CN112870632A

CN112870632A - Multifunctional folding running machine

Info

Publication number: CN112870632A
Application number: CN202110347190.4A
Authority: CN
Inventors: 孙大军
Original assignee: Shanghai Dadong Technology Co ltd
Current assignee: Shanghai Dadong Technology Co ltd
Priority date: 2021-03-31
Filing date: 2021-03-31
Publication date: 2021-06-01

Abstract

The invention relates to a multifunctional folding treadmill. The solution includes a chassis, a column, an instrument cluster and a treadmill. The column is provided with a sliding seat assembly movably connected to the column, and the sliding seat assembly can be driven along the length of the column by external force. The direction is reciprocating, and the column is connected with the treadmill through the bottom frame in rotation; the bottom frame is provided with a treadmill transmission component for driving the running platform, a pedal component connected with the bottom frame in rotation, and a rowing machine movably connected with the bottom frame. Pull handle mechanism, rowing machine pull handle mechanism is used to simulate the paddle; when the column is relatively rotated until it is in a closed state with the treadmill, the column is parallel to the treadmill. This solution has both treadmill and rower functions, and can be easily performed Switching, there is no need to disassemble and assemble the sliding seat assembly of the rowing machine, and there is no need to worry about the placement of the sliding seat assembly. Compared with the existing technology, the space utilization and convenience are significantly improved, and the structure is simple and ingenious, which can further reduce the two-in-one The cost of a protection machine is very suitable for mass promotion.

Description

Multifunctional folding running machine

Technical Field

The invention relates to the technical field of fitness equipment, in particular to a multifunctional folding treadmill.

Background

With the rapid development of city construction and the standing of various buildings, the playground for activities in the city becomes smaller and smaller, the improvement of the living standard of people and the acceleration of the rhythm of city life require people to have healthy physique to adapt to the intense and busy work, thereby providing a wide market for various fitness equipment to enter thousands of households.

The running machine and the rowing machine are popular among people as one of the most popular fitness equipment, the existing running machine and the existing rowing machine are independent equipment and need to be purchased independently, so that the doorsill is higher, and the two equipment need to occupy larger space and are not suitable for families with small housing area.

Chinese patent CN201811054696.0 a multifunctional running machine, including chassis, stand and control cabinet, the front end of chassis is equipped with one and draws the boat control panel, and the both ends of the control panel of rowing boat are equipped with a footboard respectively, and the front end of this chassis still is equipped with a rowing boat ware and draws the handle, and rowing boat ware draws the stay cord of connecting band damping regulation, still cooperate on the chassis to have a slide, the top surface of slide is equipped with the cushion, and both ends are equipped with a spacing spout respectively about the slide, the left and right sides of chassis be equipped with the spacing spout complex rail of slide. The rowing machine has the advantages that the rowing control plate and the rowing machine pulling handle are arranged at the front end of the underframe, the slidable sliding seat is arranged on the underframe, so that the running machine has a running function and a rowing machine function, the running function and the rowing machine function are integrated, a sporter can select running exercise or rowing machine exercise according to requirements, the utilization rate of the running machine is improved, and the occupied space of a plurality of fitness machines is reduced. However, the rowing machine still needs to be detached independently to run or rowing in a rotating manner, and particularly, after the rowing machine is detached, the rowing machine needs to be placed, so that the rowing machine obviously occupies a large space and is inconvenient to use.

Therefore, a multifunctional treadmill which can obviously improve the space utilization rate, is convenient to operate and does not need to be independently disassembled and assembled is needed.

Disclosure of Invention

The present invention has been made keeping in mind the above problems occurring in the prior art, and an object of the present invention is to provide a multifunctional folding treadmill.

In order to realize the purpose of the invention, the invention adopts the following technical scheme: a multifunctional folding treadmill comprises a chassis, a stand column, an instrument set and a running platform, wherein a sliding seat assembly movably connected with the stand column is arranged on the stand column, the sliding seat assembly can do reciprocating motion along the length direction of the stand column under the driving of external force, and the stand column is rotatably connected with the running platform through the chassis; the chassis is provided with a running platform transmission assembly for driving the running platform to run, a pedal assembly rotationally connected with the chassis and a rowing machine pull handle mechanism movably connected with the chassis, and the rowing machine pull handle mechanism is used for simulating a paddle; when the upright post rotates relatively to be in a closed state with the running platform, the upright post is parallel to the running platform, and the upright post is in a rowing machine mode; when the upright is separated from the treadmill to the initial position, the treadmill mode is performed.

