CN204815526U - Body -building apparatus - Google Patents

Abstract

The utility model proposes a fitness device, which includes a main support, a bench arranged on the main support, and a long board hinged to one end of the bench; the long board can rotate around the bench with the hinge as the center, and The length can support a person's body or legs; the longboard is in contact with a resistance and recovery device, and the resistance and recovery device can generate an active force when the exerciser uses the fitness equipment, and its active force can help the exerciser to slowly descend and assist Lifting, the long board swings up and down with the force; the resistance and recovery device is fixed on the main support, which includes a force transmission device and a force balance device. The utility model can achieve the purpose of stretching the spine, expanding the intervertebral disc space, and exercising the muscles around the spine, and has a simple structure, which can be operated by the patient by himself, and there is no risk of excessive stretching and traction in the process of exercising the spine.

Description

a fitness machine

technical field

The utility model relates to the field of fitness and rehabilitation equipment, which mainly stretches the human spine, expands the intervertebral disc space of the spine, and exercises the muscles around the spine. A fitness device for stretching and exercising the muscles related to the spine.

Background technique

In daily life, the spine is usually in an upright posture, so the intervertebral disc is in a state of compression for a long time, and the intervertebral disc space will gradually become smaller. With age, this phenomenon becomes more obvious. Herniated discs can cause nerves to be compressed and cause pain. In severe cases, the intervertebral disc will rupture. Currently, the well-known method of dealing with disc compression is traction—static stretching of the spine, usually the neck or lower back, or the use of weights, or the use of expensive medical equipment such as spinal decompression systems, and must be performed by a medical professional, the patient Can't control it by yourself, and there is a risk of excessive traction and ligament strain; another device that stretches the spine is an inverted device. The patient's feet are tied up and hung upside down on the device. Although the patient can control it by himself, However, handstands can cause head discomfort and are limited to a limited number of people. The above two methods stretch the spine statically, and it is difficult for the muscles around the spine to be exercised.

The traditional methods of exercising the muscles around the spine are generally Xiaoyanfei, five-point support, etc., but these methods cannot stretch the spine, and it is difficult to expand the intervertebral disc, and these methods are not suitable for everyone; the existing methods cannot Stretching the spine and exercising the muscles around it at the same time must adopt multiple devices to achieve this effect. The structure is complex, which is not easy to move and consumes too much physical therapy and exercise time.

Utility model content

The utility model proposes a fitness device, which solves the problem that the general spinal exercise device cannot stretch the spine, expand the intervertebral disc space of the spine, and exercise the muscles around the spine at the same time, so that the two exercises can be combined into one. The fitness device of the utility model not only overcomes the disadvantages of the existing intervertebral disc compression treatment device, such as complex structure, inability of the patient to control itself, and risk of excessive traction in operation, but also saves devices and time for physical therapy or exercise.

The technical scheme of the utility model is achieved in that:

A kind of fitness equipment, it comprises main support, the bench that is arranged on described main support, and the longboard that is hinged with one end of described bench, and longboard can rotate around the bench around the hinge, and the bench and The length of the longboard can support a person's body or legs; the longboard is in contact with a resistance and recovery device, and the longboard, under the active action of the exerciser's body or legs, triggers the resistance and recovery device to generate a A passive force: resistance or recovery forces act on the longboard, and the longboard swings up and down in response to changes in these forces, helping the exerciser's body or legs to slowly descend and assist in rising. When the long board swings downward, the resisting and restoring device generates resistance; when the long board moves upward, it generates restoring force. The resistance and recovery device can be installed above or below the long board, or beside or at the end of the long board, or at a hinge.

The resistance and recovery device is fixed on the main bracket, and it includes a force transmission device and a force balance device. The force transmission device includes a curved rod, and one end of the curved rod is fixed on a rotary shaft, and is connected with The rotary shaft rotates synchronously with respect to the main bracket, and the other end of the curved rod is slidably connected to the bottom of the long board;

The force balancing device includes a weight rod and a weight fixed at one end of the weight rod, and the other end of the weight rod is fixed on the rotary shaft and rotates synchronously with it. Preferably, the resistance and recovery device also includes a starting angle adjusting device, the starting angle adjusting device is fixed on the rotary shaft, and at least two starting positioning devices are arranged on it; the curved rod passes through The different starting positioning devices are fixed at different positions on the starting angle adjusting device, and the other end of the curved rod is slidably connected to the long plate.

Preferably, the starting angle adjusting device is a first fan-shaped flat plate, the starting angle positioning device is starting angle positioning holes evenly distributed around the center of the first fan-shaped flat plate, and the curved rod is provided with connecting holes , the crank rod is fixed in the starting angle positioning hole through the positioning pin through the connecting hole.

