CN212235843U - Lower limb strength training apparatus - Google Patents

Abstract

The utility model belongs to the technical field of body-building apparatus and specifically relates to a low limbs strength training apparatus is related to, and it includes the base, has connect the bracket in the one end of base, is provided with the main tributary dagger that is used for supporting the bracket on the base, and the one end of keeping away from self pin joint at the base is provided with the footboard towards the direction slope of bracket, is provided with the shoulder support frame that supplies to use the shoulder to set up on the top of bracket. This application has the effect that the user of being convenient for unloads the pressure that the apparatus brought.

Description

Lower limb strength training apparatus

Technical Field

The application relates to the field of fitness equipment, in particular to a lower limb strength training instrument.

Background

At present, with the improvement of living standard, the demand of people for body building is continuously improved. Among them, the body training through the fitness equipment has become one of the main fitness approaches, and the fitness equipment is the sports equipment used for the people who have the fitness requirement to achieve the effects of auxiliary training and body building.

In life, people usually use the fitness equipment of barbell to exercise the strength of lower limbs, and the user stands or squats along with the exercise to stretch the muscles of the legs.

For the above-mentioned correlation technique, the inventor thinks that there is the user to take exercise and use the barbell to accomplish the back, need take off the barbell from the shoulder, but because user's physical power has had certain consumption this moment, probably lead to the user to take off the barbell comparatively hard, even the defect of accident appears.

SUMMERY OF THE UTILITY MODEL

In order to facilitate the user to remove the pressure that the apparatus brought, this application provides a lower limbs strength training apparatus.

The application provides a lower limbs strength training apparatus adopts following technical scheme:

the utility model provides a low limbs strength training apparatus, includes the base, has connect the bracket in the one end of base, is provided with the main tributary dagger that is used for supporting the bracket on the base, is provided with the footboard towards the direction slope of bracket in the one end that self pin joint was kept away from to the base, is provided with the shoulder support frame that supplies to use the shoulder to set up on the top of bracket.

Through adopting above-mentioned technical scheme, user's shoulder is set up on the shoulder support frame, and both feet are trampled on the footboard, along with the flexible or crooked of shank, make the vertical rotation of pin joint of bracket along self, and the bracket gives user certain pressure for user's shank obtains effectual exercise, when the user exercise completion back, can directly break away from the training ware.

Preferably, the shoulder support frame comprises two shoulder support columns hinged to the bracket, the top ends of the shoulder support columns are bent to form bending sections for the shoulders of users to be erected, a base plate is fixedly connected between the two shoulder support columns in a vertical mode, and an inclined support rod is connected between one side of the base plate, which deviates from the pedal, and one end, far away from the pedal, of the base.

Through adopting above-mentioned technical scheme, user's neck passes the space between two shoulder support columns, and the shoulder is set up on the bending segment of shoulder support column, and the shoulder support frame articulates on the bracket for bracket, shoulder support frame and diagonal brace form stable triangular support relation, and the extension or the bending of following user's shank realize that the three wholly rises or moves down.

Preferably, a holding rod for holding by both hands of a user is fixedly connected to one side of the bracket close to the pedal.

Through adopting above-mentioned technical scheme, the holding rod supplies the user to hold, and the user of being convenient for maintains self stability.

Preferably, an elastic pad is arranged between the main supporting column and the bracket.

Through adopting above-mentioned technical scheme, the cushion has played buffering shock attenuation effect.

Preferably, the bending section of the shoulder supporting column is sleeved with an elastic sleeve.

Through adopting above-mentioned technical scheme, user's shoulder contacts with the elastic sleeve, travelling comfort when having improved the user and having taken exercise.

Preferably, the bracket includes and keeps away from the lifting roof beam of base one end with base articulated extension beam and rigid coupling in extension beam ends portion, is provided with counter weight mechanism on the extension beam, and counter weight mechanism includes the slide rail that sets up along extension beam length direction, is provided with the balancing weight on the slide rail, and the rigid coupling has the slider of being connected with the slide rail slides on the balancing weight, is provided with on the balancing weight to the slider slide position on the slide rail and carries out spacing stop gear.

Through adopting above-mentioned technical scheme, the user can independently select training intensity, through the position that changes the balancing weight, and then changes moment, lets the user experience different pressure intensity.

