Leg exercise device

Abstract

The utility model provides a leg exercising device, which relates to the field of exercising equipment and comprises a front support and a fixed pulley. The support comprises a front support and a rear support, the upper portion of the front support is fixedly connected with the base, the upper portion of the rear support is fixedly connected with two sets of U-shaped sliding rails, and the sliding rails are fixedly connected to the two sides of the front end of the base; handles are arranged on the two sides of the upper portion of the base, and sponge cushions are arranged on the handles in a sleeving mode; a seat cushion is arranged above the base; when a leg pedals the pedal forwards, the pedal bypasses the fixed pulley through the pull rope to lift the bearing plate and the balancing weight upwards, resistance is formed for the forward stretching action of the leg, the leg retracts when the leg stretches to the limit, the bearing plate automatically falls under the action of gravity, the pedal is pulled back through the pull rope, and the leg repeats the bending and stretching action. Therefore, the purpose of training leg muscles is achieved; the exercise strength can be adjusted by changing the number of balancing weights placed on the bearing plate; the problems that an existing leg exercise device is poor in comfort, and the exercise intensity is inconvenient to adjust are solved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of exercise equipment, more specifically, it relates to a leg exercise device. BACKGROUND

[0002] The patient in the neurology department often appears the condition of walking difficulty due to the leg muscle atrophy caused by the surgical trauma or long time immobility after operation, needs someone to help walk, and the patient needs to use the exercise equipment to help the patient to enhance the leg muscle and quickly establish more neural synapse connection in order to help the patient to recover quickly and return to the life and work after operation. UTILITY MODEL CONTENTS

[0003] In order to solve the above technical problems, the utility model provides a leg exercise device to solve the problems of poor comfort and inconvenient adjustment of exercise intensity of the existing leg exercise equipment.

[0004] The utility model provides a leg exercise device, which is achieved by the following specific technical means:

[0005] A leg exercise device, comprising a front support and a fixed pulley, the support comprises a front support and a rear support, wherein the front support is fixedly connected with a base at the top, the rear support is fixedly connected with two groups of U-shaped sliding rails at the top, and the sliding rails are fixedly connected to the two sides of the front end of the base; handles are arranged on the two sides of the top of the base, and sponge soft pads are sleeved on the handles; a seat cushion is arranged on the top of the base; two groups of fixed plates are fixedly connected to the rear of the base, a square lower fixed frame is rotatably connected to the upper end of the fixed plate through a rotating support, and a square upper fixed frame is welded to the upper end of the lower fixed frame; a back cushion is fixed to the front side of the upper fixed frame; a headrest is fixed to the front side of the upper fixed frame; a pedal is slidably connected in a sliding groove between the two groups of sliding rails; a pull rope is tied to the pedal in the horizontal direction, the pull rope is hung down after passing through the fixed pulley, the fixed pulley is rotatably installed on a C-shaped rotating support, and the two ends of the rotating support are welded to the inner side of the front support; the end of the pull rope hanging down is tied to a bearing plate; a bottom plate is fixedly connected to the bottom of the front support, and two groups of vertical guide rods are arranged on the bottom plate; the bearing plate is slidably inserted into the guide rods.

[0006] Further, a strip-shaped limiting hole is formed on the plate surface of the two groups of sliding rails along the sliding groove; a group of limiting pins is arranged above the two sides of the pedal, and the limiting pins are limited in the strip-shaped limiting hole of the sliding rail.

[0007] Further, a plurality of sets of counterweights are placed on the bearing plate; a relief hole is formed on the counterweight, and the pull rope is threaded through the relief hole; anti-skid stripes are arranged above the counterweight, and grooves are formed below the anti-skid stripes and are embedded with the anti-skid stripes.

[0008] Further, the seat cushion, the back cushion and the headrest are all filled with slow-rebound memory cotton.

