Connecting structure of body builder

Abstract

The utility model belongs to the technical field of fitness equipment, and particularly relates to a connecting structure of fitness equipment, which comprises a grip and an elastic rod which are detachably connected, a spring part connected with the grip is arranged on the elastic rod, a mounting bulge is arranged on the grip, a spiral groove is arranged on the periphery of the mounting bulge, and the spring part is sleeved on the mounting bulge and matched with the spiral groove. The spring part is matched with the spiral groove to relatively fix the grip and the elastic rod; the handle is controlled to reciprocate, the spring part enables the handle to vibrate, and the connecting structure of the body builder is convenient to assemble, produce, disassemble and maintain.

Description

Technical Field

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

[0002] As people's living standards improve, more and more people are doing fitness training in order to maintain good health, and there are more and more fitness equipment on the market.

[0003] Some fitness equipment on the market have relatively simple structures and are easy to produce and process, such as battle ropes, arm trainers, and Flyx bars. However, most of these fitness equipment fix the handles and various components relatively by gluing, welding, and one-piece injection molding. Although the structure is stable, it is not convenient to replace and maintain. For example, a multifunctional fitness trainer disclosed in Chinese utility model patent application CN202320039134.9 includes: a support seat, which can be stably placed on the ground; a handle, which is arranged on the support seat; an elastic slat, one end of which is fixed on the support seat or the handle; a shaking block, which is arranged at the other end of the elastic slat, and when the user holds the handle and shakes it up and down, the elastic slat can vibrate up and down. The multifunctional fitness trainer can be used as a Flyx bar, battle rope, and push-up stand. It has multiple fitness functions and effects, is more convenient to use, can change fitness training methods at will and quickly, maintain the continuity of exercise, and provide better user experience. Moreover, one device has multiple functions and lower economic costs.

[0004] It can be seen from the drawings in the specification that the handle includes two detachable parts, and the elastic slats are fixed in the handle by fasteners. However, since the elastic slats will vibrate continuously during use, the fasteners will become loose, affecting the stable installation of the elastic slats. Summary of the invention

[0005] In order to overcome the defects in the prior art, the purpose of the utility model is to provide a connection structure of a fitness device which is convenient for assembly and production and convenient for disassembly and maintenance.

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

[0007] A connection structure of a fitness equipment comprises a detachably connected handle and an elastic rod, the elastic rod is provided with a spring part connected to the handle, the handle is provided with a mounting protrusion, the outer periphery of the mounting protrusion is provided with a spiral groove, the spring part is sleeved on the mounting protrusion and cooperates with the spiral groove, the spring part cooperates with the spiral groove to relatively fix the handle and the elastic rod; the reciprocating motion of the handle is controlled so that the spring part causes the handle to vibrate.

[0008] The utility model is further configured as follows: the inner diameter of the spring part is smaller than the inner diameter of the spiral groove, and during the connection process between the spring part sleeve and the spiral groove, the spiral groove drives the spring part to deform and make the spring part and the spiral groove tightly fit.

[0009] The utility model is further configured as follows: the pitch of the spring portion is greater than or less than the pitch of the spiral groove.

[0010] The utility model is further configured as follows: a mounting groove is provided on the handle, a mounting protrusion is provided in the mounting groove, the spring part cooperates with the mounting protrusion and is inserted into the mounting groove, and a side wall of the mounting groove can abut against the outer side of the spring part to prevent the spring part from deforming and disengaging from the spiral groove.

[0011] The utility model is further configured as follows: a fastener is detachably provided on the handle, and the fastener is pressed against the spring part and limits the relative movement between the spring part and the handle.

[0012] The utility model is further configured as follows: a threaded hole is provided on the side wall of the installation groove, the fastener is a set screw adapted to the threaded hole, one end of the set screw abuts against the spring part, and the other end of the set screw penetrates into the threaded hole.

[0013] The utility model is further configured as follows: a conical abutting portion is arranged at the end of the fastener, the abutting portion penetrates between two adjacent spring coils, and the abutting portion abuts against the two spring coils at both sides.

[0014] Compared with the prior art, the utility model has the following advantages:

[0015] 1. The spring part and the spiral groove in the utility model cooperate to relatively fix the handle and the elastic rod. During use, the handle and the elastic rod are tightly connected and are not easy to be accidentally separated. In addition, fasteners are not required in this structure, which is convenient for assembly, production, disassembly and maintenance.

