CN110090397B

CN110090397B - Multifunctional running machine

Info

Publication number: CN110090397B
Application number: CN201910413577.8A
Authority: CN
Inventors: 余颖
Original assignee: Anhui Xingle Fitness Equipment Co ltd
Current assignee: ANHUI XINGLE FITNESS EQUIPMENT Co.,Ltd.
Priority date: 2019-05-17
Filing date: 2019-05-17
Publication date: 2020-12-22
Anticipated expiration: 2039-05-17
Also published as: CN110090397A

Abstract

The invention discloses a multifunctional running machine which comprises a running machine base, a running machine frame body fixed at the top of the running machine base and a control machine body arranged at the top of the running machine frame body, wherein a lifting chute with a downward opening is arranged in the control machine body, a sliding guide cylinder with the bottom end fixedly matched and connected with the end surface of the top of the running machine frame body is connected in the lifting chute in a sliding fit mode, a first inner cavity extending leftwards and rightwards is formed in the top of the lifting chute, a first rotating shaft extending upwards and downwards is connected in the left side of the lifting chute in a rotating fit mode, a first gear located in the first inner cavity is fixedly arranged at the top end of the first rotating shaft, a second inner cavity is formed in the right side of the lifting chute, and a second rotating shaft is connected between the first inner cavity and the second inner cavity.

Description

Multifunctional running machine

Technical Field

The invention relates to the technical field of running machines, in particular to a multifunctional running machine.

Background

Running is the most commonly used exercise mode for people, most people can choose to run outdoors, but outdoor running is often influenced by factors such as external weather and environment. Therefore, indoor running is favored by more and more people, and meanwhile, with the improvement of living standard of people, the running machine is also promoted to approach to more and more households. Although the number of the running machines in the existing market is large, a lot of defects still exist in the function, most of the existing running machines only have the running function, people feel bored and bored when running for a long time, and the fatigue is very quick.

Disclosure of Invention

The object of the present invention is to provide a multi-functional treadmill that overcomes the above-mentioned drawbacks of the prior art.

The multifunctional running machine comprises a running machine base, a running machine frame body fixed at the top of the running machine base and a control machine body arranged at the top of the running machine frame body, wherein a lifting chute with a downward opening is arranged in the control machine body, a sliding guide cylinder with the bottom end fixedly matched and connected with the end surface of the top of the running machine frame body is connected in the lifting chute in a sliding fit manner, a first inner cavity extending leftwards and rightwards is arranged at the top of the lifting chute, a first rotating shaft extending upwards and downwards is connected in the left side of the lifting chute in a rotating fit manner, a first gear positioned in the first inner cavity is fixedly arranged at the top end of the first rotating shaft, a second inner cavity is arranged at the right side of the lifting chute, a second rotating shaft is connected between the first inner cavity and the second inner cavity in a rotating fit manner, and a second gear positioned in the first inner cavity is fixedly arranged at the top end of the, a first bevel gear positioned in a second inner cavity is fixedly arranged at the tail end of the bottom of the second rotating shaft, a first screw rod which extends up and down is connected between the lifting chute and the first inner cavity in a rotating fit manner, a third gear positioned in the first inner cavity is fixedly arranged at the tail end of the top of the first screw rod, the third gear is positioned between the first gear and the second gear, the tail end of the bottom of the first screw rod extends into the lifting chute and is in threaded fit connection with the top end surface of the slide guide cylinder, a telescopic chute with a rightward opening is arranged at the right side of the second inner cavity, a telescopic slide block is arranged in the telescopic chute, a second screw rod which extends left and right is connected between the second inner cavity and the telescopic chute in a rotating fit manner, and a second bevel gear which is positioned in the second inner cavity and is in meshed connection with the first bevel gear is fixedly arranged at the tail end of the left side of the second screw rod, the right side end of second screw rod stretches into in the flexible spout and with the left side terminal surface screw-thread fit of flexible slider is connected, be equipped with in the right side terminal surface of control organism and accept the chamber, it is equipped with multi-media mechanism to accept the intracavity, the intercommunication is equipped with first spout in the roof of first inner chamber, be equipped with drive control mechanism in the first spout of leading, be equipped with movable recess in the right side terminal surface of treadmill support body, activity recess normal running fit is connected with movable pivot, the worm wheel has set firmly in the activity pivot circumference, both sides all be equipped with around the worm wheel with activity pivot fixed fit connects and extend the handrail that sets up to the right side, be equipped with in the treadmill support body and be used for adjusting actuating mechanism is adjusted to the handrail of handrail angle.

