Leg clamping device with adjustable gears

Abstract

The leg clamping device comprises a first supporting seat and a second supporting seat which are connected in a rotating mode, a torsion spring is arranged between the first supporting seat and the second supporting seat, an adjusting knob is connected to the first supporting seat in a rotating mode, and a positioning assembly is arranged between the first supporting seat and the adjusting knob. The positioning assembly is used for fixing the position of the adjusting knob after rotation, a linkage block is arranged on the adjusting knob, an adjusting cavity is formed in the second supporting seat, the linkage block extends into the adjusting cavity, and an adjusting spring is arranged between the linkage block and the adjusting cavity. In the using process of the product, after the linkage block abuts against the adjusting spring, the adjusting spring can be matched with the torsional spring to jointly provide clamping resistance, a user rotates the adjusting knob to different gears so as to change the process section where the adjusting spring participates in providing the clamping resistance, and therefore various gear selections of clamping resistance changes are provided for the user, and the user experience is improved. And the daily exercise requirement of the user can be better met.

Description

TECHNICAL FIELD

[0001] The utility model relates to fitness equipment field especially a kind of leg clamping device with adjustable gear. BACKGROUND

[0002] In daily life, people lack exercise due to long sitting office, resulting in physical quality gradually sliding, especially hip and leg part, prone to muscle relaxation after long sitting. For this, leg clamping device for exercising hip and leg part appears in prior art, and the leg clamping device includes two support plates relatively rotatable, and the connecting part of the two support plates is provided with torsional spring to provide resistance, and user clamps the leg clamping device to combine legs to achieve exercise effect. But the current leg clamping device cannot adjust the size of clamping resistance, so that user cannot realize progressive exercise. SUMMARY

[0003] To solve the above problems, the utility model provides a kind of leg clamping device with adjustable gear.

[0004] The technical scheme adopted by the utility model is: a kind of leg clamping device with adjustable gear, including rotationally connected first support seat and second support seat, torsional spring is equipped between the first support seat and the second support seat, the first support seat is rotationally connected with adjusting knob, positioning assembly is equipped between the first support seat and the adjusting knob, adjusting knob is equipped with linkage block, adjusting cavity is equipped in the second support seat, linkage block extends into adjusting cavity, adjusting spring is equipped between linkage block and adjusting cavity.

[0005] Further, the first support seat is equipped with limiting hole, the linkage block extends into the adjusting cavity through the limiting hole.

[0006] Further, the first support seat is equipped with rotation groove, the adjusting knob is rotationally connected in the rotation groove, and the limiting hole is arranged on the bottom surface of the rotation groove.

[0007] Further, the positioning assembly includes positioning button slidably connected with the first support seat and positioning boss arranged on the adjusting knob, the positioning button is equipped with positioning groove, and the positioning boss is fixedly connected with the positioning groove in clamping mode.

[0008] Further, the first support seat is equipped with sliding groove, the positioning button is slidably connected in the sliding groove, the side wall of the sliding groove is equipped with anti-extraction groove, the side of the positioning button is equipped with anti-extraction boss, the anti-extraction boss is slidably connected in the anti-extraction groove, and the positioning button and the sliding groove are equipped with reset spring between them.

[0009] Further, the positioning boss is zigzag-shaped, and the positioning groove is also zigzag-shaped correspondingly.

[0010] Further, the second support seat is provided with a central shaft, the first support seat is provided with a rotating hole, the central shaft is rotatably connected in the rotating hole, and the adjusting cavity is annular and arranged around the central shaft.

[0011] Further, the first support seat and the second support seat are rotatably connected with support plates respectively, and the second support seat is provided with a counter.

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

[0013] The utility model discloses a first support seat, a second support seat and torsion spring between the two, the first support seat is rotatably connected with adjusting knob and positioning assembly, and the positioning assembly is used for fixing the position after adjusting knob rotation, and the second support seat is equipped with adjusting cavity, and the adjusting cavity is equipped with adjusting spring, and the adjusting knob is equipped with linkage block that enters adjusting cavity, and in the use process, linkage block and adjusting spring abut after being provided with clamping resistance together with torsion spring. BRIEF DESCRIPTION OF DRAWINGS

[0014] In order to more clearly illustrate the technical scheme in the embodiment of the utility model or prior art, the following will briefly introduce the drawing needed to be used in the embodiment or prior art description, and obviously, the drawing in the following description is only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to the structure shown in these drawings without creative labor.

