CN209752062U

CN209752062U - Portable sit-up training equipment

Info

Publication number: CN209752062U
Application number: CN201920376489.0U
Authority: CN
Inventors: 黄健; 骆娟; 黄敏
Original assignee: Chongqing Three Gorges University
Current assignee: Chongqing Three Gorges University
Priority date: 2019-03-22
Filing date: 2019-03-22
Publication date: 2019-12-10
Anticipated expiration: 2029-03-22

Abstract

The utility model discloses a portable sit-up trainer, which comprises a first flat plate, a second flat plate, a movable plate, an adjusting gear, a connecting rod and a foot rest, the first flat plate and the second flat plate are connected in a folded manner, one end of the second flat plate, far away from the first flat plate, is hinged with a foot rest, the foot rest is provided with a second hinged seat, the upper surface of the second flat plate is provided with a sliding groove, the movable plate is slidably arranged in the sliding groove, an adjusting gear is arranged in the sliding groove and is positioned right below the moving plate, a rack is arranged on one side of the moving plate facing the adjusting gear, the adjusting gear is meshed with the moving plate, one end of the moving plate close to the foot rest is hinged with the connecting rod, one end of the connecting rod far away from the moving plate is hinged with the second hinge seat, the movable plate moves in the sliding groove by rotating the adjusting gear, so that the connecting rod drives the foot rest to rotate. The utility model discloses simple structure through folding mode for training ware occupation space is little, conveniently carries.

Description

Portable sit-up training equipment

Technical Field

the utility model belongs to the technical field of sport equipment, concretely relates to portable sit up training equipment.

Background

The sit-up is a common body-building exercise, which mainly exercises the muscles of the waist and the abdomen, and because the legs are closed and straightened in the sit-up process and the body is slowly lifted and put down, the sit-up is difficult to finish without professional training or assistance of auxiliary personnel or auxiliary equipment; the existing special training apparatus for sit-up is generally expensive in price, complex in structure, large in occupied space and not easy to carry.

Therefore, how to solve the above technical problems becomes a focus of research by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

In order to achieve the above object, the utility model discloses a solution is: the utility model provides a portable sit-up training equipment, includes that first flat board, second are dull and stereotyped, movable plate, adjusting gear, connecting rod and foot lean on, but first flat board and second flat board fifty percent discount formula are connected, the one end that first flat board was kept away from to the second flat board articulates there is the foot to lean on, the foot is leaned on and is provided with the articulated seat of second, and the dull and stereotyped upper surface of second is provided with the spout, movable plate slidable mounting is in the spout the inside of spout is located the movable plate and is provided with adjusting gear under, and the movable plate is provided with the rack towards one side of adjusting gear, adjusting gear and movable plate meshing, the movable plate is close to the one end that the foot leaned on and articulates the connecting rod, the one end that the movable plate was kept away from to the connecting rod articulates in the articulated seat of second, makes the movable.

further, the upper surfaces of the first flat plate and the second flat plate are adhered with soft cushion layers.

Furthermore, one side of the first flat plate, which is far away from the second flat plate, is provided with a fixing buckle, one side of the second flat plate, which is far away from the first flat plate, is provided with a fixing hook, and the fixing buckle and the fixing hook are used for fixing the first flat plate and the second flat plate after folding.

Furthermore, a first pin hole is formed in the second flat plate, a positioning pin is inserted into the first pin hole, a second pin hole is formed in the moving plate, and the positioning pin is used for being inserted into the second pin hole when the moving plate moves to a position close to one end of the leg support, so that the leg support is guaranteed to be upright and does not topple over.

further, a fixing strap for fixing the thigh is arranged on the second flat plate.

The utility model has the advantages that:

1. The utility model discloses a rotate the adjusting gear for the engaged movable plate slides from side to side, and then drives the connecting rod and stimulates the foot to lean on the rotation, when using, expandes first flat board and second flat board, and the movable plate moves to be close to one side by the foot, and the foot is leaned on upright this moment, when not using, closes first flat board and second flat board and folds, and the movable plate moves to keep away from one side by the foot, and the foot is leaned on and keeps flat this moment, therefore, the utility model discloses simple structure, and the training ware is when not using, and occupation space is little, portable;

2. The soft cushion layer is adhered to the first flat plate and the second flat plate, so that the comfort during training is improved;

3. The first flat plate and the second flat plate are provided with the fixing buckle and the fixing hook which are matched with each other, so that the first flat plate and the second flat plate can be fixed and closed together when the trainer is not used, and the carrying is convenient;

4. The positioning pin can prevent the foot from rotating when the foot rest is used;

5. The thigh fixing belt is arranged, so that a trainer can be effectively assisted to keep a correct posture for training.

drawings

Fig. 1 is a front view of the present invention;

Fig. 2 is a top view of the present invention;

Fig. 3 is a side view of the present invention;

FIG. 4 is a schematic structural view of a second plate;

FIG. 5 is a schematic structural view of the moving plate;

FIG. 6 is a schematic structural view of a connecting rod;

FIG. 7 is a schematic view of the structure of the footrest;

FIG. 8 is a simplified diagram of the operation of the trainer with the shifting board positioned to the left of the second board;

FIG. 9 is a simplified diagram of the operation of the trainer with the shift plate positioned in the middle of the second plate;

FIG. 10 is a simplified diagram of the operation of the trainer when the shifting board is positioned to the right of the second board.

