CN216824653U - Pushing training device with safety protection function - Google Patents

Abstract

The application discloses a push-lift training device with a safety protection function, which comprises a support frame, a guide rail vertically and fixedly connected to the support frame, a first sliding platform vertically and slidably mounted on the guide rail, and a barbell assembly mounted on the first sliding platform; the barbell assembly comprises a barbell rod connected with the first sliding platform and a barbell disc arranged on the barbell rod; the barbell bar is provided with a brake assembly, the brake assembly comprises a brake handle arranged on the barbell bar and an elastic piece arranged on the first sliding platform, the elastic piece is provided with a fixed rod which is driven by elasticity and penetrates out of the guide rail, and the fixed rod is linked with the brake handle through a connecting wire; and the guide rail is provided with a positioning structure in clamping fit with the fixed rod. The application of push-lift training device can limit the barbell component in time under the fixed state, prevent accidents and improve the safety of the push-lift training device.

Description

Pushing training device with safety protection function

Technical Field

The application relates to the field of fitness equipment, in particular to a press training device with a safety protection function.

Background

Barbell lifting is one of the most representative training actions, can effectively improve the training of muscle strength, and can also utilize barbells to perform core training to promote overall coordination.

Because the barbell is heavier, most body-building enthusiasts are difficult to master the balance of the barbell when using the barbell to carry out the weight lifting exercise, and when the body-building enthusiasts take exercise and take off the strength, the potential safety hazard that the user is injured by the barbell slipping exists.

SUMMERY OF THE UTILITY MODEL

In order to reduce the risk that the user is injured by pounding by the barbell slippage when taking exercise, the application provides a training device of lifting with safety protection function.

The application provides a training device is elected to push with safety protection function adopts following technical scheme:

a lifting training device with a safety protection function comprises a support frame, a guide rail vertically and fixedly connected to the support frame, a first sliding platform vertically and slidably mounted on the guide rail, and a barbell assembly mounted on the first sliding platform; the barbell assembly comprises a barbell rod connected with the first sliding platform and a barbell disc arranged on the barbell rod; the barbell bar is provided with a brake assembly, the brake assembly comprises a brake handle arranged on the barbell bar and an elastic piece arranged on the first sliding platform, the elastic piece is provided with a fixed rod which is driven by elasticity and penetrates out of the guide rail, and the fixed rod is linked with the brake handle through a connecting wire; and the guide rail is provided with a positioning structure in clamping fit with the fixed rod.

By adopting the technical scheme, when a user carries out the push training, the user holds the handle tightly, releases the clamping fit between the fixed rod and the positioning structure, enables the first sliding platform and the barbell component to recover the free state, and then carries out the push training; when the user feels the strength of taking off, loosen the handle, the dead lever joint is on the guide rail under the elasticity effect, with barbell subassembly restriction under the fixed state, prevents that the accident from taking place, improves the security of lifting trainer.

Optionally, the positioning structure is a vertically arranged hole-shaped structure or a plate-shaped structure.

Through adopting above-mentioned technical scheme, the output of dead lever is through penetrating the hole column structure or supporting on platelike structure, realizes the joint cooperation of elastic component and guide rail to restrict the barbell subassembly under certain altitude state.

Optionally, the elastic element further comprises a mounting shell, the fixing rod penetrates through the mounting shell, and the connecting wire is connected with the end of the fixing rod; the fixing rod is fixedly connected with a fixing plate at the part positioned in the mounting shell, one side of the fixing plate facing the connecting line is provided with a compression spring, and the elastic force of the compression spring acts on the fixing plate.

Through adopting above-mentioned technical scheme, compression spring one end supports and presses on the fixed plate, and the other end supports and presses on the installation shell inner wall, and compression spring's elasticity passes through the fixed plate and acts on the dead lever for the dead lever is under the influence that does not have external force, and its output moves towards the guide rail always.

Optionally, the brake handle includes a brake base mounted on the barbell bar, a mounting plate fixedly connected to the brake base, and a grip hinged to the mounting plate, the grip having a swing interval from the mounting plate to the barbell bar; the connecting wire penetrates through the mounting plate and is connected with the handle, and the connecting wire transmits the elastic force acting on the fixed rod to the handle so that the handle is abutted against the mounting plate.

Through adopting above-mentioned technical scheme, gripping the handle, ordering about the handle and moving towards the barbell pole, handle pulling connecting wire synchronous movement to drive the dead lever and remove towards the direction of keeping away from the guide rail, make its output and guide rail separation, make the barbell subassembly resume free state.

Optionally, the installation position of the brake base on the barbell bar can be adjusted.

Through adopting above-mentioned technical scheme, brake base mounted position is adjustable for the brake handle can adapt to different users' application of force position, improves the fitness of barbell subassembly.

Optionally, a safety guarantee mechanism is installed below the first sliding platform; safety guarantee mechanism includes second sliding platform of slidable mounting on the guide rail, rotates and installs regulation pole, the safe kelly of rigid coupling on adjusting the pole on second sliding platform to and order about the regulation pole towards guide rail pivoted elastic drive spare, the cooperation of safe kelly and location structure joint.

