A quick-adjusting locking mechanism for dumbbells

Abstract

The utility model provides a dumbbell quick adjustment locking mechanism, which relates to the technical field of dumbbells, including a rod body, a locking vertical plug rod structure and a locking horizontal plug rod structure, wherein an anti-slip sleeve is disposed on the middle outer sleeve of the rod body, and the left and right parts of the rod body are provided with threaded sections, one end of the threaded section is fixedly sleeved with an inner baffle, and the other end of the threaded section is assembled with a locking horizontal plug rod structure, a locking vertical plug rod structure is installed between the threaded section and the locking horizontal plug rod structure, multiple groups of weight disks are sleeved on the threaded section, and a limited position adjustment structure is provided on the outer side of the outer group of weight disks, the anti-slip sleeve is made of silicone rubber, and the anti-slip sleeve is located between the two groups of inner baffles. The utility model facilitates stable adjustment after adding or removing weight disks, and performs double locking processing in the horizontal and vertical directions after adjustment, so that the dumbbells remain safe and stable during exercise, avoiding accidents of weight disks slipping off, and are safer and more reliable to use.

Description

Technical Field

[0001] The utility model relates to the technical field of dumbbells, in particular to a dumbbell quick adjustment and locking mechanism. Background Art

[0002] There are two types of dumbbells: fixed-weight and adjustable-weight. Fixed-weight dumbbells are made of cast iron, with an iron rod in the middle and solid balls at both ends. Adjustable dumbbells are similar to smaller barbells, with round iron plates of varying weights placed on both ends of the short iron rod. The weight can be increased or decreased during weightlifting or fitness exercises.

[0003] In the specification of a convenient adjustment mechanism of a dumbbell in the prior art (publication number CN113694463A), it is mentioned that "a dumbbell plate located above the clamping block is movably installed on the outer side of the rotating block, and the upper end of the inner cavity of the counterweight chamber is movably sleeved with a limit block located on the side of the middle part of the outer end of the rotating block, and the inner cavity of the counterweight chamber is movably sleeved with an adjustment block, and the outer end of the adjustment block and the outer side of the inner cavity of the counterweight chamber are movably connected by a spring, and a liquid groove is provided at the upper end of the clamping block, and the inner side of the liquid groove is connected with the inner side of the counterweight chamber". However, after adding or removing the weight plate, the dumbbell in the prior art may be unstable in adjustment, and the weight plate may slip out to the outside, which poses certain safety hazards and is not safe and reliable to use. Utility Model Content

[0004] In order to overcome the defects of the prior art, a dumbbell quick adjustment locking mechanism is provided to solve the problem that after adding or removing the weight plate, the dumbbell in the prior art may be unstable in adjustment and cause the weight plate to slip outward, posing certain safety hazards and being unsafe and reliable to use.

[0005] To achieve the above-mentioned purpose, a dumbbell quick-adjustment locking mechanism is provided, comprising a rod body, a locking vertical insertion rod structure and a locking horizontal insertion rod structure, the middle outer portion of the rod body is provided with an anti-slip sleeve, and the left and right portions of the rod body are provided with threaded sections, one end of the threaded section is fixedly provided with an inner baffle, and the other end of the threaded section is assembled with a locking horizontal insertion rod structure, a locking vertical insertion rod structure is installed between the threaded section and the locking horizontal insertion rod structure, a plurality of groups of weight disks are provided on the threaded section, and a limited adjustment structure is provided on the outer side of the outer group of weight disks.

[0006] Furthermore, the anti-slip sleeve is made of silicone rubber, and the anti-slip sleeve is located between the two sets of inner baffles.

[0007] Furthermore, a transverse insertion hole is opened in the threaded section, and the locking transverse insertion rod structure is inserted into the transverse insertion hole, and a through hole is opened on the locking transverse insertion rod structure, and a second turntable is arranged at the rear end of the locking transverse insertion rod structure, and at the same time, the locking transverse insertion rod structure and the transverse insertion hole are split and connected.

[0008] Furthermore, notches are provided on both upper and lower sides of the exterior of the threaded section, and vertical insertion holes are provided between the two groups of notches, and the middle part of the locking vertical insertion rod structure is inserted into the corresponding vertical insertion holes and through holes, and the locking vertical insertion rod structure is a detachable structure.

[0009] Furthermore, the locking vertical plug rod structure is provided with connectors at both upper and lower ends, and each set of connectors is threadedly twisted with an external twist cover.

[0010] Furthermore, an outer baffle is provided at the front end of the limit adjustment structure, and a first turntable is provided on the outer side of the rear portion of the limit adjustment structure, and handles are provided at both upper and lower ends of the first turntable, and the limit adjustment structure is split and connected to the threaded section.

[0011] The beneficial effects of the utility model are:

[0012] 1. The anti-slip cover in the utility model is provided to increase the friction, making it less likely to slip and more safe and reliable to use.

