Barbell clamping head

Abstract

The barbell clamping head comprises an inner shell and an outer shell which can be movably hooped on the inner shell, the inner shell is in a hollow cylinder shape, can be movably hooped on a barbell and comprises a first end and a second end, a plurality of arc-shaped notches are formed in the cylinder wall of the first end at intervals in the circumferential direction, and the arc-shaped notches are connected with the outer shell. An arc-shaped elastic piece is arranged in the arc-shaped notch in an extending mode in the direction of the second end, and the arc-shaped elastic piece can be squeezed relative to the barbell under the action of external force. The shell locks or loosens the barbell through the arc-shaped elastic pieces. The barbell clamping head is simple in structure and convenient to operate, and due to the arrangement of the arc-shaped elastic pieces, when the outer shell axially moves relative to the inner shell, the barbell can be locked or loosened through the arc-shaped elastic pieces on the inner shell.

Description

Technical Field

[0001] The utility model relates to the technical field of fitness equipment accessories, in particular to a barbell clamp. Background Art

[0002] The barbell clamp is an indispensable and important accessory in weight training. Its main function is to ensure that the barbell plates can be firmly fixed on the barbell, improve the safety and stability of training, and help athletes better complete various training movements, thereby improving training results.

[0003] The existing barbell clamp needs to assemble several components together when in use, and has a complex structure and cumbersome operation, which brings inconvenience to the user. Utility Model Content

[0004] The utility model provides a barbell clamp, through the ingenious design of the inner shell and the outer shell, when the outer shell moves axially relative to the inner shell, the barbell is locked or released through the arc-shaped spring piece on the inner shell. The specific scheme is as follows:

[0005] A barbell clamp, comprising:

[0006] An inner shell, the inner shell is in a hollow cylindrical shape, can be movably hooped on the barbell, comprises a first end and a second end, a cylinder wall of the first end is provided with a plurality of arc-shaped notches spaced apart in a circumferential direction, an arc-shaped spring sheet is provided in the arc-shaped notch extending toward the second end, and the arc-shaped spring sheet can be squeezed relative to the barbell under the action of an external force;

[0007] The outer shell can be movably hooped on the inner shell and can lock or release the barbell through the arc-shaped spring piece.

[0008] Furthermore, an arc-shaped boss is formed at the end of the arc-shaped spring piece, and the outer diameter of the arc-shaped boss is larger than the outer diameter of the inner shell; the outer shell locks or releases the barbell through the arc-shaped boss.

[0009] Further, the outer shell includes a third end arranged on the same side as the first end and a fourth end arranged on the same side as the second end, the inner diameter of the third end is equal to the outer diameter of the arc-shaped boss; the inner wall of the fourth end forms an annular boss that cooperates with the arc-shaped boss in axial movement, and the inner diameter of the annular boss is equal to the outer diameter of the inner shell;

[0010] When unlocking, the fourth end of the outer shell is pushed to the port of the second end of the inner shell, and the third end of the outer shell is hooped on the arc-shaped boss, and the arc-shaped boss is loosened relative to the barbell;

[0011] When locking, the third end of the outer shell is pushed to the port of the first end of the inner shell, and the annular boss of the outer shell is hooped on the arc boss, and the arc boss is locked relative to the barbell.

[0012] Furthermore, the barbell clamp also includes an anti-skid pad, which is arranged on the inner wall of the inner shell and corresponding to the arc-shaped boss.

[0013] Furthermore, a retaining ring is provided at the port of the first end to prevent the housing from slipping off the first end.

[0014] Furthermore, a plurality of slots are provided at intervals along the circumferential direction at the port of the second end, and a stopper is extended in the slot to prevent the housing from slipping off the second end.

[0015] Furthermore, a gripping portion is provided at the port of the fourth end, and the gripping portion is in a circular ring shape.

[0016] Furthermore, a first inclined surface is formed on both sides of the arc-shaped boss; and a second inclined surface is formed at the connection between the annular boss and the third end, so as to facilitate the user to push the shell.

[0017] Furthermore, the slope of the second inclined surface is smaller than the slope of the first inclined surface.

