Body-building portal frame

Abstract

The utility model relates to the technical field of portal frames, and discloses a fitness portal frame which comprises a mounting frame, a mounting plate is fixedly connected to the right side of the mounting frame, a buffer assembly is arranged in the mounting plate, a pull-up rod is slidably connected to the interior of the mounting frame, and threaded rods are rotatably connected to the interiors of the left side and the right side of the mounting frame. And the left side and the right side of the rear portion of the pull-up rod are connected to the peripheries of the two threaded rods in a meshed mode correspondingly, two gears are arranged in the left side of the mounting frame, and one gear is fixedly connected to the periphery of one threaded rod. According to the pull-up device, the threaded rod rotates to enable the pull-up rod to ascend and descend, so that the height of the pull-up rod is adjusted, the pull-up rod can adapt to different use requirements, when the placement plate extrudes the mounting plate, the third spring can contract and absorb impact of the mounting plate, and the placement plate is prevented from sliding downwards to damage the mounting plate.

Description

Technical Field

[0001] The utility model relates to the technical field of gantry frames, in particular to a fitness gantry frame. Background Art

[0002] Fitness is an activity that involves exercising the body to improve health and fitness. The goals of fitness include increasing muscle strength, improving cardiovascular health, increasing flexibility, losing weight, or maintaining a healthy body composition. People can exercise in a variety of ways, including weightlifting, aerobics, yoga, running, and swimming.

[0003] The Gym Pull-Up Bar is a versatile piece of fitness equipment commonly used in home or commercial gyms. It is made of solid metal and has multiple functional areas and accessories for comprehensive full-body training. The pull-up bar is an important part of the Gym Pull-Up Bar. The pull-up bar is used for pull-ups and pull-downs to train the back, shoulder and arm muscles.

[0004] The pull-up bar in the existing fitness gantry is fixed in the gantry and its height cannot be changed, which makes it difficult for the pull-up bar to adapt to different usage requirements. Therefore, a fitness gantry is proposed to solve the above problem. Utility Model Content

[0005] In order to make up for the above shortcomings, the utility model provides a fitness gantry frame, which aims to improve the problem in the prior art that the height of the pull-up bar is not easy to adapt to different usage requirements.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A fitness gantry frame, comprising a mounting frame, a mounting plate fixedly connected to the right side of the mounting frame, a buffer assembly arranged inside the mounting plate, a pull-up rod slidably connected inside the mounting frame, threaded rods rotatably connected inside the left and right sides of the mounting frame, the left and right sides of the rear part of the pull-up rod are respectively meshed and connected to the outer peripheries of the two threaded rods, two gears are arranged inside the left side of the mounting frame, one of the gears is fixedly connected to the outer periphery of one of the threaded rods, the other gear is rotatably connected to the inner side of the bottom of the mounting frame, the two gears are meshed and connected, a rotating shaft is fixedly connected to the top side of the other gear, the top end of the rotating shaft passes through the bottom of the mounting frame, pulleys are fixedly connected to the outer peripheries of the two threaded rods, and belts are sleeved on the outer peripheries of the two pulleys;

[0008] As a further description of the above technical solution:

[0009] The buffer assembly includes a rubber pad, which is slidably connected to the inside of the mounting plate, the bottom side of the mounting plate is fixedly connected to a limit plate, the bottom side of the limit plate is rotatably connected to two connecting rods, the bottom end of the connecting rod is rotatably connected to a moving block, the mounting plate is fixedly connected to a support shaft, the moving block is slidably connected to the outer periphery of the support shaft, the outer periphery of the support shaft is sleeved with a spring three, and the two moving blocks are respectively abutted against the front and rear ends of the spring three;

[0010] As a further description of the above technical solution:

[0011] A movable shaft is slidably connected inside the installation frame, a stopper is fixedly connected to the bottom end of the movable shaft, a plurality of uniform teeth are fixedly connected to one side of the stopper, the teeth are meshed with one of the gears, a spring 1 is fixedly connected to the other side of the stopper, and one end of the spring 1 is fixedly connected to the inside of the bottom side of the installation frame;

[0012] As a further description of the above technical solution:

[0013] Two guide rods are fixedly connected inside the installation frame, and the two guide rods are slidably connected inside the left and right sides of the pull-up rod respectively;

[0014] As a further description of the above technical solution:

[0015] Two telescopic rods are fixedly connected inside the mounting plate, the top ends of the telescopic rods are fixedly connected to the bottom side of the limit plate, a second spring is sleeved on the outer periphery of the telescopic rods, the top end of the second spring abuts against the bottom side of the limit plate, and the bottom end of the second spring abuts against the inside of the mounting plate;