In a further technical scheme, a running belt mechanism is arranged in the running machine base.

According to a further technical scheme, the sliding guide column body is of a cuboid structure.

A further technical scheme, accept the bottom end of chamber with the right side top of flexible spout is linked together the setting, multimedia mechanism including set up in accept the display screen mechanism and the normal running fit connection of intracavity set up in accept the rotation piece of intracavity, be equipped with the dovetail in the left side terminal surface of display screen mechanism, sliding fit is connected with the forked tail slider in the dovetail, rotate the piece with forked tail slider fixed fit connects, the bottom end of display screen mechanism has set firmly articulated connecting piece, articulated connecting piece is kept away from display screen mechanism one side with the top terminal surface fixed fit of flexible slider connects.

In a further technical scheme, the driving control mechanism comprises a first guide slide block which is connected with the first guide slide groove in a sliding fit manner, and a first motor and a second motor which are fixedly arranged in the end face of the bottom of the first guide slide block in a bilateral symmetry manner, the bottom end of the first motor is in power connection with a fourth gear positioned in the first inner cavity, the bottom end of the second motor is in power connection with a fifth gear positioned in the first inner cavity, the fourth gear is located between the first gear and the third gear, the fifth gear is located between the first gear and the second gear, a third screw rod which is connected in a threaded fit manner and extends leftwards and rightwards is also arranged in the first guide sliding block, the left end of the third screw rod is connected with the left side wall of the first guide sliding groove in a rotating fit manner, and the right end of the third screw is in power fit connection with a third motor fixedly embedded in the right side wall of the first guide chute.

According to a further technical scheme, the handrail adjusting and driving mechanism comprises a third inner cavity arranged on the left side of the movable groove, a third rotating shaft is connected between the third inner cavity and the movable groove in a rotating fit manner, a third bevel gear positioned in the third inner cavity is fixedly arranged at the tail end of the left side of the third rotating shaft, a worm positioned in the movable groove and meshed with the worm gear is fixedly arranged at the tail end of the right side of the third rotating shaft, a second guide chute is communicated with the left side wall of the third inner cavity, a second guide block extending towards the right side is connected in the second guide chute in a sliding fit manner, a third screw extending up and down is connected in the second guide block in a threaded fit manner, the tail end of the bottom of the third screw is connected with the bottom wall of the second guide chute in a rotating fit manner, and the right extending section of the second guide block extends into the third inner cavity, the right side extension section of the second guide sliding block is internally and fixedly provided with a fourth motor, the bottom end of the fourth motor is in power connection with a fourth bevel gear, the top wall of the second guide sliding groove is in internal rotation fit connection with an internal spline rotating shaft, the bottom end of the internal spline rotating shaft is in fixed fit connection with the top end of the third screw rod, the internal spline rotating shaft is in internal sliding fit connection with an external spline rotating shaft which extends upwards, and the top end of the external spline rotating shaft is in fixed fit connection with the bottom end of the first rotating shaft.

According to a further technical scheme, a limiting sliding groove is communicated and arranged in the right side wall of the lifting sliding groove, and a limiting sliding block fixedly connected with the right end face of the guide sliding cylinder in a matched mode is connected in the limiting sliding groove in a sliding fit mode.

