Fitness Bar

Abstract

The fitness bar includes a bar body and a handle. The bar body is a spiral spring structure comprising a vibrating part, a transition part, and a connecting part, all molded as a single piece; both the vibrating part and the connecting part are shaped like cylindrical spiral springs, and the transition part is shaped like a conical spiral spring with a diameter that gradually decreases from the vibrating part to the connecting part, and the handle is fixedly connected to the connecting part; when the fitness bar is whipped or swung by holding the handle, the vibrating part is configured to vibrate elastically along the corresponding whipping or swinging direction. Since the connecting part of the fitness bar adopts a structure with a gradually decreasing diameter, it is not only advantageous for a universal design of the handle, but also provides a comfortable and strong grip when the fitness bar is in use and prevents it from easily loosening and falling off.

Description

Technology Field

[0001] The present invention relates to the field of fitness equipment, and in particular to fitness bars. Background Technology

[0002] Chinese patent document CN222163177U discloses a connection structure for a fitness device, which includes a detachably connected handle and an elastic rod, wherein a spring part connected to the handle is installed on the elastic rod, a mounting projection is installed on the handle, a spiral groove is installed on the outer circumference of the mounting projection, the spring part is sleeved on the mounting projection and cooperates with the spiral groove, and the spring part and the spiral groove cooperate to relatively fix the handle and the elastic rod; and the handle is controlled to reciprocate, and the spring part vibrates the handle.

[0003] In this structure, the elastic rod adopts a monolithic design with a uniform diameter, resulting in the following disadvantages. First, the handle cannot be universally applied to elastic rods of different diameters, making replacement and maintenance inconvenient and leading to resource waste. Second, the handle is too thick; particularly in the case of fitness bars with large elastic rod diameters, the thicker handle causes users discomfort or insufficient grip strength, which distorts movements and reduces exercise efficiency. Third, the length of the elastic rod connecting to the handle is too short, resulting in a small contact area between the two. Consequently, the connection is not secure, and the rod may loosen and detach during use. The problem to be solved

[0004] The purpose of the present invention is to provide a fitness bar in which the bar body is integrated and adopts a spiral spring structure having different diameters to overcome the disadvantages of the prior art. This not only facilitates a universal design of the handle but also provides a comfortable and strong grip when the fitness bar is in use, and ensures that the handle connection is sturdy so that it does not easily loosen and fall off. means of solving the problem

[0005] The objective of the present invention is realized through the following technical solution.

[0006] The fitness bar comprises a bar body and a handle; the bar body is integrally molded and is a spiral spring structure comprising a vibrating part, a transition part, and a connecting part sequentially connected; the vibrating part and the connecting part are both cylindrical spiral spring shapes, and the outer diameter and pitch dimensions of the connecting part are each smaller than the outer diameter and pitch dimensions of the vibrating part; the transition part is conical spiral spring shapes in which the diameter gradually decreases from the vibrating part to the connecting part; the handle is detachably connected to the connecting part or indetachably fixedly connected; and when the fitness bar is whipped or swung while holding the handle, the vibrating part is configured to vibrate elastically along the corresponding whipping or swinging direction.

[0007] In addition, the pitch dimension of the transition part is the same as the pitch dimension of the connection part, the length dimension of the vibrating part is at least twice the length dimension of the connection part, and the length dimension of the transition part is smaller than the length dimension of the connection part.

[0008] In addition, the vibration part, the transition part, and the connecting part are manufactured as a single unit with a metal spring wire, and the pitch dimension of the transition part and the connecting part is the same as the diameter dimension of the metal spring wire, and the pitch dimension of the vibration part is at least twice the diameter dimension of the metal spring wire.

[0009] In one embodiment, the handle comprises a handle front end, a handle body, and a handle rear end that are integrally molded and sequentially connected, wherein the handle front end, the handle body, and the handle rear end are all located on the same axis, and the outer diameter of the handle body is smaller than the outer diameter of the handle front end and the handle rear end.

[0010] Additionally, the handle is provided with a hollow cavity having an opening at the front end of the handle, and the hollow cavity includes a first cavity for accommodating the transition portion and a second cavity for accommodating the connection portion, the shape of the first cavity is matched with the outer contour of the transition portion, and the first cavity and the second cavity are in communication with each other and are located on the same axis.

