Safety protection structure of fitness leg lifting machine

Abstract

The utility model discloses a safety protection structure of a body-building leg lifting machine, which belongs to the technical field of body-building leg lifting machines, and comprises a base, the top of the base is fixedly connected with a fixing frame, the top of the fixing frame is fixedly connected with a sliding component, and the top of the sliding component is fixedly connected with a load-bearing component. The protection mechanism is fixedly connected into the fixing frame, the fixing frame is firstly fixed through the base, then the sliding assembly is fixed through the fixing frame, the moving effect of the weight bearing assembly is achieved through the sliding assembly, and then the effect of exercising leg muscles is achieved through the weight bearing assembly. And finally, the effect of protecting a user through a protection mechanism is achieved, the situation that the load-bearing assembly accidentally hurts the user is avoided, a limiting frame is fixed through a fixing frame, then the movement range of a positioning assembly is limited through the limiting frame, the movement range of the load-bearing assembly is adjusted through the positioning assembly, and finally the load-bearing assembly is fixed through a clamping assembly.

Description

Technical Field

[0001] The utility model relates to the technical field of fitness leg press machines, and particularly relates to a safety protection structure of a fitness leg press machine. Background Art

[0002] When people exercise their bodies, they often use fitness equipment, including lying push rods, rowing machines and other equipment. Among them, the leg press machine is one of the few equipment for targeted training of the legs. Because there are more leg muscles, the weight used by the leg press machine is often larger.

[0003] In the Chinese utility model with the publication number CN206587328U, a leg press machine, a leg curl machine and a leg extension machine are disclosed. The leg press machine includes: a cable resistance element adapted to provide a resistance path at least partially defined by a user; a user support adapted to move along a movement path as a leg press is performed; and a load including a set of plates that can be selectively coupled to the cable resistance element. The leg curl machine includes: a cable resistance element adapted to provide a resistance path at least partially defined by a user; a user support adapted to move along a movement path as a leg curl is performed; and a load including a set of plates that can be selectively coupled to the cable resistance element. The leg extension machine includes: a cable resistance element; a user support adapted to move along a path; and a load including a set of plates.

[0004] At present, for the fitness leg press machines on the market, during use, because there are more leg muscles than other parts of the body, in order to ensure the training efficiency, usually a larger weight is used. While the training efficiency with a large weight is improved, the risk of injury also increases. Therefore, corresponding protection devices are needed. Summary of the Utility Model

[0005] The utility model provides a safety protection structure of a fitness leg press machine, aiming at solving the problem that for the existing fitness leg press machines, during use, because there are more leg muscles than other parts of the body, in order to ensure the training efficiency, usually a larger weight is used. While the training efficiency with a large weight is improved, the risk of injury also increases. Therefore, corresponding protection devices are needed.

[0006] The utility model is realized as follows. A safety protection structure of a fitness leg press machine includes a base. A fixed frame is fixedly connected to the top of the base. A sliding component is fixedly connected to the top of the fixed frame. A weight-bearing component is fixedly connected to the top of the sliding component. A protection mechanism is fixedly connected inside the fixed frame.

[0007] The protection mechanism includes a limit frame, a positioning component, and a clamping component. The limit frame is fixedly connected inside the fixed frame. The positioning component is movably connected to the surface of the limit frame. The clamping component is fixedly connected to the surface of the fixed frame.

[0008] To achieve the effect of controlling the movement range of the load-bearing component, as an optimal safety protection structure of a fitness leg press machine of the present invention, the positioning component includes a movable frame, a handle, and a pin. The movable frame is movably connected to the surface of the limit frame. The handle is fixedly connected to the top of the movable frame. The pin is movably connected inside the movable frame. The pin penetrates the movable frame and extends into the limit frame.

[0009] To achieve the effect of fixing the load-bearing component, as an optimal safety protection structure of a fitness leg press machine of the present invention, the clamping component includes a limit block, a rotating rod, and a clamping rod. The limit block is fixedly connected to the surface of the fixed frame. The rotating rod is rotatably connected inside the limit block. The clamping rod is fixedly connected to the top of the rotating rod.

[0010] To achieve the effect of enabling the movement of the load-bearing component, as an optimal safety protection structure of a fitness leg press machine of the present invention, the sliding component includes a sliding seat, a sliding rod, and a slider. The sliding seat is fixedly connected to the surface of the fixed frame. The sliding rod is fixedly connected between the opposite sides of the sliding seat. The slider is movably connected to the surface of the sliding rod.

[0011] To achieve the effect of quickly adjusting the load and performing leg training, as an optimal safety protection structure of a fitness leg press machine of the present invention, the load-bearing component includes a connecting frame, a load-bearing frame, and a pedal. The connecting frame is fixedly connected to the surface of the slider. The load-bearing frame is fixedly connected to the top of the connecting frame. The pedal is fixedly connected to the front side of the connecting frame.

