CN212262279U

CN212262279U - Shank trainer for sports

Info

Publication number: CN212262279U
Application number: CN202020840260.0U
Authority: CN
Inventors: 孙柱兵
Original assignee: Guizhou University of Engineering Science
Current assignee: Guizhou University of Engineering Science
Priority date: 2020-05-19
Filing date: 2020-05-19
Publication date: 2021-01-01
Anticipated expiration: 2030-05-19

Abstract

The utility model discloses a shank trainer for sports relates to sports equipment technical field, this shank trainer for sports, including bottom plate, support and baffle, the top of bottom plate and the bottom swing joint of support, the side swing joint of support has the back, the bottom swing joint of support has first connecting rod, one side swing joint that the support was kept away from on the back surface has the second connecting rod, the spout has been seted up at the top of bottom plate, and the quantity of spout is two, the inner wall of spout and the surface swing joint of slider, and the quantity of slider is two, the top of two sliders respectively with the bottom swing joint of first connecting rod and second connecting rod. The utility model discloses a set up second connecting rod, slider, inserted bar and spring to among the solution prior art, the back-pedal machine is used in the training of present common sports motion shank when using, and the back angle of back-pedal machine can't be adjusted, thereby leads to the problem that the back-pedal machine used comparatively inconvenient.

Description

Shank trainer for sports

Technical Field

The utility model relates to a sports equipment technical field specifically is a shank trainer for sports.

Background

Leg portion trainer is back-pedalling machine for the sports, the back leans on the back of back-pedalling machine, the leg is bent the knee forward, the foot supports on the baffle of back-pedalling machine, the dumbbell piece has been placed on the baffle, increase the weight of baffle, the position of placing of good foot is selected, the leg is done exercises forward, the baffle is along the guide bar motion on the back-pedalling machine, the leg straightens, then slowly retrieve the action, get back to the state that the nature was relaxed up to the leg, slowly retrieve the action after sending forth again, it is repeated many times, temper the leg.

Among the prior art, the back-off machine is used in present common sports leg training, and the back leans on the back of back-off machine when using, and the foot supports on the baffle, and the shank is exerted oneself and is made the shank straighten, slowly retrieves the action again, tempers the shank, and the back angle of back-off machine is fixed, can't adjust the angle of back to it is comparatively inconvenient to lead to the use of back-off machine.

SUMMERY OF THE UTILITY MODEL

The utility model provides a shank trainer for sports possesses back angle adjustable's advantage to among the solution prior art, the back-pedal machine is used in the training of present common sports shank, and the back angle of back-pedal machine can't be adjusted when using, thereby leads to the problem that the back-pedal machine used comparatively inconvenient.

For realizing the purpose of backrest angle adjustable, the utility model provides a following technical scheme: a leg training device for physical exercise comprises a bottom plate, a support and a baffle, wherein the top of the bottom plate is movably connected with the bottom of the support, the side face of the support is movably connected with a backrest, the bottom of the support is movably connected with a first connecting rod, one side, far away from the support, of the surface of the backrest is movably connected with a second connecting rod, the top of the bottom plate is provided with two sliding grooves, the number of the sliding grooves is two, the inner wall of each sliding groove is movably connected with the surface of a sliding block, the number of the sliding blocks is two, the tops of the two sliding blocks are respectively movably connected with the bottoms of the first connecting rod and the second connecting rod, a cavity is arranged inside the sliding block, the inside of the cavity is movably connected with an inserting rod, the top of the inner wall of the cavity and the top of the inserting rod are respectively fixedly connected with the top and the bottom of a spring, a groove is arranged at the bottom of the, the top of the inner wall of the cavity is provided with a thread groove, the inner wall of the thread groove is in threaded connection with the surface of the bolt, the spring is movably sleeved on the surface of the bolt, and the bottom of the bolt is movably connected with the top of the inserted rod.

As an optimal technical scheme of the utility model, the fixed surface of baffle is connected with the antislip strip, the antislip strip is triangle-shaped.