Compared with the prior art, the invention has the beneficial effects that:

1. the first motor is controlled to drive the fourth gear to rotate forwards and backwards, so that the fourth gear drives the third gear and the first screw rod to rotate forwards and backwards, the first screw rod drives the control body to slide along the vertical extending direction of the sliding guide cylinder body, and therefore the height adjusting work of the display screen mechanism driven by the control body is achieved, and the use requirements of users are met.

2. The second motor is controlled to drive the fifth gear to rotate forwards and backwards, so that the fifth gear drives the second gear, the second rotating shaft and the first bevel gear to rotate forwards and backwards, the first bevel gear drives the second bevel gear and the second screw rod to rotate forwards and backwards, the second screw rod drives the telescopic sliding block to slide towards the left side and the right side of the telescopic sliding groove, and the angle adjusting work of the display screen mechanism driven by the hinged connecting piece on the telescopic sliding block is achieved.

3. The fourth gear drives the first gear and the first rotating shaft to rotate forwards and backwards, the first rotating shaft drives the external spline rotating shaft, the internal spline rotating shaft and the third screw to rotate forwards and backwards, the third screw drives the second guide sliding block to slide upwards and downwards in the second guide sliding groove, and at the moment, the second guide sliding block drives the fourth bevel gear at the bottom of the fourth motor to realize the control work of meshing connection and separation with the third bevel gear.

4. The fourth motor drives the fourth bevel gear to rotate forwards and backwards, the fourth bevel gear drives the third bevel gear and the third rotating shaft to rotate forwards and backwards, the third rotating shaft drives the worm to rotate forwards and backwards, and the worm drives the worm wheel and the movable rotating shaft to rotate forwards and backwards at the moment, so that the movable rotating shaft drives the grab bar to adjust different angles, different requirements of the handrails are met, and the practicability of the handrail is further improved.

5. The invention has simple structure, convenient use and low manufacturing cost, and can protect users with different heights by adjusting the angle of the grab rail, thereby enhancing the use safety.

Drawings

FIG. 1 is a schematic view of the overall structure of a multi-functional treadmill of the present invention;

FIG. 2 is a schematic view of the internal structure of the frame and the control body of the treadmill of the present invention;

fig. 3 is a schematic view showing a distribution structure of grab bars in the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

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

Referring to fig. 1 to 3, a multifunctional running machine according to an embodiment of the present invention includes a running machine base 7, a running machine frame body 8 fixed on the top of the running machine base 7, and a control machine body 9 disposed on the top of the running machine frame body 8, wherein a lifting chute 92 with a downward opening is disposed in the control machine body 9, a sliding guide cylinder 921 with a bottom end fixedly connected with the top end surface of the running machine frame body 8 in a sliding fit manner is disposed in the lifting chute 92, a first inner cavity 91 extending left and right is disposed on the top of the lifting chute 92, a first rotating shaft 912 extending up and down is rotatably connected on the left side of the lifting chute 92, a first gear 913 disposed in the first inner cavity 91 is fixedly disposed at the top end of the first rotating shaft 912, a second inner cavity 94 is disposed on the right side of the lifting chute 92, a second rotating shaft 941 is rotatably connected between the first inner cavity 91 and the second inner cavity 94, the top end of second pivot 941 sets firmly to be located second gear 943 in first inner chamber 91, the bottom end of second pivot 941 sets firmly first bevel gear 942 that is located second inner chamber 94, lift spout 92 with running fit is connected with the first screw 922 that extends the setting from top to bottom between the first inner chamber 91, the top end of first screw 922 sets firmly to be located third gear 911 in first inner chamber 91, third gear 911 is located first gear 913 with position between the second gear 943, the bottom end of first screw 922 stretches into in the lift spout 92 and with the top terminal surface screw-thread fit connection of leading smooth cylinder 921, the right side of second inner chamber 94 is equipped with the flexible spout 95 that the opening set up to the right, be equipped with flexible slider 951 in the flexible spout 95, second inner chamber 94 with running fit is connected with the second screw 952 that extends the setting from left to right between the flexible spout 95, a second bevel gear 953 which is positioned in the second inner cavity 94 and is engaged with the first bevel gear 942 is fixedly arranged at the left end of the second screw 952, the right end of the second screw 952 extends into the telescopic chute 95 and is in threaded fit with the left end face of the telescopic slider 951, a containing cavity 93 is arranged in the right end face of the control machine body 9, a multimedia mechanism is arranged in the containing cavity 93, a first guide chute 96 is arranged in the top wall of the first inner cavity 91 in a communicating manner, a drive control mechanism is arranged in the first guide chute 96, a movable groove 83 is arranged in the right end face of the treadmill frame body 8, a movable rotating shaft 831 is connected in a rotating fit manner in the movable groove 83, a worm gear 832 is fixedly arranged on the movable rotating shaft 831 in the circumferential direction, and handrail rods 833 which are fixedly matched with the movable rotating shaft 831 and extend to the right side are arranged on the front side and the back side of the worm gear 832, a handrail adjusting driving mechanism for adjusting the angle of the handrail rod 833 is arranged in the treadmill frame body 8.

