Body-building rod

Abstract

The utility model belongs to the technical field of fitness equipment, and particularly relates to a fitness rod which comprises a main spring, fixed grips are fixedly arranged at the two ends of the main spring respectively, movable grips are rotationally arranged on the fixed grips through hinge shafts, the movable grips are arranged on one sides of the fixed grips, and adjusting pieces and connecting bases are movably arranged on the movable grips. A tension spring is arranged between the connecting seat and the fixed handle; the adjusting piece can adjust the distance between the connecting base and the hinged shaft so as to adjust the force arm of resistance of the tension spring to the movable grip in the rotating process of the movable grip, a first grabbing part is arranged on the fixed grip, the movable grip comprises a second grabbing part and a protruding part for installing the adjusting piece, and the first grabbing part is arranged on the fixed grip. The movable grip comprises a mounting part and a second gripping part; the adjusting piece is installed on the installation part, the tension spring and the second grabbing part are arranged on the two sides of the installation part respectively, and the fitness rod is simple in structure and convenient to use by a user.

Description

Technical Field

[0001] The utility model belongs to the technical field of fitness equipment, in particular to a fitness stick. Background Art

[0002] A fitness bar, also known as an arm strengthener, is a piece of fitness equipment comprising a main spring with handles at both ends. The handles can be used to control the bending of the main spring during use, thereby allowing exercise.

[0003] In order to increase the functions of fitness bars, some fitness bars are provided with a gripper structure on the handles, such as the multifunctional arm strengthener disclosed in Chinese utility model patent CN 201320107171.5, which includes a middle section spring, handles on both sides and a protective rope loop. Its characteristics are: a spiral angle spring is connected to the top of the handles on both sides, and the other end of the spiral angle spring is connected to a gripper handle. The utility model can be used as an arm strengthener to exercise arm strength, and can also be used as a gripper consisting of a handle at one end, a spring and a handle to exercise grip strength, thus serving two purposes.

[0004] Although the fitness bar in the above structure can be used for two purposes, the handle and the gripper handle are connected only by a spiral angle spring. When in use, the damping of the middle section spring and the gripper structure is constant, so that the arm strength training and grip strength training of the fitness bar may not be suitable for the same user, which is inconvenient for the user to perform fitness training. Summary of the Invention

[0005] In order to overcome the defects in the prior art, the purpose of the present invention is to provide a fitness bar with a simple structure and convenient for users to use.

[0006] The purpose of this utility model is achieved in this way:

[0007] A fitness bar includes a main spring, with fixed handles fixedly provided at both ends of the main spring, a movable handle rotatably provided on the fixed handle via a hinge shaft, the movable handle being provided on one side of the fixed handle, and an adjustment member and a connecting seat movably provided on the movable handle, a tension spring being provided between the connecting seat and the fixed handle; the adjustment member can adjust the distance between the connecting seat and the hinge shaft, thereby adjusting the force arm of the tension spring's resistance to the movable handle during the movable handle's rotation;

[0008] The fixed handle is provided with a first gripping portion, and the movable handle includes a mounting portion and a second gripping portion, which controls the relative movement of the first gripping portion and the second gripping portion to perform grip strength training; the adjusting member is installed on the mounting portion, and the tension spring and the second gripping portion are respectively provided on both sides of the mounting portion.

[0009] The utility model is further configured as follows: the adjusting member includes a control end and a threaded rod rotatably arranged on the movable handle, the connecting seat is slidably arranged on the movable handle, and the connecting seat is provided with a threaded hole adapted to the threaded rod; the adjusting member is rotated, and the threaded rod drives the connecting seat to slide on the movable handle through the threaded hole, thereby adjusting the distance between the connecting seat and the hinge shaft.

[0010] The utility model is further configured as follows: a hinge portion is provided on the adjusting member, a hinge hole adapted to the hinge portion is provided on the movable handle, and an annular groove is provided on the side wall of the hinge portion, and a fixing pin is provided on the movable handle, the fixing pin penetrates into the hinge hole and enters the annular groove and prevents the hinge portion from detaching from the hinge hole.

[0011] The utility model is further configured as follows: a mounting portion is provided on the movable handle, a slide groove is provided in the mounting portion, a connecting seat is slidably arranged in the slide groove, a guide groove extending to the end of the slide groove is provided on the side wall of the slide groove, a guide portion adapted to the guide groove is provided on the connecting seat, a tension spring is connected to the guide portion, and a reinforcement ring is provided on the mounting portion, which can prevent the guide groove from being deformed and can prevent the guide portion from detaching from the guide groove.