[0016] As a further description of the above technical solution:

[0017] A placement plate is slidably connected to the right side of the installation frame, a plurality of evenly distributed counterweight blocks are fixedly connected to the top side of the placement plate, a plurality of evenly distributed sliders are fixedly connected to the left side of the placement plate, and the sliders are slidably connected to the inside of the installation frame;

[0018] As a further description of the above technical solution:

[0019] Two limit rods are fixedly connected to the top side of the mounting plate, and the limit rods are slidably connected to the inside of the placement plate;

[0020] As a further description of the above technical solution:

[0021] The right side of the installation frame is rotatably connected to two rollers, the outer periphery of the roller is abutted with a pull rope, one end of the pull rope is fixedly connected to a handle, and the other end of the pull rope is fixedly connected to the top side of the placement plate.

[0022] The utility model has the following beneficial effects:

[0023] 1. In the utility model, the rotating shaft drives two gears to rotate, and the rotation of the gears drives the threaded rods to rotate. The two threaded rods rotate simultaneously through belts and pulleys. The rotation of the two threaded rods causes the pull-up rod to rise and fall along the threaded rods, thereby adjusting the height of the pull-up rod, so that the pull-up rod can adapt to different usage requirements.

[0024] 2. In the utility model, the arm strength can be exercised by pulling the pull rope by the handle to move the multiple counterweight blocks on the top of the placement plate. A mounting plate is provided at the bottom of the placement plate. The rubber pad inside the mounting plate is connected to the spring three through a connecting rod. When the placement plate squeezes the mounting plate, the spring three can shrink and absorb the impact of the shrinkage of the mounting plate to prevent the placement plate from sliding down and causing damage to the mounting plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 This is a three-dimensional schematic diagram of a fitness gantry proposed by the utility model;

[0026] Figure 2 This is a structural schematic diagram of a threaded rod of a fitness gantry proposed by the utility model;

[0027] Figure 3 This is a schematic diagram of the structure of the gears of a fitness gantry proposed by the utility model;

[0028] Figure 4 This is a structural schematic diagram of a guide rod of a fitness gantry proposed by the utility model;

[0029] Figure 5 This is a structural schematic diagram of a belt of a fitness gantry proposed by the utility model;

[0030] Figure 6 This is a structural schematic diagram of a mounting plate of a fitness gantry proposed by the utility model;

[0031] Figure 7 The utility model is a structural schematic diagram of a slider of a fitness gantry.

[0032] Legend:

[0033] 1. Mounting frame; 2. Moving block; 3. Limiting plate; 4. Mounting plate; 5. Rubber pad; 6. Placement plate; 7. Slider; 8. Limiting rod; 9. Roller; 10. Pull rope; 11. Handle; 12. Pull-up rod; 13. Rotating shaft; 14. Moving shaft; 15. Block; 16. Spring one; 17. Gear; 18. Threaded rod; 19. Guide rod; 20. Pulley; 21. Belt; 22. Spring two; 23. Telescopic rod; 24. Connecting rod; 25. Support shaft; 26. Spring three. DETAILED DESCRIPTION

[0034] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0035] Reference Figure 1-Figure 3 The utility model provides an embodiment: a fitness gantry frame, including a mounting frame 1, the mounting frame 1 is used to install and support other structures, a pull-up rod 12 is slidably connected inside the mounting frame 1, and a user can perform pull-up exercises through the pull-up rod 12, and threaded rods 18 are rotatably connected inside the left and right sides of the mounting frame 1, and the left and right sides of the rear part of the pull-up rod 12 are respectively meshed and connected to the outer periphery of the two threaded rods 18, and the rotation of the threaded rod 18 can drive the pull-up rod 12 to move so as to adjust the height of the pull-up rod 12, and two gears 17 are arranged inside the left side of the mounting frame 1, one of the gears 17 is fixedly connected to the outer periphery of one of the threaded rods 18, and the other gear 17 is rotatably connected to the inner side of the bottom of the mounting frame 1, and the two gears 17 are meshed and connected The two gears 17 mesh with each other to drive the threaded rod 18 to rotate, and the top side of the other gear 17 is fixedly connected to the rotating shaft 13, and the top of the rotating shaft 13 passes through the bottom of the mounting frame 1. Rotating the rotating shaft 13 can drive one of the gears 17 to rotate, and a moving shaft 14 is slidably connected inside the mounting frame 1. The moving shaft 14 is used to drive the stopper 15 to move. The bottom end of the moving shaft 14 is fixedly connected to the stopper 15, and one side of the stopper 15 is fixedly connected to a plurality of uniform teeth, which are meshed with one of the gears 17. The other side of the stopper 15 is fixedly connected to a spring 16, and one end of the spring 16 is fixedly connected to the bottom side of the mounting frame 1. The spring 16 is used to push the stopper 15 to be close to the gear 17, and the plurality of teeth on one side of the stopper 15 mesh with the gear 17 to prevent the gear 17 from rotating.

