Strength adjusting device for fitness equipment

Abstract

The utility model provides a fitness equipment strength adjusting device, and belongs to the technical field of fitness equipment. The fitness equipment strength adjusting device comprises a main rod, a buckle mechanism is arranged on one side of the main rod, an adjusting mechanism is arranged on one side of the buckle mechanism, and a weight stack is arranged on one side of the adjusting mechanism; compared with the prior art, the adjusting mechanism has the advantages that the first rotary knob is arranged, the adjusting mechanism is fixed in the mode that the buckle is combined with the first rotary knob, mounting and dismounting are convenient and fast, the anti-falling function is achieved, the first rotary knob cannot be loosened due to vibration or shaking of equipment during long-term use, and the adjusting mechanism is not prone to falling off. A fourth clamping groove in a specific shape is formed in the auxiliary rod, when weight stacks with different weights need to be replaced, a second rotary knob is pushed to move towards the interior of the auxiliary rod by a small distance, then the second rotary knob is rotated to drive a rotating rod to rotate, all the weight stacks can be taken down from the auxiliary rod, and operation is convenient and fast.

Description

Technical Field

[0001] The utility model relates to the technical field of fitness equipment, and particularly relates to a strength adjusting device for fitness equipment. Background Art

[0002] Dumbbells are simple equipment for enhancing muscle strength training. Its main material is cast iron, and some are wrapped with a layer of rubber on the outside. Its use is for muscle strength training and compound muscle movement training. For patients with muscle weakness caused by motor paralysis, pain, long-term inactivity, etc., holding dumbbells, they can use the weight of the dumbbells to perform active anti-resistance exercises to train muscle strength. Dumbbells can train a single muscle; if the weight is increased, the coordination of multiple muscles is required, and it can also be used as a compound muscle movement training. An auxiliary equipment for weightlifting and fitness exercises. There are two types: fixed-weight dumbbells and adjustable-weight dumbbells: 1. Fixed-weight dumbbells. Cast from pig iron, with an iron rod in the middle and solid spherical ends for practice; 2. Adjustable dumbbells. Similar to a scaled-down barbell, with round iron sheets of different weights sleeved on both ends of a short iron rod, about 40-45 cm long, and the weight can be increased or decreased during weightlifting or fitness exercises.

[0003] Patent No.: CN204073240U proposes a strength adjusting device for fitness equipment. At present, the exercise loads of many outdoor fitness equipment on the market are fixed and cannot be adjusted according to the needs of the trainers. In order to overcome the problem that the strength of the counterweight area of the existing outdoor fitness equipment cannot be adjusted, the utility model provides a counterweight adjusting device specially used for outdoor fitness equipment. The device consists of an immovable basic counterweight plate and a movable counterweight plate. After the device is installed on the outdoor fitness equipment, the strength of the counterweight area of the fitness equipment can be adjusted according to the needs of the user. So that outdoor fitness equipment can meet the fitness needs of more people.

[0004] When the existing device is in use, there is a lack of a mechanism for completely fixing the counterweight plate. When the user performs explosive strength training, the counterweight plate is prone to looseness or even fall off in the environment of long-term shaking.

[0005] Therefore, this application provides a strength adjusting device for fitness equipment to meet the demand. Content of the Utility Model

[0006] The technical problem to be solved by the utility model is to provide a strength adjusting device for fitness equipment to solve the problem that the existing counterweight plate is not completely fixed, resulting in loosening and falling off of the counterweight plate.

[0007] To solve the above technical problem, the utility model provides the following technical solutions:

[0008] A fitness equipment strength adjustment device comprises a main rod, a buckle mechanism is arranged on one side of the main rod, an adjustment mechanism is arranged on one side of the buckle mechanism, and a weight plate is arranged on one side of the adjustment mechanism;

[0009] The adjusting mechanism comprises a first adjuster and a second adjuster, the first adjuster and the second adjuster are symmetrically arranged with the main rod as the center, the first adjuster and the second adjuster both comprise a sub-rod, a limiting hole, a second knob, a fourth slot, a rotating block, a second block, a cross slot, a second limiting ring, a first spring and a rotating rod, the sub-rod is arranged on one side of the buckle mechanism, the limiting hole is provided at the top and the bottom of the sub-rod, the fourth slot is provided inside the sub-rod, the second knob is movably sleeved on one side of the sub-rod, the rotating block is fixedly connected on one side of the second knob, the second block is fixedly connected on one side of the rotating block, the cross slot is provided inside the rotating block, the second limiting ring is fixedly sleeved on one side of the rotating block, the first spring is provided on one side of the second limiting ring, and the rotating rod is movably sleeved inside the cross slot.