[0012] The utility model is further configured as follows: the control end is detachably connected to the threaded rod, a positioning groove and a through hole are provided on the control end, a positioning part is provided on the control rod, the control rod is detachably connected to the movable handle, the positioning part cooperates with the positioning groove and drives the control end to press against the reinforcement ring.

[0013] The utility model is further configured as follows: an end cover is detachably provided on the control end, and the end cover is arranged at the end of the positioning groove so that the positioning groove and the positioning part are hidden and the positioning part is prevented from being separated from the positioning groove.

[0014] The utility model is further configured as follows: fixing rods are respectively provided at both ends of the main spring, a plug-in hole is provided on the fixed handle, a positioning protrusion is provided in the plug-in hole, the fixing rod is inserted into the plug-in hole, and a mounting hole and a positioning groove adapted to the positioning protrusion are provided on the fixed rod, the fastener passes through the fixed handle and cooperates with the mounting hole, so that the fixed handle and the fixed rod are relatively fixed.

[0015] The utility model is further configured as follows: the plug-in hole includes an extension portion and a connecting portion tightly matched with the fixing rod, the fixing rod passes through the extension portion and matches with the connecting portion, and a plurality of protrusions are provided on the side wall of the extension portion, and the protrusions respectively abut against the outer periphery of the fixing rod.

[0016] The utility model is further configured as follows: the fixing rod is inserted into the main spring and fixed relative to the main spring, and a receiving groove is provided at the end of the plug hole, and one end of the main spring is inserted into the receiving groove.

[0017] The utility model is further configured as follows: a connecting protrusion is provided at one end of the fixed handle away from the main spring, the cross section of the connecting protrusion is T-shaped, and a threading hole is provided on the connecting protrusion.

[0018] Compared with the prior art, the utility model has the following advantages:

[0019] The adjusting member in the utility model can adjust the distance between the connecting seat and the hinge shaft, thereby adjusting the force arm of the tension spring on the resistance of the movable grip during the rotation of the movable grip, and then the intensity of the grip training can be adjusted, which is convenient for users to perform arm strength training and grip training through the same fitness bar, and is convenient for different users to perform grip training. The structure is simple and convenient for users to use. Since the tension spring and the second gripping part are respectively arranged on both sides of the mounting part, this structure can prevent the adjusting member or the tension spring from being accidentally touched during the grip training, thereby causing the tension spring to rub against the user's hand, or causing the tension spring to cause injury to the user, and it is convenient for users to use the fitness bar.

[0020] In the utility model, the threaded rod and the threaded hole structure drive the connecting seat to slide on the movable grip, thereby adjusting the relative distance between the connecting seat and the hinge shaft, and then adjusting the intensity of the grip training. The structure is simple and convenient for the user to control and adjust. The adjustment of the threaded rod and the threaded hole is stepless, which is conducive to the user to flexibly adjust the intensity of the grip training and is convenient for different users to perform grip training. The structure of the fixing pin and the annular groove is simple, which facilitates the stable connection between the adjusting part and the movable grip and facilitates the assembly and production of the fitness bar.

[0021] The arrangement of the guide groove and the guide part in the utility model facilitates the stable sliding of the connecting seat, avoids the relative rotation of the connecting seat and the movable handle during use, and since the guide groove extends to the end of the slide groove, it is convenient for the user to install the connecting seat in the slide groove, and the arrangement of the reinforcement ring can prevent the slide groove and the guide groove from being deformed and damaged due to excessive force, which is beneficial to the stable sliding of the connecting seat; the detachable control end and the threaded rod facilitate the flexible assembly and production of the control parts, and facilitate the manufacturer to flexibly replace threaded rods of different specifications according to needs, and since the control end is tightly pressed against the reinforcement ring, it is beneficial to reduce the friction between the control end and the movable handle during use; the arrangement of the end cover is beneficial to the stable connection of the control end and the threaded rod, and avoids loose connection between the control end and the threaded rod.

[0022] The arrangement of the positioning protrusion and the positioning groove in the utility model facilitates the installation of the fixed rod and the fixed handle, facilitates the connection and cooperation of the fastener and the installation hole, and facilitates the assembly of the fitness bar; the arrangement of the extension part can reduce the friction between the fixed rod and the plug-in hole during the installation process, facilitates the rapid connection and cooperation of the fixed rod and the plug-in hole, and facilitates the assembly and production of the fitness bar; in this structure, the main spring is arranged between the fixed rod and the side wall of the storage groove, which is conducive to the stable connection between the main spring and the fixed rod, and avoids the main spring and the fixed rod from being disconnected.