Preferably, be provided with the cavity in the balancing weight, stop gear slides the gag lever post of being connected including setting up in the cavity and towards the direction of slide rail and balancing weight, the upper and lower inner wall that pierces through the balancing weight respectively at the upper and lower both ends of gag lever post, upper surface rigid coupling at the balancing weight has the shrouding that is used for blocking the cavity, the gag lever post is worn to locate the shrouding and is connected with the shrouding slides, global rigid coupling at the gag lever post has spacing piece, spacing piece is located the cavity of balancing weight, still the cover is equipped with compression spring on the gag lever post, compression spring is located between spacing piece and the shrouding, evenly set up a plurality of along the length direction of slide rail at the upper surface of slide rail.

Through adopting above-mentioned technical scheme, the user is when sliding to the balancing weight, at first the tip lifting gag lever post that grasps the gag lever post, thereby make spacing piece towards the direction displacement of shrouding, and make compression spring elastic compression, when the lower extreme of gag lever post removed the position of counterpointing with the jack, make the lower extreme of gag lever post stable the inserting under compression spring's elastic action establish in the jack, thereby the mutual slip of slider and slide rail has been restricted, make bracket lifting in-process, the stable position that corresponds at the slide rail that keeps of slider.

Preferably, stop gear includes and fixes the rack on the slide rail along the length direction of slide rail, the installation cavity has been seted up in the slide rail, be provided with the axis of rotation in the installation cavity, coaxial rigid coupling has driven gear in the axis of rotation, set up the intercommunication groove that is used for making driven gear and rack intermeshing in installation cavity one side, set up the spacing groove that holds the axis of rotation at the installation cavity lower surface, be provided with the supporting spring who supports the axis of rotation in the spacing inslot, there is a plurality of spacing arch at one side rigid coupling of driven gear towards the spacing groove, set up the cooperation groove that is used for holding spacing bellied on the diapire of mounting groove, be provided with the drive in the balancing weight and rotate the spacing inslot of axial and make spacing protruding and cooperation groove mutually block the actuating mechanism who establishes, when spacing protruding and the mutual screens of cooperation groove, follow and move the.

Through adopting above-mentioned technical scheme, when the balancing weight slided with the slide rail each other, can drive the intermeshing of driven gear and rack, if the user fixes a position the balancing weight at the position of slide rail, accessible actuating mechanism pushes down the axis of rotation, thereby make supporting spring elasticity flexible, and driven gear pastes each other with the installation cavity diapire towards one side of installation cavity diapire, and make spacing arch on the driven gear mutually support with the cooperation groove of installation cavity diapire, thereby the free rotation of driven gear has been restricted, driven gear has moved the one end distance when spacing arch and cooperation groove mutually support, but still keep rack and driven gear intermeshing's state, and driven gear's unable rotation has also restricted the continuous slip of slider with the slide rail.

Preferably, actuating mechanism is including rotating the live-rollers of connecting in the counterweight block, and the axis of live-rollers and the axis mutually perpendicular of gag lever post, and the upper end of gag lever post is constantly contradicted at the outer peripheral face of live-rollers, has offered the tangent plane that holds axis of rotation upper end and make supporting spring keep natural state along the axial of live-rollers in the outer peripheral face of live-rollers, is provided with the drive assembly who drives live-rollers pivoted in the one end of live-rollers.

By adopting the technical scheme, in an initial state, the upper end of the rotating shaft is positioned in the tangent plane of the rotating roller, when the counterweight block moves to a position to be fixed, a user drives the rotating roller to rotate through the driving assembly, so that the upper end of the rotating shaft is abutted against the outer peripheral surface of the rotating roller under the guidance of the inner wall of the tangent plane, the rotating shaft is driven to displace in the direction of the limiting groove, and the mutual alignment of the limiting protrusion and the matching groove is realized; and the live-rollers set up in the counterweight block, self has certain weight, not only can not lighten the holistic weight of counterweight block, but also have driven effect, simple structure has improved the efficiency of user's operation greatly.

Preferably, the driving assembly comprises a transmission gear coaxially arranged at one end of the rotating roller and a driving gear meshed with the transmission gear, a turntable is fixedly connected to one side of the driving gear, the turntable is rotatably connected with the balancing weight, and a handrail is fixedly connected to one side of the turntable, which deviates from the driving gear.

