CN108704257B

CN108704257B - Free bench press protection device

Info

Publication number: CN108704257B
Application number: CN201810542768.XA
Authority: CN
Inventors: 罗燕美
Original assignee: Zhejiang Redsun Teaching Equipment Co ltd
Current assignee: Chen Bin
Priority date: 2018-05-30
Filing date: 2018-05-30
Publication date: 2020-10-23
Anticipated expiration: 2038-05-30
Also published as: CN108704257A

Abstract

The invention discloses a free bench press protection device, which comprises a support plate arranged at intervals, wherein a plurality of hooks are arranged on the front wall surface of the support plate at intervals, barbells are hung on the hooks, and a bench press is arranged in front of the support plate, and is characterized in that: be equipped with the protection device that can pull up the barbell between the backup pad one side is equipped with the locking device that can lock protection device, can be pulling up the barbell through being equipped with protection device, lock protection device through locking device under the normal conditions, prevent that protection device from dropping to make the barbell pull up, do not have strength or can make protection device whereabouts through unblock locking device under emergency when the person of taking exercise, make the barbell pull up the effect that plays the protection, can enough temper the stability of muscle, fine guard action has also been played, and simple structure, high durability and convenient use.

Description

Free bench press protection device

Technical Field

The invention relates to the field of free bench press protection, in particular to a free bench press protection device.

Background

The existing bench press is divided into a free instrument bench press and a fixed instrument bench press, the protection of the fixed instrument bench press on people is strong, but the relative motion track of the fixed instrument is fixed, so that the stability of muscles is difficult to exercise, and the free instrument bench press still needs to be exercised.

Disclosure of Invention

The invention aims to overcome the defects in the prior art and provides the free bench press protection device which is simple in structure and convenient to use.

In order to achieve the purpose, the invention adopts the following scheme:

the utility model provides a protection device is pushed away to free bench press, is equipped with the backup pad including the interval be equipped with a plurality of couples on the wall before the backup pad interval hang the barbell on the couple backup pad the place ahead is equipped with the bench press, its characterized in that: a protective device capable of pulling up the barbell is arranged between the supporting plates, and a locking device capable of locking the protective device is arranged on one side of the supporting plates.

The free bench press protection device is characterized by comprising a bottom plate arranged between the bottoms of supporting plates, a top plate is arranged between the tops of the supporting plates, a guide rod is arranged between the top plate and the bottom plate, a first movable plate is movably sleeved on the guide rod, two sides of the first movable plate are movably arranged on the inner side wall surface of the supporting plates, a second movable plate is arranged above the first movable plate, the second movable plate is movably sleeved on the guide rod, a plurality of iron blocks are arranged above the second movable plate, the iron blocks are movably sleeved on the guide rod, a plurality of positioning holes are arranged on the guide rod at intervals, through holes are arranged at positions of the iron blocks corresponding to the positioning holes, the positioning holes and the through holes are fixed through positioning pins, a second supporting plate is arranged at intervals in the middle of the front of the first movable plate, and a first rotating shaft is arranged between the second supporting plates, third supporting plates are arranged in the middle of the front of the top plate at intervals, a second rotating shaft is arranged between the third supporting plates, a roller is arranged on the second rotating shaft, a fixed block is arranged in the middle of the barbell, a pull rope is connected onto the fixed block and wound on the roller, the other end of the pull rope is connected with a first rotating shaft, a guide groove is arranged on one side of the supporting plates, a lead screw is arranged in the guide groove, a gear groove is arranged at the lower end of the guide groove, a first bevel gear is arranged in the gear groove and is connected with the lead screw, a second bevel gear is arranged below the first bevel gear and is arranged on the side surface of the supporting plate through a bearing, the first bevel gear is meshed with the second bevel gear, a rotating handle is arranged on the outer side shaft center of the second bevel gear, and a moving block is movably arranged in the, the moving block is connected with one side of the second moving plate and is in threaded connection with the lead screw.

The free bench press protection device is characterized in that the locking device comprises a support plate and a guide groove, a fourth support plate is arranged on the same side wall surface of the support plate and the guide groove, a second guide groove is formed in the fourth support plate, a second moving block is movably arranged in the second guide groove, an L-shaped guide plate capable of preventing the second moving block from falling off is arranged at the bottom of the fourth support plate, a pedal is arranged at the front end of the second moving block, a fifth support plate is transversely arranged at the front end of the fourth support plate, a spring is arranged between the pedal and the fifth support plate, a support rod is vertically arranged at the rear end of the second moving block, and a limiting rod capable of preventing the second moving block from falling off is transversely arranged at the end of the support rod.