[0023] The T-shaped connecting protrusions and the threading holes in the utility model are convenient for users to install connecting ropes at both ends of the fitness bar, making it convenient for users to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a structural diagram of the utility model;

[0025] Figure 2 It is an explosion diagram of the utility model;

[0026] Figure 3 It is a partial cross-sectional view of the utility model;

[0027] Figure 4 It is a partial structural diagram of the main spring in the utility model;

[0028] Figure 5 It is a half-section view of the fixed handle in the utility model;

[0029] Figure 6 This is a cross-sectional view of the mounting structure of the control member and the connecting seat on the movable handle in the utility model;

[0030] Figure 7 It is a cross-sectional view of the movable handle of the utility model;

[0031] Figure 8 It is a structural diagram of the threaded rod in the utility model;

[0032] Figure 9 It is a cross-sectional view of the control end of the utility model;

[0033] Figure 10 This is a structural diagram of the connecting seat in the utility model;

[0034] Figure 11 It is a structural schematic diagram of the reinforcement ring in the utility model.

[0035] The meaning of the numbers in the figure: 1-main spring; 11-fixing rod; 12-positioning groove; 13-mounting hole; 2-fixed grip;

[0036] 21-plug hole; 22-storage slot; 23-fastener; 24-hinge seat; 25-mounting seat; 26-hinge shaft;

[0037] 27-connecting rod; 28-connecting protrusion; 29-threading hole; 211-connecting portion; 212-extension portion;

[0038] 213 - positioning protrusion; 214 - countersunk hole; 3 - movable grip; 31 - slide groove; 32 - hinge hole; 33 - fixing pin;

[0039] 34- convex edge; 35- mounting portion; 311- guide groove; 4- tension spring; 5- adjusting member; 51- threaded rod;

[0040] 52-control end; 53-end cover; 511-positioning portion; 512-rod body; 513-hinge portion; 514-annular groove;

[0041] 521 - positioning slot; 522 - through hole; 523 - placement slot; 524 - abutting wall; 525 - hinged protrusion; 6 - connecting seat;

[0042] 61-guide portion; 62-hook hole; 63-threaded hole; 7-reinforcement ring; 71-positioning block. DETAILED DESCRIPTION

[0043] The present invention will be further described below with reference to specific embodiments in conjunction with the accompanying drawings:

[0044] See also Figures 1 to 11 As shown, a fitness bar includes a main spring 1, and fixed handles 2 are respectively fixedly provided at both ends of the main spring 1. A movable handle 3 is rotatably provided on the fixed handle 2 through a hinge shaft 26. The movable handle 3 is arranged on one side of the fixed handle 2, and an adjusting member 5 and a connecting seat 6 are movably provided on the movable handle 3. A tension spring 4 is provided between the connecting seat 6 and the fixed handle 2; the adjusting member 5 can adjust the distance between the connecting seat 6 and the hinge shaft 26, thereby adjusting the force arm of the tension spring 4 to the resistance of the movable handle 3 during the rotation of the movable handle 3. In this structure, the adjusting member 5 can adjust the distance between the connecting seat 6 and the hinge shaft 26, thereby adjusting the force arm of the tension spring 4 to the resistance of the movable handle 3 during the rotation of the movable handle 3, and then the intensity of the grip training can be adjusted, so that users can perform arm strength training and grip training through the same fitness bar, and different users can perform grip training. The structure is simple and convenient for users to use.

[0045] The fixed handle 2 is provided with a first gripping portion 215, and the movable handle 3 includes a mounting portion 35 and a second gripping portion 36. The relative movement of the first gripping portion 215 and the second gripping portion 36 is controlled to perform grip training. The adjusting member 5 is installed on the mounting portion 35, and the tension spring 4 and the second gripping portion 36 are respectively provided on both sides of the mounting portion 35. This structure can prevent the adjusting member 5 or the tension spring 4 from being accidentally touched during grip training, thereby causing the tension spring 4 to rub against the user's hand, or causing the tension spring 4 to cause injury to the user, making it convenient for users to use the fitness bar.