Through adopting above-mentioned technical scheme, the user is when removing the balancing weight, and the support of handle is held up to the accessible removes the balancing weight, then if when fixing a position balancing weight position, the handle is held up to the accessible and the carousel is driven and is rotated to through driving gear and drive gear's meshing transmission, thereby drive the live-rollers rotation, simple structure, operating efficiency is high, is convenient for maintain.

In summary, the present application includes at least one of the following beneficial technical effects:

1. by arranging the bracket, the pedal and the shoulder supporting frame, the shoulder of a user is arranged on the shoulder supporting frame, and two feet step on the pedal, the bracket vertically rotates along the self hinge point along with the extension or bending of the leg, the bracket gives a certain pressure to the user, so that the leg of the user can be effectively exercised, and the user can be directly separated from the trainer after the exercise is completed;

2. by arranging the counterweight mechanism and the limiting mechanism, a user can independently select the training intensity, and the moment is changed by changing the position of the counterweight block, so that the user can experience different pressure intensities;

3. the drive mechanism and the drive assembly enable a user to conveniently operate and limit the position of the counterweight mechanism.

Drawings

Fig. 1 is a front view of a lower limb strength training apparatus according to embodiment 1 of the present application;

FIG. 2 is a rear view of the lower limb strength training apparatus of embodiment 1 of the present application;

fig. 3 is a schematic structural view of a weight mechanism according to embodiment 1 of the present application;

FIG. 4 is a sectional view showing a stopper mechanism according to embodiment 1;

FIG. 5 is a schematic structural view of a weight mechanism embodying embodiment 2;

FIG. 6 is a schematic view showing the internal structure of a slider mounting chamber in embodiment 2;

FIG. 7 is a schematic view showing the positional relationship between the driving mechanism and the rotating shaft;

FIG. 8 is an enlarged detail view taken at A in FIG. 7, showing the detent structure of the driven gear and the bottom wall of the mounting cavity;

FIG. 9 is a schematic view showing the position-limiting protrusion and the position-locking relation of the fitting groove;

fig. 10 is a schematic diagram showing the internal structure of the housing.

Description of reference numerals: 1. a base; 10. a main support column; 100. an elastic pad; 11. a secondary support post; 2. a pedal; 20. an auxiliary support bar; 3. a bracket; 30. extending the beam; 31. lifting the beam; 310. a holding rod; 311. an ear plate; 32. a reinforcing beam; 4. a shoulder support; 40. a rotating shaft; 41. a shoulder support post; 42. an elastic sleeve; 43. a base plate; 5. a diagonal brace; 6. a counterweight mechanism; 60. a slide rail; 600. a jack; 61. a slider; 610. a mounting cavity; 611. a communicating groove; 612. a limiting groove; 613. a mating groove; 62. a balancing weight; 620. a housing; 621. a counterweight unit; 622. a yielding groove; 63. a handrail; 64. an anti-drop sheet; 65. a chamber; 7. a limiting mechanism; 70. a limiting rod; 71. closing the plate; 72. a limiting sheet; 73. a compression spring; 74. installing a cap; 75. a rack; 76. a rotating shaft; 77. a support spring; 78. a driven gear; 79. a limiting bulge; 8. a drive mechanism; 80. a rotating roller; 800. cutting into noodles; 9. a drive assembly; 90. a transmission gear; 91. a driving gear; 92. a turntable; 93. a handle.

Detailed Description

The present application is described in further detail below with reference to figures 1-10.

The embodiment of the application discloses lower limb strength training apparatus.

Example 1

Referring to fig. 1 and 2, lower limbs strength training apparatus includes base 1, install footboard 2 at the top of base 1 one end, footboard 2 sets up towards the other end slope of base 1, the rigid coupling has auxiliary stay pole 20 that is used for supporting footboard 2 between footboard 2 and base 1, it has bracket 3 to keep away from the top of footboard 2 one end at base 1, bracket 3 includes extension beam 30, lifting beam 31 and stiffening beam 32, extension beam 30 is parallel to be provided with two and the tip all articulates with base 1, the perpendicular rigid coupling of lifting beam 31 is in the one end that two extension beams 30 kept away from self pin joint, stiffening beam 32 rigid coupling is between two extension beams 30, play the effect of increasing bracket 3 bulk strength.

