CN109350919B - Multifunctional fitness equipment - Google Patents

Abstract

The invention discloses a multifunctional body-building apparatus, which comprises a double-rod main support frame, a double-rod auxiliary support frame, a front plate and a rear plate, wherein the front plate and the rear plate are arranged at the bottom tail ends of the double-rod main support frame and the double-rod auxiliary support frame, the top end of the double-rod auxiliary support frame is connected to the double-rod main support frame through a variable hinge disc, a waist fixing device is movably arranged on the double-rod main support frame, a rotating handle and transverse caster wheels are arranged at the top of the double-rod main support frame, a first tension device is arranged at the joint of the double-rod main support frame and the front plate, a second tension device is arranged on the double-rod auxiliary support frame, one end of the first tension device extends to the rear plate, fixed-rotating wheel sets are arranged at the two ends of the front plate and the rear plate, a seat cushion is arranged on the front plate, and a foot plate corresponding to the seat cushion is arranged on the rear plate, so that more functional exercise modes are provided, the occupied space is small, and the movement is convenient.

Description

A multifunctional fitness equipment

technical field

The invention relates to the field of fitness equipment, in particular to a multifunctional fitness equipment.

Background technique

At present, with the development of the economy and the rapid improvement of people's living standards, people's health awareness has gradually increased, and fitness has become an important part of people's daily life. It can exercise the body. Fitness equipment is often divided into two categories: single-function and comprehensive multi-function according to the number of training functions. Commonly used are rowing machines, fitness bikes, walking machines, treadmills, waist beauty machines, etc. Due to market demand Fitness equipment is widely distributed, in various forms, and can be seen in communities and parks. There are more and more shadows of fitness equipment in families, dormitories and even in some hotels. Fitness and entertainment clubs are becoming more and more common. Existing fitness equipment exercise The method is single and cannot meet the requirements of use;

For example, the technical solution provided by a multifunctional fitness equipment with patent application number CN201020520237.X is that it includes a main frame mechanism, a seat mechanism and a first transmission member installed on the main frame mechanism, through the support frame in the main frame mechanism and barbell components to achieve arm exercise, the seat mechanism includes fitness chairs and arm lift components to exercise the muscles of the calves, thighs, abdomen and buttocks, but the overall structure is too complicated;

The existing multifunctional fitness has the following problems:

(1) The overall structure of the multifunctional fitness equipment is relatively large and complex, and it occupies a large space, which is not suitable for home use, and the process of assembly and transfer is also relatively complex;

(2) Exercise of body parts. The mechanical principle of exercise is relatively simple, and the effect of exercise cannot be further improved. In home exercise equipment, different and independent parts are required for exercise, so that the exercise of a single part of the body can affect the overall exercise. The coordination produces bad effect;

(3) The household multifunctional exercise equipment, due to its simple overall structure and the assembly of the multifunctional exercise parts, lacks the stability of the overall mechanism and cannot perform relatively intense or large-scale exercise movements.

SUMMARY OF THE INVENTION

In order to overcome the deficiencies of the prior art solutions, the present invention provides a multifunctional fitness equipment, which can effectively solve the problems raised by the background technology.

The technical scheme adopted by the present invention to solve its technical problems is:

A multifunctional fitness equipment, comprising a double-bar main support frame and a double-bar sub-support frame, and a front plate and a rear plate arranged at the bottom ends of the double-bar main support frame and the double-bar sub-support frame, the double-bar sub-support frame The top of the double-bar main support frame is connected to the double-bar main support frame through the variable hinge, and the waist fixing device is movably installed on the double-bar main support frame. A first tension device is installed at the connection between the double-bar main support frame and the front plate, a second tension device is arranged on the double-bar sub-support frame, and one end of the first tension device extends to the rear plate, the front plate and the rear plate Both ends of the plate are provided with fixed runner groups, the front plate is provided with a seat cushion, and the rear plate corresponding to the seat cushion is provided with a foot plate.

