CN100566778C - Self-weight type force training device - Google Patents

Abstract

The present invention proposes a self-weight type strength training device, which belongs to training equipment, and is characterized in that the frame is a door-shaped frame, and a lifting seat plate with guide groove plates at both ends is slid between the inner sides of the left and right columns. The sub-plates are fixed on the outer surface of the middle and lower sections of the right column, and holes are symmetrically and evenly distributed on the left and right columns and the sub-plates, and the pulley shafts with threaded end sections are symmetrically threaded in the holes and tightened with nuts or bolts. Install bearings on the pulley shaft, install bearing caps with small pulleys on the bearings, install positioning pins and bolts evenly on the side of the small pulleys, and install large pulleys on the positioning pins and bolts; on the left and right small pulleys The upper section of the pull-down rope is fixedly installed and wound respectively, and the lower end section of the pull-down rope is correspondingly fixedly installed on the lifting seat plate. The two sections correspond to the two ends of the connecting rod, and strength training is carried out by self-weight. The training force can be adjusted freely, which is safe and reliable.

Description

self weight strength trainer

technical field

The invention belongs to training equipment, in particular to a strength training device.

Background technique

Nowadays, in order to strengthen the body and prolong life, strength training has become increasingly popular. The commonly used training equipment ranges from stone locks, stone shoulders, dumbbells, and bells to exercises that rely on counterweights, friction, or electromagnetic forces. Although there are many types of body equipment, the weights of stone locks, stone shoulders, dumbbells, and bells are relatively fixed, and cannot be changed and adjusted at will. The body-training apparatuses with additional loads such as frictional force or electromagnetic force have a complicated structure, are expensive, and are not easy to popularize.

Contents of the invention

The purpose of the present invention is to propose a self-weight type strength training device, which is not only simple in structure, but also the strength of training is suitable for each person, the size is adjustable, safe and reliable in use, and easy to popularize.

The object of the present invention is achieved like this: a kind of self-weight type strength training device, frame is gantry frame, and the left and right upright column of this frame can be the trapezoidal column of circular column or trough column or band rib, The plane of the bottom plate of the frame extends outwards to expand the contact surface with the ground and increase the anti-tilting moment; slide the lifting seat plates with guide grooves at the left and right ends between the inner sides of the left and right columns, and the guide grooves The groove surface of the plate corresponds to the shape of the column, and it is located in the middle and lower parts of the left and right columns. The sub-plates are fixed on the outer surfaces of the left and right columns, and the holes are symmetrically and evenly distributed on the left and right columns and the sub-plates. , located on the inner side of the left and right columns, symmetrically wear the pulley shafts with threaded end sections in the holes of the left and right columns and tighten them with nuts or bolts. The installation position of the pulley shafts can be changed. When the threaded section is an external thread When the threaded section is an internal thread, tighten and fix it with bolts, install a bearing on the pulley shaft, and install a bearing cap with a small pulley on the bearing. The small pulley can be made into an axial stepped multi-groove combination wheel; Positioning pins and bolts are evenly distributed on the sides of the left and right small pulleys, and large pulleys are installed on the positioning pins and bolts; the size of the large pulleys can be changed, and the large pulleys can be made into axially stepped multi-groove combined wheels , at the same time, fixedly install and wind the upper sections of the left and right pulleys respectively on the left and right small pulleys, and the lower end sections of the left and right pulleys are correspondingly fixedly installed on the lifting seat plate, and on the left and right large pulleys The upper section is fixedly installed and wound with the lower sections of the left and right upper stay ropes, and the upper end sections of the left and right upper stay ropes are respectively corresponding to the two ends of the connecting rods. The output torque relationship changes the size of the force that needs to be applied, that is, the size of the exercise load; the weight of the exercise load is formed by using the body's own weight; when in use, the person stands on the lifting seat board and holds the pull rod with both hands for lifting or lifting The action drives the left and right upper pulleys to go up and at the same time makes the left and right big pulleys rotate, and the left and right big pulleys rotate at the same time to make the left and right small pulleys rotate synchronously. The human hands generate lifting force to perform strength training. When the human hands are relaxed, the seat board is raised and lowered by gravity and the person resets. Repeat the above actions and carry out strength training by self-weight. The amount of exercise can be changed by changing the left and right pulleys. Choose the appropriate hole to wear the pulley shaft to adapt to the height of the person; the training force can be adjusted freely, which is safe and reliable.

The self-weight type strength training device proposed by the present invention has a simple structure, the training strength is suitable for each person, the size is adjustable, the use is safe and reliable, and it is easy to popularize. .

The self-weight strength training device proposed by the present invention will be further described below in conjunction with the accompanying drawings and embodiments.

Description of drawings

Fig. 1 is a schematic front view of the self-weight type strength training device proposed by the present invention.

Fig. 2 is a schematic cross-sectional view of A-A in Fig. 1 .