In summary, compared with the prior art, the invention has the beneficial effects that:

according to the invention, the protective device is arranged, so that the barbell can be pulled up, the protective device is locked by the locking device under normal conditions, the protective device is prevented from falling down to pull up the barbell, and the protective device can fall down by unlocking the locking device when an exerciser does not exert strength or under emergency conditions, so that the barbell is pulled up to play a protective role, the muscle stability can be exercised, a good protective effect can be achieved, the structure is simple, and the use is convenient.

Drawings

FIG. 1 is a perspective view of one embodiment of the present invention;

FIG. 2 is a perspective view of a component of the present invention;

fig. 3 is a second perspective view of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution:

a free bench press protection device comprises a support plate 1 arranged at intervals, a plurality of hooks 10 arranged at intervals on the front wall surface of the support plate 1, barbells 11 hung on the hooks 10, a bench press 12 arranged in front of the support plate 1, a protection device 2 capable of pulling up the barbells 11 arranged between the support plates 1, a locking device 3 capable of locking the protection device 2 arranged on one side of the support plate 1, when in use, the protection device 2 can pull up the barbells 11 and lock the protection device 2 through the locking device 3 under normal conditions, the protection device is prevented from falling down to pull up the barbells 11, when an exerciser does not have strength or can pull up the protection device 2 through unlocking the locking device 3 under emergency conditions, the barbells 11 can be pulled up to play a protection role, the muscle stability can be exercised, and a good protection role can be played, and the structure is simple, and the use is convenient.

The protection device 2 comprises a bottom plate 20 arranged between the bottoms of support plates 1, a top plate 21 is arranged between the tops of the support plates 1, a guide rod 22 is arranged between the top plate 21 and the bottom plate 20, a first moving plate 23 is movably sleeved on the guide rod 22, two sides of the first moving plate 23 are movably arranged on the inner side wall surface of the support plates 1, a second moving plate 24 is arranged above the first moving plate 23, the second moving plate 24 is movably sleeved on the guide rod 22, a plurality of iron blocks 25 are arranged above the second moving plate 24, the iron blocks 25 are movably sleeved on the guide rod 22, a plurality of positioning holes 26 are arranged on the guide rod 22 at intervals, through holes 27 are arranged at positions of the iron blocks 25 corresponding to the positioning holes 26, the positioning holes 26 and the moving plates 27 are fixed through positioning pins 28, a second support plate 29 is arranged at an interval in the middle of the front of the first moving plate 23, a first rotating shaft 200 is arranged between the second supporting plates 29, third supporting plates 201 are arranged at intervals in the middle of the front of the top plate 21, a second rotating shaft 202 is arranged between the third supporting plates 201, rollers 203 are arranged on the second rotating shaft 202, a fixed block 204 is arranged in the middle of the barbell 11, a pull rope 205 is connected to the fixed block 204, the pull rope 205 is wound on the rollers 203, the other end of the pull rope 205 is connected with the first rotating shaft 200, a guide groove 206 is arranged on one side of the supporting plates 1, a screw rod 207 is arranged in the guide groove 206, a gear groove 208 is arranged at the lower end of the guide groove 206, a first bevel gear 209 is arranged in the gear groove 208, the first bevel gear 209 is connected with the screw rod 207, a second bevel gear 210 is arranged below the first bevel gear 209, the second bevel gear 210 is arranged on the side surface of the supporting plate 1 through a bearing, and the first bevel gear 209, a rotating handle 211 is arranged on the outer axial center of the second bevel gear 210, a moving block 212 is movably arranged in the guide groove 206, the moving block 212 is connected with one side of the second moving plate 24, the moving block 212 is in threaded connection with the lead screw 207, when the barbell device is used, the required number of iron blocks 25 is measured according to the weight placed on the barbell 11, then the unnecessary iron blocks 25 are fixed on the guide rod 22 through the positioning pins 28, after the barbell device is unlocked through the locking device 3, the iron blocks 25 which are not fixed through the positioning pins 28 fall down together with the second moving plate 24, the first moving plate 23 is pressed downwards, the barbell 11 is pulled up through the pull rope 205, the protection effect is achieved, the iron blocks 25 which are not fixed on the second moving plate 24 are moved upwards through the rotating handle 211, the second moving plate 24 is reset, and the locking device 3 fixes the position of the second moving plate 24 again.

