CN214485495U - Sit-up training equipment - Google Patents

Abstract

The utility model discloses a sit-up training device, which belongs to the technical field of training devices and comprises a lying plate, wherein a plurality of support rods are fixedly connected with the lower side wall of the lying plate, two U-shaped gear blocks are fixedly connected with the upper side wall of the lying plate, a plurality of evenly distributed clamping grooves are respectively drilled on the inner walls of the right sides of the two U-shaped gear blocks, two inserting rods are inserted into the left side wall of the U-shaped gear block, the right ends of the two inserting rods are respectively and fixedly connected with a same spring plate, a tension spring is fixedly connected between the spring plate and the U-shaped gear block, one end of the two inserting rods positioned inside the U-shaped gear block is fixedly connected with a same pressing plate, a press foot plate is inserted into one of the clamping grooves and is contacted with the pressing plate, two sliding grooves are drilled on the lying plate, sliding blocks are respectively and slidably connected onto the two sliding grooves, the foot and the leg of a human body can be fixed, and the sit-up training device can be suitable for people with different heights and body types, is convenient for people to train.

Description

Sit-up training equipment

Technical Field

The utility model relates to a training apparatus technical field, more specifically say, relate to a sit up training equipment.

Background

Training equipment, the collective name of various instrument materials used for military training. Including simple training equipment (convenient training equipment) and standard training equipment. The device is divided into a manual operation device and an automatic device according to the principle and the technical perfection degree; dividing into universal equipment and special equipment for military and military training according to the application range; it is divided into technical training equipment and tactical training equipment according to the purpose.

Sit-up, a way to exercise the body. Supine, closing the legs, lifting the hands, contracting the abdominal muscles, swinging the arms forward to quickly get a sitting posture, continuing the forward bending of the upper body, touching the foot surface with the hands, and lowering the head; then returning to the sitting position, and the operation is continued.

However, the existing sit-up training equipment has single function, only has the function of blocking feet, and cannot fix the feet and legs, so that the sit-up training equipment is provided.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

To the problem that exists among the prior art, the utility model aims to provide a sit up training equipment, it can realize fixing human foot and shank, can be suitable for the crowd of different heights and size simultaneously, and the people of being convenient for train.

2. Technical scheme

In order to solve the above problems, the utility model adopts the following technical proposal.

The utility model provides a sit-up training equipment, includes the service creeper, a plurality of bracing pieces of lateral wall fixedly connected with under the service creeper, two U-shaped gear pieces of lateral wall fixedly connected with on the service creeper, two the draw-in groove that U-shaped gear piece right side inner wall all excavated has a plurality of evenly distributed, the grafting has two inserted bars, two to U-shaped gear piece left side wall the same spring board of the equal fixedly connected with of inserted bar right-hand member, fixedly connected with extension spring, two between spring board and the U-shaped gear piece the inserted bar is located the same clamp plate of U-shaped gear piece inside one end fixedly connected with, one of them it has the presser foot board to peg graft on the draw-in groove, and presser foot board and clamp plate contact, and it can realize fixing human foot portion and shank, can be suitable for the crowd of different heights and size simultaneously, and the people of being convenient for train.

Further, it has two spouts, two to cut on the service creeper equal sliding connection has the slider on the spout, threaded connection has the threaded rod on the slider, two threaded rod upper end all rotates and is connected with same leg pressing board, the service creeper is located the spout downside and has been cut the spout and have with threaded rod assorted slide opening, and the threaded rod runs through the slide opening setting, the threaded rod is located service creeper downside threaded connection has the thread bush, can carry out the compaction to different heights and size crowds' shank, and the people of being convenient for train.

Furthermore, the upper end of the threaded sleeve is fixedly connected with the anti-slip pad, so that friction force is increased, and the threaded sleeve is prevented from sliding in the training process.

Furthermore, the inner walls of the lower sides of the foot pressing plates and the leg pressing plates are fixedly connected with sponge pads, so that the comfort of feet and legs of people during training is enhanced.

Furthermore, the center of the lying plate protrudes upwards to form an arc-shaped structure, so that the training difficulty is enhanced properly, and the training effect is better.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages of:

(1) this scheme can realize fixing human foot and shank, can be suitable for the crowd of different heights and sizes simultaneously, and the people of being convenient for train.

(2) Two spouts are dug on the service creeper, equal sliding connection has the slider on two spouts, and threaded connection has the threaded rod on the slider, and two threaded rod upper ends are all rotated and are connected with same leg pressing board, and the service creeper is located the spout below and is dug have with threaded rod assorted slide opening, and the threaded rod runs through the slide opening setting, and the threaded rod is located service creeper downside threaded connection has the thread bush, can carry out the compaction to different heights and size crowd's shank, and the people of being convenient for train.

(3) The anti-slip mat is fixedly connected to the upper end of the threaded sleeve, so that friction force is increased, and the threaded sleeve is prevented from sliding in the training process.

(4) The inner walls of the lower sides of the leg pressing plates and the leg pressing plates are fixedly connected with sponge cushions, so that the comfort of feet and legs of people in training is enhanced.

(5) The center of the lying plate protrudes upwards to form an arc-shaped structure, so that the training difficulty is enhanced properly, and the training effect is better.

Drawings

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

FIG. 2 is an enlarged view taken at A in FIG. 1;

FIG. 3 is an enlarged view at B of FIG. 1;

FIG. 4 is a side view of the U-shaped shift block;

fig. 5 is a side view of the leg pressing plate.

