CN112870640A

CN112870640A - Primary abdomen strengthening equipment

Info

Publication number: CN112870640A
Application number: CN202110046852.4A
Authority: CN
Inventors: 王响东
Original assignee: 王响东
Current assignee: Shanghai Feiren Network Technology Co.,Ltd.
Priority date: 2021-01-14
Filing date: 2021-01-14
Publication date: 2021-06-01
Anticipated expiration: 2041-01-14
Also published as: CN112870640B

Abstract

The invention discloses primary abdomen strengthening equipment which comprises a flat plate embedded on the ground, wherein a central groove and two inclined grooves are formed in the upper end of the flat plate, the two inclined grooves are symmetrically distributed around the central groove, a central roller is connected in the central groove in a rolling mode, a straight rod is connected in the central roller in a rotating mode through a first bearing, two ends of the straight rod are symmetrically and fixedly connected with inclined rods, the axis of each inclined rod is perpendicular to the groove line of the corresponding inclined groove, each inclined rod is connected with the inclined roller in a rotating mode through a second bearing in a sleeved mode, the second bearing comprises an inner ring and an outer ring which are concentrically distributed inside and outside, one side, far away from each other, of the two inner rings is concentrically and fixedly connected with a sleeve, and a holding sleeve is in spline fit on the outer surface of the. Has the advantages that: the invention is suitable for primary abdomen-building exercisers to gradually adapt to exercise intensity, achieves the purpose of gradual exercise, and automatically brakes under the condition of insufficient physical strength or other conditions, thereby improving the use safety.

Description

Primary abdomen strengthening equipment

Technical Field

The invention relates to the technical field of physical training, in particular to primary abdomen strengthening equipment.

Background

The exercise wheel is a small-size impeller that can temper muscle, joint, weight reduction, and the training mode of using the exercise wheel is various, and present exercise wheel generally includes two grips and rotates the wheel constitution that rolls of installing between two grips, and the structure is too simple, has following shortcoming: the exerciser is at the in-process of using exercise wheel, because the wheel that rolls does not have established track, causes to roll the wheel and probably take place the skew gradually pushing, leads to the health crooked, can not reach the exercise effect of expectation, and because exercise wheel does not set up arresting gear, leads to the rotational speed too fast and takes place muscle strain under the influence of exerciser's physical stamina or other conditions, has the potential safety hazard.

To solve the above problems, we propose a primary abdominal exercise apparatus.

Disclosure of Invention

The invention aims to solve the problems in the background art and provides a primary abdomen strengthening device.

In order to achieve the purpose, the invention adopts the following technical scheme: a primary abdomen exercise device comprises a flat plate embedded on the ground, wherein a central groove and two inclined grooves are formed in the upper end of the flat plate, the two inclined grooves are symmetrically distributed about the central groove, a central roller is connected in the central groove in a rolling mode, a straight rod is connected in the central roller in a rotating mode through a first bearing, inclined rods are fixedly connected at two ends of the straight rod in a symmetrical mode, the axis of each inclined rod is perpendicular to the groove line of the corresponding inclined groove, each inclined rod is connected with an inclined roller through a second bearing in a rotating mode in a sleeved mode, the second bearing comprises an inner ring and an outer ring which are concentrically distributed inside and outside, a sleeve is fixedly connected to one side, far away from each other, of the two inner rings, a holding sleeve is in splined sliding fit with a holding sleeve, and at least two braking elements are uniformly arranged on one side, close to; the braking element comprises a fixed box which is vertically fixed on the sleeve, the inner wall of the fixed box is rotatably connected with a rotating rod through a pin shaft, two sliding grooves are symmetrically formed in the rotating rod, limiting pins are slidably connected in the sliding grooves, sliding rods are vertically inserted into two sides of the fixed box in a sliding mode, the two sliding rods are fixedly connected with the two limiting pins respectively, one end, close to the sleeve, of each sliding rod is fixedly connected with the holding sleeve, and one end, far away from the sleeve, of each sliding rod is fixedly connected with a friction plate.

In the primary abdomen strengthening equipment, the inclined roller is fixedly sleeved on the outer ring, and the inclined rod is in sliding fit with the spline of the inner ring.

In the primary abdomen exercise equipment, the outer surface of the sleeve is provided with a spline groove, the inner surface of the grip sleeve is provided with a spline, and the width of the spline groove is larger than that of the spline.

In the primary abdominal exercise apparatus described above, the central trough and the chute have the same longitudinal length.

In the primary abdomen exercising apparatus, the axes of the central roller and the inclined rollers are always located on the same plane.

