CN210384701U - Unpowered self-service treadmill - Google Patents

Abstract

The utility model discloses an unpowered self-help treadmill, which comprises a main frame, a belt running mechanism, a double-pull-wire self-generating power mechanism and two swing rods, wherein the middle parts of the two swing rods are respectively pivoted on the left side and the right side of the main frame, and a seesaw structure is formed between the upper part and the lower part of the two swing rods; the double-wire-pulling self-generating power mechanism is provided with two wire bodies led out outwards and a rotating disc, and the lower parts of the two swing rods are respectively and correspondingly connected with one ends of the outer parts of the two wire bodies led out outwards by the double-wire-pulling self-generating power mechanism. The utility model can not only utilize the swing of the left rocker and the right rocker to assist in adjusting the moving speed of the roller belt so as to improve the moving stability of the roller belt, but also adjust the running speed by itself, thereby enhancing the running experience and the exercise effect of the running sporter; the device has the characteristics of simple structure and low manufacturing cost, and the swing postures of the two hands of the runner are not limited, so that the running form can be better simulated.

Description

Unpowered self-service treadmill

Technical Field

The utility model relates to a fitness equipment especially relates to a self-service treadmill of unpowered.

Background

The running machine is a sports fitness device, so that people can run in a small indoor place. The prior art mainly comprises a powered (i.e. electrodynamic force) running machine and an unpowered (i.e. non-electric force) running machine, wherein the powered running machine utilizes an electric mechanism to drive a roller belt to move, and a runner needs to keep on the roller belt through running motion and is not carried out by the movement of the roller belt; the unpowered treadmill drives the roller belt to move through the running action of the running exerciser. The traditional unpowered treadmill generally utilizes the friction force or gravity of a runner during running to drive the roller belt to move, and the traditional unpowered treadmill has the defect that the roller belt sometimes moves fast and slowly, so that the runner has poor running experience. The unpowered self-running machine in the prior art is disclosed in chinese patent CN207575649U, wherein a left hand-held swing assembly and a right hand-held swing assembly are adopted to drive a swing shaft to rotate, and the swing shaft is linked with a front roller, so that the swing motion of both hands of a running exerciser is driven by the swing assembly and the swing shaft to rotate, and the roller is driven to move to form unpowered self-running, thereby realizing the function of unpowered self-running.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art and provide an unpowered self-service treadmill, which has the advantages that through the structural improvement, on one hand, the swing rod can smoothly drive the front roller to rotate, and the two hands of a running exerciser can be well combined with the natural arm swinging action during the running exercise; on the other hand, the moving speed of the roller belt can be assisted and adjusted, so that the two hand action force of the running exerciser and the moving speed of the roller belt form effective combination, and the running experience and the exercise effect of the running exerciser are greatly enhanced; the roller belt has the characteristics of improving the moving stability of the roller belt, automatically improving the running speed, along with simple structure and low manufacturing cost.

The utility model provides a technical scheme that its technical problem adopted is: an unpowered self-help treadmill comprises a main frame and a belt running mechanism; the belt running mechanism comprises a front roller, a rear roller and a roller belt, the front roller and the rear roller are respectively and rotatably arranged at the front part and the rear part of the main frame, and the roller belt is matched on the front roller and the rear roller; the treadmill also comprises a double-stay wire spontaneous power mechanism and two swing rods, wherein the middle parts of the two swing rods are respectively pivoted on the left side and the right side of the main frame, and a seesaw structure is formed between the upper parts and the lower parts of the two swing rods; the double-pull-wire self-powered mechanism is provided with two wire bodies and a rotating disc, wherein the two wire bodies are led out outwards, and when at least one of the two wire bodies is pulled, the rotating disc can be rotated; the rotating disc of the double-pull-wire self-power-generation mechanism is arranged on the main frame and is linked with the front roller; the lower parts of the two swing rods are respectively and correspondingly connected with one end of the outer part of the two line bodies led out from the double-wire-pulling self-power-generating mechanism, so that when the upper parts of the swing rods are pushed forwards, the lower parts of the swing rods move backwards to pull the line bodies, and the rotating disc is driven to rotate.

The main frame is also provided with a plurality of rollers which are used for guiding two line bodies led out from the double-wire-drawing self-power-generating mechanism to the lower parts of the two swing rods respectively.

The main frame comprises a bracket body which is approximately in a frame shape, and the front roller and the rear roller are respectively arranged in the frame of the bracket body; the left side and the right side of the front part of the bracket body are respectively provided with an upright post which protrudes upwards, and the middle parts of the two swing rods are respectively pivoted at the tops of the two upright posts.