In the drawings: 1-a first flat plate, 2-a second flat plate, 3-a moving plate, 4-an adjusting gear, 5-a connecting rod, 6-a foot rest, 7-a first hinged seat, 8-a second hinged seat, 9-a sliding chute, 10-a lateral groove, 11-a lateral sliding block, 12-a rack, 13-a fixing belt, 14-a third hinged seat, 15-a rotating shaft, 16-an adjusting rotating handle, 17-a positioning pin, 18-a second pin hole, 19-a cushion layer, 20-a fixing buckle and 21-a fixing hook.

Detailed Description

The invention is further described below with reference to the accompanying drawings:

Example one

The utility model provides a portable sit-up training device, as shown in the attached figures 1 to 7, comprising a first plate 1, a second plate 2, a moving plate 3, an adjusting gear 4, a connecting rod 5 and a foot rest 6, wherein the first plate 1 and the second plate 2 are connected in a folded manner by a hinge (not shown in the figure), the upper surface of one end of the second plate 2 far away from the first plate 1 is integrally formed with a group of first hinging seats 7, the bottom of the foot rest 6 is hinged in the first hinging seats 7, the middle upper end of the foot rest 6 is integrally formed with a group of second hinging seats 8, the upper surface of the second plate 2 is processed with a sliding groove 9 extending along the long axis thereof, a lateral groove 10 is processed on the side surface of the sliding groove 9, lateral sliding blocks 11 are integrally formed on the front and back two side surfaces of the moving plate 3, the moving plate 3 is moved in the sliding groove 9 by installing the lateral sliding blocks 11 in the lateral groove 10, the upper surface of the moving block 3 is flush with the upper surface of the second flat plate 2; the lower surface integrated into one piece of movable plate 3 has along the rack 12 of the extension of movable plate 3 major axis the tank bottom upper surface mid-mounting of spout 9 has adjusting gear 4, and adjusting gear 4 meshes with rack 12, and concrete adjusting gear 4's mounting means does: shaft holes are processed on two side surfaces of the sliding groove 9 corresponding to the lateral groove 10, a rotating shaft 15 is rotatably mounted in each shaft hole, the adjusting gear 4 is fixedly mounted on the rotating shaft 15 in a key and key groove matching mode, the adjusting gear 4 is ensured to rotate along with the rotating shaft 15, one end of the rotating shaft 15 penetrates through the second flat plate 2 and extends outwards to form the second flat plate 2, and an adjusting rotating handle 16 is integrally formed on the part, extending out of the second flat plate 2, of the rotating shaft 15; a third hinge seat 14 is integrally formed on the upper surface of one end, close to the foot rest 6, of the movable plate 3, one end of the connecting rod 5 is hinged in the third hinge seat, and the other end of the connecting rod 5 is hinged in the second hinge seat 8.

The utility model discloses a theory of operation: when the training device is not used, referring to the attached drawing 8, the first flat plate 1 and the second flat plate 2 are folded and stacked together, at the moment, the moving plate 3 is positioned at the left end of the second flat plate 2, and the foot rest 6 is folded and folded on the upper surface of the second flat plate 2, so that when the training device is not used, the training device is in a folded and folded state, occupies a small space and is convenient to carry; when the sit-up training device is used, referring to fig. 9 and fig. 10, the first flat plate 1 and the second flat plate 2 are unfolded, the adjusting rotating handle 16 is rotated clockwise to drive the adjusting gear 4 to rotate, the adjusting gear 4 rotates to drive the moving plate 3 meshed with the adjusting gear to move rightwards, the connecting rod 5 gradually jacks up the foot rest 6 in the process that the moving plate 3 moves rightwards, and when the moving plate 3 moves to the right end of the second flat plate 2, the foot rest 6 is in an upright state, and at the moment, a person can lie on the first flat plate 1 and the second flat plate 2 to perform sit-up training; after the training is finished, the adjusting rotating handle 16 is rotated anticlockwise to drive the adjusting gear 4 to rotate, the adjusting gear 4 rotates to drive the moving plate 3 meshed with the adjusting gear to move leftwards, the connecting rod 5 gradually pulls the foot rest 6 downwards in the process that the moving plate 3 moves rightwards and leftwards, and when the moving plate 3 moves to the left end of the second flat plate 2, the foot rest 6 is folded and folded on the surface of the second flat plate 2. And finally, the first flat plate 1 and the second flat plate 2 are folded and collected, so that the user can easily take away the product.

