A training device for sit-ups

Abstract

The invention provides a sit-up training device which comprises a front support rod and a main support rod, wherein the top end of the main support rod is connected with the front support rod in a foldable manner; guide rods are arranged at the two sides of the upper end of the main support rod; an assistance mechanism used for completing sit-up is arranged on the guide rods, and comprises a movable rod, a first tension spring, a sliding rod assembly and a reset assembly; the lower end of the movable rod is hinged to a connecting seat; the connecting seat is glidingly arranged on the guide rod; one end of the first tension spring is detachably connected with the guide rod at one side, near the front support rod, of the movable rod; the other end of the first tension spring is connected with the movable rod; a plurality of connecting holes used for regulating the connecting position of the first tension spring are formed in the movable rod; and the sliding rod assembly is glidingly arranged on the movable rod. The assistance mechanism is glidingly arranged on the guide rod, so that a trainee can conveniently regulate the position of the assistance mechanism according to self requirements; the sit-up training device is suitable for the trainees with different body heights; and through the unfolding and folding of the assistance mechanism, the trainees can conveniently select whether to be assisted or not according to the self requirements.

Description

technical field [0001] The invention relates to the technical field of sports equipment, in particular to a training device for sit-ups. Background technique [0002] Sit-ups are a common way of exercising, which can exercise people's waist, back, abdomen and other positions. Existing sit-up fitness equipment is mainly divided into two types. Action, the other is to set up auxiliary devices to assist the exerciser to complete the action of sit-ups, which is conducive to the exercise of the first exerciser, the older person or other trainers with sit-up difficulties, but the existing sit-up training Most of the equipment is a single training method. If the exercise can only be completed with auxiliary equipment, when the exerciser adapts to the training intensity and needs to complete the exercise by himself, he needs to purchase additional training equipment. In addition, the existing sit-up trainer has problems such as a single exercise method. [0003] CN207913118U discl...

AI Technical Summary

Problems solved by technology

[0002] Sit-ups are a common way of exercising, which can exercise people's waist, back, abdomen and other positions. Existing sit-up fitness equipment is mainly divided into two types. Action, the other is to set up auxiliary devices to assist the exerciser to complete the action of sit-ups, which is conducive to the exercise of the first exerciser, the older person or other trainers with sit-up difficulties, but the existing sit-up training The equipment is mostly a single training method. If the exercise can only be completed with auxiliary equipment, when the exerciser adapts to the training intensity and needs to complete the exercise by himself, he needs to purchase additional training equipment.

In addition, existing sit-up trainers have problems such as single exercise methods

[0003] CN207913118U discloses a multifunctional sit-up board waist beautifying machine, an H-shaped slideway is set under the sit-up board, the H-type slideway is provided with a sliding seat through the rollers, and connecting rods are provided on both sides of the slide seat, and the sit-up There is a kneeling pad above the seat board, one end of the kneeling pad is hinged to the corresponding connection, and the other end is detachably connected to the corresponding connecting rod through the pin shaft, which can be used for sit-up exercise and roller coaster waist exercise, but the above actions require The exerciser completes it by himself, and there is no auxiliary device to assist those with movement difficulties to exercise

However, the position of the movable section is fixed and cannot be adjusted according to the height of the user. If the height is low and the movable section is too far behind, its auxiliary effect is limited; and when the exerciser adapts to the training intensity and can complete the action by himself, The auxiliary function of the activity section cannot be cancelled; the exercise method is single, if you need to perform roller coaster waist exercise and leg exercise, you need to purchase additional equipment

[0005] In addition, when the existing sit-up board is folded, it is necessary to unscrew the connecting bolts between the front support rod and the main support rod, fold the front support rod and the main support rod in half, and then fix them with the connecting bolts. trouble

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