CN112451924A

CN112451924A - Leg exerciser

Info

Publication number: CN112451924A
Application number: CN202011336368.7A
Authority: CN
Inventors: 葛明巧
Original assignee: Individual
Current assignee: Edong Healthcare Group City Central Hospital
Priority date: 2020-11-25
Filing date: 2020-11-25
Publication date: 2021-03-09
Anticipated expiration: 2040-11-25
Also published as: CN112451924B

Abstract

The invention discloses a leg exerciser, which comprises a first connecting plate, wherein the right side surface of the first connecting plate is vertically and symmetrically and fixedly connected with two second connecting plates, the front side surface of each second connecting plate is provided with a first chute with a forward opening, the adjacent side surfaces of the two second connecting plates are respectively and fixedly connected with a third connecting plate, and the adjacent side surfaces of the two third connecting plates are respectively and fixedly connected with a fourth connecting plate.

Description

Leg exerciser

Technical Field

The invention belongs to the field of sports, and particularly relates to a leg exerciser.

Background

People are when taking exercise the shank, can inevitable exercise the muscle of shank, most people do not want the thick and strong again of shank exercise, especially to some women, traditional shank exercise equipment, taken exercise thigh and shank, the user uses the back for a long time, the shank can become thick and strong, influence pleasing to the eye, and the shank becomes after being thick and strong, if the user still wants to continue taking exercise, the shank can be more thick and strong, according to doctor's suggestion, after the shank becomes thick and strong, massage and patting the shank and become thin to the shank have the effect, consequently, need to design a can take exercise thigh muscle alone and carry out the exerciser of massage to the shank urgently.

Disclosure of Invention

The invention provides a leg exerciser for exercising thighs and massaging lower legs in order to overcome the defects of the prior art.

In order to achieve the purpose, the invention adopts the following technical scheme: a leg exerciser comprises a first connecting plate, wherein the right side surface of the first connecting plate is fixedly connected with two second connecting plates in a vertically symmetrical manner, the front side surface of each second connecting plate is provided with a first chute with a forward opening, the adjacent sides of the two second connecting plates are respectively fixedly connected with a third connecting plate, the adjacent sides of the two third connecting plates are respectively fixedly connected with a fourth connecting plate, the front side surface of each fourth connecting plate is provided with a second chute with a forward opening, the right end surfaces of the two fourth connecting plates are fixedly connected with a fifth connecting plate, the lower side surfaces of the first connecting plate and the fifth connecting plate are provided with four supporting legs for supporting the exerciser, two of the supporting legs are fixedly connected with the lower side surface of the first connecting plate in a front-back symmetrical manner, the other two supporting legs are fixedly connected with the lower side surface of the first connecting plate in, the upper side of each second connecting plate is provided with a fixing device for fixing legs and a massaging device for massaging crus in a sliding manner, and the upper sides of the two fourth connecting plates are provided with adjusting devices for users to take in a sliding manner.

In the above leg exerciser, the fixing device includes a first slider slidably connected to the first sliding groove, a third hinge block is fixedly connected to an upper end surface of the first slider, the third hinge block is located on an upper side surface of the second connecting plate, a second hinge block is hinged to an upper end of the third hinge block, a lower leg fixing plate is fixedly connected to an upper side surface of the second hinge block, two third sliding grooves with forward openings are symmetrically formed in the lower leg fixing plate, a second slider is slidably connected to each third sliding groove, a first spring is fixedly connected between a left side surface of each second slider and a corresponding left side wall of the third sliding groove, foot supporting plates for supporting feet of a user are fixedly connected to upper end surfaces of the two second sliders, the foot supporting plates are located on upper side surfaces of the lower leg fixing plates, and a first movable strap for fixing legs is fixedly connected to upper side surfaces of the lower leg fixing plates, first activity bandage is prior art, no longer gives unnecessary details, first activity bandage is located foot's backup pad right side, the annular surface fixed mounting has the first rubber ring of rubber material in the first activity bandage, the shank quilt when first activity bandage is fixed, people's leg can be avoided by the strangle injury to first rubber ring.

