CN112843604A

CN112843604A - Body-building center

Info

Publication number: CN112843604A
Application number: CN202110084857.6A
Authority: CN
Inventors: 孙昊; 林喜群
Original assignee: Hefei Leather Animal Intelligent Technology Co ltd
Current assignee: Hefei Leather Animal Intelligent Technology Co ltd
Priority date: 2021-01-22
Filing date: 2021-01-22
Publication date: 2021-05-28
Anticipated expiration: 2041-01-22
Also published as: CN112843604B

Abstract

The invention discloses a body-building center, which comprises a handrail, a frame, a driving device, a holding device, a first lifting mechanism, a running belt, a front roller, a rear roller, a running platform, a motor control panel, a brake resistor and a gradient sensor, wherein the two ends of the running belt are respectively wound on the front roller and the rear roller; two sides of the frame are respectively and fixedly provided with a holding device, each holding device is rotatably provided with a handrail, and the handrail is driven by the driving device to rotate relative to the frame and then is held and fixed by the holding devices; the front part of the running table is connected with a first lifting mechanism, and the first lifting mechanism drives the front part of the running table to lift. The scheme provides a body-building user can grasp the rotating and clasping handrail to perform a rock climbing-like exercise mode under the condition of running on a large slope.

Description

Body-building center

Technical Field

The invention relates to the technical field of fitness equipment, in particular to a fitness center.

Background

The fitness center is a novel fitness equipment concept, and the concept is mainly to design various fitness equipment into a whole and create a full-type home fitness equipment integration center.

The scheme relates to a fitness center comprising a treadmill and a main display screen, and as is well known, the functions of the conventional treadmill and the display screen are single, so that the use mode of a user is still limited on the conventional function, and the diversity and entertainment of fitness equipment cannot be maximized, so that the prior art cannot meet the increasing market demand at all.

Therefore, the applicant especially develops a body-building center with a brand-new use mode aiming at the existing closed place by taking the rich design development and actual manufacturing experience of the related industry for many years so as to achieve the purpose of better value.

Disclosure of Invention

The invention aims to provide a fitness center, which can enable a fitness user to grasp a rotating and clasping handrail to perform a rock climbing-like motion mode under the condition of running on a large slope, and can watch a main display screen and adjust the vertical movement, rotation and pitching angle of the display screen to adapt to the requirements of the user while performing rock climbing.

In order to achieve the above purpose, the solution of the invention is: a body-building center comprises a main display screen, a handrail, a frame, a rotating shaft, a running belt, a front roller, a rear roller, a running platform, a motor control panel, a brake resistor, a gradient sensor, a driving device, a holding device, a first lifting mechanism, a pitching mechanism and a rotating mechanism;

the two sides of the frame are respectively fixedly provided with the enclasping device, each enclasping device is rotatably provided with the handrail, the driving device is arranged on the handrail, the enclasping device is provided with a first shaft hole for connecting an output shaft of the driving device, and the driving device drives the handrail to rotate relative to the frame and then the handrail is enclasped and fixed through the enclasping device;

the first lifting mechanism is arranged on the frame, the front part of the running platform is connected with the first lifting mechanism, and the first lifting mechanism drives the front part of the running platform to lift so as to realize the lifting of the gradient of the running platform;

the front end of the running platform is provided with the front roller, the rear end of the running platform is provided with the rear roller, the running belt is sleeved outside the running platform, the two ends of the running belt are respectively connected with the front roller and the rear roller in a winding manner, the output end of the motor is connected with the front roller, the motor control board is respectively connected with the motor, the brake resistor and the gradient sensor, the gradient sensor can automatically record gradient data when the running platform is in gradient lifting, then the gradient data is sent to the motor control board, the motor control board adjusts the resistance value of the brake resistor according to the power consumption required to be consumed by the motor, when the gradient is lifted, the resistance value of the brake resistor is reduced, the output end rotating speed of the motor is reduced, the rotating speed of the front roller is reduced, when the gradient is lifted, the resistance value of the brake resistor is increased, the output end rotating speed of the motor is increased, and the rotating speed of, the speed of the running belt is increased, so that the running belt can keep constant speed at high and low slopes;

the rotating shaft is rotatably connected between the two handrails, and the display screen is arranged on the rotating shaft; the pitching mechanism comprises a first rotating motor, a first screw rod and a first gear, the first gear is fixedly sleeved on the rotating shaft, an external thread is arranged on the first screw rod and is in threaded fit with the first gear, and the first rotating motor is connected with and drives the first screw rod to rotate; the rotary mechanism comprises a second rotary motor, a second screw rod and a second gear, the second rotary motor, the second screw rod and the second gear are arranged on the frame, the second rotary motor is connected with and drives the second screw rod to rotate, an external thread is arranged on the second screw rod and is in threaded fit with the second gear, a convex shaft is arranged on the back of the display screen, and the convex shaft is fixed in a center hole of the second gear in a penetrating mode.

As a further improvement of the above scheme, the clasping device comprises a fixed toothed plate, an eccentric block, an eccentric retainer ring, an inner gear ring, a snap spring, a movable toothed plate and a closed ring, wherein the fixed toothed plate is disc-shaped, a second shaft hole is formed in the axial middle of the fixed toothed plate, a first concave cavity is formed in the side surface of one side of the fixed toothed plate in the thickness direction in an inwards concave manner, a group of first connecting bosses used for being connected with the frame are formed in the side surface of the other side of the fixed toothed plate in the thickness direction in an outwards convex manner, the gear ring is formed on the inner circumferential wall body of the first concave cavity, and an eccentric block seat is formed in the side, facing the first concave cavity, of the second shaft hole; the eccentric block comprises a first eccentric block and a second eccentric block, the first eccentric block and the second eccentric block have the same shape and are both circular rings, a pair of first baffle grooves are formed on the outer ring of the first eccentric block, a first eccentric hole is arranged in the middle of the first eccentric block, a first clamp spring groove is arranged at one end of the first eccentric hole, a pair of second baffle grooves are formed on the outer ring of the second eccentric block, the positions of the pair of second baffle grooves correspond to the positions of the pair of first baffle grooves, a second eccentric hole corresponding to the first eccentric hole is arranged in the middle of the second eccentric block, a second clamp spring groove is arranged at one end of the second eccentric hole, the second clamp spring groove and the first clamp spring groove have the same shape and are arranged in a staggered way with the positions thereof being partially overlapped and partially separated, the first eccentric block and the second eccentric block are sleeved on the eccentric block seat through respective first eccentric hole and second eccentric hole respectively; the eccentric retainer ring is circular, the first shaft hole is formed in the axial middle of the eccentric retainer ring, a pair of eccentric stop blocks are arranged on the side face of one side of the eccentric retainer ring in the thickness direction in a protruding mode, an eccentric shaft seat is arranged on one side, facing the eccentric stop blocks, of the first shaft hole in a protruding mode, the eccentric shaft seat is arranged in the second shaft hole of the fixed toothed plate, the pair of eccentric stop blocks are arranged in a pair of first stop grooves and a pair of second stop grooves of the first eccentric block and the second eccentric block, and a abdicating groove is formed in the outer circle edge of the eccentric retainer ring; the inner gear ring is annular, a third shaft hole is formed in the axial middle of the inner gear ring, and inner teeth which are meshed with the gear ring are arranged on the radial outer circumferential wall body of the inner gear ring; the clamp spring is in a ring shape, and a pair of clamp spring feet used for hooking and matching with the first clamp spring groove and the second clamp spring groove are formed at the opening end of the clamp spring; the movable toothed plate is disc-shaped, a fourth shaft hole is formed in the axial middle of the movable toothed plate, a second concave cavity is formed in the side face of one side of the movable toothed plate in the thickness direction in an inwards concave mode, a group of second connecting bosses used for being connected with the handrail are arranged on the side face of the other side of the movable toothed plate in the thickness direction in an outwards convex mode, and tooth grooves used for being meshed with the inner teeth are formed in the inner circumferential wall body of each second concave cavity; the closed ring is enveloped at the periphery of the outer edges of the fixed toothed plate and the movable toothed plate.

As a further improvement of the above scheme, a base is arranged at the bottom of the frame, a containing cavity is formed by the concave upper surface of the base, the running table is movably arranged above the containing cavity, when the running table is placed downwards and unfolded relative to the frame, the containing cavity is covered by the running table, and when the running table is folded and combined relative to the frame, the containing cavity is exposed.

As a further improvement of the above scheme, a base is arranged at the bottom of the frame, a stop block is convexly arranged on the upper surface of the base, the stop block is positioned at the front side of the central line of the running platform, and when the running platform is lifted to the limit and is parallel to the frame, the lower part of the running platform is abutted against the stop block.

As a further improvement of the above scheme, the exercise center further comprises a cross flow fan and a negative ion generator, the frame is in a shape of a Chinese character 'men', the top of the frame is a cross beam, a cavity is arranged in a shell of the cross beam, the cross flow fan is arranged in the cavity along the length direction of the cross beam, an air outlet is formed in the position, corresponding to the cross flow fan, of the shell of the cross beam, the air outlet faces the running platform, and the negative ion generator is arranged in the cavity and located on the other side, opposite to the air outlet, of the cross flow fan.