The two ends of the curved rod are at a vertical angle, but not on the same plane, so preferably, the curved rod may include a first rod, a second rod, a third rod and a sliding device, wherein the first rod first One end is fixed on the rotary shaft, the second end is vertically fixedly connected to the first end of the second rod, and the second rod is parallel to the rotary shaft; the second end of the second rod is fixedly connected to The first end of the third rod, the third rod is provided with the sliding device that is against the bottom of the long board and can slide along the bottom of the long board; the second rod is perpendicular to the first end of the long board A rod and the third rod, and the first rod and the third rod are not on the same plane.

Preferably, the resisting and recovering device further includes a maximum drop angle adjusting device fixed on the main bracket, the maximum drop angle adjusting device is provided with a maximum drop angle positioning device that can intersect with the weight rod, When the heavy hammer rod touches the maximum drop angle positioning device during rotation, it stops rotating and drives the rotary shaft to stop rotation, and the long plate reaches the maximum depression angle.

Preferably, the maximum drop angle adjusting device is a second fan-shaped flat plate, the maximum drop angle positioning device is a positioning rod, and the second fan-shaped flat plate is provided with maximum drop angle positioning holes evenly distributed around its center, the The positioning rod is fixed on the plane of the second fan-shaped flat plate through the maximum drop angle positioning hole. Preferably, the weight rod includes a fourth rod and a fifth rod, the first end of the fourth rod is vertically fixed on the rotary shaft, and rotates synchronously with the rotary shaft, and the second end is connected to the first Five bars are fixedly connected; the weight is placed on the fifth bar.

Preferably, the weight is a discus placed on the fifth rod.

Preferably, the force balancing device can also use spring devices, gravity block mechanism devices, hydraulic pressure, air pressure and other force devices.

Preferably, the rotating shaft is horizontally fixed on the third bracket, and a vertical rod that can be supported on the fourth rod is also provided on the third bracket.

Preferably, the bottom surface of the bench and the bottom surface of the longboard are movably connected by double hinges, the first axis of the double hinge allows the longboard to rotate around one end of the fixed bench, and the second axis of the double hinge allows the longboard to rotate around one end of the fixed bench. Rotating over a fixed bench, the longboard and bench overlap, allowing the exercise machine to save space when not in use. The double hinges can also be mounted on or to the sides of benches and longboards.

Preferably, side armrests are respectively provided on both sides of the main bracket, and one end of the side armrests is respectively fixed to the bottom of the bench by a pivot bolt, and the other ends of the side armrests on both sides can be rotated around the The pivot bolt is rotated outward, and the rotation angle is from parallel to the length direction of the bench to being perpendicular to the length direction of the bench.

Preferably, the other ends of the side armrests on both sides are respectively provided with a sitting-up armrest, one end of the sitting-up armrest is movably connected to the side armrest, and the other end can rotate 180° in the vertical direction around the connection point .

The beneficial effect of the utility model is that the patient or exerciser lies supine or prone on the bench or the longboard, and the body or legs press down on the longboard. When the longboard swings above the horizontal line, the human spine returns to the compressed state, and the muscles around the spine are exercised when the body or legs control the longboard to swing up and down, achieving the purpose of stretching the spine and exercising the muscles around the spine. Moreover, the fitness machine has a simple structure, can be operated by the patient, is simple and safe, and has no risk of excessive stretching and traction in the process of exercising the spine.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description These are only some embodiments of the utility model, and those skilled in the art can also obtain other drawings according to these drawings without any creative effort.

Fig. 1 is the front structure schematic diagram of the preferred embodiment of the utility model fitness equipment;

Fig. 2 is the top view structure schematic diagram of the preferred embodiment of the utility model fitness equipment;

Fig. 3 is the front enlarged structural schematic diagram of the resistance and recovery device of the utility model fitness equipment;

Fig. 4 is a side sectional structural schematic diagram of the rotary shaft of the fitness device of the present invention;

Figure 4-1 is an enlarged cross-sectional view of the latch of the utility model fitness equipment;

Fig. 4-2 is a cross-sectional view of the position of the sixth bar of the fitness device of the present invention;

Fig. 5 is a schematic diagram of the side structure of the resistance and recovery device of the utility model fitness equipment;

Fig. 6 is a top view sectional structure diagram of the third bracket of the fitness equipment of the present invention;

Fig. 7 is the structural representation of the double hinge of the utility model fitness equipment;

Fig. 8 is the looking up structure schematic diagram of the utility model fitness equipment;

Fig. 8-1 is the schematic diagram of the bottom structure of the bench and the longboard of the utility model;

Fig. 9 is a schematic diagram of the use state of the armrest of the fitness equipment of the present invention;

Fig. 10 is a schematic diagram of the use state of the folding feet of the fitness equipment of the present invention;

Fig. 11 is a schematic diagram of the state of the fitness device of the present invention when it is not in use and placed horizontally;

Fig. 11A is a schematic diagram of the fitness equipment of the present invention when it is not in use and is upright;

Fig. 12 is a schematic structural view of the utility model when the resistance and recovery device of the fitness device is a spring;

Fig. 12A is the left side view of Fig. 12;