[0013] 2. The locking transverse plug rod structure in the utility model is inserted into the threaded section to prevent the weight plate and the limit adjustment structure from accidentally slipping off, and plays the role of outer end limit insurance. The locking vertical plug rod structure is then used to lock the locking transverse plug rod structure and the threaded section, so that the locking transverse plug rod structure will not detach from the threaded section. The locking is tighter and more reliable, and the user can use it safely and with confidence.

[0014] 3. Both the locking vertical plug-in rod structure and the locking horizontal plug-in rod structure are easy to assemble or disassemble, which is faster and more convenient, and helps to improve the safety and stability of use.

[0015] 4. The limit adjustment structure in the utility model can be moved to the right side of the threaded section by rotating clockwise, and can be moved to the left side of the threaded section by rotating counterclockwise, so that the position of the limit adjustment structure on the threaded section can be adjusted flexibly and conveniently, so as to be suitable for placing different numbers of weight discs on the threaded section, so that the weight discs can be clamped between the inner baffle plate and the limit adjustment structure, which is more convenient and saves trouble. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a rendering of an embodiment of the utility model;

[0017] Figure 2 It is a schematic diagram of the installation of a locking vertical rod structure, a limiting structure and a locking horizontal rod structure on the rod body structure of an embodiment of the utility model;

[0018] Figure 3 This is a schematic diagram of a disassembled rod body of an embodiment of the utility model;

[0019] Figure 4 This is a schematic diagram of the locking cross-insertion rod structure of an embodiment of the utility model.

[0020] In the figure: 1. rod body; 10. anti-slip sleeve; 11. inner baffle; 12. threaded section; 13. notch; 14. vertical plug hole; 15. horizontal plug hole; 2. locking vertical plug rod structure; 20. connector; 21. outer twist cover; 3. weight plate; 4. limit adjustment structure; 40. outer baffle; 41. first turntable; 42. handle; 5. locking horizontal plug rod structure; 50. through hole; 51. second turntable. DETAILED DESCRIPTION

[0021] In order to make the technical problems, technical solutions and beneficial effects to be solved by the utility model clearer, the utility model is further described in detail in combination with the accompanying drawings and embodiments. The specific embodiments described herein are only used to explain the utility model, and are not used to limit the utility model. Specific details such as specific system structures and technologies are proposed in order to more thoroughly understand the embodiments of the utility model. The described embodiments are part of the embodiments of the present disclosure, rather than all of the embodiments. However, it should be clear to those skilled in the art that the utility model can also be implemented in other embodiments without these specific details. Based on the embodiments in the present disclosure, all other embodiments obtained by those skilled in the art without making creative work are within the scope of protection of the present disclosure.

[0022] The specific implementation of the utility model is described in detail below with reference to the accompanying drawings.

[0023] Figure 1 The effect diagram of the embodiment of the utility model is as follows: Figure 2 This is a schematic diagram of the installation of the locking vertical rod structure, the limiting structure and the locking horizontal rod structure on the rod body structure of the embodiment of the utility model. Figure 3 Schematic diagram of the rod body after being disassembled according to the embodiment of the utility model and Figure 4 This is a schematic diagram of the locking cross-insertion rod structure of an embodiment of the utility model.

[0024] Reference Figures 1 to 4 As shown, the utility model provides a dumbbell quick-adjustment locking mechanism, comprising a rod body 1, a locking vertical insertion rod structure 2 and a locking horizontal insertion rod structure 5, an anti-slip sleeve 10 is arranged on the middle outer sleeve of the rod body 1, and a threaded section 12 is arranged on the left and right parts of the rod body 1, one end of the threaded section 12 is fixedly sleeved with an inner baffle 11, and the other end of the threaded section 12 is assembled with the locking horizontal insertion rod structure 5, a locking vertical insertion rod structure 2 is installed between the threaded section 12 and the locking horizontal insertion rod structure 5, a plurality of groups of weight disks 3 are sleeved on the threaded section 12, and a limited adjustment structure 4 is arranged on the outer side of the outer group of weight disks 3.

[0025] In this embodiment, the anti-slip cover 10 is made of silicone rubber, and the anti-slip cover 10 is located between the two sets of inner baffles 11 .

[0026] As a preferred embodiment, the anti-slip cover 10 in the present invention is provided to increase the friction force, making it less likely to slip and more safe and reliable to use.

[0027] In this embodiment, a horizontal insertion hole 15 is opened in the threaded section 12, and the locking horizontal insertion rod structure 5 is inserted into the horizontal insertion hole 15, and a through hole 50 is opened on the locking horizontal insertion rod structure 5, and a second turntable 51 is provided at the rear end of the locking horizontal insertion rod structure 5, and the locking horizontal insertion rod structure 5 and the horizontal insertion hole 15 are split and connected; recesses 13 are opened on the upper and lower sides of the outside of the threaded section 12, and a vertical insertion hole 14 is provided between the upper and lower groups of recesses 13, and the middle part of the locking vertical insertion rod structure 2 is inserted into the corresponding vertical insertion hole 14 and the through hole 50, and the locking vertical insertion rod structure 2 is a detachable structure; connectors 20 are provided at the upper and lower ends of the locking vertical insertion rod structure 2, and each group of connectors 20 is twisted with an external twist cover 21 through a thread.