[0018] The beneficial effects of the utility model are as follows: the barbell clamp of the utility model has a simple structure and is easy to operate. Through the arrangement of the arc-shaped spring piece, when the outer shell moves axially relative to the inner shell, the barbell can be locked or released through the arc-shaped spring piece on the inner shell. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a structural schematic diagram of a barbell clamp of the utility model;

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

[0021] Figure 3 This is a structural schematic diagram of an inner shell of a barbell clamp of the utility model;

[0022] Figure 4 It is a cross-sectional view of an inner shell of a barbell clamp of the utility model;

[0023] Figure 5 It is a cross-sectional view of a shell of a barbell clamp of the utility model;

[0024] Numbers in the figure: 1, inner shell; 11, first end; 12, second end; 111, arc-shaped notch; 112, arc-shaped spring piece; 113, retaining ring; 1121, arc-shaped boss; 121, notch; 1211, block; 2, outer shell; 21, third end; 22, fourth end; 221, annular boss; 222, gripping part; 3, anti-slip pad. DETAILED DESCRIPTION

[0025] It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0026] In order to enable those skilled in the art to better understand the solution of the utility model, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is only a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in the field without creative work should fall within the scope of protection of the utility model.

[0027] like Figure 1 , 2 As shown in Figures 3 and 4, the utility model provides a barbell clamp, comprising an inner shell 1 that can be movably hooped on the barbell and an outer shell 2 that can be movably hooped on the inner shell 1. When the outer shell 2 moves axially relative to the inner shell 1, the barbell can be locked or released through the inner shell 1.

[0028] Specifically, the inner shell 1 is a hollow cylinder, and its inner diameter is matched with the barbell, so that the inner shell 1 can fit the barbell and move axially relative to the barbell, including a first end 11 and a second end 12. The cylinder wall of the first end 11 is provided with a plurality of arc-shaped notches 111 spaced apart in the circumferential direction, and an arc-shaped spring piece 112 is provided in the arc-shaped notch 111 extending toward the second end 12, and the arc-shaped spring piece 112 can be gathered and squeezed relative to the barbell; the outer shell 2 can be movably hooped on the inner shell 1, and the barbell can be locked or loosened through the arc-shaped spring piece 112. Furthermore, an arc-shaped boss 1121 is formed at the end of the arc-shaped spring piece 112, and the outer diameter of the arc-shaped boss 1121 is larger than the outer diameter of the inner shell 1. The outer shell 2 includes a third end 21 disposed on the same side as the first end 11 and a fourth end 22 disposed on the same side as the second end 12. The inner diameter of the third end 21 is equal to the outer diameter of the arc-shaped boss 1121, and the inner wall of the fourth end 22 forms an annular boss 221 that cooperates with the axial movement of the arc-shaped boss 1121. When unlocking is required, the fourth end 22 of the outer shell 2 is pushed to the port of the second end 12 of the inner shell 1, and the third end 21 of the outer shell 2 is hooped on the arc-shaped boss 1121 of the inner shell 1, and the arc-shaped boss 1121 is loosened relative to the barbell and can move axially relative to the barbell; when locking is required, the third end 21 of the outer shell 2 is pushed to the port of the first end 11 of the inner shell 1, and the annular boss 221 of the fourth end 22 of the outer shell 2 is hooped on the arc-shaped boss 1121 of the inner shell 1, and the arc-shaped boss 1121 is locked relative to the barbell, so that the clamp can be fixed and locked on the barbell.

[0029] Preferably, in order to increase the friction between the barbell and the clamp head and improve the stability of the clamp head fixation, the inner wall of the inner shell 1 is also provided with an anti-skid pad 3, and the anti-skid pad 3 is correspondingly arranged with the arc-shaped boss 1121.

[0030] Furthermore, in order to restrict the outer shell 2 between the two ends of the inner shell 1 and prevent the outer shell 2 from slipping off the two ends of the inner shell 1, a retaining ring 113 is provided at the port of the first end 11 of the inner shell 1, and a plurality of slots 121 are provided at intervals along the circumferential direction at the port of the second end 12 of the inner shell 1, and a stopper 122 is extended in the slot 121, wherein the outer diameter of the retaining ring 113 is larger than the inner diameter of the third end 21 of the outer shell 2, and the outer diameter of the stopper 122 is larger than the inner diameter of the fourth end 22 of the outer shell 2.