[0046] In this embodiment, the fixed handle 2 is provided with a hinge seat 24 and a mounting seat 25, and a connecting rod 27 is provided on the mounting seat 25. The movable handle 324 is rotatably set on the hinge seat 24 through a hinge shaft 26, and one end of the tension spring 4 is connected to the connecting rod 27 on the mounting seat 25, and a hook hole 62 is provided on the connecting seat 6, and the other end of the tension spring 4 is connected to the hook hole 62.

[0047] In the present invention, the adjusting member 5 or the connecting seat 6 can have multiple fixed positions with the movable handle 3. By adjusting the adjusting member 5 or the connecting seat to different fixed positions, the distance between the connecting seat 6 and the hinge shaft 26 can be adjusted. The adjusting member 5 can also be a fastener, and the connecting seat 6 is pressed against the movable handle 3 by the fastener, so as to control the connecting seat 6 to be fixed at different positions on the movable handle 3. The adjusting member 5 can also drive the adjustment connecting seat 6 to be fixed at different positions on the movable handle 3 through a gear rack structure.

[0048] The adjusting member 5 described in this embodiment includes a control end 52 and a threaded rod 51 rotatably set on the movable handle 3, and the connecting seat 6 is slidably set on the movable handle 3, and a threaded hole 63 adapted to the threaded rod 51 is provided on the connecting seat 6; the adjusting member 5 is rotated, and the threaded rod 51 drives the connecting seat 6 to slide on the movable handle 3 through the threaded hole 63, thereby adjusting the distance between the connecting seat 6 and the hinge shaft 26. The connecting seat 6 is driven to slide on the movable handle 3 through the structure of the threaded rod 51 and the threaded hole 63, thereby adjusting the relative distance between the connecting seat 6 and the hinge shaft 26, and then adjusting the intensity of the grip training. The structure is simple, and the user does not need to change the installation position of the adjusting member 5, which is convenient for the user to control and adjust, and the adjustment of the threaded rod 51 and the threaded hole 63 is stepless, which is beneficial for the user to flexibly adjust the intensity of the grip training and facilitates different users to perform grip training.

[0049] In this embodiment, the adjusting member 5 is provided with a hinge portion 513, the movable handle 3 is provided with a hinge hole 32 adapted to the hinge portion 513, and an annular groove 514 is provided on the side wall of the hinge portion 513, and a fixing pin 33 is provided on the movable handle 3. The fixing pin 33 passes through the hinge hole 32 and enters the annular groove 514 to prevent the hinge portion 513 from being separated from the hinge hole 32. The structure of the fixing pin 33 and the annular groove 514 is simple, which facilitates the stable connection between the adjusting member 5 and the movable handle 3 and facilitates the assembly and production of the fitness bar.

[0050] The movable handle 3 is provided with a mounting portion 35, and a sliding groove 31 is provided in the mounting portion 35. The connecting seat 6 is slidably arranged in the sliding groove 31. A guide groove 311 extending to the end of the sliding groove 31 is provided on the side wall of the sliding groove 31. A guide portion 61 adapted to the guide groove 311 is provided on the connecting seat 6, and the tension spring 4 is connected to the guide portion 61. A reinforcing ring 7 is sleeved on the mounting portion 35. The reinforcing ring 7 can prevent the guide groove 311 from being deformed and can prevent the guide portion 61 from detaching from the guide groove 311. The setting of the guide groove 311 and the guide portion 61 facilitates the stable sliding of the connecting seat 6 and prevents the connecting seat 6 and the movable handle 3 from rotating relative to each other during use. Since the guide groove 311 extends to the end of the sliding groove 31, it is convenient for the user to install the connecting seat 6 in the sliding groove 31. The setting of the reinforcing ring 7 can prevent the sliding groove 31 and the guide groove 311 from being subjected to excessive force and being deformed and damaged, which is conducive to the stable sliding of the connecting seat 6.

[0051] The control end 52 described in the present invention is detachably connected to the threaded rod 51, and a positioning groove 521 and a through hole 522 are provided on the control end 52. A positioning portion 511 is provided on the control rod, and the control rod is detachably connected to the movable handle 3. The positioning portion 511 cooperates with the positioning groove 521 and drives the control end 52 to press against the reinforcement ring 7. The detachably connected control end 52 and threaded rod 51 facilitate flexible assembly and production of control parts, and facilitate the manufacturer to flexibly replace threaded rods 51 of different specifications as needed. Moreover, since the control end 52 presses against the reinforcement ring 7, it is beneficial to reduce the friction between the control end 52 and the movable handle 3 during use.