Through adopting above-mentioned technical scheme, safety guarantee mechanism has decided the stroke lower limit of barbell subassembly, if the unexpected slippage phenomenon takes place for the barbell subassembly, can directly fall and support on safety guarantee mechanism, avoids the barbell subassembly to pound and fall on subaerial accidental injury user.

Optionally, a connecting seat is fixedly connected to the second sliding platform, a connecting lug is fixedly connected to the adjusting rod, and the connecting seat is hinged to the connecting lug through a pin shaft horizontally arranged.

Through adopting above-mentioned technical scheme, the round pin axle that engaging lug and connecting seat arranged through the level articulates together, makes the regulation pole rotate for second sliding platform, and provides the application of force basis for the elastic driving piece.

Optionally, two groups of vertically distributed connecting columns are arranged on the guide rail at intervals, and two groups of connecting grooves respectively matched with the two groups of connecting columns are formed in the second sliding platform.

Through adopting above-mentioned technical scheme, two spread grooves and two spliced poles one-to-one, second sliding platform passes through spread groove slidable mounting on two spliced poles for second sliding platform tip all is effectively spacing, improves the stability of second sliding platform installation, thereby has improved the support effect of safety guarantee mechanism.

Optionally, a cushion pad is arranged on the top of the second sliding platform.

Through adopting above-mentioned technical scheme, the back is gone up at the safety guarantee mechanism in barbell subassembly whereabouts, and first sliding platform supports on the cushion pad to play the cushioning effect, reduce the influence that the safety guarantee mechanism received barbell subassembly gravity impact.

Optionally, a universal connection member is arranged between the barbell assembly and the first sliding platform, the barbell assembly is mounted on the first sliding platform through the universal connection member, and the universal connection member provides the barbell assembly with free deflection capability.

By adopting the technical scheme, the force application force and angle of the user can be visually embodied on the universal connecting piece and the first sliding platform by the arrangement of the universal connecting piece, so that the training posture of the user can be corrected in time by carrying out coordination adjustment.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the elastic piece is arranged between the guide rail and the first sliding platform, the brake handle for controlling the elastic piece in real time is arranged on the barbell component, when a user feels to take off force, the limitation of the brake handle on the elastic piece is removed, the fixed rod of the elastic piece is clamped on the guide rail, the barbell component is limited in a fixed state, accidents are prevented, and the safety of the push-lift training device is improved;

2. the safety guarantee mechanism is arranged below the barbell component, the safety guarantee mechanism determines the lower limit of the stroke of the barbell component, if the barbell component accidentally slips, the barbell component can directly fall and be supported on the safety guarantee mechanism, and the barbell component is prevented from falling on the ground to accidentally injure a user;

3. the barbell component is installed on a sliding basis through the universal connecting piece, so that the barbell component has flexible freedom, and the force application force and the force application angle of a user can be visually displayed, so that the user can coordinate and adjust the barbell component and correct the training posture of the user in time.

Drawings

FIG. 1 is a schematic structural diagram of embodiment 1 of the present application;

FIG. 2 is a schematic structural diagram of a universal joint according to embodiment 1 of the present application;

FIG. 3 is a schematic structural view of a brake assembly in embodiment 1 of the present application;

FIG. 4 is a schematic structural view of an elastic member in example 1 of the present application;

FIG. 5 is a schematic structural diagram of embodiment 2 of the present application;

FIG. 6 is a schematic structural view of a safety mechanism in embodiment 2 of the present application;

FIG. 7 is a schematic structural diagram of embodiment 3 of the present application;

FIG. 8 is a schematic structural view of a weight mechanism in embodiment 3 of the present application;

FIG. 9 is a schematic structural diagram of a toggle assembly in embodiment 3 of the present application;

FIG. 10 is a schematic structural view of embodiment 4 of the present application;

FIG. 11 is a schematic view of the pull-up exercise mechanism according to embodiment 4 of the present application;

fig. 12 is a schematic structural diagram of a swing angle limiting member in embodiment 4 of the present application.

