CN110215654B - Indoor track and field ground shank trainer - Google Patents

Abstract

The invention relates to the technical field of sports equipment and discloses an indoor stadium leg training device which comprises a base, wherein a backup plate and a mounting plate are spliced at the top of the base, a screw rod is arranged on the left side of the mounting plate in an inserting mode, a screw hole corresponding to the screw rod is formed in the mounting plate, the right side of the screw rod is connected with a top plate through a bearing, a compression spring is movably mounted on the right side of the top plate, a pedal plate is movably mounted on the right side of the compression spring, and a side plate is fixedly connected to the back of the mounting plate. Indoor track and field shank trainer, through the back installation rack at the step tread, during the use, sportsman's both feet are kicked repeatedly and are moved the step tread, and the step tread constantly slides from side to side on the base, and when the sportsman pushed the step tread out suddenly full power, compression spring reset rapidly, promoted the step tread and moved right, and the step tread drives the rack through the slide bar and slides right, and the rack drives the dwang through the gear and rotates anticlockwise fast.

Description

Indoor track and field ground shank trainer

Technical Field

The invention relates to the technical field of sports equipment, in particular to an indoor athletic field leg training device.

Background

In track and field, the sport is an important sport category in Olympic games, and the sport is divided into running, jumping, throwing and other projects, and most of the projects have higher requirements on leg strength, so that athletes can perform leg strength enhancement training and some corresponding skill exercises at ordinary times.

When training shank strength, the sportsman sits on the training equipment, constantly pedals the kicking plate compression spring, and after high strength training, the sportsman kicked out the kicking plate and is exhausted suddenly, leads to the kicking plate to kick-back rapidly, and striking sportsman's shank probably causes serious injury to it, therefore we provide an indoor track and field shank trainer and solve the problem.

Disclosure of Invention

In view of the above problems, the present invention provides an indoor training device for legs of an athletic field, which has a protective effect.

The invention adopts the following technical scheme for realizing the technical purpose: the utility model provides an indoor track and field shank trainer, includes the base, the top concatenation of base has backup plate and mounting panel, the left side interlude of mounting panel is provided with the screw rod, sets up the screw that corresponds with it on the mounting panel, the right side of screw rod is connected with the roof through the bearing, the right side movable mounting of roof has compression spring, compression spring's right side movable mounting has the pedal, the back fixedly connected with curb plate of mounting panel.

The inside of curb plate has seted up slip chamber and braking chamber, the inner diapire sliding connection in slip chamber has the rack, the length in activity chamber is twice rack length, the top meshing of rack has the gear.

The back welding of gear has the dwang that extends to the braking intracavity portion, the groove has been seted up in the outside of dwang and has been accomodate, the interior diapire welding of accomodating the groove has been dragged the spring, it keeps away from the one end fixedly connected with brake lever of accomodating the groove diapire to drag the spring.

The brake device is characterized in that a brake ring is welded on the inner front wall of the brake cavity, thirteen uniformly distributed clamping grooves are formed in the inner side of the brake ring, connecting holes are formed between every two adjacent clamping grooves, clamping rods are inserted into openings in two sides of the connecting holes, the inserting rods extend into the clamping grooves, corresponding two clamping rods are movably connected to one opposite sides of the clamping rods, the connecting rods are located in the connecting holes, one ends, far away from the clamping rods, of the two connecting rods in the same connecting hole are connected together, a stretching rod is movably connected to the joint of the two connecting rods, one end, far away from the connecting rods, of the stretching rod is fixedly connected with a ring plate, the back of the ring plate is fixedly connected with an unlocking rod, and.

The handle is arranged on the back face of the side plate in an inserting mode, the turntable is fixedly connected to the front face of the handle, the sliding groove is formed in the front face of the turntable, the through hole communicated with the sliding cavity is formed in the front face of the side plate, and the sliding rod is fixedly connected to the front face of the rack.

As optimization, the sliding cavity is located the front of braking cavity, the slide bar runs through the through-hole, the outside in the dwang is overlapped to the braking ring, the back swing joint of braking ring has the slide rail, the unblock pole extends to in the slide rail.

Preferably, the brake rod is I-shaped, the top of the brake rod is triangular and has larger mass, the stretching rod is positioned on the front surface of the unlocking rod, and the inclined surface is arranged in the brake ring and between the two adjacent clamping grooves, so that the brake rod can conveniently slide along the inner side of the rotating ring, and the shell is prevented from being clamped.

Preferably, the sliding block extends into a sliding groove, the sliding groove is waist-shaped, and notches deviated to the outer side of the brake ring are arranged at openings on two sides of the connecting hole.

Preferably, the direction of the teeth of the rack is upward, the brake rod has certain elasticity, and the circumference of the gear does not exceed one fourth of the width of the pedal, so that the pedal only needs to slide for a short distance quickly, the gear can reach a specified rotating speed, and locking is realized.