The base 1 is further provided with two main support columns 10 for supporting the extension beam 30, the main support columns 10 are arranged in an inclined manner towards the direction of the bracket 3, so that the extension beam 30 is perpendicular to the main support columns 10 when being supported by the main support columns 10, and the top ends of the main support columns 10 are further fixedly bonded with elastic pads 100 to achieve buffering and shock absorption effects; in order to improve the stability of the main supporting column 10, a secondary supporting column 11 is fixedly connected between the side of the supporting column 10 facing away from the pedal 2 and the base 1.

The shoulder supporting frame 4 is arranged at the top of the lifting beam 31, two symmetrically arranged ear plates 311 are vertically and fixedly connected to the top of the lifting beam 31, the shoulder supporting frame 4 comprises a rotating shaft 40 rotatably supported on the two ear plates 311, two parallel shoulder supporting columns 41 are vertically and fixedly connected to the rotating shaft 40, one ends, far away from the rotating shaft 40, of the shoulder supporting columns 41 are bent to the same side to form bending sections for lap joint of shoulders of a user, elastic sleeves 42 are sleeved on the bending sections, the elastic sleeves 42 in the embodiment are rubber sleeves, and a backing plate 43 is vertically and fixedly connected to one side, close to the bending sections, of the two shoulder supporting columns 41; an inclined strut 5 is hinged between the base plate 43 and one end of the base 1 far away from the pedal 2, so that the bracket 3, the shoulder supporting frame 4 and the inclined strut 5 are kept in a stable triangular state; in order to facilitate the force application of a user, two holding rods 310 are fixedly connected to one side of the lifting beam 31, which is far away from the extension beam 30, and the two holding rods 310 are in a splayed opening shape, so that the lifting beam meets the ergonomics and the user can maintain the stability of the lifting beam; the user stands on the pedal 2, the body leans forward, the neck is positioned between the two shoulder supporting columns 41, the bending sections of the shoulder supporting columns 41 are lapped on the shoulders of the user, the holding rod 310 is held by the two hands and bends and extends along with the legs of the user, the bracket 3 applies force to the shoulders of the user, and therefore the lower limb strength training effect is achieved for the user; after the training is finished, the user can easily separate from the trainer.

Referring to fig. 1 and 3, in order to adapt the trainer to users with different training intensity requirements, a weight mechanism 6 is further provided on the upper surface of each extension beam 30; counter weight mechanism 6 includes along the length direction rigid coupling of extension beam 30 at the slide rail 60 of extension beam 30 upper surface, and it is connected with slider 61 to slide on the slide rail 60, and the upper surface rigid coupling of slider 61 has the balancing weight 62, and the balancing weight 62 has handrail 63 towards each rigid coupling of moving direction both sides to be convenient for control balancing weight 62 and slide on slide rail 60, be provided with stop gear 7 that carries out the maintenance to slider 61 sliding position on balancing weight 62 in addition.

Referring to fig. 3 and 4, a cylindrical chamber 65 is formed in the counterweight block 62, the axial direction of the chamber 65 is perpendicular to the axial direction of the slide rail 60, and an opening is formed above the chamber 65; the limiting mechanism 7 comprises a limiting rod 70 coaxially arranged in the cavity 65, the lower end of the limiting rod 70 penetrates through the balancing weight 62 and points to the upper surface of the sliding rail 60, and the upper end of the limiting rod 70 is higher than the upper surface of the balancing weight 62; an annular sealing plate 71 is arranged above the opening of the cavity 65 of the counterweight block 62, the sealing plate 71 is fixed at the edge of the opening of the cavity 65 through a plurality of bolts, and the upper end of the limiting rod 70 penetrates through the sealing plate 71 and is connected with the sealing plate 71 in a sliding manner; the circumferential surface of the limiting rod 70 is also coaxially and fixedly connected with an annular limiting sheet 72, and the limiting sheet 72 is positioned in the cavity 65; a compression spring 73 is further sleeved on the limiting rod 70, the upper end of the compression spring 73 abuts against the lower surface of the sealing plate 71, and the lower end of the compression spring 73 abuts against the upper surface of the limiting rod 70; and a plurality of insertion holes 600 for accommodating the lower end of the limiting rod 70 to be inserted are uniformly formed in the upper surface of the slide rail 60 along the length direction of the slide rail 60.

The upper end of the limiting rod 70 is further connected with a mounting cap 74 in a threaded mode, and the longitudinal section of the mounting cap 74 is T-shaped, so that the holding area of a hand and the limiting rod 70 is increased, and the convenience in operation of the limiting rod 70 is improved.