Further, the first tension device includes two parallel rail rods and a slide rod set in the rail rods, the end of the slide rod located in the rail rod is provided with a slider A, the rail rods and the front plate A slider B is arranged at the connection of the slider, and several sets of tension springs are installed between the slider A and the slider B. The two ends of the slider A are provided with scroll springs, and the other end of the scroll spring is connected to the On the inner wall of the connection between the rail rod and the front panel, one end of the sliding rod is connected to the rear panel.

Further, the waist fixing device includes a position splint and a turntable arranged on the position splint by a torsion device, and two waist support wheels are provided on the position splint on the bottom side of the turntable, and the waist support wheels include arc rods, Both ends of the arc-shaped rod are sleeved with a sponge wheel body, the body of the arc-shaped rod on the inner side of the sponge wheel body is provided with a waist roller wheel, and the position rollers are provided on both sides of the bottom of the position splint. The position roller is clamped on the double-bar main support frame, the position splint is located on the back side of the double-bar main support frame with a fastening screw rod, and one end of the fastening screw rod is provided with a butterfly button.

Further, the torsion device includes a fixed ring fixedly installed on the position splint and a rotating shaft axially installed in the middle of the fixed ring, and a roller bearing is sleeved on the rotating shaft, and the inside of the fixed ring is symmetrically arranged with a roller bearing. A stopper, a three-layer scroll spring is arranged between the roller bearing and the stopper, the rotating shaft and the turntable are fixedly connected together, and a reciprocating shaft is fixedly installed on the shaft of the rotating shaft between the turntable and the roller bearing A paddle is inserted, and the reciprocating paddle is inserted between two blocks located in the fixing ring, and a rigid compression spring is arranged between the reciprocating paddle and the stopper.

Further, the second tension device includes a lead block group arranged between the double-bar sub-support brackets, two ends of the lead block group are embedded in the guide grooves arranged on the inner surface of the double-bar sub-support bracket, and the The top and bottom of the guide groove are provided with lead wheels, the top of the lead block group is connected with two pull wires, and the two pull wires are respectively wound from the lead wheel at the top of the guide groove to the lead wheel at the bottom of the guide groove. The end of the pull wire extending out of the guide groove is connected with a bracelet.

Further, the fixed-rotating wheel set includes a rolling wheel whose shaft is connected to the side surfaces of the front plate and the rear plate, and the rolling wheel is sleeved with a trapezoidal outer cover, and the two waists of the outer cover are arc-shaped, There are several friction strips in the top array of the outer cover, and one side of the outer cover is sleeved on the shaft on the inner side of the rolling wheel through the damping sheet.

Further, the lead block group includes several fixed-weight lead block bodies, a spring buckle is provided between two adjacent lead block bodies, and a buffer rubber pad is provided on the top of the lead block body located at the top of the lead block group, The bottom of the connection between the double-bar sub-support and the rear plate is provided with a slot with the same area as the top of the lead block.

Further, the variable hinge plate includes a semi-circular angle plate arranged on both sides of the top of the double-bar sub-support frame, the arc edge surface of the semi-circular angle plate on one side is provided with a number of limit holes at equal intervals, and the other side is provided with a number of limit holes at equal intervals. A nut is arranged on the outer surface of the semi-circular angle plate opposite to the limit hole, and the limit hole of the semi-circle angle plate is axially penetrated with a limit rod, and the inner surface of the semi-circle angle plate is provided with an arc groove .

Further, the rotating handle is in the shape of an inverted U, and is mounted on the double-bar main support frame through a lockable damping shaft.

Compared with the prior art, the beneficial effects of the present invention are:

(1) The double-bar main support frame and the double-bar sub-support frame of the present invention are arranged on the front plate and the rear plate at the bottom ends of the double-bar main support frame and the double-bar sub-support frame. A first tension device is set between the sub-supports to provide power conversion during the exercise of the fitness equipment, making the overall structure simpler and more functional. The device constitutes three sets of triangular structures, and the ten-point load-bearing is stable and does not roll over;

(2) Double-rod main support and double-rod sub-support, which are arranged on the front and rear plates at the bottom ends of the double-rod main support and double-rod sub-support, and are installed on the double-rod main support and double-rod sub-support The first tension device is set between them to perform sit-ups, push-ups and roller fitness modes, and the arm exercise mode of the second tension device realizes the versatility of the exercise equipment.