The working principle and the beneficial effects are as follows:

1. when a user needs to use a running function, the upright post is rotated to a proper position according to normal operation, the upright post and the running platform are separated to be in a running machine mode, any component of the rowing machine part cannot cause any interference and obstruction to the user protection, normal running training can be performed at the moment, no difference is generated between the normal running machine and the user, the use cost and the adaptation cost of the user cannot be increased, redundant ground space is not occupied additionally, and the space utilization rate is high;

2. when a user needs to use the rowing function, the upright post is turned to be in a folding state with the running platform, the upright post and the running platform are parallel at the moment, the sliding seat assembly is supported through the upright post or the running platform, the hip of the user sits on the sliding seat assembly, feet are put on the pedal assembly, the rowing operation is carried out by operating the rowing machine pull handle mechanism with hands, the sliding seat assembly is controlled to slide through the hip strength, and the rowing machine is in rowing motion at the moment;

3. when the running platform is stored, the sliding seat assembly, the pedal assembly and the like are placed back to the initial position, then the running platform is rotated to be in a folding state with the upright column, so that the running platform is in a vertical state or is in a folding state with the running platform below the upright column, and at the moment, the running platform is in a flat state, and the two states can both realize excellent space utilization rate;

4. the two are combined, only simple structural improvement is needed to be carried out on the existing treadmill, the rowing machine is partially arranged on the treadmill, the cost for simultaneously purchasing two devices is obviously reduced, the generation cost of a factory is also obviously reduced, and the rowing machine is in an unpowered structure, so that no electric appliance driving part is needed, the existing treadmill is not required to be greatly structurally changed, the production cost and the research and development cost of the two-in-one treadmill are further reduced, a consumer can purchase the product at a lower price, and the two-in-one treadmill is suitable for large-scale popularization;

5. the slide is installed on running the platform with prior art, make to run and need additionally to improve on the platform and install the slide, the usable floor area that leads to running the platform diminishes and the structure is more complicated, assembly cost and processing cost are higher, be equivalent to additionally increased the volume of running the platform, lead to ground area of occupation bigger, must not repay, and the slide is installed to the vacant space on the stand of this scheme effective utilization, can not increase ground area of occupation, it has improved space utilization to show, also need not to carry out any change design to running the platform, the platform is more simple to compare in the structure of stand, the transformation cost is low, consequently prior art is compared to this scheme, assembly cost and processing cost are lower, space utilization is higher.

Further, the slide subassembly includes the cushion, the fixed part of being connected with the cushion, be equipped with on the stand with fixed part sliding fit's slide rail, the cushion passes through the fixed part and realizes making a round trip to slide on the slide rail. This scheme is sat on the cushion through the user, and the user passes through buttock strength and promotes the cushion, and the cushion drives fixed part round trip movement on the slide rail, removes smoothly and simple structure, and the fault rate is low.

Further, the stand top is equipped with first supporting part, works as when the stand folds with running the platform, first supporting part butt in ground realizes the angle modulation of stand and running the platform through adjusting the length or the rotation angle of first supporting part. When the stand closed in running the platform in this scheme, the first supporting part on stand top and ground contact to can conveniently adjust the stand and the angle of running the platform through first supporting part, thereby realized slide subassembly inclination and adjusted, make the user can adopt more comfortable mode to carry out the motion of rowing boat.

Furthermore, the rowing machine pull handle mechanism comprises a rowing machine handle, a pull rope connected with the rowing machine handle, a pull rope rebounding mechanism connected with the pull rope, and an internal magnetic control flywheel set in transmission connection with the pull rope rebounding mechanism. This scheme is through user pulling rowing machine handle, and the stay cord drives stay cord springback mechanism and interior magnetism accuse flywheel group to realize the operation of simulation operation quant, can realize electrodeless speed governing function through interior magnetism accuse flywheel group, be fit for the regulation of various gears, convenience of customers rotates suitable gear according to self condition.

Further, the bottom end of the sliding rail is rotatably connected with the bottom frame, and the top end of the sliding rail is detachably connected with the top end of the upright post. This scheme, the slide rail is not fixed completely on the stand, so the slide rail can rotate alone this moment, only need during the use dismantle slide rail top and stand top unblock for the slide rail can rotate, rotate the slide rail and place and can just be according to original scheme rowing boat operation on running the platform, owing to need not to drive the stand and rotate, make the operation degree of difficulty lower, and this structure does not increase extra ground space and occupies.