As a further improvement of the above scheme, the fitness center further comprises a roller shutter, the frame is in a door shape, the top of the frame is a cross beam, a cavity is arranged in the cross beam, a roller along the length direction of the cross beam is arranged in the cavity, a shutter outlet is formed in the cavity below the roller, the top end of the roller shutter is wound on the roller, and the bottom end of the roller shutter extends out of the shutter outlet.

As a further improvement of the above scheme, the fitness center further comprises a button switch, wherein the button switch comprises a mounting seat, a PCB (printed circuit board), a swinging assembly, a knob assembly and a pressing assembly;

the PCB is positioned above the mounting seat, the knob assembly is mounted on the PCB, and the knob assembly is of an annular hollow structure and used for placing and mounting the pressing assembly;

the PCB board comprises a PCB board, a swinging assembly and a PCB board, wherein the swinging assembly comprises a swinging seat and a rotating shaft, the swinging seat is fixed at the bottom of the PCB board, the bottom center of the swinging seat is provided with the rotating shaft, two ends of the rotating shaft are rotatably connected onto a mounting seat, the bottom of the PCB board is respectively provided with an upper contact switch and a lower contact switch on two sides of the rotating shaft, the swinging seat is provided with a abdicating groove at the position corresponding to the upper contact switch and the lower contact switch, the mounting seat is provided with an upper convex column and a lower convex column, and the upper convex column and the lower convex column are respectively positioned below the upper contact switch and.

As a further improvement of the above scheme, the exercise center further comprises a first chest developer, the bottom of the frame is provided with a base, the width of the base is larger than that of the running table, so that the base protrudes towards two sides of the running table, and at least more than one first chest developer is arranged at the protruding part; the first chest expander comprises a first torque output mechanism, a first pull wire and a first pull handle, wherein the first torque output mechanism is arranged in the base, the base is provided with a first outlet, one end of the first pull wire is connected with the first torque output mechanism, and the other end of the first pull wire penetrates out of the first outlet and is connected with the first pull handle.

As a further improvement of the above scheme, the exercise center further comprises a dual-screen switching display device, wherein the dual-screen switching display device comprises

The display device comprises a main display screen and a first control unit which is arranged on the main display screen and can be connected with the main display screen to generate an instruction signal;

a button switch installed on the main display screen;

the button display screen is arranged on the button switch, and the second control unit is arranged on the button switch and can generate a command signal connection with the button switch;

the instruction signal comprises a display screen switching request signal, a display screen switching approval signal and a display screen switching refusing signal;

a main board;

the first control unit and the second control unit are both connected with the mainboard, and the mainboard can respectively receive the display screen switching request signals sent by the first control unit and the second control unit and respectively send display screen switching approval signals or display screen switching refusal signals to the first control unit and the second control unit.

As the further improvement of above-mentioned scheme, first elevating system includes that two run a lead screw, a gear motor and the cooperation is at the nut of running a platform of running on running a lead screw, the lead screw is run in the vertical installation respectively in frame both sides, runs a first gear motor of a screw connection for two, it is equipped with runs a protruding axle to run the anterior both sides of platform, run and be equipped with on the nut of running a platform and supply to run a first recess that the protruding axle was placed, run the cooperation of a nut on running a lead screw, drive run the platform anterior along running a lead screw and make elevating movement.

People often neglect the acceleration brought by gravity to the running belt while adjusting the gradient, and after adopting the scheme, the invention has the beneficial effects that:

1. the invention can monitor the gradient data in real time, and adjust the motor in real time according to the gradient data, so that when the gradient of the running platform is increased, the running belt can slightly brake and reduce the speed to be consistent with the constant speed, therefore, a user does not need to increase the speed deliberately, only needs to keep the original constant speed, avoids unexpected danger, and improves the use safety.

2. The handrail is provided with the holding device, the holding device can be designed to be electric or manual, the universality is wide, the holding device can automatically lock the handrail after rotating on the fitness center no matter whether the handrail is electric or manual, other locking parts are not needed to be arranged for angle fixing, the use is very convenient, and the holding device is precise in structure, so that the locking effect is precise and reliable.

3. When the slope of the running platform is increased, the running belt can slightly brake and decelerate, and the handrail can be tightly held at any angle, so that a fitness user can adjust the slope of the running platform to form a hill and then rotate the handrail to an upward-warped angle to form a mountain climbing stick when using the climbing platform, so that the fitness user can grasp the tightly-rotated mountain climbing stick and step on the hill just like performing a rock climbing-like motion mode, is more novel than common running and meets the requirement of incapability of climbing.

4. The invention can realize the adjustment of any pitching angle and rotation angle, such as upward pitching, downward pitching, left turning and right turning, by electrically controlling the display screen, thereby meeting the requirements of people with different heights on any angle of the display screen.

5. The vacant space of the fitness center is fully utilized. The first chest developer is arranged on the base, so that a user can pull the first chest developer from bottom to top to do tension exercise; and accomodate the chamber and can place article, for example body fat is called or weighing scale, when accomodating the chamber and showing out, the user can take out the body fat and call the use, and the back that finishes using puts back the body fat and calls and accomodate the chamber, and it is relative to run the platform at last the frame is transferred and is expanded, covers and accomodates the chamber to play the effect of hiding the body fat of accomodating in the chamber, make full use of space improves the integration level of body-building center, the richness of equipment, and the help further builds more perfect body-building center.

6. The invention can realize double-screen switching display and synchronous display of the button display screen and the main display screen, provides a plurality of viewing choices for fitness users, enriches the functions of the main display screen and the button switch, promotes the relevance between the main display screen and the button switch, improves the automation degree of the main display screen and the button switch, has simple and small structure, and is suitable for the production requirements of most enterprises.

7. The cross flow fan has the advantages that the coverage range is wide, a user can run on the running platform while feeling cool wind to cool, fatigue is quickly recovered, and pleasure mood is kept.

Drawings

FIG. 1 is a schematic view of the overall structure of a fitness center before rotation of an armrest according to an embodiment of the present invention;

FIG. 2 is a schematic view of the overall structure of the exercise center after the armrests rotate and clasp;

FIG. 3 is a schematic structural view of an armrest and a clasping device according to an embodiment of the present invention (after the mounting box housing is hidden);

FIG. 4 is a schematic structural diagram of a driving device according to an embodiment of the present invention (after the mounting box is hidden);

FIG. 5 is a first exploded view of a clasping device in accordance with an embodiment of the present invention;

FIG. 6 is a second exploded view of a clasping device in accordance with an embodiment of the present invention;

FIG. 7 is a schematic view of the overall structure of a fitness center according to an embodiment of the present invention;

FIG. 8 is an enlarged view at A in FIG. 7;

FIG. 9 is a schematic view of the overall structure of the exercise center according to the first embodiment of the present invention;

FIG. 10 is an enlarged view at B in FIG. 9;

FIG. 11 is a schematic structural diagram of a lifting mechanism according to an embodiment of the present invention;

FIG. 12 is a control block diagram of an armrest according to an embodiment of the present invention;

FIG. 13 is a schematic view of the entire structure of a monitor in a tilted-up state according to an embodiment of the present invention;

FIG. 14 is a schematic view of the entire display screen in a downward and downward position according to an embodiment of the present invention;

FIG. 15 is a first schematic view of the adjustment mechanism of the present invention with the display screen in a tilted up position (rear housing separated from the first dust cover);

FIG. 16 is a second schematic view of the adjustment mechanism of the present invention with the display screen in a tilted up position (with the rear housing separated);

FIG. 17 is an assembled view of the adjustment mechanism with the display screen in a flat down position according to one embodiment of the present invention (with the rear housing and first dust cover concealed);

FIG. 18 is a rear view of the overall structure of the exercise center in accordance with one embodiment of the present invention;

figure 19 is an exploded view of a rotary mechanism according to one embodiment of the present invention;

fig. 20 is a second exploded view (with the rear case and the second dust-proof case exploded) of the rotating mechanism according to the embodiment of the present invention;

fig. 21 is a third exploded view (rear exploded) of the rotary mechanism according to the embodiment of the present invention;

FIG. 22 is a schematic view of a display screen according to an embodiment of the present invention before rotation;

FIG. 23 is a schematic view of a rotated display screen according to an embodiment of the present invention;

FIG. 24 is a first schematic view of the overall structure of a push button switch according to an embodiment of the present invention;

FIG. 25 is a schematic view in half section of a push button switch in accordance with an embodiment of the present invention;

FIG. 26 is a first exploded view of a push button switch in accordance with an embodiment of the present invention;

FIG. 27 is a second exploded view of the push button switch in accordance with one embodiment of the present invention;

FIG. 28 is a second schematic view of the overall structure of the push button switch according to the first embodiment of the present invention;

fig. 29 is a schematic structural diagram of a dual-screen switching display device according to an embodiment of the invention;

FIG. 30 is a bottom view of the exercise center according to one embodiment of the present invention;

fig. 31 is a schematic view showing a first chest expander according to an embodiment of the present invention mounted on a base;

FIG. 32 is a schematic isometric view of an exercise center according to one embodiment of the present invention;

fig. 33 is a schematic view showing a combined structure of a first chest expander according to an embodiment of the present invention;

fig. 34 is an exploded view of a first chest expander in accordance with an embodiment of the present invention;

FIG. 35 is an exploded view of the first torque output mechanism of the present invention;

fig. 36 is an exploded view of a second chest expander in accordance with an embodiment of the present invention;

FIG. 37 is an isometric view of the treadmill structure of one embodiment of the present invention in a closed and collapsed configuration;