In the leg exerciser, a first hinge block is fixedly connected to the right end face of each shank fixing plate, a thigh fixing plate is hinged to each first hinge block, a fourth chute with a front opening and a rear opening is formed in each thigh fixing plate, a supporting block is fixedly connected to the side face of each second connecting plate, each supporting block abuts against the hinge position of the corresponding first hinge block and the hinge position of the corresponding thigh fixing plate, and the supporting blocks support the hinge positions of the first hinge blocks and the hinge positions of the thigh fixing plates.

In the above leg exerciser, the massage device comprises fixing blocks fixedly connected to two sides of the thigh fixing plates, the fixing blocks are fixedly connected to the two sides of the thigh fixing plates, the fixing blocks are provided with semicircular toothed rings on the lower side surfaces, the front side surfaces of the shank fixing plates are rotatably connected with driving gear shafts, the driving gear shafts are fixedly connected with driving gears, the driving gears are meshed with inner teeth of the toothed rings, transmission grooves are formed in the shank fixing plates, the driving gear shafts extend backwards to enter the transmission grooves, the driving gear shafts are rotatably connected with the front side walls of the transmission grooves and the front side surfaces of the shank fixing plates, the rear ends of the driving gear shafts are connected with universal joints, the left sides of the universal joints are connected with transmission shafts, gear grooves are formed in the shank fixing plates and are located on the left sides of the transmission grooves, the transmission shafts extend leftwards to penetrate through the left side walls of the transmission grooves to enter the gear grooves, the transmission shaft and with the transmission groove left side wall with rotate between the gear groove right side wall and be connected.

In the above leg exerciser, the massage device further comprises a first gear fixedly connected to the transmission shaft, the first gear is located in the gear groove, a second gear shaft is rotatably connected between the front and rear side walls of the gear groove, the second gear shaft is located on the right side of the transmission shaft, a second gear is fixedly connected to the second gear shaft, two rotating rods are symmetrically and fixedly connected to the front side surface of the second gear from top to bottom, the second gear is meshed with the first gear, a third gear shaft is rotatably connected between the front and rear side walls of the gear groove, a third gear is fixedly connected to the third gear shaft, the third gear shaft is located on the left side of the transmission shaft, the third gear is meshed with the first gear, a fourth gear shaft is rotatably connected between the front and rear side walls of the gear groove, and the fourth gear shaft is located on the left side of the third gear shaft, a fourth gear is fixedly connected to a fourth gear shaft, the fourth gear is meshed with the third gear, two abutting rods are fixedly connected to the front side surface of the fourth gear in a vertically symmetrical mode, two bilaterally symmetrical fifth chutes are communicated with the upper side wall of the gear groove, a turnover shaft is rotatably connected between the front side wall and the rear side wall of each fifth chute, an upright rod is fixedly connected to each turnover shaft, a torsion spring for keeping the upright rod in an upright state is arranged at the joint of the upright rod and the turnover shaft, one end of the torsion spring is fixedly connected with the turnover shaft, the other end of the torsion spring is fixedly connected with the upright rod, the upright rod at the left side can abut against the abutting rods, the upright rod at the right side can abut against the rotating rod, the lower end of the upright rod is of an inclined surface structure, and the abutting rods and the upright rods can abut against the upright rods conveniently, the clamping is avoided, the beating plate is fixedly connected to the upper end face of each upright rod, and the rubber pads are fixedly connected to the adjacent side faces of the two beating plates respectively.

In the above leg exerciser, the adjusting device includes a second movable binding band fixedly mounted on the front side of each thigh fixing plate, the second movable binding band is of the prior art and is not repeated, the second movable binding band is located on the right side of the hinged position of the thigh fixing plate and the shank fixing plate, a second rubber ring made of rubber is fixedly mounted on the inner annular surface of the second movable binding band, when the thigh is fixed by the second movable binding band, the second rubber ring can prevent the legs from being tightened, seats for users are arranged on the upper sides of the two thigh fixing plates, the seats are located on the right side of the second movable binding band, a mounting block is fixedly connected to the lower side of the seats, four third sliding blocks are fixedly connected to the lower side of the mounting block, the four third sliding blocks are divided into two groups in the front-back direction, and two groups are arranged in the horizontal direction, every group the third slider is corresponding sliding connection in the second spout, two head rods of symmetry fixedly connected with around the downside of seat left end, two a side fixedly connected with slide bar respectively that the head rod kept away from each other, every the slide bar is corresponding sliding connection in the fourth spout.

