Adjusting type Auto rod capable of conveniently adjusting balance weight

Abstract

The utility model relates to the technical field of exercise training equipment, in particular to an adjustable Aushu rod convenient for adjusting a counter weight, which can adjust the counter weight more conveniently and improve the use convenience. Comprising a rod body, a positioning ring is fixedly arranged in the middle of the rod body, threaded guide grooves are formed in the outer wall of the rod body, the rotating directions of the threaded guide grooves in the left side and the right side of the positioning ring are opposite, two sets of grips are symmetrically arranged on the rod body through matching of the threaded guide grooves, and the two sets of grips are distributed on the two sides of the positioning ring; baffle rings are fixedly arranged on the inner sides of the two gun barrels, sliding holes are formed between the guide grooves and the bosses in a penetrating mode, T-shaped positioning pins are arranged on the bosses in a sliding mode through cooperation of the sliding holes, the T-shaped positioning pins are sleeved with springs, and the two ends of the springs are fixedly connected with the T-shaped positioning pins and the bosses correspondingly; and the bottom ends of the T-shaped positioning pins are respectively inserted into the positioning holes under the action of the springs.

Description

Technical Field

[0001] The utility model relates to the technical field of sports training equipment, in particular to an adjustable Olympic bar which is convenient for adjusting counterweights. Background Art

[0002] The Olympic bar is a kind of sports training equipment for fitness. The main features of the existing Olympic bar are the bar body, the force grabbing part set on the bar body and the counterweight barrels at the left and right ends. The disadvantage of the current Olympic bar is that the force grabbing part of the Olympic bar is fixed.

[0003] It cannot be flexibly adjusted according to the user's arm length and the force application site. During bench press, this structure can only enable the trainee to apply force at a fixed point, and the training site is single.

[0004] In order to solve this drawback, an Olympic bar has appeared on the market, in which the force-applying gripping part can move as the user bends and straightens his arm. However, this Olympic bar still has certain drawbacks when used. The weights on the barrels on both sides are mostly adjusted by installing barbell plates, which are not easy to install and fix. As a result, this weight adjustment method is inconvenient when adjusting the weight and is less convenient to use. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides an adjustable Olympic rod that is easy to adjust the counterweight and can be more convenient when adjusting the counterweight, thereby improving the convenience of use.

[0006] Technical Solution

[0007] In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions: an adjustable rod for facilitating the adjustment of the counterweight, comprising a rod body and a counterweight mechanism, a positioning ring being fixedly provided in the middle of the rod body, a threaded guide groove being provided on the outer wall of the rod body, and the threaded guide grooves on the left and right sides of the positioning ring having opposite rotation directions, two sets of grips being symmetrically provided on the rod body through the cooperation of the threaded guide grooves, the two sets of grips being distributed on both sides of the positioning ring, barrels being rotatably provided at both ends of the rod body, retaining rings being fixedly provided on the inner sides of the two sets of barrels, counterweight mechanisms being provided on the two sets of barrels, the counterweight mechanism comprising a strip guide rail fixedly provided on the barrel and a plurality of counterweights The ring, the strip guide rail and the barrel are an integrated structure, and multiple groups of positioning holes are equidistantly provided on the top of the strip guide rail, and guide grooves are provided on the upper side of the inner walls of multiple groups of counterweight rings. Multiple groups of counterweight rings are slidably mounted on the barrel through the cooperation of the guide grooves and the strip guide rails. The tops of multiple groups of counterweight rings are fixed with bosses in an integrated manner, and sliding holes are provided between each group of guide grooves and bosses. T-shaped locating pins are slidably provided on multiple groups of bosses through the cooperation of the sliding holes. Springs are provided on multiple groups of T-shaped locating pins, and both ends of the springs are fixedly connected to the T-shaped locating pins and the bosses respectively. The bottom ends of multiple groups of T-shaped locating pins are respectively inserted into the multiple groups of positioning holes under the action of the springs.