In the primary abdomen strengthening equipment, the outer surface of the grip sleeve is fixedly connected with the anti-slip sleeve in a gluing mode.

Compared with the prior art, the primary abdomen strengthening equipment has the advantages that:

1. the two holding sleeves are respectively held by both hands of an exerciser and are pushed forwards while being extruded towards the inclined roller, the friction plate and the inclined roller are in a parallel state, and the two inclined rollers respectively move along the two inclined rods in the rolling process, so that the gradual change effect of the exercise intensity is realized;

2. once the exerciser does not have enough physical strength or under other factors, the holding sleeve is extruded by the hands towards the direction away from each other, so that the holding sleeve is abutted against the inner wall of one side of the spline groove away from the inclined roller, the holding sleeve drives the sliding rod connected with the holding sleeve to move towards the direction away from the inclined roller, and under the sliding fit of the limiting pin and the sliding groove, the other end of the rotating rod drives the friction plate to abut against the inclined roller through the sliding rod, so that the inclined roller is braked, and the risk condition that muscles are pulled is effectively avoided;

3. the invention is suitable for primary abdomen-building exercisers to gradually adapt to exercise intensity, achieves the purpose of gradual exercise, and automatically brakes under the condition of insufficient physical strength or other conditions, thereby improving the use safety.

Drawings

Fig. 1 is a top sectional view of a primary abdominal exercise apparatus according to the present invention;

FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;

FIG. 3 is an enlarged view of the structure at B in FIG. 2;

fig. 4 is a schematic structural diagram of a side surface of the primary abdomen exercising device at the second bearing position.

In the figure: the device comprises a flat plate 1, a central groove 2, a chute 3, a diagonal rod 4, a central roller 5, a diagonal roller 6, a second bearing 7, an inner ring 71, an outer ring 72, a sleeve 8, a holding sleeve 9, a fixed box 10, a rotating rod 11, a sliding groove 12, a limiting pin 13, a friction plate 14 and a sliding rod 15.

Detailed Description

The following examples are for illustrative purposes only and are not intended to limit the scope of the present invention.

Examples

Referring to fig. 1 to 4, a primary abdomen building apparatus comprises a flat plate 1 embedded on the ground, a central slot 2 and two inclined slots 3 formed at the upper end of the flat plate 1, the two inclined grooves 3 are symmetrically distributed about one central groove 2, a central roller 5 is connected in the central groove 2 in a rolling mode, a straight rod is connected in the central roller 5 in a rotating mode through a first bearing (the first bearing and the straight rod are not drawn in the drawing), two ends of the straight rod are symmetrically and fixedly connected with inclined rods 4, the axis of each inclined rod 4 is perpendicular to the groove line of the corresponding inclined groove 3, each inclined rod 4 is rotatably sleeved with the inclined roller 6 through a second bearing 7, the second bearing 7 comprises an inner ring 71 and an outer ring 72 which are concentrically distributed inside and outside, one sides, far away from each other, of the two inner rings 71 are concentrically and fixedly connected with a sleeve 8, a holding sleeve 9 is in spline sliding fit with the outer surface of the sleeve 8, and at least two braking elements are uniformly arranged on one side;

the braking element comprises a fixed box 10 vertically fixed on the sleeve 8, the inner wall of the fixed box 10 is rotatably connected with a rotating rod 11 through a pin shaft, force transmission is realized by utilizing the rotation of the rotating rod 11, two sliding grooves 12 are symmetrically formed in the rotating rod 11, limiting pins 13 are slidably connected in the sliding grooves 12 and are adapted to the axial sliding of the sliding rods 15 and the circumferential rotation of the rotating rod 11, sliding rods 15 are vertically slidably inserted into two sides of the fixed box 10, the two sliding rods 15 are respectively and fixedly connected with the two limiting pins 13, one end of each sliding rod 15 close to the sleeve 8 is fixedly connected with the holding sleeve 9, one end of each sliding rod 15 far away from the sleeve 8 is fixedly connected with a friction plate 14, and the friction plate 14 is made of a high-.

The inclined roller 6 is fixedly sleeved on the outer ring 72, the inclined rod 4 is in spline sliding fit with the inner ring 71, and the inclined roller 6 rotates along with the inclined roller in the moving process.

The spline groove has been seted up to sleeve 8's surface, and the internal surface of holding sleeve 9 is equipped with the spline, and the width in spline groove is greater than the width of spline, reserves the sliding space of holding sleeve 9, does benefit to the person of taking exercise self-actuating.

The central groove 2 and the chute 3 have the same longitudinal length, and the central groove 2 and the chute 3 are matched with each other.