Advantageously or exemplarily, a running belt mechanism 71 is provided in the treadmill base 7.

Beneficially or exemplarily, the slide guiding cylinder 921 has a rectangular parallelepiped structure.

Beneficially or exemplarily, the bottom end of the receiving cavity 93 is communicated with the top of the right side of the telescopic chute 95, the multimedia mechanism includes a display mechanism 932 arranged in the receiving cavity 93 and a rotating member 931 arranged in the receiving cavity 93 in a rotating fit connection, a dovetail groove 9321 is arranged in the left end face of the display mechanism 932, a dovetail slider 9322 is connected in the dovetail groove 9321 in a sliding fit manner, the rotating member 931 is connected with the dovetail slider 9322 in a fixed fit manner, a hinge connector 933 is fixedly arranged at the bottom end of the display mechanism 932, and the side of the hinge connector 933 away from the display mechanism 932 is connected with the top end face of the telescopic slider 951 in a fixed fit manner, so as to achieve the angle adjustment work of the display mechanism 932.

Advantageously or exemplarily, the drive control mechanism includes a first guide slide block 961 disposed in the first guide slide groove 96 in a sliding fit connection manner, and a first motor 965 and a second motor 964 symmetrically disposed in a bottom end surface of the first guide slide block 961 from left to right, a bottom end of the first motor 965 is dynamically connected to a fourth gear 966 disposed in the first inner cavity 91, a bottom end of the second motor 964 is dynamically connected to a fifth gear 967 disposed in the first inner cavity 91, the fourth gear 966 is disposed between the first gear 913 and the third gear 911, the fifth gear 967 is disposed between the first gear 913 and the second gear 943, a third screw 962 threadedly engaged and extending from left to right is further disposed in the first guide slide block 961, a left end of the third screw 962 is rotatably engaged with a left side wall of the first guide slide groove 96, the right end of the third screw 962 is connected with a third motor 963 fixedly embedded in the right side wall of the first guiding and sliding groove 96 in a power-fit manner, so that the driving work of driving the display screen mechanism 932 to be adjusted in a lifting manner and the driving work of adjusting the angle of the display screen mechanism 932 are realized by the automatic control and control machine body 9.

