Safe dumbbell rod with anti-loosening structure

Abstract

The utility model relates to the field of fitness equipment, and discloses a safety dumbbell rod with an anti-loosening structure, which comprises a connecting rod, the left end and the right end of the connecting rod are sleeved with mounting rods, a plurality of dumbbell pieces are arranged on the outer walls of the mounting rods, and a plurality of steel ball grooves are formed in the inner walls of the ends, close to the connecting rod, of the mounting rods. Steel balls are arranged in the steel ball grooves, a plurality of protruding blocks are fixedly connected to the outer wall of the end, close to the connecting rod, of the mounting rod, a moving groove is formed in the end, close to the connecting rod, of the mounting rod, a moving ring is arranged in the moving groove, and a shifting piece is rotationally connected to the outer wall of the moving ring. According to the dumbbell rod, the shifting piece is simply operated to drive the moving ring to compress the spring, the position of the mounting rod on the connecting rod can be adjusted, therefore, the overall length of the dumbbell rod is changed, the individual requirements of different users for the length of the dumbbell rod are met, the precise limiting function is achieved through cooperation of the steel balls and the circular grooves, and the dumbbell rod is convenient to use. And the adjusted length is stable and reliable.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of body -building apparatus especially relates to a safe dumbbell rod with anti -loose structure. BACKGROUND

[0002] Dumbbell is a kind of body -building equipment for strength training, it is mainly composed of dumbbell rod and dumbbell piece. The conventional dumbbell rod is usually fixed length, its length is determined in manufacturing process, cannot be adjusted according to the demand of user. Dumbbell piece is generally fixed on dumbbell rod by nut and other simple ways, to reach the purpose of increasing or reducing weight. In the fitness scene, dumbbell has wide application. Whether in gymnasium or home fitness environment, it is a common strength training tool. For example, in the strength training area of gymnasium, various weight dumbbells are equipped, for the use of people with different training purposes and physical conditions.

[0003] The existing dumbbell rod is mostly fixed length, cannot satisfy the diversification demand of user of different height, different training action and different body proportion to the length of dumbbell rod, and in the use process, dumbbell piece can produce wobble, to cause bad influence to user, for this, aiming at the technical problem, the present application proposes a safe dumbbell rod with anti -loose structure. CONTENT OF UTILITY MODEL

[0004] The utility model aims at solving the shortcomings in the prior art, and provides a safe dumbbell rod with anti -loose structure, which can adjust the position of the mounting rod on the connecting rod by simply operating the tab to compress the spring, thereby changing the overall length of the dumbbell rod, meeting the individual needs of different users for the length of the dumbbell rod, and using the cooperation of the steel ball and the circular groove to achieve precise limiting function, ensuring the stability and reliability of the adjusted length, and greatly improving the use flexibility.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] A safe dumbbell rod with anti -loose structure, including connecting rod, the left and right two ends of connecting rod are all set with mounting rod, the outer wall of mounting rod is provided with a plurality of dumbbell pieces, the inner wall of mounting rod near connecting rod one end is opened with a plurality of steel ball grooves, the steel ball groove is provided with steel ball, the outer wall of mounting rod near connecting rod one end is fixedly connected with a plurality of lugs, the one end of mounting rod near connecting rod is opened with moving groove, the moving groove is provided with moving ring, the outer wall of moving ring is rotatably connected with tab.

[0007] Further, the outer wall of the connecting rod is provided with a plurality of circular grooves.

[0008] Further, the end of the mounting rod away from the connecting rod is provided with a limiting knob.

[0009] Further, the inner wall of the limiting knob and the outer wall of the mounting rod are both provided with matching threads.

[0010] Further, the side of the moving ring close to the mounting rod is provided with a spring, one end of the spring is connected with the moving ring, and the other end of the spring is connected with the mounting rod.

[0011] Further, the size of the circular groove is matched with the steel ball.

[0012] Further, the thickness of the moving ring is smaller than the diameter of the steel ball.

[0013] The utility model has the advantages of the following beneficial effects:

[0014] 1. In the utility model, the position of the mounting rod on the connecting rod can be adjusted by simply operating the pressing piece to drive the moving ring to compress the spring, so that the overall length of the dumbbell rod can be changed, the personalized needs of different users for the length of the dumbbell rod are met, the precise limiting function is realized by the cooperation of the steel ball and the circular groove, the adjusted length is stable and reliable, and the use flexibility is greatly improved.

[0015] 2. In the utility model, after the dumbbell piece is sleeved on the mounting rod, the dumbbell piece can be effectively limited by screwing the limiting knob, so that the dumbbell piece is prevented from shaking in the use process, the safety and stability during exercise are ensured, the whole installation operation is simple and easy to understand, and the user can quickly complete the assembly and disassembly of the dumbbell piece, thereby providing convenience for diversified strength training. DRAWINGS

[0016] Figure 1 A perspective view of a safety dumbbell rod with an anti-loose structure is provided for the utility model;

[0017] Figure 2 A structure schematic view of a dumbbell piece of a safety dumbbell rod with an anti-loose structure is provided for the utility model;

[0018] Figure 3 A structure schematic view of a mounting rod of a safety dumbbell rod with an anti-loose structure is provided for the utility model;

[0019] Figure 4 A structure schematic view of a spring of a safety dumbbell rod with an anti-loose structure is provided for the utility model.