Furthermore, the top end of the sliding rail is provided with a second supporting part, and when the sliding rail rotates away from the running platform to be in contact with the ground, the second supporting part is abutted to the ground, so that the sliding rail is parallel to the running platform. This scheme, can also be through with slide rail reverse rotation, make the second supporting part on the slide rail can support and live the slide rail, thereby realized rowing machine function and treadmill function and can use simultaneously, compare prior art and can only use the scheme of one of them function alone, the progress of this scheme is more showing, and during the use, rowing person is face-to-face with the user of running, can exchange each other, especially be fit for the family user and use, promote family harmony, this scheme is when accomodating folding with the occupation ground space of current treadmill basically the same, consequently, high space utilization has.

Furthermore, the handle pulling mechanism of the rowing machine also comprises a swing arm movably connected with the base. According to the scheme, the swing arm is used for simulating the paddle, various operations can be performed, the rowing machine is suitable for various rowing motions, a user can rotate between the swing arm and the pull handle at will, and the selection space is large.

Furthermore, the fixed part is provided with a pulley matched with the slide rail. The arrangement can obviously reduce the friction force and the noise by a rolling fit mode, particularly fit with a mute pulley, can further reduce the pulley, and can also be in other sliding fit modes.

Further, the sliding seat assembly is positioned on the central line of the running platform and the upright post. This setting is located holistic central point with the slide subassembly after, more is favorable to improving the space utilization of this treadmill, and also when rowing boat operation, it is more steady.

Furthermore, the base is provided with a mounting hole, the stand column is provided with a rotating shaft matched with the mounting hole, and the rotating shaft penetrates through the mounting hole to be rotatably connected with the pedal assembly. This setting for the rotation axis that pedal assembly can directly utilize on the stand installs, need not additionally newly-increased the structure that is used for installing the rotation axis on the base, consequently can show the simplified structure, reduce cost reduces the fault rate.

Furthermore, the pedal assembly comprises two pedals, each pedal is rotatably connected with the bottom frame or the upright post, and the bottom frame is provided with a movable area for mounting and adjusting the pedals. According to the arrangement, the pedal plate is arranged at the position of the active area, so that the distance of the pedal plate extending out of the underframe can be reduced, and the space utilization rate is obviously improved.

Drawings

FIG. 1 is a state diagram of a treadmill according to a preferred embodiment of the present invention;

FIG. 2 is an exploded view of a portion of the structure of FIG. 1;

FIG. 3 is a schematic view of the rowing machine of FIG. 1 in a state;

FIG. 4 is a schematic view of one embodiment of a slide rail;

FIG. 5 is a schematic view of another embodiment of a slide rail;

FIG. 6 is a schematic view of the state of the rowing machine in FIG. 5;

FIG. 7 is a schematic view of another embodiment of a slide rail;

FIG. 8 is a schematic view of the single slide rail of FIG. 7;

FIG. 9 is a schematic view of the rowing machine and the treadmill used simultaneously;

FIG. 10 is a schematic view of another embodiment of FIG. 9;

FIG. 11 is a schematic view of one embodiment of a post;

fig. 12 is a schematic view of fig. 11 in a folded state.

In the figure, 1, a chassis; 2. a column; 3. an instrument cluster; 4. running a platform; 5. a carriage assembly; 6. a slide rail; 7. a treadmill transmission assembly; 8. a handle pulling mechanism of the rowing machine; 9. a footrest assembly; 11. a rotating shaft; 12. a first support section; 51. a cushion; 52. a fixed part; 53. a pulley; 61. a second support portion; 81. a rowing machine handle; 82. pulling a rope; 83. a rope-pulling rebounding mechanism; 84. an internal magnetic control flywheel set; 85. swinging arms; 91. a foot pedal.

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 that can be derived by one of ordinary skill in the art from the embodiments given herein are intended to be within the scope of the present invention.

It will be understood by those skilled in the art that in the present disclosure, the terms "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for ease of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, the above terms should not be construed as limiting the present invention.

Present two unification treadmill all have troublesome poeration, need extra dismouting to draw marine cushion, install the cushion position moreover and run the bench, consequently additionally increase the structural complexity and the size of running the platform, lead to ground space to occupy greatly, and the cost increases substantially.