[0012] To achieve the effect of facilitating the adjustment of the position of the movable frame, as an optimal safety protection structure of a fitness leg press machine of the present invention, fixing holes for cooperating with the pins are provided inside the limit frame. The number of the fixing holes is set to be several and is evenly distributed inside the limit frame. A baffle is fixedly connected to the rear side of the movable frame.

[0013] To achieve the effect of cooperating with the clamping component to adjust the load-bearing component, as an optimal safety protection structure of a fitness leg press machine of the present invention, a convex rod for cooperating with the clamping rod is fixedly connected to the surface of the slider. The convex rod abuts against the top of the clamping rod. A hand rod is fixedly connected to the side of the rotating rod away from the clamping rod.

[0014] In order to achieve the effect of providing a stable training environment, as an optimization of the safety protection structure of a fitness leg press machine of the present utility model, a support frame is fixedly connected to the top of the base, a seat cushion and a backrest are respectively fixedly connected to the top of the support frame, and the materials of the seat cushion and the backrest are both set as anti-slip materials.

[0015] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0016] For the safety protection structure of this fitness leg press machine, first, the fixing frame is fixed through the base, then the sliding component is fixed through the fixing frame, and the moving effect of the load-bearing component is realized through the sliding component. Then, the effect of exercising the leg muscles is achieved through the load-bearing component. Finally, the effect of protecting the user is achieved through the protection mechanism to avoid the load-bearing component from accidentally injuring the user. The limiting frame is fixed through the fixing frame, then the moving range of the positioning component is limited through the limiting frame, and the moving range of the load-bearing component is adjusted through the positioning component. Finally, the load-bearing component is fixed through the clamping component. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is the overall structure diagram of the safety protection structure of the fitness leg press machine of the present utility model;

[0018] Figure 2 It is the structural schematic diagram of the protection mechanism in the present utility model;

[0019] Figure 3 It is the structural schematic diagram of the positioning component in the present utility model;

[0020] Figure 4 It is the structural schematic diagram of the clamping component in the present utility model;

[0021] Figure 5 It is the structural schematic diagram of the sliding component in the present utility model;

[0022] Figure 6 It is the structural schematic diagram of the load-bearing component in the present utility model.

[0023] In the figure, 1. Base; 2. Fixing frame; 3. Sliding component; 301. Slide seat; 302. Slide bar; 303. Slide block; 4. Load-bearing component; 401. Connecting frame; 402. Load-bearing frame; 403. Pedal; 5. Protection mechanism; 501. Limiting frame; 502. Positioning component; 5021. Movable frame; 5022. Handle; 5023. Pin; 503. Clamping component; 5031. Limiting block; 5032. Rotating rod; 5033. Clamping rod; 6. Fixing hole; 7. Baffle; 8. Convex rod; 9. Hand rod; 10. Support frame; 11. Seat cushion; 12. Backrest. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0024] In order to make the objectives, technical solutions and advantages of the present utility model more clear and understandable, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present utility model and are not used to limit the present utility model.

[0025] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the accompanying drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present utility model. In addition, in the description of the present utility model, the meaning of "a plurality" is two or more unless otherwise specifically defined.

[0026] Please refer to Figure 1-6 , the present utility model provides a technical solution: a safety protection structure for a fitness leg press machine, including a base 1, a fixed frame 2 is fixedly connected to the top of the base 1, a sliding assembly 3 is fixedly connected to the top of the fixed frame 2, a weight-bearing assembly 4 is fixedly connected to the top of the sliding assembly 3, and a protection mechanism 5 is fixedly connected inside the fixed frame 2;

[0027] The protection mechanism 5 includes a limit frame 501, a positioning assembly 502 and a clamping assembly 503. The limit frame 501 is fixedly connected inside the fixed frame 2, the positioning assembly 502 is movably connected to the surface of the limit frame 501, and the clamping assembly 503 is fixedly connected to the surface of the fixed frame 2.

[0028] In this embodiment: First, the fixed frame 2 is fixed through the base 1, then the sliding assembly 3 is fixed through the fixed frame 2, and the moving effect of the weight-bearing assembly 4 is achieved through the sliding assembly 3. Then, the effect of exercising the leg muscles is achieved through the weight-bearing assembly 4. Finally, the effect of protecting the user is achieved through the protection mechanism 5 to prevent the weight-bearing assembly 4 from accidentally injuring the user. The limit frame 501 is fixed through the fixed frame 2, then the moving range of the positioning assembly 502 is limited through the limit frame 501, and the moving range of the weight-bearing assembly 4 is adjusted through the positioning assembly 502. Finally, the weight-bearing assembly 4 is fixed through the clamping assembly 503.