[0008] Preferably, two groups of limit blocks are symmetrically fixed on the lower outer walls of multiple groups of T-shaped locating pins, the two groups of limit blocks and the T-shaped locating pins are an integrated structure, two groups of limit grooves are symmetrically provided on the inner walls of multiple groups of sliding holes, and multiple groups of T-shaped locating pins are slidably installed on the multiple groups of sliding holes through the cooperation of the limit blocks and the limit grooves, and two groups of storage grooves are symmetrically provided on the multiple groups of positioning holes.

[0009] Preferably, anti-slip grooves are provided on the upper outer walls of the multiple groups of T-shaped positioning pins.

[0010] Preferably, both side edges of the plurality of groups of counterweight rings are provided with rounded corners.

[0011] Preferably, the outer ends of the two groups of barrels and strip guide rails are provided with transition arcs.

[0012] The T-shaped locating pin is then pulled up so that the T-shaped locating pin is inserted into the positioning hole under the action of the spring, so that the counterweight ring is fixed. This counterweight adjustment method is convenient for assembly and disassembly, so that it is more convenient to adjust the counterweight and improve the convenience of use. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is an axonometric structural diagram of the present utility model;

[0014] Figure 2 This is a schematic diagram of the axonometric structure of the utility model after the counterweight ring is removed;

[0015] Figure 3 This is a partial axonometric structural diagram of the counterweight mechanism in the utility model;

[0016] Figure 4 This utility model Figure 3 Axonometric cross-sectional structural diagram;

[0017] Figure 5 This is a schematic diagram of the axonometric structure of the counterweight ring in the utility model;

[0018] Figure 6 This utility model Figure 5 Bottom axonometric structural diagram;

[0019] Figure 7 This is a schematic diagram of the axonometric structure of the T-shaped positioning pin in the utility model;

[0020] Figure 8 This is a schematic diagram of the axonometric structure of the gun barrel in the utility model;

[0021] Markings in the accompanying drawings: 1. Rod body; 2. Positioning ring; 3. Threaded guide groove; 4. Barrel; 5. Retaining ring; 6. Grip; 7. Bar guide rail; 8. Positioning hole; 9. Counterweight ring; 10. Guide groove; 11. Boss; 12. Sliding hole; 13. T-shaped positioning pin; 14. Spring; 15. Limit block; 16. Limit groove; 17. Storage groove; 18. Anti-slip pattern; 19. Chamfered corner; 20. Transition arc. DETAILED DESCRIPTION

[0022] The following embodiments are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0023] Example

[0024] See also Figures 1-8The utility model is an adjustable rod for adjusting the counterweight, comprising a rod body 1, a positioning ring 2 fixedly provided in the middle of the rod body 1, a threaded guide groove 3 provided on the outer wall of the rod body 1, and the threaded guide grooves 3 on the left and right sides of the positioning ring 2 rotate in opposite directions, and two groups of grips 6 are symmetrically provided on the rod body 1 through the cooperation of the threaded guide grooves 3, and the two groups of grips 6 are distributed on both sides of the positioning ring 2. Barrels 4 are rotatably provided at both ends of the rod body 1, and retaining rings 5 are fixedly provided on the inner sides of the two groups of barrels 4. Counterweight mechanisms are provided on the two groups of barrels 4, and the counterweight mechanisms include a bar fixedly provided on the barrel 4. The strip guide rail 7 and multiple groups of counterweight rings 9, the strip guide rail 7 and the barrel 4 are an integrated structure, the top of the strip guide rail 7 is equidistantly provided with multiple groups of positioning holes 8, the upper side of the inner wall of the multiple groups of counterweight rings 9 are provided with guide grooves 10, and the multiple groups of counterweight rings 9 are slidably mounted on the barrel 4 through the cooperation of the guide grooves 10 and the strip guide rails 7. The tops of the multiple groups of counterweight rings 9 are all fixed with bosses 11 in an integrated manner, and each group of guide grooves 10 and bosses 11 are provided with sliding holes 12. T-shaped positioning pins 13 are slidably provided on the multiple groups of bosses 11 through the cooperation of the sliding holes 12, and multiple groups of T-shaped positioning pins 13 are sleeved with Spring 14, both ends of the spring 14 are fixedly connected to the T-shaped locating pin 13 and the boss 11, and the bottom ends of the multiple groups of T-shaped locating pins 13 are respectively inserted into the multiple groups of positioning holes 8 under the action of the spring 14; when in use, the multiple groups of counterweight rings 9 are stacked and sleeved on the barrel 4, and the counterweight ring 9 is positioned under the cooperation of the positioning holes 8 and the T-shaped locating pins 13, so that the counterweight ring 9 will not separate from the barrel 4, and the counterweight on both sides of the rod body 1 can be adjusted by increasing or decreasing the number of counterweight rings 9 on the barrel 4. When adjusting, the T-shaped locating pin 13 is pulled upward to make the T-shaped locating pin 13 aligned with the fixed hole 8. After the positioning hole 8 is disengaged, the counterweight ring 9 can be slid outward along the barrel 4 and the counterweight ring 9 can be removed from the barrel 4. When the counterweight ring 9 needs to be installed, pull up the T-shaped positioning pin 13 and then put the counterweight ring 9 on the barrel 4. The innermost counterweight ring 9 rests on the retaining ring 5 to ensure that the sliding hole 12 is aligned with the positioning hole 8. Then release the T-shaped positioning pin 13 and insert the T-shaped positioning pin 13 into the positioning hole 8 under the action of the spring 14 to fix the counterweight ring 9. This counterweight adjustment method is easy to assemble and disassemble, so that it can be more convenient to adjust the counterweight and improve the convenience of use.