In order to solve the above technical problems, please refer to fig. 1-3, the multifunctional folding treadmill includes an underframe 1, an upright post 2, an instrument cluster 3 and a treadmill platform 4, wherein the underframe 1 is formed by splicing and welding common stainless steel pipes or cold plates, and may be made of other materials, the upright post 2 includes but not limited to a double upright post 2, a single upright post 2 or other structures, the treadmill platform 4 has a structure of the prior art, and the instrument cluster 3 is a common touch screen for displaying information of various treadmills, and the structure thereof is not described herein again. In one embodiment, the touch screen can be detachable, and the touch screen can be detachably mounted on the underframe 1 when the rowing machine is used. Wherein the single upright 2 can be seen in fig. 11 and 12.

Preferably, chassis 1 can also be equipped with the electronic beta structure that is used for automatic folding stand 2 and race platform 4, this electronic beta structure is prior art, therefore this scheme includes not only the manual foldable treadmill of restriction, still be applied to the electronic folding or other driver driven automatic folding treadmills, the core of this scheme lies in with treadmill and rowing machine two unifications and reduce the space and occupy, when using, need not to carry out extra dismouting action, improve the convenience of use, reduce assembly and manufacturing cost, thereby reduce and purchase the threshold.

Specifically, be equipped with on the stand 2 with stand 2 swing joint's

slide subassembly

5, 2 length direction reciprocating motion can be followed to slide subassembly 5 under the external force drive on the stand, just stand 2 through chassis 1 with run 4 swivelling joint of platform, wherein slide subassembly 5 includes cushion 51, the fixed part 52 of being connected with cushion 51 at least, be equipped with on the stand 2 with fixed part 52 sliding fit's slide rail 6, cushion 51 realizes making a round trip to slide on slide rail 6 through fixed part 52. According to the scheme, a user sits on the seat cushion 51, pushes the seat cushion 51 through the force of the buttocks, and the seat cushion 51 drives the fixing part 52 to move back and forth on the slide rail 6, so that the movement is smooth, the structure is simple, and the failure rate is low;

in this embodiment, the cushion 51 may be a common genuine leather cushion 51, a leather-like cushion 51, a sponge cushion 51, or the like, and may also be a cushion 51 having a heating or cooling or ventilating or massaging function, which may significantly improve the use experience of the user when rowing.

In this embodiment, the structure of the fixing portion 52 is not limited, and the main function is to fix the seat cushion 51, the seat cushion 51 can be fixed by screws, and then the sliding is realized by the structure of the pulley 53 cooperating with the slide rail 6, and other sliding cooperating structures are also possible, such as the structure of the linear guide rail and the structure of the slide block cooperating, and all the sliding cooperating structures or the structure of the seat cushion 51 reciprocating move all fall into the protection range of the present scheme.

Preferably, the fixed portion 52 is provided with a pulley 53 engaged with the slide rail 6. The arrangement can obviously reduce the friction force and the noise by a rolling fit mode, particularly fit with the mute pulley 53, can further reduce the pulley 53, and of course, can also be in other sliding fit modes.

In this embodiment, please refer to fig. 4-6, the structure of the slide rail 6 in the figure may be rectangular or circular arc, please refer to fig. 7-8, may be a single slide rail 6, or may be a double slide rail 6, which is not described herein again, and any form of the slide rail 6 falls within the protection scope of the present disclosure.

Specifically, be equipped with on chassis 1 and be used for driving running platform transmission assembly 7 of running platform 4 operation, with chassis 1 swivelling joint's pedal subassembly 9 and with chassis 1 swing joint's rowing machine pull handle mechanism 8, rowing machine pull handle mechanism 8 is used for simulating the oar, and running platform transmission assembly 7 is that common motor passes through the hold-in range drive to run the area gyration, and its structure is conventional technical means, pedal assembly 9 includes two running-boards 91, every running-board 91 all with chassis 1 or stand 2 swivelling joint, just be equipped with the active area that supplies running-board 91 installation and regulation activity on chassis 1. With this arrangement, by installing the pedal plate 91 at the active area, the distance that the pedal plate 91 extends out of the chassis 1 can be reduced, thereby significantly improving the space utilization, and in the present embodiment, the pedal assembly 9 mainly serves to place the foot, and the structure thereof is not limited.

In this embodiment, the rowing machine pull handle mechanism 8 includes a rowing machine pull handle 81, a pull rope 82 connected to the rowing machine pull handle 81, a pull rope rebounding mechanism 83 connected to the pull rope 82, and an internal magnetically controlled flywheel set 84 in transmission connection with the pull rope rebounding mechanism 83. This scheme is through user pulling rowing machine handle 81, and stay cord 82 drives stay cord springback mechanism 83 and interior magnetism accuse flywheel group 84 to realize the operation of simulation operation paddle, can realize electrodeless speed governing function through interior magnetism accuse flywheel group 84, be fit for the regulation of various gears, convenience of customers rotates suitable gear according to self condition, and wherein interior magnetism accuse flywheel group 84 and tensile springback mechanism are prior art, no longer gives unnecessary details to its structure here.