Preferably, the top plate and the pedal plate are both connected with the base in a sliding mode, the side, opposite to the pedal plate, of the top plate is provided with the mounting sleeve, and a proper number of compression springs can be placed in the mounting sleeve according to self conditions.

The invention has the following beneficial effects:

1. this indoor track and field shank trainer, through the back installation rack at the step board, during the use, the sportsman's both feet are kicked repeatedly and are moved the step board, and the step board constantly slides from side to side on the base, and when the sportsman full power was released the step board and is exhausted suddenly, compression spring reset rapidly, promoted the step board and remove right, and the step board passes through the slide bar and drives the rack and slide right, and the rack passes through the quick anticlockwise rotation of gear drive dwang.

At the moment, the rotating speed of the rotating rod is too high, the brake rod extends out of the accommodating groove under the influence of centrifugal force, as shown in figures 8-9, the brake rod jacks the clamping rod to enter the clamping groove, and meanwhile, the brake rod is locked in the clamping groove through the clamping rod, so that the rotating rod and the gear are locked, and the rack and the pedal do not move.

The gear drives the dwang clockwise rotation and can reach the same effect, can prevent like this that the running-board from kick-backing rapidly when the sportsman is exhausted, and the extrusion collides the human body, leads to the sportsman to be injured, also can prevent simultaneously when the new people trains, can't master standard frequency, leads to the muscle to pull the wound because of the speed is too fast.

2. This indoor track and field shank trainer, through the back mounted handle at the curb plate, after the footboard is locked, the sportsman left between footboard and the backup plate, clockwise rotation handle, the handle drives the carousel and rotates, like fig. 15-16, promote the slider through the spout and drive the unblock pole to the direction of keeping away from the carousel centre of a circle and remove, the unblock pole promotes the crown plate and keeps away from the braking ring, draw in the connecting hole with the kelly through tensile pole and connecting rod like the crown plate, make the unblock brake lever, it drags the recovery inslot to be dragged the spring.

As shown in fig. 10, the rotating rod is unlocked, the gear is unlocked, the pedal is unlocked, the compression spring pushes the brake rod to reset, and the clamping grooves in the rotating groove are numerous and are also in the side plate, so that observation, operation and judgment are inconvenient, all clamping rods can be directly received into the connecting holes at the same time, and the brake rod is conveniently unlocked.

3. This indoor track and field shank trainer through with roof and kicking plate movable mounting on the base, when using like this, can be according to the length of sportsman's leg, come the position of roof and kicking plate to the backup plate through the screw rod, compression spring quantity between the while freely loading and unloading roof and kicking plate makes the device adaptation crowd wider, has improved the security.

Drawings

Fig. 1 is a schematic structural view of an indoor athletic field leg training device of the present invention.

FIG. 2 is a schematic view of a side plate of the leg training device of the indoor track and field.

FIG. 3 is a cross-sectional view of a side panel of the leg exercise apparatus of the indoor track and field of the present invention.

Fig. 4 is a side view of a side panel of the leg exercise apparatus structure of the indoor track and field.

Fig. 5 is an enlarged view of a portion of the structure of the leg training device of the indoor stadium of the present invention shown in fig. 4.

Fig. 6 is an enlarged view of a portion a of the structure of the leg training device for an indoor stadium of the present invention.

Fig. 7 is a cross-sectional view of the first state of the structural brake ring of the indoor athletics field leg exercise device of the present invention.

Fig. 8 is a cross-sectional view of the structural brake ring of the indoor stadium leg exercise device of the present invention in a second state.

Fig. 9 is a cross-sectional view of the brake ring of the indoor stadium leg exercise device configuration of the present invention in a third state.

Fig. 10 is a cross-sectional view of the fourth state of the structural brake ring of the indoor athletics leg trainer of the present invention.

Fig. 11 is a partially enlarged view of the leg training device of the indoor stadium of the present invention in fig. 7.

Fig. 12 is a partially enlarged view of the structure of the leg training device of the indoor stadium of the present invention shown in fig. 8.

Fig. 13 is a partially enlarged view of the structure of the leg training device of the indoor stadium of the present invention in fig. 9.

Fig. 14 is a partially enlarged view of the structure of the leg training device of the indoor stadium of the present invention shown in fig. 10.

Fig. 15 is a rear view of a first state of a rotating lever of the indoor athletic field leg training device structure of the present invention.

Fig. 16 is a rear view of a second state of the rotating lever of the indoor athletic field leg training device structure of the present invention.

Fig. 17 is a view showing an exploded view of the leg training device of the indoor stadium according to the present invention, fig. 15.

