CN108671483B - Physical training instrument of drawing abdomen of lying on back - Google Patents

Abstract

The invention discloses a supine abdomen-tightening apparatus for physical exercise, which comprises a lying bed, a semicircular arc-shaped column movably arranged on the lying bed, a transmission unit installed on the lying bed, and a lying bed mounted on the lying bed. For the leg pressing unit on the bed, an annular groove is opened on the arc-shaped column, and two through grooves for the arc-shaped column to pass are opened on the lying bed, and a groove for the sliding of the annular groove is arranged in one of the through grooves. the first fixed shaft, and the lying bed is also provided with a second fixed shaft for the sliding of the annular groove. The equipment simulates the bending state of the human body lying on the back through the arc column, and uses the leg pressing unit to keep the training legs stable, thereby ensuring the training effect. In the process of pressing the legs, the training intensity can be changed at the same time, which greatly improves the training effect and efficiency.

Description

A kind of supine abdomen tightening apparatus for physical exercise

technical field

The invention relates to a supine abdominal tightening device for physical exercise.

Background technique

Supine abdomen is a necessary exercise item in physical education. Supine abdomen exercise will use supine abdomen equipment. At present, the existing supine abdomen equipment is fixed and cannot be adjusted. It only provides a platform for lying down. The form and function are single, and it can only be exercised in a single way, and it is impossible to make corresponding changes for different training requirements. The trainer can only increase the training intensity by increasing the number of training, the training efficiency is affected, and the training is not comprehensive enough. poor effect.

Contents of the invention

In view of the above-mentioned technical deficiencies, the object of the present invention is to provide a supine abdomen retraction apparatus for physical exercise, which can change the training intensity while performing leg presses during the supine abdomen retraction training.

In order to solve the problems of the technologies described above, the present invention adopts the following technical solutions:

The present invention provides a supine abdomen tightening apparatus for physical exercise, which includes a lying bed, a semicircular arc-shaped column movably arranged on the lying bed, a transmission unit installed on the lying bed, and a The leg pressing unit, the arc-shaped column is provided with an annular groove, and the lying bed is provided with two through grooves for the arc-shaped column to pass through, and one of the through grooves is provided with an The first fixed shaft, the bed is also provided with a second fixed shaft for the sliding of the annular groove;

The transmission unit includes a first rotating shaft rotatably arranged on the lying bed, a second rotating shaft rotatably arranged on the lying bed, and a third rotating shaft rotatably arranged on the lying bed. The three rotating shafts are located directly above the second fixed shaft, and the middle part of the third rotating shaft is provided with a driving cylindrical gear that rotates coaxially with the third rotating shaft, and the corresponding arc column is provided with a The tooth grooves meshed with cylindrical gears. Two active bevel gears coaxially rotating with the third rotating shaft are arranged on both sides of the driving cylindrical gear, and one end of the first rotating shaft is provided with one of the driving The first driven bevel gear meshed with the bevel gear, one end of the second rotating shaft is provided with a second driven bevel gear meshed with another driving bevel gear; the first rotating shaft and the second rotating shaft The first driven cylindrical gear and the second driven cylindrical gear with the same structure are respectively arranged on the top, and the distance between the first driven cylindrical gear and the first driven bevel gear is larger than that of the second driven cylindrical gear. The distance between the gear and the second driven bevel gear, and the bed is also provided with supporting columns for the rotation of the first rotating shaft and the second rotating shaft;

The leg pressing unit includes a first L-shaped bar slidably arranged on the lying bed and a second L-shaped bar slidably arranged on the lying bed, and the corresponding lying bed is provided with a A chute through which the L-shaped rod and the second L-shaped rod slide, the first L-shaped rod is provided with a telescopic hole for the expansion and contraction of the second L-shaped rod, and the first L-shaped rod is provided with A first tooth rack meshed with the first driven cylindrical gear, a second tooth rack meshed with the second driven cylindrical gear is provided on the second L-shaped rod; the first L-shaped A movable first push plate is disposed on the rod, a movable second push plate is disposed on the second L-shaped rod, and a spring is disposed on both the first push plate and the second push plate.