Beneficially or exemplarily, the armrest adjustment driving mechanism includes a third inner cavity 81 disposed on the left side of the movable groove 83, a third rotating shaft 812 is connected between the third inner cavity 81 and the movable groove 83 in a rotating fit manner, a third bevel gear 813 disposed in the third inner cavity 81 is fixedly disposed at the left end of the third rotating shaft 812, a worm 814 disposed in the movable groove 83 and engaged with the worm gear 832 is fixedly disposed at the right end of the third rotating shaft 812, a second guiding chute 82 is communicatively disposed in the left side wall of the third inner cavity 81, a second guiding block 821 extending to the right side is slidably connected in the second guiding chute 82 in a fit manner, a third screw 824 extending up and down is connected in a threaded fit manner in the second guiding block 821, and the bottom end of the third screw 824 is rotationally connected with the bottom wall of the second guiding chute 82 in a fit manner, the right extending section of the second guide sliding block 821 extends into the third inner cavity 81, a fourth motor 822 is fixedly arranged in the right extending section of the second guide sliding block 821, the bottom end of the fourth motor 822 is dynamically connected with a fourth bevel gear 823, an inner spline rotating shaft 825 is connected to the top wall of the second guide sliding groove 82 in a rotating and matching mode, the bottom end of the inner spline rotating shaft 825 is fixedly connected with the top end of the third screw 824 in a matching and matching mode, an outer spline rotating shaft 826 which extends upwards is connected to the inner spline rotating shaft 825 in a sliding and matching mode, and the top end of the outer spline rotating shaft 826 is fixedly connected with the bottom end of the first rotating shaft 912 in a matching and matching mode, so that driving work of adjusting different angles of the grab bar 833 through automatic control is achieved, and convenience and implementation of control are greatly improved.

Beneficially or exemplarily, a limiting sliding groove 923 is communicated with the right side wall of the lifting sliding groove 92, and a limiting sliding block 924 fixedly and cooperatively connected with the right side end face of the sliding guide cylinder 921 is connected in the limiting sliding groove 923 in a sliding fit manner, so as to prevent the control body 9 from moving upwards and exceeding the range.

When not using, flexible slider 951 is located flexible spout 95 completely, drive display screen mechanism 932 by flexible slider 951 this moment through articulated connecting piece 933 and be in vertical state, and simultaneously, the bottom terminal surface of control organism 9 is in the looks butt state with the top terminal surface of treadmill support body 8, make this moment lead the cylinder 921 and be located lift spout 92 completely, and simultaneously, drive the topmost position that spacing slider 924 is located spacing spout 923 by leading the cylinder 921, at this moment, make external splines pivot 826 be located internal splines pivot 825 completely, and simultaneously, the second is led the slider 821 and is located the topmost position that the spout 82 was led to the second, and then make the second lead the fourth bevel gear 823 that slider 821 drives fourth motor 822 bottom furthest and keep away from third bevel gear 813.

Example 1

The third screw rod 962 is driven by the third motor 963 to rotate forward and backward, so that the third screw rod 962 drives the first guide sliding block 961 to move along the left and right directions in the first guide sliding groove 96, when the height displayed by the display screen mechanism 932 needs to be controlled and adjusted, at this time, by moving the first guide sliding block 961 to the rightmost position in the first guide sliding groove 96, at this time, the fourth gear 966 at the bottom of the first motor 965 is engaged with the third gear 911, at the same time, the fourth gear 966 is maximally away from the first gear 913, the fifth gear 967 at the bottom of the second motor 964 is engaged with the second gear 943, at the same time, the fifth gear 967 is maximally away from the third gear 911, at this time, the fourth gear 966 is driven to rotate by controlling the first motor 965, so that the third gear 911 and the first screw rod 922 are driven to rotate by the fourth gear 966, and the first screw rod 922 is driven to gradually move the control machine body 9 away from the treadmill frame body 8, the height adjustment work of the control machine body 9 driving the display screen mechanism 932 is further realized, and meanwhile, the first rotating shaft 912 driving the bottom section of the external spline rotating shaft 826 is always in a matched connection state with the external spline rotating shaft 826;

when needs control regulation display screen mechanism 932 inclination, drive fifth gear 967 through control second motor 964 and rotate, and then realize driving second gear 943 and second pivot 941 and first bevel gear 942 by fifth gear 967 and rotate, drive second bevel gear 953 and second screw 952 by first bevel gear 942 this moment and rotate, and drive flexible slider 951 by second screw 952 and slide towards the right side direction of flexible spout 95, and then realize the angle modulation work that articulated connecting piece 933 on the flexible slider 951 drove display screen mechanism 932.

