Leg clamping trainer

Abstract

The utility model discloses a leg clamping training device which comprises an operating arm, a connecting shaft, a base, a blocking piece, an elastic piece and an adjusting piece, the blocking piece abuts against a pressing portion of the operating arm, elastic force exerted by the elastic piece acts on the operating arm through the blocking piece and the pressing portion, and the adjusting piece is spirally rotated relative to the base, so that the tightness degree of the elastic piece can be adjusted. Equivalently, the elasticity of the elastic piece acting on the operating arm through the blocking piece and the pressing part is adjusted, so that the convenience of adjusting the exercise intensity of the leg clamping trainer is improved.

Description

Technical Field

[0001] The utility model relates to fitness equipment, in particular to a leg clamping training device. Background Art

[0002] In the related art, a leg clamp trainer includes two splints, which are rotatably connected and can be closed together. A damping adjustment component is arranged between the two splints. The damping adjustment component can adjust the force required for the two splints to close together, that is, it can adjust the exercise intensity of the leg clamp trainer. How to set the structure of the damping adjustment component to facilitate the adjustment of the exercise intensity is a technical problem. Utility Model Content

[0003] In order to overcome the deficiencies and existing problems in the prior art, the utility model provides a leg clamping training device, which has the advantage of convenient adjustment of exercise intensity.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] A leg clamp trainer comprises an operating arm, a connecting shaft, a base, a blocking member, an elastic member and an adjusting member, wherein the operating arm is rotatably connected to the connecting shaft, the base is rotatably connected to the connecting shaft, the blocking member is slidably connected to the base, the adjusting member is threadedly connected to the base, the elastic member is located between the blocking member and the adjusting member, the elastic member is in a compressed state, the operating arm comprises a first accommodating portion, at least part of the blocking member is located in the first accommodating portion, the operating arm comprises a pressing portion, the pressing portion is formed in the first accommodating portion, and under the action of the elastic member, the blocking member can abut against the pressing portion.

[0006] Preferably, there are two operating arms, and the two operating arms are limit-connected, and the first accommodating portions of the two operating arms cooperate to form a first accommodating groove, at least part of the connecting shaft is located in the first accommodating groove, at least part of the base is located in the first accommodating groove, at least part of the blocking member is located in the first accommodating groove, and the pressing portion is located in the first accommodating groove.

[0007] Preferably, the operating arm comprises an extension portion and a leg support portion, the extension portion extends from the first accommodating portion toward the radially outer side of the first accommodating groove, and the leg support portion is located at one end of the extension portion away from the first accommodating portion.

[0008] Preferably, the base has an axial groove and a threaded hole, the blocking member includes an axial portion, the axial portion is slidably connected to the axial groove, at least part of the axial portion is located in the axial groove, the axial direction of the axial portion is consistent with the axial direction of the axial groove, the axial groove is connected to the threaded hole, the threaded hole is located on one axial side of the axial portion, the axial direction of the axial groove is consistent with the axial direction of the threaded hole, the adjusting member is threadedly connected to the threaded hole, and the elastic member is located in the axial groove.

[0009] Preferably, the blocking member includes a blocking portion, the blocking portion is located at the other axial side of the shaft portion, at least part of the blocking portion is located at the first accommodating portion, and under the action of the elastic member, the blocking portion can abut against the pressing portion.

[0010] Preferably, the blocking portion includes a first transition surface, which is located on a side of the blocking portion away from the shaft portion, and the first transition surface smoothly transitions to the radially outer side of the shaft portion. Under the action of the elastic member, the first transition surface can abut against the pressing portion.

[0011] Preferably, the first accommodating portion includes an inner circumferential surface, the pressing portion is protruded relative to the inner circumferential surface, the pressing portion includes a second transition surface, the second transition surface smoothly transitions to the inner circumferential surface, and under the action of the elastic member, the first transition surface can abut against the second transition surface.

[0012] Compared with the prior art, the utility model has the following outstanding and beneficial technical effects:

[0013] In a leg clamp trainer disclosed in this embodiment, a blocking member abuts against a pressing portion, and the elastic force exerted by the elastic member acts on an operating arm via the blocking member and the pressing portion. The tightness of the elastic member can be adjusted by spirally rotating the adjusting member relative to the base, which is equivalent to adjusting the elastic force of the elastic member acting on the operating arm via the blocking member and the pressing portion. Such an arrangement improves the convenience of adjusting the exercise intensity of the leg clamp trainer. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is one of the three-dimensional structural schematic diagrams of the embodiment of the utility model;

[0015] Figure 2 This is the second schematic diagram of the three-dimensional structure of the embodiment of the utility model;

[0016] Figure 3 This is one of the cross-sectional structural schematic diagrams of an embodiment of the utility model;

[0017] Figure 4 This is the second schematic cross-sectional structure diagram of an embodiment of the utility model;

[0018] Figure 5This is one of the exploded structure schematic diagrams of the embodiment of the utility model;

[0019] Figure 6 This is the second schematic diagram of the explosion structure of the embodiment of the utility model;

[0020] In the figure: 1-operating arm, 2-connecting shaft, 3-base, 4-blocking member, 5-elastic member, 6-adjusting member, 7-first accommodating groove, 11-first accommodating portion, 12-extension portion, 13-leg supporting portion, 111-pressing portion, 112-inner circumferential surface, 1111-second transition surface, 31-axis groove, 32-threaded hole, 41-axis portion, 42-blocking portion, 421-first transition surface. DETAILED DESCRIPTION

[0021] In order to facilitate the understanding of those skilled in the art, the utility model is further described below in conjunction with the accompanying drawings and specific embodiments.