The reference numbers in the figures illustrate:

the device comprises a lying plate 1, a supporting rod 2, an extension spring 3, a U-shaped gear block 4, a clamping groove 5, an inserting rod 6, a spring plate 7, a pressing plate 8, a leg pressing plate 9, a sliding groove 10, a sliding block 11, a threaded rod 12, a leg pressing plate 13, a sliding hole 14 and a threaded sleeve 15.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1:

referring to fig. 1-5, a sit-up training device comprises a lying plate 1, wherein a plurality of support rods 2 are fixedly connected to the lower side wall of the lying plate 1, and the center of the lying plate 1 protrudes upwards to form an arc-shaped structure, so that the training difficulty is properly enhanced, and the training effect is better. Two U-shaped gear pieces 4 of lateral wall fixedly connected with on 1 service creeper, the draw-in groove 5 that has a plurality of evenly distributed is all dug to two 4 right side inner walls of U-shaped gear piece, 4 left side walls of U-shaped gear piece are pegged graft and are had two inserted bars 6, the same spring board 7 of the equal fixedly connected with of 6 right-hand members of two inserted bars, fixedly connected with extension spring 3 between spring board 7 and the U-shaped gear piece 4, two inserted bars 6 are located the same clamp plate 8 of the inside one end fixedly connected with of U-shaped gear piece 4, it has presser foot board 9 to peg graft on one of them draw-in groove 5, and presser foot board 9 contacts with clamp plate 8, it can realize fixing human foot portion and shank, can be suitable for the crowd of different heights and sizes simultaneously, the people of being convenient for train.

Referring to fig. 1-3, two sliding grooves 10 are cut on the lying plate 1, sliding blocks 11 are connected to the two sliding grooves 10 in a sliding mode, threaded rods 12 are connected to the sliding blocks 11 in a threaded mode, the upper ends of the two threaded rods 12 are connected with a leg pressing plate 13 in a rotating mode, sponge pads are fixedly connected to the inner walls of the lower sides of the leg pressing plate 13 and the foot pressing plate 9, and comfort of feet and legs of people during training is improved. The creeper 1 is located spout 10 downside and has been opened chisel have with threaded rod 12 assorted slide opening 14, and threaded rod 12 runs through slide opening 14 and sets up, and threaded rod 12 is located 1 downside threaded connection of creeper has the thread bush 15, and thread bush 15 upper end fixedly connected with slipmat has increased frictional force, avoids causing the thread bush 15 to slide at the in-process of training. Can carry out the compaction to different heights and size crowds' shank, the people of being convenient for train.

The working principle is as follows: this device is when using, at first, the user places the foot in presser foot board 9 below, when the height that needs transfer presser foot board 9 pushed down the foot, the user takes to move and promotes presser foot board 9 for outside presser foot board 9 pushes away to draw-in groove 5, then transfer the height of presser foot board 9 and insert corresponding draw-in groove 5 with presser foot board 9 in, under extension spring 3's restoring force, make clamp plate 8 support and keep off presser foot board 9.

When needs transfer leg pressing board 13 and push down the shank, at first the user pushes away and draws leg pressing board 13, makes it place at the comparatively comfortable position of shank, then through rotating threaded rod 12 for leg pressing board 13 descends, until pushing down the shank, then rotates thread bush 15, can be fixed leg pressing board 13 after thread bush 15 and service creeper 1 contact, and this device can realize fixing human foot and shank, can be suitable for the crowd of different heights and sizes simultaneously, the people of being convenient for train.

The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.

Claims (5)

1. The utility model provides a sit-up training equipment, includes service creeper (1), its characterized in that: the utility model discloses a novel support device for the wall of lying board, including lying board (1), lateral wall fixedly connected with a plurality of bracing pieces (2) under lying board (1), two U-shaped gear piece (4) right side inner wall all excavates draw-in groove (5) that have a plurality of evenly distributed, it has two inserted bars (6), two to peg graft to U-shaped gear piece (4) left side wall fixedly connected with two inserted bars (6) two the same spring board (7) of the equal fixedly connected with of inserted bar (6) right-hand member, fixedly connected with extension spring (3) between spring board (7) and U-shaped gear piece (4), two inserted bar (6) are located the same clamp plate (8) of the inside one end fixedly connected with of U-shaped gear piece (4), one of them the draw-in groove (5) is gone up to peg graft and is had pressure foot board (9), and pressure foot board (9) contact with clamp plate (8).

2. A sit-up training apparatus according to claim 1, wherein: dig on service creeper (1) and have two spout (10), two equal sliding connection has slider (11) on spout (10), threaded connection has threaded rod (12) on slider (11), two threaded rod (12) upper end is all rotated and is connected with same leg pressing board (13), service creeper (1) lie in spout (10) downside and dig have with threaded rod (12) assorted slide opening (14), and threaded rod (12) run through slide opening (14) and set up, threaded rod (12) lie in service creeper (1) downside threaded connection have thread bush (15).

3. A sit-up training apparatus according to claim 2, wherein: the upper end of the threaded sleeve (15) is fixedly connected with an anti-skid pad.

4. A sit-up training apparatus according to claim 1, wherein: and sponge cushions are fixedly connected to the inner walls of the lower sides of the foot pressing plates (9) and the leg pressing plates (13).

5. A sit-up training apparatus according to claim 1, wherein: the center of the lying plate (1) protrudes upwards to form an arc-shaped structure.

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