Fig. 13 is a schematic structural view of the utility model when the resistance and recovery device of the fitness device is a gravity block mechanism;

Fig. 14 is a schematic diagram of the first exercise mode of the utility model fitness apparatus;

Fig. 14A is a schematic diagram of using a sit-up armrest in the exercise mode of Fig. 14;

Fig. 15 is a schematic diagram of the second exercise mode of the fitness device of the present invention;

Figure 16 is a top view of Figures 14 and 15;

Fig. 17 is a schematic diagram of the third exercise mode of the fitness device of the present invention;

Fig. 17A is a schematic diagram of using a sit-up armrest in the exercise mode of Fig. 17;

Fig. 18 is a schematic diagram of the fourth exercise mode of the fitness device of the present invention;

FIG. 19 is a top view of FIGS. 17 and 18 .

Description of numbers: resistance and recovery device 14, bench 16, long board 18, double hinge 20, fixed blades 20C and 20D, extension ring 20E, extension hole 20F, ring 20B, iron rod 20A, first bracket 22, second bracket 23 , mat 24, armrest 26, sit-up armrest 26A, side armrest 26B, pivot pin 26C, telescopic rod 28, guide rod 28A, fixed pin 28B, small hole 28D, bumps 28C and 28E, metal plate 30, pulley 31, Folding foot 33, support rod 33A, latch 33B, third support 40, vertical rod 40A, vertical rod 40B, horizontal rod 40C, horizontal rod 40D, horizontal rod 40E, horizontal rod 40F, vertical rod 40G, rotary shaft 41, curved rod 42. Sliding device 42A, third rod 42B, second rod 42C, first rod 42D, positioning pin 42E, first fan-shaped flat plate 44, weight rod 46, fourth rod 46A, fifth rod 46B, latch 46B-1 , weight 46C, spring leaf 46D, second fan-shaped flat plate 48, positioning rod 48A, fourth bracket 50.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. . Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

As shown in Fig. 1 and Fig. 2, this fitness equipment (also can claim spine and muscle fitness equipment thereof) mainly comprises two parts, and the first part is used for supporting and placing people's body parts, i.e. bench 16 or longboard 18, The second part is the resistance and recovery device 14 .

The device for placing a human body part includes a main support, a bench 16 arranged on the main support, a long board 18 hinged to one end of the bench 16 , and a double hinge 20 connecting the bench 16 and the long board 18 . The long board 18 is in contact with a resistance and recovery device, and the long board, under the active action of the exerciser's body or legs, causes the resistance and recovery device 14 to produce a passive force. It swings up and down about its hinged end under force.

The effect of fitness equipment main support is to fix and support this fitness equipment, and keep bench 16 in balance state, main support can be made up of support, also can be surrounded by flat plate and form hollow structure. In this preferred embodiment, as shown in FIG. 1 , the main bracket includes a first bracket 22 , a second bracket 23 , and a fourth bracket 50 . When the fitness equipment is in use, the fourth support 50 is placed on the ground, and the first support 22, the second support 23 top and the bottom of the bench 16 two ends are fixed together to support the bench 16, the first support 22, The bottom end of the second bracket 23 is respectively fixed on two ends of the fourth bracket 50 .

In this embodiment, the bottom of one end of the bench 16 is movably connected with the bottom of one end of the long board 18 through a double hinge 20 (as shown in FIG. 7 and FIG. 8-1 ), and the fixed blades 20C and 20D of the double hinge 20 are They are respectively fixedly connected to the bottom of the second end of the bench 16 and the bottom of the first end of the long board 18. The second end of the long board 18 is a free end and can rotate around the first end. In addition to the double hinge 20 in this embodiment, it can also adopt a common hinge structure such as a hinge shaft, and is not limited to the double hinge structure with fixed blades shown in the figure.

As shown in Figure 1 and Figure 7, the extension rings 20E at both ends of the double hinge 20 are respectively provided with extension holes 20F, the first bracket 22 is provided with two rings 20B, and the ring 20B is located inside the two extension holes 20F, when When the iron rod 20A passes through the two extension holes 20F and the ring 20B, the double hinge 20 is fixed on the first bracket 22, and the fitness equipment is in a state of being available for use; when the iron rod 20A is pulled out, the long board 18 can be rotated To the top of the bench 16, overlapping with the bench 16, at this moment the fitness equipment is in a storage state and is not used.

In order to increase the use comfort and prevent the user's body from being caught in the gap between the bench 16 and the longboard 18, a cushion 24 is covered above the connection between the bench 16 and the longboard 18, as shown in FIG. 1 .

In a specific embodiment, the resisting and returning device 14 is fixed on the main bracket, which includes a force transmission device and a force balance device, the force transmission device includes a curved rod 42, and one end of the curved rod 42 is fixed to the rotary shaft 41 and rotate synchronously with the rotating shaft 41 relative to the main bracket, the other end of the curved rod 42 is slidably connected to the bottom of the long plate 18; the force balance device includes a weight rod 46 and one end fixed on the weight rod The other end of the weight 46C of the weight rod 46 is fixed on the rotary shaft 41 and rotates synchronously therewith.