[0016] 2. In the utility model, since the inner diameter of the spring part is smaller than the inner diameter of the spiral groove, the spring part and the spiral groove are tightly matched, thereby avoiding relative movement of the connection position between the handle and the elastic rod during use; and since the pitch of the spring part is larger or smaller than the pitch of the spiral groove, the spring part is pressed against the side wall of the spiral groove, thereby facilitating a tight connection between the spring part and the spiral groove, thereby avoiding accidental separation of the handle and the elastic rod.

[0017] 3. The mounting groove in the utility model is conducive to limiting the deformation of the spring part, avoiding elastic deformation or plastic deformation of the spring part during use, which may cause the spring part to disengage from the spiral groove, and is conducive to the stable connection between the handle and the elastic rod, avoiding accidental separation of the handle and the elastic rod; the provision of the fastener is conducive to the close connection between the handle and the elastic rod, avoiding relative movement between the handle and the elastic rod during use.

[0018] 4. The setting structure of the set screw and the threaded hole in the utility model is simple and convenient for production and processing. This structure prevents the set screw from passing through the threaded hole and affecting the user's grip on the handle. The conical pressing part makes the two spring coils press against the spiral groove respectively, which is conducive to the close connection between the spring part and the spiral groove. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a structural schematic diagram of the utility model;

[0020] Figure 2 It is a partial cross-sectional view of the utility model;

[0021] Figure 3 It is a structural schematic diagram of the handle in the utility model;

[0022] Figure 4 It is a cross-sectional view of the handle in the utility model.

[0023] The meanings of the numbers in the figure are: 1-handle; 11-installation groove; 12-installation protrusion; 13-spiral groove; 14-threaded hole; 2-spring part; 21-spring ring; 3-setting screw; 31-tightening part; 32-control groove. DETAILED DESCRIPTION

[0024] The present invention is further described below in conjunction with the accompanying drawings and specific embodiments:

[0025] See also Figures 1 to 4 As shown, a connection structure of a fitness device includes a detachably connected handle 1 and an elastic rod, the elastic rod is provided with a spring portion 2 connected to the handle 1, the handle 1 is provided with a mounting protrusion 12, the outer periphery of the mounting protrusion 12 is provided with a spiral groove 13, the spring portion 2 is sleeved on the mounting protrusion 12 and cooperates with the spiral groove 13, the spring portion 2 cooperates with the spiral groove 13 to relatively fix the handle 1 and the elastic rod; the reciprocating motion of the handle 1 is controlled, and the spring portion 2 causes the handle 1 to vibrate, in this structure the spring portion 2 cooperates with the spiral groove 13 to relatively fix the handle 1 and the elastic rod, the handle 1 and the elastic rod are tightly connected during use, and are not easy to be accidentally separated, and fasteners can be omitted in this structure, which is convenient for assembly production as well as disassembly and maintenance.

[0026] The spring portion 2 may be a cylindrical compression spring, or a cylindrical extension spring. In the drawings of the utility model specification, the spring portion 2 is a cylindrical compression spring.

[0027] Preferably, the inner diameter of the spring portion 2 is smaller than the inner diameter of the spiral groove 13. During the connection between the spring portion 2 and the spiral groove 13, the spiral groove 13 drives the spring portion 2 to deform and makes the spring portion 2 fit tightly with the spiral groove 13. This structure is conducive to the tight fit of the spring portion 2 and the spiral groove 13, avoiding relative movement between the connection position of the handle 1 and the elastic rod during use.

[0028] In this embodiment, the pitch of the spring portion 2 is greater than or less than the pitch of the spiral groove 13. This structure is conducive to the spring portion 2 being pressed against the side wall of the spiral groove 13, and is conducive to the tight connection between the spring portion 2 and the spiral groove 13, thereby avoiding accidental separation of the handle 1 and the elastic rod.

