CN211885174U - Crunch trainer - Google Patents

Abstract

The utility model discloses a roll up abdomen training ware, including frame, foot rest, cushion frame, back frame, link gear, the foot rest articulate on the connecting seat of frame (1), the cushion articulated seat of cushion frame articulates on the cushion connecting hole of frame, the back articulated seat of back frame articulates on the back connecting hole of frame, is fixed with the back rocking arm on the back articulated seat; the linkage mechanism comprises a foot rest connecting rod, a swinging seat and a backrest connecting rod, the swinging seat is hinged to a swinging seat connecting hole of the base, a cushion rocker arm and a supporting arm are arranged on the swinging seat, one end of the foot rest connecting rod is hinged to a foot rest connecting hole of a foot rest, one end of the backrest connecting rod is hinged to the backrest rocker arm, and the other ends of the foot rest connecting rod and the backrest connecting rod are hinged to the cushion rocker arm. After adopting above-mentioned structure, have simple structure reasonable, operation convenient to use, action range is big, training time is long, advantage such as body-building effect is good.

Description

Crunch trainer

technical field

The utility model relates to the technical field of sports and fitness equipment, in particular to a crunch trainer for abdominal muscle training.

Background technique

With the development of society and the advancement of science and technology, people's quality of life and working conditions are getting better and better, social entertainment is increasing, and travel methods are gradually replaced by modern means of transportation. People's physical quality continues to decline, which has directly affected people's work energy and efficiency. In order to improve physical fitness and facilitate fitness training, various sports and fitness equipment with different fitness functions have emerged. For example, the supine board is one of the training devices for abdominal muscle strength training. The purpose of training abdominal muscles is also an essential fitness equipment in bodybuilding training.

However, the existing supine board has the following shortcomings in the use process: the abdominal muscles cannot be fully taken into account, and the training effect on the upper abdominal muscles during the supine training process is relatively large, and the training effect on the lower abdominal muscles is poor. , not to achieve the desired fitness effect. Although there is a training method of lying on the carpet or mat with the buttocks raised when training the abdominal muscles, but beginners cannot synchronize when training with the two heads raised, and it is difficult to perform systematic training for a long time during training. Currently, there is a lack of a training method. Synchronized training equipment for upper and lower limbs. For this reason, many manufacturers and people of insight have developed and trial-manufactured for the above-mentioned problems, but so far there is no ideal product available.

SUMMARY OF THE INVENTION

In order to overcome the above-mentioned deficiencies in the prior art, the purpose of the present invention is to provide a crunch trainer with simple and reasonable structure, convenient operation and use, large range of motion, long training time and good fitness effect.

The technical scheme adopted by the utility model to solve the technical problem includes a machine base, a tripod, a cushion frame, a backrest frame and a linkage mechanism, the tripod is hinged on the connecting seat at the front of the base, and the cushion frame is located on the machine base. Above the seat, the seat cushion hinge seat on the rear side is hinged on the seat cushion connection hole of the machine base, the backrest hinge seat at the front of the backrest frame is hinged on the backrest connection hole at the rear of the base, and the backrest hinged seat is fixed with a backrest rocker arm. The linkage mechanism includes a tripod connecting rod, a swing seat and a backrest connecting rod, the swing seat is hinged on the connecting hole of the swing seat of the machine base, and the swing seat is correspondingly provided with a cushion rocker arm and a support matched with the front part of the seat cushion frame One end of the tripod link is hinged on the tripod connecting hole of the tripod, one end of the backrest link is hinged on the backrest rocker arm, and the other ends of the tripod link and the backrest link are hinged on the cushion rocker at the same time.

In a further scheme of the utility model, the tripod is provided with a rubber cotton footrest with adjustable height, the seat cushion is fixed on the seat cushion frame, and the backrest is fixed on the backrest frame.

In a further solution of the utility model, left and right handrails are correspondingly provided on both sides of the rear part of the backrest frame.

In a further solution of the utility model, the support arm of the swing seat is provided with a roller which is rollingly matched with the seat cushion frame, and the machine seat is provided with a limiter matched with the seat cushion frame.

In a further solution of the utility model, the backrest frame is fixed with supporting feet.

Compared with the prior art, the above structure has the following advantages and effects: First, the structure is simple, the operation and use are convenient, and the upper body, the lower body and the buttocks can be driven to raise the abdominal muscles synchronously to train the abdominal muscles. It will sway left and right or roll over, and the stretching range and intensity can be adjusted according to physical fitness, and you can perform step-by-step training to achieve the best fitness training effect. The second is that the height of the collodion foot rest can be adjusted according to the requirements of different heights to adapt to the height requirements of different trainers.

Description of drawings

Figure 1 is a schematic diagram of the exploded structure of the utility model.

FIG. 2 is a schematic three-dimensional structure diagram of the utility model in the initial state.

FIG. 3 is a schematic front view of the structure of the utility model in the initial state.

FIG. 4 is a schematic diagram of the three-dimensional structure of the present invention in a training state.

FIG. 5 is a schematic diagram of the front view structure of the utility model in a training state.

Among them, 1 base, 2 connecting base, 3 cushion rocker arm, 4 tripod link, 5 tripod connecting hole, 6 seat cushion frame, 7 seat cushion, 8 tripod, 9 rubber cotton footrest, 10 armrest, 11 backrest frame, 12 Backrest, 13 Backrest hinge seat, 14 Backrest rocker arm, 15 Seat cushion hinge seat, 16 Backrest connection hole, 17 Seat cushion connection hole, 18 Backrest link, 19 Support arm, 20 Swing seat, 21 Swing seat connection hole, 22 Limit pieces, 23 feet, 24 rollers.