The axes of the central roller 5 and the inclined rollers 6 are always positioned on the same plane, so that the rolling fit between the central roller 5 and the central groove 2 and between the inclined rollers 6 and the inclined grooves 3 is ensured, and suspension of any roller is avoided.

The outer surface of the holding sleeve 9 is fixedly connected with an anti-slip sleeve in a gluing mode, so that the friction force between the hands of an exerciser and the holding sleeve 9 is increased, and slipping is avoided.

When the device is used for abdomen building exercise, the two ends of the central groove 2/the chute 3 can be used as starting points, the distance between the two inclined rollers 6 is linearly reduced from wide to narrow or linearly increased from narrow to wide, and different exercisers can select the starting points so as to achieve the effect that the exercise intensity is from weak to strong or from strong to weak, and the principle of the device is explained by referring to fig. 1:

an exerciser holds the two holding sleeves 9 by two hands respectively, the holding sleeves 9 are pushed forwards while being extruded towards the direction of the inclined rollers 6, the holding sleeves 9 abut against the inner wall of one side, close to the inclined rollers 6, of the spline groove, the rotating rod 11 is located at a position parallel to the fixed box 10, the friction plate 14 and the inclined rollers 6 are in a separated state and are distributed in parallel, in the process of pushing the holding sleeves 9 forwards, the two inclined rollers 6 move relatively while rolling in the inclined grooves 3, and the central roller 5 rolls in the central groove 2, so that the gradual change effect of exercise intensity is realized;

in case under the condition under the poor or other factors of exerciser's physical strength, both hands extrude the grip 9 towards the direction of keeping away from each other, make grip 9 and spline groove keep away from one side inner wall of oblique gyro wheel 6 and offset, grip 9 drives the slide bar 15 of being connected with it and removes towards the direction of keeping away from oblique gyro wheel 6, under the sliding fit of spacer pin 13 and spout 12, the other end of bull stick 11 passes through slide bar 15 and drives friction plate 14 and offset with oblique gyro wheel 6, realized the braking to oblique gyro wheel 6, effectively avoid the dangerous condition that muscle was strained.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. The primary abdomen exercise equipment comprises a flat plate (1) embedded on the ground, and is characterized in that a central groove (2) and two chutes (3) are formed in the upper end of the flat plate (1), the two chutes (3) are symmetrically distributed about the central groove (2), one of the central groove (2) is connected with a central roller (5) in a rolling manner, a straight rod is rotatably connected in the central roller (5) through a first bearing, two ends of the straight rod are symmetrically and fixedly connected with inclined rods (4), the axis of each inclined rod (4) is perpendicular to the groove line of the corresponding chute (3), each inclined rod (4) is rotatably sleeved with an inclined roller (6) through a second bearing (7), each second bearing (7) comprises an inner ring (71) and an outer ring (72) which are concentrically distributed inside and outside, and one side of the two inner rings (71) which are far away from each other is concentrically and fixedly connected with a sleeve (8), a holding sleeve (9) is in spline sliding fit with the outer surface of the sleeve (8), and at least two braking elements are uniformly arranged on one side, close to the inclined roller (6), of the holding sleeve (9);

the braking element comprises a fixed box (10) which is vertically fixed on a sleeve (8), the inner wall of the fixed box (10) is rotatably connected with a rotating rod (11) through a pin shaft, two sliding grooves (12) are symmetrically formed in the rotating rod (11), limiting pins (13) are slidably connected in the sliding grooves (12), sliding rods (15) are vertically slidably inserted into two sides of the fixed box (10), the sliding rods (15) are fixedly connected with the two limiting pins (13) respectively, one end of each sliding rod (15) close to the sleeve (8) is fixedly connected with a holding sleeve (9), and one end of each sliding rod (15) far away from the sleeve (8) is fixedly connected with a friction plate (14).

2. The primary abdominal exercise device as recited in claim 1, wherein the diagonal roller (6) is fixedly sleeved on the outer ring (72), and the diagonal bar (4) is in spline sliding fit with the inner ring (71).

3. A primary abdomen strengthening apparatus according to claim 1, wherein the outer surface of the sleeve (8) is provided with spline grooves and the inner surface of the grip sleeve (9) is provided with splines, the width of the spline grooves being greater than the width of the splines.

4. A primary abdominal exercise apparatus as claimed in claim 1, wherein the central channel (2) and the chute (3) are of equal longitudinal length.

5. The primary abdominal exercise apparatus as claimed in claim 1, wherein the central roller (5) and the oblique rollers (6) are always located on the same plane.

6. The primary abdominal exercise device as claimed in claim 1, wherein an anti-slip sleeve is fixedly attached to the outer surface of the grip sleeve (9) by gluing.