[0010] As a preferred solution, the adjustment mechanism also includes an elliptical block, a clamping plate, a second spring and a clamping column. The elliptical block is fixedly mounted on one side of the rotating rod, the top of the elliptical block is movably connected to the clamping plate, the bottom of the clamping plate is provided with a second spring, and the top of the clamping plate is fixedly connected to the clamping column.

[0011] As a preferred solution, the clamping column is movably sleeved inside the limiting hole, the clamping plate is movably installed inside the auxiliary rod, and the elliptical block is movably installed inside the auxiliary rod.

[0012] As a preferred solution, the second clamping block is movably clamped inside the fourth clamping slot, one side of the first spring is fixedly connected to one side of the second limiting ring, and the other side of the first spring is fixedly connected to the clamping slot inside the auxiliary rod.

[0013] As a preferred scheme, the buckle mechanism includes a first buckle group and a second buckle group, the first buckle group and the second buckle group are symmetrically arranged with the main rod as the center, the first buckle group and the second buckle group both include a first limiting ring, a first knob, a first clamping block, an external threaded sleeve, an adapter ring, a baffle, a first clamping groove, a second clamping groove and a third clamping groove, the first limiting ring is fixedly sleeved on one side of the main rod, one side of the first limiting ring is threadedly sleeved with the first knob, the first clamping block is fixedly installed on one side of the main rod, one side of the first clamping block is movably connected with an external threaded sleeve, one side of the external threaded sleeve is fixedly connected with an adapter ring, one side of the adapter ring is fixedly connected with a baffle, one side of the adapter ring is provided with a first clamping groove, the other side of the adapter ring is provided with a second clamping groove, and the inside of the second clamping groove is provided with a third clamping groove.

[0014] As a preferred solution, the first card slot communicates with the second card slot. The first card block is movably connected inside the first card slot. The first card block has the same shape as the third card slot. The first knob is threadedly sleeved on one side of the external thread sleeve.

[0015] As a preferred solution, the baffle is fixedly connected to one side of the secondary rod. The baffle is arranged on one side of the counterweight piece. The width of the second card slot is the same as that of the first card block.

[0016] Compared with the prior art, the present utility model has at least the following beneficial effects:

[0017] 1. A strength adjustment device for a fitness equipment. By setting the first knob and fixing the adjustment mechanism by combining it with a buckle, it is not only convenient for installation and disassembly, but also has an anti-detachment function. During long-term use, the first knob will not become loose due to vibration or shaking of the equipment, which is safe and reliable.

[0018] 2. A strength adjustment device for a fitness equipment. By setting the second knob and opening a fourth card slot with a specific shape inside the secondary rod, when it is necessary to replace counterweight pieces of different weights, only need to push the second knob to move a short distance inside the secondary rod, and then rotate the second knob to drive the rotating rod to rotate, then the counterweight piece can be completely removed from the secondary rod, and the operation is convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The drawings incorporated herein and constituting a part of the specification illustrate embodiments of the present disclosure, and together with the specification are further used to explain the principles of the present disclosure and enable those skilled in the relevant art to implement and use the present disclosure.

[0020] Figure 1 It is a schematic diagram of the main structure of a strength adjustment device for a fitness equipment;

[0021] Figure 2 It is a schematic diagram of the partial structure of a strength adjustment device for a fitness equipment;

[0022] Figure 3 It is a schematic diagram of the main structure of the buckle mechanism of a strength adjustment device for a fitness equipment;

[0023] Figure 4 It is a schematic diagram of the partial structure of the buckle mechanism of a strength adjustment device for a fitness equipment;

[0024] Figure 5 It is a schematic diagram of the exploded structure of the buckle mechanism of a strength adjustment device for a fitness equipment;

[0025] Figure 6 It is a schematic diagram of the main structure of the adjustment mechanism of a strength adjustment device for a fitness equipment.

[0026] Figure 7 It is a schematic exploded view of the adjusting mechanism of a strength adjusting device for a fitness equipment.