Therefore the second part, resistance and recovery device 14, can be said to be by rotary shaft 41, the 3rd support 40, bent bar 42, weight bar 46, initial angle adjusting device (the present embodiment is the first fan-shaped plate 44), and The maximum angle adjustment device (the present embodiment is the second fan-shaped plate 48) and other components.

A third support 40 is arranged next to the main support. In the specific embodiment of FIG. 4 , the third support 40 is divided into a vertical bar 40A and a vertical bar 40B, and the rotary shaft 41 is arranged on the top of the vertical bar 40A and the vertical bar 40B, and It is perpendicular to the vertical rod 40A and the vertical rod 40B to ensure the support force and the stability of the rotation of the rotary shaft 41 . The rotary shaft 41 is placed on the third bracket 40, one end of the curved rod 42 is indirectly fixed on the rotary shaft 41, and rotates synchronously with the rotary shaft 41, and the other end, namely the free end, is slidably connected to the bottom of the long plate 18; The weight rod 46 is directly fixed on the rotary shaft 41 and rotates synchronously with the shaft 41 . The other end of the weight rod 46 can place a weight 46C, such as a discus.

As shown in FIG. 3 , in one of the usage methods of this embodiment, when the user lies flat on the bench 16 , the legs are placed on the long board 18 (as in FIG. 14 ). When the legs press down on the long board 18, the bottom of the long board 18 presses the free end of the bending rod 42, and the bending rod 42 drives the rotating shaft 41 to rotate; and the rotation of the rotating shaft 41 drives the weight rod 46 fixed thereto to rotate , the heavy hammer 46C (the present embodiment is a discus) at the other end of the heavy hammer bar 46 is lifted to a certain height; When the longboard 18 descends to the state of tilting downwards, at this moment the angle of intersection between the bench 16 and the longboard 18 is greater than 180 degrees, which plays two roles at this moment: the first, because the longboard 18 is inclined, people's legs or body It also tilts upwards and downwards. At this time, the human spine is stretched and the intervertebral disc is enlarged. The second function is that the resistance and recovery device provides a resistance to the long plate 18 at this time. This resistance makes the human body have to exert force to resist it. At this time, the muscles around the human spine and leg muscles are exercised. When the legs or body stop exerting force, and the person’s legs or body consciously lift up, under the action of the weight 46C, the long board 18 will automatically return to the initial or near initial position; At this time, there are also two functions: first, the human spine returns to the normal (compressed) state from the stretched state, and second, the weight 46C drives the rotary shaft 41 to rotate under the action of gravity, and the rotary shaft 41 drives The curved rod 42 rotates, and the curved rod 42 gives a restoring force to the long board 18 at this time. This restoring force can help people's legs or body to lift up, so as to exercise the muscles around the spine and leg muscles, and avoid causing lumbar spine damage. . Reciprocating in this way can achieve the effect of exercise.

The bottom of the resistance and recovery device and the long plate 18 is slidably connected, mainly when the long plate 18 rotates downward, the friction with the contact end of the resistance and recovery device can be reduced to ensure the stability of the movement and the fitness equipment. The service life; its structure can adopt commonly used sliding or rolling connection structures such as rollers and balls.

In order to adjust the starting angle of the long board 18 , a position adjusting device can be used to define the starting position of the long board 18 . Therefore, the resistance and recovery device also includes a starting angle adjusting device, which is fixed on the rotary shaft 41 and is provided with at least two starting angle positioning devices; the curved rod 42 passes through The different starting angle positioning devices are fixed at different positions on the starting angle adjusting device, and the other end of the curved rod 42 is slidably connected to the long plate 18 . The starting angle positioning device may be a common position adjusting device which is a combination of a common positioning slot, a positioning cam, a positioning hole and a positioning pin.

In this specific embodiment, as shown in Fig. 3 and Fig. 4-1, the starting angle adjusting device is a first fan-shaped flat plate 44, and the starting angle positioning device is a starting point evenly distributed around the center of the first fan-shaped flat plate 44. The starting angle positioning hole, the curved rod 42 is provided with a connecting hole, and the curved rod 42 passes through the connecting hole through the positioning pin 42E and is fixed in the starting angle positioning hole. The first fan-shaped plate 44 is fixed on the rotating shaft 41 and can rotate around a fixed point along with the rotating shaft 41 . When the connecting holes on the curved rod 42 were fixed in the different starting angle positioning holes, the curved rod 42 was located at different positions of the first fan-shaped flat plate 44, due to the relationship between the long plate 18, the curved rod 42, the rotary shaft 41 and the weight 46C For the connection and balancing effect between them, the long boards 18 will be located at different starting angles.

