CN2523463Y - Sits-ups exercisers - Google Patents

Abstract

The utility model discloses a sit-up exerciser. The exerciser has a main body, which has a hollow prism-shaped structure and is formed by connecting three plates of an A plate (1), a B plate (2) and a C plate (3), wherein, two joints of the three plates are connected by a hinge (4). The B plate (2) is provided with a pin clamp (5). A top end of a backside of the c plate (3) is provided with a group of concaved slots (6) used for fixing the A plate (1). The utility model has the advantages of simple structure, low cost and achieves a sing type and simplicity of the sit-up exercise.

Description

The sit-up exercise device

Affiliated technical field

The utility model relates to the physical training equipment, is specifically related to the sit-up exercise device.

Background technology

Traditional sit-up exercise method is to be undertaken by the both feet that other people press the person taking exercise, and that existing body-building apparatus with sit-up exercise function accounts at area is big, and cost is high, is unfavorable for promoting.

Summary of the invention

The purpose of this utility model is: design a kind of sit-up exercise device, for the person taking exercise provides flexible, easy exercise apparatus, can carry out sit-up exercise in any occasion, realize singleization, easy.

Technical solution of the present utility model is: this exerciser main body is hollow triangulo column structure, be formed by connecting by three blocks of plates, wherein two joints are that hinge connects, and place bottom top, the back side of playing that piece plate of a palm effect that one group of concave lacking groove is arranged, and a pin card is arranged on another piece plate.

Description of drawings

Fig. 1 is the utility model cross-sectional view

Among the figure: 1a plate, 2b plate, 3c plate, 4 hinges, 5 pin cards, 6 concave lacking grooves.

The specific embodiment

As shown in Figure 1, the main body of this exerciser is hollow triangulo column structure, by three same widths, the a plate 1 of different length, b plate 2, c plate 3 is formed by connecting, wherein two joints of three blocks of plates are that hinge 4 connects, the angle that makes every two boards plane is free adjustment within the specific limits, the middle front part of a middle b plate 2 has a pin card 5 to make things convenient for person taking exercise's both feet fixing, pin card 5 is T-shape, the lower end of " T " is fixed on the b plate 2, the two ends of " T " slightly are inclined upwardly and outwards stretch, the slot part of " T " and distance between plates are from adjustable user with convenient different builds, a Chang c plate 3 places bottom rising to support two blocks of a plates 1 in addition in use slightly, the effect of b plate 2, there is one group of concave lacking groove 6 on its top, back side, is used for fixing the angle between a plate 1 and the energy adjustable plate.

Three blocks of plates are adjusted to certain angle, a plate 1 top is stuck in the concave lacking groove 6 at c plate 3 back sides and fixes, and the user lies on the back, thigh, bound feet ride over respectively on a plate, the b plate, and ankle is stuck in the pin card 5, just can carry out sit-up exercise, three plates are collapsible when not using.

The utility model is simple in structure, and is with low cost, and motion is convenient, realizes singleization, the easy of sit-up exercise.

Claims (2)

1, sit-up exercise device is characterized in that: this exerciser main body is hollow triangulo column structure, is formed by connecting by three blocks of plate a plates (1), b plate (2), c plate (3), and the joint of three blocks of plates has hinge (4), b plate (2) to go up connection one pin card (5).

2, sit-up exercise device according to claim 1 is characterized in that: c plate (3) top, the back side has one group of concave lacking groove (6) to be used for fixing a plate (1).