[0015] Figure 1 It is the first explosion structure schematic drawing of the utility model,

[0016] Figure 2 It is the overall structure schematic drawing of the utility model,

[0017] Figure 3 It is the first support seat explosion structure schematic drawing of the utility model,

[0018] Figure 4 It is the second support seat internal structure schematic drawing of the utility model,

[0019] Utility model label information is as follows:

[0020] 1, first support seat; 11, adjusting knob; 111, linkage block; 112, positioning boss; 12, positioning assembly; 121, positioning button; 122, anti-dropping boss; 123, return spring; 124, positioning groove; 13, rotating groove; 131, limiting hole; 14, sliding groove; 141, anti-dropping groove; 15, rotating hole; 2, second support seat; 21, adjusting cavity; 22, adjusting spring; 23, center shaft; 24, counter; 3, torsional spring; 4, support plate;

[0021] The realization, functional features and advantages of the utility model will be further described with reference to the drawings in combination with embodiments. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0023] The utility model provides a kind of adjustable gear's clamping leg device, including the first support seat 1 and second support seat 2 of rotation connection, the first support seat 1 with the second support seat 2 between being equipped with torsional spring 3, refer to Figure 1 The first support seat 1 is rotationally connected with adjusting knob 11, and positioning assembly 12 is arranged between the first support seat 1 and the adjusting knob 11, the positioning assembly 12 is used to fix the position of adjusting knob 11 after rotation adjustment, the adjusting knob 11 is provided with linkage block 111, the second support seat 2 is provided with adjusting cavity 21, the linkage block 111 extends into the adjusting cavity 21, the adjusting spring 22 is arranged between the linkage block 111 and the adjusting cavity 21, and the adjusting spring 22 can abut against the linkage block 111 to generate resistance. The clamping resistance of the product can be provided by torsional spring 3 alone or by torsional spring 3 and adjusting spring 22 in combination during use.

[0024] As Figure 2As shown, three gears are arranged on the first support base 1, when the adjusting knob 11 is aligned with the gear 1, the linkage block 111 is farthest from the end of the adjusting spring 22, the user clamps the two support bases with both legs, and the linkage block 111 does not contact the adjusting spring 22 during the whole movement process, and only the torsional spring 3 provides clamping resistance during the use of this gear; when the adjusting knob 11 is aligned with the gear 2, the linkage block 111 is moderately distant from the end of the adjusting spring 22, during the user's exercise, only the torsional spring 3 provides clamping resistance in the first half of the movement, and after the movement process is half, the linkage block 111 contacts the adjusting spring 22, and then the torsional spring 3 and the adjusting spring 22 jointly provide clamping resistance; when the adjusting knob 11 is aligned with the gear 3, the linkage block 111 directly abuts the end of the adjusting spring 22, and the torsional spring 3 and the adjusting spring 22 jointly provide clamping resistance during the whole movement. It can be known from the above adjusting principle that the gears in the product can be arranged in multiple to provide multiple different clamping resistance effects for the user to choose.

[0025] Referring to Figure 3 , the first support base 1 is provided with a limiting hole 131, and the linkage block 111 extends into the adjusting cavity 21 through the limiting hole 131. The limiting hole 131 cooperates with the linkage block 111 to limit the rotation range of the adjusting knob 11, so as to avoid damage to the adjusting spring 22 caused by excessive rotation of the adjusting knob 11.

[0026] Referring to Figure 1 , the first support base 1 is provided with a rotating groove 13, and the adjusting knob 11 is rotatably connected in the rotating groove 13, and the limiting hole 131 is arranged on the bottom surface of the rotating groove 13, referring to Figure 2 , it can be seen that the adjusting knob 11 is hidden in the rotating groove 13 as a whole, and the two can be connected by screws or bolts to ensure that the adjusting knob 11 is always located in the rotating groove 13 during rotation.