(3) The overall movement and fixed mode conversion of the fixed runner set of the present invention enables the fitness equipment to have good mobility and stable fixation during exercise.

Description of drawings

Fig. 1 is the overall structure schematic diagram of the present invention;

2 is a schematic structural diagram of the waist-fixing device of the present invention;

3 is a schematic diagram of the three-dimensional structure of the single-rod part of the double-rod auxiliary support frame of the present invention;

FIG. 4 is a schematic diagram of a plan cross-sectional structure of the double-bar main support frame of the present invention;

Fig. 5 is the structure schematic diagram of the fixed runner set of the present invention;

FIG. 6 is a schematic diagram of a cross-sectional structure of a double-bar sub-support single-bar of the present invention;

FIG. 7 is a schematic structural diagram of the torsion device of the present invention.

Labels in the figure:

1-Double-rod main bracket; 2-Double-rod auxiliary bracket; 3-Front plate; 4-Rear plate; 5-Variable hinge plate; Tension device; 9-fixed wheel set; 10-seat cushion; 11-foot plate; 12-rotating handle; 13-horizontal caster; 14-torsion device; 15-guide groove; 16-damping shaft;

501-semi-circle angle plate; 502-limiting hole; 503-nut; 504-limiting rod;

601-position splint; 602- turntable; 603- waist wheel; 604-position roller; 605- tightening screw; 606- butterfly button;

6031-arc rod; 6032-sponge wheel; 6033-waist roller;

701-rail rod; 702-slide rod; 703-slider A; 704-slider B; 705-tension spring; 706-spiral spring;

801-lead block group; 802-lead wheel; 803-pull wire; 804-hand ring;

8011-lead block body; 8012-spring buckle; 8013-cushion rubber pad; 8014-slotted;

901-rolling wheel; 902-cover; 903-friction strip;

1401-fixed ring; 1402-rotating shaft; 1403-roller bearing; 1404-block; 1405-three-layer scroll spring; 1406-reciprocating paddle; 1407-rigid compression spring.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

As shown in FIG. 1 to FIG. 7 , the present invention provides a multifunctional fitness equipment, including a double-bar main support frame 1 and a double-bar sub-support frame 2, and a double-bar main support frame 1 and a double-bar sub-support frame arranged on the double-bar main support frame 1 and the double-bar support frame. 2 The front plate 3 and the rear plate 4 at the bottom end, the top of the double-bar sub-support 2 is connected to the double-bar main support 1 through the variable hinge plate 5, and the double-bar main support 1 is movably installed with a waist fixing device 6 , the top of the double-bar main support frame 1 is provided with a turning handle 12 and a horizontal caster 13, a first tension device 7 is installed at the connection between the double-bar main support frame 1 and the front plate 3, and a second tension device 7 is installed on the double-bar auxiliary support frame 2. Tensioning device 8, one end of the first tensioning device 7 extends to the rear plate 4, both ends of the front plate 3 and the rear plate 4 are provided with a fixed wheel set 9, and the front plate 3 is provided with a seat cushion 10, and the seat A foot plate 11 is provided on the rear plate 4 corresponding to the pad 10 .

In the present invention, a certain angle connection structure is formed by the double-bar main support 1 and the double-bar sub-support 2, and the connection angle between the double-bar main support 1 and the double-bar sub-support 2 is changed by the variable hinge plate 5 , so as to adapt to people with different heights and leg lengths to make reasonable exercise choices. The person sits on the waist-fixing device 6, and his feet are pinned on the horizontal casters 13 to complete the sit-up functional structure of the equipment. At the same time, the waist-fixing device 6 can also be used in Actively provide circumferential rotation of the waist during the process of sit-ups, and exercise the side muscles of the waist;

Wherein, the seat cushion 10 can be supported by the bionic structure of the human thigh, so that it can better adapt to the sitting posture of the human body. At the same time, a support structure for the waist of the human body can be provided on the back side of the seat cushion 10, so as to protect the waist during exercise. When the person sits on the seat cushion 10 , the feet are placed on the foot plate 11 on the rear plate 4 , and the angle lock of the double-bar sub-support 2 is released through the variable hinge plate 5 , and the tension of the first tension device 7 is matched. and contraction, complete the expansion and bending exercise of the legs, and exercise the muscle groups of the legs;