In summary, the invention has the following advantages: this device simple structure can use many people to use, and the user can adjust different exercise positions according to the size of self, and this device has only tempered the thigh simultaneously, has avoided when the shank is tempered, and the thigh shank is tempered simultaneously, leads to the rugosity of shank to become, and the influence is pleasing to the eye, pat the massage to the shank when tempering, helps shank to become thin.

Drawings

FIG. 1 is a top view of the present invention;

FIG. 2 is a front view of the present invention;

FIG. 3 is a cross-sectional view of the step at A-A in FIG. 1;

FIG. 4 is a cross-sectional view of the step at B-B in FIG. 2;

FIG. 5 is an enlarged view of a portion of FIG. 3 at C;

fig. 6 is a schematic structural diagram of a 1.

In the figure, a lower leg fixing plate 10; a third chute 11; a first spring 12; a foot support plate 13; a first movable strap 14; a fifth chute 15; a clapper 16; a toothed ring 19; a second movable strap 20; a first hinge block 21; a thigh fixing plate 23; a seat 24; a third connecting plate 25; a fourth connecting plate 26; a second hinge block 27; a third hinge block 28; support legs 29; a fixed block 31; a fourth chute 32; a slide lever 33; a first connecting rod 34; a mounting block 35; a second slider 36; a first rubber ring 38; a first slider 39; a first chute 40; a second rubber ring 42; a third slider 43; a second chute 44; a universal joint 45; a transmission groove 46; a transmission shaft 47; a gear groove 48; a first gear 49; a butting rod 50; the upright rod 51; a third gear shaft 52; a third gear 53; a turning shaft 54; a torsion spring 55; a first connecting plate 57; a drive gear 58; a drive gear shaft 59; a second connecting plate 60; a fourth gear shaft 61; a fourth gear 62; a second gear shaft 63; a second gear 64; rotating the rod 65; a fifth connecting plate 66; a support block 67.

Detailed Description

Referring to fig. 1, 2, 3 and 6, a leg exerciser includes a first connecting plate 57, as shown in fig. 6, two second connecting plates 60 are fixedly connected to the right side of the first connecting plate 57 in an up-down symmetrical manner, a first sliding slot 40 is formed in the front side of each second connecting plate 60, a third connecting plate 25 is fixedly connected to the adjacent sides of the two second connecting plates 60, a fourth connecting plate 26 is fixedly connected to the adjacent sides of the two third connecting plates 25, a second sliding slot 44 is formed in the front side of each fourth connecting plate 26, a fifth connecting plate 66 is fixedly connected to the right side of the two fourth connecting plates 26, as shown in fig. 2, four support legs 29 for supporting the exerciser are provided on the lower sides of the first connecting plate 57, two of the support legs 29 are fixedly connected to the lower side of the first connecting plate 57 in a front-to-back symmetrical manner, the other two supporting legs 29 are fixedly connected to the lower side of the first connecting plate 57 in a front-back symmetrical manner, a fixing device A2 for fixing the leg and a massage device A3 for massaging the lower leg are arranged on the upper side of each second connecting plate 60 in a sliding manner, and an adjusting device A4 for a user to sit is arranged on the upper side of the two fourth connecting plates 26 in a sliding manner.

As shown in fig. 3, the fixing device a2 includes a first slide block 39 slidably connected in the first sliding groove 40, a third hinge block 28 is fixedly connected to an upper end surface of the first slide block 39, the third hinge block 28 is located on an upper side surface of the second connecting plate 60, a second hinge block 27 is hinged to an upper end of the third hinge block 28, and a lower leg fixing plate 10 is fixedly connected to an upper side surface of the second hinge block 27; as shown in fig. 1, two third sliding grooves 11 with forward openings are symmetrically formed in the lower leg fixing plate 10 from top to bottom; as shown in fig. 3, a second slider 36 is slidably connected in each third sliding slot 11, a first spring 12 is fixedly connected between the left side surface of each second slider 36 and the corresponding left side wall of the third sliding slot 11, a foot support plate 13 for a user to step on is fixedly connected to the upper end surface of each second slider 36, the foot support plate 13 is located on the upper side surface of the lower leg fixing plate 10, a first movable strap 14 for fixing a leg is fixedly connected to the upper side surface of the lower leg fixing plate 10, the first movable strap 14 is the prior art and is not repeated, the first movable strap 14 is located on the right side of the foot support plate 13, a first rubber ring 38 made of rubber material is fixedly installed on the inner ring surface of the first movable strap 14, and when the leg is fixed by the first movable strap 14, the first rubber ring 38 can prevent the human leg from being tightened. When the foot-fixing device is used, a user abuts the sole of the foot with the foot supporting plate 13, the foot of the user pushes the foot supporting plate 13 to drive the second sliding block 36 to compress the first spring 12 according to the length of the lower leg of the user, and meanwhile, the user fixes the lower leg in the first movable binding band 14.