[0027] Referring to Figure 1 , the positioning assembly 12 includes a positioning button 121 slidably connected with the first support base 1 and a positioning boss 112 arranged on the adjusting knob 11, and the positioning button 121 is provided with a positioning groove 124, and the user changes the clamping state of the positioning boss 112 and the positioning groove 124 by controlling the up-down sliding of the positioning button 121, and after the clamping state is released, the user can rotate the adjusting knob 11 to adjust the gear.

[0028] Referring to Figure 3The first support base 1 is provided with a sliding groove 14, the positioning button 121 is slidingly connected in the sliding groove 14, the side wall of the sliding groove 14 is provided with an anti-disengagement groove 141, the side edge of the positioning button 121 is provided with an anti-disengagement boss 122, the anti-disengagement boss 122 is slidingly connected with the anti-disengagement groove 141, so as to limit the sliding distance of the positioning button 121, and the positioning button 121 is provided with a reset spring 123 between the sliding groove 14, the reset spring 123 is used for pushing the positioning button 121 to reset upwards, so as to ensure that the positioning button 121 is clamped with the adjusting knob 11.

[0029] Preferably, the positioning boss 112 is sawtooth-shaped, the positioning groove 124 is also sawtooth-shaped, and the inclined surface of the sawtooth shape is arranged in the rotating direction of the adjusting knob 11, so that the user can rotate the adjusting knob 11.

[0030] Referring to Figure 4 The first support base 1 is provided with a rotating hole 15, the center shaft 23 is rotatingly connected in the rotating hole 15, the adjusting cavity 21 is annular and surrounds the center shaft 23, and the adjusting spring 22 is also arc-shaped, so as to be attached to the adjusting cavity 21.

[0031] Referring to Figure 2 The first support base 1 and the second support base 2 are respectively provided with a support plate 4, the surface of the support plate 4 is arc-shaped, the support plate 4 is used for attaching to the inner side of the thigh of the user to increase the contact area, and the second support base 2 is provided with a counter 24, so as to quantify the exercise times for the user to refer to.

[0032] The above only is preferred implementation manner of the utility model, the protection scope of the utility model is not only limited to the above-mentioned embodiment, and belongs to the protection scope of the utility model for the technical scheme under the idea of the utility model.

Claims

1. A gear-adjustable leg-clamping device, comprising a first support base and a second support base connected in rotation, a torsion spring being arranged between the first support base and the second support base, characterized in that: The first support seat is rotationally connected with an adjusting knob, a positioning assembly is arranged between the first support seat and the adjusting knob, the adjusting knob is provided with a linkage block, the second support seat is internally provided with an adjusting cavity, the linkage block extends into the adjusting cavity, and an adjusting spring is arranged between the linkage block and the adjusting cavity.

2. A variable ratio leg clamp according to claim 1 wherein: The first support seat is provided with a limiting hole, and the linkage block extends into the adjusting cavity through the limiting hole.

3. A variable ratio leg clamp according to claim 2 wherein: The first support seat is provided with a rotating groove, the adjusting knob is rotationally connected in the rotating groove, and the limiting hole is arranged on the bottom surface of the rotating groove.

4. The adjustable legging of claim 1, wherein: The positioning assembly comprises a positioning button in sliding connection with the first support seat and a positioning boss arranged on the adjusting knob, the positioning button is provided with a positioning groove, and the positioning boss is in clamping and fixing connection with the positioning groove.

5. A variable ratio leg clamp according to claim 4 wherein: The first support seat is provided with a sliding groove, the positioning button is in sliding connection in the sliding groove, a side wall of the sliding groove is provided with an anti-falling groove, a side edge of the positioning button is provided with an anti-falling boss, the anti-falling boss is in sliding connection in the anti-falling groove, and a return spring is arranged between the positioning button and the sliding groove.

6. A variable ratio leg clamp according to claim 4 wherein: The positioning boss is in a zigzag shape, and the positioning groove is also in a zigzag shape in correspondence.

7. The adjustable legging of claim 1, wherein: The second support seat is provided with a central shaft, the first support seat is provided with a rotating hole, the central shaft is in rotational connection in the rotating hole, and the adjusting cavity is in an annular shape and is arranged around the central shaft.

8. The adjustable legged gripper of claim 1, wherein: The first support seat and the second support seat are respectively rotationally connected with support plates, and the second support seat is provided with a counter.

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