[0009] Further, the first connecting plate is fixedly connected between the two sets of fixed plates; the second connecting plate is fixedly connected in the lower fixed frame; the extension plate is fixedly connected to the first connecting plate, the threaded sleeve is rotationally connected to the end of the extension plate through the first rotating rod, and the adjusting lead screw is engaged in the threaded sleeve.

[0010] Further, the adjusting lead screw is provided with a lever at one end and is rotationally inserted into the movable sleeve at the other end; the second rotating rod is fixedly connected to the two sides of the movable sleeve; the rotating support plate is rotationally inserted into the second rotating rod; and the rotating support plate is fixedly connected to one side of the second connecting plate.

[0011] Compared with the prior art, the utility model has the beneficial effects that:

[0012] 1、The utility model discloses a leg flexion and extension mechanism, when the leg is forward to the pedal, the pedal is pulled up the bearing plate and the counterweight through the pull rope, and the resistance is formed to the leg forward action, and the leg is retracted when the leg is stretched to the limit, and the bearing plate is automatically fallen under the action of gravity, and the pedal is pulled back through the pull rope, and the leg repeats the flexion and extension action, thereby the purpose of training the leg muscle is achieved, and the intensity of exercise can be adjusted by changing the number of counterweights placed on the bearing plate.

[0013] 2、The utility model discloses a backrest adjusting mechanism, if the back cushion and the headrest are not suitable when exercising, the lever is rotated and drives the adjusting lead screw to rotate in the threaded sleeve, the distance between the first rotating rod and the second rotating rod is changed, the inclination angle between the lower fixed frame and the upper fixed frame relative to the fixed plate is adjusted, the inclination angle of the back cushion and the headrest is changed, and the most suitable and comfortable angle is achieved. DRAWINGS

[0014] Figure 1 It is the first visual angle view of the utility model.

[0015] Figure 2 It is the second visual angle view of the utility model.

[0016] Figure 3 It is the structural schematic view of the leg flexion and extension mechanism of the utility model.

[0017] Figure 4 It is the structural schematic view of the backrest adjusting mechanism of the utility model.

[0018] Figure 5 is the structure of the counterweight block of the utility model

[0019] In the figure, the correspondence between the component names and the drawing numbers is as follows:

[0020] 1, front support; 2, rear support; 3, base; 4, sliding track; 5, handle; 6, sponge cushion; 7, cushion; 8, fixed plate; 9, rotating support; 10, lower fixed frame; 11, upper fixed frame; 12, first connecting plate; 13, extension plate; 14, first rotating rod; 15, threaded sleeve; 16, adjusting lead screw; 17, lever; 18, movable sleeve; 19, second rotating rod; 20, rotating support plate; 21, second connecting plate; 22, back cushion; 23, headrest; 24, pedal; 25, limit pin; 26, pull rope; 27, fixed pulley; 28, rotating support rod; 29, bearing plate; 30, bottom plate; 31, guide rod; 32, counterweight. DETAILED DESCRIPTION

[0021] The embodiments of the utility model will be further described in detail below in combination with the drawings and examples. The following examples are used to illustrate the utility model, but cannot be used to limit the scope of the utility model. EXAMPLE

[0022] As shown in the accompanying Figure 1 to the accompanying Figure 5 As shown:

[0023] The utility model provides a kind of leg exercise device, including front support 1, fixed pulley 27;Support includes front support 1 and rear support 2, wherein the upper fixed connection base 3 of front support 1, the upper fixed connection two groups U-shaped sliding track 4 of rear support 2, sliding track 4 is fixedly connected in the bottom base 3 front end two sides;The upper side of base 3 is provided with handle 5, and sponge cushion 6 is sleeved on handle 5;Base 3 is padded with cushion 7;Two groups of fixed plates 8 are fixedly connected to the rear of base 3, and the upper end of fixed plate 8 is rotatably connected with square lower fixed frame 10 by rotating support 9, and square upper fixed frame 11 is welded on the upper end of lower fixed frame 10;Back cushion 22 is fixed on the front side of lower fixed frame 10;Headrest 23 is fixed on the front side of upper fixed frame 11;Pedal 24 is slidably connected in sliding groove between two groups of sliding tracks 4;A pull rope 26 is tied in horizontal direction on pedal 24, and pull rope 26 is lowered after passing through fixed pulley 27, and fixed pulley 27 is rotatably installed on C-shaped rotating support rod 28, and rotating support rod 28 is welded on the inner side of front support 1;The lower end of pull rope 26 is tied with bearing plate 29;Bottom plate 30 is fixedly connected to the bottom of front support 1, and two groups of vertical guide rods 31 are arranged on bottom plate 30;Bearing plate 29 is slidably inserted into guide rod 31.