FIG. 38 is an isometric view of the treadmill structure of one embodiment of the present invention in a fully collapsed configuration;

FIG. 39 is a schematic structural diagram of a base according to an embodiment of the present invention;

FIG. 40 is a schematic view of a cross-flow fan and an anion generator of an embodiment of the present invention after they are assembled in a cavity;

FIG. 41 is a schematic structural view of a cross-flow fan and an anion generator before they are assembled in a cavity according to an embodiment of the present invention;

FIG. 42 is a schematic structural view of a cross flow fan and an anion generator according to an embodiment of the present invention;

FIG. 43 is an exploded view of a roller shade according to an embodiment of the present invention;

FIG. 44 is a schematic view of a roller shade according to an embodiment of the present invention placed inside the upper cover of the frame;

FIG. 45 is a front isometric view of a gym center with a roller shade according to an embodiment of the present invention shown in the front view;

FIG. 46 is a front isometric view of a gym center before a roller shade is lowered in accordance with an embodiment of the present invention;

FIG. 47 is a rear isometric view of a fitness center with a roller shade in place according to one embodiment of the present invention;

FIG. 48 is a schematic axial view of a running board structure in a folded state according to an embodiment of the present invention;

FIG. 49 is a schematic side view of the treadmill structure in a folded state according to one embodiment of the present invention;

FIG. 50 is an enlarged view at C of FIG. 49;

fig. 51 is a schematic axial view of the treadmill structure in a deployed state according to an embodiment of the present invention.

Description of reference numerals:

the armrest comprises an armrest 1, a frame 2, a mounting box 21, a cross beam 22, a vertical beam 23, a cavity 24, a side cover 25, an air outlet 26, a left support 27, a right support 28, a curtain outlet 29, a driving device 3, an armrest driving motor 31, a gear set 32, an output shaft 33, a clasping device 4, a fixed toothed plate 41, a second shaft hole 411, a first concave cavity 412, a first connecting boss 413, a gear ring 414, an eccentric block seat 415, an eccentric block 42, a first eccentric block 421, a first clamp spring groove 4211, a first blocking groove 4212, a first eccentric hole 4213, a second eccentric block 422, a second clamp spring groove 4221, a second blocking groove 4222, a second eccentric hole 4223, an eccentric blocking ring 43, an eccentric block 431, an eccentric shaft seat 432, a first shaft hole 433, a abdicating groove 434, a bush 435, an inner gear ring 44, an inner tooth 441, a third shaft hole 442, a clamp spring 45, a clamp spring foot 451, a movable toothed plate 46, a fourth shaft hole 461, a second shaft hole 462, a tooth socket 464, a, A closed ring 47, a rotating shaft 5, a running belt 6, a front roller 7, a rear roller 8, a running table 9, a pulley 91, a motor (brushless motor) 10, a motor control board 11, a brake resistor 12, a gradient sensor 13, a synchronous belt 14, a belt wheel 15, a running table lead screw 16, a running table nut 17, a running table convex shaft 18, a belt pulley,

the tilting mechanism 19, a first rotating motor 191, a first screw 192, a first gear 193, a second bearing 194, a first bearing 195, a rotating mechanism 20, a second rotating motor 201, a second screw 202, a second gear 203, a center hole 2031, a main display 30, a display mounting plate 301, a front casing 3011, a front half cover 30111, a rear half cover 30112, a rear casing 3012, a first dust-proof housing 3013, a shaft hole 3014, a protruding shaft 302, a stopper piece 303, a second dust-proof housing 304, a first gear cover 201, a second gear cover 202, a second gear cover 3011, a front half cover 301,

The touch screen comprises a mounting seat 50, an upper convex column 501, a lower convex column 502, a PCB 51, an upper contact switch 511, a lower contact switch 512, a hook groove 513, a through hole 514, a swinging component 52, a swinging seat 521, a screw hole 5211, an abdicating groove 5212, a rotating shaft 522, a knob component 53, a knob 531, a hollow encoder 532, an inner cavity 5321, a pressing component 54, a button cover 541, a button bracket 542, a hook 5421, a pressing column 5422, an elastic piece 543, a microswitch 544, a button display 545 and a display control unit 546,

A first control unit 60, a button switch 61, a button display 62, a second control unit 63, a main board 64,

The first spring exerciser 70, the first torque output mechanism 701, the torque motor 7011, the worm 7012, the turbine 7013, the output shaft 7014, the first hub 702, the first groove 7021, the outer peripheral surface 7022 of the first hub, the first coil spring 703, the first pull wire 704, the first pull handle 705, the housing 706, the upper housing 7061, the lower housing 7062, the wire outlet 7063, the second spring exerciser 71, the second torque output mechanism 711, the second pull wire 712, the second pull handle 713, the second hub 714, the second groove 7141, the outer peripheral surface 7142 of the second hub, the second coil spring 715, the base 72, the protruding part 721, the first outlet 722, the second outlet 723, the containing cavity 724, the opening 725, the body fat scale 74, the second outlet 722, the body fat scale 74, the second outlet 7021, the first groove 7021, the second groove 7021, the,

A cross flow fan 80, a fan motor 801, an impeller 802, a negative ion generator 81, a rolling screen 82, a clamping strip 821, a scroll 83, a rolling screen driving motor 84,

Stop 90, ramp 901.

Detailed Description

The invention is described in detail below with reference to the accompanying drawings and specific embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", horizontal ", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

The invention relates to a body-building center, and figure 1 shows an overall structure schematic diagram of the body-building center, which is combined with figure 6, and the body-building center comprises a handrail 1, a frame 2, a driving device 3, a holding device 4, a first lifting mechanism, a rotating shaft 5, a running belt 6, a front roller 7, a rear roller 8, a running platform 9, a motor 10, a motor control board 11, a brake resistor 12, a gradient sensor 13, a main display screen 30, a pitching mechanism 19 and a rotating mechanism 20.

Both sides of frame 2 are fixed mounting one respectively hold tightly device 4, every it all rotates on device 4 and installs one to hold tightly handrail 1, drive arrangement 3 sets up on handrail 1, it supplies to hold tightly to be equipped with on device 4 the first shaft hole 433 that drive arrangement 3's output shaft 33 connects, drive arrangement 3 drive handrail 1 is relative frame 2 rotates the back, through hold tightly device 4 and hold tightly fixedly.

Preferably, two sides of the frame 2 are respectively provided with a mounting box 21, the tail end of the mounting box 21 protrudes out of the frame 2, and the tail end of the mounting box 21 is used for fixing the clasping device 4.

