Sports equipment for physical training

Abstract

Sports equipment for physical training relates to the field of sports equipment and comprises a bottom frame, side fixing frames are welded and fixed to the two sides of the rear end of the bottom frame, guide grooves are formed in the side fixing frames, a barbell is installed between the two guide grooves, and barbell protection mechanisms are installed at the upper ends of the side fixing frames. The barbell protection mechanism comprises a winding disc, the winding disc is rotationally connected with the side fixing frame, a protection belt is wound around the outer portion of the winding disc, the other end of the protection belt is fixed to the barbell located at one end in the guide groove, a fixed pad is slidably installed on the upper end face of the bottom frame, and a movable pad is installed at the rear end of the fixed pad. According to the scheme, the barbell type physical training device solves the problem that a trainer is injured due to the fact that the barbell type physical training device is prone to falling in the using process.

Description

TECHNICAL FIELD

[0001] The utility model relates to physical training equipment technical field, concretely is physical training equipment for physical training. BACKGROUND

[0002] Physical training equipment covers the diversification equipment from the basis to the high end, including dumbbell, barbell and other free weight equipment for enhancing muscle strength and endurance, treadmill, spinning and rowing machine and other aerobic equipment effectively promote heart and lung function and fat burning efficiency, there are functional training frame, balance ball and elastic band, etc., specially designed for improving body coordination, flexibility and core stability, these equipment comprehensive use, can comprehensively promote the promotion of personal physical quality and the optimization of health.

[0003] For example, the Chinese authorized patent "a barbell for sports strength training" with the announcement number CN211383621U, including the bottom plate, the upper surface of the bottom plate is fixedly connected with the first support column, the upper end of the sliding rod is connected with the front side of the movable column, the screw rod is rotatably connected with the inner side of the second support column, the top end of the movable column is welded with the connecting plate, the lower surface of the movable plate is welded with the fixed frame, the lower end of the fixed frame is hingedly connected with the baffle, the inner side of the movable column is slidably connected with the lever, and the lower side of the lever is provided with the clamping block, the middle part of the upper surface of the bottom plate is welded with the fixed plate, the upper end of the movable block is hingedly connected with the rear side of the lower end of the deck body, and the lower end of the lifting rod is hingedly connected with the fixed plate.

[0004] The above-mentioned prior art in actual use, the human body in the limit physical condition, easy to appear instantaneous muscle weakness, the training person who lies down loses the supporting force of the barbell, and in the free falling state, it is easy to cause harm to the trainer, therefore, it does not satisfy the existing demand, for this, we put forward a kind of physical training equipment for physical training. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of physical training equipment for physical training to solve the problem that barbell type physical training equipment in the prior art is prone to falling in use and causes injury to the trainer.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of physical training equipment for physical training, including chassis, the both sides of the rear end of the chassis are welded and fixed with side fixed frame, the inside of the side fixed frame is provided with guide slot, the barbell is installed between the two guide slots, the upper end of the side fixed frame is installed with barbell protection mechanism, the barbell protection mechanism includes winding disc, and winding disc is rotatably connected with side fixed frame, the outside of winding disc is wound with protective belt, and the other end of protective belt is fixed with the barbell in the inside one end of guide slot, the upper end surface of the chassis is slidably installed with fixed pad, the rear end of the fixed pad is installed with movable pad, and movable pad is connected with fixed pad by pivot.

[0007] Preferably, one end of the winding disc is fixedly installed with a center piece on the connecting shaft of the side fixed frame, one end of the crossbar of the center piece is provided with a supporting pivot point, the outer part of the center piece is installed with a movable piece, the movable piece is pulled and rotated by the center piece, and the supporting pivot point is limited in the notch of the movable piece, the outer part of the movable piece is provided with a fixed disc, and the fixed disc is fixed with the side fixed frame through screws, the inner ring of the fixed disc is provided with ring-distributed clamping teeth, and the clamping teeth are matched with the teeth on the outer part of the movable piece.

[0008] Preferably, the other end of the winding disc is installed with a winding spring on the connecting shaft of the side fixed frame.

[0009] Preferably, the inner part of the base frame is rotatably installed with a screw rod, the outer part of the screw rod is installed with a sliding block, the inner screw hole of the sliding block is matched with the screw rod, the upper end of the sliding block is fixed with the bottom of the fixed pad, and one end of the screw rod is connected with a first motor fixed with the base frame.