[0011] Preferably, a first spiral groove is installed openly on the inner wall of the second cavity, matching the outer surface of the connecting part, to realize a spiral connection between the handle and the connecting part.

[0012] More preferably, the hollow cavity further includes a third cavity located within the rear end of the handle, and the third cavity and the second cavity are in communication with each other and are located on the same axis, and a first connecting column is provided within the third cavity, formed integrally therewith and extending to the second cavity, and the first connecting column is sleeved within the inner diameter of the connecting part, and a second spiral groove is installed openly on the outer wall of the first connecting column to match the inner circumferential surface of the connecting part to realize a spiral connection between the handle and the connecting part.

[0013] In another embodiment, the handle comprises a handle front end, a handle body, and an end cover that are installed sequentially and located on the same axis, the handle front end and the handle body are formed integrally, the end cover and the handle body are installed separately, the outer diameter of the handle body is smaller than the outer diameter of the handle front end and the end cover, the handle front end is sleeved outside the transition part, and the handle body is sleeved outside the connection part.

[0014] Preferably, a second connecting column extending to the front of the handle is installed in the end cover, and the second connecting column is sleeved within the inner diameter of the connecting part, and a third spiral groove matching the inner circumferential surface of the connecting part is installed openly on the outer wall of the second connecting column to implement a spiral connection between the end cover and the connecting part, and the inner side of the end cover compresses the handle body so that the handle body does not loosen outward from the connecting part and fall off.

[0015] More preferably, the end of the connecting part extends outward from the rear end of the handle body, and a fourth spiral groove is installed on the inner wall of the end cover to match the outer surface of the end extension of the connecting part, thereby realizing a spiral connection between the end extension of the connecting part and the end cover, and the inner side of the end cover compresses the handle body so that the handle body does not loosen outward from the connecting part and fall off. Effects of the invention

[0016] The present invention has the following beneficial effects compared to the prior art.

[0017] The bar body of the fitness bar according to the present invention adopts a spiral spring structure design having a different diameter and is integrated, making it more rational and reliable than the prior art. Specifically, the transition section adopts a structural design in which the diameter gradually decreases from the vibrating section to the connecting section. Therefore, on the one hand, to satisfy the user demand for fitness bars with different diameter specifications, it is sufficient to design a vibrating section with various different diameter dimensions, while the connecting section can adopt a diameter dimension of the same specification. By designing a handle that matches the connecting section, it can be universally applied to fitness bars with various different diameter specifications, thereby saving resources, reducing costs, and improving the convenience of product maintenance. On the other hand, due to this design of the connecting section with a gradually decreasing diameter, the thickness of the handle is more rational, which is advantageous for improving grip comfort during use of the fitness bar and ensuring a strong grip so as not to negatively affect movement. Furthermore, the axial connection length between the bar body and the handle is increased, thereby increasing the contact area between the handle and the bar body. This improves the rigidity of the connection between the handle and the bar body, which is advantageous for preventing it from loosening and falling off during use. Brief explanation of the drawing

[0018] FIG. 1 is a cross-sectional view of the fitness bar of the present invention. Figure 2 is a schematic diagram of the external appearance of the main body according to the present invention. FIG. 3 is a partial enlarged cross-sectional view of the vibrating part of the main body according to the present invention. FIG. 4 is a partial enlarged cross-sectional view of the transition part of the main body according to the present invention. FIG. 5 is a partial enlarged cross-sectional view of the connecting part of the main body according to the present invention. FIG. 6 is a cross-sectional view of a handle according to the first embodiment of the present invention. FIG. 7 is a cross-sectional view of a fitness bar according to a second embodiment of the present invention. Figure 8 is a partial enlarged view of part A of Figure 7. FIG. 9 is a cross-sectional view of a fitness bar according to a third embodiment of the present invention. Figure 10 is a partial enlarged view of part B of Figure 9. FIG. 11 is a cross-sectional view of a fitness bar according to the fourth embodiment of the present invention. Specific details for implementing the invention

[0019] The present invention will be described in more detail below with reference to the embodiments illustrated in the attached drawings.

