and auxiliary regulating device, the utility model discloses a set up auxiliary regulating device in right branch pole upper right end, meshed through hand wheel drive initiative bevel gear and driven bevel gear and rotate to drive the driving gear through the connecting axle by driven bevel gear and rotate, make the driving gear mesh with the special-shaped gear and rotate, and drive the dwang when the special-shaped gear rotates and rotate, thereby make L type pole rotate to the dwang upper end, and then highly adjust the structure, satisfy user's high demand, and increased the number of using.

Description

A leg press device for sports practice

technical field

The utility model relates to the technical field of sports equipment, in particular to a leg press device for sports practice.

Background technique

In the school's physical training, it is necessary to stretch the limbs before training to prevent the students from having limb strains during the training process, especially for martial arts, gymnastics and dance, etc. The leg training of these projects needs to pass the To practice some basic movements by pressing a leg, you need to use a leg press device to assist in the training of the leg press in this process.

At present, the leg press device used for leg press training usually only adopts a horizontal bar structure fixed on a bracket. Although the existing technology can meet the use requirements of the leg press, the flexibility of the structure adjustment is poor and cannot be adjusted according to the height of the user. Proper adjustment of its height, and a small number of people who can use a horizontal bar, lead to lower leg press training efficiency and less versatility.

Utility model content

(1) Technical problems to be solved

In order to overcome the deficiencies of the prior art, a leg press device for sports practice is proposed. Although it can meet the use requirements of the leg press, it has poor structural adjustment flexibility and cannot be properly adjusted according to the height of the user. Adjustment, and the number of people available for one horizontal bar is low, resulting in low leg press training efficiency and poor versatility.

(2) Technical solutions

The utility model is realized through the following technical solutions: the utility model proposes a leg press device for sports practice, which includes a right support rod, a first base, a horizontal rod, a left support rod, a second base and an auxiliary adjustment device. The bottom end of the support rod is provided with a first base, the right end of the cross rod is welded and fixed to the upper left end of the right support rod, the left support rod is arranged on the left side of the right support rod, and the top end of the second base is fixed with the left support rod, The auxiliary adjustment device is arranged on the inner side of the upper right end of the right support rod. The rear end is locked and fixed by bolts and the front end of the right support rod from top to bottom third, the inner middle of the driving bevel gear is connected with the hand wheel through the rotating shaft, and the rear end of the driving bevel gear is connected with the driven bevel gear. The left end is meshed, the left end of the rotating mechanism is connected with the driven bevel gear, the rotating rod penetrates the lower right end of the transmission box and is connected with the lower right end of the rotating mechanism, and the left end of the outer diameter of the rotating rod is fixed by welding with the L-shaped rod.

Further, the rotating mechanism is composed of a connecting shaft, a mounting plate, a driving gear and a special-shaped gear. The left end of the connecting shaft is inserted and fixed with the inner middle of the driven bevel gear, and the rear end of the mounting plate is in contact with the rear side wall of the transmission case. Fixed, the right end of the connecting shaft penetrates the upper left end of the mounting plate and is inserted and fixed with the inner middle part of the driving gear. The inner middle part of the special-shaped gear is connected with the rotating rod.

Further, the rear end of the driving bevel gear and the left end of the driven bevel gear form an included angle of 90 degrees with each other.

Further, a fixing piece is provided at the connection between the rear end of the handwheel and the rotating shaft, and the maximum rotation angle of the fixing piece is 90 degrees.

Further, there are two auxiliary adjusting devices, and their structural dimensions are the same.

Further, limit teeth are provided at the left and right ends of the outer diameter of the special-shaped gear, and the height of the limit teeth is greater than the height of the teeth of the outer diameter of the special-shaped gear.

Further, the outside of the handwheel is provided with a rubber cover, and the surface of the rubber cover is provided with anti-skid patterns.

Further, the size of the driving gear is half the size of the special-shaped gear, and the surfaces of the driving gear and the special-shaped gear are smooth.

Further, the driving gear and the special-shaped gear are made of stainless steel.

Further, both the driving bevel gear and the driven bevel gear are made of alloy steel.