As shown in fig. 3-4, the clasping device 4 includes a fixed toothed plate 41, an eccentric block 42, an eccentric retainer ring 43, an inner gear ring 44, a clamp spring 45, a movable toothed plate 46 and a closing ring 47, where the fixed toothed plate 41 is disc-shaped, a second shaft hole 411 is formed in the axial middle of the fixed toothed plate 41, a first concave cavity 412 is concavely formed in one side surface of the fixed toothed plate 41 in the thickness direction, the first concave cavity 412 is used for accommodating the eccentric block 42 and the inner gear ring 44, a group of first connecting bosses 413 for connecting with the frame 2 is convexly formed in the other side surface of the fixed toothed plate 41 in the thickness direction, and the number of the group of first connecting bosses 413 shown in the drawings is six, but the number is not limited by this embodiment; a ring gear 414 is formed on the inner circumferential wall of the first cavity 412, and an eccentric block holder 415 is protruded on a side of the second shaft hole 411 facing the first cavity 412. The eccentric block 42 comprises a first eccentric block 421 and a second eccentric block 422, the first eccentric block 421 and the second eccentric block 422 have the same shape and are both circular rings, a pair of first blocking grooves 4212 are formed on the outer ring of the first eccentric block 421, a first eccentric hole 4213 is formed in the middle of the first eccentric block 421, a first snap spring groove 4211 is formed at one end of the first eccentric hole 4213, the shape of the first snap spring groove 4211 is not limited at all, the shape illustrated in the example is a dovetail groove, a pair of second blocking grooves 4222 are formed on the outer ring of the second eccentric block 422, the pair of second blocking grooves 4222 correspond to the pair of first blocking grooves 4212, a second eccentric hole 4223 corresponding to the first eccentric hole 4213 is formed in the middle of the second eccentric block 422, a second snap spring groove 4221 is formed at one end of the second eccentric hole 4223, and the second snap spring groove 4221 is the same as the first snap spring groove 4211 in shape, The positions of the first eccentric block 421 and the second eccentric block 422 are arranged in a staggered manner with a partially overlapped part being forked, the first eccentric block 421 and the second eccentric block 422 are respectively sleeved on the eccentric block seat 415 through a first eccentric hole 4213 and a second eccentric hole 4223, when the eccentric block is installed, the first eccentric block 421 and the second eccentric block 422 of the eccentric block 42 are arranged in an overlapped manner, a pair of first retaining grooves 4212 on the first eccentric block 421 are aligned with a pair of second retaining grooves 4222 on the second eccentric block 422, the first eccentric hole 4213 is aligned with the second eccentric hole 4223, the first clamp spring groove 4211 and the second clamp spring groove 4221 are arranged in a staggered manner, inner arc surfaces of the first eccentric block 421 and the second eccentric block 422 are matched with an outer arc surface of the eccentric block seat 415, and outer arc surfaces of the first eccentric block 421 and the second eccentric block 422 are matched with an inner arc surface of the lining 435 in the inner gear ring 44. The eccentric retainer ring 43 is circular, the first shaft hole 433 is formed in the axial middle of the eccentric retainer ring 43, the shape of the first shaft hole 433 is not limited, and the eccentric retainer ring may be star-shaped or quincunx-shaped, etc., a pair of eccentric stoppers 431 is convexly arranged on one side surface of the eccentric retainer ring 43 in the thickness direction, an eccentric shaft seat 432 is convexly arranged on one side of the first shaft hole 433 facing the eccentric stoppers 431, the eccentric shaft seat 432 is arranged in the second shaft hole 411 of the fixed tooth plate 41, the pair of eccentric stoppers 431 is arranged in the pair of first retaining grooves 4212 and the pair of second retaining grooves 4222 of the first eccentric block 421 and the second eccentric block 422, and the outer circumferential edge of the eccentric retainer ring 43 is further provided with a abdicating groove 434 for the pair of snap spring feet 451 of the snap spring 45 to pass through; the inner gear ring 44 is in a ring shape, a third shaft hole 442 is formed in the axial middle of the inner gear ring 44, a wear-resistant bushing 435 is fixedly arranged in the third shaft hole 442, the inner gear ring 44 is arranged in a cavity formed by the fixed gear plate 41 and the movable gear plate 46, inner teeth 441 used for being meshed with the gear ring 414 are arranged on the radial outer circumferential wall body of the inner gear ring 44, the number of teeth of the inner teeth 441 is smaller than that of the gear ring 414 of the fixed gear plate 41, the number of teeth of the inner teeth 441 provided in this embodiment is one less than that of the gear ring 414, but the number is not particularly limited, the inner teeth 441 are respectively meshed with the gear ring 414 on the fixed gear plate 41 and the tooth grooves 463 on the movable gear plate 46, and only one tooth of the inner teeth 441 and the gear ring 414 is completely meshed in the action process. The clamp spring 45 is in a ring shape, the clamp spring 45 is arranged in a containing cavity formed by the movable toothed plate 46 and the inner gear ring 44, a pair of clamp spring feet 451 hooked with the first clamp spring groove 4211 and the second clamp spring groove 4221 are formed at the opening end of the clamp spring 45, when the first eccentric block 421 and the second eccentric block 422 of the clamp spring feet 451 are dislocated, an outward expanding force is provided, the first eccentric block 421 and the second eccentric block 422 can clamp the pair of eccentric stoppers 431, and the first eccentric block 421 and the second eccentric block 422 apply a force to the inner gear ring 44, so that no gap exists among the inner gear ring 44, the fixed toothed plate 41 and the movable toothed plate 46 when the inner gear ring, the fixed toothed plate 41 and the movable toothed plate 46 are meshed. The movable tooth plate 46 is disc-shaped, a fourth shaft hole 461 is formed in the axial middle of the movable tooth plate 46, a second concave cavity 462 is concavely formed in one side surface of the movable tooth plate 46 in the thickness direction, a group of second connecting bosses 464 used for being connected with the armrest 1 are convexly formed in the other side surface of the movable tooth plate 46 in the thickness direction, the number of the group of second connecting bosses 464 shown in the figure is six, but the number is not limited by the embodiment; a tooth groove 463 for engaging with the internal teeth 441 is formed on an inner circumferential wall of the second cavity 462; the closed ring 47 is wrapped around the outer edges of the fixed tooth plate 41 and the movable tooth plate 46, so that the fixed tooth plate 41 and the movable tooth plate 46 are fixed and cannot fall off in work, and the clasping device 4 is ensured not to axially shift and radially jump in use.

When adopting the electrodynamic type drive, drive arrangement 3 can be the combination of motor and speed reduction subassembly or transmission assembly, perhaps drive arrangement 3 is the motor that can output high torsion, and when needs manual drive, drive arrangement 3 can be for rotating the hand wheel.

Taking the driving device 3 shown in fig. 4 as an example of a combination of a motor and a transmission assembly, the driving device 3 is disposed inside the handrail 1, the driving device 3 includes a handrail driving motor 31, a gear set 32 and an output shaft 33, a motor shaft of the handrail driving motor 31 is connected to the gear set 32, the gear set 32 is provided with the output shaft 33, and the handrail driving motor 31 drives the output shaft 33 to rotate through the gear set 32.

The working principle of the clasping device of the invention is that the first connecting boss 413 is welded with the mounting box 21 on the frame 2, the second connecting boss 464 is welded with the armrest 1, the driving device 3 in the armrest 1 drives the output shaft 33 to rotate, so as to drive the eccentric retainer ring 43 to rotate, the eccentric retainer ring 43 is matched with the pair of first retaining grooves 4212 and the pair of second retaining grooves 4222 on the first eccentric block 421 and the second eccentric block 422 of the eccentric block 42 through the pair of eccentric retaining blocks 431, so as to drive the first eccentric block 421 and the second eccentric block 422 of the eccentric block 42 to rotate, as the first eccentric hole 4213 and the second eccentric hole 4223 on the first eccentric block 421 and the second eccentric block 422 of the eccentric block 42 are eccentric relative to the first eccentric block 421 and the second eccentric block 422, the inner gear ring 44 can be pushed to perform eccentric motion, so as to change the angle of the movable gear plate 46, thereby achieving the effect of controlling and adjusting the angle of the armrest 1, as long as the output shaft 33 is ensured to be stationary, the armrest 1 can be held tightly at any angle.

As shown in fig. 2, in order to ensure the synchronism between the armrests 1, a rotating shaft 5 is connected between the two armrests 1.

For ease of reference, fig. 8 and 10 are enlarged partial views of fig. 7 and 9, respectively.

The brushless motor 10 is preferably selected as the motor 10.

The front end of the running platform 9 is provided with the front roller 7, the rear end of the running platform 9 is provided with the rear roller 8, the running belt 6 is sleeved outside the running platform 9, two ends of the running belt 6 are respectively wound on the front roller 7 and the rear roller 8, the output end of the brushless motor 10 is connected with the front roller 7, the brushless motor 10 can drive the front roller 7 to rotate in a labor-saving manner by arranging a transmission mechanism between the brushless motor 10 and the front roller 7, the transmission mechanism can adopt a turbine worm mechanism or a gear transmission scheme, the scheme is not limited, the embodiment is described by taking the synchronous belt transmission mechanism as an example, the transmission mechanism comprises a synchronous belt 14 and a belt wheel 15, the front roller 7 is provided with a central shaft, the belt wheel 15 is fixed with the central shaft of the front roller 7, two ends of the synchronous belt 14 are respectively wound on the output end of the brushless motor 10 and the belt wheel 15, when the running belt is in work, the front roller 7 serves as a driving wheel, the rear roller 8 serves as a driven wheel, the brushless motor 10 is started firstly, the belt wheel 15 is driven to rotate through the synchronous belt 14, the front roller 7 rotates, and therefore the running belt 6 can run.

The brushless motor control board 11 is respectively connected with the brushless motor 10, the brake resistor 12 and the gradient sensor 13.

The gradient sensor 13 will automatically record the gradient data when the running platform 9 is ascending and descending, then send the gradient data to the brushless motor control board 11, the brushless motor control board 11 will control the brushless motor 10 to adjust the resistance value of the brake resistor 12 according to the power consumption that the brushless motor 10 needs to consume, when the gradient of the running platform 9 is not ascending, assume the constant speed as V, when the gradient is ascending, the brushless motor 10 charges reversely to the brake resistor 12 at the constant speed, the resistance value of the brake resistor 12 decreases, the output end rotating speed of the brushless motor 10 decreases, the rotating speed of the front roller 7 decreases, the speed of the running belt 6 decreases, at this moment, the speed is V-, which is slower than the constant speed V, but adds the acceleration caused by the stall, so that the speed of the user is consistent with the constant speed, when the gradient is descending, the resistance value of the brake resistor 12 increases, the output end rotating speed of the brushless motor 10 increases, the rotation speed of the front roller 7 is increased, the speed of the running belt 6 is increased, the speed is V at the moment, and the running belt returns to the constant speed when not rising, thereby achieving the purpose that the running belt 6 can keep the constant speed at high and low slopes.

The lifting mechanism of the body-building center can be various, the invention adopts a first lifting mechanism which can be used for folding and lifting, the first lifting mechanism is arranged on the frame, the front part of the running platform 9 is connected with the first lifting mechanism, and the first lifting mechanism drives the front part of the running platform 9 to lift, thereby realizing the lifting of the gradient of the running platform 9. First elevating system includes that two run a platform lead screw 16, a gear motor and cooperation run a platform nut 17 on running a platform lead screw 16, what fig. 11 shows is the first elevating system's on the unilateral lead screw structural schematic diagram, 2 both sides of frame are vertical installation respectively and run a platform lead screw 16, and two run a platform lead screw 16 and connect a gear motor, run 9 anterior both sides of platform and be equipped with and run a protruding axle 18, run and be equipped with on the platform nut 17 and supply to run a first recess that protruding axle 18 was placed, run a cooperation of nut 17 on running a platform lead screw 16, drive and run that 9 front portions are gone up and down along running a platform lead screw 16 and move. The gradient sensor 13 can be designed on a first speed reduction motor of the lifting mechanism to monitor the lifting condition, namely the gradient, of the running platform driven by the lifting mechanism in real time.