[0022] like Figures 1 to 6 As shown, this embodiment provides a leg clamp trainer, including an operating arm 1, a connecting shaft 2, a base 3, a blocking member 4, an elastic member 5 and an adjusting member 6. The operating arm 1 is rotatably connected to the connecting shaft 2, and the base 3 is rotatably connected to the connecting shaft 2. The rotation direction of the operating arm 1 relative to the connecting shaft 2 is consistent with the rotation direction of the base 3 relative to the connecting shaft 2.

[0023] The blocking member 4 is slidably connected to the base 3, and the adjusting member 6 is threadedly connected to the base 3. When the adjusting member 6 is spirally rotated on the base 3, the adjusting member 6 can move toward the blocking member 4 or away from the blocking member 4. The elastic member 5 is located between the blocking member 4 and the adjusting member 6. The elastic member 5 is in a compressed state. The elastic member 5 can provide an elastic force to force the blocking member 4 away from the adjusting member 6. The operating arm 1 includes a first accommodating portion 11, which is roughly barrel-shaped. The axial direction of the connecting shaft 2 is consistent with the axial direction of the first accommodating portion 11. The sliding direction of the blocking member 4 relative to the base 3 is consistent with the radial direction of the first accommodating portion 11. At least part of the blocking member 4 is located in the first accommodating portion 11. The operating arm 1 includes a pressing portion 111, which is formed in the first accommodating portion 11 and is located on the peripheral side of the first accommodating portion 11. Under the action of the elastic member 5, the blocking member 4 can abut against the pressing portion 111.

[0024] In the leg clamp trainer, the blocking member 4 abuts against the pressing portion 111, and the elastic force exerted by the elastic member 5 acts on the operating arm 1 through the blocking member 4 and the pressing portion 111. The tightness of the elastic member 5 can be adjusted by spirally rotating the adjusting member 6 relative to the base 3, which is equivalent to adjusting the elastic force of the elastic member 5 acting on the operating arm 1 through the blocking member 4 and the pressing portion 111. This arrangement improves the convenience of adjusting the exercise intensity of the leg clamp trainer.

[0025] In a possible implementation, there are two operating arms 1, and the two operating arms 1 are rotatably connected to the same connecting shaft 2. The two operating arms 1 are connected together by limiting the connecting shaft 2. The first accommodating portions 11 of the two operating arms 1 cooperate to form a first accommodating groove 7. Part of the connecting shaft 2 is located in the first accommodating groove 7, part of the base 3 is located in the first accommodating groove 7, part of the blocking member 4 is located in the first accommodating groove 7, and the pressing portion 111 is located in the first accommodating groove 7. Such an arrangement is conducive to improving the structural compactness of the leg clamp trainer.

[0026] In one possible implementation, the operating arm 1 includes an extension portion 12 and a leg support portion 13. The extension portion 12 extends from the first accommodating portion 11 to the radially outer side of the first accommodating groove 7. The leg support portion 13 is located at one end of the extension portion 12 away from the first accommodating portion 11. The first accommodating portion 11 and the leg support portion 13 are located at both ends of the extension portion 12. The leg support portion 13 can support the user's legs. The extension portion 12 increases the force arm when the user's legs apply force. Such a setting is conducive to the user's legs applying force to the leg support portion 13.

[0027] In one possible implementation, the base 3 has an axial groove 31 and a threaded hole 32, the axial groove 31 extends radially outward from the first accommodating groove 7, and the threaded hole 32 is located on the side of the axial groove 31 away from the first accommodating groove 7, the blocking member 4 includes a shaft portion 41, the shaft portion 41 is slidably connected to the axial groove 31, at least part of the shaft portion 41 is located in the axial groove 31, the axial direction of the shaft portion 41 is consistent with the axial direction of the axial groove 31, the axial groove 31 is connected to the threaded hole 32, the threaded hole 32 is located on one axial side of the shaft portion 41, the axial direction of the shaft groove 31 is consistent with the axial direction of the threaded hole 32, the adjusting member 6 is threadedly connected to the threaded hole 32, the elastic member 5 is located in the axial groove 31, the shaft portion 41 is located at one end of the elastic member 5, and the adjusting member 6 is located at the other end of the elastic member 5. Such an arrangement further improves the convenience of adjusting the exercise intensity of the leg clamp trainer.

[0028] In one possible implementation, the blocking member 4 includes a blocking portion 42, which is located on the other axial side of the shaft portion 41, and the elastic member 5 and the blocking portion 42 are located on both axial sides of the shaft portion 41. At least part of the blocking portion 42 is located in the first accommodating portion 11. Under the action of the elastic member 5, the blocking portion 42 can abut against the pressing portion 111.