[0029] As a technical optimization solution of the present utility model, the positioning assembly 502 includes a movable frame 5021, a handle 5022 and a pin 5023. The movable frame 5021 is movably connected to the surface of the limit frame 501, the handle 5022 is fixedly connected to the top of the movable frame 5021, the pin 5023 is movably connected inside the movable frame 5021, and the pin 5023 penetrates the movable frame 5021 and extends into the limit frame 501.

[0030] In this embodiment: The movement range of the movable frame 5021 is restricted by the limiting frame 501, then the handle 5022 is fixed by the movable frame 5021, and the limiting of the load-bearing assembly 4 is achieved through the movable frame 5021 to adjust its movement range. Then, the effect of facilitating the movement of the movable frame 5021 is achieved through the handle 5022. Finally, the movable frame 5021 is fixed by the pin 5023 passing through the movable frame 5021 and extending into the interior of the limiting frame 501.

[0031] As a technical optimization scheme of the present utility model, the clamping component 503 includes a limiting block 5031, a rotating rod 5032, and a clamping rod 5033. The limiting block 5031 is fixedly connected to the surface of the fixed frame 2, the rotating rod 5032 is rotatably connected inside the limiting block 5031, and the clamping rod 5033 is fixedly connected to the top of the rotating rod 5032.

[0032] In this embodiment: The limiting block 5031 is fixed by the fixed frame 2, the rotation position of the rotating rod 5032 is restricted by the limiting block 5031, then the rotation effect of the clamping rod 5033 is achieved by fixing the clamping rod 5033 through the rotating rod 5032. Finally, the effect of fixing the load-bearing assembly 4 is achieved through the cooperation of the clamping rod 5033 and the sliding assembly 3.

[0033] As a technical optimization scheme of the present utility model, the sliding assembly 3 includes a sliding seat 301, a sliding rod 302, and a slider 303. The sliding seat 301 is fixedly connected to the surface of the fixed frame 2, the sliding rod 302 is fixedly connected between the opposite sides of the sliding seat 301, and the slider 303 is movably connected to the surface of the sliding rod 302.

[0034] In this embodiment: The sliding seat 301 is fixed by the fixed frame 2, the sliding rod 302 is fixed through the mutual cooperation of the sliding seats 301, then the movement range of the slider 303 is restricted by the sliding rod 302, and the movement effect of the load-bearing assembly 4 is achieved by fixing the load-bearing assembly 4 through the slider 303.

[0035] As a technical optimization scheme of the present utility model, the load-bearing assembly 4 includes a connecting frame 401, a load-bearing frame 402, and a pedal 403. The connecting frame 401 is fixedly connected to the surface of the slider 303, the load-bearing frame 402 is fixedly connected to the top of the connecting frame 401, and the pedal 403 is fixedly connected to the front side of the connecting frame 401.

[0036] In this embodiment: The connecting frame 401 is fixed by the slider 303, the load-bearing frame 402 and the pedal 403 are fixed by the connecting frame 401, then the effect of facilitating the adjustment of the load is achieved through the load-bearing frame 402. Finally, the pedal 403 prevents the user from slipping during use and cooperates with the sliding assembly 3 for leg training.

[0037] As a technical optimization solution of the utility model, a fixing hole 6 for cooperating with the pin 5023 is formed inside the limit frame 501. The number of the fixing holes 6 is set to be several and evenly distributed inside the limit frame 501. A baffle 7 is fixedly connected to the rear side of the movable frame 5021.

[0038] In this embodiment: Through the cooperation of the fixing hole 6 formed inside the limit frame 501 and the pin 5023, it is convenient for the pin 5023 to fix the movable frame 5021 on the surface of the limit frame 501. Then, the baffle 7 is fixed by the movable frame 5021, and the movement range of the load-bearing component 4 is restricted by the baffle 7.

[0039] As a technical optimization solution of the utility model, a convex rod 8 for cooperating with the clamping rod 5033 is fixedly connected to the surface of the slider 303. The convex rod 8 abuts against the top of the clamping rod 5033. A hand rod 9 is fixedly connected to the side of the rotating rod 5032 away from the clamping rod 5033.

[0040] In this embodiment: The convex rod 8 is fixed by the slider 303, so that it is convenient for the clamping rod 5033 to cooperate with the convex rod 8 to fix the slider 303 and the connecting frame 401, avoiding the movement of the load-bearing frame 402 without affecting its normal use. Then, the hand rod 9 is fixed by the rotating rod 5032, and the rotating rod 5032 can be rotated conveniently by the hand rod 9.

[0041] As a technical optimization solution of the utility model, a support frame 10 is fixedly connected to the top of the base 1. A seat cushion 11 and a backrest 12 are respectively fixedly connected to the top of the support frame 10. The materials of the seat cushion 11 and the backrest 12 are both set to be anti-slip materials.