(3) Beneficial effects

Compared with the prior art, the utility model has the following beneficial effects:

In order to solve the problem that although it can meet the needs of using the leg press, the flexibility of structural adjustment is poor, and the height of the user cannot be properly adjusted according to the height of the user, and a single horizontal bar can be used by a small number of people, resulting in a lower training efficiency for the leg press. The problem of low and poor versatility is that by setting an auxiliary adjusting device on the upper right end of the right support rod, the driving bevel gear and the driven bevel gear are driven to mesh and rotate by the hand wheel, and the driven bevel gear drives the driving gear through the connecting shaft. Rotation makes the driving gear and the special-shaped gear mesh and rotate, and the special-shaped gear rotates while driving the rotating rod to rotate, so that the L-shaped rod rotates to the upper end of the rotating rod, and then the height of the structure is adjusted to meet the height requirements of users, and The number of users has increased.

Description of drawings

Other features, objects and advantages of the present invention will become more apparent by reading the detailed description of non-limiting embodiments with reference to the following drawings:

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the right side view structure schematic diagram of the present utility model;

3 is a schematic structural diagram of an auxiliary adjusting device of the present invention;

Figure 4 is a schematic diagram of the internal front structure of the transmission box of the present invention;

5 is a schematic structural diagram of the rotating mechanism of the present invention.

In the picture: strut-1, first base-2, cross bar-3, left strut-4, second base-5, auxiliary adjusting device-6, hand wheel-61, transmission box-62, driving bevel gear -63, driven bevel gear-64, rotating mechanism-65, connecting shaft-651, mounting plate-652, driving gear-653, special-shaped gear-654, rotating rod-66, L-shaped rod-67, fixing piece-71 .

Detailed ways

In order to make the purpose, technical solutions and advantages of the present utility model more clearly understood, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention, and are not intended to limit the present invention.

Please refer to Fig. 1, Fig. 2, Fig. 3, Fig. 4 and Fig. 5, the present utility model provides a leg press device for sports practice: comprising a right strut 1, a first base 2, a cross bar 3, a left strut 4, The second base 5 and the auxiliary adjusting device 6, the bottom end of the right support rod 1 is provided with the first base 2, the right end of the cross rod 3 is welded and fixed to the upper left end of the right support rod 1, and the left support rod 4 is arranged on the left side of the right support rod 1, The top end of the second base 5 is fixed with the left support rod 4 , and the auxiliary adjustment device 6 is arranged inside the upper right end of the right support rod 1 . , Rotating mechanism 65, rotating rod 66 and L-shaped rod 67, the rear end of handwheel 61 is locked and fixed with bolts and the front end of right support rod 1 from the top to the bottom third, and the middle part of the driving bevel gear 63 passes through the rotating shaft. Connected with the hand wheel 61, it is convenient for the hand wheel 61 to drive the driving bevel gear 63 to rotate, the rear end of the driving bevel gear 63 meshes with the left end of the driven bevel gear 64, and the left end of the rotating mechanism 65 is connected with the driven bevel gear 64, which is convenient for driven When the bevel gear 64 rotates, it drives the rotating mechanism 65, and the rotating rod 66 penetrates through the lower right end of the transmission box 62 and is connected with the lower right end of the rotating mechanism 65, so that the rotating mechanism 65 drives the rotating rod 66 to rotate, thereby adjusting the height of the L-shaped rod 67. , the left end of the outer diameter of the rotating rod 66 is fixed by welding with the L-shaped rod 67 .

The rotating mechanism 65 is composed of a connecting shaft 651, a mounting plate 652, a driving gear 653 and a special-shaped gear 654. The left end of the connecting shaft 651 is inserted and fixed with the inner middle of the driven bevel gear 64, which is convenient for the driven bevel gear 64 to rotate and drive the connection. The shaft 651 rotates, the rear end of the mounting plate 652 is fixed with the rear side wall of the transmission box 62, the right end of the connecting shaft 651 penetrates the upper left end of the mounting plate 652 and is fixedly inserted into the inner middle of the driving gear 653. Meshing, the left middle part of the special-shaped gear 654 rotates and cooperates with the mounting plate 652 through the support shaft, and the inner middle part of the special-shaped gear 654 is connected with the rotating rod 66, which is convenient for the rotating rod 66 to rotate while the special-shaped gear 654 rotates, so as to adjust the position of the rotating rod 66. adjust.