As shown in Figure 2, Figure 3 and Figure 4, the two ends of the curved rod 42 form a vertical angle, but not on the same plane. The positioning pin 42E is fixedly connected with the starting angle positioning adjustment device (i.e. the first fan-shaped flat plate 44), so that the curved rod 42 can rotate simultaneously with the rotary shaft 41, and the other end of the curved rod 42 is a free end on which a sliding device is housed. , can slide at the bottom of the long board 18.

The curved rod 42 includes a first rod 42D, a second rod 42C, a third rod 42B and a sliding device 42A, wherein the first end of the first rod 42D is fixed on the rotary shaft 41 (in this embodiment, the first The first end of the rod 42D is sleeved on the rotary shaft 41), the second end is vertically fixedly connected with the first end of the second rod 42C, and the second rod 42C is parallel to the rotary shaft 41; The second end of the second rod 42C is fixedly connected to the first end of the third rod 42B, and the third rod 42B is provided with the sliding rod that is against the bottom of the long board and can slide along the bottom of the long board. Device 42A. The function of the sliding device 42A is mainly to reduce the friction with the contact end of the curved rod 42 during the contact process between the long board 18 and the curved rod 42, so as to ensure the smooth and steady motion of the long board 18 and the service life of the fitness equipment. Commonly used sliding or rolling connection structures such as rollers and balls, in this embodiment, wheels are selected as the sliding device. The first rod 42D is provided with the connecting hole, and the positioning pin 42E passes through the connecting hole and is fixed in the starting angle positioning hole. When the positioning pin 42E passes through the connecting hole of the first rod 42D and is fixed in the positioning hole of different starting angles, the sliding device 42A makes the long plate 18 be at different starting angles.

The resistance and recovery device also includes a maximum drop angle adjustment device fixed on the main bracket, and a maximum drop angle positioning device that can intersect with the weight rod 46 is provided on the maximum drop angle adjustment device. When the weight rod 46 touches the maximum drop angle positioning device during rotation, it stops rotating and drives the rotary shaft 41 to stop rotation, and the long plate 18 reaches the maximum depression angle.

In this embodiment, as shown in FIGS. 2-3 , the resistance and recovery device includes a weight rod 46 and a weight 46C fixed to one end of the weight rod 46, and the other end of the weight rod 46 is fixed to the On the above-mentioned rotating shaft 41, and it rotates synchronously. The maximum drop angle position adjustment device is provided with a maximum drop angle positioning device that can prevent the heavy hammer rod 46 from continuing to swing. When the heavy hammer rod 46 touches the maximum drop angle positioning device during rotation, it stops rotating and drives The rotary shaft 41 stops rotating, and the bent rod 42 fixed with the rotary shaft 41 stops rotating, and resists the long plate 18, so that the long plate 18 cannot continue to rotate downwards, so that the long plate 18 reaches the maximum pressing angle. This structure helps prevent excessive curvature of the spine, causing spinal injuries.

In this embodiment, the maximum drop angle adjusting device is a second fan-shaped flat plate 48, the maximum drop angle positioning device is a positioning rod 48A, and the second fan-shaped flat plate 48 is provided with a maximum drop angle positioning device uniformly distributed around its center of circle. The positioning rod 48A is inserted on the plane of the second fan-shaped flat plate 48 through the maximum drop angle positioning hole (shown in FIG. 4-2 ). When the positioning rod 48A is inserted into the positioning holes of different maximum drop angles, it can block the weight rod 46 at different heights, so that the long plate 18 can reach the maximum drop angle. The structure of the maximum drop angle adjusting device and the maximum drop angle positioning device can be set to various, as long as the maximum swing angle of the control weight rod 46 or weight 46C can be achieved, or the rotation angle of the rotary shaft 41 can be controlled. Reach the maximum depression angle of control long board 18.

The weight rod 46 includes a fourth rod 46A and a fifth rod 46B. The first end of the fourth rod 46A is vertically fixed on the rotary shaft 41 and rotates synchronously with the rotary shaft 41. The middle part of the fifth rod 46B is vertically fixedly connected, and the fifth rod 46B is parallel to the rotation axis 41; the weight 46C is placed on the fifth rod 46B and swings synchronously with it.

When the positioning rod 48A is inserted into the maximum drop angle positioning hole of the second fan-shaped flat plate 48, the fourth rod 46A will be stuck when it swings up to the height of the positioning rod 48A and cannot swing up again. A spring piece 46D may be provided at the contact point between the fourth rod 46A and the positioning rod 48A to buffer the collision between the two rods. In order to make the positioning rod 48A not easy to get loose when inserted into the through hole 48K, a small spring piece (see Figure 4-2 in this embodiment) or a small marble can be set on the positioning rod 48A, or it can be placed at the end of the positioning rod 48A. A small through hole is provided, and then a pin is inserted into the small through hole.

