Cervical vertebra protective sit-up exercise device
Technical field
The present invention relates to a kind of sit-ups Special training device tool, specifically a kind of cervical vertebra protective sit-up exercise
Device.
Background technology
Sit-ups are, to waist, the very effective exercising way in belly position, can to make to be certainly by sit-ups training
Oneself stature is more perfect, in order to improve training effect, has occurred in that on market diversified dedicated for sit-ups
Exercising device, although being performed physical exercise using exercising device can play supplemental training, so as to reach improve training effect mesh
, but when being performed physical exercise using traditional sit-up trainer material, it usually needs both hands embrace head, and forward cervical traction drives
Body kinematics, in the process, on the one hand, existing exercising device neck supporting plate is all in use fixed, this nothing
Doubting can cause to damage to cervical vertebra, and another further aspect waist inanition equally causes to a certain degree to damage, in addition a side without support to waist
Face, existing exercising device can only temper waist, belly position and can not temper pectoralis major so that single function.
The content of the invention
The technical problem to be solved in the present invention is to provide one kind and is not only able to protect cervical vertebra and waist, additionally it is possible to temper chest big
The cervical vertebra protective sit-up exercise device of flesh.
Lie to solve above-mentioned technical problem, the cervical vertebra protective sit-up exercise device of the present invention, including horizontally disposed master
Grillage, is arranged on the leg fixing end of main service creeper frame rear end, and the front end of main service creeper frame is hinged with one can be past around pin joint
The dynamic upper body supporting board carriage of physical pendulum, is provided with slidable adjustment structure on upper body supporting board carriage, set on upper body supporting board carriage
The neck hook plate for being pressed over trainer's neck shoulders is equipped with, neck hook plate can pass through upper body supporting board carriage
Slidable adjustment structure in the range of sliding distance before and after move back and forth, so as to match the trainer of different heights and in training process
In make neck hook plate slidably remain at the neck shoulders of trainer.
The upper body supporting board carriage is a pipe, and the lower end of the pipe is hinged on main service creeper frame by rotating shaft,
The slidable adjustment structure is the top shoe being enclosed within upper body supporting board carriage, and the neck hook plate is arranged on by top shoe
On upper body supporting board carriage.
Neck hook plate is movably arranged on upper body supporting board carriage and can swing on upper body supporting board carriage.
The neck hook plate includes the fixed plate being fixedly connected with top shoe and is arranged on solid by rotating shaft and bearing
Portable plate in fixed board, the portable plate can be rotated along rotating shaft opposing fixed plate.
The bottom of the upper body supporting board carriage arranges one piece of waist that can be moved back and forth on upper body supporting board carriage
Supporting plate.
Pectoralis major exerciser is installed with the upper body supporting board carriage, the pectoralis major exerciser includes main
Frame, the opening slot being connected on main support and the pivoted arm for being connected to main support both sides, the main support passes through opening slot
It is fixedly mounted on upper body supporting board carriage, roller is provided with the main support, is provided between the main support and pivoted arm
The elastic drag rope being wound on roller.
The cavernous body matched with shoulder neck and lumbar curve, the head are fixedly installed on the neck hook plate and waist plate
The side two ends of neck hook plate are provided with handle.
The hip point of the main service creeper frame is provided with buttocks plate, and rotating shaft, the stern are provided with the middle part of the buttocks plate
Bearing is installed between the rotating shaft of portion's plate and main service creeper frame.
The fastening screw that can be positioned main service creeper frame and buttocks plate is set between the main service creeper frame and buttocks plate.
After using above-mentioned structure, due to the upper body supporting board carriage being hinged on main service creeper frame for arranging and by cunning
Dynamic adjustment structure is arranged on the neck hook plate on upper body supporting board carriage, thus enables neck hook plate pass through upper body supporting plate
The slidable adjustment structure of bracing frame is moved in the range of sliding distance along linear reciprocation, so as to match the training of different heights
Person, meets the use requirement of various different height trainers, at the same time makes neck hook plate in the training process slidably
Remain at the neck shoulders of trainer, it is to avoid cervical vertebra can be caused to damage, in addition, the waist plate for arranging is protected
Waist is injury-free, furthermore, the pectoralis major exerciser of setting can temper pectoralis major, work(while waist, belly position is tempered
Can be complete.
Description of the drawings
Fig. 1 is the structural representation of cervical vertebra protective sit-up exercise device of the present invention;
Fig. 2 is the structural representation of pectoralis major exerciser in the present invention.
Specific embodiment
With reference to the accompanying drawings and detailed description, the cervical vertebra protective sit-up exercise device of the present invention is made further in detail
Explanation.
As illustrated, the cervical vertebra protective sit-up exercise device of the present invention, including horizontally disposed main service creeper frame 1, it is arranged on
The leg fixing end 2 of main service creeper frame rear end, the front end of main service creeper frame 1 is hinged with upper body supporting board carriage 3, upper body supporting board carriage
3 can be provided with slidable adjustment structure on pin joint reciprocally swinging, upper body supporting board carriage 3, on upper body supporting board carriage 3
The neck hook plate 4 for being pressed over trainer's neck shoulders is provided with, neck hook plate 4 is movably arranged on upper body supporting plate
Can swing on support 3 and on upper body supporting board carriage 3, neck hook plate 4 can pass through upper body supporting board carriage
Slidable adjustment structure in the range of sliding distance before and after move back and forth, so as to match the trainer of different heights and in training process
In make neck hook plate 4 slidably remain at the neck shoulders of trainer.
Further, described upper body supporting board carriage 3 is a pipe, and the lower end of pipe is hinged on master and lies by rotating shaft
On grillage 1, slidable adjustment structure is the top shoe 5 being enclosed within upper body supporting board carriage 3, and neck hook plate 4 is pacified by top shoe 5
It is mounted on upper body supporting board carriage 3, neck hook plate 4 reciprocating linear can slide under the drive of top shoe.
Yet further, described neck hook plate 4 includes the fixed plate 6 being fixedly connected with top shoe 5 and by turning
Axle and bearing are arranged on the portable plate 7 in fixed plate, and fixed plate 6 can in front and back be moved back and forth under the drive of top shoe, activity
Plate 7 can be rotated along rotating shaft opposing fixed plate, hence in so that neck hook plate 4 can reciprocatingly slide along upper body supporting board carriage and
Rotate.
Yet further, it is cased with being located at the sliding block 16 of the bottom of upper body supporting board carriage 3 on upper body supporting board carriage 3, under
One piece of waist plate 8 that can be moved back and forth on upper body supporting board carriage, neck hook plate 4 and waist support are provided with slide block
The cavernous body matched with shoulder neck and lumbar curve is fixedly installed on plate 8, the side two ends of neck hook plate 4 are provided with handle 9, it is main
The hip point of service creeper frame 1 is provided with buttocks plate 10, and the middle part of buttocks plate 10 is provided with rotating shaft, and the rotating shaft of buttocks plate 10 and master lie
Bearing is installed, arranging between main service creeper frame 1 and buttocks plate 10 can be positioned on main service creeper frame and buttocks plate between grillage 1
Fastening screw.
Yet further, pectoralis major exerciser, pectoralis major exerciser are installed with described upper body supporting board carriage 3
Including main support 11, the opening slot 12 being connected on main support and the pivoted arm 13 for being connected to main support both sides, main support 11
It is fixedly mounted on upper body supporting board carriage 3 by opening slot, roller 14, the He of the main support 11 is provided with main support 11
The elastic drag rope 15 being wound on roller 14 is provided between pivoted arm 13.