Preferably, the first L-shaped bar and the second L-shaped bar are respectively provided with a first boss and a second boss, and the corresponding sliding groove is opened for the first boss and the second boss. The limiting slot for the sliding of the second boss

Preferably, the first push plate and the second push plate are provided with T-shaped bosses, and the corresponding first L-shaped bar and the second L-shaped bar are provided with T-shaped bosses. T-groove for table sliding.

Preferably, two handles are symmetrically arranged on the end of the arc-shaped column away from the chute.

The beneficial effect of the present invention is that: the apparatus simulates the bending state of the human body lying on the back to hold the abdomen through the arc-shaped column, and uses the leg pressing unit to keep the training legs stable, thereby ensuring the effect of training; at the same time, the transmission unit is used to drive the leg pressing unit The action makes it possible to change the training intensity while pressing the legs during the training process, which greatly improves the training effect and efficiency.

Description of drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only These are some embodiments of the present invention. Those skilled in the art can also obtain other drawings based on these drawings without creative work.

Fig. 1 is the front view of a kind of supine abdomen tightening apparatus for physical exercise provided by the embodiment of the present invention;

Fig. 2 is a side view of the front view of a supine abdominal tightening apparatus for physical exercise provided by an embodiment of the present invention;

Fig. 3 is the structural representation of transmission unit;

Fig. 4 is a structural schematic diagram of the leg pressing unit.

Description of reference signs: 1-lying bed, 11-chute, 12-pass groove, 13-support column, 14-first fixed shaft, 15-second fixed shaft, 2-arc column, 21-ring groove, 22-handle, 3-spring, 41-first rotating shaft, 411-first driven bevel gear, 412-first driven cylindrical gear, 42-second rotating shaft, 421-second driven bevel gear, 422-the first Two driven cylindrical gears, 43-third rotating shaft, 431-driving cylindrical gear, 432-driving bevel gear, 51-first L-shaped rod, 511-first boss, 512-first push plate, 513-first Rack, 52-the second L-shaped bar, 521-the second boss, 522-the second push plate, 523-the second rack.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

As shown in Fig. 1 to Fig. 4, a kind of supine abdomen tightening apparatus for physical exercise includes a lying bed 1, a semi-circular arc-shaped column 2 movably arranged on the lying bed 1, and a transmission device installed on the lying bed 1. unit and the leg pressing unit installed on the lying bed 1, the arc column 2 is provided with an annular groove 21, and the lying bed 1 is provided with two through grooves 12 for the arc column 2 to pass through, and one of the through grooves 12 A first fixed shaft 14 for sliding the annular groove 21 is provided, and a second fixed shaft 15 for sliding the annular groove 21 is also provided on the lying bed 1;

The transmission unit includes a first rotating shaft 41 rotatably arranged on the lying bed 1 , a second rotating shaft 42 rotatably arranged on the lying bed 1 , and a third rotating shaft 43 rotatably arranged on the lying bed 1 . The rotating shaft 43 is located directly above the second fixed shaft 15, and the middle part of the third rotating shaft 43 is provided with a driving cylindrical gear 431 coaxially rotating with the third rotating shaft 43, and the corresponding arc-shaped column 2 is provided with a driving cylindrical gear 431 meshing The two sides of the driving cylindrical gear 431 are respectively provided with two driving bevel gears 432 coaxially rotating with the third rotating shaft 43, and one end of the first rotating shaft 41 is provided with a first driving bevel gear 432 meshing with one of them. The driven bevel gear 411, one end of the second rotating shaft 42 is provided with the second driven bevel gear 421 meshed with another driving bevel gear 432; the first rotating shaft 41 and the second rotating shaft 42 are respectively provided with first The driven cylindrical gear 412 and the second driven cylindrical gear 422, the distance between the first driven cylindrical gear 412 and the first driven bevel gear 411 is greater than the distance between the second driven cylindrical gear 422 and the second driven bevel gear 421 The distance between them is greater than the thickness of the first driven cylindrical gear 412. This arrangement enables the first driven cylindrical gear 412 and the second driven cylindrical gear 422 to be arranged in a staggered position. There is a supporting column 13 for the rotation of the first rotating shaft 41 and the second rotating shaft 42, and the supporting column 13 ensures the stability of the first rotating shaft 41 and the second rotating shaft 42;