Detailed ways

1 to 5, it is a specific embodiment of the abdominal curling machine of the present invention, which includes a machine base 1, a tripod 8, a cushion frame 6, a backrest frame 11, and a linkage mechanism, and the tripod 8 passes through the pins. It is hinged on the connecting seat 2 at the front of the machine base 1, the seat cushion frame 6 is located above the machine base 1, the seat cushion hinge seat 15 on the rear side is hinged to the seat cushion connecting hole 17 of the machine base 1 through pins, and the front part of the backrest frame 11 The backrest hinge seat 13 is hinged on the backrest connecting hole 16 at the rear of the machine base 1 through a pin, and a backrest rocker arm 14 is fixed on the backrest hinge seat 13; the linkage mechanism includes a tripod link 4, a swing seat 20, a backrest The connecting rod 18 and the swing seat 20 are hinged on the connecting hole 21 of the swing seat of the machine base 1 through pins. The swing seat 20 is correspondingly provided with a cushion rocker arm 3 and a support arm 19 that cooperates with the front part of the seat cushion frame 6, and the tripod link One end of 4 is hinged on the tripod connecting hole 5 of the tripod 8 through a pin, one end of the backrest link 18 is hinged on the backrest rocker arm 14 through a pin, and the other ends of the tripod link 4 and the backrest link 18 are simultaneously connected by a pin. It is hinged on the rocker arm 3 of the seat cushion; the foot frame 8 is provided with a rubber cotton foot support 9 with adjustable height, the seat cushion 7 is fixed on the seat cushion frame 6, and the backrest 12 is fixed on the backrest frame 11; the backrest frame 11 The left and right handrails 10 are correspondingly arranged on both sides of the rear of the device.

In order to reduce the frictional resistance of the movement, the support arm 19 of the swing seat 20 is provided with a roller 24 that rolls with the seat cushion frame 6 . Limiting member 22 .

In order to keep the backrest 12 stable, the support feet 23 are fixed on the backrest frame 11 .

The working process of the utility model is as follows: the trainer's buttocks sit on the seat cushion 7, then lie flat on the backrest 12, then hold the left and right handrails 10 with both hands, lift both feet and hook them on the rubber cotton footrest 9, when training When the upper body lifts up with force, the backrest frame 11 is driven to rotate around the base 1. When the backrest frame 11 rotates, the backrest link 18 is pulled by the backrest rocker arm 14, and the backrest link 18 drives the swing seat 20 to rotate through the cushion rocker arm 3. The swing seat 20 Through the roller 24 on the support arm 19, the seat cushion 7 is lifted up, and at the same time, the tripod link 4 connected with the seat cushion rocker arm 3 is used to pull the tripod 8 and the rubber cotton foot support 9 up, so as to realize the upper body and lower body. The purpose of lifting the abdominal muscles synchronously with the hips, trainers can perform step-by-step training according to their physical fitness during the training process to achieve the best fitness training effect.

The above is only an embodiment of the present invention, and does not limit the present invention in any form. On the basis of not departing from the technical solution of the present invention, any simple modifications, equivalent changes or modifications made are all within the scope of the present invention. The scope of protection of the utility model.

Claims (5)

1. A tummy tuck trainer, comprising a machine base (1), a tripod (8), a cushion frame (6), a backrest frame (11), a linkage mechanism, characterized in that: the tripod (8) is hinged On the connecting seat (2) at the front of the machine base (1), the seat cushion frame (6) is located above the machine base (1), and the seat cushion hinge seat (15) on the rear side is hinged to the seat cushion connection of the machine base (1). On the hole (17), the backrest hinge seat (13) at the front of the backrest frame (11) is hinged on the backrest connecting hole (16) at the rear of the machine base (1), and the backrest hinged seat (13) is fixed with a backrest rocker arm (14); the linkage mechanism includes a tripod connecting rod (4), a swing seat (20), a backrest connecting rod (18), and the swing seat (20) is hinged to the swing seat connecting hole (21) of the machine base (1). ), a cushion rocker arm (3) and a support arm (19) matched with the front part of the cushion frame (6) are correspondingly provided on the swing seat (20), and one end of the tripod link (4) is hinged to the tripod (8). ), one end of the backrest link (18) is hinged on the backrest rocker arm (14), and the other ends of the tripod link (4) and the backrest link (18) are hinged on the seat cushion at the same time on the rocker arm (3). 2. The abdominal crunch trainer according to claim 1, characterized in that: said tripod (8) is provided with a rubber cotton footrest (9) with adjustable height, and a cushion is fixed on the cushion frame (6). (7), a backrest (12) is fixed on the backrest frame (11). 3. The abdominal crunch trainer according to claim 1 or 2, characterized in that: left and right handrails (10) are correspondingly provided on both sides of the rear part of the backrest frame (11). 4. The abdominal crunch trainer according to claim 3, characterized in that: the support arm (19) of the swing seat (20) is provided with a roller (24) that rolls with the seat cushion frame (6). (1) There is a limiter (22) matched with the seat cushion frame (6). 5. The abdominal crunch trainer according to claim 4, characterized in that: the backrest frame (11) is fixed with support feet (23).

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