[0010] Preferably, the connecting shaft between the fixed pad and the movable pad is fixedly installed with a worm gear, the lower part of the worm gear is installed with a worm shaft matched with the worm gear, and one end of the worm shaft is connected with a second motor.

[0011] Preferably, the front end of the base frame is welded and fixed with a front support frame, the upper part of the front support frame is provided with a fixed leg support, the lower end of the front support frame is provided with a movable leg support, and the fixed leg support and the movable leg support are both composed of a mounting frame and a sponge roller.

[0012] Preferably, the inner part of the fixed pad and the movable pad is both provided with an elastic sponge, and the outer part of the elastic sponge is wrapped with artificial leather.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. The utility model discloses a barbell protection mechanism is provided with, and the horizontal pole of barbell is limited in the inside of guide groove, and is dragged by the protective band, when the trainer uniform speed lifts the barbell, the horizontal pole of barbell rises in the guide groove, and under the action of the volute spring, the protective band is reeled on the take -up disc, when the barbell is stressed uniform speed and falls, the shaft of the take -up disc other end drives the center piece slow rotation, drives the movable element to move along with it, when the movable element upper tooth is in the slow uniform speed state and does not with the pawl on the fixed disc carding, but when the trainer cannot form the support to the barbell because of the muscle weakness and leads to its rapid falling, at this moment, the center piece rotates rapidly, the movable element cannot the rotation speed of center piece, and under the action of the fulcrum pivot point, the tooth on the movable element and pawl carding, and through the protective band realizes the barbell's emergency stop, avoids the harm to the trainer because of the barbell rapid falling, the barbell protection mechanism design is reasonable, can not only influence the daily training of user, simultaneously provides effective guarantee for safe training.

[0015] 2. The utility model discloses a back cushion adjusting mechanism is provided with, after the user lies on the back cushion, can adjust the front -and -back position of fixed pad and the inclination angle of movable pad through the controller, when the first motor starts, its output shaft drives the rotation of screw rod, under the friction with the screw hole in sliding block, will convert the rotary motion into linear motion, to meet the position requirement of trainer, through the opening of second motor, its output shaft drives the rotation of worm, the contact surface between worm and worm wheel forms a helical friction transmission surface, through the rotation of worm to drive the rotation of worm wheel, further through the rotation of movable pad's axle of worm wheel, further realizes the adjustment of movable pad angle, under the action of this adjusting mechanism, can ensure that the trainer can carry out physical training with suitable posture, avoids the problem that the training effect is influenced because of the deformation of posture in the training process.

[0016] 3. The utility model discloses a fixed leg support and movable leg support are provided with respectively on the front end of front support frame, the fixed leg support and movable leg support all are composed of mounting frame and sponge roller, the mounting frame on fixed leg support is fixed, and the corresponding sponge roller provides support for the knee part of trainer, the mounting frame on movable leg support is movable, and the corresponding sponge roller is convenient for sticking on the instep of trainer, to be convenient for the sit -up training of trainer, improved the functionality of this sports equipment. ACCURACY OF DRAWINGS

[0017] Figure 1 It is the perspective drawing of the utility model;

[0018] Figure 2 It is the front view of the utility model;

[0019] Figure 3 It is the side view of the utility model;

[0020] Figure 4The top view of the utility model;

[0021] Figure 5 The structure schematic diagram of the winding disc in the normal state of the utility model;

[0022] Figure 6 The structure schematic diagram of the winding disc in the state of the rapid falling of the barbell of the utility model.