The leg pressing unit comprises a first L-shaped bar 51 slidably arranged on the lying bed 1 and a second L-shaped bar 52 slidably arranged on the lying bed 1 , and a first L-shaped bar 52 is provided on the corresponding lying bed 1 . Type bar 51 and the chute 11 that the second L-shaped bar 52 slides, the first L-shaped bar 51 is provided with the expansion and contraction hole for the second L-shaped bar 52, the first L-shaped bar 51 is provided with the first slave The first rack 513 that is engaged with the driven cylindrical gear 412, the second L-shaped bar 52 is provided with the second rack 523 that is engaged with the second driven cylindrical gear 422; the first L-shaped bar 51 is provided with a movable The second L-shaped bar 52 is provided with a movable second push plate 522 , and the first push plate 512 and the second push plate 522 are both provided with a spring 3 . Wherein the lying bed 1 is supported by six legs, and the six legs are divided into three groups, and the second fixed shaft 15 and the third rotating shaft 43 are all installed on the legs of the middle group.

The first L-shaped bar 51 and the second L-shaped bar 52 are respectively provided with a first boss 511 and a second boss 521, and the corresponding chute 11 is provided with a slide for the first boss 511 and the second boss 521 to slide. The limiting groove is set so that the first L-shaped bar 51 and the second L-shaped bar 52 can only slide along the chute 11, thereby ensuring the stable meshing of the rack and the gear.

The first push plate 512 and the second push plate 522 are provided with a T-shaped boss, and the corresponding first L-shaped bar 51 and the second L-shaped bar 52 are provided with a T-shaped groove for the T-shaped boss to slide.

Two handles 22 are symmetrically arranged on the end of the arc-shaped column 2 away from the slide groove 11 .

Wherein the installation method of two driving bevel gears 432 is installed opposite to each other. As shown in Figure 3, the end faces of the driving bevel gears 432 with teeth are far away from the driving cylindrical gear 431. The L-shaped bar 51 and the second L-shaped bar 52 move towards each other, and then when getting up, the spring 3 is compressed; in addition, the installation method of the spring 3 is fixed by bolts.

When in use, the initial state of the instrument is that the handle 22 is attached to the lying bed 1, the first L-shaped bar 51 is nested on the second L-shaped bar 52, and the first L-shaped bar 51 and the second L-shaped bar 52 respectively abut against each other. Close to the two ends of the chute 11;

When training, the trainer lies flat on the lying bed 1, inserts both legs under the first L-shaped bar 51 and the second L-shaped bar 52, limits the up and down movement of both legs, and selects the spring 3 of corresponding elastic force simultaneously, will The first push plate 512 and the second push plate 522 are pressed against the legs, and then the handle 22 is held with both hands to carry out abdominal training in the supine position. During the movement of the arc column 2, the arc column 2 has the handle 22 When one end rises, the arc column 2 drives the driving cylindrical gear 431 to rotate. At this time, the driving cylindrical gear 431 and the arc column 2 rotate in the same direction, so that the driving bevel gear 432 drives the first driven bevel gear 411 and the second driven bevel gear 411. The bevel gear 421 rotates, and finally the first L-shaped bar 51 and the second L-shaped bar 52 move toward each other, and then the spring 3 gradually compresses the legs, making the posture of the legs more stable. At the same time, the elastic force of the spring 3 gradually increases , it will react with the arc column 2, so that the trainer needs to increase physical strength to further improve the arc column 2, and then realize the increase of training intensity.