During the extension and bending exercise of the legs, the fixed runner set 9 on the front board 3 is kept in contact with the floor, while the fixed runner set 9 on the rear board 4 is in rolling contact with the floor, providing a good single point Fixed, and when the fixed runner groups 9 on the front plate 3 and the rear plate 4 are in rolling contact with the floor, the position of the fitness equipment can be easily moved, and when doing sit-ups, the fixed runner groups 9 are all in contact with the floor. For the friction surface contact, at the same time, the double-bar main support frame 1, the double-bar sub-support frame 2 and the first tension device 7 form a stable triangular structure, which ensures the double-bar main support frame 1, the double-bar sub-support frame 2 and the first tension force. The connection of the device 7 is stable in the longitudinal direction. At the same time, the double-bar main support 1 and the double-bar sub-support 2 of the two steel pipe structures, as well as the horizontal support of the front plate 3 and the rear plate 4, provide the horizontal direction of the device structure. The stability of the whole is not easy to roll over during the exercise.

In the present invention, one end of the double-bar main support frame 1 and the double-bar sub-support frame 2 is connected to 1/3 of the length of the front plate 3 and the rear plate 4, so that the double-bar main support frame 1 and the double-bar sub-support frame 2 The overall center of gravity of the formed connection structure is biased to one side of the front plate 3 and the rear plate 4, wherein the double-bar main support 1 and the double-bar auxiliary support 2 are two steel pipes with a diameter of 4-6 cm, and the double-pole auxiliary support The opposite surface of the steel pipe of the frame 2 is provided with a guide groove 15 along the longitudinal direction, and a core rod is provided inside the steel pipe on the inner side of the guide groove 15, so as to strengthen the overall structural rigidity.

The first tension device 7 in the present invention includes two rail bars 701 arranged in parallel and a slide bar 702 arranged in the rail bar 701. A slider A703 is provided at the end of the slide bar 702 inside the rail bar 701. The rail bars 701 and A slider B704 is provided at the connection of the front plate 3, several sets of tension springs 705 are installed between the slider A703 and the slider B704, and scroll springs 706 are arranged at both ends of the slider A703, and the other end of the scroll spring 706 is connected to the On the inner wall of the connection between the rail bar 701 and the front panel 3, one end of the slide bar 702 is connected to the rear panel 4. When performing the extension and bending exercise of the legs, the slide bar 702 reciprocates and expands in the rail bar 701, and with the help of the slider The tension springs 705 between A703 and the slider B704 provide power conversion during exercise and reverse force on the legs to achieve the effect of exercise, and several sets of tension springs 705 can be installed on the slider in the form of hooks On A703 and slider B704, the number of tension springs can be adjusted to enhance or reduce exercise intensity;

The scroll springs 706 are arranged on both sides of the slider A703 to supplement the elastic tension of the tension spring 705. At the same time, the scroll spring 706 has a certain limit of extensibility to limit the extension range of the tension spring 705. At the same time, the sliding rod 702 and The damping contraction between the rail rods 701 reduces the contraction speed of the sliding rod 702 under the restoring force of the tension spring 705, while the scroll spring 706 can be realized by adopting a damping rod or setting a damping sheet between the sliding rod 702 and the rail rod 701, thereby To ensure the uniformity of the movement during the exercise, and at the same time to ensure the safety of the exercise;

Properly expand the angle between the double-bar main support frame 1 and the double-bar sub-support frame 2, and use the variable hinge 5 to fix the angle of the two, and in a push-up position, place your hands on the seat cushion 10 and your feet Press 11 to perform push-up exercise, and in the push-up exercise posture, release the angle lock between the double-bar main support frame 1 and the double-bar sub-support frame 2, and use the pulling force of the first tension device 7, then Roller fitness waist muscle exercises can be done.