Fig. 18 is a partially enlarged view of the structure of the leg training device of the indoor stadium of fig. 15.

Fig. 19 is an enlarged view of a portion of the indoor stadium leg trainer structure 16 in accordance with the present invention.

Fig. 20 is a schematic view of the unlocking lever of the indoor athletic field leg training device structure of the present invention.

In the figure: 1-base, 1.1-backing plate, 1.2-pedal plate, 1.3-top plate, 1.4-compression spring, 1.5-mounting plate, 1.6-screw rod, 1.7-side plate, 2-sliding cavity, 3-braking cavity, 4-rack, 5-gear, 6-rotating rod, 7-containing groove, 8-pulling spring, 9-braking rod, 10-braking ring, 11-clamping groove, 12-connecting hole, 13-clamping rod, 14-connecting rod, 15-stretching rod, 16-ring plate, 17-unlocking rod, 18-sliding block, 19-handle, 20-rotating disk, 21-sliding groove, 22-through hole and 23-sliding rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-20, an indoor athletic field leg training device includes a base 1, a backup plate 1.1 and a mounting plate 1.5 are spliced on the top of the base 1, a screw rod 1.6 is inserted and arranged on the left side of the mounting plate 1.5, a screw hole corresponding to the screw rod is formed in the mounting plate 1.5, the right side of the screw rod 1.6 is connected with a top plate 1.3 through a bearing, the top plate 1.3 and a pedal plate 1.2 are both connected with the base 1 in a sliding manner, a mounting sleeve is arranged on one side of the top plate 1.3 opposite to the pedal plate 1.2, a proper number of compression springs 1.4 can be placed in the mounting sleeve according to self conditions, a compression spring 1.4 is movably mounted on the right side of the top plate 1.3, a pedal plate 12 is movably mounted on the right side of the compression spring 1.4, and a side plate.

The slide cavity 2 and the brake cavity 3 have been seted up to curb plate 1.7's inside, slide cavity 2 is located the front in brake cavity 3, the interior diapire sliding connection in slide cavity 2 has rack 4, the length in activity chamber 2 is the twice of rack 4 length, 4 tooth directions of rack are upwards, the top meshing of rack 4 has gear 5, the girth of gear 5 does not exceed the quarter of the 12 width of pedal, pedal 12 only needs the very short distance of quick slip like this, gear 5 just can reach appointed rotational speed, realize locking.

The back welding of gear 5 has the dwang 6 that extends to the inside of braking chamber 3, and the groove 7 of accomodating has been seted up in the outside of dwang 6, and the inner diapire welding of accomodating groove 7 has been dragged spring 8, and it keeps away from the one end fixedly connected with brake lever 9 of accomodating groove 7 groove diapire to drag spring 8, and the shape of brake lever 9 is the I shape, and the top of brake lever 9 is triangle-shaped, and the quality is great, and brake lever 9 has certain elasticity.

The inner front wall of the brake cavity 3 is welded with a brake ring 10, the brake ring 10 is sleeved outside the rotating rod 6, the back of the brake ring 10 is movably connected with a sliding rail, the part inside the brake ring 10 and between two adjacent clamping grooves 11 is provided with an inclined plane, so that the brake rod 9 can conveniently slide against the inner side of the rotating ring 10 to prevent clamping, the inner side of the brake ring 10 is provided with thirteen clamping grooves 11 which are uniformly distributed, a connecting hole 12 is arranged between two adjacent clamping grooves 11, two side openings of the connecting hole 12 are inserted with clamping rods 13, the inserting rods extend into the clamping grooves 11, one side opposite to the two corresponding clamping rods 13 is movably connected with a connecting rod 14, the connecting rod 14 is positioned in the connecting hole 12, two side openings of the connecting hole 12 are provided with a gap which is deviated to the outer side of the brake ring 10, one ends of the two connecting rods 14 in the same connecting hole 12, which are far away from, the stretching rod 15 is located the front of unblock pole 17, and the one end fixedly connected with crown plate 16 that stretching rod 15 kept away from connecting rod 14, the back fixedly connected with unblock pole 17 of crown plate 16, unblock pole 17 extend to the slide rail in, the back fixedly connected with slider 18 of unblock pole 17, and in slider 18 extended to spout 21, spout 21 was waist-shaped.

The back of the side plate 1.7 is provided with a handle 19 in an inserting way, the front of the handle 19 is fixedly connected with a turntable 20, the front of the turntable 20 is provided with a sliding groove 21, the front of the side plate 1.7 is provided with a through hole 22 communicated with the sliding cavity 2, the front of the rack 4 is fixedly connected with a sliding rod 23, and the sliding rod 23 penetrates through the through hole 22.