[0027] [Reference Signs]

[0028] 1. Main rod; 2. Buckle mechanism; 21. First buckle group; 22. Second buckle group; 201. First limiting ring; 202. First knob; 203. First clamping block; 204. External thread sleeve; 205. Adapter ring; 206. Baffle; 207. First card slot; 208. Second card slot; 209. Third card slot; 3. Adjusting mechanism; 31. First adjuster; 32. Second adjuster; 301. Sub-rod; 302. Limiting hole; 303. Second knob; 304. Fourth card slot; 305. Rotating block; 306. Second clamping block; 307. Cross slot; 308. Second limiting ring; 309. First spring; 310. Rotating rod; 311. Elliptical block; 312. Clamping plate; 313. Second spring; 314. Clamping post; 4. Counterweight plate.

[0029] As shown in the figure, in order to clearly show the structure of the embodiments of the present invention, specific structures and devices are marked in the figure. However, this is only for schematic purposes and is not intended to limit the present invention to this specific structure, device and environment. According to specific needs, those of ordinary skill in the art can adjust or modify these devices and environments, and the adjustments or modifications still fall within the scope of the appended claims. Detailed Embodiments

[0030] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0031] Embodiment

[0032] As Figure 1 and Figure 2 shown, an embodiment of the present invention provides a strength adjusting device for a fitness equipment, including a main rod 1. A buckle mechanism 2 is arranged on one side of the main rod 1. An adjusting mechanism 3 is arranged on one side of the buckle mechanism 2. A counterweight plate 4 is arranged on one side of the adjusting mechanism 3;

[0033] As Figure 3 , Figure 4 and Figure 5As shown, the adjusting mechanism 3 includes a first adjuster 31 and a second adjuster 32. The first adjuster 31 and the second adjuster 32 are symmetrically arranged with the main rod 1 as the center. Both the first adjuster 31 and the second adjuster 32 include a secondary rod 301, a limit hole 302, a second knob 303, a fourth card slot 304, a rotating block 305, a second clamping block 306, a cross slot 307, a second limiting ring 308, a first spring 309, and a rotating rod 310. The secondary rod 301 is arranged on one side of the buckle mechanism 2. Limit holes 302 are opened at both the top and bottom of the secondary rod 301. A fourth card slot 304 is opened inside the secondary rod 301. A second knob 303 is movably sleeved on one side of the secondary rod 301. A rotating block 305 is fixedly connected to one side of the second knob 303. A second clamping block 306 is fixedly connected to one side of the rotating block 305. A cross slot 307 is opened inside the rotating block 305. A second limiting ring 308 is fixedly sleeved on one side of the rotating block 305. A first spring 309 is arranged on one side of the second limiting ring 308. A rotating rod 310 is movably sleeved inside the cross slot 307.

[0034] The adjusting mechanism 3 further includes an elliptical block 311, a clamping plate 312, a second spring 313, and a clamping post 314. The elliptical block 311 is fixedly installed on one side of the rotating rod 310. A clamping plate 312 is movably connected to the top of the elliptical block 311. A second spring 313 is arranged at the bottom of the clamping plate 312. A clamping post 314 is fixedly connected to the top of the clamping plate 312.

[0035] The clamping post 314 is movably sleeved inside the limit hole 302. The clamping plate 312 is movably installed inside the secondary rod 301. The elliptical block 311 is movably installed inside the secondary rod 301.

[0036] The second clamping block 306 is movably clamped inside the fourth card slot 304. One side of the first spring 309 is fixedly connected to one side of the second limiting ring 308. The other side of the first spring 309 is fixedly connected to the card slot inside the secondary rod 301.

[0037] It should be further explained that when it is necessary to replace the counterweight piece 4 of different weights, manually push the second knob 303 and the rotating block 305 to move inside the secondary rod 301 until the second clamping block 306 on one side of the rotating block 305 moves from the end of the fourth card slot 304 to the annular card slot inside the fourth card slot 304. Then, after feeling the restriction of the second knob 303, start to rotate the second knob 303 and the rotating block 305. At this time, the second clamping block 306 moves from the end of the fourth card slot 304 to the starting end of the fourth card slot 304. While the second knob 303 rotates, the elliptical block 311 rotates simultaneously, further driving the clamping plate 312 to move up and down as the elliptical block 311 rotates. At this time, the elliptical block 311 rotates 90 degrees, and the clamping post 314 enters the inside of the secondary rod 301 through the limit hole 302 driven by the clamping plate 312. The counterweight piece 4 is no longer restricted by the clamping post 314 and can be freely configured. After the configuration is completed, reverse-rotate the second knob 303, and under the action of the first spring 309, the second clamping block 306 can be fixed inside the fourth card slot 304.