The weight 46C can be various weights, such as iron balls, iron blocks, etc. In this embodiment, the discus is selected as the weight 46C, and the discus is placed on the fifth rod 46B. Both ends of the fifth rod 46B are respectively provided with through holes. After the discus is placed and pushed into the fifth rod 46B, the pin 46B-1 can be inserted into the through holes to prevent the discus from sliding off the fifth rod 46B.

In order to limit the position of the lowest point of the discus in the movement process and avoid the discus from colliding with the ground during the movement, a vertical rod 40G is also arranged on the third support 40, and the vertical rod 40G is on the same side as the fourth rod 46A. Plane and located at the bottom of the fourth rod 46A, when the fourth rod 46A swings down to a certain extent, the top of the vertical rod 40G will touch the fourth rod 46A to prevent it from continuing to swing down. As shown in Figures 3-6, in this embodiment, the horizontal bar 40F connects the vertical bar 40G and the horizontal bar 40E, the horizontal bar 40C stabilizes the resistance and recovery device, and the horizontal bar 40D connects the resistance and the recovery device with the first in the main bracket. Four brackets 50. A schematic cross-sectional view of the third bracket 40 is shown in FIG. 6 .

In one of the usage methods of this specific embodiment (Fig. 14), when the upper body of the user lies on the bench 16 and the lower body is placed on the long board 18, the long board 18 will swing downward due to gravity and the downward force of the legs. ; As shown in Figure 3, in the swinging process, the sliding device 42A, that is, the wheels in the embodiment, is held against the bottom of the long board 18, and slides and rotates as the long board is pressed down, and the rotation direction in Fig. 3 is clockwise. Due to the effect of pressure, the second rod 42C and the third rod 42B also rotate clockwise, and the first rod 42D also rotates clockwise around the rotary shaft 41, and at the same time drives the rotary shaft 41 to rotate; the rotary shaft 41 drives the fourth rod 46A to rotate clockwise. Clockwise rotation, when the fourth rod 46A rotates upwards to the position of the positioning rod 48A, it is blocked by the positioning rod 48A and cannot rotate upwards, so that the long board 18 cannot swing down any more. When the user stops exerting force or relaxes, the discus falls under the action of gravity, and the fourth rod 46A and the fifth rod 46B rotate in the opposite direction with the descent of the discus, and the direction of rotation is the counterclockwise direction in Fig. 3; 46A is fixed on the rotary shaft 41, so it will drive the rotary shaft 41 to rotate in reverse, and the first rod 42D is fixed on the rotary shaft 41, so the first rod 42D reversely rotates with the rotation of the rotary shaft, and the second rod 42C 3. The third rod 42B is lifted up with the rotation of the first rod 42D; the sliding device 42A, that is, the small wheel in the figure, gives the long board 18 a certain upward thrust during the sliding process to push the long board 18 back to the initial position , so as to achieve the automatic recovery effect of the long board 18.

When the user's body is pressed down and relaxed in circulation, the long board 18 descends and returns to rise in sequence, and so on. When the long board 18 descends, the user's body, especially the intervertebral disc, is in a state of gradual stretching. When the long board 18 ascends, the user's spine returns to a compressed state, and at the same time, the muscles around the spine control the long board to swing up and down on the body or legs. Get exercise from time to time, so as to achieve the effect of exercising the spine and its surrounding muscles. It is easy and safe to use.

Under the action of the resistance and recovery device, the user has the following benefits when using the fitness equipment: first, when the long board 18 descends below the horizontal line, the intervertebral disc is in a stretched state, and when the long board 18 is above the horizontal line, the intervertebral disc in a state of compression;

Second, when the long board 18 descends, it drives the weight 46C in the resistance and recovery device to rise, which provides a certain resistance (resistance) for the exertion of the body or legs, so as to exercise the muscles around the spine and the muscles of the legs the goal of;

Third, using the gravity of the weight 46C, the resistance and recovery device provides the long board 18 with the recovery force to rotate upwards to the initial position, and also provides a certain upward assist force for the user during use, allowing the user to It will not cause physical injury or strain due to the excessive weight of the body and cannot rise to the initial state by itself, and it will play a role in easing the state of exercise.

Both sides of the main bracket are respectively provided with side armrests 26B, and one end of the side armrests 26B is respectively fixed to the bottom of the bench 16 by a pivot bolt 26C, and the other ends of the side armrests 26B on both sides can be Rotate outward around the pivot pin 26C, the rotation angle is from parallel to the length direction of the bench 16 outward to perpendicular to the length direction of the bench 16 . The other ends of the side armrests 26B on the two sides are respectively provided with a sit-up armrest 26A, one end of the sit-up armrest 26A is movably connected to the side armrest 26B, and the other end can do 180° in the vertical direction around the connection point. rotate.