The waist fixing device 6 in the present invention includes a position splint 601 and a turntable 602 arranged on the position splint 601 by the torsion device 14. The position splint 601 on the bottom side of the turntable 602 is provided with two waist support wheels 603. The waist support wheels 603 include The arc-shaped rod 6031, the two ends of the arc-shaped rod 6031 are sheathed with a sponge wheel body 6032, the inner side of the arc-shaped rod 6031 of the sponge wheel body 6032 is provided with a waist roller wheel 6033, and the bottom side surfaces of the position splint 601 are provided with Position roller 604, the position roller 604 is clamped on the double-bar main support frame 1, the position splint 601 is located on the back side of the double-bar main support frame 1 and is provided with a tightening screw 605, and one end of the tightening screw 605 is provided with a butterfly button 606;

A positioning roller 604 is arranged at the bottom of the positioning splint 601, and the tightening screw 605 can be tightened and released through the butterfly button 606, so that the positioning splint 601 can slide up and down on the double-bar sub-support 2, and the positioning and locking of different positions of the positioning splint 601 can be performed. , the arc bar 6031 can produce a static friction displacement in the upward direction of the double-bar sub-support frame 2 at the moment of lying down during the sit-up exercise, so that the waist contacts the waist at the moment of the sit-up and lying down. Roller 6033, and make the waist roller 6033 rotate counterclockwise, and when the sit-up exercise gets up, it makes the waist roller 6033 rotate clockwise, and the reciprocating rotation of the waist roller 6033 squeezes the waist. Press and roll massage.

The torsion device 14 in the present invention includes a fixed ring 1401 fixedly installed on the position splint 601 and a rotating shaft 1402 axially installed in the middle of the fixed ring 1401, and the rotating shaft 1402 is sleeved with a roller bearing 1403, and the inside of the fixed ring 1401 is left and right A stopper 1404 is symmetrically arranged, a three-layer scroll spring 1405 is arranged between the roller bearing 1403 and the stopper 1404, the rotating shaft 1402 and the turntable 602 are fixedly connected together, and the rotating shaft 1402 between the turntable 602 and the roller bearing 1403 A reciprocating paddle 1406 is fixedly installed on the shaft body, and the reciprocating paddle 1406 is inserted between two blocks 1404 in the fixing ring 1401, and a rigid compression spring 1407 is arranged between the reciprocating paddle 1406 and the stopper 1404;

When the human body sits on the turntable 602, the part above the waist will swing sideways during the sit-up process, so that the circumferential movement of the waist will exert a torsion force on the turntable 602, and further the waist after the half-body flexion is completed. The circumferential movement will make the reciprocating paddle 1406 rotate around the rotating shaft 1402, and complete the compression of the rigid compression spring 1407 and the torsional energy storage of the three-layer scroll spring 1405, wherein the essence of the three-layer scroll spring 1405 is only three coils. The coil spring of the circle, when the waist rotates circumferentially in the opposite direction, generates a reverse force on the turntable 602, and the human body controls the waist to resist the reverse force, improving the muscle training effect of the waist rotation, while the roller bearing 1403 reduces the rotation During the rotation of the shaft 1402 , the gravity along the component force of the double-bar main support frame 1 prolongs the service life of the rotating shaft 1402 .

In the present invention, three arm exercise modes are also provided by the second tension device 8. The second tension device 8 includes a lead block group 801 arranged between the double-bar sub-supports 2, and the two ends of the lead block group 801 are embedded and arranged In the guide groove 15 on the inner surface of the double-bar sub-support 2, and the top and bottom of the guide groove 15 are provided with lead pulleys 802, the top of the lead block group 801 is connected with two pull wires 803, and the two pull wires 803 respectively extend from The lead wheel 802 at the top of the guide groove 15 is wound around the lead wheel 802 at the bottom of the guide groove 15, and the end of the pull wire 803 extending out of the guide groove 15 is connected with a bracelet 804;

The first is to cooperate with the sit-up exercise. During the sit-up and the waist lying flat, the hands respectively pull the bracelets 804 on the pull wires 803 on both sides of the second tension device 8, and the pull wires 803 pass through the top and the bottom of the guide groove 15. The pulley structure formed by the lead wheel 802 set at the bottom pulls the lead block group 801, so that the lead block group 801 moves in the guide groove 15 to form the exercise of the biceps muscle; the second is to cooperate with the rotation of the handle 12 to exercise, and the bracelet 804 is set On the rotating handle 12, exercise is performed by rotating the rotating handle 12 to pull the movement of the lead block group 801; the third exercise method is to stand directly on the front side of the double-bar sub-support 2, and bend the arm upward to pull the pull wire 803 to exercise. , to meet a variety of exercise needs.