[0038] As Figure 6 and Figure 7 shown, the buckle mechanism 2 includes a first buckle group 21 and a second buckle group 22. The first buckle group 21 and the second buckle group 22 are symmetrically arranged with the main rod 1 as the center. Both the first buckle group 21 and the second buckle group 22 include a first limiting ring 201, a first knob 202, a first clamping block 203, an external thread sleeve 204, an adapter ring 205, a baffle 206, a first card slot 207, a second card slot 208, and a third card slot 209. The first limiting ring 201 is fixedly sleeved on one side of the main rod 1. A first knob 202 is threadedly sleeved on one side of the first limiting ring 201. A first clamping block 203 is fixedly installed on one side of the main rod 1. One side of the first clamping block 203 is movably connected to an external thread sleeve 204. One side of the external thread sleeve 204 is fixedly connected to an adapter ring 205. One side of the adapter ring 205 is fixedly connected to a baffle 206. A first card slot 207 is opened on one side of the adapter ring 205. A second card slot 208 is opened on the other side of the adapter ring 205. A third card slot 209 is opened inside the second card slot 208.

[0039] The first card slot 207 communicates with the second card slot 208. The first clamping block 203 is movably connected inside the first card slot 207. The first clamping block 203 has the same shape as the third card slot 209. The first knob 202 is threadedly sleeved on one side of the external thread sleeve 204.

[0040] The baffle 206 is fixedly connected to one side of the secondary rod 301. The baffle 206 is arranged on one side of the counterweight piece 4. The width of the second card slot 208 is the same as that of the first clamping block 203.

[0041] It should be further explained that when it is necessary to replace the main rod 1 with different lengths, only need to manually rotate the first knob 202 until the first knob 202 disengages from the connection between the first limit ring 201 and the external thread sleeve 204. At this time, the first limit ring 201 and the external thread sleeve 204 are no longer restricted by the first knob 202. Then manually push the main rod 1 to drive the first clamping block 203 to disengage from the third clamping groove 209 and enter the inside of the second clamping groove 208. Then rotate the main rod 1 to drive the first clamping block 203 to enter the first clamping groove 207 through the second clamping groove 208. At this time, the buckle mechanism 2 can be completely separated from the main rod 1. Finally, replace the main rod 1 with a suitable length according to the need.

[0042] The working principle and usage process of the present utility model: During the use of the present utility model, first, when it is necessary to replace the main rod 1 with different lengths, only need to manually rotate the first knob 202 until the first knob 202 disengages from the connection between the first limit ring 201 and the external thread sleeve 204. At this time, the first limit ring 201 and the external thread sleeve 204 are no longer restricted by the first knob 202. Then manually push the main rod 1 to drive the first clamping block 203 to disengage from the third clamping groove 209 and enter the inside of the second clamping groove 208. Then rotate the main rod 1 to drive the first clamping block 203 to enter the first clamping groove 207 through the second clamping groove 208. At this time, the buckle mechanism 2 can be completely separated from the main rod 1. Finally, replace the main rod 1 with a suitable length according to the need.

[0043] Finally, when it is necessary to replace the counterweight 4 with different weights, manually push the second knob 303 and the rotating block 305 to move inside the auxiliary rod 301 until the second clamping block 306 on one side of the rotating block 305 moves from the end of the fourth clamping groove 304 to the annular clamping groove inside the fourth clamping groove 304. Then, after feeling that the second knob 303 is restricted, start to rotate the second knob 303 and the rotating block 305. At this time, the second clamping block 306 moves from the end of the fourth clamping groove 304 to the starting end of the fourth clamping groove 304. While the second knob 303 is rotating, the elliptical block 311 rotates simultaneously, further driving the clamping plate 312 to move up and down as the elliptical block 311 rotates. At this time, the elliptical block 311 rotates 90 degrees, and the clamping post 314 enters the inside of the auxiliary rod 301 through the limiting hole 302 under the drive of the clamping plate 312. The counterweight 4 is no longer restricted by the clamping post 314 and can be freely configured. When the configuration is completed, reverse-rotate the second knob 303, and under the action of the first spring 309, the second clamping block 306 can be fixed inside the fourth clamping groove 304.