[0052] Preferably, the control end 52 is detachably provided with an end cover 53, and the end cover 53 is arranged at the end of the positioning groove 521 so that the positioning groove 521 and the positioning portion 511 are hidden and the positioning portion 511 is prevented from being separated from the positioning groove 521. The setting of the end cover 53 is conducive to the stable connection between the control end 52 and the threaded rod 51, and prevents the connection between the control end 52 and the threaded rod 51 from being loose. In this embodiment, the control end 52 is provided with a mounting groove 523, and the end cover 53 is arranged in the mounting groove 523 and is tightly matched with the mounting groove 523.

[0053] The threaded rod 51 described in this embodiment includes a rod body 512, a hinge portion 513 is arranged at the end of the rod body 512 away from the control end 52, the hinge hole 32 is arranged at the bottom of the slide groove 31, and a hinge protrusion 525 is provided on the control end 52. The hinge protrusion 525 is rotatably connected to the slide groove 31. Through the hinge portion 513 and the hinge protrusion 525, the two ends of the rod body 512 are respectively stably rotated with the movable handle 3, which is conducive to the stable installation of the control part.

[0054] The upper end of the mounting portion 35 is provided with a convex edge 34 adapted to the reinforcement ring 7, and a positioning block 71 adapted to the guide groove is provided on the reinforcement ring 7 to prevent the reinforcement ring 7 from rotating with the adjustment member 5 during use, and a tightening wall 524 is provided on one side of the hinged protrusion 525, which drives the reinforcement ring 7 to press against the mounting portion 35.

[0055] The main spring 1 is provided with a fixing rod 11 at both ends, and the fixed handle 2 is provided with a plug-in hole 21, and a positioning protrusion 213 is provided in the plug-in hole 21. The fixing rod 11 is inserted in the plug-in hole 21, and the fixing rod 11 is provided with a mounting hole 13 and a positioning groove 12 adapted to the positioning protrusion 213. A countersunk hole 214 is provided on the fixed handle 2, and the fastener 23 passes through the countersunk hole 214 and cooperates with the mounting hole 13, so that the fixed handle 2 and the fixed rod 11 are relatively fixed. The setting of the positioning protrusion 213 and the positioning groove 12 facilitates the positioning and installation of the fixing rod 11 and the fixed handle 2, facilitates the connection and cooperation between the fastener 23 and the mounting hole 13, and facilitates the assembly of the fitness bar.

[0056] The plug-in hole 21 in this embodiment includes an extension portion 212 and a connecting portion 211 that is tightly matched with the fixed rod 11. The fixed rod 11 passes through the extension portion 212 and matches with the connecting portion 211. A number of protrusions are provided on the side wall of the extension portion 212, and the protrusions respectively rest against the outer periphery of the fixed rod 11. The provision of the extension portion 212 can reduce the friction between the fixed rod 11 and the plug-in hole 21 during the installation process, facilitate the quick connection and matching of the fixed rod 11 and the plug-in hole 21, and facilitate the assembly and production of the fitness bar.

[0057] Preferably, the fixing rod 11 is passed through the main spring 1 and fixed relative to the main spring 1, and a receiving groove 22 is provided at the end of the plug-in hole 21, and one end of the main spring 1 is passed through the receiving groove 22. In this structure, the main spring 1 is arranged between the fixing rod 11 and the side wall of the receiving groove 22, which is conducive to the stable connection between the main spring 1 and the fixing rod 11, and avoids the main spring 1 and the fixing rod 11 from being loose.

[0058] The present invention is further configured as follows: a connecting protrusion 28 is provided at one end of the fixed handle 2 away from the main spring 1, the cross-section of the connecting protrusion 28 is T-shaped, and a threading hole 29 is provided on the connecting protrusion 28. The T-shaped connecting protrusion 28 and the threading hole 29 make it easy for the user to install the connecting rope at both ends of the fitness bar, making it convenient for the user to use.

[0059] The above embodiments are only preferred embodiments of the present invention and are not intended to limit the scope of protection of the present invention. Therefore, any equivalent changes made based on the structure, shape, and principle of the present invention should be included in the scope of protection of the present invention.