As an optimal technical scheme of the utility model, the slider is the shape of falling T, the shape looks adaptation of the shape of spout and slider.

As a preferred technical scheme of the utility model, the inserted bar includes bolt and movable block, the inner wall of cavity and the surface swing joint of movable block, bolt fixed connection is in the bottom of movable block, the bottom of bolt run through the slider and with the inner wall swing joint of recess, the bottom of spring and the top fixed connection of movable block, the bottom of bolt and the top swing joint of movable block.

As an optimized technical scheme of the utility model, the bottom of bolt is hemispherical, the shape of recess and the shape looks adaptation of bolt.

As a preferred technical scheme of the utility model, the bottom fixedly connected with stopper of bolt, the bottom of stopper and the top swing joint of movable block, the spring activity cup joints the surface at the stopper.

Compared with the prior art, the utility model provides a shank trainer for sports possesses following beneficial effect:

1. this shank trainer for sports, through setting up the second connecting rod, the slider, inserted bar and spring, when using, it makes stopper and inserted bar separation to rotate the bolt, can remove the slider, the slider drives the back through the second connecting rod and rotates, adjust the angle of back, adjust to after suitable angle, the inserted bar blocks in the recess under the spring force effect, the back rotation bolt is fixed the inserted bar, prevent inserted bar and recess separation, can fix the angle of back, adjust the angle of back through removing the slider, the effect of back angularly adjustable has been reached, it is more convenient to use the back press machine, in order to solve prior art, the back press machine for sports leg training common at present is when using, the back angle of back press machine can't be adjusted, thereby lead to the problem that the back press machine is comparatively inconvenient to use.

2. This shank trainer for sports, through setting up first connecting rod, when using, the bottom of first connecting rod is connected with the slider through the connecting seat, and the bolt that rotates on the slider makes stopper and inserted bar separation, and the angle that the support was adjusted through first connecting rod to the removal slider, and the back is accomplished in the angle modulation reverse rotation bolt makes the stopper support the inserted bar and can live the angle of support fixed, and the angle of support and back is all adjustable, and it is more convenient to use the back pedal machine.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a front sectional view of the slide block of the present invention;

FIG. 3 is an enlarged view of the structure at the position of the sliding block of the present invention;

fig. 4 is a right sectional view of the position of the bolt of the present invention.

In the figure: 1. a base plate; 2. a support; 3. a baffle plate; 4. a backrest; 5. a first link; 6. a second link; 7. a chute; 8. a slider; 9. a cavity; 10. inserting a rod; 1001. a bolt; 1002. a movable block; 11. a spring; 12. a groove; 13. a thread groove; 14. a bolt; 15. anti-slip strips; 16. and a limiting block.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the utility model discloses a leg training device for physical exercise, which comprises a bottom plate 1, a bracket 2 and a baffle 3, wherein the top of the bottom plate 1 is movably connected with the bottom of the bracket 2, the bottom plate 1 is hinged with the bottom of the bracket 2 through a connecting seat, the side surface of the lower end of the bracket 2 is movably connected with a backrest 4, the bracket 2 is hinged with the backrest 4 through the connecting seat, one connecting seat is shared between the bottom plate 1 and the bracket 2 and between the bracket 2 and the backrest 4, the baffle 3 is movably connected with the upper side of the bracket 2, the connecting mechanism and the connecting mode between the baffle 3 and the bracket 2 are the same as those between the baffle and the bracket of the existing back pedaling machine, for example, the model is SH-6874 hanging-piece thigh deep squat trainer (back pedaling machine), which is a guide sleeve fixedly connected with the baffle 3 and the surface of a guide rod inside the bracket 2, hanging piece type dumbbell pieces are placed at the upper side position of the baffle 3, the weight of the baffle 3 is increased, the baffle 3 is pedaled, the baffle 3 drives the guide sleeve to slide along the surface of the guide rod, thereby the exercise of legs is realized, the bottom of the support 2 is movably connected with a first connecting rod 5, both ends of the first connecting rod 5 are respectively hinged with the support 2 and the sliding block 8 through connecting seats, one side of the surface of the backrest 4, which is far away from the support 2, is movably connected with a second connecting rod 6, both ends of the second connecting rod 6 are respectively hinged with the backrest 4 and the sliding block 8 through the connecting seats, the top of the bottom plate 1 is provided with a sliding groove 7, the sliding groove 7 provides space for the movement of the sliding block 8, the sliding grooves 7 are two and are respectively positioned at both ends of the top of the bottom plate 1, the inner wall of the sliding groove 7 is movably connected with the surface of the sliding block 8, the number of the sliding block, cavity 9 has been seted up to slider 8's inside, cavity 9 provides the space for the removal of inserted bar 10, inserted bar 10 vertically reciprocates along the inner wall of cavity 9 when removing, the inside swing joint of cavity 9 has inserted bar 10, the top of cavity 9 inner wall and the top of inserted bar 10 respectively with the top and the bottom fixed connection of spring 11, recess 12 has been seted up to the bottom of spout 7 inner wall, the quantity of recess 12 is a plurality of, inserted bar 10 card is in the recess 12 of different positions, can block slider 8, the bottom of inserted bar 10 run through slider 8 and with the inner wall swing joint of recess 12, thread groove 13 has been seted up at the top of cavity 9 inner wall, the inner wall of thread groove 13 and the surface threaded connection of bolt 14, spring 11 activity cup joints on the surface of bolt 14, the bottom of bolt 14 and the top swing joint of inserted bar 10.