[0029] The handle 1 described in the utility model is provided with a mounting groove 11, and a mounting protrusion 12 is arranged in the mounting groove 11. The spring part 2 cooperates with the mounting protrusion 12 and is inserted into the mounting groove 11. The side wall of the mounting groove 11 can abut against the outer side of the spring part 2 and prevent the spring part 2 from deforming and disengaging from the spiral groove 13. The mounting groove 11 is beneficial to limiting the deformation of the spring part 2, avoiding elastic deformation or plastic deformation of the spring part 2 during use, which causes the spring part 2 to disengage from the spiral groove 13, which is beneficial to the stable connection between the handle 1 and the elastic rod, and avoiding accidental disengagement of the handle 1 and the elastic rod.

[0030] Preferably, the handle 1 is detachably provided with a fastener, which presses against the spring part 2 and limits the relative movement between the spring part 2 and the handle 1. The provision of the fastener is conducive to the tight connection between the handle 1 and the elastic rod, avoiding relative movement between the handle 1 and the elastic rod during use.

[0031] A threaded hole 14 is provided on the side wall of the mounting groove 11, and the fastener is a set screw 3 adapted to the threaded hole 14. One end of the set screw 3 abuts against the spring portion 2, and the other end of the set screw 3 penetrates into the threaded hole 14. The setting structure of the set screw 3 and the threaded hole 14 is simple, which is convenient for production and processing. This structure prevents the set screw 3 from penetrating from the threaded hole 14 and affecting the user's grip on the handle 1.

[0032] In this embodiment, a conical abutting portion 31 is provided at the end of the fastener. The abutting portion 31 penetrates between two adjacent spring coils 21, and the two sides of the abutting portion 31 are respectively abutted against the two spring coils 21. The conical abutting portion 31 makes the two spring coils 21 respectively abut against the spiral groove 13, which is conducive to the tight connection between the spring portion 2 and the spiral groove 13.

[0033] The end of the set screw 3 is provided with a control slot 32 , and the user can control the set screw 3 to rotate in the threaded hole 14 through the control slot 32 .

[0034] The above embodiments are only preferred embodiments of the present invention and are not intended to limit the protection scope 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 protection scope of the present invention.

Claims

1. A connection structure of a fitness device, Features: The invention comprises a detachably connected grip (1) and an elastic rod, wherein the elastic rod is provided with a spring portion (2) connected to the grip (1), the grip (1) is provided with a mounting protrusion (12), the outer periphery of the mounting protrusion (12) is provided with a spiral groove (13), the spring portion (2) is sleeved on the mounting protrusion (12) and cooperates with the spiral groove (13), and the spring portion (2) cooperates with the spiral groove (13) to relatively fix the grip (1) and the elastic rod; the grip (1) is controlled to reciprocate, and the spring portion (2) causes the grip (1) to vibrate.

2. A connection structure of a fitness device according to claim 1, Features: The inner diameter of the spring part (2) is smaller than the inner diameter of the spiral groove (13); when the spring part (2) is sleeved and connected with the spiral groove (13), the spiral groove (13) drives the spring part (2) to deform and makes the spring part (2) and the spiral groove (13) fit tightly.

3. A connection structure of a fitness device according to claim 1 or 2, Features: The pitch of the spring portion (2) is greater than or smaller than the pitch of the spiral groove (13).

4. The connection structure of a fitness device according to claim 1, Features: The handle (1) is provided with a mounting groove (11), a mounting protrusion (12) is arranged in the mounting groove (11), the spring portion (2) cooperates with the mounting protrusion (12) and is inserted into the mounting groove (11), and the side wall of the mounting groove (11) can abut against the outside of the spring portion (2) and prevent the spring portion (2) from deforming and disengaging from the spiral groove (13).

5. A connection structure of a fitness device according to claim 4, Features: The handle (1) is detachably provided with a fastener, which is pressed against the spring portion (2) and limits the relative movement between the spring portion (2) and the handle (1).

6. A connection structure of a fitness device according to claim 5, Features: A threaded hole (14) is provided on the side wall of the installation groove (11); the fastener is a set screw (3) adapted to the threaded hole (14); one end of the set screw (3) abuts against the spring part (2), and the other end of the set screw (3) penetrates into the threaded hole (14).

7. A connection structure of a fitness device according to claim 5 or 6, Features: The end of the fastener is provided with a conical abutting portion (31), the abutting portion (31) penetrates between two adjacent spring coils (21), and the abutting portion (31) abuts against the two spring coils (21) at both sides.

Images