[0023] In the drawing: 1, the bottom frame; 2, the fixed pad; 3, the movable pad; 4, the side fixed frame; 5, the guide slot; 6, the barbell protection mechanism; 7, the fixed leg support; 8, the movable leg support; 9, the front support frame; 10, the barbell; 11, the winding disc; 12, the coil spring; 13, the protective belt; 14, the screw rod; 15, the sliding block; 16, the first motor; 17, the worm wheel; 18, the worm; 19, the second motor; 20, the fixed disc; 21, the clamping tooth; 22, the center piece; 23, the movable piece; 24, the pivot point. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0025] Please refer to Figures 1-6 The utility model provides an embodiment: a sports apparatus for physical training, including bottom frame 1, the both sides of bottom frame 1 rear end are all welded and fixed with side fixed frame 4, the inside of side fixed frame 4 is all provided with guide slot 5, and the barbell 10 is installed between two guide slots 5, and the upper end of side fixed frame 4 is installed with barbell protection mechanism 6, and barbell protection mechanism 6 includes winding disc 11, and winding disc 11 is connected with side fixed frame 4 rotationally, and the outside of winding disc 11 is wound with protective belt 13, and the other end of protective belt 13 is fixed with barbell 10 in the inside one end of guide slot 5, and the upper end surface of bottom frame 1 is installed with fixed pad 2 slidingly, and the rear end of fixed pad 2 is installed with movable pad 3, and movable pad 3 is connected with fixed pad 2 through pivot, and the inside of fixed pad 2 and movable pad 3 is equipped with elastic sponge, and the outside of elastic sponge is wrapped with artificial leather.

[0026] Please refer to Figure 4 And Figure 6The connecting shaft of one end of the winding disc 11 is fixedly installed with a center piece 22, one end of the crossbar of the center piece 22 is provided with a pivot point 24, the outer part of the center piece 22 is installed with a movable piece 23, the movable piece 23 is pulled and rotated by the center piece 22, and the pivot point 24 is limited in the notch of the movable piece 23, the outer part of the movable piece 23 is provided with a fixed disc 20, and the fixed disc 20 is fixed with the side fixed frame 4 through a screw, the inner ring of the fixed disc 20 is provided with ring-shaped distributed clamping teeth 21, and the clamping teeth 21 are matched with the teeth outside the movable piece 23, and the other end of the winding disc 11 is installed with a coil spring 12 on the connecting shaft of the side fixed frame 4.

[0027] When the trainer evenly lifts the barbell 10, the crossbar of the barbell 10 rises in the guide groove 5, and the protective belt 13 is wound on the winding disc 11 under the action of the coil spring 12, when the barbell 10 is forced to descend at a constant speed, the shaft of the other end of the winding disc 11 drives the center piece 22 to rotate slowly, and drives the movable piece 23 to move, at this time, the teeth on the movable piece 23 will not be clamped with the clamping teeth 21 on the fixed disc 20 in a slow and uniform speed state, but when the trainer cannot support the barbell 10 due to muscle weakness, causing it to fall rapidly, at this time, the center piece 22 rotates rapidly, the movable piece 23 cannot rotate at the speed of the center piece 22, and the teeth on the movable piece 23 are clamped with the clamping teeth 21 under the action of the pivot point 24, and the barbell 10 is rapidly stopped through the protective belt 13, avoiding injury to the trainer caused by the rapid falling of the barbell 10.

[0028] Please refer to Figure 3 and Figure 4 The inner part of the base frame 1 is rotatably installed with a screw rod 14, the outer part of the screw rod 14 is installed with a sliding block 15, the inner screw hole of the sliding block 15 is matched with the screw rod 14, and the upper end of the sliding block 15 is fixed with the bottom of the fixed pad 2, one end of the screw rod 14 is connected with the first motor 16 fixed with the base frame 1, the connecting shaft of the fixed pad 2 and the movable pad 3 is fixedly installed with a worm gear 17, the lower part of the worm gear 17 is installed with a worm 18 matched therewith, and one end of the worm 18 is connected with the second motor 19.

[0029] When the first motor 16 is started, the output shaft drives the screw rod 14 to rotate, and under the friction with the inner screw hole of the sliding block 15, the rotary motion is converted into linear motion, so as to drive the fixed pad 2 above to move forward and backward through the sliding block 15, so as to meet the position requirement of the trainer, by starting the second motor 19, the output shaft drives the worm 18 to rotate, the contact surface between the worm 18 and the worm gear 17 forms a spiral friction transmission surface, the rotation of the worm 18 drives the rotation of the worm gear 17, and then the rotation of the shaft of the movable pad 3 is driven through the worm gear 17, so as to realize the adjustment of the angle of the movable pad 3.