[0036] Reference Figure 1 , Figure 6A mounting plate 4 is fixedly connected to the right side of the mounting frame 1, and the mounting plate 4 is used to support the placement plate 6. A buffer component is arranged inside the mounting plate 4, and the buffer component includes a rubber pad 5. The rubber pad 5 can absorb the impact of the placement plate 6 on the mounting plate 4, and the rubber pad 5 is slidably connected inside the mounting plate 4. A limiting plate 3 is fixedly connected to the bottom side of the mounting plate 4, and the installation limiting plate 3 can limit the movement of the rubber pad 5. Two connecting rods 24 are rotatably connected to the bottom side of the limiting plate 3. The connecting rod 24 is used to connect the rubber pad 5 and the moving block 2 to each other. The bottom end of the connecting rod 24 is rotatably connected to the moving block 2. A support shaft 25 is fixedly connected inside the mounting plate 4, and the moving block 2 is slidably connected to the support The outer periphery of the shaft 25 and the outer periphery of the supporting shaft 25 are sleeved with a spring three 26, and the two moving blocks 2 are respectively abutted against the front and rear ends of the spring three 26. The movement of the moving block 2 can squeeze the spring three 26 to make the spring three 26 contract, thereby reducing the impact of the placement plate 6 on the mounting plate 4. Two telescopic rods 23 are fixedly connected inside the mounting plate 4, and the top end of the telescopic rod 23 is fixedly connected to the bottom side of the limiting plate 3. The outer periphery of the telescopic rod 23 is sleeved with a spring two 22, and the top end of the spring two 22 abuts against the bottom side of the limiting plate 3, and the bottom end of the spring two 22 abuts against the inside of the mounting plate 4. The spring two 22 is used to push the rubber pad 5 to reset, and the telescopic rod 23 can support the spring two 22 to prevent the spring two 22 from bending under force.

[0037] Reference Figure 5 The outer circumferences of the two threaded rods 18 are fixedly connected with pulleys 20, and the outer circumferences of the two pulleys 20 are sleeved with belts 21, so that the two threaded rods 18 can rotate simultaneously through the pulleys 20 and the belts 21.

[0038] Reference Figure 1 , Figure 4 Two guide rods 19 are fixedly connected inside the mounting frame 1, and the two guide rods 19 are slidably connected inside the left and right sides of the pull-up rod 12 respectively. The installation of the guide rods 19 can guide the pull-up rod 12 to move smoothly.

[0039] Reference Figure 1 , Figure 7 A placement plate 6 is slidably connected to the right side of the installation frame 1, and a plurality of evenly distributed counterweights are fixedly connected to the top side of the placement plate 6. A plurality of evenly distributed sliders 7 are fixedly connected to the left side of the placement plate 6. The slider 7 is slidably connected to the inside of the installation frame 1. The sliding of the slider 7 inside the installation frame 1 can make the placement plate 6 move smoothly. Two limit rods 8 are fixedly connected to the top side of the installation plate 4. The limit rods 8 are slidably connected to the inside of the placement plate 6. The limit rods 8 are used to limit the movement of the placement plate 6. Two rollers 9 are rotatably connected to the right side of the installation frame 1. A pull rope 10 is abutted against the outer periphery of the roller 9. One end of the pull rope 10 is fixedly connected to a handle 11, and the other end of the pull rope 10 is fixedly connected to the top side of the placement plate 6. Pulling the pull rope 10 through the handle 11 can drive the counterweight on the top side of the placement plate 6 to move, thereby exercising arm strength, and the roller 9 is used to support the pull rope 10.