Because the running belt 6 can slightly brake and decelerate when the gradient of the running platform 9 is increased, and the handrail 1 can be tightly held at any angle, when the fitness user uses the fitness device, the gradient of the running platform 9 can be increased to form a hill, and then the handrail 1 is rotated to an upward-warping angle to form a mountain climbing stick, so that the fitness user can grasp the rotating and tightly held mountain climbing stick and step on the hill just like running in a rock climbing-like motion mode, and the fitness device is more innovative than a common running mode and meets the requirement that people cannot climb mountains outdoors.

As shown in fig. 15 to 17, the tilting mechanism 19 includes a first rotating motor 191, a first screw 192, and a first gear 193, and referring to fig. 13, 14, and 18, the armrests 1 are respectively disposed on two sides of the frame 2, the two armrests 1 are rotatably connected to the rotating shaft 5, and the main display 30 is mounted on the rotating shaft 5; the rotation joint of the rotating shaft 5 on the armrest 1 is provided with a first bearing 195, the main display screen 30 is installed on the rotating shaft 5, the rotating shaft 5 is fixedly sleeved with a first gear 193, the sleeved joint is provided with a second bearing 194, the first gear 193 can be sleeved on the rotating shaft 5 and then connected with the rotating shaft 5 through a key, the first screw 192 is provided with external threads to be in threaded fit with the first gear 193, and the first rotating motor 191 is connected with and drives the first screw 192 to rotate.

The main display screen 30 is detachably fixed on the rotating shaft 5, the detachable structure may be various, and the present embodiment adopts a simpler structure, specifically, a display screen mounting plate 301 is arranged between the main display screen 30 and the rotating shaft 5, the main display screen 30 is mounted on the display screen mounting plate 301, and the display screen mounting plate 301 is detachably fixed on the rotating shaft 5; the display panel mounting plate 301 includes a front casing 3011 and a rear casing 3012, the main display 30 is mounted on the front casing 3011, the front casing 3011 and the rear casing 3012 are covered together to form a cavity for accommodating the first rotating motor 191, the first screw 192, the first gear 193, and the rotating shaft 5. The adjusting mechanism 1 can be designed inside the display screen mounting plate 301, the pitching angle of the main display screen 30 is controlled by controlling the display screen mounting plate 301, and the rotating shaft 5 penetrates out of the two sides of the display screen mounting plate 301 and is rotatably connected to the armrest 1.

The front casing 3011 is integrally formed with a front half cover 30111 at the front half part of the rotating shaft 5, and is formed with a rear half cover 30112 fastened with the front half cover 30111 separately, the front half cover 30111 is provided with a semicircular groove for accommodating the front half part of the rotating shaft 5, and the rear half cover 30112 is provided with the same semicircular groove for accommodating the rear half part of the rotating shaft 5; the front shell 3011 is provided with screws, the front half cover 30111 is provided with threaded holes, the rear half cover 30112 is provided with through holes at positions corresponding to the threaded holes, the screws penetrate through the through holes and then are tightly matched and connected with the threaded holes, so that the rear half cover 30112 is fixed on the front half cover 30111, when the main display screen 30 needs to be detached, the rear shell 3012 is opened first, then the screws are loosened, the rear half cover 30112 is taken down, and finally the main display screen 30 and the display screen mounting plate 301 are taken down from the rotating shaft 5, which is very convenient. In this embodiment, a first dust-proof housing 3013 is further disposed outside the first gear 193 and the first screw 192 to prevent dust from entering the threaded engagement between the first gear 193 and the first screw 192.

In order to increase structural stability, the front half cover 30111 and the rear half cover 30112 are two in number and are respectively located on two sides of the back surface of the front casing 3011, and the first gear 193 is located on the rotating shaft 5 between the two front half covers 30111.

As shown in fig. 15 and 16, the main display 30 of the present invention tilts up in an angle manner, the first rotating motor 191 rotates forward to drive the first screw 192 to rotate forward, the first screw 192 drives the first gear 193 to rotate upward through the threaded structure, so that the first gear 193 drives the display mounting plate 301 fixed on the same rotating shaft 5 and the main display 30 to tilt up, and conversely, the main display 30 tilts up in an angle manner, as shown in fig. 17, the first rotating motor 191 rotates backward to drive the first screw 192 to rotate in a reverse direction, the first screw 192 drives the first gear 193 to rotate downward through the threaded structure, so that the first gear 193 drives the display mounting plate 301 fixed on the same rotating shaft 5 and the main display 30 to tilt down, thereby adjusting the tilt angle of the main display 30.

As shown in fig. 18 to 21, the rotating mechanism 20 includes a second rotating electrical machine 201, a second screw 202, and a second gear 203, the display panel mounting plate 301 forms a cavity for accommodating the second rotating electrical machine 201, the second screw 202, and the second gear 203, and the second rotating electrical machine 201 is fixed on the front housing 3011.

The second rotating motor 201 is connected with and drives the second screw 202 to rotate, the second screw 202 is provided with external threads matched with the second gear 203 in threads, a shaft hole 3014 is formed in the front shell of the display screen mounting plate 301, a convex shaft 302 is arranged behind the main display screen 30, and during installation, the convex shaft 302 penetrates through the shaft hole 3014 and then is fixed with a center hole 2031 of the second gear 203. The protruding shaft 302 is keyed into the central bore 2031 of the second gear 203. Then, the outer end surface of the protruding shaft 302 is provided with a limiting piece 303, the limiting piece 303 is locked on the outer end surface of the protruding shaft 302 by a screw (not shown in the figure), and the limiting piece 303 limits the axial movement of the second gear 203. Finally, a second dust-proof housing 304 is provided outside the second gear 203 and the second screw 202 to prevent dust from entering the threaded engagement between the second gear 203 and the second screw 202.

Referring to fig. 22, which is a schematic diagram of the main display 30 of the present invention in a normal state and not rotating yet, when the main display 30 of the present invention needs to rotate, the second rotating motor 201 is started to drive the second screw 202 to rotate, the second screw 202 drives the second gear 203 to rotate through a thread structure, so that the second gear 203 drives the main display 30 to rotate through the protruding shaft 302, and as shown in fig. 23, the main display 30 is electrically controlled to rotate; of course, fig. 17 is only a schematic diagram of the main display 30 rotated by 90 degrees, and the rotation angle of the present invention may be any, so that various angular states of the main display 30, such as horizontal, vertical, and oblique, can be achieved.

In addition, because the armrest 1 can rotate relative to the frame, the present invention also has a function of adjusting the main display 30 to move up and down, the armrest 1 drives the rotating shaft 5 and the main display 30 on the rotating shaft 5 to move up and down, so as to realize height change, and further facilitate the user to define the position of the main display.

The exercise center further comprises a push button switch, as shown in fig. 24 to 28, comprising a mounting base 50, a PCB board 51, a swing assembly 52, a knob assembly 53, a pressing assembly 54;

the PCB 51 is positioned above the mounting seat 50, the knob assembly 53 is mounted on the PCB 51, and the knob assembly 53 is of an annular hollow structure and is used for installing the pressing assembly 54;

the swing assembly 52 includes a swing seat 521 and a rotating shaft 522, the swing seat 521 is fixed at the bottom of the PCB 51, a screw hole 5211 is formed in the outer periphery of the swing seat 521, and a through hole 514 is formed in the PCB 51 corresponding to the screw hole 5211 for a screw (not shown) to pass through and to be matched with the screw hole 5211. The bottom center of swing seat 521 is equipped with rotation axis 522, the both ends of rotation axis 522 are rotated and are connected on the mount pad 50, PCB board 51 bottom sets up contact switch 511 and lower contact switch 512 in the both sides of rotation axis 522 respectively, the groove 5212 of stepping down is seted up in the position that corresponds contact switch 511 and lower contact switch 512 to swing seat 521, be equipped with on the mount pad 50 projection 501 and lower projection 502, go up projection 501 and be located the below of contact switch 511 and lower contact switch 512 respectively with lower projection 502.

The button switch is mounted on a fitness center, such as the main display 30 of the fitness center, by using the mounting seat 50, the rotating shaft 522 provides a middle rotating support for the swing seat 521, so that the swing seat 521 can swing up and down around the rotating shaft 522, and since the upper convex column 501 and the lower convex column 502 are arranged below the upper contact switch 511 and the lower contact switch 512, when the swing seat 521 swings up, the upper convex column 501 touches the upper contact switch 511 to trigger a corresponding function through the PCB 51, and when the swing seat 521 swings down, the lower convex column 502 touches the lower contact switch 512 to trigger a corresponding function through the PCB 51.

As shown in fig. 1, in an embodiment, the exercise center includes a treadmill 9, a main display 30 and a frame 2, wherein the treadmill 9 and the main display 30 are both mounted on the frame 2, the main display 30 is provided with a main board (not shown) electrically connected to the treadmill 9, and the button switch is mounted on the main display 30 and connected to the main board. The upper stud 501 touches the upper contact switch 511 to be connected to the main board through the PCB 51 to control the slope of the treadmill 9 to rise, and the lower stud 502 touches the lower contact switch 512 to be connected to the main board through the PCB 51 to control the slope of the treadmill 9 to fall.