[0024] Among them, as Figure 3As shown in the drawings, the upper surface of the two groups of sliding tracks 4 is provided with a strip-shaped limiting hole along the sliding groove; a group of limiting pins 25 is arranged above the two sides of the pedal 24, and the limiting pins 25 are limited in the strip-shaped limiting hole of the sliding track 4; the user sits on the cushion 7 and pedals the pedal 24 to stretch and bend the legs.

[0025] As shown in the drawings, the upper surface of the two groups of sliding tracks 4 is provided with a strip-shaped limiting hole along the sliding groove; a group of limiting pins 25 is arranged above the two sides of the pedal 24, and the limiting pins 25 are limited in the strip-shaped limiting hole of the sliding track 4; the user sits on the cushion 7 and pedals the pedal 24 to stretch and bend the legs. Figure 3 As shown in the drawings, the upper surface of the two groups of sliding tracks 4 is provided with a strip-shaped limiting hole along the sliding groove; a group of limiting pins 25 is arranged above the two sides of the pedal 24, and the limiting pins 25 are limited in the strip-shaped limiting hole of the sliding track 4; the user sits on the cushion 7 and pedals the pedal 24 to stretch and bend the legs.

[0026] As shown in the drawings, the upper surface of the two groups of sliding tracks 4 is provided with a strip-shaped limiting hole along the sliding groove; a group of limiting pins 25 is arranged above the two sides of the pedal 24, and the limiting pins 25 are limited in the strip-shaped limiting hole of the sliding track 4; the user sits on the cushion 7 and pedals the pedal 24 to stretch and bend the legs. Figure 1 As shown in the drawings, the upper surface of the two groups of sliding tracks 4 is provided with a strip-shaped limiting hole along the sliding groove; a group of limiting pins 25 is arranged above the two sides of the pedal 24, and the limiting pins 25 are limited in the strip-shaped limiting hole of the sliding track 4; the user sits on the cushion 7 and pedals the pedal 24 to stretch and bend the legs.

[0027] As shown in the drawings, the upper surface of the two groups of sliding tracks 4 is provided with a strip-shaped limiting hole along the sliding groove; a group of limiting pins 25 is arranged above the two sides of the pedal 24, and the limiting pins 25 are limited in the strip-shaped limiting hole of the sliding track 4; the user sits on the cushion 7 and pedals the pedal 24 to stretch and bend the legs. Figure 4 As shown in the drawings, the upper surface of the two groups of sliding tracks 4 is provided with a strip-shaped limiting hole along the sliding groove; a group of limiting pins 25 is arranged above the two sides of the pedal 24, and the limiting pins 25 are limited in the strip-shaped limiting hole of the sliding track 4; the user sits on the cushion 7 and pedals the pedal 24 to stretch and bend the legs.