[0020] LEGEND:

[0021] 1. Connecting rod; 2. Circular groove; 3. Dumbbell piece; 4. Limiting knob; 5. Mounting rod; 6. Pressing piece; 7. Lugs; 8. Steel ball; 9. Moving ring; 10. Spring. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0023] With reference to Figures 1-3 The utility model provides an embodiment: a safe dumbbell rod with anti loosening structure, including connecting rod 1, both ends of connecting rod 1 are all set with mounting pole 5, mounting pole 5 can be used to install dumbbell piece 3, the outer wall of mounting pole 5 is provided with a plurality of dumbbell piece 3, the inner wall of mounting pole 5 close to one end of connecting rod 1 is seted with a plurality of steel ball groove, the steel ball groove is provided with steel ball 8, by making steel ball 8 slide into round groove 2, then limiting steel ball 8, it can realize the limiting of mounting pole 5, the outer wall of mounting pole 5 close to one end of connecting rod 1 is fixedly connected with a plurality of lug 7, by being provided with a plurality of lug 7 can avoid dumbbell piece 3 to slide out of mounting pole 5, and then realize the limiting of dumbbell piece 3, the one end of mounting pole 5 close to connecting rod 1 is seted with moving groove, moving ring 9 is seted in moving groove, by making moving ring 9 can push steel ball 8 into round groove 2, and limiting moving ring 9 by spring 10, can avoid steel ball 8 from leaving round groove 2, the outer wall of moving ring 9 is rotatably connected with the paddle 6 of pulling, by pulling the paddle 6 can take moving ring 9 displacement.

[0024] With reference to Figures 2-4 Wherein, the outer wall of connecting rod 1 is seted with a plurality of round grooves 2. The end of mounting pole 5 away from connecting rod 1 is provided with a limiting knob 4, by screwing limiting knob 4 to mounting pole 5, so that the dumbbell piece 3 can be limited. The inner wall of limiting knob 4 and the outer wall of mounting pole 5 are all seted with matching threads. The side of moving ring 9 close to mounting pole 5 is provided with spring 10, one end of spring 10 is connected with moving ring 9, the other end of spring 10 is connected with mounting pole 5, by spring 10 can make moving ring 9 reset, and then moving ring 9 can normally limit steel ball 8. The size of round groove 2 is matched with steel ball 8. The thickness of moving ring 9 is less than the diameter of steel ball 8, so that the steel ball 8 can be avoided from separating from the steel ball groove.

[0025] Working principle: first, the dial 6 is turned out and pull dial 6, to drive the moving ring 9 compression spring 10, then adjust the installation rod 5 on the connecting rod 1 position, and then the length of the dumbbell rod overall adjustment, for users to provide different length of dumbbell rod, when the steel ball 8 moves out of the round groove 2 on the outer wall of connecting rod 1, connecting rod 1 will be pushed outwards steel ball 8, so as to realize the installation rod 5 can move, then release the dial 6, so that the spring 10 push dial 6, and then make the dial 6 will be pushed into the steel ball 8 in the round groove 2 on the outer wall of connecting rod 1, so as to limit the installation rod 5, then the dumbbell piece 3 is set on the installation rod 5, and then the limiting knob 4 is screwed on the installation rod 5, to limit the dumbbell piece 3, avoid the dumbbell piece 3 in the process of using the shake.

[0026] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the foregoing detailed description of the present application is made with reference to the foregoing embodiments, for those skilled in the art, it still can be modified, or part of the technical features of the equivalent replacement, within the spirit and principles of the present application, any modification, equivalent replacement, improvement, etc., should be included in the scope of protection of the present application.

Claims

1. A safety dumbbell bar having an anti-loosening structure, characterized by, The utility model provides a dumbbell, including connecting rod (1), both ends of connecting rod (1) are all equipped with mounting rod (5), the outer wall of mounting rod (5) is provided with a plurality of dumbbell piece (3), the inner wall of mounting rod (5) is close to the one end of connecting rod (1) and is opened a plurality of steel ball groove, the steel ball groove is provided with steel ball (8), the outer wall of mounting rod (5) is close to the one end of connecting rod (1) and is fixedly connected with a plurality of lug (7), the one end of mounting rod (5) is close to the one end of connecting rod (1) and is opened mobile groove, the mobile groove is provided with mobile ring (9), the outer wall of mobile ring (9) is rotatably connected with the tab (6).

2. The safety dumbbell bar with anti-loosening structure according to claim 1, characterized in that: The outer wall of the connecting rod (1) is provided with a plurality of circular grooves (2).

3. The safety dumbbell bar with anti-loosening structure according to claim 1, characterized in that: The end of the mounting rod (5) away from the connecting rod (1) is provided with a limiting knob (4).

4. The safety dumbbell bar with anti-loosening structure according to claim 3, characterized in that: The inner wall of the limiting knob (4) and the outer wall of the mounting rod (5) are both provided with matching threads.

5. The safety dumbbell bar with anti-loosening structure according to claim 1, characterized in that: The side of the mobile ring (9) close to the mounting rod (5) is provided with a spring (10), one end of the spring (10) is connected with the mobile ring (9), the other end of the spring (10) is connected with the mounting rod (5).

6. The safety dumbbell bar with anti-loosening structure according to claim 2, characterized in that: The size of the circular groove (2) is matched with the steel ball (8).

7. The safety dumbbell bar with anti-loosening structure according to claim 1, characterized in that: The thickness of the mobile ring (9) is less than the diameter of the steel ball (8).

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