Referring to fig. 3, anti-slip sheets 64 are further disposed at both ends of each sliding rail 60, the anti-slip sheets 64 are fixed on the upper surface of the extension beam 30, and the size of the anti-slip sheets 64 is larger than the size of the cross section of the sliding rail 60, so that the sliding block 61 is restricted from being disengaged from the end of the sliding rail 60, and the safety of the exercise machine during use is improved.

In actual use, a user can place a single training apparatus on the surface, fix the training apparatus by using an expansion bolt or fix the training apparatus by pouring concrete according to actual conditions on site; if adopt direct placing the stability of calculating further improvement training apparatus simultaneously, can combine at least two sets of training apparatus together, form combination formula training apparatus, be in the same place a plurality of base 1 welded fastening promptly, convenience of customers removes training apparatus to other places simultaneously like this.

The implementation principle of the embodiment 1 is as follows: the user stands on the pedal 2, holds the holding rod 310 with both hands, and the neck is positioned between the two shoulder supporting columns 41, so that the bent sections of the shoulder supporting columns 41 are lapped on the shoulders of the user, and the legs of the user bend or stretch; when a user needs to adjust the balance weight, the user can move the balance weight block 62 towards the direction of the extension beam 30 and the lifting beam 31, so that the center of gravity of the balance weight block 62 is close to the lifting beam 31, the moment is large, the burden of the user on lifting the lifting beam 31 is relatively increased, and the training effect is improved; the user only needs to hold the stop lever 70 to lift the stop lever 70, drives the compression spring 73 to elastically compress, and when the counter weight block 62 moves to the corresponding position, the stop lever 70 is tightly inserted into the insertion hole 600 under the elastic action of the compression spring 73, so that the relative sliding between the sliding block 61 and the sliding rail 60 is limited.

Example 2

Referring to fig. 5 and 6, the present embodiment is different from embodiment 1 in that the weight block 62 includes a housing 620 and a weight unit 621; referring to fig. 6 and 7, a mounting cavity 610 is formed in the upper surface of the slider 61 along the height direction of the slider 61, and the mounting cavity 610 is located at one side of the slide rail 60.

Referring to fig. 5 and 6 again, the limiting mechanism 7 includes a rack 75 fixedly connected to one side of the sliding rail 60 facing the installation cavity 610, and the length of the rack 75 is the same as that of the sliding rail 60; one side of the sliding block 61 is provided with a communication groove 611 which is used for accommodating the rack 75 and communicated with the mounting cavity 610, so that when the sliding block 61 and the sliding rail 60 slide mutually, the rack 75 cannot interfere with the sliding block 61; a rotating shaft 76 is vertically arranged in the mounting cavity 610 along the height direction of the mounting cavity 610, a limiting groove 612 for accommodating the lower end part of the rotating shaft 76 is formed in the bottom surface of the mounting cavity 610, and a supporting spring 77 for supporting the rotating shaft 76 is arranged in the limiting groove 612; the driven gear 78 is coaxially and fixedly connected to the rotating shaft 76, and in an initial state, the rotating shaft 76 is supported by the supporting spring 77, so that a gap is left between the driven gear 78 and the bottom surface of the mounting cavity 610, and the driven gear 78 is meshed with the rack 75; when the slide block 61 and the slide rail 60 slide with each other, the rack 75 and the driven gear 78 are engaged with each other to drive the driven gear 78 to rotate freely around the axis of the rotating shaft 76.

Referring to fig. 7 and 8, six hemispherical limiting protrusions 79 are uniformly and fixedly connected to the lower surface of the driven gear 78 with the center of the driven gear 78 as the center of circle, mating grooves 613 for accommodating the limiting protrusions 79 are formed in the bottom surface of the mounting cavity 610 corresponding to the six limiting protrusions 79, and a driving mechanism 8 for driving the rotating shaft 76 to move downwards to enable the limiting protrusions 79 to be inserted into the corresponding mating grooves 613 so as to limit the rotation of the driven gear 78 is further arranged in the counterweight block 62; referring to fig. 8 and 9, the fitting state of the stopper projection 79 with the fitting groove 613 can be known.