Example 2

When the grab bar needs to be adjusted, the first guiding sliding block 961 is located at the leftmost position in the first guiding chute 96, at this time, the fourth gear 966 at the bottom of the first motor 965 and the first gear 913 are engaged, at the same time, the fourth gear 966 is furthest away from the third gear 911, at this time, the fourth gear 966 is driven to rotate by controlling the first motor 965, so that the first gear 913 and the first rotating shaft 912 are driven to rotate by the fourth gear 966, the external spline rotating shaft 826, the internal spline rotating shaft 825 and the third screw 824 are driven to rotate by the first rotating shaft 912, the second guiding sliding block 821 is driven to slide to the bottommost position in the second guiding chute 82 by the third screw 824, at this time, the fourth bevel gear 823 at the bottom of the fourth motor 822 is driven to be engaged with the third bevel gear 813, and then the fourth bevel gear 823 is driven to rotate forward and backward by the fourth motor 822, at this time, the fourth bevel gear 823 drives the third bevel gear 813 and the third rotating shaft 812 to rotate forward and backward, meanwhile, the third rotating shaft 812 drives the worm 814 to rotate forward and backward, and at this time, the worm 814 drives the worm gear 832 and the movable rotating shaft 831 to rotate forward and backward, so that the movable rotating shaft 831 drives the grab bar 833 to adjust different angles.

Compared with the prior art, the invention has the beneficial effects that:

It will be apparent to those skilled in the art that various modifications may be made to the above embodiments without departing from the general spirit and concept of the invention. All falling within the scope of protection of the present invention. The protection scheme of the invention is subject to the appended claims.

Claims

1. The utility model provides a multifunctional running machine, includes the treadmill base, is fixed in the treadmill frame body at treadmill base top and set up in the control organism at treadmill frame body top, its characterized in that: the control machine is internally provided with a lifting chute with a downward opening, the lifting chute is connected with a sliding guide cylinder with the bottom end fixedly matched and connected with the top end surface of the treadmill frame body in a sliding fit manner, the top of the lifting chute is provided with a first inner cavity extending leftwards and rightwards, the left side of the lifting chute is connected with a first rotating shaft extending upwards and downwards in a rotating fit manner, the top end of the first rotating shaft is fixedly provided with a first gear positioned in the first inner cavity, the right side of the lifting chute is provided with a second inner cavity, a second rotating shaft is connected between the first inner cavity and the second inner cavity in a rotating fit manner, the top end of the second rotating shaft is fixedly provided with a second gear positioned in the first inner cavity, the bottom end of the second rotating shaft is fixedly provided with a first bevel gear positioned in the second inner cavity, and a first screw rod extending upwards and downwards is connected between the lifting chute and the first inner cavity in, a third gear positioned in the first inner cavity is fixedly arranged at the tail end of the top of the first screw rod, the third gear is positioned between the first gear and the second gear, the tail end of the bottom of the first screw rod extends into the lifting chute and is in threaded fit connection with the end surface of the top of the slide guiding cylinder, a telescopic chute with a right opening is arranged at the right side of the second inner cavity, a telescopic slide block is arranged in the telescopic chute, a second screw rod which extends leftwards and rightwards is connected between the second inner cavity and the telescopic chute in a rotating fit manner, a second bevel gear which is positioned in the second inner cavity and is in meshed connection with the first bevel gear is fixedly arranged at the tail end of the left side of the second screw rod, the tail end of the right side of the second screw rod extends into the telescopic chute and is in threaded fit connection with the end surface of the left side of the telescopic slide block, and an accommodating cavity is arranged in the end surface of, a multimedia mechanism is arranged in the accommodating cavity, a first guide chute is arranged in the top wall of the first inner cavity in a communicated manner, a drive control mechanism is arranged in the first guide chute, a movable groove is arranged in the end face of the right side of the treadmill frame body, a movable rotating shaft is connected in the movable groove in a rotating fit manner, a worm wheel is fixedly arranged on the movable rotating shaft in the circumferential direction, handrail rods which are fixedly connected with the movable rotating shaft in a matched manner and extend to the right side are arranged on the front side and the rear side of each worm wheel, and a handrail adjusting drive mechanism for adjusting the angle of each handrail rod is arranged in the treadmill frame body; the bottom tail end of the accommodating cavity is communicated with the top of the right side of the telescopic sliding chute, the multimedia mechanism comprises a display screen mechanism arranged in the accommodating cavity and a rotating piece which is arranged in the accommodating cavity in a rotating matching manner, a dovetail groove is arranged in the left side end face of the display screen mechanism, a dovetail slider is connected in the dovetail groove in a sliding matching manner, the rotating piece is fixedly matched and connected with the dovetail slider, a hinged connecting piece is fixedly arranged at the bottom tail end of the display screen mechanism, and one side, away from the display screen mechanism, of the hinged connecting piece is fixedly matched and connected with the top end face of the telescopic slider;