Description of reference numerals: 1. a support frame; 11. a chassis; 12. a column; 13. a top beam; 14. a mounting cavity; 15. a connecting disc; 16. fixing the hole group; 2. a guide rail; 21. a main body base; 22. a first connecting column; 23. a positioning structure; 24. a second connecting column; 3. a first sliding platform; 31. a platform slide block; 32. an extension frame; 33. a platform slide rail; 4. a barbell assembly; 41. a barbell bar; 42. a barbell disc; 5. a universal connection member; 51. a first connection base; 52. a second connection base; 53. a connecting rod; 54. a centering spring; 55. a spherical joint; 56. an accommodating chamber; 6. a brake assembly; 61. a brake handle; 611. a brake base; 612. mounting a plate; 613. a grip; 62. an elastic member; 621. mounting a shell; 622. fixing the rod; 623. a fixing plate; 624. a compression spring; 63. connecting wires; 7. a safety guarantee mechanism; 71. a second sliding platform; 72. adjusting a rod; 73. a safety clamping rod; 74. connecting lugs; 75. a connecting seat; 76. a cushion pad; 8. a counterweight mechanism; 81. a gantry counterweight housing; 811. erecting a rod; 812. a top rod; 813. a guide slide rail; 814. a counterweight slide rail; 815. clamping the hole group; 82. a third sliding platform; 821. a limiting post; 83. a counterweight seat; 831. a weight lever; 832. a balancing weight; 84. a pulley block; 841. a movable pulley; 842. a fixed pulley; 843. pulling a rope; 85. fixing the clamping rod; 86. the component is stirred; 861. dialing a plate; 862. a counterweight table; 863. poking the spring; 864. an adjustment groove; 87. a fixed zone; 9. a pull-up exercise mechanism; 91. a first swing arm; 92. a second swing arm; 93. a connecting rod; 94. a swing angle limiting part; 941. covering; 942. a limiting rod; 943. a baffle ring; 944. a limiting spring; 95. a footrest; 951. a base; 952. a connecting arm; 953. a strut; 954. a pedal; 955. a universal wheel; 956. fixing the bolt; 96. a mounting seat; 97. and (4) a handle.

Detailed Description

The present application is described in further detail below with reference to the attached drawings.

The embodiment of the application discloses a push training device.

Example 1

Referring to fig. 1, the push training device includes a support frame 1, a guide rail 2, a first sliding platform 3, a barbell assembly 4, a universal joint 5, and a brake assembly 6.

Wherein, support frame 1 includes the chassis 11 that the level was arranged, and vertical rigid coupling has two sets of stands 12 on the chassis 11, and the top rigid coupling of coexistence stand 12 has back timber 13, and chassis 11, stand 12 and back timber 13 have constituteed the support body of support frame 1, provide stable installation basis for other members of lifting trainer.

Referring to fig. 1 and 2, an open installation cavity 14 is formed in an upright post 12, a guide rail 2 is vertically and fixedly connected in the installation cavity 14 of the upright post 12, a first sliding platform 3 is vertically and slidably installed on the guide rail 2, a universal connecting piece 5 is located between a barbell assembly 4 and the first sliding platform 3, and the barbell assembly 4 is supported on the first sliding platform 3 through the universal connecting piece 5, so that the barbell assembly 4 can vertically slide along the guide rail 2; the first sliding platform 3, barbell assembly 4, and universal joint 5 constitute a force application training mechanism for the user. Brake assembly 6 acts on between guide rail 2 and first sliding platform 3 for restrict barbell assembly 4 vertical motion, provide real-time safety guarantee for the user.

In this embodiment, guide rail 2, first sliding platform 3, universal joint spare 5 and brake assembly 6 quantity all set up to two sets of, and the symmetry is installed on support frame 1 to carry out the outrigger to 4 both ends of barbell subassembly.

Referring to fig. 2, the guide rail 2 includes a main body base 21 and a first connecting column 22, the main body base 21 is a plate-shaped structure and is vertically fixed in the mounting cavity 14 of the upright 12, and the first connecting column 22 is fixed at an end of the main body base 21 facing the opening side of the mounting cavity 14.

The first sliding platform 3 comprises a platform sliding block 31, an extending frame 32 and a platform sliding rail 33, a connecting hole and a yielding groove are vertically formed in the platform sliding block 31 in a penetrating mode, and the connecting hole is communicated with the outside in the radial direction through the yielding groove; the platform sliding block 31 is sleeved on the first connecting column 22 of the guide rail 2 through the connecting hole, and the abdicating groove is matched with the main body base 21 of the guide rail 2, so that the platform sliding block 31 is stably vertically and slidably mounted on the guide rail 2. The extension frame 32 is horizontally fixed on the platform slide block 31, the platform slide rail 33 is arranged on the top of the extension frame 32, and the extension frame and the platform slide block 31 synchronously move.

The barbell module 4 includes a barbell bar 41 and barbell plates 42, the barbell bar 41 is slidably supported on the platform rail 33 by the universal joint 5, and the barbell plates 42 are mounted on both ends of the barbell bar 41.

The universal connecting piece 5 comprises a first connecting base 51, a second connecting base 52, a connecting rod 53 and a centering spring 54, wherein the first connecting base 51 and the second connecting base 52 are both in a sleeve shape, the first connecting base 51 is sleeved on the barbell rod 41 and is tightly fixed on the barbell rod 41 through a jackscrew; the second connection base 52 is sleeved on the platform slide rail 33 and is in sliding fit with the platform slide rail 33.

Connecting rod 53 is located between first connection base 51 and the second connection base 52, and connecting rod 53 one end vertical fixation has spherical joint 55 on first connection base 51, and the other end has spherical joint 55, offers on the second connection base 52 with spherical joint 55 looks adaptation hold the chamber 56, spherical joint 55 dress inlays in holding chamber 56, both normal running fit, make connecting rod 53 and second connection base 52's contained angle can freely adjust in a flexible way.