[0020] A first embodiment of a fitness bar according to the present invention is as illustrated in FIGS. 1 to 6. The fitness bar comprises a bar body (1) and a handle (2). The bar body (1) has a spiral spring structure. The bar body (1) is integrally molded and includes a vibrating part (11), a transition part (12), and a connecting part (13) that are sequentially connected. Both the vibrating part (11) and the connecting part (13) are cylindrical spiral spring shapes. The outer diameter dimension (D1) and pitch dimension (T1) of the connecting part (13) are smaller than the outer diameter dimension (D2) and pitch dimension (T2) of the vibrating part (11), respectively. The transition part (12) is conical spiral spring shape in which the diameter gradually decreases from the vibrating part (11) to the connecting part (13). The handle (2) is detachably connected to the connecting part (13) or fixedly connected indetachably. The detachable connection includes a method (not shown) such as a spiral connection or snap connection adopted in the present invention; The non-removable fixed connection includes methods such as welding or integral injection molding (not shown). When the handle (2) is held and the fitness bar is whipped or swung, the vibrating part (11) is made to vibrate elastically along the corresponding whipping or swinging direction.

[0021] The pitch dimension (T3) of the transition part (12) is the same as the pitch dimension (T1) of the connection part (13). The length dimension of the vibrating part (11) is more than twice the length dimension of the connection part (13), and the length dimension of the transition part (12) is smaller than the length dimension of the connection part (13).

[0022] The handle (2) is made of plastic, and the vibrating part (11), the transition part (12), and the connecting part (13) are manufactured as a single unit using metal spring wire. The pitch dimension (T1) of the connecting part (13) and the pitch dimension (T3) of the transition part (12) are both equal to the diameter dimension (D) of the metal spring wire. That is, since the two adjacent spring coils in the connecting part (13) and the transition part (12) are stacked on top of each other, not only can the structural strength of these two parts be increased, but the contact area between the handle (2) and the bar body (1) can also be increased, thereby preventing the bar body (1) and the handle (2) from easily falling off.

[0023] The pitch dimension (T2) of the vibrating part (11) is more than twice the diameter dimension (D) of the metal spring wire. Preferably, the pitch dimension (T2) of the vibrating part (11) may be between 3 and 8 times the diameter dimension (D) of the metal spring wire, so that when using the fitness bar, the bending and inertia generated by the vibrating part (11) are improved.

[0024] The handle (2) is formed as a single piece and includes a handle front end (21), a handle body (22), and a handle rear end (23) that are sequentially connected. The handle front end (21), the handle body (22), and the handle rear end (23) are all located on the same axis. Since the outer diameter of the handle body (22) is smaller than the outer diameter of the handle front end (21) and the handle rear end (23), the safety of the product can be improved by preventing the hand from slipping off the handle (2) when using the fitness bar.

[0025] The handle (2) is provided with a hollow cavity having an opening at the front end of the handle (21), and the hollow cavity includes a first cavity (24) for accommodating a transition part (12) and a second cavity (25) for accommodating a connecting part (13) located at the end of the opening, the shape of the first cavity (24) matches the outer contour of the transition part (12), and the first cavity (24) and the second cavity (25) are connected to each other and located on the same axis.

[0026] A first spiral groove (221) is installed openly on the inner wall of the second cavity (25) to match the outer surface of the connecting part (13), thereby realizing a spiral connection between the handle (2) and the connecting part (13).

[0027] The end of the vibrating part (11) that moves away from the transition part (12) is a free end (14), and a soft rubber sleeve (3) is sleeved onto the free end (14). The soft rubber sleeve (3) protects the free end (14) from damage, extending its lifespan and improving the aesthetics of the fitness bar. Since the pitch dimension (T4) of the free end (14) is the same as the diameter dimension (D) of the metal spring wire, it increases the inertia of the vibrating part (11) when using the fitness bar. In addition, the free end (14) and the vibrating part (11) are molded as a single unit to prevent detachment and make the structure more stable. A hanging rope (4) is connected to the handle (2), so that the user is protected more safely by preventing the handle (2) from slipping out of the hand by hanging the hanging rope (4) around the wrist during exercise.

[0028] As described above, the assembly and disassembly operation principle of the first embodiment of the present invention is as follows. The end of the connecting part (13) of the bar body (1) is aligned with and contacted with the second cavity (25) inside the handle (2), and the bar body (1) and the handle (2) are rotated relative to each other so that the connecting part (13) of the bar body (1) is inserted while rotating into the first spiral groove (221) of the handle (2), thereby realizing the assembly of the bar body (1) and the handle (2). Thus, the assembly of the bar body (1) and the handle (2) is very convenient. Likewise, by rotating the bar body (1) and the handle (2) in relative opposite directions, the disassembly of the bar body (1) and the handle (2) can be realized.

