CN107261406A - A sit-up training device for sports - Google Patents

Abstract

A sit-up training device for sports mainly comprises a flat plate, wherein the bottom of the flat plate is provided with a supporting leg, the bottom of the supporting leg is provided with a roller, and the roller is provided with a braking device; when the training device is used, the flat plate moves through the supporting legs and the rollers at the bottom, so that a user can conveniently change the position, and the flat plate is limited and fixed through the braking device, so that smooth training is facilitated; the foot massage and health care functions are realized on the soles while the user does sit up, so that the use function is increased; the slider can be according to the user's of different statures adjusting position, and the back is laid down to the user, and the rubber arch can play amazing massage's effect to the acupuncture point of user's back, is favorable to user's healthy.

Description

A sit-up training device for sports

technical field

The invention relates to the field of sporting goods, in particular to a sit-up training device for sports.

Background technique

At present, in schools, sit-ups are a kind of training program often done in physical training, which can exercise the muscles of the waist and abdomen of the human body, and can also play a role in losing weight. General sit-ups training device, its structure usually only comprises a flat plate, is provided with the cross bar that is used for footstep hook at the end of flat plate, and the training device of this kind of structure can satisfy the demand of sit-ups training, but its structure is too Simple and single-function, it cannot satisfy the training of other parts of the body.

Contents of the invention

The object of the present invention is to provide a sit-up training device for sports that can not only satisfy the training of sit-ups, but also satisfy the training of back, foot and arm strength.

The technical solution of the present invention is: a sit-up training device for sports, its structure mainly includes a flat plate, the bottom of the flat plate is provided with legs, the bottom of the legs is provided with rollers, and the rollers are provided with moving device; the flat plate is provided with a pair of struts, the top of the struts is connected to the crossbar, the crossbar is screwed with adjusting bolts from top to bottom, and the bottom of the adjusting bolts and the arc-shaped rubber block Rotary riveting; the left end of the pole is provided with a foot massage device; the plate on the right side of the pole is provided with a slider, and the upper surface of the slider is provided with several rubber protrusions; A pair of pillars are vertically arranged on the flat plate on the right side of the slider, and the tops of the pillars are connected to a strut, and a suspension ring is connected to the strut through a spring.

The foot massage device includes a motor reducer, the motor shaft of the motor reducer is fixedly connected with the first pulley, a pair of brackets are arranged on the right side of the motor reducer, a crankshaft connecting rod is hinged between the brackets, and a section of the crankshaft connecting rod wears Out of the bracket and fixedly connected with the second pulley, the first pulley and the second pulley are connected by a V-belt; the curved part of the crankshaft connecting rod is hinged with the left end of the connecting rod, and the right end of the connecting rod is provided with a rubber ball; The connecting rod is embedded with a horizontal strip-shaped through hole, and a rotating shaft is inserted in the strip-shaped through hole, and the rotating shaft is hinged with the supports on both sides.

The slider is provided with fastening bolts for limiting.

The outer surface of the fastening bolt is provided with a rubber layer.

The rubber protrusions are in the shape of a convex semicircle as a whole.

The outer surface of the rubber protrusion is provided with a silk layer.

Beneficial effect

1. When in use, the tablet moves through the legs and rollers at the bottom, which is convenient for the user to change the position, and the brake device is used to limit and fix the tablet, which is conducive to the smooth progress of training; while the user is doing sit-ups, the The sole of the foot plays the role of massage and health care, which increases the use function; the slider can adjust the position according to users of different sizes. After the user lies down, the rubber protrusions can stimulate and massage the acupuncture points on the user's back. Beneficial to the health of users.

Description of drawings

Fig. 1 is a structural representation of the present invention;

Fig. 2 is the schematic diagram of the enlarged structure of the massaging device in Fig. 1;

Fig. 3 is a left view structural schematic diagram of the cooperation between the arc-shaped rubber block and the cross bar.

Description of reference signs: 1 flat plate, 2 legs, 21 rollers, 3 poles, 4 cross bars, 5 arc-shaped rubber blocks, 6 adjusting bolts, 7 foot massage device, 70 motor reducer, 700 first pulley, 71 V-belt, 72 bracket, 720 second pulley, 73 crankshaft connecting rod, 74 connecting rod, 740 rubber ball, 741 strip through hole, 75 support, 76 rotating shaft, 8 slider, 81 rubber protrusion, 82 fastening bolt , 9 pillars, 10 struts, 11 springs, 12 rings.

detailed description

As shown in Figures 1-3, a sit-up training device for sports, its structure mainly includes a flat plate, the bottom of the flat plate 1 described in 1 is provided with supporting legs 2, and the bottom of the supporting legs 2 is provided with rollers 21. The roller 21 is provided with a braking device (not shown in the figure). The brake device is a known technology, and its structure will not be repeated here. When in use, the flat plate can be moved by the legs and rollers at the bottom, which is convenient for the user to change the position, and the plate can be limited and fixed by the brake device, which is beneficial to the smooth progress of training.

The flat plate 1 is provided with a pair of struts 3, the tops of the struts 3 are connected to the cross bar 4, the cross bar 4 is screwed with an adjusting bolt 6 from top to bottom, and the bottom of the adjusting bolt 6 is connected to the bottom of the cross bar 4. The arc-shaped rubber block 5 is riveted in rotation. When in use, the cross bar can hook the user's ankle, and by rotating the adjusting bolt, the arc-shaped rubber block can be clamped at the user's ankle, which is beneficial to the fixation of the user's foot. Moreover, the rubber block is relatively soft, which increases the user's comfort.