The centering spring 54 is sleeved on the connecting rod 53, one end of the centering spring is pressed against the first connecting base 51, the other end of the centering spring is pressed against the second connecting base 52, and the elastic force of the centering spring 54 acts on the first connecting base 51 and the second connecting base 52 to correct the positions of the first connecting base 51 and the second connecting base 52, so that the first connecting base 51 and the second connecting base 52 are in a forward opposite state.

When a user pushes the barbell component 4 to move up and down, the barbell component 4 drives the first sliding platform 3 to move synchronously through the universal connecting piece 5, and the force application force and angle of the user can be visually embodied on the universal connecting piece 5 and the first sliding platform 3 so as to be conveniently coordinated and adjusted; if the force application balance of the user deviates, the first sliding platforms 3 at the two ends of the barbell component 4 immediately show a height difference; if the force application angle of the user deviates, the universal connecting piece 5 will deflect along the force application direction and will drive the second connecting base 52 to displace along the force application direction, so as to adapt to the force application angle of the human body in time, and meanwhile, the righting spring 54 will assist the user to overcome the deviation of the force application angle, so as to reduce the extra force loss of the human body.

Referring to fig. 1 and 3, the brake assembly 6 includes a brake handle 61 mounted on the barbell bar 41, an elastic member 62 mounted on the platform slider 31, and a connecting wire 63 connecting the two, wherein the brake handle 61 includes a brake base 611 having a ring-shaped body, the brake base 611 is disposed on the barbell bar 41, and the brake base 611 is screwed on the brake base 611 to tightly fix the brake assembly on the barbell bar 41. The outer ring surface of the brake base 611 is fixed with a mounting plate 612 along the radial direction, and the side wall of the mounting plate 612 is hinged with a handle 613, so that the handle 613 has a swing interval from the mounting plate 612 to the barbell bar 41.

Referring to fig. 4, the elastic member 62 includes a mounting case 621, a fixing rod 622, a fixing plate 623 and a compression spring 624, wherein the mounting case 621 has a cavity therein and is fixedly connected to the platform slider 31; the fixing rod 622 horizontally penetrates the mounting case 621, and one end faces the main body base 21 of the guide rail 2, and the end is set as an output end, and the opposite end is set as an input end; the fixing plate 623 and the compression spring 624 are positioned in the mounting shell 621, the fixing plate 623 is fixedly connected with the fixing rod 622, and the compression spring 624 is sleeved on the fixing rod 622 and positioned on one side of the fixing plate 623 facing the input end of the fixing rod 622; one end of the compression spring 624 abuts against the fixing plate 623, and the other end abuts against the inner wall of the mounting case 621, and the elastic force of the compression spring 624 acts on the fixing rod 622 through the fixing plate 623, so that the output end of the fixing rod 622 moves towards the guide rail 2 without the influence of external force.

Referring to fig. 3, the positioning structures 23 are vertically arranged on the main body base 21 of the guide rail 2, the positioning structures 23 may be hole-shaped structures or plate-shaped structures, and the output end of the fixing rod 622 is inserted into the hole-shaped structures or supported on the plate-shaped structures, so as to realize the clamping fit between the elastic member 62 and the guide rail 2, thereby limiting the barbell assembly 4 at a certain height.

The connecting wire 63 is tensioned between the brake handle 61 and the elastic element 62, one end of the connecting wire 63 penetrates through the mounting plate 612 and is fixedly connected with the grip 613, and the other end of the connecting wire 63 is connected with the input end of the fixed rod 622; the connecting wire 63 transmits the elastic force acting on the fixing rod 622 to the handle 613 synchronously, so that the handle 613 is always in contact with the mounting plate 612.

When a user performs a lifting training, the grip 613 is gripped to drive the grip 613 to move towards the barbell rod 41, the grip 613 pulls the connecting line 63 to move synchronously, so that the fixing rod 622 is driven to move towards a direction away from the guide rail 2, the output end of the fixing rod is separated from the guide rail 2, the first sliding platform 3 and the barbell component 4 are enabled to recover a free state, and then the lifting training is performed; when the user feels the force to be removed, the handle 613 is loosened, the fixing rod 622 moves towards the guide rail 2 immediately under the action of the elastic force of the spring and is clamped on the guide rail 2, the barbell component 4 is limited in a fixed state, accidents are prevented, and the safety of the push training device is improved.

Example 2

Referring to fig. 5, the present embodiment is different from embodiment 1 in that the push training device of the present embodiment further includes a safety mechanism 7 installed below the first sliding platform 3.

Referring to fig. 6, the safety mechanism 7 includes a second sliding platform 71 slidably mounted on the guide rail 2, an adjusting lever 72 rotatably mounted on the second sliding platform 71, a safety catch lever 73 fixedly connected to the adjusting lever 72, and an elastic driving member for driving the adjusting lever 72 to rotate toward the guide rail 2, so that the safety catch lever 73 can be caught on the positioning structure 23 of the guide rail 2.

Specifically, a first connecting groove matched with the first connecting column 22 of the guide rail 2 is vertically formed in the second sliding platform 71 in a penetrating manner, and the second sliding platform 71 is sleeved on the first connecting column 22 through the first connecting groove and is in sliding fit with the guide rail 2.