the driving control mechanism comprises a first guide slide block which is connected with the first guide slide groove in a sliding fit manner, and a first motor and a second motor which are fixedly arranged in the end surface of the bottom of the first guide slide block in a bilateral symmetry manner, the bottom end of the first motor is in power connection with a fourth gear positioned in the first inner cavity, the bottom end of the second motor is in power connection with a fifth gear positioned in the first inner cavity, the fourth gear is located between the first gear and the third gear, the fifth gear is located between the first gear and the second gear, a third screw rod which is connected in a threaded fit manner and extends leftwards and rightwards is also arranged in the first guide sliding block, the left end of the third screw rod is connected with the left side wall of the first guide sliding groove in a rotating fit manner, the right end of the third screw is in power fit connection with a third motor fixedly embedded in the right side wall of the first guide chute;

the handrail adjusting and driving mechanism comprises a third inner cavity arranged on the left side of the movable groove, a third rotating shaft is connected between the third inner cavity and the movable groove in a rotating fit manner, a third bevel gear positioned in the third inner cavity is fixedly arranged at the tail end of the left side of the third rotating shaft, a worm rod positioned in the movable groove and meshed with the worm gear is fixedly arranged at the tail end of the right side of the third rotating shaft, a second guide chute is communicated with the inside of the left side wall of the third inner cavity, a second guide block extending towards the right side is connected in the second guide chute in a sliding fit manner, a third screw rod extending up and down is connected in the second guide block in a threaded fit manner, the tail end of the bottom of the third screw rod is connected with the bottom wall of the second guide chute in a rotating fit manner, the right extending section of the second guide block extends into the third inner cavity, and a fourth motor is fixedly arranged in the right extending section of the second guide block, the bottom end of the fourth motor is in power connection with a fourth bevel gear, an inner spline rotating shaft is connected to the top wall of the second guide chute in a rotating fit mode, the bottom end of the inner spline rotating shaft is in fixed fit connection with the top end of the third screw rod, an outer spline rotating shaft which extends upwards is connected to the inner spline rotating shaft in a sliding fit mode, and the top end of the outer spline rotating shaft is in fixed fit connection with the bottom end of the first rotating shaft.

2. The multi-function treadmill of claim 1, wherein: a running belt mechanism is arranged in the running machine base.

3. The multi-function treadmill of claim 1, wherein: the slide guiding column body is of a cuboid structure.

4. The multi-function treadmill of claim 1, wherein: the right side wall of the lifting chute is internally communicated with a limiting chute, and the limiting chute is connected with a limiting slide block in a sliding fit manner, wherein the limiting slide block is fixedly connected with the right end face of the guide slide cylinder in a matching manner.