The left end of the pole 3 is provided with a foot massage device 7 . When in use, the device can massage and protect the soles of the feet while the user is doing sit-ups, increases the use function, and solves the problem of relatively single functions.

A slide block 8 is sheathed on the plate 1 on the right side of the pole 3 , and several rubber protrusions 81 are provided on the upper surface of the slide block 8 . During use, the slider can adjust its position according to users of different statures. After the user lies down, the rubber protrusions can stimulate and massage the acupuncture points on the user's back, which is beneficial to the health of the user.

A pair of pillars 9 are vertically arranged on the flat plate 1 on the right side of the slider 8 , and the tops of the pillars 9 are connected to a strut 10 , and a suspension ring 12 is connected to the strut 10 through a spring 11 . When in use, when the user is tired from doing sit-ups, he can lie on the flat board and lift his hands up to pull the suspension ring, so as to exercise the arm strength.

The foot massage device 7 includes a motor reducer 70, the motor shaft of the motor reducer 70 is fixedly connected with the first pulley 700, a pair of brackets 72 are arranged on the right side of the motor reducer 70, and a crankshaft connecting rod is hinged between the brackets 72 73, one end of the crankshaft connecting rod 73 passes through the bracket 72 and is fixedly connected with the second pulley 720, the first pulley 700 and the second pulley 720 are connected by a V-belt 71; the curved part of the crankshaft connecting rod 73 is connected with the connecting rod The left end portion of 74 is hinged, and the right end portion of connecting rod 74 is provided with rubber ball 740; Described connecting rod 74 is embedded with horizontal bar-shaped through-hole 741, and rotating shaft 76 is inserted in the bar-shaped through-hole 741, and rotating shaft 76 and The bearings 75 on both sides are hinged. When in use, driven by the motor reducer, the rubber ball can be made to reciprocate left and right, so that the user's feet can be massaged.

The slider 8 is provided with fastening bolts 82 for positioning. When in use, after the slide block is adjusted according to users of different sizes, the slide block can be fixed and limited by fastening bolts, which is conducive to the smooth progress of training.

The outer surface of the fastening bolt 82 is provided with a rubber layer (not shown in the figure). When in use, the rubber layer can play an anti-skid role.

The rubber protrusion 81 is in the shape of a convex semicircle as a whole. It is beneficial to stimulate the user's back without causing damage.

The outer surface of the rubber protrusion 81 is provided with a silk layer (not shown in the figure). The silk layer can play an antibacterial and antibacterial effect.

The above-mentioned embodiments are only used to illustrate and explain the purpose of the present invention, rather than to limit the present invention. Those of ordinary skill in the art may make various changes or substitutions within the essential scope of the present invention, which shall also belong to the present invention. scope of protection for inventions.

Claims (6)

1. a sit-up training device for sports, its structure mainly comprises a flat board (1), is characterized in that: the bottom of described flat board (1) is provided with support leg (2), and described support leg (2) ) bottom is provided with roller (21), is provided with braking device on the roller; A pair of struts (3) are arranged on the described flat panel, and the top of described strut is connected cross bar (4) jointly, and described cross bar An adjustment bolt (6) is screwed from top to bottom, and the bottom of the adjustment bolt is riveted with the arc-shaped rubber block (5); the left end of the pole is provided with a foot massage device (7); A slider (8) is sleeved on the flat plate on the right side of the pole, and several rubber protrusions (81) are arranged on the upper surface of the slider; a pair of pillars are vertically arranged on the flat plate on the right side of the slider (9), the top of the pillar (9) is connected to a strut (10), and the strut (10) is connected with a suspension ring (12) through a spring (11). 2. a kind of sit-up training device for sports according to claim 1, is characterized in that: described foot massage device comprises motor speed reducer (70), and the motor shaft of motor speed reducer and the first belt pulley (700) ) is fixedly connected, a pair of brackets (72) are arranged on the right side of the motor reducer, and a crankshaft connecting rod (73) is hinged between the brackets, and a section of the crankshaft connecting rod passes through the bracket and is fixedly connected with the second pulley (720). The pulley and the second pulley are connected by a V-belt (71); the curved part of the crankshaft connecting rod is hinged to the left end of the connecting rod (74), and the right end of the connecting rod is provided with a rubber ball (740); Transverse strip through-holes (741) are embedded on the connecting rod, and a rotating shaft (76) is inserted in the strip-shaped through-hole, and the rotating shaft (76) is hinged with the supports (75) on both sides. 3. A sit-ups training device for sports according to claim 1, characterized in that: said slider (8) is provided with fastening bolts (82) for positioning. 4. A sit-up training device for sports according to claim 3, characterized in that: the outer surface of the fastening bolt (82) is provided with a rubber layer. 5 . The sit-up training device for sports according to claim 1 , characterized in that: the rubber protrusion ( 81 ) is in the shape of a convex semicircle as a whole. 6 . 6. A sit-up training device for sports according to claim 1, characterized in that: the outer surface of the rubber protrusion (81) is provided with a silk layer.