When the pedal device is used, a sportsman repeatedly pedals the pedal 1.2 with two feet, the pedal 1.2 continuously slides left and right on the base 1, when the sportsman pushes the pedal 1.2 out of the sudden force, the compression spring 1.4 is quickly reset to push the pedal 1.2 to move rightwards, the pedal 1.2 drives the rack 4 to slide rightwards through the sliding rod 23, and the rack 4 drives the rotating rod 6 to quickly rotate anticlockwise through the gear 5.

At this time, the rotating speed of the rotating rod 6 is too fast, the brake rod 9 extends out of the accommodating groove 7 under the influence of centrifugal force, as shown in fig. 8-9, the brake rod 9 pushes the clamping rod 13 open to enter the clamping groove 11, and simultaneously the brake rod 9 is locked in the clamping groove 11 through the clamping rod 13, so that the rotating rod 6 and the gear 5 are locked, and the rack 4 and the pedal plate 1.2 are not moved.

The same effect can be achieved by the gear 5 driving the rotating rod 6 to rotate clockwise.

When the pedal plate 1.2 is locked, the athlete leaves from between the pedal plate 1.2 and the backup plate 1.1, the handle 19 rotates clockwise, the handle 19 drives the rotating disc 20 to rotate, as shown in fig. 15-16, the sliding block 18 is pushed through the sliding groove 21 to drive the unlocking rod 17 to move towards the direction away from the circle center of the rotating disc 20, the unlocking rod 17 pushes the ring plate 16 to move away from the braking ring 10, as shown in fig. 16, the clamping rod 13 is pulled into the connecting hole 12 through the stretching rod 15 and the connecting rod 14, the braking rod 9 is unlocked, and the locking rod is pulled back into the accommodating groove 7 by the pulling spring 8.

As shown in fig. 7, the rotating rod 6 is unlocked, the gear 5 is unlocked, the pedal 1.2 is unlocked, and the compression spring 1.4 pushes the pedal to reset.

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 (9)

1. The utility model provides an indoor track and field shank trainer, includes curb plate (1.7), its characterized in that: the brake device is characterized in that a sliding cavity (2) and a brake cavity (3) are formed in the side plate (1.7), a rack (4) is connected to the inner bottom wall of the sliding cavity (2) in a sliding mode, a gear (5) is meshed with the top of the rack (4), a rotating rod (6) extending into the brake cavity (3) is fixedly connected to the back of the gear (5), a containing groove (7) is formed in the outer side of the rotating rod (6), a pulling spring (8) is fixedly connected to the inner bottom wall of the containing groove (7), a brake rod (9) is fixedly connected to one end, far away from the groove bottom wall of the containing groove (7), of the pulling spring (8), a brake ring (10) is fixedly connected to the inner front wall of the brake cavity (3), a clamping groove (11) is formed in the inner side of the brake ring (10), connecting holes (12) are formed between the clamping grooves (11), and clamping rods (13) are inserted into openings in, the corresponding two equal swing joint in one side that kelly (13) is relative has connecting rod (14), two the junction swing joint of connecting rod (14) has tensile pole (15), the one end fixedly connected with crown plate (16) of connecting rod (14) are kept away from in tensile pole (15), back fixedly connected with unblock pole (17) of crown plate (16), back fixedly connected with slider (18) of unblock pole (17), the back interlude of curb plate (1.7) is provided with handle (19), the positive fixedly connected with carousel (20) of handle (19), spout (21) have been seted up in the front of carousel (20), communicating through-hole (22) with slip chamber (2) have been seted up in the front of curb plate (1.7), the positive fixedly connected with slide bar (23) of rack (4).

2. The indoor athletics field leg training device of claim 1, wherein: the sliding cavity (2) is positioned on the front surface of the braking cavity (3), and the sliding rod (23) penetrates through the through hole (22).

3. The indoor athletics field leg training device of claim 1, wherein: the brake ring (10) is sleeved on the outer side of the rotating rod (6).

4. The indoor athletics field leg training device of claim 1, wherein: the back of the brake ring (10) is movably connected with a slide rail, and the unlocking rod (17) extends into the slide rail.

5. The indoor athletics field leg training device of claim 1, wherein: the brake rod (9) is I-shaped, and the top of the brake rod (9) is triangular.

6. The indoor athletics field leg training device of claim 1, wherein: the stretching rod (15) is positioned on the front surface of the unlocking rod (17).

7. The indoor athletics field leg training device of claim 1, wherein: an inclined plane is arranged in the brake rod (9) and between two adjacent clamping grooves (11).

8. The indoor athletics field leg training device of claim 1, wherein: the sliding block (18) extends into the sliding groove (21), and the sliding groove (21) is waist-shaped.

9. The indoor athletics field leg training device of claim 1, wherein: and notches deviated to the outer side of the brake ring (10) are arranged at openings at two sides of the connecting hole (12).

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