[0042] In this embodiment: The support frame 10 is fixed by the base 1, the seat cushion 11 and the backrest 12 are fixed by the support frame 10, and a stable training environment is provided for the user through the mutual cooperation of the seat cushion 11 and the backrest 12.

[0043] Working principle: First, adjust the weight on the weight rack 402 according to the user's own weight-bearing intensity before leg training. Then, drive the movable frame 5021 to move on the surface of the limit frame 501 through the handle 5022. Then, insert the pin 5023 through the movable frame 5021 and into the limit frame 501. At this time, the moving range of the weight rack 402 is limited, avoiding the situation of hurting the trainer when the weight rack 402 moves to the limit distance. After that, the trainer steps into the fixed frame 2, sits on the top of the cushion 11, and presses the back against the backrest 12. Then, step on the surface of the pedal 403 and confirm that it is firmly stepped on. Then, hold the hand rod 9. Then, the leg exerts force to push the pedal 403 and the weight rack 402 on the surface of the sliding rod 302. At this time, the convex rod 8 fixed to the slider 303 is separated from the clamping rod 5033. The trainer drives the rotating rod 5032 and the clamping rod 5033 to rotate through the hand rod 9, avoiding the clamping rod 5033 from affecting the movement of the slider 303. At this time, the trainer can perform resistance training with the weight rack 402, thereby exercising the leg muscles and reducing the risk of injury.

[0044] The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A safety protection structure for a fitness leg press machine, comprising a base (1), characterized in that: The top of the base (1) is fixedly connected to a fixing frame (2), the top of the fixing frame (2) is fixedly connected to a sliding assembly (3), the top of the sliding assembly (3) is fixedly connected to a load-bearing assembly (4), and the interior of the fixing frame (2) is fixedly connected to a protective mechanism (5); The protection mechanism (5) comprises a limiting frame (501), a positioning component (502) and a locking component (503); the limiting frame (501) is fixedly connected to the inside of the fixing frame (2); the positioning component (502) is movably connected to the surface of the limiting frame (501); and the locking component (503) is fixedly connected to the surface of the fixing frame (2).

2. The safety protection structure of a fitness leg press machine according to claim 1, characterized in that: The positioning assembly (502) comprises a movable frame (5021), a handle (5022) and a latch (5023); the movable frame (5021) is movably connected to the surface of the limiting frame (501); the handle (5022) is fixedly connected to the top of the movable frame (5021); the latch (5023) is movably connected to the inside of the movable frame (5021); and the latch (5023) passes through the movable frame (5021) and extends to the inside of the limiting frame (501).

3. The safety protection structure of a fitness leg press machine according to claim 1, characterized in that: The locking assembly (503) comprises a limit block (5031), a rotating rod (5032) and a locking rod (5033); the limit block (5031) is fixedly connected to the surface of the fixed frame (2); the rotating rod (5032) is rotatably connected to the inside of the limit block (5031); and the locking rod (5033) is fixedly connected to the top of the rotating rod (5032).

4. The safety protection structure of a fitness leg press machine according to claim 3, characterized in that: The sliding assembly (3) comprises a sliding seat (301), a sliding rod (302) and a sliding block (303); the sliding seat (301) is fixedly connected to the surface of the fixed frame (2); the sliding rod (302) is fixedly connected between opposite sides of the sliding seat (301); and the sliding block (303) is movably connected to the surface of the sliding rod (302).

5. The safety protection structure of a fitness leg press machine according to claim 4, characterized in that: The load-bearing assembly (4) comprises a connecting frame (401), a load-bearing frame (402) and a pedal (403), wherein the connecting frame (401) is fixedly connected to the surface of the slider (303), the load-bearing frame (402) is fixedly connected to the top of the connecting frame (401), and the pedal (403) is fixedly connected to the front side of the connecting frame (401).

6. The safety protection structure of a fitness leg press machine according to claim 2, characterized in that: The interior of the limiting frame (501) is provided with a fixing hole (6) for use with the bayonet (5023); the number of the fixing holes (6) is set to be several and evenly distributed inside the limiting frame (501); and the rear side of the movable frame (5021) is fixedly connected with a baffle (7).

7. The safety protection structure of a fitness leg press machine according to claim 4, characterized in that: A convex rod (8) used in conjunction with the clamping rod (5033) is fixedly connected to the surface of the sliding block (303), the convex rod (8) abuts against the top of the clamping rod (5033), and a hand rod (9) is fixedly connected to the side of the rotating rod (5032) away from the clamping rod (5033).

8. The safety protection structure of a fitness leg press machine according to claim 1, characterized in that: The top of the base (1) is fixedly connected to a support frame (10), and the top of the support frame (10) is respectively fixedly connected to a seat cushion (11) and a backrest (12), and the material of the seat cushion (11) and the backrest (12) are both set to be anti-slip material.

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