[0031] Furthermore, in order to facilitate the user to hold, a holding portion 222 is provided at the port of the fourth end 22 of the housing 2, and the holding portion 222 is in a circular ring shape.

[0032] Furthermore, in order to facilitate the user to push the shell 2, a first slope is formed on both sides of the arc-shaped boss 1121, and a second slope is formed at the connection between the annular boss 221 and the third end 21, and the slope of the second slope is smaller than the slope of the first slope. When the user needs to lock or release the clamp, the shell 2 can be pushed to the corresponding position with just a little force.

[0033] When in use, push the outer shell 2 of the barbell clamp to the stopper 122 of the inner shell 1, then put the inner shell 1 on the outer wall of the barbell, move it to the corresponding position, and then push the outer shell 2 to the stop ring 113 of the inner shell 1, so that the barbell clamp can be locked and fixed at the corresponding position of the barbell. The operation is simple and convenient, and it is easy for users to use.

[0034] The above are only some embodiments of the present invention. For those skilled in the art, several modifications and improvements can be made without departing from the inventive concept of the present invention, which all belong to the protection scope of the present invention.

Claims

1. A barbell clamp, characterized in that: include: An inner shell (1), the inner shell (1) is in the shape of a hollow cylinder and can be movably hooped on a barbell, comprising a first end (11) and a second end (12), the cylinder wall of the first end (11) being provided with a plurality of arc-shaped notches (111) spaced apart in a circumferential direction, an arc-shaped spring sheet (112) extending in the arc-shaped notch (111) toward the second end (12), and the arc-shaped spring sheet (112) can be squeezed relative to the barbell under the action of an external force; The outer shell (2) is movably sleeved on the inner shell (1) and can lock or release the barbell through the arc-shaped spring piece (112).

2. The barbell clamp according to claim 1, characterized in that: An arc-shaped boss (1121) is formed at the end of the arc-shaped spring piece (112), and the outer diameter of the arc-shaped boss (1121) is greater than the outer diameter of the inner shell (1); the outer shell (2) locks or releases the barbell via the arc-shaped boss (1121).

3. The barbell clamp according to claim 2, characterized in that: The outer shell (2) comprises a third end (21) arranged on the same side as the first end (11) and a fourth end (22) arranged on the same side as the second end (12); the inner diameter of the third end (21) is equal to the outer diameter of the arc-shaped boss (1121); the inner wall of the fourth end (22) forms an annular boss (221) that is axially movable with the arc-shaped boss (1121); the inner diameter of the annular boss (221) is equal to the outer diameter of the inner shell (1); When unlocking, the fourth end (22) of the outer shell (2) is pushed to the port of the second end (12) of the inner shell (1), and the third end (21) of the outer shell (2) is then hooped on the arc-shaped boss (1121), and the arc-shaped boss (1121) is loosened relative to the barbell; When locking, the third end (21) of the outer shell (2) is pushed to the port of the first end (11) of the inner shell (1), and the annular boss (221) of the outer shell (2) is then clamped on the arc-shaped boss (1121), and the arc-shaped boss (1121) is locked relative to the barbell.

4. The barbell clamp according to claim 2, characterized in that: It also includes an anti-skid pad (3), which is arranged on the inner wall of the inner shell (1) and is corresponding to the arc-shaped boss (1121).

5. The barbell clamp according to claim 1, characterized in that: A retaining ring (113) is provided at the port of the first end (11) to prevent the housing (2) from slipping off the first end (11).

6. The barbell clamp according to claim 1, characterized in that: A plurality of slots (121) are provided at intervals along the circumferential direction at the port of the second end (12), and a stopper (122) is provided extending inside the slot (121) to prevent the housing (2) from slipping off the second end (12).

7. The barbell clamp according to claim 3, characterized in that: A gripping portion (222) is provided at the port of the fourth end (22), and the gripping portion (222) is in the shape of a circular ring.

8. The barbell clamp according to claim 3, characterized in that: The two sides of the arc-shaped boss (1121) form a first inclined surface; the connection between the annular boss (221) and the third end (21) forms a second inclined surface, which facilitates the user to push the housing (2).

9. The barbell clamp according to claim 8, characterized in that: The slope of the second inclined surface is smaller than the slope of the first inclined surface.

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