The rear end of the driving bevel gear 63 and the left end of the driven bevel gear 64 form an included angle of 90 degrees with each other, which is conducive to the meshing and rotation of the driving bevel gear 63 and the driven bevel gear 64 .

Wherein, a fixing member 71 is provided at the connection between the rear end of the handwheel 61 and the rotating shaft, and the maximum rotation angle of the fixing member 71 is 90 degrees, which is beneficial to prevent the rotating shaft from shifting.

Wherein, there are two auxiliary adjusting devices 6, and their structural dimensions are the same, which facilitates adjustment according to the height required by the user.

Wherein, the left and right ends of the outer diameter of the special-shaped gear 654 are provided with limit teeth, and the height of the limit teeth is greater than the height of the outer diameter of the special-shaped gear 654, which is beneficial to limit the driving gear 653 and prevent the teeth of the special-shaped gear 654. The drive gear 653 is disengaged.

The hand wheel 61 is provided with a rubber sleeve outside, and the surface of the rubber sleeve is provided with anti-slip patterns, which is beneficial for the user to use the hand wheel 61, and the anti-slip patterns play a certain anti-slip effect.

The size of the driving gear 653 is half the size of the special-shaped gear 654 , and the surfaces of the driving gear 653 and the special-shaped gear 654 are smooth, so that the driving gear 653 drives the special-shaped gear 654 to rotate, and drives the rotating rod 66 .

Among them, the driving gear 653 and the special-shaped gear 654 are made of stainless steel, which has the advantages of strong corrosion resistance and high hardness.

Among them, the driving bevel gear 63 and the driven bevel gear 64 are made of alloy steel, which has the advantages of high strength and good wear resistance.

In this patent, the driving bevel gear 63 and the driven bevel gear 64 are used to transmit the motion and power between the two intersecting shafts. In general machinery, the intersection angle between the two shafts of the bevel gear is equal to 90°, but it is It may not be equal to 90°. Similar to cylindrical gears, bevel gears have indexing cones, top cones, root cones and base cones. The cones have large ends and small ends, and the circles corresponding to the big ends are called indexing circles, Addendum circle, root circle and base circle, the motion of a pair of bevel gears is equivalent to pure rolling of a pair of pitch cones.

Working principle: During installation, the device is fixed and installed in a proper position through the first base 2 and the second base 5 of the leg press device. When the user uses it, he can adjust the height of the leg press rod on the leg press device according to his own height requirements. Adjustment, by turning the hand wheel 61 clockwise, the hand wheel 61 drives the driving bevel gear 63 and the driven bevel gear 64 to mesh and rotate, and the driven bevel gear 64 drives the driving gear 653 to rotate through the connecting shaft 651, so that the driving gear 653 It meshes and rotates with the special-shaped gear 654, and when the special-shaped gear 654 rotates, it drives the rotating rod 66 to rotate, so that the L-shaped rod 67 rotates to the upper end of the rotating rod 66, and then the height of the leg pressing rod is adjusted. Just stand facing the handlebar, with the toes of both feet facing the front, lift the left foot or the right foot and place it on the cross bar 3, the rotating bar 66 or the L-shaped bar 67, and then perform the leg pressing action. An auxiliary adjusting device 6 is arranged on the upper right end of the right support rod 1, and the driving bevel gear 63 and the driven bevel gear 64 are driven by the hand wheel 61 to mesh and rotate, and the driven bevel gear 64 drives the driving gear 653 to rotate through the connecting shaft 651. The driving gear 653 and the special-shaped gear 654 are meshed and rotated, and the special-shaped gear 654 rotates while driving the rotating rod 66 to rotate, so that the L-shaped rod 67 rotates to the upper end of the rotating rod 66, and then the height of the structure is adjusted to meet the user's needs. High demand and increased number of users.