The knob component 53 of the present disclosure can be used for controlling the speed of the running platform 9 on the fitness center, the pressing component 54 can be used for controlling the starting and stopping of the running platform 9 on the fitness center, the structures of the knob component 53 and the pressing component 54 can be various, in this embodiment, only a simpler one is adopted, specifically, the knob component 53 includes a circular ring-shaped knob 531 and a hollow encoder 532, the hollow encoder 532 is fixed on the PCB board 51, the outer side wall of the hollow encoder 532 has an outer ring capable of rotating around the central axis of the hollow encoder 532, the knob is fixedly connected with the outer ring, and when the knob rotates, the outer ring of the hollow encoder 532 is driven to rotate; the hollow encoder 532 has a hollow inner cavity 5321 for the pressing component 54 to be inserted and installed.

The pressing component 54 comprises a button cover 541, a button bracket 542, an elastic piece 543 (specifically a spring) and a microswitch 544, the button cover 541 is covered on the upper portion of the button bracket 542, the button bracket 542 is placed in the hollow encoder 532, the elastic piece 543 is arranged between the button bracket 542 and the PCB 51, a hook 5421 axially penetrating through the inner cavity 5321 is arranged at the bottom of the button bracket 542 along the inner wall of the hollow encoder 532, the PCB 51 is provided with a hook groove 513, and the hook 5421 penetrates through the hook groove 513 and hooks the back of the hook groove 513; the PCB 51 is provided with the microswitch 544, the microswitch 544 is positioned at the bottom of an inner cavity 5321 of the hollow encoder 532, a pressing column 5422 corresponding to the upper part of the microswitch 544 is arranged in the middle of the bottom of the button support 542, when the button cover 541 is pressed, the button support 542 moves downwards, the pressing column 5422 of the button support 542 triggers the microswitch 544 to complete starting or stopping of the running table 9, the elastic piece 543 is compressed, the hook 5421 is far away from the hook groove 513 at the moment, when the button cover 541 is pressed by releasing, the elastic piece 543 resets to drive the button cover 541 and the button support 542 to reset, and the hook 5421 hooks the back of the hook groove 513 again.

The button switch further has the same data display function as the main display screen 30, the button cover 541 is made of transparent materials, a display screen cavity is formed between the button cover 541 and the button support 542 and used for installing a button display screen 545 and a display screen control unit 546, the display screen control unit 546 is installed on the button support 542 and electrically connected with the PCB 51, the button display screen 545 is installed above the display screen control unit 546, the button cover 541 is made of transparent materials, and the button display screen 545 can display data information of the fitness center, wherein the data information comprises images, numbers, characters and the like.

The exercise center further includes a dual-screen switching display device, as shown in fig. 29, which includes a main display screen 30, a first control unit 60, a button switch 61, a button display screen 62, a second control unit 63, and a main board 64.

As shown in fig. 1, the main display 30 is installed on the exercise center, and the first control unit 60 is installed on the main display 30 and can generate a command signal connection with the main display 30;

the button switch 61 is mounted on the main display screen 30;

the button display screen 62 is arranged on the button switch 61, and the second control unit 63 is arranged on the button switch 61 and can generate command signals to be connected with the button switch 61;

the first control unit 60 and the second control unit 63 are both connected to a main board 64, and the main board 64 can receive the display screen switching request signals sent by the first control unit 60 and the second control unit 63, and send display screen switching approval signals or display screen switching refusal signals to the first control unit 60 and the second control unit 63 respectively.

The type of the main display 30 includes, but is not limited to, a touch type, which is more convenient for the user to use, the user can touch the main display 30 and connect the main board 64 through the first control unit 60, so that the main board 64 corresponds to different motion adjustments on the exercise center, such as slope adjustment, speed adjustment, starting, stopping, and the like; similarly, the type of the button display 62 includes, but is not limited to, a touch type, but the button display 62 controls the main board 64 through the second control unit 63; the push button switch 61 may also be designed to be mechanical, and the type of the push button switch 61 includes, but is not limited to, mechanical type, and the mechanical type push button switch 61 may drive the second control unit 63 through physical operations such as rotation, swing, press, etc. to respectively correspond to different motion adjustments on the exercise center.

The working process of the invention is as follows:

the user can select one or synchronize the display screens on the main display screen 30 or the button display screen 62; when a user wants to display on the main display 30 and the button display 62 does not display, the first control unit 60 of the main display 30 sends a display switching request signal to the main board 64, and after the main board 64 receives the display switching request signal sent by the first control unit 60, the main board 64 sends a display switching approval signal to the first control unit 60 and sends a display switching refusing signal to the second control unit 63, so that the purposes of displaying on the main display 30 and not displaying on the button display 62 are achieved;

when the user wants to display on the button display 62 but not on the main display 30, the second control unit 63 of the button switch 61 sends a display screen switching request signal to the main board 64, and after the main board 64 receives the display screen switching request signal sent by the second control unit 63, the main board 64 sends a display screen switching approval signal to the second control unit 63 and sends a display screen switching rejection signal to the first control unit 60, so that the purpose of displaying on the button display 62 and not displaying on the main display 30 is achieved;

when a user wants to synchronously display on the button display 62 and the main display 30, the first control unit 60 of the main display 30 and the second control unit 63 of the button switch 61 both send a display switching request signal to the main board 64, and after the main board 64 receives the display switching request signals sent by the first control unit 60 and the second control unit 63, the main board 64 sends a display switching approval signal to the first control unit 60 and the second control unit 63 respectively, so that the purpose of synchronously displaying on the button display 62 and the main display 30 is achieved.

The exercise center further comprises a base 72, a first chest developer 70 and a second chest developer 71, wherein the running platform 9 is connected to the frame 2, the base 72 is arranged at the bottom of the frame 2, the width of the base 72 is larger than that of the running platform 9, so that the base 72 protrudes to two sides of the running platform 9, at least more than one first chest developer 70 is arranged at the protruding part 721, in one embodiment, the number of the first chest developers 70 is two, and the protruding parts 721 at two sides of the running platform 9 of the base 72 are respectively provided with one first chest developer 70, so that the protruding parts 721 at two sides of the running platform 9 can use the first chest developer 70; the first spring exerciser 70 comprises a first torque output mechanism 701, a first pull wire 704 and a first pull handle 705, the first torque output mechanism 701 is arranged inside the base 72, the base 72 is provided with a first outlet 722, one end of the first pull wire 704 is connected with the first torque output mechanism 701, and the other end of the first pull wire 704 penetrates through the first outlet 722 and is connected with the first pull handle 705.

In a preferred embodiment, two sides of the frame 2 are respectively rotatably provided with one handrail 1, the second chest developer 71 is arranged on the handrail 1, the number of the second chest developers 71 is at least more than one, in this embodiment, the number of the second chest developers 71 is two, and two handrails 1 are respectively provided with one second chest developer 71; the second chest expander 71 comprises a second torque output mechanism 711, a second pulling wire 712 and a second pulling handle 713, the second torque output mechanism 711 is arranged inside the armrest 1, a second outlet 723 is formed in the bottom surface of the armrest 1, one end of the second pulling wire 712 is connected with the second torque output mechanism 711, and the other end of the second pulling wire 712 penetrates through the second outlet 723 and is connected with the second pulling handle 713.

The scheme is characterized in that on one hand, the first chest developer 70 is arranged on the base, the vacant space of the base is fully utilized, so that a user can pull the first chest developer 70 from bottom to top to do pulling force exercise, the second chest developer 71 is arranged on the handrail 1, the handrail 1 also has rotating work, when the handrail 1 rotates to be in a vertical state, the second chest developer 71 can face the user, the user can conveniently do pulling force exercise on the front side, and the chest developers at different positions can meet the requirements of the user on different actions and different directions; on the other hand, the torque output mechanisms of the first and

second chest tensioners

70 and 71 can each be designed to be electrically controlled or not, or the first torque output mechanism 701 can be electrically controlled and the second torque output mechanism 711 can be electrically non-controlled, or the first torque output mechanism 701 can be electrically non-controlled and the second torque output mechanism 711 can be electrically controlled. For production convenience, the second spring exerciser 71 may be designed to have the same structure as the first spring exerciser 70. Of course, in order to avoid the stress of electricity, the preferred embodiment provides a parallel scheme that the first torque output mechanism 701 is in an electrically controlled form and the second torque output mechanism 711 is in an electrically non-controlled form, and the specific structure is described in detail as follows:

the first torque output mechanism 701 is in an electrically controlled form. The first spring exerciser 70 further comprises a first hub 702, a first coil spring 703 and a housing 706, wherein one end of the first pull wire 704 is wound on the outer peripheral surface 7022 of the first hub, the other end of the first pull wire 704 is connected with the first handle 705, a first groove 7021 is formed in the wheel surface of the first hub 702 for the first coil spring 703 to be placed, an output shaft 7014 of the first torque output mechanism 701 penetrates through the central hole of the first hub 702 and is fixedly connected with the inner end of the first coil spring 703, and the outer end of the first coil spring 703 is fixed on the inner peripheral surface of the first groove 7021.

The first torque output mechanism 701 is a combination of a motor and a speed reduction assembly or a transmission assembly, or the first torque output mechanism 701 is a motor capable of outputting high torque.

As shown in fig. 35, in a preferred embodiment, the first torque output mechanism 701 is a combination of a motor and a transmission assembly, specifically, the first torque output mechanism 701 includes a torque motor 7011, a worm gear 7012 of a turbine 7013, and an output shaft 7014, the torque motor 7011 is connected to the worm gear 7012 of the worm gear 7013 and the worm gear 7012 is fitted to an edge of the turbine 7013 of the worm gear 7012 transmission mechanism of the turbine 7013, and a center of the turbine 7013 is fixedly connected to the output shaft 7014. When the first torque output mechanism 701 is operated, the torsion motor 7011 drives the worm 7012 to rotate, so as to drive the output shaft 70 on the turbine 7013.