[0025] The two sets of limit blocks 15 are symmetrically fixed on the outer wall of the lower side of the multiple groups of T-shaped positioning pins 13. The two sets of limit blocks 15 and the T-shaped positioning pins 13 are an integrated structure. The two sets of limit grooves 16 are symmetrically provided on the inner walls of the multiple groups of sliding holes 12. The multiple groups of T-shaped positioning pins 13 are slidably installed on the multiple groups of sliding holes 12 through the cooperation of the limit blocks 15 and the limit grooves 16. The multiple groups of positioning holes 8 are symmetrically provided with two sets of receiving grooves 17. When the counterweight ring 9 is removed, when the T-shaped positioning pin 13 is pulled upward, the T-shaped positioning pin 13 drives the limit block 15 to slide upward along the limit groove 16. The cooperation between the limit block 15 and the limit groove 16 limits the sliding of the T-shaped positioning pin 13 to prevent the T-shaped positioning pin 13 from disengaging from the sliding hole 12 when it is pulled upward, further improving the convenience of use. After the T-shaped positioning pin 13 is put down, it is inserted into the positioning hole 8, and the limit block 15 is inserted into the receiving groove 17.

[0026] Anti-slip grooves 18 are provided on the upper outer walls of the plurality of groups of T-shaped positioning pins 13 . The anti-slip grooves 18 can prevent the hand from slipping when the T-shaped positioning pins 13 are pulled upward.

[0027] Both side edges of the plurality of groups of counterweight rings 9 are provided with chamfered corners 19 ; by providing the chamfered corners 19 , the both side edges of the counterweight rings 9 can be made smoother, thus preventing scratches during assembly and disassembly.

[0028] The outer ends of the two groups of barrels 4 and strip guide rails 7 are both provided with transition arcs 20; by providing the transition arcs 20, the outer ends of the barrel 4 and strip guide rails 7 can be made smoother, making it easier to fit the counterweight ring 9 onto the barrel 4.

[0029] The utility model is an adjustable rod for adjusting the counterweight. Its working principle is that when in use, multiple groups of counterweight rings 9 are stacked and sleeved on the barrel 4, and the counterweight rings 9 are positioned under the cooperation of the positioning holes 8 and the T-shaped positioning pins 13, so that the counterweight rings 9 will not be separated from the barrel 4. The counterweights on both sides of the rod body 1 can be adjusted by increasing or decreasing the number of counterweight rings 9 on the barrel 4. When adjusting, the T-shaped positioning pins 13 are pulled upwards to align the T-shaped positioning pins 13 with the positioning holes 8. Disengagement, and then the counterweight ring 9 can be slid outward along the barrel 4 to remove the counterweight ring 9 from the barrel 4. When the counterweight ring 9 needs to be installed, pull up the T-shaped positioning pin 13, and then put the counterweight ring 9 on the barrel 4. The innermost counterweight ring 9 rests on the retaining ring 5 to ensure that the sliding hole 12 is aligned with the positioning hole 8, and then loosen the T-shaped positioning pin 13, so that the T-shaped positioning pin 13 is inserted into the positioning hole 8 under the action of the spring 14, so that the counterweight ring 9 is fixed, and the counterweight can be adjusted.