As shown in fig. 1, a first hinge block 21 is fixedly connected to the right end face of each shank fixing plate 10, and a thigh fixing plate 23 is hinged to each first hinge block 21; as shown in fig. 3, a fourth sliding slot 32 with a front opening and a rear opening is formed in each thigh fixing plate 23, a supporting block 67 is fixedly connected to the upper side of each second connecting plate 60, each supporting block 67 abuts against the corresponding hinge joint of the first hinge block 21 and the thigh fixing plate 23, and the supporting block 67 supports the hinge joint of the first hinge block 21 and the thigh fixing plate 23.

As shown in fig. 1, the massage device a3 includes a fixing block 31 fixedly connected to a side surface of the two thigh fixing plates 23 away from each other; as shown in fig. 2, a semicircular toothed ring 19 is fixedly connected to the lower side surface of the fixed block 31, a driving gear shaft 59 is rotatably connected to the front side surface of the lower leg fixing plate 10, a driving gear 58 is fixedly connected to the driving gear shaft 59, and the driving gear 58 is engaged with inner ring teeth of the toothed ring 19; as shown in fig. 5, drive gear shaft 46 has been seted up in the shank fixed plate 10, drive gear shaft 59 extends backward and enters into in the drive groove 46, drive gear shaft 59 with the preceding lateral wall of drive groove 46 with rotate between the leading flank of shank fixed plate 10 and connect, drive gear shaft 59 rear end is connected with universal joint 45, universal joint 45 left side is connected with transmission shaft 47, gear groove 48 has been seted up in the shank fixed plate 10, gear groove 48 is located the drive groove 46 left side, transmission shaft 47 extends to run through to the left the drive groove 46 left lateral wall enters into in the gear groove 48, transmission shaft 47 and with rotate between the drive groove 46 left side wall and the gear groove 48 right side wall and connect.