As shown in fig. 34 and 35, the housing 706 is composed of an upper housing 7061 and a lower housing 7062, the upper housing 7061 and the lower housing 7062 are covered and fixed together to form an inner cavity, the inner cavity is used for placing the first torque output mechanism 701, the first hub 702, the first coil spring 703 and the first pull wire 704, the structure of the inner cavity can be adaptively designed according to the sizes of the first torque output mechanism 701, the first hub 702, the first coil spring 703 and the first pull wire 704, and the housing 706 is provided with an outlet 7063 for extending the first pull wire 704 and connecting the first pull handle 705.

The first chest expander 70 is used for exercising, when a user pulls the first pull handle 705 outwards, the first pull wire 704 is pulled to rotate the first hub 702 while being stretched, the first hub 702 tensions the first coil spring 703 in the first hub 702, and the first coil spring 703 is gradually tightened until the first coil spring 703 is tightened to the limit, at this time, the first coil spring 703 plays a role of connecting the first pull wire 704 with the output shaft 7014, and then the output shaft 7014 starts to rotate to directly provide resistance to the first pull wire 704, so that the user can continuously receive resistance during use, and muscles are continuously stimulated. When the first handle 705 is released, the first pull wire 704 is released, the output shaft 7014 stops rotating, the first pull wire 704 is quickly released due to the torsion of the first coil spring 703, and returns to the released state to wait for the next pulling of the first handle 705.

It can be seen from the above use exercise process that the torque of the present invention after the first coil spring 703 reaches the limit is completely provided by the output shaft 7014, at the later stage of the tension exercise, the coil spring rebounds to loosen and pull back the pull wire, the motor does not need to be in a stop state, the motor does not need to pull back the pull wire, the motor loss is reduced, the first spring exerciser 70 can control the torque of the torque motor 7011 to control the torque of the output shaft 7014, so that the present invention further has a torque adjusting function, and a user can change according to the actual use requirement, so that the user experience of body building is more abundant.

The second torque output mechanism 711 is in a non-electrically controlled form. As shown in fig. 36, the second spring exerciser 71 further includes a second hub 714, the second torque output mechanism 711 is two second coil springs 715, the second hub 714 is rotatably disposed inside the armrest 1, one end of the second pull wire 712 is wound around an outer circumferential surface 7142 of the second hub, the other end of the second pull wire 712 is connected to the second handle 713, two side wheel faces of the second hub 714 are respectively provided with a second groove 7141, the second grooves 7141 on two sides are respectively provided with one second coil spring 715, an inner end of the second coil spring 715 is fixedly connected to the center of the second groove 7141, and an outer end of the second coil spring 715 is fixed to an inner circumferential surface of the second groove 7141.

The second chest expander 71 is used for exercise, when a user pulls the second pull handle 713 outwards, the second pull wire 712 is pulled to rotate the second hub 714 while the second pull wire 712 is stretched, the second hub 714 tensions the second coil spring 715 in the second hub 714, and the second coil spring 715 is gradually tightened, unlike the first chest expander 70, the torsion of the second chest expander 71 is provided by two second coil springs 715, and the two second coil springs 715 directly provide the torsion for the second pull wire 712, so that the user can continuously receive resistance and continuously stimulate muscles during use. When the second handle 713 is released, the second pulling wire 712 is released, and the second pulling wire 712 is quickly released due to the torsion of the second coil spring 715, returns to the released state, and waits for the next pulling of the second handle 713.

As shown in fig. 1, 37 and 38, the first lifting mechanism is installed on the frame 2, the front part of the running platform 9 is connected with the first lifting mechanism, the first lifting mechanism drives the front part of the running platform 9 to lift, when the front part of the running platform 9 is lifted, the slope is improved, the rear part of the running platform 9 is driven to move towards the frame 2, the whole running platform 9 is folded and combined relative to the frame 2, when the front part of the running platform 9 is lowered, the slope is reduced, the rear part of the running platform 9 is driven to be far away from the frame 2, and the whole running platform 9 is lowered and unfolded relative to the frame 2. In the embodiment of the lifting structure of the treadmill, the treadmill can be folded by lifting the tail part and closing the frame.

The base 72 is arranged at the bottom of the frame 2, the upper surface of the base 72 is recessed to form a containing cavity 724, the running platform 9 is movably arranged above the containing cavity 724, the running platform 9 is connected to the frame 2, and the running platform 9 can be movably folded and unfolded relative to the frame 2;

when the treadmill 9 is lowered and unfolded relative to the frame 2, the treadmill 9 covers the receiving cavity 724, and when the treadmill 9 is folded and folded relative to the frame 2, the receiving cavity 724 is exposed.

The containing cavity 724 can be used for placing articles, such as a body fat scale 74 or a weighing scale, when the containing cavity 724 is exposed, a user can take out the body fat scale 74 for use, after the use is finished, the body fat scale 74 is placed back into the containing cavity 724, finally the running platform 9 is placed and unfolded relative to the frame 2, the containing cavity 724 is covered, and therefore the body fat scale 74 in the containing cavity 724 is hidden.

As shown in fig. 39, in order to conveniently pick and place the body fat scale 74, a finger-sized opening 725 is formed at the edge of the cavity opening of the receiving cavity 724, so that a finger can conveniently extend into the opening 725 and tilt the body fat scale 74.

As shown in fig. 40 and 41, the exercise center further includes a cross-flow fan 80 and a negative ion generator 81, the frame 2 is in a shape of a door, the top of the frame 2 is a cross beam 22, two sides of the cross beam 22 respectively extend downward to form a vertical beam 23, a cavity 24 is arranged inside the housing of the cross beam 22, the cross-flow fan 80 is disposed in the cavity 24 along the length direction of the cross beam 22, an air outlet 26 is formed in the housing of the cross beam 22 corresponding to the cross-flow fan 80, the air outlet 26 faces the treadmill 9, the negative ion generator 81 is disposed in the cavity 24 and is located on the other side of the cross-flow fan 80 opposite to the air outlet 26, that is, the negative ion generator 81 is located on the back of the cross-flow fan 80.

The cross flow fan 80 is widely used in home appliances such as air conditioners, dryers, hair dryers, etc., and has a simple structure, a small volume, a high dynamic pressure coefficient, and compared with other types of low-speed ventilators, the cross flow fan has a high efficiency, and has a narrow and long outlet cross section, and is suitable for being installed in various flat devices for cooling or ventilation, so that the cross flow fan is very suitable for being installed on the cross beam 22 of a fitness center, and the axial length of the cross flow fan can be arbitrarily selected according to the size of the cavity 24, so that the cross flow fan can finally discharge air in a certain length range in a transverse direction, has a wide coverage range, and enables a user to feel cool air while running on the treadmill 9. The structure of the cross flow fan 80 generally includes a fan motor 801 and an impeller 802, the impeller 802 is in a long cylindrical shape, a central shaft of the impeller 802 is connected with a motor shaft of the fan motor 801, when in use, the fan motor 801 can be started by a central control board to drive the impeller 802 to rotate, a left bracket 27 and a right bracket 28 are arranged in the cavity 24, the left bracket 27 is used for fixing the impeller 802, and the right bracket 28 is used for fixing the fan motor 801, so as to fix the cross flow fan 80 in the cavity 24 and increase the structural stability of the cross flow fan 80 in the cavity 24. As shown in fig. 41, the housing of the cross beam 22 includes a side cover 25, one side of the cavity 24 is covered by the side cover 25, and after the side cover 25 is removed, the side cover is used for facilitating the disassembly, assembly and maintenance of the cross flow fan 80 in the cavity 24.

The treadmill 9 can be movably folded and unfolded relative to the frame 2. Fig. 1, 40 and 41 show a running board 9 according to the invention in an unfolded state. The first lifting mechanism can increase or decrease the gradient of the treadmill and adjust the height of a user to adapt to the optimal position blown by the fan.

The exercise center is also provided with a roller blind for shielding running platforms of the exercise center, as shown in fig. 2, 43 and 44, the roller blind 82 is included, a roller 83 along the length direction of the cross beam 21 is arranged in the cavity 23 of the frame, the cavity 23 is provided with a curtain outlet 29 at the position below the roller 83, the top end of the roller blind 82 is wound on the roller 83, and the bottom end of the roller blind 82 extends out of the curtain outlet 29.

The treadmill 9 can be movably folded and unfolded relative to the frame 2.

Fig. 45 is a front view of the running platform 9 of the present invention in the unfolded state, and the rolling curtain 82 is not yet released, and fig. 46 and 47 are a front view and a rear view of the running platform 9 of the present invention in the unfolded state, and the rolling curtain 82 is released to cover the running platform 9, respectively, so that the user can pull the rolling curtain 82 to release the rolling curtain 82 to the bottom of the frame 2 to cover the running platform 9 no matter the running platform 9 is in the folded state or the unfolded state, and when the running platform is not in use, the rolling curtain 82 is retracted from the curtain outlet 29 into the cavity 23, so that the use is convenient.