The swing rod is composed of an upper rod piece and a lower rod piece, the top of the lower rod piece is pivoted to the top of the upright post, and the bottom of the lower rod piece can swing back and forth relative to the upright post; one end of the outer side of the line body is connected with the bottom of the lower rod piece; the bottom end of the upper rod piece is pivoted with the top end of the lower rod piece, and the upper part of the upper rod piece can swing along the left-right direction relative to the lower rod piece.

The upper rod piece is a telescopic rod piece so as to be suitable for users with different heights.

The lower rod piece is a pipe fitting, and one end of the outer part of the line body extends into the pipe fitting from the bottom end of the pipe fitting to be connected with the pipe fitting; the middle lower part of the pipe fitting is provided with a plurality of fixing holes for adjusting the fixed length of the umbilical member so as to adjust the moving stroke of the umbilical member.

And a folding mechanism is also arranged between the upright post and the bracket body so as to fold the upright post in the bracket body or extend the upright post on the bracket body.

The folding mechanism comprises a first connecting piece, a second connecting piece and a sliding groove arranged on the side edge of the bracket body; one end of the first connecting sheet is fixed with the lower part of the upright post, the other end of the first connecting sheet is pivoted with one end of the second connecting sheet, and the other end of the second connecting sheet is matched in the sliding groove through the locking knob, so that the other end of the second connecting sheet is fixed at the two ends of the sliding groove, and the folding or unfolding of the upright post is realized.

The double-pull-wire self-generating power mechanism is a double-pull-wire spring coiling spooler, and the wire body is a pull wire; the double-pull-rope spring coiling spooler further comprises a braid wheel shaft, two spoolers and two one-way bearings; the driving belt wheel shaft is arranged on the main frame; the two wire winders are respectively and bidirectionally rotatably arranged on the belt wheel shaft and symmetrically positioned at two sides of the rotating disc, the two wire winders are respectively linked with the rotating disc at two sides of the rotating disc through two one-way bearings so as to realize the one-way driving of the rotating disc to rotate, the rotating disc is provided with a first shaft sleeve, and the first shaft sleeve of the rotating disc is arranged in the wire winders through the one-way bearings; the tension rope is arranged on one side of the wire rewinding device, one end of the interior of the tension rope is fixed to the wire rewinding device, the volute spiral spring is arranged on the other side of the wire rewinding device, and the tension rope of the wire rewinding device is distributed in the side close to the rotating disc.

The double-pull-rope coil spring wire-rewinding device also comprises a woven belt wheel and a woven belt wheel cover; the weaving belt wheel is arranged on the weaving belt wheel shaft through a bearing so as to realize bidirectional rotation relative to the weaving belt wheel shaft, the scroll spring is arranged in the weaving belt wheel, and the weaving belt wheel cover is fixed on the weaving belt wheel and encloses the scroll spring therein; the driving belt wheel is provided with an installation groove, and the tension rope is installed in the installation groove of the driving belt wheel; the driving belt wheel is provided with a second shaft sleeve, and the first shaft sleeve of the rotating disc is installed in the second shaft sleeve of the driving belt wheel through the one-way bearing.

A woven belt wheel positioning sleeve is arranged on the woven belt wheel shaft and matched in a space enclosed by the woven belt wheel and the woven belt wheel cover; one end of the volute spiral spring is clamped on the weaving belt wheel positioning sleeve, and the other end of the volute spiral spring is clamped on the wheel edge of the weaving belt wheel.

Two woven belt wheel positioning sleeves are arranged on the woven belt wheel shaft, one woven belt wheel positioning sleeve is fixed on the woven belt wheel shaft in an injection molding mode, and the other woven belt wheel positioning sleeve is fixed on the woven belt wheel shaft in a clamping and connecting mode through a clamp spring; and an anti-rotation surface is also respectively arranged between the other weaving belt wheel positioning sleeve and the weaving belt wheel shaft.

The double-pull-wire self-generating power mechanism is a chain wheel device, and the line body is a chain; the chain wheel device comprises a chain wheel shaft, a chain wheel, a one-way bearing and a resetting piece; the chain wheel shaft is arranged on the main frame in a bidirectional rotating manner through a bearing; the two chain wheels are respectively arranged at two ends of the chain wheel shaft through one-way bearings so as to drive the chain wheel shaft to rotate in a one-way mode; the two chains are respectively matched on the two chain wheels, and one end of each chain is fixed on the main frame through the resetting piece; the rotating disc is installed on the chain wheel shaft so as to drive the rotating disc to rotate by the chain wheel shaft.