As shown in fig. 4, the massage device a3 further includes a first gear 49 fixedly connected to the transmission shaft 47, the first gear 49 is located in the gear groove 48, a second gear shaft 63 is rotatably connected between the front and rear side walls of the gear groove 48, the second gear shaft 63 is located on the right side of the transmission shaft 47, a second gear 64 is fixedly connected to the second gear shaft 63, two rotating rods 65 are symmetrically and vertically fixedly connected to the front side surface of the second gear 64, the second gear 64 is engaged with the first gear 49, a third gear shaft 52 is rotatably connected between the front and rear side walls of the gear groove 48, a third gear 53 is fixedly connected to the third gear shaft 52, the third gear shaft 52 is located on the left side of the transmission shaft 47, the third gear 53 is engaged with the first gear 49, and a fourth gear shaft 61 is rotatably connected between the front and rear side walls of the gear groove 48, the fourth gear shaft 61 is positioned at the left side of the third gear shaft 52, a fourth gear 62 is fixedly connected to the fourth gear shaft 61, the fourth gear 62 is meshed with the third gear 53, two abutting rods 50 are fixedly connected to the front side surface of the fourth gear 62 in an up-down symmetrical manner, two fifth sliding chutes 15 which are bilaterally symmetrical are arranged on the upper side wall of the gear groove 48 in a communicating manner, a turning shaft 54 is rotatably connected between the front side wall and the rear side wall of each fifth sliding chute 15, an upright rod 51 is fixedly connected to each turning shaft 54, a torsion spring 55 for keeping the upright rod 51 in an upright state is arranged at the joint of the upright rod 51 and the turning shaft 54, one end of the torsion spring 55 is fixedly connected with the turning shaft 54, the other end of the torsion spring 55 is fixedly connected with the upright rod 51, the upright rod 51 at the left side can abut against the abutting rods 50, and the upright rod 51 at the right side can abut against, the lower end of each upright rod 51 is of an inclined surface structure, so that the abutting rod 50 and the rotating rod 65 can be abutted against the upright rods 51 to avoid being clamped, the upper end surface of each upright rod 51 is fixedly connected with a beating plate 16, and the adjacent side surfaces of the two beating plates 16 are respectively and fixedly connected with a rubber pad. When the leg bending device is used, when a user bends a leg, the leg fixing plate 10 is driven to rotate anticlockwise around the hinge joint of the leg fixing plate 10 and the thigh fixing plate 23, so that the driving gear 58 is driven to rotate around the toothed ring 19, the driving gear 58 rotates, the driving gear 58 drives the driving gear shaft 59 to rotate, the driving gear shaft 59 drives the transmission shaft 47 to rotate through the universal joint 45, the transmission shaft 47 drives the first gear 49 to rotate, the first gear 49 drives the second gear 64 to rotate, the second gear 64 drives the rotating rod 65 to rotate, the rotating rod 65 is continuously abutted against the lower end of the upright rod 51 in the rotating process, and when the rotating rod 65 is abutted against the lower end of the upright rod 51 on the right side, the upright rod 51 on the right side is driven to rotate anticlockwise around the turning shaft 54, thereby driving the clapper 16 to separate from the calf, when the rotating rod 65 no longer abuts against the right upright rod 51, the right upright rod 51 is reset under the elastic force of the torsion spring 55, and simultaneously the right upright rod 51 is driven to rotate clockwise, so that the rubber pad on the clapper 16 beats the calf, when the first gear 49 rotates, the third gear 53 is driven to rotate, the third gear 53 drives the fourth gear 62 to rotate, the fourth gear 62 drives the abutting rod 50 to rotate, so that the abutting rod 50 abuts against the left upright rod 51, so as to drive the left upright rod 51 to rotate clockwise, so as to drive the left clapper 16 to separate from the calf, when the abutting rod 50 no longer abuts against the left upright rod 51, the left upright rod 51 is reset under the elastic force of the torsion spring 55, meanwhile, the left upright rod 51 is driven to rotate clockwise, so that the rubber pad on the beating plate 16 beats the calf, the calf is beaten in the motion process, and the calf slimming is facilitated.

As shown in fig. 1, the adjusting device a4 includes a second movable strap 20 fixedly installed on the front side of each thigh fixing plate 23, the second movable strap 20 is prior art and will not be described again, the second movable strap 20 is located on the right side of the hinge joint of the thigh fixing plate 23 and the shank fixing plate 10, a second rubber ring 42 made of rubber is fixedly installed on the inner annular surface of the second movable strap 20, and when the thigh is fixed by the second movable strap 20, the second rubber ring 42 can prevent the leg from being injured by strangulation; as shown in fig. 3, seats 24 for a user to sit are arranged on the upper sides of the two thigh fixing plates 23, the seats 24 are located on the right side of the second movable strap 20, an installation block 35 is fixedly connected to the lower side of the seat 24, four third sliding blocks 43 are fixedly connected to the lower side of the installation block 35, the four third sliding blocks 43 are divided into two groups in the front-rear direction, each group is provided with two third sliding blocks in the horizontal direction, each group of the third sliding blocks 43 is slidably connected in the corresponding second sliding slot 44, and two first connecting rods 34 are symmetrically and fixedly connected to the lower side of the left end of the seat 24 in the front-rear direction; as shown in fig. 2, two mutually distant sides of the first connecting rods 34 are fixedly connected with sliding rods 33, and each sliding rod 33 is slidably connected in the corresponding fourth sliding groove 32. When the chair is used, a user sits on the chair 24, the knee joint of the leg is placed right above the hinged part of the shank fixing plate 10 and the thigh fixing plate 23 according to the length of the leg, the position of the chair 24 is adjusted according to the riding comfort level while the adjustment is carried out, so that when the knee joint is placed above the hinged part, the thigh is in a horizontal state, in the adjustment process of the chair 24, the chair 24 drives the third sliding block 43 to slide in the second sliding groove 44 through the mounting block 35, and simultaneously drives the first connecting rod 34 to slide in the fourth sliding groove 32, after the adjustment is finished, the thigh is fixed by using the second movable binding belt 20, then the thigh of the user is forcefully lifted upwards, so that the included angle between the thigh and the shank is gradually reduced from 180 degrees, and in the process, the massage device A3 continuously beats the shank, at the same time, the thigh fixing plate 23 rotates around the joint with the lower leg fixing plate 10, the sliding rod 33 rotates in the fourth sliding slot 32, and at the same time, the lower leg fixing plate 10 drives the third hinge block 28 and the first sliding block 39 to slide in the first sliding slot 40 through the second hinge block 27 when rotating around the joint, so that only the muscles of the thigh are exercised.