The fixed-rotating wheel set 9 includes a rolling wheel 901 whose shaft is connected to the sides of the front plate 3 and the rear plate 4, and the rolling wheel 901 is sleeved with an outer cover 902 with a trapezoidal longitudinal section. The two waists of the outer cover 902 are arc-shaped, and the outer cover 902 There are several friction strips 903 in the top array of the outer cover 902, and one side of the outer cover 902 is set on the shaft inside the rolling wheel 901 through the damping sheet. The friction strip 903 is in contact with the ground, and the rolling wheels 901 of the rear plate 4 are in contact with the ground, so that the rear plate 4 is in a relatively active state. cover 902, thereby increasing static friction.

The lead block group 801 includes several fixed-weight lead block bodies 8011, a spring buckle 8012 is provided between two adjacent lead block bodies 8011, and a buffer rubber pad 8013 is provided on the top of the lead block body 8011 at the top of the lead block group 801, A slot 8014 with the same area as the top of the lead block 8011 is provided at the bottom of the connection between the double-bar sub-support 2 and the rear plate 4, and the lead block 8011 can be added and replaced through the slot 8014.

The variable hinge plate 5 includes a semi-circular angle plate 501 arranged on both sides of the top of the double-bar sub-support 2. The arc edge surface of the semi-circular angle plate 501 on one side is provided with a number of limit holes 502 at equal intervals, and the semi-circular angle plate 501 on the other side is provided with a number of limit holes 502 at equal intervals. A nut 503 is provided on the outer surface of the disk 501 opposite to the limiting hole 502 , and the limiting hole 502 of the semi-circular angle disk 501 axially penetrates the limiting rod 504 , and the inner surface of the semi-circular angle disk 501 is provided with an arc groove.

The turning handle 12 has an inverted U shape and is mounted on the double-bar main support frame 1 through a lockable damping shaft 16 .

It will be apparent to those skilled in the art that the present invention is not limited to the details of the above-described exemplary embodiments, but that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. Therefore, the embodiments are to be regarded in all respects as illustrative and not restrictive, and the scope of the invention is defined by the appended claims rather than the foregoing description, which are therefore intended to fall within the scope of the appended claims. All changes within the meaning and range of the equivalents of , are included in the present invention. Any reference signs in the claims shall not be construed as limiting the involved claim.

Claims (3)