Referring to fig. 3, in another embodiment, the handle mechanism 8 further includes a swing arm 85 movably connected to the base. This scheme, come simulation quant through swing arm 85, can carry out various operations, be fit for various rowing exercise, the user can be at swing arm 85 and draw arbitrary rotation between the handle, the selection space is big, wherein the concrete mounting structure of swing arm 85 is conventional technical means, no longer describe its structure here, and mountable silica gel material or genuine leather material etc. hold the position on swing arm 85, can show to promote and feel, also can install various human characteristic sensor and come real-time supervision human data, at cushion 51, rowing machine handle 81 is last also to install, can realize the rhythm of the heart, human characteristic monitoring such as blood oxygen.

Preferably, the sliding seat assembly 5 is located on the center line of the running platform 4 and the upright 2. This setting is located holistic central point with slide subassembly 5 after, more is favorable to improving the space utilization of this treadmill, and also when rowing operations, it is more steady.

Specifically, be equipped with the mounting hole on the base, be equipped with on the stand 2 with mounting hole complex rotation axis 11, rotation axis 11 passes the mounting hole and pedal assembly 9 swivelling joint. This arrangement allows the foot pedal assembly 9 to be directly mounted using the rotating shaft 11 of the upright 2 without adding a structure for mounting the rotating shaft 11 to the base, thereby significantly simplifying the structure, reducing the cost, and reducing the failure rate.

Preferably, the top end of the upright post 2 is provided with a first supporting portion 12, when the upright post 2 is folded with the running platform 4, the first supporting portion 12 abuts against the ground, and the angle adjustment between the upright post 2 and the running platform 4 is realized by adjusting the length or the rotation angle of the first supporting portion 12, wherein the first supporting portion 12 may be a handle fixed on the upright post 2 or a rotating arm rotatably mounted on the upright post 2, and the like, including but not limited to the above examples. When this scheme medium standing pillar 2 lies in running platform 4 and folds, the first supporting part 12 and the ground contact on 2 tops of stand to can conveniently adjust stand 2 and the angle of running platform 4 through first supporting part 12, thereby realized the adjustment of slide subassembly 5 inclination, make the user can adopt more comfortable mode to carry out the motion of rowing boat, this scheme can also need not to set up height-adjusting's structure on running platform 4, thereby the ground area who has reduced running platform 4 occupies.

In another embodiment, a supporting block for adjusting the height of the running platform 4 may be provided at the bottom of the running platform 4, and the aforementioned effect of the first supporting portion 12 can also be achieved, the supporting block may be a structure adjusted by electric lifting or a structure adjusted by hand, and the structure for adjusting the height is a conventional technical means, and therefore is not shown in the drawings.

Referring to fig. 5 and fig. 6 again, in an embodiment, the bottom end of the slide rail 6 is rotatably connected to the bottom frame 1, and the top end of the slide rail 6 is detachably connected to the top end of the upright post 2, where the detachable connection includes, but is not limited to, a snap connection, a magnetic connection, a fastening member, and the like, and the detachable connection structure is a conventional technical means, and is not described herein again. This scheme, slide rail 6 is not fixed completely on stand 2, and consequently slide rail 6 can rotate alone this moment, only need during the use dismantle 6 tops of slide rail and 2 tops unblocks of stand for slide rail 6 can rotate, rotate slide rail 6 and place and can just be according to original scheme the same operation of rowing boat on running platform 4, owing to need not to drive stand 2 and rotate, make the operation degree of difficulty lower, and this structure does not increase extra ground space and occupies. Wherein the connection between the slide rail 6 and the base can be a hinge or other rotary connection.

Referring to fig. 9 and 10, further, a second supporting portion 61 is disposed at the top end of the slide rail 6, and when the slide rail 6 rotates away from the treadmill 4 to contact with the ground, the second supporting portion 61 abuts against the ground, so that the slide rail 6 is parallel to the treadmill 4. This scheme, can also be through 6 antiport with slide rail, make second supporting part 61 on the slide rail 6 can hold slide rail 6, thereby realized that rowing machine function and treadmill function can use simultaneously, compare the prior art and can only use the scheme of one of them function alone, the progress of this scheme is more showing, and during the use, rowing person is face-to-face with the user of running, can exchange each other, especially be fit for the family user and use, promote family harmony, this scheme is when accomodating folding with the occupation ground space of current treadmill basically the same, consequently, high space utilization has.