In the initial state, the second slider 36 is located at the rightmost side of the third sliding chute 11, the upright rod 51 is in the upright state, and the lower leg fixing plate 10 and the thigh fixing plate 23 are at the same horizontal line.

The working principle is as follows: when the chair is used, a user sits on the chair 24, the knee joint of the leg is placed right above the hinged part of the shank fixing plate 10 and the thigh fixing plate 23 according to the length of the leg, the position of the chair 24 is adjusted according to the riding comfort level by the user while the adjustment is carried out, so that when the knee joint is positioned above the hinged part, the thigh is in a horizontal state, in the adjustment process of the chair 24, the chair 24 drives the third sliding block 43 to slide in the second sliding groove 44 through the mounting block 35, and simultaneously drives the first connecting rod 34 to slide in the fourth sliding groove 32, the user fixes the thigh by using the second movable bandage 20 after the adjustment is finished, meanwhile, the user abuts the sole against the foot supporting plate 13, according to the length of the shank of the user, the foot of the user pushes the foot supporting plate 13 to drive the second sliding block 36 to compress the first spring 12, and simultaneously fixes, then the thigh of the user is lifted upwards with force, so that the included angle between the thigh and the shank is gradually reduced from 180 degrees, in the process, the human leg drives the shank fixing plate 10 to rotate anticlockwise around the hinge joint of the shank fixing plate 10 and the thigh fixing plate 23 through the first movable binding band 14 and the second movable binding band 20, so as to drive the driving gear 58 to rotate around the toothed ring 19, the driving gear 58 rotates, the driving gear 58 drives the driving gear shaft 59 to rotate, the driving gear shaft 59 drives the transmission shaft 47 to rotate through the universal joint 45, the transmission shaft 47 drives the first gear 49 to rotate, the first gear 49 drives the second gear 64 to rotate, the second gear 64 drives the rotating rod 65 to rotate, the rotating rod 65 is continuously abutted against the lower end of the upright rod 51 in the rotating process, when the rotating rod 65 is abutted against the lower end of the right upright rod 51, the right upright rod 51 is driven to rotate anticlockwise around, thereby driving the clap board 16 to separate from the calf, when the rotating rod 65 is no longer abutted with the right upright rod 51, the right upright rod 51 is reset under the elastic force of the torsion spring 55, and simultaneously driving the right upright rod 51 to rotate clockwise, thereby enabling the rubber pad on the clap board 16 to clap the calf, when the first gear 49 rotates, the third gear 53 drives the fourth gear 62 to rotate, the fourth gear 62 drives the abutting rod 50 to rotate, thereby enabling the abutting rod 50 to abut with the left upright rod 51, thereby driving the left upright rod 51 to rotate clockwise, thereby driving the left clap board 16 to separate from the calf, when the abutting rod 50 is no longer abutted with the left upright rod 51, the left upright rod 51 resets under the elastic force of the torsion spring 55, and simultaneously driving the left upright rod 51 to rotate clockwise, thereby enabling the rubber pad on the clap board 16 to clap the calf, thereby realizing the beating of the calf during the movement, the leg slimming is facilitated, meanwhile, the thigh fixing plate 23 rotates around the joint of the thigh fixing plate and the shank fixing plate 10, the sliding rod 33 rotates in the fourth sliding groove 32, meanwhile, the shank fixing plate 10 drives the third hinge block 28 and the first sliding block 39 to slide in the first sliding groove 40 through the second hinge block 27 when rotating around the joint, so that the muscle of only the thigh is exercised, the shank muscle can be flapped in the exercise process, the leg slimming is facilitated, and the leg slimming exerciser can be suitable for people of different body types, so that the applicability and the economical efficiency of the exerciser are improved.