[0044] Finally, it should be noted that the above are only the preferred embodiments of the present utility model and are not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A fitness equipment strength adjustment device, characterized in that: It comprises a main rod (1), a buckle mechanism (2) is arranged on one side of the main rod (1), an adjustment mechanism (3) is arranged on one side of the buckle mechanism (2), and a weight plate (4) is arranged on one side of the adjustment mechanism (3); The adjusting mechanism (3) comprises a first adjusting device (31) and a second adjusting device (32), wherein the first adjusting device (31) and the second adjusting device (32) are symmetrically arranged with the main rod (1) as the center, and the first adjusting device (31) and the second adjusting device (32) both comprise a secondary rod (301), a limiting hole (302), a second knob (303), a fourth clamping groove (304), a rotating block (305), a second clamping block (306), a cross groove (307), a second limiting ring (308), a first spring (309) and a rotating rod (310), wherein the secondary rod (301) is arranged on one side of the buckle mechanism (2), and the top and A limiting hole (302) is provided at the bottom, a fourth clamping groove (304) is provided inside the auxiliary rod (301), a second knob (303) is movably sleeved on one side of the auxiliary rod (301), a rotating block (305) is fixedly connected on one side of the second knob (303), a second clamping block (306) is fixedly connected on one side of the rotating block (305), a cross groove (307) is provided inside the rotating block (305), a second limiting ring (308) is fixedly sleeved on one side of the rotating block (305), a first spring (309) is provided on one side of the second limiting ring (308), and a rotating rod (310) is movably sleeved inside the cross groove (307).

2. A fitness equipment strength adjustment device according to claim 1, characterized in that: The adjustment mechanism (3) further comprises an elliptical block (311), a clamping plate (312), a second spring (313) and a clamping column (314); the elliptical block (311) is fixedly mounted on one side of the rotating rod (310); the top of the elliptical block (311) is movably connected to the clamping plate (312); the bottom of the clamping plate (312) is provided with a second spring (313); and the top of the clamping plate (312) is fixedly connected to the clamping column (314).

3. A fitness equipment strength adjustment device according to claim 2, characterized in that: The clamping column (314) is movably sleeved inside the limiting hole (302), the clamping plate (312) is movably installed inside the auxiliary rod (301), and the elliptical block (311) is movably installed inside the auxiliary rod (301).

4. A fitness equipment strength adjustment device according to claim 1, characterized in that: The second clamping block (306) is movably clamped inside the fourth clamping slot (304), one side of the first spring (309) is fixedly connected to one side of the second limiting ring (308), and the other side of the first spring (309) is fixedly connected to the clamping slot inside the auxiliary rod (301).

5. A fitness equipment strength adjustment device according to claim 1, characterized in that: The buckle mechanism (2) comprises a first buckle group (21) and a second buckle group (22), the first buckle group (21) and the second buckle group (22) are symmetrically arranged with the main rod (1) as the center, the first buckle group (21) and the second buckle group (22) both comprise a first limit ring (201), a first knob (202), a first clamping block (203), an external threaded sleeve (204), an adapter ring (205), a baffle (206), a first clamping groove (207), a second clamping groove (208) and a third clamping groove (209), the first limit ring (201) is fixedly sleeved on one side of the main rod (1), and the first limit ring A first knob (202) is threadedly sleeved on one side of the (201); the first clamping block (203) is fixedly mounted on one side of the main rod (1); an external threaded sleeve (204) is movably connected to one side of the first clamping block (203); an adapter ring (205) is fixedly connected to one side of the external threaded sleeve (204); a baffle (206) is fixedly connected to one side of the adapter ring (205); a first clamping groove (207) is provided on one side of the adapter ring (205); a second clamping groove (208) is provided on the other side of the adapter ring (205); and a third clamping groove (209) is provided inside the second clamping groove (208).

6. A fitness equipment strength adjustment device according to claim 5, characterized in that: The first clamping slot (207) is connected to the second clamping slot (208), the first clamping block (203) is movably connected inside the first clamping slot (207), the first clamping block (203) and the third clamping slot (209) have the same shape, and the first knob (202) is threadedly sleeved on one side of the external threaded sleeve (204).

7. A fitness equipment strength adjustment device according to claim 5, characterized in that: The baffle (206) is fixedly connected to one side of the auxiliary rod (301), the baffle (206) is arranged on one side of the counterweight plate (4), and the width of the second clamping groove (208) is the same as that of the first clamping block (203).

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