Referring to fig. 7 and 8, the weight block 62 includes a housing 620 and a weight unit 621 inserted into the housing 620; the upper end of the rotating shaft 76 penetrates into the shell 620 and is connected with the shell 620 in a sliding way; the driving mechanism 8 comprises a rotating roller 80 which is arranged in the shell 620 and is rotationally connected with the inner wall of the shell 620, the rotating roller 80 is positioned right above the rotating shaft 76, the upper end surface of the rotating shaft 76 is in contact with the outer peripheral surface of the rotating roller 80, and the extension line of the axis of the rotating shaft 76 is vertical to and interferes with the axis of the rotating roller 80; the circumferential surface of the rotating roller 80 is provided with a tangent plane 800 along the length direction of the rotating roller 80, thereby reducing the local radius of the rotating roller 80, and when the rotating shaft 76 is in the initial state, the upper end of the rotating shaft 76 abuts against the tangent plane 800 area of the rotating roller 80, so that the supporting spring 77 is in a natural state.

Referring to fig. 5 and 10, a driving assembly 9 for driving the rotation roller 80 to rotate is further provided at one end of the rotation roller 80; the driving assembly 9 comprises a transmission gear 90 coaxially and fixedly connected to one end of the rotating roller 80, a driving gear 91 meshed with the transmission gear 90 is rotatably connected to the side wall of the shell 620, which is close to the transmission gear 90, a rotary disc 92 coaxially and fixedly connected with the driving gear 91 is arranged on the outer wall of the shell 620, and the rotary disc 92 is rotatably connected with the outer wall of the shell 620; the side of the rotary plate 92 away from the driving gear 91 is further fixedly connected with a handle 93, so that a user can drive the rotary plate 92 to rotate through the handle 93, and the rotary plate is meshed with the transmission gear 90 through the driving gear 91 to realize the rotation of the rotating roller 80.

Referring to fig. 7, a yielding groove 622 is formed at a position where the lower surface of the weight unit 621 interferes with the rotating roller 80 and the driving assembly 9, so that after the weight unit 621 is inserted into the housing 620, the normal operation of the driving mechanism 8 is not affected, and a user can maintain the driving mechanism 8 by detaching the weight unit 621, thereby improving the maintenance efficiency.

The implementation principle of the embodiment 2 is as follows: when a user uses the balancing weight 62, the user can hold the holding handle 93 and drive the balancing weight 62 to slide on the sliding rail 60, at the moment, the driven gear 78 freely rotates in the installation cavity 610 under the mutual engagement with the rack 75, and when the user needs to fix the sliding relative position of the sliding block 61 and the sliding rail 60, the user can rotate the holding handle 93, drive the rotating disc 92 to rotate, and drive the rotating roller 80 to rotate through the mutual engagement of the driving gear 91 and the transmission gear 90; when the rotating shaft 76 is in an initial state, the upper end of the rotating shaft 76 is located at the tangent plane 800 of the rotating roller 80, and along with the rotation of the rotating roller 80, the rotating shaft 76 is displaced towards the bottom of the limiting groove 612 under the limiting action of the limiting groove 612, and drives the supporting spring 77 to elastically compress, and meanwhile, the limiting protrusion 79 on the lower surface of the driven gear 78 is clamped in the corresponding matching groove 613, so that the free rotation of the driven gear 78 is limited, and at the moment, the driven gear 78 is also kept in a state of being meshed with the rack 75, and further, the relative sliding between the sliding block 61 and the sliding rail 60 is limited; and the user only needs to operate the armrest handle 93 to fix the relative position of the balancing weight 62 on the sliding rail 60, so that the operation is simple and the effect is obvious.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (10)

1. A lower limb strength training apparatus, characterized in that: the novel multifunctional chair comprises a base (1), a bracket (3) is connected to one end of the base (1), a main supporting column (10) used for supporting the bracket (3) is arranged on the base (1), a pedal (2) is obliquely arranged at one end, far away from a hinge point, of the base (1) towards the direction of the bracket (3), and a shoulder supporting frame (4) for using shoulders to be erected is arranged at the top end of the bracket (3).

2. The lower extremity strength training apparatus of claim 1, wherein: shoulder support frame (4) are including articulating two shoulder support columns (41) on bracket (3), and the top bending type of shoulder support column (41) becomes the bending segment that supplies user's shoulder to set up, and vertical rigid coupling has backing plate (43) between two shoulder support columns (41), is connected with diagonal brace (5) between the one side that deviates from footboard (2) in backing plate (43) and base (1) keep away from the one end of footboard (2).