Claims

1. A leg exerciser comprising a first connecting plate (57), characterized in that: the right side of the first connecting plate (57) is vertically and symmetrically fixedly connected with two second connecting plates (60), the front side of each second connecting plate (60) is provided with a first sliding chute (40) with a forward opening, the adjacent sides of the two second connecting plates (60) are respectively and fixedly connected with a third connecting plate (25), the adjacent sides of the two third connecting plates (25) are respectively and fixedly connected with a fourth connecting plate (26), the front side of each fourth connecting plate (26) is provided with a second sliding chute (44) with a forward opening, the right end of the two fourth connecting plates (26) is fixedly connected with a fifth connecting plate (66), the lower side surfaces of the first connecting plate (57) and the fifth connecting plate (66) are provided with four supporting legs (29) for supporting the exerciser, wherein the two supporting legs (29) are fixedly connected to the lower side surface of the first connecting plate (57) in a front-back symmetrical manner, the other two supporting legs (29) are fixedly connected to the lower side of the first connecting plate (57) in a front-back symmetrical mode, a fixing device (A2) for fixing legs and a massaging device (A3) for massaging shanks are arranged on the upper side of the second connecting plate (60) in a sliding mode, and an adjusting device (A4) for a user to sit is arranged on the upper side of the fourth connecting plate (26) in a sliding mode.

2. A leg exerciser according to claim 1, wherein: the fixing device (A2) comprises a first sliding block (39) which is connected in the first sliding groove (40) in a sliding manner, the upper end face of the first sliding block (39) is fixedly connected with a third hinge block (28), the third hinge block (28) is positioned on the upper side face of the second connecting plate (60), the upper end of the third hinge block (28) is hinged with a second hinge block (27), the upper side face of the second hinge block (27) is fixedly connected with a shank fixing plate (10), two third sliding grooves (11) with forward openings are symmetrically formed in the shank fixing plate (10) up and down, a second sliding block (36) is connected in each third sliding groove (11) in a sliding manner, a first spring (12) is fixedly connected between the left side face of each second sliding block (36) and the left side wall of the corresponding third sliding groove (11), and foot supporting plates (13) for users are fixedly connected on the upper end faces of the two second sliding blocks (36), foot backup pad (13) are located the side of going up of shank fixed plate (10), side fixedly connected with is used for fixed shank first movable bandage (14) on shank fixed plate (10), first movable bandage (14) are prior art, no longer describe, first movable bandage (14) are located foot backup pad (13) right side, first movable bandage (14) inner annular fixed mounting has first rubber ring (38) of rubber material, the shank quilt when first movable bandage (14) are fixed, people's leg can be avoided by hurting in first rubber ring (38).

3. A leg exerciser according to claim 2, wherein: every shank fixed plate (10) right-hand member face fixedly connected with first articulated piece (21), every articulated on first articulated piece (21) have thigh fixed plate (23), open-ended fourth spout (32) around having seted up in every thigh fixed plate (23), every side fixedly connected with supporting shoe (67) on second connecting plate (60), every supporting shoe (67) with correspond first articulated piece (21) with thigh fixed plate (23) articulated department butt, supporting shoe (67) to first articulated piece (21) with the articulated department of thigh fixed plate (23) plays the supporting role.