When the training device is used, in order to avoid toppling of the footrest 6 in the training process, a first pin hole communicated with the sliding groove 9 is machined in the front face of the second flat plate 2, a positioning pin 17 is inserted into the first pin hole, a second pin hole 18 is machined in the front face of the right end of the moving plate 3, and the positioning pin 17 is inserted into the second pin hole 18 in the training process, so that the moving plate 3 can be prevented from sliding in the training process, and toppling of the footrest 6 is avoided.

example two

the utility model provides a portable sit-up training equipment, as shown in attached figure 1 to figure 10, except having all technical characteristics in the embodiment one, its difference point lies in: the upper surfaces of the first and second panels 1, 2 are adhered with a soft pad 19, which is designed to ensure the comfort of the trainer during training.

EXAMPLE III

The utility model provides a portable sit-up training equipment, as shown in attached figure 1 to figure 10, except having all technical characteristics in embodiment two, its difference point lies in: one side welding that the second is dull and stereotyped 2 is kept away from to first dull and stereotyped 1 has fixed knot 20, one side welding that first dull and stereotyped 1 is kept away from to second dull and stereotyped 2 has fixed hook 21, fixed knot 20 and fixed hook 21 are used for fixed folding first dull and stereotyped 1 and second dull and stereotyped 2, consequently when not using the training ware, hang fixed hook 21 with fixed knot 20, can be in the same place fixed closure of first dull and stereotyped 1 and second dull and stereotyped 2, avoid two blocks of flat boards to separate, consequently portable.

example four

The utility model provides a portable sit-up training equipment, as shown in figure 1 to figure 10, the difference point of this embodiment and embodiment three lies in: the second plate 2 is provided with a fixing belt 13 for fixing the thigh, and the fixing belt 13 is designed to fix the thigh when the trainer trains, so that the trainer is assisted to keep the correct training posture.

the present invention is not limited to the above-mentioned optional embodiments, and any person can obtain other forms of products under the teaching of the present invention, and any changes in the shape or structure of the product, all fall into the technical solution defined in the claims of the present invention, and all fall into the protection scope of the present invention.

Claims

1. The utility model provides a portable sit up training equipment which characterized in that: comprises a first flat plate (1), a second flat plate (2), a movable plate (3), an adjusting gear (4), a connecting rod (5) and a foot rest (6), wherein the first flat plate (1) and the second flat plate (2) can be connected in a folded manner, one end, away from the first flat plate (1), of the second flat plate (2) is hinged with the foot rest (6), a second hinged seat (8) is arranged on the foot rest (6), a sliding groove (9) is arranged on the upper surface of the second flat plate (2), the movable plate (3) is slidably mounted in the sliding groove (9), the adjusting gear (4) is arranged in the sliding groove (9) and is positioned under the movable plate (3), one side, facing the adjusting gear (4), of the movable plate (3) is provided with a rack (12), the adjusting gear (4) is meshed with the movable plate (3), one end, close to the foot rest (6), of the movable plate (3) is hinged with the connecting rod (5), one end, far away from the moving plate (3), of the connecting rod (5) is hinged to the second hinge seat (8), the moving plate (3) is moved in the sliding groove (9) by rotating the adjusting gear (4), and then the connecting rod (5) drives the foot rest (6) to rotate.

2. the portable sit-up training apparatus of claim 1, wherein: soft cushion layers (19) are adhered to the upper surfaces of the first flat plate (1) and the second flat plate (2).

3. The portable sit-up training apparatus of claim 1, wherein: one side of the first flat plate (1) far away from the second flat plate (2) is provided with a fixing buckle (20), one side of the second flat plate (2) far away from the first flat plate (1) is provided with a fixing hook (21), and the fixing buckle (20) and the fixing hook (21) are used for fixing the first flat plate (1) and the second flat plate (2) after folding in an involutory mode.

4. the portable sit-up training apparatus of claim 1, wherein: be provided with first pinhole on the second is dull and stereotyped (2), first pinhole interpolation is equipped with locating pin (17), be provided with second pinhole (18) on movable plate (3), locating pin (17) are used for inserting in second pinhole (18) when movable plate (3) move to being close to foot and lean on (6) one end, guarantee that foot leans on (6) upright, do not topple over.

5. The portable sit-up training apparatus of claim 1, wherein: the second flat plate (2) is provided with a fixing belt (13) for fixing thighs.