[0040] Working principle: Before using the pull-up rod 12 inside the device, adjust the height of the pull-up rod 12 according to usage requirements, push the movable shaft 14 to separate the teeth on one side of the block 15 from the gear 17, and then rotate the rotating shaft 13. The rotation of the rotating shaft 13 can drive the two gears 17 to rotate, and the rotation of one of the gears 17 can drive one of the threaded rods 18 to rotate, and one of the threaded rods 18 drives the other threaded rod 18 to rotate through the pulley 20 and the belt 21. The simultaneous rotation of the two threaded rods 18 can drive the pull-up rod 12 to move, thereby adjusting the height of the pull-up rod 12. The pull rope 10 can be pulled to move by the handle 11, and the movement of the pull rope 10 can drive the counterweight block on the top side of the placement plate 6 to move so as to perform exercise. The mounting plate 4 at the bottom of the placement plate 6 can support the placement plate 6. The user will pull the placement plate 6 up and down during exercise, and the placement plate 6 will impact the mounting plate 4 during movement. When the placement plate 6 presses the mounting plate 4, the rubber pad 5 will be recovered into the inside of the mounting plate 4 and push the two connecting rods 24 to rotate. The rotation of the two connecting rods 24 respectively drives the two moving blocks 2 to move and causes the two moving blocks 2 to squeeze the spring three 26. The spring three 26 is forced to contract and can absorb the impact on the mounting plate 4, thereby protecting the mounting plate 4.

[0041] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A fitness gantry, comprising a mounting frame (1), characterized in that: The right side of the installation frame (1) is fixedly connected with a mounting plate (4), a buffer assembly is arranged inside the installation plate (4), a pull-up rod (12) is slidably connected inside the installation frame (1), the left and right sides of the installation frame (1) are rotatably connected with threaded rods (18), the left and right sides of the rear part of the pull-up rod (12) are respectively meshed and connected with the outer peripheries of the two threaded rods (18), two gears (17) are arranged inside the left side of the installation frame (1), one of the gears (17) is fixedly connected with the outer periphery of one of the threaded rods (18), the other gear (17) is rotatably connected to the inner side of the bottom of the installation frame (1), the two gears (17) are meshed and connected, the top side of the other gear (17) is fixedly connected with a rotating shaft (13), the top end of the rotating shaft (13) passes through the bottom of the installation frame (1), the outer peripheries of the two threaded rods (18) are fixedly connected with pulleys (20), and the outer peripheries of the two pulleys (20) are sleeved with belts (21).

2. A fitness gantry according to claim 1, characterized in that: The buffer assembly comprises a rubber pad (5), the rubber pad (5) is slidably connected to the inside of the mounting plate (4), the bottom side of the mounting plate (4) is fixedly connected to a limit plate (3), the bottom side of the limit plate (3) is rotatably connected to two connecting rods (24), the bottom end of the connecting rod (24) is rotatably connected to a moving block (2), the mounting plate (4) is fixedly connected to a support shaft (25), the moving block (2) is slidably connected to the outer periphery of the support shaft (25), the outer periphery of the support shaft (25) is provided with a spring three (26), and the two moving blocks (2) are respectively abutted against the front and rear ends of the spring three (26).

3. A fitness gantry according to claim 1, characterized in that: A movable shaft (14) is slidably connected inside the installation frame (1), a stopper (15) is fixedly connected to the bottom end of the movable shaft (14), a plurality of uniform teeth are fixedly connected to one side of the stopper (15), the teeth are meshed with one of the gears (17), a spring (16) is fixedly connected to the other side of the stopper (15), and one end of the spring (16) is fixedly connected to the bottom of the installation frame (1).

4. A fitness gantry according to claim 1, characterized in that: Two guide rods (19) are fixedly connected inside the installation frame (1), and the two guide rods (19) are slidably connected inside the left and right sides of the pull-up rod (12) respectively.

5. The fitness gantry according to claim 2, characterized in that: Two telescopic rods (23) are fixedly connected inside the mounting plate (4), the top ends of the telescopic rods (23) are fixedly connected to the bottom side of the limiting plate (3), a second spring (22) is sleeved on the outer periphery of the telescopic rods (23), the top end of the second spring (22) abuts against the bottom side of the limiting plate (3), and the bottom end of the second spring (22) abuts against the inside of the mounting plate (4).

6. The fitness gantry according to claim 1, characterized in that: The right side of the installation frame (1) is slidably connected to a placement plate (6), the top side of the placement plate (6) is fixedly connected to a plurality of evenly distributed counterweight blocks, the left side of the placement plate (6) is fixedly connected to a plurality of evenly distributed sliders (7), and the sliders (7) are slidably connected inside the installation frame (1).

7. A fitness gantry according to claim 6, characterized in that: Two limiting rods (8) are fixedly connected to the top side of the mounting plate (4), and the limiting rods (8) are slidably connected inside the placement plate (6).

8. The fitness gantry according to claim 6, characterized in that: The right side of the installation frame (1) is rotatably connected to two rollers (9), the outer periphery of the roller (9) is abutted with a pull rope (10), one end of the pull rope (10) is fixedly connected to a handle (11), and the other end of the pull rope (10) is fixedly connected to the top side of the placement plate (6).

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