In the scheme, the rolling shutter 82 can be folded and unfolded manually or electrically driven, when the rolling shutter is electrically driven, only one end of the rolling shaft 83 is connected with a rolling shutter driving motor 84, and the rolling shaft 83 is controlled to be folded and unfolded through the forward and reverse rotation of the rolling shutter driving motor 84.

Since the cavity 23 is covered by the one-side cover 24, the side cover 24 is used for facilitating the assembly, disassembly and maintenance of the parts such as the roller blind 82, the winding shaft 83, the roller blind driving motor 84 and the like in the cavity 23 after the side cover 24 is disassembled.

In order to prevent the bottom end of the rolling blind 82 from being completely retracted into the blind outlet 29 and being not easily drawn out manually, the bottom end of the rolling blind 82 is provided with a clamping strip 821, and the width of the clamping strip 821 is larger than the aperture of the blind outlet 29, so that the clamping strip 821 can be clamped in the blind outlet 29 when retracted.

The body building center further comprises a limiting structure when the running table is folded and unfolded, the first lifting mechanism drives the front part of the running table 9 to lift, when the front part of the running table 9 is lifted, the gradient is improved, the rear part of the running table 9 is driven to move towards the frame 2, the whole running table 9 is folded and combined relative to the frame 2, the bottom of the frame 2 is provided with a base 72, the upper surface of the base 72 is convexly provided with a stop block 90, the stop block 90 can be composed of a plurality of convex blocks positioned on the same straight line, or can be in a shape of long strip as the whole shown in the embodiment, and the scheme is not limited; the stop block 90 is located at the front side of the center line of the running platform 9, and when the running platform 9 is lifted to the limit and is parallel to the frame 2, as shown in fig. 48 and 49, the lower part of the running platform 9 abuts against the stop block 90, and the running platform 9 is folded. An enlarged view of the abutting structure of the lower part of the running platform and the stop block 90 is shown in fig. 50, in an embodiment, one surface of the stop block 90 abutting against the lower part of the running platform 9 is an inclined surface 901, and the inclined surface 901 is designed to allow the lower part of the running platform 9 to be lowered along the inclined surface 901 when the running platform 9 is lowered, so as to play a role in assisting the lowering of the running platform 9. As shown in fig. 51, which is a schematic view of the running platform 9 completely lowered and in a unfolded state, in order to further improve the smoothness of the lowering, the lower portion of the running platform 9 is provided with a pulley 91, so that the pulley 91 can slide downwards along the inclined surface 901 more smoothly with the running platform 9, when the running platform 9 is lifted to the limit parallel to the frame 2, the pulley 91 abuts against the inclined surface 901 of the stopper 90, and the inclined surface 901 abuts against the pulley 91 and the lower portion of the running platform 9 moves forwards.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the design of the present invention, and all equivalent changes made in the design key point of the present invention fall within the protection scope of the present invention.

Claims

1. A fitness center, comprising: the treadmill comprises a main display screen, a handrail, a frame, a rotating shaft, a running belt, a front roller, a rear roller, a running platform, a motor control panel, a brake resistor, a gradient sensor, a driving device, a holding device, a first lifting mechanism, a pitching mechanism and a rotating mechanism;

2. An exercise centre according to claim 1, wherein: the clamping device comprises a fixed toothed plate, an eccentric block, an eccentric retainer ring, an inner gear ring, a clamp spring, a movable toothed plate and a closed ring, wherein the fixed toothed plate is disc-shaped, a second shaft hole is formed in the axial middle of the fixed toothed plate, a first concave cavity is concavely formed in one side surface of the fixed toothed plate in the thickness direction, a group of first connecting bosses used for being connected with the frame are convexly formed in the other side surface of the fixed toothed plate in the thickness direction, a gear ring is formed on the inner circumferential wall body of the first concave cavity, and an eccentric block seat is convexly formed in one side, facing the first concave cavity, of the second shaft hole; the eccentric block comprises a first eccentric block and a second eccentric block, the first eccentric block and the second eccentric block have the same shape and are both circular rings, a pair of first baffle grooves are formed on the outer ring of the first eccentric block, a first eccentric hole is arranged in the middle of the first eccentric block, a first clamp spring groove is arranged at one end of the first eccentric hole, a pair of second baffle grooves are formed on the outer ring of the second eccentric block, the positions of the pair of second baffle grooves correspond to the positions of the pair of first baffle grooves, a second eccentric hole corresponding to the first eccentric hole is arranged in the middle of the second eccentric block, a second clamp spring groove is arranged at one end of the second eccentric hole, the second clamp spring groove and the first clamp spring groove have the same shape and are arranged in a staggered way with the positions thereof being partially overlapped and partially separated, the first eccentric block and the second eccentric block are sleeved on the eccentric block seat through respective first eccentric hole and second eccentric hole respectively; the eccentric retainer ring is circular, the first shaft hole is formed in the axial middle of the eccentric retainer ring, a pair of eccentric stop blocks are arranged on the side face of one side of the eccentric retainer ring in the thickness direction in a protruding mode, an eccentric shaft seat is arranged on one side, facing the eccentric stop blocks, of the first shaft hole in a protruding mode, the eccentric shaft seat is arranged in the second shaft hole of the fixed toothed plate, the pair of eccentric stop blocks are arranged in a pair of first stop grooves and a pair of second stop grooves of the first eccentric block and the second eccentric block, and a abdicating groove is formed in the outer circle edge of the eccentric retainer ring; the inner gear ring is annular, a third shaft hole is formed in the axial middle of the inner gear ring, and inner teeth which are meshed with the gear ring are arranged on the radial outer circumferential wall body of the inner gear ring; the clamp spring is in a ring shape, and a pair of clamp spring feet used for hooking and matching with the first clamp spring groove and the second clamp spring groove are formed at the opening end of the clamp spring; the movable toothed plate is disc-shaped, a fourth shaft hole is formed in the axial middle of the movable toothed plate, a second concave cavity is formed in the side face of one side of the movable toothed plate in the thickness direction in an inwards concave mode, a group of second connecting bosses used for being connected with the handrail are arranged on the side face of the other side of the movable toothed plate in the thickness direction in an outwards convex mode, and tooth grooves used for being meshed with the inner teeth are formed in the inner circumferential wall body of each second concave cavity; the closed ring is enveloped at the periphery of the outer edges of the fixed toothed plate and the movable toothed plate.

3. An exercise centre according to claim 1, wherein: the bottom of frame is equipped with the base, the recessed chamber of accomodating that forms of upper surface of base, the top activity in accomodating the chamber sets up run the platform, works as run the platform relatively when the frame is transferred and is expanded, run the platform and cover it accomodates the chamber, work as run the platform relatively when the frame is drawn in and is merged, appear in accomodate the chamber.

4. An exercise centre according to claim 1, wherein: the bottom of frame is equipped with the base, the protruding dog that establishes of upper surface of base, the dog is located run the front side of the central line of platform, works as when the limit was lifted on the running platform and the frame was parallel, the lower part of running the platform with the dog supports and leans on.

5. An exercise centre according to claim 1, wherein: the body building center further comprises a transverse flow fan and an anion generator, the frame is in a shape like a Chinese character 'men', the top of the frame is a transverse beam, a cavity is formed in the shell of the transverse beam, the transverse flow fan is arranged in the cavity along the length direction of the transverse beam, an air outlet is formed in the position, corresponding to the transverse flow fan, of the shell of the transverse beam, the air outlet faces towards the running platform, and the anion generator is arranged in the cavity and located on the other side, opposite to the air outlet, of the transverse flow fan.

6. An exercise centre according to claim 1, wherein: the fitness center further comprises a roller shutter, the frame is in a door shape, the top of the frame is a cross beam, a cavity is formed in the cross beam, a winding shaft along the length direction of the cross beam is arranged in the cavity, a shutter outlet is formed in the cavity below the winding shaft, the top end of the roller shutter is wound on the winding shaft, and the bottom end of the roller shutter extends out of the shutter outlet.

7. An exercise centre according to claim 1, wherein: the body-building center also comprises a button switch, wherein the button switch comprises a mounting seat, a PCB (printed Circuit Board), a swinging assembly, a knob assembly and a pressing assembly;

8. An exercise centre according to claim 1, wherein: the body-building center also comprises a first chest developer, the bottom of the frame is provided with a base, the width of the base is larger than that of the running table, so that the base protrudes towards two sides of the running table, and at least more than one first chest developer is arranged at the protruding part; the first chest expander comprises a first torque output mechanism, a first pull wire and a first pull handle, wherein the first torque output mechanism is arranged in the base, the base is provided with a first outlet, one end of the first pull wire is connected with the first torque output mechanism, and the other end of the first pull wire penetrates out of the first outlet and is connected with the first pull handle.

9. An exercise centre according to claim 1, wherein: the body-building center also comprises a double-screen switching display device, wherein the double-screen switching display device comprises

a button switch installed on the main display screen;

a main board;

10. An exercise centre according to claim 1, wherein: first elevating system includes that two run a platform lead screw, a gear motor and cooperation are at the running nut of running on a platform lead screw, the platform lead screw is run to vertical installation respectively in frame both sides, runs a first gear motor of a screw connection for two, it is equipped with runs a protruding axle to run the anterior both sides of platform, run and be equipped with on the nut and supply to run a first recess that the protruding axle was placed, run a nut cooperation and run on a lead screw, drive and run that the platform is anterior to be done elevating movement along running a lead screw.