Specifically, the surface of the baffle 3 is fixedly connected with an anti-slip strip 15, and the anti-slip strip 15 is triangular.

In this embodiment, the cross-sectional front view of the cleat 15 is triangular, and the cleat 15 prevents the user from slipping when the foot abuts against the apron 3.

Specifically, the sliding block 8 is in an inverted T shape, and the shape of the sliding groove 7 is matched with that of the sliding block 8.

In this embodiment, the right sectional view of the slider 8 is inverted T-shaped, preventing the slider 8 from separating from the chute 7.

Specifically, the insert rod 10 includes a plug pin 1001 and a movable block 1002, the inner wall of the cavity 9 is movably connected with the surface of the movable block 1002, the plug pin 1001 is fixedly connected to the bottom of the movable block 1002, the bottom of the plug pin 1001 penetrates through the sliding block 8 and is movably connected with the inner wall of the groove 12, the bottom of the spring 11 is fixedly connected with the top of the movable block 1002, and the bottom of the bolt 14 is movably connected with the top of the movable block 1002.

In this embodiment, the elastic force of the spring 11 makes the movable block 1002 move downward along the inner wall of the cavity 9, and the movable block 1002 drives the pin 1001 to move downward and insert into the groove 12, so as to clamp the slider 8.

Specifically, the bottom of the plug 1001 is hemispherical, and the shape of the groove 12 is adapted to the shape of the plug 1001.

In this embodiment, it is convenient for the latch 1001 to be inserted into the groove 12 to catch the slider 8.

Specifically, the bottom fixedly connected with stopper 16 of bolt 14, the bottom of stopper 16 and the top swing joint of movable block 1002, spring 11 activity cup joints the surface at stopper 16.

In this embodiment, the stopper 16 is used for preventing the bolt 14 from separating from the thread groove 13, when the top of the stopper 16 contacts with the top of the inner wall of the cavity 9, the stopper 16 separates from the insertion rod 10, the bolt 14 cannot continue to rotate in the opposite direction, the slider 8 is moved at this time, the insertion rod 10 is extruded by the curved surface of the inner wall of the groove 12, and the insertion rod 10 can move upwards.