[0030] Please refer to Figure 1 and Figure 2The front end of the bottom frame 1 is welded with a front support frame 9, the upper part of the front support frame 9 is provided with a fixed leg support 7, the lower end of the front support frame 9 is provided with a movable leg support 8, the fixed leg support 7 and the movable leg support 8 are both composed of a mounting frame and a sponge roller, the mounting frame on the fixed leg support 7 is welded with the front support frame 9, the mounting frame on the movable leg support 8 is connected with the front support frame 9 through a rotating shaft, the corresponding sponge roller is conveniently adhered to the instep of the trainer, so that the trainer can conveniently perform sit-up training, and the functionality of the sports equipment is improved.

[0031] It is apparent for those skilled in the art that the present application is not limited to the details of the above-described exemplary embodiments, but rather that it can be implemented in other embodiments without departing from the spirit or essential characteristics of the present application. Thus, the present application should not be considered as being limited to the embodiments described herein, but rather that it can be embodied in other ways, which will become apparent to those skilled in the art from considering the disclosure. Therefore, the scope of the application should be determined not from the above description but from the claims below, and all changes which come within the meaning and range of equivalents of the claims are to be embraced by the application. Any reference signs in the claims should not be construed as limiting the claims concerned.

Claims

1. Sports apparatus for physical training, comprising a chassis (1), characterised in that: Both sides of the rear end of the chassis (1) are welded and fixed with side fixing frames (4), the interiors of the side fixing frames (4) are provided with guide grooves (5), a barbell (10) is installed between the two guide grooves (5), a barbell protection mechanism (6) is installed at the upper end of the side fixing frame (4), the barbell protection mechanism (6) comprises a winding disc (11), the winding disc (11) is rotatably connected with the side fixing frame (4), the exterior of the winding disc (11) is wound with a protective belt (13), the other end of the protective belt (13) is fixed with the barbell (10) at one end in the guide groove (5), a fixed pad (2) is slidably installed at the upper end surface of the chassis (1), a movable pad (3) is installed at the rear end of the fixed pad (2), and the movable pad (3) is connected with the fixed pad (2) through a rotating shaft.

2. The sports machine for physical training according to claim 1, characterized in that: A center piece (22) is fixedly installed on the connecting shaft of one end of the winding disc (11) and the side fixing frame (4), one end of the crossbar of the center piece (22) is provided with a supporting pivot point (24), an active piece (23) is installed on the exterior of the center piece (22), the active piece (23) is pulled and rotated by the center piece (22), and the supporting pivot point (24) is limited in the notch of the active piece (23), a fixed disc (20) is arranged on the exterior of the active piece (23), and the fixed disc (20) is fixed with the side fixing frame (4) through screws, the inner ring of the fixed disc (20) is provided with annularly distributed clamping teeth (21), and the clamping teeth (21) are matched with the teeth on the exterior of the active piece (23).

3. The sports machine for physical training according to claim 2, characterized in that: A coil spring (12) is installed on the connecting shaft of the other end of the winding disc (11) and the side fixing frame (4).

4. The sports machine for physical training according to claim 1, characterized in that: A screw rod (14) is rotatably installed in the interior of the chassis (1), a sliding block (15) is installed on the exterior of the screw rod (14), the internal screw hole of the sliding block (15) is matched with the screw rod (14), the upper end of the sliding block (15) is fixed with the bottom of the fixed pad (2), and one end of the screw rod (14) is connected with a first motor (16) fixed with the chassis (1).

5. The sports machine for physical training according to claim 1, characterized in that: A worm wheel (17) is fixedly installed on the connecting shaft of the fixed pad (2) and the movable pad (3), a worm gear (18) matched with the worm wheel (17) is installed below the worm wheel (17), and one end of the worm gear (18) is connected with a second motor (19).

6. The sports machine for physical training according to claim 1, characterized in that: The front end of the chassis (1) is welded and fixed with a front support frame (9), a fixed leg support (7) is arranged above the front support frame (9), a movable leg support (8) is arranged at the lower end of the front support frame (9), the fixed leg support (7) and the movable leg support (8) are both composed of a mounting frame and a sponge roller, the mounting frame on the fixed leg support (7) is welded and fixed with the front support frame (9), and the mounting frame on the movable leg support (8) is connected with the front support frame (9) through a rotating shaft.

7. The sports machine for physical training according to claim 1, characterized in that: The interiors of the fixed pad (2) and the movable pad (3) are both provided with elastic sponges, and the exteriors of the elastic sponges are wrapped with artificial leathers.

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