4. A leg exerciser according to claim 3, wherein: massage device (A3) includes fixed connection and is two fixed block (31) of the side of keeping away from each other of thigh fixed plate (23), fixed block (31) downside fixedly connected with semicircular ring gear (19), the leading flank of shank fixed plate (10) rotates and is connected with driving gear axle (59), fixedly connected with driving gear (58) is gone up in driving gear axle (59), driving gear (58) with the meshing of ring gear (19) internal ring gear, it has transmission groove (46) to open in shank fixed plate (10), driving gear axle (59) extend backward and enter into in transmission groove (46), driving gear axle (59) with the preceding lateral wall of transmission groove (46) with rotate between the leading flank of shank fixed plate (10) and connect, driving gear axle (59) rear end is connected with universal joint (45), universal joint (45) left side is connected with transmission shaft (47), gear groove (48) have been seted up in shank fixed plate (10), gear groove (48) are located transmission groove (46) left side, transmission shaft (47) extend to run through left transmission groove (46) left side wall enters into in gear groove (48), transmission shaft (47) and with transmission groove (46) left side wall with rotate between gear groove (48) the right side wall and connect.

5. The leg exerciser of claim 4, wherein: the massage device (A3) further comprises a first gear (49) fixedly connected to the transmission shaft (47), the first gear (49) is located in the gear groove (48), a second gear shaft (63) is rotatably connected between the front side wall and the rear side wall of the gear groove (48), the second gear shaft (63) is located on the right side of the transmission shaft (47), a second gear (64) is fixedly connected to the second gear shaft (63), two rotating rods (65) are vertically and symmetrically and fixedly connected to the front side surface of the second gear (64), the second gear (64) is meshed with the first gear (49), a third gear shaft (52) is rotatably connected between the front side wall and the rear side wall of the gear groove (48), a third gear (53) is fixedly connected to the third gear shaft (52), and the third gear shaft (52) is located on the left side of the transmission shaft (47), the third gear (53) is meshed with the first gear (49), a fourth gear shaft (61) is rotatably connected between the front side wall and the rear side wall of the gear groove (48), the fourth gear shaft (61) is positioned on the left side of the third gear shaft (52), a fourth gear (62) is fixedly connected to the fourth gear shaft (61), the fourth gear (62) is meshed with the third gear (53), two abutting rods (50) are vertically and symmetrically and fixedly connected to the front side surface of the fourth gear (62), two fifth sliding chutes (15) which are bilaterally symmetrical are communicated with the upper side wall of the gear groove (48), a turning shaft (54) is rotatably connected between the front side wall and the rear side wall of each fifth sliding chute (15), an upright rod (51) is fixedly connected to each turning shaft (54), and a torsion spring (55) for keeping the upright rod (51) in an upright state is arranged at the connection position of the upright rod (51) and the turning shaft (54), one end of the torsion spring (55) is fixedly connected with the turnover shaft (54), the other end of the torsion spring (55) is fixedly connected with the upright rod (51), the upright rod (51) on the left side can be abutted against the abutting rod (50), the upright rod (51) on the right side can be abutted against the rotating rod (65), the lower end of the upright rod (51) is of an inclined surface structure, the abutting rod (50) and the rotating rod (65) can be abutted against the upright rod (51) to avoid clamping, a beating plate (16) is fixedly connected to the upper end face of each upright rod (51), and rubber pads are fixedly connected to the adjacent side faces of the two beating plates (16) respectively.

6. A leg exerciser according to claim 3, wherein: the adjusting device (A4) comprises a second movable binding belt (20) fixedly installed on the front side surface of each thigh fixing plate (23), the second movable binding belt (20) is in the prior art and is not repeated, the second movable binding belt (20) is located on the right side of the hinged position of the thigh fixing plate (23) and the shank fixing plate (10), a second rubber ring (42) made of rubber is fixedly installed on the inner annular surface of the second movable binding belt (20), when the thigh is fixed by the second movable binding belt (20), the legs of a person can be prevented from being tightened by the second rubber ring (42), two seats (24) for the user to sit are arranged on the upper sides of the thigh fixing plates (23), the seats (24) are located on the right side surfaces of the second movable binding belts (20), an installation block (35) is fixedly connected to the lower side of the seats (24), and four third sliding blocks (43) are fixedly connected to the lower side surface of the installation block (35), four third slider (43) divide into two sets ofly on the front and back direction, and every group is provided with two on the horizontal direction, every group third slider (43) be in corresponding sliding connection in second spout (44), two first connecting rod (34) of symmetry fixedly connected with around seat (24) left end downside, two a side fixedly connected with slide bar (33) respectively that first connecting rod (34) kept away from each other, every slide bar (33) are corresponding sliding connection in fourth spout (32).