The basic principles and main features of the present invention and the advantages of the present invention are shown and described above, and the standard parts used in the present invention can be purchased from the market, and the special-shaped parts can be made according to the description in the description and the drawings. Customized, the specific connection method of each part adopts the conventional methods such as mature bolts, rivets and welding in the existing technology, and the machinery, parts and equipment adopt the existing technology, the conventional model, and the circuit connection adopts the existing technology. The conventional connection method will not be described in detail here.

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, and that the present invention may be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments are to be considered in all respects as exemplary and not restrictive, and the scope of the present invention is defined by the appended claims rather than the foregoing description, and it is therefore intended that the All changes within the meaning and range of the required equivalents are embraced within 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 (8)

1. A leg press device for sports practice, comprising a right support rod (1), a first base (2), a transverse rod (3), a left support rod (4) and a second base (5), the right support The bottom end of the rod (1) is provided with a first base (2), the right end of the cross rod (3) is welded and fixed to the upper left end of the right support rod (1), and the left support rod (4) is arranged on the right support rod (1). ) left side, the top of the second base (5) is fixed with the left support rod (4); It is characterized in that: it further comprises an auxiliary adjustment device (6), the auxiliary adjustment device (6) is arranged on the inner side of the upper right end of the right support rod (1), and the auxiliary adjustment device (6) consists of a hand wheel (61), a transmission box (62), a driving bevel gear (63), a driven bevel gear (64), a rotating mechanism (65), a rotating rod (66) and an L-shaped rod (67), the rear end of the handwheel (61) is made up of bolts The front end of the right support rod (1) is locked and fixed from the top to the bottom third, the inner middle of the driving bevel gear (63) is connected with the hand wheel (61) through the rotating shaft, and the driving bevel gear (63) ) The rear end meshes with the left end of the driven bevel gear (64), the left end of the rotating mechanism (65) is connected with the driven bevel gear (64), and the rotating rod (66) penetrates the lower right end of the transmission case (62) and Connected with the lower right end of the rotating mechanism (65), the left end of the outer diameter of the rotating rod (66) is fixed by welding with the L-shaped rod (67). 2. A leg press device for sports practice according to claim 1, characterized in that: the rotating mechanism (65) consists of a connecting shaft (651), a mounting plate (652), a driving gear (653) and a special-shaped gear (654), the left end of the connecting shaft (651) is inserted and fixed with the inner middle of the driven bevel gear (64), the rear end of the mounting plate (652) is fixed with the rear side wall of the transmission case (62), the The right end of the connecting shaft (651) penetrates the upper left end of the mounting plate (652) and is inserted and fixed with the inner middle of the driving gear (653), the outer diameter of the driving gear (653) is meshed with the special-shaped gear (654), and the special-shaped gear ( 654) The left middle part is rotatably matched with the mounting plate (652) through the support shaft, and the inner middle part of the special-shaped gear (654) is connected with the rotating rod (66). 3 . The leg press device for sports practice according to claim 1 , wherein the rear end of the driving bevel gear (63) and the left end of the driven bevel gear (64) form an included angle of 90 degrees with each other. 4 . 4. A leg press device for sports practice according to claim 1, characterized in that: a fixing piece (71) is provided at the connection between the rear end of the handwheel (61) and the rotating shaft, and the fixing piece (71) The maximum rotation angle is 90 degrees. 5 . The leg press device for sports practice according to claim 1 , characterized in that: there are two auxiliary adjusting devices ( 6 ), and their structural dimensions are the same. 6 . 6. A kind of leg press device for sports practice according to claim 2, characterized in that: limit teeth are provided at the left and right ends of the outer diameter of the special-shaped gear (654), and the height of the limit teeth is greater than that of the special-shaped gear (654). ) outside diameter tooth height. 7 . The leg press device for sports practice according to claim 1 , wherein a rubber sleeve is provided outside the hand wheel ( 61 ), and the surface of the rubber sleeve is provided with anti-skid patterns. 8 . 8. The leg press device for sports practice according to claim 2, wherein the size of the driving gear (653) is one-half the size of the special-shaped gear (654), and the driving gear (653) and the The surface of the special-shaped gear (654) is smooth.

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