The adjusting rod 72 is fixedly connected with a connecting lug 74 along the radial direction, the top of the second sliding platform 71 is fixedly connected with a connecting seat 75, and the connecting lug 74 and the connecting seat 75 are hinged together through a horizontally arranged pin shaft, so that the adjusting rod 72 can rotate relative to the second sliding platform 71.

The main body of the safety clamping rod 73 is in a hook shape, is fixedly connected to the outer peripheral wall of the adjusting rod 72 along the radial direction of the adjusting rod 72 and synchronously rotates along with the adjusting rod 72; after the adjusting rod 72 rotates towards the guide rail 2, the safety catch rod 73 is in clamping fit with the positioning structure 23 of the guide rail 2, and after the adjusting rod 72 rotates towards the direction far away from the guide rail 2, the safety catch rod 73 is separated from the positioning structure 23 of the guide rail 2.

The elastic driving member can be a spring or a torsion spring, and the embodiment takes the torsion spring as an example for explanation; the torsion spring is sleeved on the pin shaft, one end of the torsion spring is fixedly connected with the connecting seat 75, and the other end of the torsion spring is fixedly connected with the connecting lug 74, so that the elastic force of the elastic driving piece acts between the adjusting rod 72 and the second sliding platform 71 to drive the adjusting rod 72 to rotate towards the direction of the guide rail 2 all the time without being influenced by external force, and the safety clamping rod 73 is stably clamped on the positioning structure 23.

A set of safety guarantee mechanism 7 is respectively installed on two guide rails 2, and safety guarantee mechanism 7 has decided barbell subassembly 4's stroke lower limit, if barbell subassembly 4 takes place unexpected slippage phenomenon, can directly fall and support on safety guarantee mechanism 7, avoids barbell subassembly 4 to pound and fall on subaerial accidental injury user.

Second sliding platform 71 is provided with blotter 76 with the position department that platform slider 31 of first sliding platform 3 corresponds, and barbell subassembly 4 falls on safety guarantee mechanism 7 back, and platform slider 31 supports on blotter 76 to play the cushioning effect, reduce safety guarantee mechanism 7 and receive the influence of barbell subassembly 4 gravity impact.

Further, the second sliding platform 71 partially extends into the installation cavity 14 of the upright post 12, the part of the main body base 21 of the guide rail 2 located in the installation cavity 14 is vertically fixedly connected with the first connecting post 24, the second sliding platform 71 vertically runs through a second connecting groove matched with the first connecting post 24, and the second connecting groove is sleeved on the first connecting post 24, so that the end part of the second sliding platform 71 located in the installation cavity 14 is also effectively limited, thereby improving the installation stability of the second sliding platform 71 and improving the supporting effect of the safety guarantee mechanism 7.

Example 3

Referring to fig. 7, the present embodiment is different from embodiment 1 in that the push training device of the present embodiment further includes a weight mechanism 8.

Referring to fig. 7 and 8, the counterweight mechanism 8 includes a door-type counterweight housing 81, a third sliding platform 82, a counterweight seat 83, a pulley block 84, a fixing clip 85, and a toggle assembly 86.

The door-shaped counterweight frame 81 comprises two upright rods 811 and a top rod 812, the two upright rods 811 are vertically and fixedly connected to the underframe 11 of the support frame 1, and the top rod 812 is fixedly connected to the tops of the two upright rods 811 and is fixedly connected to the top beam 13 through a cross rod.

One upright post 811 of the door-shaped counterweight frame 81 is relatively provided with a guide slide rail 813 and a counterweight slide rail 814, the third sliding platform 82 is slidably mounted on the guide slide rail 813, the counterweight seat 83 is slidably mounted on the counterweight slide rail 814, the counterweight seat 83 is relatively positioned above the third sliding platform 82, and the counterweight seat 83 is supported on the third sliding platform 82 under the action of gravity; when the third sliding platform 82 slides vertically, the counterweight seat 83 is driven to move vertically synchronously.

The outer wall of the counterweight seat 83 is fixedly connected with a counterweight rod 831 which is horizontally or obliquely distributed upwards, a counterweight 832 is hung on the counterweight rod 831, and the weight of the counterweight seat 83 is adjusted through the counterweight 832.

The pulley block 84 comprises a movable pulley 841, a fixed pulley 842 and a pull rope 843, wherein in the embodiment, the number of the movable pulleys 841 is set as one group and is arranged on the third sliding platform 82; five groups of fixed pulleys 842 are arranged and are respectively installed on the top of the support frame 1 and the top of the door-shaped counterweight frame 81, wherein the four groups of fixed pulleys 842 are distributed above the sliding sides of the guide rails 2 and the guide slide rails 813 in a rectangular shape, and the other group of fixed pulleys 842 are positioned above the movable pulleys 841; one end of the pulling rope 843 is fixedly connected to one of the first sliding platforms 3, the other end of the pulling rope sequentially bypasses the five fixed pulleys 842 and the movable pulley 841, and is finally fixedly connected to the other first sliding platform 3, so that the first sliding platform 3 is linked with the third sliding platform 82, and when a user pushes the barbell assembly 4, the user can synchronously drive the third sliding platform 82 to perform vertical reciprocating motion.