As shown in Fig. 8 and Fig. 9, the first part of the fitness device, that is, the body part of the person to be placed, can be provided with handrails 26, and can also be provided with handrails 26 on both sides of the front first bracket 22 of the fitness equipment. Armrest 26A, side armrest 26B, and pivot pin 26C. The first end of the side armrest 26B is fixed on the pivot bolt 26C, and can be rotated 90° along the horizontal direction; as shown in Figure 8, when the side armrest 26B is perpendicular to the bench 16, it can be used as an armrest for the user when exercising; When the side armrests 26B are parallel to the bench 16, the armrests 26 are hidden at the bottom of the bench 16. One end of the sitting up armrest 26A is movably connected with the side armrest 26B, and the connection end of the sitting up armrest 26A can be rotated 180° in the vertical direction around one end of the side armrest 26B for use by the user; it is necessary to use the sitting up armrest 26A, it can be rotated to the top of the bench 16, as shown by the solid line in Figure 9; when the armrest 26A is not needed, it can be rotated to the bottom of the bench 16, as shown by the dotted line in Figure 9 shown.

In order to keep the center of gravity of the fitness machine stable during use, an extension, such as a strip of iron or an iron rod, can be provided at the bottom of the long board 18 . In this embodiment, the extension is a telescopic rod 28, and the state shown in FIG. 8 is the state where the telescopic rod 28 is pulled to the longest state. When the fitness equipment is not in use, the first end of the telescopic rod 28 can be pushed back to the bottom of the first bracket 22, and the telescopic rod 28 will pass through the larger and hollow guide rod 28A. In addition, the first end of the telescopic rod 28 is provided with a small hole 28D. When the first end of the telescopic rod 28 is pushed back to the bottom of the bench 16, in order to prevent the telescopic rod 28 from slipping out, the fixing bolt 28B can be inserted into the small hole 28D. Hold the telescopic rod 28 in place. In order to prevent the telescopic rod 28 from sliding away from the guide rod 28A and ensure that the telescopic rod 28 is always covered by the guide rod 28A, a bump 28C and 28E can be respectively set at both ends of the telescopic rod 28, and the height of the two bumps is larger than that of the guide rod 28A.

A metal plate 30 (as shown in FIG. 8-1 ) can be fixedly installed on the bottom of the long board 18 to prevent the sliding device 42A from generating friction during sliding and damaging the long board 18 . Therefore, the position where the metal plate 30 is installed coincides with the area where the sliding device 42A slides at the bottom of the long plate 18, and the area of the metal plate 30 is larger than the area where the sliding device 42A slides at the bottom of the long plate 18. .

In this embodiment, as shown in FIG. 8 and FIG. 10 , in order to maintain balance on both sides of the fitness machine during use, at least one pair of folding feet 33 corresponding to positions are provided on both sides of the fourth bracket 50 . In this embodiment, the two pairs of folding feet are respectively close to the first bracket 22 and the second bracket 23 . The solid line in Figure 10 shows the shape of the folded foot 33 when it is opened, which can keep the fitness machine stable when in use; the dotted line in Figure 10 shows the shape of the folded foot 33 when it is retracted, which can save space. The support bar 33A reinforces the folding legs on both sides of the first bracket 22 and the second support 23 , and the latch 33B fixedly connects the folding legs 33 and the support bar 33A so that the folding legs 33 are in an open or closed state.

Four small wheels 31 can be set on the second support 23, for when the first part of the fitness equipment, that is, supporting and placing the body parts of people, is stored, it is convenient to move upright. When the fitness equipment is not in use, the long board 18, handrail 26, telescopic rod 28, folding pin 33 will be stored, as shown in Figure 11. Figure 11A shows the state of the exercise machine when it is moving upright.

When the fitness equipment is not in use, it is easy to move, occupies a small space, and can be opened conveniently when in use. Compared with equipment for physical therapy or fitness room for exercising spinal discs, it is more time-saving and convenient.

Resistance and return device also can adopt spring device (Fig. 12 and Fig. 12A), gravity block mechanism device (shown in Fig. 13), hydraulic pressure, other power devices such as air pressure.

The reference way of using the fitness equipment is shown in Figure 14-Figure 19.

Fig. 14 is the first kind of exercise mode of the user: people lie on their backs, the body is on the bench, the legs are on the swingable long board, and the legs swing up and down (when the long board 18 and the legs descend to the lowest position, as shown by the dotted line in the figure 14A is a schematic diagram of using the armrest 26A in the first exercise mode, and the dotted line in the figure is the state when the armrest 26A does not rotate upwards.

Fig. 15 is the second kind of exercise mode of the user: the person lies prone, the body is on the bench, the legs are on the swingable long board, and the legs swing up and down (when the long board 18 and the legs descend to the lowest position, the dotted line in the figure shown), Fig. 16 is a top view of the first and second exercise modes.

Fig. 17 is the third kind of exercise mode of the user: people lie on their backs, legs are on the bench, the body is on the swingable long board, and the body swings up and down (when the long board 18 and the body descend to the lowest position, as shown by the dotted line in the figure Show). FIG. 17A is a schematic diagram of using the sit-up armrest 26A in the third exercise mode, and the dotted line in the figure is the state when the sit-up armrest 26A is not rotated upward.