[0029] In one possible implementation, the blocking portion 42 is symmetrical about the axial direction of the shaft portion 41, and the blocking portion 42 includes a first transition surface 421. There are two first transition surfaces 421, and the two first transition surfaces 421 correspond to the two operating arms 1 one by one. The first transition surface 421 is located on the side of the blocking portion 42 away from the shaft portion 41, and the first transition surface 421 smoothly transitions to the radial outer side of the shaft portion 41. The first transition surface 421 is roughly an inwardly concave arc surface. Under the action of the elastic member 5, the first transition surface 421 can abut the pressing portion 111. When the two operating arms 1 rotate relative to each other, the pressing portion 111 slides smoothly on the first transition surface 421. Such a setting is conducive to improving the sliding smoothness of the two operating arms 1.

[0030] In one possible implementation, the first accommodating portion 11 includes an inner circumferential surface 112, and the inner wall forming the first accommodating groove 7 includes the inner circumferential surface 112. The cross-section of the inner circumferential surface 112 is arc-shaped. The pressing portion 111 is protruded relative to the inner circumferential surface 112. The pressing portion 111 includes a second transition surface 1111. The second transition surface 1111 includes at least one of an arcuate surface and an inclined surface. The second transition surface 1111 smoothly transitions to the inner circumferential surface 112. Under the action of the elastic member 5, the first transition surface 421 can abut against the second transition surface 1111. When the two operating arms 1 rotate relative to each other, the second transition surface 1111 slides smoothly on the first transition surface 421. Such a setting is conducive to improving the sliding smoothness of the two operating arms 1.

[0031] 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 leg clamp training device, characterized in that: The invention comprises an operating arm (1), a connecting shaft (2), a base (3), a blocking member (4), an elastic member (5) and an adjusting member (6); the operating arm (1) is rotatably connected to the connecting shaft (2); the base (3) is rotatably connected to the connecting shaft (2); the blocking member (4) is slidably connected to the base (3); the adjusting member (6) is threadedly connected to the base (3); the elastic member (5) is located between the blocking member (4) and the adjusting member (6); the elastic member (5) is in a compressed state; the operating arm (1) comprises a first accommodating portion (11); at least a portion of the blocking member (4) is located in the first accommodating portion (11); the operating arm (1) comprises a pressing portion (111); the pressing portion (111) is formed in the first accommodating portion (11); under the action of the elastic member (5), the blocking member (4) can abut against the pressing portion (111).

2. A leg clamp training device according to claim 1, characterized in that: There are two operating arms (1), and the two operating arms (1) are limit-connected. The first receiving portions (11) of the two operating arms (1) cooperate to form a first receiving groove (7), at least part of the connecting shaft (2) is located in the first receiving groove (7), at least part of the base (3) is located in the first receiving groove (7), at least part of the blocking member (4) is located in the first receiving groove (7), and the pressing portion (111) is located in the first receiving groove (7).

3. A leg clamp training device according to claim 2, characterized in that: The operating arm (1) comprises an extension portion (12) and a leg support portion (13); the extension portion (12) extends from the first accommodating portion (11) to the radially outer side of the first accommodating groove (7); and the leg support portion (13) is located at one end of the extension portion (12) away from the first accommodating portion (11).

4. A leg clamp training device according to any one of claims 1 to 3, characterized in that: The base (3) has an axial groove (31) and a threaded hole (32); the blocking member (4) includes an axial portion (41); the axial portion (41) is slidably connected to the axial groove (31); at least a portion of the axial portion (41) is located in the axial groove (31); the axial direction of the axial portion (41) is consistent with the axial direction of the axial groove (31); the axial groove (31) is connected to the threaded hole (32); the threaded hole (32) is located on one axial side of the axial portion (41); the axial direction of the axial groove (31) is consistent with the axial direction of the threaded hole (32); the adjusting member (6) is threadedly connected to the threaded hole (32); and the elastic member (5) is located in the axial groove (31).

5. A leg clamp training device according to claim 4, characterized in that: The blocking member (4) comprises a blocking portion (42), wherein the blocking portion (42) is located at the other axial side of the shaft portion (41), and at least part of the blocking portion (42) is located at the first accommodating portion (11). Under the action of the elastic member (5), the blocking portion (42) can abut against the pressing portion (111).

6. A leg clamp training device according to claim 5, characterized in that: The blocking portion (42) comprises a first transition surface (421), the first transition surface (421) being located on a side of the blocking portion (42) away from the shaft portion (41), the first transition surface (421) smoothly transitioning toward the radial outer side of the shaft portion (41), and under the action of the elastic member (5), the first transition surface (421) being able to abut against the pressing portion (111).

7. The leg clamp training device according to claim 6, characterized in that: The first accommodating portion (11) comprises an inner circumferential surface (112), the pressing portion (111) is arranged to protrude relative to the inner circumferential surface (112), the pressing portion (111) comprises a second transition surface (1111), the second transition surface (1111) smoothly transitions to the inner circumferential surface (112), and under the action of the elastic member (5), the first transition surface (421) can abut against the second transition surface (1111).

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