[0028] The specific use mode and effect of the embodiment are as follows:

[0029] The utility model discloses, need to sit on the cushion 7 when exercising, back leans back pad 22, provide support through waist and back, leg power forward to step out pedal 24, and pedal 24 is passed through the fixed pulley 27 to the load plate 29 and counterweight 32 of pull rope 26 roundabout and pull up, the resistance of leg forward stretching action is formed, and after stretching to the limit, the leg is bent back, and the above-mentioned steps are repeated, can reach the purpose of training leg muscle, through the quantity of counterweight 32 placed on load plate 29, the intensity of the exercise can be adjusted, if feeling that back pad 22 and headrest 23 inclination angle is not suitable when exercising, can rotate the adjusting screw rod 16 in the threaded sleeve 15 rotation with the rotation of the drive rod 17, to change the interval of first rotating rod 14 and second rotating rod 19, thereby adjusting the inclination angle between lower fixed frame 10 and upper fixed frame 11 relative to fixed plate 8, thereby change the inclination angle of back pad 22 and headrest 23, until reaching the angle of suitable and comfortable.

[0030] The utility model discloses not detailed, all be the known technology of the person skilled in the art.

Claims

1. A leg exercise device characterized by: The utility model provides a kind of front support (1), fixed pulley (27);The support includes front support (1) and rear support (2), wherein the upper fixed connection base (3) of front support (1), the upper fixed connection two groups U-shaped sliding rail (4) of rear support (2), sliding rail (4) is fixedly connected in the bottom base (3) front end both sides;The handle (5) is provided with on the both sides of the upper base (3), and sponge cushion (6) is sleeved on handle (5);The cushion (7) is placed on the upper base (3);The rear of base (3) is fixedly connected two groups fixed plate (8), and the upper end of fixed plate (8) is rotatably connected square lower fixed frame (10) by rotating support (9), and the upper end of lower fixed frame (10) is welded square upper fixed frame (11);The back pad (22) is fixed on the front side of lower fixed frame (10);The headrest (23) is fixed on the front side of upper fixed frame (11);Two groups sliding rail (4) between slidingly connected with pedal (24) in sliding slot;Pedal (24) is tied with a pull rope (26) in horizontal direction, and pull rope (26) is lowered after passing fixed pulley (27), and fixed pulley (27) is rotatably installed on C-shaped rotating support rod (28), and rotating support rod (28) both ends are welded in the inner side of front support (1);The end of pull rope (26) is tied with bearing plate (29);The bottom of front support (1) is fixedly connected bottom plate (30), and two groups vertical guide rods (31) are arranged on bottom plate (30);The bearing plate (29) is slidably inserted into guide rod (31).

2. A leg exercise device as claimed in claim 1, characterized in that: The upper plate of two groups sliding rail (4) is provided with strip-shaped limiting hole along sliding slot;The upper side of both sides of pedal (24) is provided with a group of limiting pins (25), and limiting pin (25) is limited in the strip-shaped limiting hole of sliding rail (4).

3. A leg exercise device as claimed in claim 1, characterized in that: A plurality of counterweight blocks (32) are placed on the bearing plate (29);A relief hole is formed in the counterweight block (32), and the pull rope (26) passes through the relief hole;Anti-skid stripes are provided on the upper side of the counterweight block (32), and grooves are formed on the lower side of the counterweight block (32) to be engaged with the anti-skid stripes.

4. A leg exercise device as claimed in claim 1, characterized in that: The slow-rebound memory cotton is filled in the cushion (7), the back pad (22) and the headrest (23).

5. A leg exercise device as claimed in claim 1, characterized in that: The first connecting plate (12) is fixedly connected between the two groups of fixed plates (8);The second connecting plate (21) is fixedly connected in the lower fixed frame (10);The extension plate (13) is fixedly connected on the first connecting plate (12), and the threaded sleeve (15) is rotatably connected on the end of the extension plate (13) through the first rotating rod (14), and the adjusting screw (16) is engaged in the threaded sleeve (15).

6. A leg exercise device as claimed in claim 5, characterised in that: The adjusting screw (16) is provided with the lever (17) on one end, and the other end is rotatably inserted into the movable sleeve (18), and the second rotating rod (19) is fixedly connected on the both sides of the movable sleeve (18), and the movable support plate (20) is rotatably inserted into the second rotating rod (19), and the movable support plate (20) is fixedly connected on one side of the second connecting plate (21).

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