One-stage or multi-stage variable-speed transmission mechanisms are further arranged between the rotating disc and the front roller, and a one-way bearing is arranged between one of the transmission wheels and the transmission shaft in the transmission mechanisms.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model adopts the running machine provided with the double-pull-wire spontaneous power mechanism and the two swing rods, and the middle parts of the two swing rods are respectively pivoted on the left side and the right side of the main frame, and the space between the upper part and the lower part of the two swing rods is of a seesaw structure; the double-pull-wire self-powered mechanism is provided with two wire bodies and a rotating disc, wherein the two wire bodies are led out outwards, and when at least one of the two wire bodies is pulled, the rotating disc can be rotated; the double-pull-wire self-generating power mechanism is arranged at the front part of the main frame, and the rotating disc is linked with the front roller; the lower parts of the two swing rods are respectively and correspondingly connected with the outer ends of the two line bodies which are led out from the double-wire self-powered mechanism. The structure of the utility model can push and pull the swing back and forth of the swing rod by utilizing the natural arm swinging action of the running exerciser when running, and push the upper part of the swing rod forward, so that the lower part of the swing rod moves backwards to pull the line body, the swing rod is designed to drive the rotating disc to rotate, and the swing rod can smoothly drive the rotating disc to rotate and further drive the front roller to rotate due to the flexible connection (namely the line body) between the swing rod and the spontaneous power mechanism, so that the two hands of the running exerciser can well combine the natural arm swinging action of the running exerciser; the moving speed of the roller belt can be assisted and adjusted, so that the two-hand action force of the running exerciser and the moving speed of the roller belt are effectively combined, and the running experience and the exercise effect of the running exerciser are greatly enhanced; the roller belt has the characteristics of improving the moving stability of the roller belt, automatically improving the running speed, along with simple structure and low manufacturing cost.

2. The utility model adopts the design that the swing rod is an upper rod piece and a lower rod piece, the top of the lower rod piece is pivoted at the top of the upright post, and the bottom of the lower rod piece can swing along the front-back direction relative to the upright post; the bottom end of the upper rod piece is pivoted with the top end of the lower rod piece, and the upper part of the upper rod piece can swing along the left-right direction relative to the lower rod piece. The utility model discloses a this kind of structure for the pendulum rod is when carrying out the fore-and-aft swing effectively, and the first section still can the horizontal hunting, has avoided straight rod type structure can only swing around and to the limitation when running motion person gets rid of the arm action.

3. The utility model discloses owing to adopted still to be equipped with folding mechanism between stand and stake body, can realize folding up the stand in stake body or extend on stake body, at the in-process of the storage of treadmill and transportation, can fold the stand to the side of the stake body of the frame shape of body frame together with the pendulum rod of connection on the stand, reduced the shared space of direction of height when treadmill storage and transportation greatly.

The present invention will be described in further detail with reference to the accompanying drawings and examples; however, the present invention is not limited to the embodiment.

Drawings

Fig. 1 is a schematic perspective view of a first embodiment of the present invention;

fig. 2 is a front view of a first embodiment of the present invention;

fig. 3 is a top view of a first embodiment of the present invention;

fig. 4 is a side view of a first embodiment of the present invention;

fig. 5 is a front view (the swing link is folded) of the first embodiment of the present invention;

fig. 6 is a schematic exploded perspective view (with parts exploded) of a first embodiment of the present invention;

fig. 7 is a schematic view of the cooperation among the swing link, the dual-pull-wire self-actuating mechanism, the transmission mechanism and the front roller according to the first embodiment of the present invention;

fig. 8 is a schematic view of the cooperation among the dual-pulling-wire self-actuating mechanism, the transmission mechanism and the front roller according to the first embodiment of the present invention;

fig. 9 is a partial configuration diagram of a transmission mechanism according to a first embodiment of the present invention;

fig. 10 is a schematic perspective view of a dual-stay wire spring winder according to a first embodiment of the present invention;

fig. 11 is an exploded perspective view of a double-pulling-rope spring winder according to a first embodiment of the present invention;

fig. 12 is a cross-sectional view of a double-pulling-rope spring winder according to a first embodiment of the present invention;

fig. 13 is an exploded perspective view of a wire rewinding device according to a first embodiment of the present invention;

fig. 14 is a schematic perspective view of a first embodiment of the present invention.