1. A multifunctional fitness equipment is characterized in that: comprise a double-bar main support frame (1) and a double-bar auxiliary support frame (2), and be arranged on the double-bar main support frame (1) and the double-bar auxiliary support frame ( 2) The front plate (3) and the rear plate (4) at the bottom end, the top of the double-bar sub-support (2) is connected to the double-bar main support (1) through the variable hinge plate (5), so A waist-fixing device (6) is movably installed on the double-bar main support frame (1), and a rotating handle (12) and a horizontal caster (13) are arranged on the top of the double-bar main support frame (1). A first tension device (7) is installed at the connection between the main support frame (1) and the front plate (3), and a second tension device (8) is installed on the double-bar auxiliary support frame (2). One end of the device (7) extends to the rear plate (4), both ends of the front plate (3) and the rear plate (4) are provided with fixed runner groups (9), and the front plate (3) is provided with a seat cushion (10), and a foot plate (11) is provided on the rear plate (4) corresponding to the seat cushion (10); The first tension device (7) comprises two rail bars (701) arranged in parallel and a sliding bar (702) arranged in the rail bars (701), the sliding bars (702) being located in the rail bars (701) A sliding block A (703) is provided at the end of the rail, and a sliding block B (704) is provided at the connection between the rail rod (701) and the front plate (3). The sliding block A (703) and the sliding block B (704) A number of sets of tension springs (705) are installed between ), the two ends of the slider A (703) are provided with scroll springs (706), and the other end of the scroll springs (706) is connected to the rail rod (701) On the inner wall of the connection with the front plate (3), one end of the sliding rod (702) is connected to the rear plate (4); The waist-fixing device (6) comprises a position splint (601) and a turntable (602) arranged on the position splint (601) by a torsion device (14), and the position splint (601) on the bottom side of the turntable (602) is on the position splint (601). Two waist-supporting wheels (603) are provided, the waist-supporting wheels (603) include arc-shaped rods (6031), and both ends of the arc-shaped rods (6031) are sheathed with sponge wheel bodies (6032), and the sponge A waist roller (6033) is provided on the body of the arc-shaped rod (6031) on the inner side of the wheel body (6032); (604) is clamped on the double-bar main support frame (1), the position clamp plate (601) is located on the back side of the double-bar main support frame (1) and is provided with a tightening screw (605), and the tightening screw One end of (605) is provided with a butterfly button (606); The torsion device (14) comprises a fixing ring (1401) fixedly installed on the position splint (601) and a rotating shaft (1402) axially installed in the middle of the fixing ring (1401), and the rotating shaft (1402) A roller bearing (1403) is sleeved, a stopper (1404) is arranged symmetrically inside the fixing ring (1401), and a three-layer scroll spring (1404) is arranged between the roller bearing (1403) and the stopper (1404). 1405), the rotating shaft (1402) and the turntable (602) are fixedly connected together, and a reciprocating paddle is fixedly installed on the shaft body of the rotating shaft (1402) between the turntable (602) and the roller bearing (1403). (1406), and the reciprocating paddle (1406) is inserted between the two blocks (1404) located in the fixing ring (1401), between the reciprocating paddle (1406) and the stopper (1404) a Rigid compression spring (1407); The second tension device (8) includes a lead block group (801) arranged between the double-bar sub-supports (2), and both ends of the lead block group (801) are embedded in the double-bar sub-support (2). 2) In the guide groove (15) on the inner surface, and the top and bottom of the guide groove (15) are provided with lead wheels (802), and the top of the lead block group (801) is connected with two pull wires (803) ), and the two pull wires (803) respectively wind from the lead wheel (802) at the top of the guide groove (15) to the lead wheel (802) at the bottom of the guide groove (15), and the pull wires (803) extend out of the guide groove The end of (15) is connected with a bracelet (804); The lead block group (801) includes several fixed-weight lead block bodies (8011), and a spring buckle (8012) is arranged between two adjacent lead block bodies (8011), located in the lead block group (801) The top lead block (8011) is provided with a buffer rubber pad (8013), and the bottom of the connection between the double-bar sub-support (2) and the rear plate (4) is provided with the same area as the top of the lead block (8011). Slotted (8014); The variable hinge plate (5) includes a semi-circular angle plate (501) arranged on both sides of the top of the double-bar sub-support frame (2), and the arc edge surface of the semi-circular angle plate (501) on one side is equidistantly provided with several There are limit holes (502), a nut (503) is provided on the outer surface of the semi-circular angle plate (501) on the other side opposite to the limit hole (502), and the semi-circular angle plate (501) is provided with a nut (503). The limiting hole (502) axially penetrates the limiting rod (504), and the inner surface of the semi-circular angle plate (501) is provided with an arc-shaped groove. 2. A kind of multifunctional fitness equipment according to claim 1, it is characterized in that: described fixed runner group (9) comprises the rolling wheel (the axle is connected on the side surface of front plate (3) and rear plate (4) (4)) 901), and a cover (902) with a trapezoidal longitudinal section is sleeved on the rolling wheel (901), the two waists of the cover (902) are arc-shaped, and the top array of the cover (902) has several A friction strip (903), one side of the outer cover (902) is sheathed on the inner shaft of the rolling wheel (901) through a damping sheet. 3. A multifunctional fitness equipment according to claim 1, characterized in that: the rotating handle (12) is in an inverted U shape, and is installed on the double-bar main support frame (16) through a lockable damping shaft (16). 1) on.

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