3. The lower extremity strength training apparatus of claim 1, wherein: one side of the bracket (3) close to the pedal (2) is fixedly connected with a holding rod (310) for holding by both hands of a user.

4. The lower extremity strength training apparatus of claim 1, wherein: an elastic pad (100) is arranged between the main supporting column (10) and the bracket (3).

5. The lower extremity strength training apparatus of claim 2, wherein: the bending section of the shoulder supporting column (41) is sleeved with an elastic sleeve (42).

6. The lower extremity strength training apparatus of claim 1, wherein: bracket (3) include with base (1) articulated extension roof beam (30) and rigid coupling in extension roof beam (30) tip keep away from lifting roof beam (31) of base (1) one end, be provided with counter weight mechanism (6) on extension roof beam (30), counter weight mechanism (6) are including slide rail (60) that set up along extension roof beam (30) length direction, be provided with balancing weight (62) on slide rail (60), the rigid coupling has slider (61) of being connected with slide rail (60) slide on balancing weight (62), be provided with on balancing weight (62) and carry out spacing stop gear (7) to slider (61) sliding position on slide rail (60).

7. The lower extremity strength training apparatus of claim 6, wherein: a chamber (65) is arranged in the balancing weight (62), the limiting mechanism (7) comprises a limiting rod (70) which is arranged in the chamber (65) and connected with the balancing weight (62) in a sliding way towards the direction of the sliding rail (60), the upper end and the lower end of the limiting rod (70) respectively penetrate through the upper inner wall and the lower inner wall of the balancing weight (62), a sealing plate (71) for sealing the cavity (65) is fixedly connected on the upper surface of the balancing weight (62), the limiting rod (70) is arranged in the sealing plate (71) in a penetrating way and is connected with the sealing plate (71) in a sliding way, the circumferential surface of the limiting rod (70) is fixedly connected with a limiting sheet (72), the limiting sheet (72) is positioned in the cavity (65) of the balancing weight (62), a compression spring (73) is also sleeved on the limiting rod (70), the compression spring (73) is positioned between the limiting sheet (72) and the sealing plate (71), a plurality of jacks (600) for accommodating the lower end of the limiting rod (70) to be inserted and clamped are uniformly formed in the upper surface of the sliding rail (60) along the length direction of the sliding rail (60).

8. The lower extremity strength training apparatus of claim 6, wherein: limiting mechanism (7) is including fixing rack (75) on slide rail (60) along the length direction of slide rail (60), install chamber (610) has been seted up in slide rail (60), be provided with axis of rotation (76) in install chamber (610), coaxial rigid coupling has driven gear (78) on axis of rotation (76), set up in install chamber (610) one side and be used for making driven gear (78) and rack (75) intermeshing's intercommunication groove (611), set up spacing groove (612) that hold axis of rotation (76) on install chamber (610) lower surface, be provided with support spring (77) that support axis of rotation (76) in spacing groove (612), driven gear (78) one side rigid coupling towards spacing groove (612) have a plurality of spacing arch (79), set up on the diapire of installation groove and be used for holding spacing arch (79) cooperation groove (613), it drives axis of rotation (76) and removes and makes spacing arch(s) to spacing arch (612) in balancing weight (62) 79) And a driving mechanism (8) which is clamped with the matching groove (613), wherein when the limiting protrusion (79) is clamped with the matching groove (613), the driven gear (78) and the rack (75) keep a meshed state.

9. The lower extremity strength training apparatus of claim 8, wherein: actuating mechanism (8) are including rotating live-rollers (80) of connecting in balancing weight (62), the axis of live-rollers (80) and the axis mutually perpendicular of gag lever post (70), the upper end of gag lever post (70) is contradicted at the outer peripheral face of live-rollers (80) constantly, offer tangent plane (800) that hold axis of rotation (76) upper end messenger supporting spring (77) and keep natural state along the axial of live-rollers (80) at the outer peripheral face of live-rollers (80), one end at live-rollers (80) is provided with drives live-rollers (80) pivoted drive assembly (9).

10. The lower extremity strength training apparatus of claim 9, wherein: drive assembly (9) including coaxial setting at drive gear (90) of live-rollers (80) one end and with drive gear (90) intermeshing's driving gear (91), one side rigid coupling of driving gear (91) has carousel (92), carousel (92) rotate with balancing weight (62) to be connected, one side rigid coupling that deviates from driving gear (91) in carousel (92) has handrail (93).

Images