[0028] As a preferred embodiment, the locking transverse insertion rod structure 5 in the utility model is inserted into the threaded section 12 to prevent the weight plate 3 and the limit adjustment structure 4 from accidentally slipping off, and plays a role of outer end limit insurance. The locking vertical insertion rod structure 2 is then used to lock the locking transverse insertion rod structure 5 and the threaded section 12, so that the locking transverse insertion rod structure 5 will not detach from the threaded section 12, and the locking is tighter and more reliable, and the user can use it safely and with confidence.

[0029] Moreover, the locking vertical insertion rod structure 2 and the locking horizontal insertion rod structure 5 are easy to assemble or disassemble, which is faster and more convenient, and helps to improve the safety and stability of use.

[0030] In this embodiment, an outer baffle 40 is provided at the front end of the limit adjustment structure 4, and a first turntable 41 is provided on the outer side of the rear part of the limit adjustment structure 4, and handles 42 are provided at both upper and lower ends of the first turntable 41, and the limit adjustment structure 4 is split and connected to the threaded section 12.

[0031] As a preferred embodiment, the limit adjustment structure 4 in the utility model can be moved to the right side of the threaded segment 12 by rotating clockwise, and the limit adjustment structure 4 can be moved to the left side of the threaded segment 12 by rotating counterclockwise, so that the position of the limit adjustment structure 4 on the threaded segment 12 can be adjusted conveniently and flexibly, so as to be suitable for placing different numbers of weight disks 3 on the threaded segment 12, so as to clamp the weight disk 3 between the inner baffle plate 11 and the limit adjustment structure 4, which is more convenient and saves trouble.

[0032] The utility model can effectively solve the problem in the prior art that after adding or removing weight plates, the dumbbells may slide outward due to unstable adjustment, posing certain safety hazards and being unsafe and reliable to use. The utility model facilitates stable adjustment after adding or removing weight plates, and performs double locking processing in the horizontal and vertical directions after adjustment, so that the dumbbells remain safe and stable during exercise, avoiding accidents of weight plates sliding out, and are safer and more reliable to use.

[0033] The above embodiments are used to explain the present invention rather than to limit the present invention. Any modifications and changes made to the present invention within the spirit of the present invention and the scope of the claims for protection shall be included in the protection scope of the present invention.

Claims

1. A dumbbell quick adjustment locking mechanism, characterized in that: The invention comprises a rod body (1), a locking vertical insertion rod structure (2) and a locking horizontal insertion rod structure (5); the middle part of the rod body (1) is covered with an anti-slip sleeve (10), and the left and right parts of the rod body (1) are provided with threaded sections (12); one end of the threaded section (12) is fixedly covered with an inner baffle (11), and the other end of the threaded section (12) is assembled with the locking horizontal insertion rod structure (5); the locking vertical insertion rod structure (2) is installed between the threaded section (12) and the locking horizontal insertion rod structure (5); a plurality of weight plates (3) are covered on the threaded section (12), and a limit adjustment structure (4) is provided on the outer side of the outer group of weight plates (3).

2. A dumbbell quick adjustment locking mechanism according to claim 1, characterized in that: The anti-slip sleeve (10) is made of silicone rubber, and the anti-slip sleeve (10) is located between the two sets of inner baffles (11).

3. A dumbbell quick adjustment locking mechanism according to claim 1, characterized in that: The threaded section (12) is provided with a transverse insertion hole (15), and the locking transverse insertion rod structure (5) is inserted into the transverse insertion hole (15). A through hole (50) is provided on the locking transverse insertion rod structure (5), and a second rotating disk (51) is provided at the rear end of the locking transverse insertion rod structure (5). At the same time, the locking transverse insertion rod structure (5) and the transverse insertion hole (15) are split and connected.

4. A dumbbell quick adjustment locking mechanism according to claim 1, characterized in that: The outer sides of the threaded section (12) are both provided with notches (13), and a vertical insertion hole (14) is provided between the two groups of notches (13). The middle part of the locking vertical insertion rod structure (2) is inserted into the corresponding vertical insertion hole (14) and the through hole (50), and the locking vertical insertion rod structure (2) is a detachable structure.

5. A dumbbell quick adjustment locking mechanism according to claim 4, characterized in that: The locking vertical insertion rod structure (2) is provided with connecting heads (20) at both upper and lower ends, and each set of connecting heads (20) is threadedly screwed with an external twist cover (21).

6. A dumbbell quick adjustment locking mechanism according to claim 1, characterized in that: The front end of the position limiting adjustment structure (4) is provided with an outer baffle plate (40), the rear outer side of the position limiting adjustment structure (4) is provided with a first rotating disk (41), and the upper and lower ends of the first rotating disk (41) are provided with handles (42), and the position limiting adjustment structure (4) and the threaded section (12) are split and connected.

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