The apparatus in the present invention simulates the bending state of the human body lying on the back to hold the abdomen through the arc-shaped column, and uses the leg pressing unit to keep the trained legs stable, thereby ensuring the effect of training. At the same time, the transmission unit is used to drive the action of the leg pressing unit, During the training process, the training intensity can be changed while pressing the legs, which greatly improves the training effect and efficiency.

Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalent technologies, the present invention also intends to include these modifications and variations.

Claims (3)

1. A physical training supine abdomen contracting apparatus is characterized by comprising a lying bed, a semicircular arc-shaped column movably arranged on the lying bed, a transmission unit arranged on the lying bed and a leg pressing unit arranged on the lying bed, wherein the arc-shaped column is provided with an annular groove, the lying bed is provided with two through grooves for the arc-shaped column to pass through, one of the through grooves is internally provided with a first fixed shaft for the annular groove to slide, and the lying bed is also provided with a second fixed shaft for the annular groove to slide;

The transmission unit comprises a first rotating shaft which can be rotatably arranged on the lying bed, a second rotating shaft which can be rotatably arranged on the lying bed and a third rotating shaft which can be rotatably arranged on the lying bed, the third rotating shaft is positioned right above the second fixing shaft, a driving cylindrical gear which coaxially rotates with the third rotating shaft is arranged in the middle of the third rotating shaft, a tooth groove which is meshed with the driving cylindrical gear is arranged on the corresponding arc column, two driving bevel gears which coaxially rotate with the third rotating shaft are respectively arranged on two sides of the driving cylindrical gear, a first driven bevel gear which is meshed with one of the driving bevel gears is arranged at one end of the first rotating shaft, and a second driven bevel gear which is meshed with the other driving bevel gear is arranged at one end of the second rotating shaft; a first driven cylindrical gear and a second driven cylindrical gear which are identical in structure are respectively arranged on the first rotating shaft and the second rotating shaft, the distance between the first driven cylindrical gear and the first driven bevel gear is larger than the distance between the second driven cylindrical gear and the second driven bevel gear, the distance difference is larger than the thickness of the first driven cylindrical gear, and supporting columns for the first rotating shaft and the second rotating shaft to rotate are respectively arranged on the lying bed;

The leg pressing unit comprises a first L-shaped rod and a second L-shaped rod, the first L-shaped rod can be slidably arranged on the lying bed, a sliding groove for the first L-shaped rod and the second L-shaped rod to slide is formed in the corresponding lying bed, two handles are symmetrically arranged at the end parts, far away from the sliding groove, of the arc-shaped columns, the cross section of the first L-shaped rod is larger than that of the second L-shaped rod, a telescopic hole for the second L-shaped rod to stretch is formed in the position, corresponding to the second L-shaped rod, of the first L-shaped rod, a first rack meshed with the first driven cylindrical gear is arranged on the first L-shaped rod, and a second rack meshed with the second driven cylindrical gear is arranged on the second L-shaped rod; be provided with the first push pedal that can remove on the first L type pole, be provided with the second push pedal that can remove on the second L type pole, first push pedal with all be provided with the spring in the second push pedal, the arc post is kept away from the tip symmetry of spout is provided with two handles.

2. The physical exercise supine abdomen contracting apparatus of claim 1, wherein the first L-shaped bar and the second L-shaped bar are respectively provided with a first boss and a second boss, and the corresponding sliding slot is provided with a limiting slot for the first boss and the second boss to slide.

3. the physical exercise supine abdomen contracting apparatus of claim 1 or 2, wherein the first push plate and the second push plate are provided with T-shaped bosses, and the corresponding first L-shaped bar and the corresponding second L-shaped bar are provided with T-shaped grooves for the T-shaped bosses to slide.