[0029] A second embodiment of the present invention is illustrated in FIGS. 7 and FIGS. 8, and the difference from the first embodiment is as follows. The hollow cavity further includes a third cavity (26) located within the rear end (23) of the handle, and the third cavity (26) and the second cavity (25) are connected to each other and located on the same axis, and a first connecting column (27) is provided within the third cavity (26) and is formed integrally therewith and extends to the second cavity (25), and the first connecting column (27) is sleeved within the inner diameter of the connecting part (13), and a second spiral groove (271) that matches the inner circumferential surface of the connecting part (13) is installed openly on the outer wall of the first connecting column (27) to realize a spiral connection between the handle (2) and the connecting part (13).

[0030] As described above, the assembly and disassembly operation principle of the second embodiment of the present invention is as follows. The end of the connecting part (13) of the bar body (1) is inserted into the handle body (22) and contacts the end surface of the first connecting column (27) inside the handle (2). By rotating the bar body (1) and the handle (2) relative to each other so that the connecting part (13) is inserted while rotating into the second spiral groove (271) of the first connecting column (27), the assembly of the bar body (1) and the handle (2) can be realized. Similarly, by rotating the bar body (1) and the handle (2) in relative opposite directions, disassembly can be completed.

[0031] The third embodiment of the present invention is as illustrated in FIGS. 9 and FIGS. 10, and the differences from the first embodiment are as follows. The handle (2) includes a handle front end (21), a handle body (22), and an end cover (28) that are installed sequentially and located on the same axis, the handle front end (21) and the handle body (22) are formed integrally, and the end cover (28) and the handle body (22) are installed separately, the outer diameter of the handle body (22) is smaller than the outer diameter of the handle front end (21) and the end cover (28), the handle front end (21) is sleeved outside the transition part (12), the handle body (22) is sleeved outside the connection part (13), a second connecting column (29) extending to the handle front end (21) is installed on the end cover (28), the second connecting column (29) is sleeved within the inner diameter of the connection part (13), and a third spiral groove (291) matching the inner circumferential surface of the connection part (13) is installed openly on the outer wall of the second connecting column (29) A spiral connection is implemented between the cover (28) and the connecting part (13), and the inner side of the end cover (28) compresses the handle body (22) so that the handle body does not loosen and fall out from the connecting part (13).

[0032] As described above, the assembly and disassembly operation principle of the third embodiment of the present invention is as follows. The end of the connecting part (13) of the bar body (1) is inserted into the handle body (22) and the second connecting column (29) of the end cover (28) is brought into contact with the end surface of the connecting part (13). The bar body (1) and the end cover (28) are rotated relative to each other so that the connecting part (13) is inserted while rotating into the third spiral groove (291) of the end cover (28), and the inner side of the end cover (28) is rotated to compress the handle body (22), thereby enabling assembly of the bar body (1) and the handle (2). Similarly, the bar body (1) and the end cover (28) are rotated relative to each other in opposite directions to enable disassembly of the bar body (1) and the handle (2).

[0033] The fourth embodiment of the present invention is as illustrated in FIG. 11, and the difference from the third embodiment is as follows. The end of the connecting part (13) extends outward from the rear end of the handle body (22), and a fourth spiral groove (281) is installed on the inner wall of the end cover (28) to match the outer surface of the end extension of the connecting part (13), thereby realizing a spiral connection between the end extension of the connecting part (13) and the end cover (28); the inner side of the end cover (28) compresses the handle body (22) so that the handle body does not loosen outward from the connecting part and fall off.

[0034] As described above, the assembly and disassembly operation principle of the fourth embodiment of the present invention is as follows. The end of the connecting part (13) of the bar body (1) is inserted into the handle body (22) and extends outward, and the end cover (28) is rotated to form a spiral connection between the fourth spiral groove (281) and the outer circumference of the extended end of the connecting part (13). When the end cover (28) is rotated so that its inner side compresses the handle body (22), assembly of the bar body (1) and the handle (2) can be achieved. Similarly, by rotating the end cover (28) in the opposite direction, disassembly of the bar body (1) and the handle (2) can be achieved.