The locking device 3 of the invention comprises a support plate 1 and a fourth support plate 30 arranged on the same side wall surface of a guide groove 206, a second guide groove 31 arranged on the fourth support plate 30, a second moving block 32 movably arranged in the second guide groove 31, an L-shaped guide plate 33 arranged at the bottom of the fourth support plate 30 and capable of preventing the second moving block 32 from falling off, a pedal 34 arranged at the front end of the second moving block 32, a fifth support plate 35 transversely arranged at the front end of the fourth support plate 30, a spring 36 arranged between the pedal 34 and the fifth support plate 35, a support rod 37 vertically arranged at the rear end of the second moving block 32, a limit rod 38 transversely arranged at the end of the support rod 37 and capable of preventing the second moving plate 24 from falling off, when the protection device 2 is needed to be started, the limit rod 38 is separated from the second moving plate 24 by pressing down the pedal 34 with feet, the protection device 2 can be unlocked.

While there have been shown and described the fundamental principles and principal features of the invention and advantages thereof, it will be understood by those skilled in the art that the invention is not limited by the embodiments described above, which are given by way of illustration of the principles of the invention, but is susceptible to various changes and modifications without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a protection device is pushed away to free bench press, is equipped with backup pad (1) including the interval be equipped with a plurality of couples (10) on backup pad (1) preceding wall interval couple (10) are gone up and are hung barbell (11) backup pad (1) the place ahead is equipped with bench press (12), its characterized in that: the barbell protective device is characterized in that a protective device (2) capable of pulling up a barbell (11) is arranged between support plates (1), a locking device (3) capable of locking the protective device (2) is arranged on one side of each support plate (1), each protective device (2) comprises a bottom plate (20) arranged between bottoms of the support plates (1), a top plate (21) is arranged between tops of the support plates (1), a guide rod (22) is arranged between the top plate (21) and the bottom plate (20), a first moving plate (23) is movably sleeved on the guide rod (22), two sides of the first moving plate (23) are movably arranged on the inner side wall surface of each support plate (1), a second moving plate (24) is arranged above the first moving plate (23), the second moving plate (24) is movably sleeved on the guide rod (22), a plurality of iron blocks (25) are arranged above the second moving plate (24), the iron block (25) is movably sleeved on the guide rod (22), a plurality of positioning holes (26) are formed in the guide rod (22) at intervals, through holes (27) are formed in positions, corresponding to the positioning holes (26), of the iron block (25), the positioning holes (26) and the through holes (27) are fixed through positioning pins (28), second supporting plates (29) are arranged in the middle of the front face of the first moving plate (23) at intervals, first rotating shafts (200) are arranged between the second supporting plates (29), third supporting plates (201) are arranged in the middle of the front face of the top plate (21) at intervals, second rotating shafts (202) are arranged between the third supporting plates (201), rollers (203) are arranged on the second rotating shafts (202), fixed blocks (204) are arranged in the middle of the barbell (11), pull ropes (205) are connected to the fixed blocks (204), and the pull ropes (205) are wound on the rollers (203), the other end of the pull rope (205) is connected with a first rotating shaft (200), a guide groove (206) is arranged on one side of the support plate (1), a screw rod (207) is arranged in the guide groove (206), a gear groove (208) is arranged at the lower end of the guide groove (206), a first bevel gear (209) is arranged in the gear groove (208), the first bevel gear (209) is connected with the screw rod (207), a second bevel gear (210) is arranged below the first bevel gear (209), the second bevel gear (210) is arranged on the side surface of the support plate (1) through a bearing, the first bevel gear (209) is meshed with the second bevel gear (210), a rotating handle (211) is arranged on the axis outside the second bevel gear (210), a moving block (212) is movably arranged in the guide groove (206), and the moving block (212) is connected with one side of the second moving plate (24), the moving block (212) is in threaded connection with the lead screw (207).

2. A free bench press protection device as claimed in claim 1, wherein the locking device (3) comprises a fourth support plate (30) arranged on the same side wall surface of the support plate (1) and the guide groove (206), a second guide groove (31) is arranged on the fourth supporting plate (30), a second moving block (32) is movably arranged in the second guide groove (31), an L-shaped guide plate (33) capable of preventing the second moving block (32) from falling off is arranged at the bottom of the fourth support plate (30), a pedal (34) is arranged at the front end of the second moving block (32), a fifth supporting plate (35) is transversely arranged at the front end of the fourth supporting plate (30), a spring (36) is arranged between the pedal (34) and the fifth supporting plate (35), a support rod (37) is vertically arranged at the rear end of the second moving block (32), and a limiting rod (38) capable of preventing the second moving block (24) from falling is transversely arranged at the end part of the support rod (37).