[0030] The utility model provides an adjustable Olympic rod that is convenient for adjusting the counterweight. Its installation method, connection method or setting method are all common mechanical methods, and any method that can achieve its beneficial effects can be implemented.

[0031] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principles of the present invention. These improvements and modifications should also be regarded as the scope of protection of the present invention.

Claims

1. An adjustable Olympic rod for facilitating weight adjustment, comprising a rod body (1), characterized in that: Also includes a counterweight mechanism; A rod body (1), wherein a positioning ring (2) is fixedly provided in the middle of the rod body (1), a threaded guide groove (3) is provided on the outer wall of the rod body (1), and the threaded guide grooves (3) on the left and right sides of the positioning ring (2) rotate in opposite directions, two groups of grips (6) are symmetrically provided on the rod body (1) through the cooperation of the threaded guide grooves (3), and the two groups of grips (6) are distributed on both sides of the positioning ring (2), and barrels (4) are rotatably provided on the left and right ends of the rod body (1), and retaining rings (5) are fixedly provided on the inner sides of the two groups of barrels (4), and counterweight mechanisms are provided on the two groups of barrels (4); The counterweight mechanism comprises a strip guide rail (7) fixedly arranged on a gun barrel (4) and a plurality of counterweight rings (9); the strip guide rail (7) and the gun barrel (4) are an integrated structure; the top of the strip guide rail (7) is provided with a plurality of positioning holes (8) at equal intervals; the upper sides of the inner walls of the plurality of counterweight rings (9) are provided with guide grooves (10); the plurality of counterweight rings (9) are slidably mounted on the gun barrel (4) through the cooperation of the guide grooves (10) and the strip guide rail (7); the tops of the plurality of counterweight rings (9) are all fixed in an integrated manner. A boss (11) is provided, and a sliding hole (12) is provided between each group of guide grooves (10) and the boss (11). T-shaped positioning pins (13) are slidably provided on the multiple groups of bosses (11) through the cooperation of the sliding holes (12). Springs (14) are sleeved on the multiple groups of T-shaped positioning pins (13). The two ends of the spring (14) are respectively fixedly connected to the T-shaped positioning pins (13) and the boss (11). The bottom ends of the multiple groups of T-shaped positioning pins (13) are respectively inserted into the multiple groups of positioning holes (8) under the action of the spring (14).

2. The adjustable weight-adjustable Olympic rod according to claim 1, characterized in that: Two groups of limiting blocks (15) are symmetrically fixed on the outer wall of the lower side of the multiple groups of T-shaped positioning pins (13), and the two groups of limiting blocks (15) and the T-shaped positioning pins (13) are an integrated structure. Two groups of limiting grooves (16) are symmetrically provided on the inner walls of the multiple groups of sliding holes (12). The multiple groups of T-shaped positioning pins (13) are slidably installed on the multiple groups of sliding holes (12) through the cooperation of the limiting blocks (15) and the limiting grooves (16). Two groups of receiving grooves (17) are symmetrically provided on the multiple groups of positioning holes (8).

3. The adjustable Olympic rod for facilitating weight adjustment according to claim 2, characterized in that: Anti-slip grooves (18) are provided on the upper outer walls of the plurality of groups of T-shaped positioning pins (13).

4. The adjustable Olympic rod for facilitating weight adjustment according to claim 3, characterized in that: Both side edges of the plurality of groups of counterweight rings (9) are provided with rounded corners (19).

5. The adjustable Olympic rod for facilitating weight adjustment according to claim 4, characterized in that: The outer ends of the two groups of barrels (4) and the strip guide rails (7) are both provided with transition arcs (20).

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