The weight of weight holder 83 acts on barbell assembly 4 through pull cord 843, and produces an upward pull on barbell assembly 4 to counteract a portion of the weight of barbell assembly 4; so, when the user carries out the push training, if feel barbell piece 42 overweight, influence the continuous push training, or the in-process of pushing off appears taking off the power condition, can directly hang on counter weight seat 83 and put balancing weight 832, utilize balancing weight 832 gravity to realize the helping hand to the user to guarantee that subsequent push training goes on smoothly, satisfy the training demand.

Referring to fig. 8 and 9, a step structure in lap joint fit is provided on the opposite sides of the counterweight seat 83 and the third sliding platform 82, and the counterweight seat 83 is supported on the third sliding platform 82 through the step structure; the step structure of the third sliding platform 82 is set to give way, so that a fixing area 87 is enclosed between the third sliding platform 82 and the counterweight seat 83, and the fixing area 87 is located beside the counterweight sliding rail 814.

The shape of the fixed clamping rod 85 is L-shaped, one end of the fixed clamping rod 85 is a connecting end, the other end of the fixed clamping rod 85 is a clamping end, the top surface of the clamping end of the fixed clamping rod 85 is a downward inclined surface, and the bottom surface is a plane; the connecting end of the fixed clamping rod 85 is rotatably mounted on the counterweight seat 83 through a horizontally arranged pin shaft, and the clamping end of the fixed clamping rod 85 is positioned in the fixing area 87, so that the clamping end of the fixed clamping rod 85 can rotate towards the counterweight sliding rail 814; when the fixing clip lever 85 is in a free state, the clip end of the fixing clip lever 85 is obliquely disposed in the fixing area 87 without contacting the counterweight sliding rail 814.

Vertical joint punch combination 815 of having seted up on counter weight slide rail 814, stir subassembly 86 and install on third sliding platform 82 for order about free state's fixed calorie pole 85 and rotate towards counter weight slide rail 814, after one of them joint hole is stretched into to the joint end of fixed calorie pole 85, with joint hole joint cooperation, thereby fix counter weight seat 83 on counter weight slide rail 814, can not follow third sliding platform 82 displacement, make barbell subassembly 4 resume independent state.

The toggle assembly 86 comprises a toggle plate 861, a counterweight table 862 and a toggle spring 863, wherein the toggle plate 861 is provided with a strip-shaped adjusting slot 864, the side wall of the third sliding platform 82 is vertically and fixedly connected with a limit column 821, and the limit column and the fixed clamping rod 85 are positioned on the same side; the dial plate 861 is sleeved on the limit column 821 through the adjusting slot 864, and the adjusting slot 864 is in sliding fit with the limit column 821, so that the dial plate 861 can swing or slide relative to the third sliding platform 82.

When the dial plate 861 is rotated to the horizontal state, one end of the dial plate 861 is distributed toward the fixed area 87, and this end is set as a dial end, and the end opposite thereto is set as a force application end. When the end of the adjusting slot 864 close to the force applying end abuts against the limiting post 821, the moving end of the moving plate 861 extends into the fixing region 87 and abuts against the bottom of the fixing clamping rod 85, and the moving end of the moving plate 861 rotates upward to push the fixing clamping rod 85 to rotate toward the counterweight sliding rail 814; when the end of the adjusting slot 864 close to the toggle end abuts against the position-limiting post 821, the toggle plate 861 withdraws from the fixed region 87, the toggle end separates from the fixed rod 85, the fixed rod 85 loses support, and the free state is recovered.

The counterweight table 862 is installed at the force application end of the dial plate 861, and the dial end of the dial plate 861 automatically rotates upwards under the influence of the gravity of the counterweight table 862; when the dial plate 861 is in a free state, the direction of the dial plate is vertical. One end of the toggle spring 863 is fixedly connected to the counterweight table 862, the other end of the toggle spring 863 is fixedly connected to the limiting column 821, the toggle spring 863 is in a stretching state, the elastic force of the toggle spring 863 acts on the toggle plate 861 through the counterweight table 862, and the toggle spring 863 pulls the toggle plate 861 to move towards the limiting column 821 without human influence, so that the end part of the adjusting groove 864 close to the force application end is always abutted against the limiting column 821.

When a user does a push-up training, if the user needs to use the counterweight seat 83 for assisting, the shifting plate 861 and the fixing clamping rod 85 are both in a free state, and the counterweight seat 83 is supported on the third sliding platform 82. When barbell component 4 needs to be used independently to push up, plate 861 is dialled in the downward pulling, will dial plate 861 and change to the horizontality, dial plate 861 and stir spring 863 elastic force effect down, dial the end and stretch into fixed area 87, support in fixed clamping bar 85 joint end lower part to order about its rotation, make fixed clamping bar 85 stretch into the joint in the joint hole.