The utility model discloses a theory of operation and use flow: when the backrest chair is used, the bolt 14 is rotated, the bolt 14 rotates and moves upwards to separate the limiting block 16 from the inserted rod 10, the sliding block 8 can be moved, the sliding block 8 moves along the inner wall of the sliding groove 7, the inserted rod 10 is extruded by the inner wall of the groove 12, the inserted rod 10 moves upwards and extrudes the spring 11, the spring 11 is in a compressed state, the sliding block 8 is movably connected with the second connecting rod 6 through the connecting seat, the second connecting rod 6 is connected with the backrest 4 through the connecting seat, the backrest 4 is connected with the bracket 2 through the connecting seat, the sliding block 8 is moved, the sliding block 8 drives the backrest 4 to rotate through the second connecting rod 6, the angle of the backrest 4 is adjusted, after the proper angle is adjusted, the inserted rod 10 is clamped in the groove 12 under the elastic force action of the spring 11, the inserted rod 10 is abutted through the limiting block 16 by the bolt 14 in a reverse rotation direction, the inserted rod 10 is tightly attached to the groove 12, the angle of the backrest 4 can be fixed, the angle adjustment of the bracket 2 is the same as the adjustment mode of the backrest 4, the angles of the bracket 2 and the backrest 4 can be adjusted, and the back-pedal machine is more convenient to use.

To sum up, this shank trainer for sports is through setting up second connecting rod 6, slider 8, inserted bar 10 and spring 11 to among the solution prior art, the back of the chair 4 angle of back of the back of.

It should be noted that, in this document, terms such as "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a shank trainer for sports, includes bottom plate (1), support (2) and baffle (3), its characterized in that: the top of the bottom plate (1) is movably connected with the bottom of the support (2), the side face of the support (2) is movably connected with a backrest (4), the bottom of the support (2) is movably connected with a first connecting rod (5), one side of the surface of the backrest (4) far away from the support (2) is movably connected with a second connecting rod (6), the top of the bottom plate (1) is provided with two sliding grooves (7), the number of the sliding grooves (7) is two, the inner wall of each sliding groove (7) is movably connected with the surface of a sliding block (8), the number of the sliding blocks (8) is two, the tops of the two sliding blocks (8) are respectively movably connected with the bottoms of the first connecting rod (5) and the second connecting rod (6), a cavity (9) is arranged inside the sliding block (8), the inside of the cavity (9) is movably connected with an inserting rod (10), and the top of the inner wall of the cavity (9) and the top of the inserting rod (10) are respectively fixedly connected with the top and the bottom, the bottom of the inner wall of the sliding groove (7) is provided with a groove (12), the bottom of the inserted bar (10) penetrates through the sliding block (8) and is movably connected with the inner wall of the groove (12), the top of the inner wall of the cavity (9) is provided with a threaded groove (13), the inner wall of the threaded groove (13) is in threaded connection with the surface of the bolt (14), the spring (11) is movably sleeved on the surface of the bolt (14), and the bottom of the bolt (14) is movably connected with the top of the inserted bar (10).

2. A leg training device for sports activities according to claim 1, characterized in that: the surface of the baffle (3) is fixedly connected with anti-slip strips (15), and the anti-slip strips (15) are triangular.

3. A leg training device for sports activities according to claim 1, characterized in that: the sliding block (8) is in an inverted T shape, and the shape of the sliding groove (7) is matched with that of the sliding block (8).

4. A leg training device for sports activities according to claim 1, characterized in that: inserted bar (10) are including bolt (1001) and movable block (1002), the inner wall of cavity (9) and the surperficial swing joint of movable block (1002), bolt (1001) fixed connection is in the bottom of movable block (1002), the bottom of bolt (1001) run through slider (8) and with the inner wall swing joint of recess (12), the bottom of spring (11) and the top fixed connection of movable block (1002), the bottom of bolt (14) and the top swing joint of movable block (1002).

5. A leg training device for sports activities according to claim 4, characterized in that: the bottom of the plug pin (1001) is hemispherical, and the shape of the groove (12) is matched with that of the plug pin (1001).

6. A leg training device for sports activities according to claim 4, characterized in that: the bottom fixedly connected with stopper (16) of bolt (14), the bottom of stopper (16) and the top swing joint of movable block (1002), spring (11) activity is cup jointed on the surface of stopper (16).