[0035] Additionally, in the third and fourth embodiments, the handle front end (21) and the handle body (22) can be integrally molded from a soft rubber material, and the end cover (28) adopts a hard plastic material.

[0036] In the present invention, the length of the bar body (1) is 330 to 450 mm, and the length of the vibrating part (11) is 300 to 400 mm.

Claims

Claim 1 A fitness bar comprising a bar body and a handle, wherein the bar body is integrally molded and has a spiral spring structure including a vibrating part, a transition part, and a connecting part sequentially connected; wherein the vibrating part and the connecting part are both cylindrical spiral spring shapes, and the outer diameter and pitch dimensions of the connecting part are each smaller than the outer diameter and pitch dimensions of the vibrating part; wherein the transition part is conical spiral spring shapes in which the diameter gradually decreases from the vibrating part to the connecting part; and wherein the handle is detachably connected to the connecting part or indetachably fixedly connected; and wherein, when the fitness bar is whipped or swung by holding the handle, the vibrating part is elastically vibrated along the corresponding whipping or swinging direction. Claim 2 A fitness bar according to claim 1, characterized in that the pitch dimension of the transition part is the same as the pitch dimension of the connecting part, the length dimension of the vibrating part is at least twice the length dimension of the connecting part, and the length dimension of the transition part is smaller than the length dimension of the connecting part. Claim 3 A fitness bar according to claim 2, wherein the vibrating part, the transition part, and the connecting part are manufactured integrally with a metal spring wire, the pitch dimension of the transition part and the connecting part is the same as the diameter dimension of the metal spring wire, and the pitch dimension of the vibrating part is at least twice the diameter dimension of the metal spring wire. Claim 4 A fitness bar according to claim 1, wherein the handle comprises a handle front end, a handle body, and a handle rear end that are integrally molded and sequentially connected, and the handle front end, handle body, and handle rear end are all located on the same axis, and the outer diameter of the handle body is smaller than the outer diameter of the handle front end and handle rear end. Claim 5 A fitness bar according to claim 4, wherein the handle has a hollow cavity with an opening at the front end of the handle, and the hollow cavity includes a first cavity for accommodating the transition portion and a second cavity for accommodating the connecting portion, the shape of the first cavity is matched to the outer contour of the transition portion, and the first cavity and the second cavity are in communication with each other and are located on the same axis. Claim 6 A fitness bar characterized in that, in claim 5, a first spiral groove matching the outer surface of the connecting part is installed openly on the inner wall of the second cavity to realize a spiral connection between the handle and the connecting part. Claim 7 A fitness bar according to claim 5, wherein the hollow cavity further comprises a third cavity located within the rear end of the handle, the third cavity and the second cavity are in communication with each other and are located on the same axis, a first connecting column formed integrally therewith and extending to the second cavity is provided within the third cavity, the first connecting column is sleeved within the inner diameter of the connecting part, and a second spiral groove matching the inner circumferential surface of the connecting part is installed openly on the outer wall of the first connecting column to realize a spiral connection between the handle and the connecting part. Claim 8 A fitness bar according to claim 1, wherein the handle comprises a handle front end, a handle body, and an end cover that are sequentially installed and located on the same axis, the handle front end and the handle body are molded as a single unit, the end cover and the handle body are installed as separate units, the outer diameter of the handle body is smaller than the outer diameter of the handle front end and the end cover, the handle front end is sleeved outside the transition part, and the handle body is sleeved outside the connection part. Claim 9 A fitness bar according to claim 8, wherein a second connecting column extending to the front of the handle is installed in the end cover, the second connecting column is sleeved within the inner diameter of the connecting part, and a third spiral groove matching the inner circumferential surface of the connecting part is installed openly on the outer wall of the second connecting column to realize a spiral connection between the end cover and the connecting part, and the inner side of the end cover compresses the handle body so that the handle body does not loosen outward from the connecting part and fall off. Claim 10 A fitness bar characterized in that, in claim 8, the end of the connecting part extends outward from the rear end of the handle body, and a fourth spiral groove is installed on the inner wall of the end cover to match the outer surface of the end extension of the connecting part, thereby realizing a spiral connection between the end extension of the connecting part and the end cover, and the inner side of the end cover compresses the handle body so that the handle body does not loosen outward from the connecting part and fall off.

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