Claims

1. A fitness bar, comprising a main spring (1), wherein fixed handles (2) are fixedly provided at both ends of the main spring (1), and characterized in that: The fixed handle (2) is provided with a movable handle (3) rotatably arranged on the fixed handle (2) via a hinge shaft (26), the movable handle (3) is provided on one side of the fixed handle (2), and an adjusting member (5) and a connecting seat (6) are movably provided on the movable handle (3), a tension spring (4) is provided between the connecting seat (6) and the fixed handle (2); the adjusting member (5) can adjust the distance between the connecting seat (6) and the hinge shaft (26), thereby adjusting the force arm of the tension spring (4) on the resistance of the movable handle (3) during the rotation of the movable handle (3); The fixed handle (2) is provided with a first gripping portion (215), and the movable handle (3) includes a mounting portion (35) and a second gripping portion (36), and the relative movement of the first gripping portion (215) and the second gripping portion (36) is controlled to perform grip training; the adjusting member (5) is mounted on the mounting portion (35), and the tension spring (4) and the second gripping portion (36) are respectively arranged on both sides of the mounting portion (35).

2. A fitness bar according to claim 1, characterized in that: The adjusting member (5) comprises a control end (52) and a threaded rod (51) rotatably arranged on the movable handle (3); a connecting seat (6) is slidably arranged on the movable handle (3); a threaded hole (63) adapted to the threaded rod (51) is provided on the connecting seat (6); the adjusting member (5) is rotated, and the threaded rod (51) drives the connecting seat (6) to slide on the movable handle (3) through the threaded hole (63), thereby adjusting the distance between the connecting seat (6) and the hinge shaft (26).

3. A fitness bar according to claim 2, characterized in that: The adjusting member (5) is provided with a hinge portion (513), the movable handle (3) is provided with a hinge hole (32) adapted to the hinge portion (513), and a side wall of the hinge portion (513) is provided with an annular groove (514), and the movable handle (3) is provided with a fixing pin (33), which penetrates the hinge hole (32) and enters the annular groove (514) to prevent the hinge portion (513) from being separated from the hinge hole (32).

4. A fitness bar according to claim 2, characterized in that: The movable handle (3) is provided with a mounting portion (35), a slide groove (31) is provided in the mounting portion (35), a connecting seat (6) is slidably provided in the slide groove (31), a guide groove (311) extending to the end of the slide groove (31) is provided on the side wall of the slide groove (31), a guide portion (61) adapted to the guide groove (311) is provided on the connecting seat (6), a tension spring (4) is connected to the guide portion (61), and a reinforcing ring (7) is sleeved on the mounting portion (35), the reinforcing ring (7) can prevent the guide groove (311) from being deformed and can prevent the guide portion (61) from being separated from the guide groove (311).

5. A fitness bar according to claim 4, characterized in that: The control end (52) is detachably connected to the threaded rod (51), a positioning groove (521) and a through hole (522) are provided on the control end (52), a positioning portion (511) is provided on the control rod, and the control rod is detachably connected to the movable handle (3), and the positioning portion (511) cooperates with the positioning groove (521) and drives the control end (52) to press against the reinforcement ring (7).

6. The fitness bar according to claim 5, characterized in that: The control end (52) is detachably provided with an end cover (53), which is arranged at the end of the positioning groove (521) so as to conceal the positioning groove (521) and the positioning portion (511) and prevent the positioning portion (511) from being separated from the positioning groove (521).

7. The fitness bar according to claim 1, characterized in that: The main spring (1) is provided with a fixing rod (11) at both ends, the fixing handle (2) is provided with a plug hole (21), a positioning protrusion (213) is provided in the plug hole (21), the fixing rod (11) is inserted into the plug hole (21), and the fixing rod (11) is provided with a mounting hole (13) and a positioning groove (12) adapted to the positioning protrusion (213), the fastener (23) passes through the fixing handle (2) and cooperates with the mounting hole (13), so that the fixing handle (2) and the fixing rod (11) are relatively fixed.

8. The fitness bar according to claim 7, characterized in that: The plug hole (21) comprises an extension portion (212) and a connection portion (211) tightly matched with the fixing rod (11); the fixing rod (11) passes through the extension portion (212) and matches with the connection portion (211); a plurality of protrusions are provided on the side wall of the extension portion (212), and the protrusions respectively abut against the outer periphery of the fixing rod (11).

9. The fitness bar according to claim 7, characterized in that: The fixing rod (11) is inserted into the main spring (1) and fixed relative to the main spring (1), and a receiving groove (22) is provided at the end of the plug hole (21), and one end of the main spring (1) is inserted into the receiving groove (22).

10. The fitness bar according to claim 1, characterized in that: The fixed handle (2) is provided with a connecting protrusion (28) at one end away from the main spring (1). The connecting protrusion (28) has a T-shaped cross section and a threading hole (29) is provided on the connecting protrusion (28).

Images