When the barbell component 4 moves downwards, the third sliding platform 82 and the counterweight seat 83 are driven to move upwards, the fixed clamping rod 85 moves upwards synchronously along with the counterweight seat 83, and the top inclined plane of the clamping end of the fixed clamping rod 85 is arranged, so that the clamping end can slide out of the corresponding clamping hole more smoothly; meanwhile, under the action of the dial plate 861, the fixing clamping rod 85 is clamped into the next clamping hole again until the balance weight seat 83 rises to the upper limit of the lifting stroke of the barbell assembly 4, the barbell assembly 4 moves downwards, the balance weight seat 83 is kept at a corresponding height, assistance is not formed on the barbell assembly 4 any more, and the independent lifting of the barbell assembly 4 is realized.

Example 4

Referring to fig. 10, the present embodiment is different from embodiment 1 in that the push training device of the present embodiment further includes a pull-up exercise mechanism 9.

Referring to fig. 10 and 11, the pull-up exercise mechanism 9 includes a first swing arm 91 and a second swing arm 92 horizontally hinged on the top beam 13 of the support frame 1, a connecting rod 93 connecting the hinged ends of the first swing arm 91 and the second swing arm 92, a swing angle limiting member 94 installed on the second swing arm 92, and a footrest 95 hinged on the bottom frame 11 of the support frame 1.

The hinged ends of the first swing arm 91 and the second swing arm 92 are fixedly connected with a mounting seat 96, the side wall of the mounting seat 96 is provided with a mounting opening, and the mounting seat 96 is clamped on the top beam 13 through the mounting opening, so that the first swing arm 91 and the second swing arm 92 are horizontally mounted on the top beam 13; then, a pin shaft vertically penetrates through the mounting seat 96 and the top beam 13, and the mounting seat 96 is rotatably connected with the top beam 13, so that the first swing arm 91 and the second swing arm 92 are rotatably mounted on the top beam 13, and a user can adjust the opening and closing angle between the first swing arm 91 and the second swing arm 92 according to requirements.

Handles 97 are fixedly connected to the free ends of the first swing arm 91 and the second swing arm 92, the handles 97 provide a force application basis for a user, and the user can pull up by holding the handles 97.

A hinge point of the first swing arm 91 is set as a first hinge point, and a hinge point of the second swing arm 92 is set as a second hinge point; connecting rod 93 inclines between first swing arm 91 and second swing arm 92, and one end is articulated with first swing arm 91, and the other end is articulated with second swing arm 92, and connecting rod 93 and the articulated tip of first swing arm 91 are located between first swing arm 91 free end and the first pin joint, and connecting rod 93 and the articulated tip of second swing arm 92 are located between second swing arm 92 hinged end and the second pin joint.

Thus, when the first swing arm 91 swings to the outside, the first swing arm 91 pulls the hinged end of the second swing arm 92 through the connecting rod 93 to synchronously swing in the outside direction; similarly, when the first swing arm 91 swings inward, the first swing arm 91 pushes the hinged end of the second swing arm 92 through the connecting rod 93 to synchronously swing in the inward direction; on the one hand, the opening and closing angle between the two swing arms can be adjusted more quickly, on the other hand, the swing amplitudes of the two swing arms can be consistent, and the adjusting process is more coordinated.

Referring to fig. 11 and 12, the swing angle limiting member 94 includes a buckle cover 941 having an open end and a closed end, the buckle cover 941 is slidably inserted through a limiting rod 942, a retaining ring 943 is radially fixed on a rod body of the limiting rod 942, and a limiting spring 944 is supported on the retaining ring 943; when the retaining ring 943 is positioned inside the retaining cap 941, the retaining spring 944 is compressively disposed between the retaining ring 943 and the closed end of the retaining cap 941.

The swing angle limiting member 94 is mounted on the mounting seat 96 of the second swing arm 92, the opening end of the buckle cap 941 is fixed on the mounting seat 96, the mounting seat 96 is provided with a yielding hole for the limiting rod 942 to pass through, the retaining ring 943 is pressed against the surface of the mounting seat 96, and the limiting spring 944 is compressed between the retaining ring 943 and the buckle cap 941.

A connecting disc 15 is horizontally and fixedly connected to the side wall of the top beam 13, and the connecting disc 15 is positioned in a mounting opening of the mounting seat 96; the connecting disc 15 is provided with fixing hole groups 16 circumferentially distributed around the axis of the second hinge point, and the limiting rod 942 of the swing angle limiting piece 94 passes through the mounting seat 96, extends into the fixing hole groups 16, and is in clamping fit with the connecting disc 15, so that the second swing arm 92 is limited in a fixed state; through the transmission characteristic of the connecting rod 93, the first swing arm 91 is also in a fixed state, and a stable foundation is provided for a user to pull up.

Referring to fig. 10, the footrest 95 includes a base 951, a connecting arm 952, a supporting rod 953, a pedal 954, a universal wheel 955, and a fixing pin 956, wherein the base 951 is fixed on the bottom frame 11, a connecting port is horizontally formed on a sidewall of the base 951, an end of the connecting arm 952 extends into the connecting port, and the connecting arm 952 and the connecting port are rotatably connected by a vertically arranged pin shaft, so that the connecting arm 952 can horizontally rotate relative to the bottom frame 11; the supporting rod 953 is vertically and fixedly connected at the free end of the connecting arm 952, and the pedal 954 is fixedly connected at the top of the supporting rod 953 for a user to step on; universal wheel 955 is installed in the branch 953 bottom, and supplementary linking arm 952 swings, and provides stable support for branch 953.