Fig. 18 is the user's 4th kind of exercise mode: people lie on their stomachs, legs are on the bench, the body is on the swingable long board, and the body swings up and down (when the long board 18 and the body descend to the lowest position, as shown by the dotted line in the figure Show). Fig. 19 is a top view of the third and fourth exercise modes.

The above descriptions are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present utility model shall be included in the Within the protection scope of the present utility model.

Claims (10)

1. a fitness equipment, it is characterized in that: it comprises main support, be arranged on the bench (16) on described main support, and the long slab (18) hinged with described bench (16) one end, described long slab (18) can rotate round described bench (16) centered by hinged place, described bench (16) and long slab (18) length can support body or the leg of a people, described long slab (18) is resisted with one and return mechanism (14) contacts, described long slab (18) swings up and down around its hinged end under the body of person taking exercise or the active role of leg, and initiation opposing and return mechanism produce a kind of passive active force-resistance or restoring force, resistance is produced when described long slab (18) down moves, restoring force is produced when described long slab (18) up moves, described opposing and return mechanism (14) can be arranged on described long slab (18), or under described long slab (18), also can on described long slab (18) side, or end, also can in hinged place.

2. fitness equipment as claimed in claim 1, it is characterized in that: described opposing and return mechanism (14) are fixed on described main support, it comprises a force transfering device and a thrust balancing device, described force transfering device comprises a curved bar (42), described curved bar (42) one end is fixed on single-revolution axle (41), and with described gyroaxis (41) relative to described main support synchronous axial system, described curved bar (42) other end is slidably connected with described long slab (18) bottom;

Described thrust balancing device comprises a movement weight rod (46) and is fixed on the weight (46C) of described movement weight rod (46) one end, the other end of described movement weight rod (46) is fixed on described gyroaxis (41), and synchronous axial system with it.

3. fitness equipment as claimed in claim 2, it is characterized in that: described opposing and return mechanism (14) also comprise start angle adjusting device, described start angle adjusting device is fixed on described gyroaxis (41), and is provided with at least two start gauges; Described curved bar (42) is fixed on the diverse location in described start angle adjusting device by described different start gauge, and the other end of described curved bar (42) is slidably connected with described long slab (18).

4. fitness equipment as claimed in claim 3, it is characterized in that: described start angle adjusting device is the first sector flat plate (44), described start angle positioner is around the equally distributed start angle locating hole in described first sector flat plate (44) center of circle, (42) are provided with connecting hole to described curved bar, and described curved bar (42) is fixed in described start angle locating hole through described connecting hole by alignment pin (42E).

5. fitness equipment as claimed in claim 2, it is characterized in that: described opposing and return mechanism (14) also comprise the maximum whereabouts angle regulator be fixed on described main support, described maximum whereabouts angle regulator is provided with maximum whereabouts angle positioning device that can be crossing with described movement weight rod (46), when described movement weight rod (46) touches described maximum whereabouts angle positioning device in rotating, stop operating and drive gyroaxis (41) to stop operating, described long slab (18) reaches maximum and presses down angle.

6. fitness equipment as claimed in claim 5, it is characterized in that: described maximum whereabouts angle regulator is the second sector flat plate (48), described maximum whereabouts angle positioning device is backstay (48A), described second sector flat plate is provided with the equally distributed maximum whereabouts angle locating hole around its center of circle, described backstay (48A) is fixed in described second sector flat plate (48) plane by described maximum whereabouts angle locating hole.

7. fitness equipment as claimed in claim 1, it is characterized in that: described bench (16) is flexibly connected by double-strand chain (20) with described long slab (18), first axle of described double-strand chain (20) can allow described long slab (18) can rotate round one end of fixing described bench (16), second axle of described double-strand chain (20) allows described long slab (18) to rotate to fixing described bench (16), described long slab (18) and described bench (16) overlap, make fitness equipment do not used time save space.

8. fitness equipment as claimed in claim 1, it is characterized in that: the pendulum angle between described long slab (18) and described bench (16) can be greater than 180 degree, described long slab (18) can be rocked on horizontal line, also can be rocked under horizontal line.

9. fitness equipment as claimed in claim 1, it is characterized in that: the both sides of described main support are respectively arranged with side handrail (26B), described bench (16) bottom is fixed on respectively by a pivot spigot (26C) in one end of described side handrail (26B), and described side handrail (26B) other end of both sides all can around described pivot spigot (26C) to inner rotary, the anglec of rotation is to inner rotary to vertical with the length direction of described bench (16) from parallel with the length direction of described bench (16).

10. fitness equipment as claimed in claim 9, it is characterized in that: described side handrail (26B) other end of described both sides is also respectively arranged with the handrail that sits up (26A), the described handrail that sits up (26A) one end is movably connected on described side handrail (26B), and the other end can do 180 ° of rotations in the vertical direction around tie point.