The present invention is not described in detail in the prior art, and therefore, the present invention is not described in detail.

It is understood that the terms "a" and "an" should be interpreted as meaning that a number of one element or element is one in one embodiment, while a number of other elements is one in another embodiment, and the terms "a" and "an" should not be interpreted as limiting the number.

Although the terms of the chassis 1, the pillar 2, the instrument cluster 3, the running board 4, the slide assembly 5, the slide rail 6, the running board transmission assembly 7, the rowing machine handle mechanism 8, the footrest assembly 9, the rotating shaft 11, the first support 12, the seat cushion 51, the fixing portion 52, the pulley 53, the second support 61, the rowing machine handle 81, the pulling rope 82, the pulling rope rebounding mechanism 83, the internal magnetically controlled flywheel cluster 84, the swing arm 85, the pedal plate 91, etc., are used more herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.

The present invention is not limited to the above-mentioned preferred embodiments, and any other products in various forms can be obtained by anyone in the light of the present invention, but any changes in the shape or structure thereof, which have the same or similar technical solutions as those of the present application, fall within the protection scope of the present invention.

Claims

1. a multifunctional folding treadmill, comprising a chassis, a column, an instrument cluster and a treadmill, wherein the column is provided with a sliding seat assembly that is movably connected to the column, and the sliding seat assembly is driven by an external force. It can do reciprocating motion along the length direction of the column, and the column is connected with the treadmill through the base frame in rotation; the base frame is provided with a treadmill transmission component for driving the running platform, a pedal component connected with the base frame in rotation, and A rower handle mechanism that is movably connected to the bottom frame, and the rower handle mechanism is used to simulate a paddle; when the upright column is relatively rotated until it is in a closed state with the treadmill, the upright column is parallel to the treadmill, and at this time In rower mode; when the column is separated from the treadmill to the initial position, it is in treadmill mode.

2 . The multifunctional folding treadmill according to claim 1 , wherein the sliding seat assembly comprises a seat cushion and a fixing part connected with the seat cushion, and a sliding rail that slides with the fixing part is provided on the column. 3 . , the seat cushion can slide back and forth on the slide rail through the fixing part.

3 . The multifunctional folding treadmill according to claim 1 , wherein a first support portion is provided at the top of the column, and the first support portion abuts when the column and the treadmill are closed. 4 . On the ground, the angle adjustment between the column and the treadmill is realized by adjusting the length or rotation angle of the first support portion.

4 . The multifunctional folding treadmill according to claim 1 , wherein the rower handle mechanism comprises a rower handle, a pull rope connected with the rower handle, and a pull rope back connected with the pull rope. 5 . The elastic mechanism and the inner magnetic control flywheel group drivingly connected with the pull rope rebound mechanism.

5 . The multifunctional folding treadmill according to claim 2 , wherein the bottom end of the slide rail is rotatably connected to the chassis, and the top end of the slide rail is detachably connected to the top end of the column. 6 .

6 . The multifunctional folding treadmill according to claim 5 , wherein the top of the slide rail is provided with a second support portion, and when the slide rail rotates away from the treadmill to contact the ground, the The second support part abuts on the ground, so that the slide rail is parallel to the treadmill.

7 . The multifunctional folding treadmill according to claim 4 , wherein the rower handle mechanism further comprises a swing arm movably connected to the base. 8 .

8 . The multifunctional folding treadmill according to claim 2 , wherein the fixing part is provided with a pulley that cooperates with the sliding rail. 9 .

9 . The multifunctional folding treadmill according to claim 1 , wherein the sliding seat assembly is located on the center line of the treadmill and the upright column. 10 .

10 . The multifunctional folding treadmill according to claim 1 , wherein a mounting hole is provided on the base, a rotating shaft matched with the mounting hole is provided on the upright, and the rotating shaft passes through the mounting hole. 11 . The mounting hole is rotatably connected with the pedal assembly.

11 . The multifunctional folding treadmill according to claim 1 , wherein the foot pedal assembly comprises two foot pedals, and each of the foot pedals is rotatably connected to a bottom frame or a column, and 11 . The base frame is provided with an activity area for foot pedal installation and adjustment activities.