In Figure 1: 1. Rack 2. Upright column 3. Pull rod 4. Upper pull rope 5. Large pulley 6. Pulley shaft 7. Small pulley 8. Pull down rope 9. Guide groove plate 10. Lifting seat plate

In Figure 2: 11, bearing 12, sub-plate

Detailed ways

As can be seen from Fig. 1 and Fig. 2: a self-weight type strength training device is characterized in that the frame 1 is a portal frame, and the left and right columns 2 of the frame 1 can be circular columns or grooved columns or A trapezoidal column with ribs, the plane of the bottom plate of the frame 1 extends outward to expand the contact surface with the ground and increase the anti-tilting moment; slide between the inner sides of the left and right columns 2 with guides at the left and right ends The lifting seat plate 10 of the slot plate 9, the groove surface of the guide slot plate 9 corresponds to the shape of the column 2, is located in the middle and lower sections of the left and right columns 2, and the sub-plates are fixed on the outer surfaces of the left and right columns 2 12. Drill holes symmetrically and uniformly on the left and right columns 2 and sub-plates 12, and be located on the inner side of the left and right columns 2. In the holes of the left and right columns 2 and the sub-plates 12, the slides with threaded end sections are symmetrically worn. Wheel shaft 6 is tightened and fixed with nuts or bolts. The installation position of pulley shaft 6 is changeable. When the threaded section is an external thread, it is fixed with a nut. When the threaded section is an internal thread, it is fixed with a bolt. Bearing 11, the bearing cover with small pulley 7 is installed on bearing 11, and small pulley 7 can be made into the axial stepped multi-groove combination wheel; Locating pins and bolts are evenly distributed on the sides of left and right small pulleys 7, The left and right large pulleys 5 are correspondingly installed on the positioning pins and bolts; 7, respectively fixedly installed and wound the upper section of the left and right pull-down ropes 8, the lower end sections of the left and right pull-down ropes 8 are correspondingly fixedly installed on the lifting seat plate 10, and then fixedly installed respectively on the left and right large pulleys 5 and Wind the lower section of the left and right upper stay cords 4, and the upper end sections of the left and right upper stay cords 4 correspond to the two ends of the connecting rods 3 respectively. The output torque relationship, thereby changing the size of the force to be applied, that is, the size of the exercise load, and using the weight of the human body to form the counterweight of the exercise load; when in use, the person stands on the lifting seat plate 10, and holds the pull rod 3 with both hands for lifting or lifting Lifting action, drive the left and right upper pulleys 4 to go up, and at the same time make the left and right big pulleys 5 rotate, while the left and right big pulleys 5 rotate, make the left and right small pulleys 7 synchronously rotate, and the left and right small pulleys 7 wind and pull down line 8 and make the lifting seat board 10 rise together with the person, so that the hands of the person generate lifting force to perform strength training. When the hands of the person relax, the lifting seat board 10 and the person are reset by the action of gravity. Repeat the above actions, relying on their own weight Carry out strength training, change left and right large pulley 5 and can change amount of exercise, select suitable hole to wear pulley shaft 6 to adapt to people's height, the power of training can be freely adjusted, safe and reliable.

Claims (3)

1. A self-weight type strength training device is characterized in that: A, the frame (1) is a gantry frame, and the left and right columns (2) of the frame (1) are circular columns or grooved columns or trapezoidal columns with ribbed plates, and the bottom plate of the frame (1) The plane is extended outward to expand the contact surface with the ground and increase the anti-overturning moment; b. Slide the lifting seat plate (10) with the guide groove plate (9) at the left and right ends between the inner sides of the left and right columns (2), the groove surface of the guide groove plate (9) and the column (2) corresponding to the shape; c. The sub-plates (12) are fixed on the outer surfaces of the middle and lower parts of the left and right columns (2), and the holes are symmetrically and evenly distributed on the left and right columns (2) and the sub-plates (12). (6) Located inside the left and right columns (2), symmetrically wear the pulley shafts (6) with threaded end sections in the holes of the left and right columns (2) and sub-plates (12) and tighten and fix them with nuts or bolts , tighten and fix with nuts when the threaded section is an external thread, tighten and fix with a bolt when the threaded section is an internal thread, install the bearing (11) on the pulley shaft (6), and install the belt small pulley (7) on the bearing (11) ) bearing cover, on the side of the left and right small pulleys (7) evenly distribute positioning pins and bolts, correspondingly install the left and right big pulleys (5) on this positioning pins and bolts; d, on the left and right small pulleys (7) fixedly install and wind the upper section of the left and right pull-down ropes (8) respectively, and the lower end sections of the left and right pull-down ropes (8) are correspondingly fixedly installed on the lifting seat plate (10 ), on the left and right large pulleys (5) respectively fixedly install and wind the lower sections of the left and right upper stay ropes (4), and the upper end sections of the left and right upper stay ropes (4) are respectively connected to the pull rods (3) both ends of e, the installation position of the pulley shaft (6) is changeable; f. The size of the big pulley (5) is interchangeable; g, through the radius change of the large pulley (5) and the small pulley (7) fixed on the same axis, the torque relationship between input and output changes the size of the force that needs to be applied, that is, the size of the exercise load; h. Utilize the weight of the human body to form the counterweight of the exercise load. 2. The self-weight strength training device according to claim 1, characterized in that the small pulley (7) is made into an axial stepped multi-groove combination wheel. 3. The self-weight strength training device according to claim 1, characterized in that the large pulley (5) is made into an axial stepped multi-groove combination wheel.

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