The fixing bolt 956 vertically passes through the base 951, a positioning hole group which is circumferentially distributed around the axis of a hinged point of the connecting arm 952 is arranged at the hinged end of the connecting arm 952, and the fixing bolt 956 passes through the base 951, extends into the positioning hole group, and is in clamping fit with the connecting arm 952, so that the horizontal swing of the connecting arm 952 is limited, and the connecting arm 952 is kept in a fixed state.

When a user exercises pull-up, the connecting arm 952 is rotated to be right below the two swing arms and is fixed through the fixing bolt 956, and the user can conveniently hold the handle 97 for subsequent exercises by stepping on the pedal 954; after the user training is finished, the fixed state of the connecting arm 952 is released, and the connecting arm is folded on one side of the bottom frame 11, so that the position interference caused by the push training is avoided.

The present embodiment is only for explaining the present application, and it is not limited to the present application, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present application.

Claims (10)

1. The utility model provides a training device is elected to push with safety protection function which characterized in that: the barbell device comprises a support frame (1), a guide rail (2) vertically and fixedly connected to the support frame (1), a first sliding platform (3) vertically and slidably mounted on the guide rail (2), and a barbell component (4) mounted on the first sliding platform (3);

the barbell assembly (4) comprises a barbell rod (41) connected with the first sliding platform (3) and a barbell disc (42) arranged on the barbell rod (41);

a brake assembly (6) is mounted on the barbell bar (41), the brake assembly (6) comprises a brake handle (61) mounted on the barbell bar (41) and an elastic piece (62) mounted on the first sliding platform (3), the elastic piece (62) is provided with a fixed rod (622) driven by elasticity to penetrate out of the guide rail (2), and the fixed rod (622) is linked with the brake handle (61) through a connecting wire (63);

and a positioning structure (23) which is matched with the fixed rod (622) in a clamping manner is arranged on the guide rail (2).

2. The push training device with safety protection function according to claim 1, wherein: the positioning structure (23) is a vertically arranged hole-shaped structure or a plate-shaped structure.

3. The push training device with safety protection function according to claim 1, wherein: the elastic piece (62) further comprises a mounting shell (621), the fixing rod (622) penetrates through the mounting shell (621), and the connecting line (63) is connected with the end part of the fixing rod (622);

the fixing rod (622) is fixedly connected with a fixing plate (623) at the part positioned in the mounting shell (621), one side of the fixing plate (623) facing the connecting line (63) is provided with a compression spring (624), and the elastic force of the compression spring (624) acts on the fixing plate (623).

4. The push training device with safety protection function according to claim 1, wherein: the brake handle (61) comprises a brake base (611) arranged on the barbell bar (41), a mounting plate (612) fixedly connected to the brake base (611), and a grip (613) hinged to the mounting plate (612), wherein the grip (613) has a swing interval from the mounting plate (612) to the barbell bar (41);

the connecting wire (63) penetrates through the mounting plate (612) and is connected with the handle (613), and the connecting wire (63) transmits the elastic force acting on the fixing rod (622) to the handle (613) so that the handle (613) is abutted against the mounting plate (612).

5. The push training device with the safety protection function according to claim 4, wherein: the installation position of the brake base (611) on the barbell bar (41) can be adjusted.

6. The push training device with safety protection function according to any one of claims 1-5, wherein: a safety guarantee mechanism (7) is arranged below the first sliding platform (3);

safety guarantee mechanism (7) include second sliding platform (71), rotation installation regulation pole (72), the rigid coupling of second sliding platform (71) on adjusting pole (73) on pole (72) are adjusted to second sliding platform (71) including slidable mounting to and order about and adjust pole (72) towards guide rail (2) pivoted elastic drive spare, safety card pole (73) and location structure (23) joint cooperation.

7. The push training device with safety protection function according to claim 6, wherein: the second sliding platform (71) is fixedly connected with a connecting seat (75), the adjusting rod (72) is fixedly connected with a connecting lug (74), and the connecting seat (75) is hinged with the connecting lug (74) through a horizontally arranged pin shaft.

8. The push training device with safety protection function according to claim 6, wherein: two groups of connecting columns which are vertically distributed are arranged on the guide rail (2) at intervals, and two groups of connecting grooves which are respectively matched with the two groups of connecting columns are formed in the second sliding platform (71).

9. The push training device with safety protection function according to claim 6, wherein: a buffer pad (76) is arranged on the top of the second sliding platform (71).

10. The push training device with safety protection function according to claim 6, wherein: be provided with universal joint spare (5) between barbell subassembly (4) and first sliding platform (3), install on first sliding platform (3) through universal joint spare (5) barbell subassembly (4), universal joint spare (5) give barbell subassembly (4) free deflection ability.

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