Detailed Description

Example one

Referring to fig. 1 to 13, the unpowered self-service treadmill of the present invention comprises a main frame 1 and a belt running mechanism 2; the belt running mechanism 2 comprises a front roller 21, a rear roller 22 and a roller belt 23, the roller belt 23 of the embodiment is a belt, and of course, in other embodiments, the roller belt may also be a crawler belt or other similar components; the front roller 21 and the rear roller 22 are respectively and rotatably arranged at the front part and the rear part of the main frame 1, and the roller belt 23 is matched on the front roller 21 and the rear roller 22; the running machine also comprises a double-stay wire spontaneous power mechanism 3 and two swing rods 4, wherein the middle parts of the two swing rods 4 are respectively pivoted on the left side and the right side of the main frame 1, and a seesaw structure is formed between the upper parts and the lower parts of the two swing rods 4; the double-wire-pulling self-power-generation mechanism 3 is provided with two wire bodies 32 led out outwards and a rotating disc 31, and when at least one of the two wire bodies 32 is pulled, the rotating disc 31 can be rotated; the rotating disc 31 of the double-wire-pulling self-power-generation mechanism 3 is arranged at the front part of the main frame 1, and the rotating disc 31 is linked with the front roller 21; the lower parts of the two swing rods 4 are respectively and correspondingly connected with one end of the outer part of the two line bodies 32 led out from the double-wire-drawing self-power-generating mechanism, so that when the upper parts of the swing rods 4 are pushed forwards, the lower parts of the swing rods 4 move backwards to pull the line bodies 32, the rotating disc 31 is driven to rotate, the rotating disc 31 drives the front roller 21 to rotate, and the roller belt 23 moves.

In this embodiment, the main frame 1 is further provided with a plurality of rollers 11 for guiding two line bodies 32 led out from the double-wire self-powered mechanism to the lower portions of the two swing rods 4 respectively.

In the present embodiment, the main frame 1 includes a substantially frame-shaped bracket body 12 and a front support 13 disposed at a front end of the bracket body so as to be inclined, and the front drum 21 and the rear drum 22 are respectively mounted in the frame of the bracket body 12; upright posts 14 protruding upwards are respectively arranged on the left side and the right side of the front part of the support body 12, and the middle parts of the two swing rods 4 are respectively pivoted on the tops of the two upright posts 14. The purpose of the front support 13 is to provide the support body with an inclined configuration, but it is of course possible to provide the support body 12 substantially horizontally without the front support.

In this embodiment, the swing link 4 is composed of an upper link 41 and a lower link 42, the top of the lower link 42 is pivoted to the top of the upright 14, and the bottom of the lower link 42 can swing back and forth relative to the upright 14; one end of the outer side of the umbilical member 32 is connected to the bottom of the lower rod 42; the bottom end of the upper rod 41 is pivotally connected to the top end of the lower rod 42, so that the upper portion of the upper rod 41 can swing in the left-right direction relative to the lower rod 42.

In this embodiment, the upper rod 41 is a non-telescopic component, but the upper rod 41 may also be a telescopic rod, for example, composed of two tubes sleeved together, so that one of the tubes can be extended or retracted relative to the other tube and positioned to adapt to users with different heights.

In this embodiment, the lower rod 42 is a pipe, and one end of the exterior of the umbilical member 32 extends into the pipe from the bottom end of the pipe 42 to connect with the pipe; the middle lower part of the pipe member 42 is provided with a plurality of fixing holes 421 for adjusting the fixed length of the umbilical member 32 and further adjusting the moving stroke of the umbilical member.

In this embodiment, a folding mechanism is further installed between the upright column 14 and the support body 12 to fold or extend the upright column 14 in or on the support body, so as to fold the swing link 4.

In this embodiment, the folding mechanism includes a first connecting piece 51, a second connecting piece 52 and a sliding groove 15 configured on the side of the bracket body; one end of the first connecting piece 51 is fixed to the lower portion of the upright post 14, the other end of the first connecting piece 51 is pivoted to one end of the second connecting piece 52, and the other end of the second connecting piece 52 is fitted into the sliding groove 15 through a locking knob 53, so that the other end of the second connecting piece 52 is fixed to two ends of the sliding groove 15, thereby folding or unfolding the upright post 14 and further folding or unfolding the swing rod 4.

In this embodiment, the double-pull-cord self-power-generation mechanism 3 is a double-pull-cord spring winder, and the filament body 32 is a pull cord; the double-pulling-rope spring-coiling wire-rewinding device 3 further comprises a webbing wheel shaft 33, two wire-rewinding devices 34 and two one-way bearings 35; the woven belt wheel shaft 33 is arranged on the main frame 1; the rotating disc 31 is arranged on the weaving wheel shaft 33; the two wire winders 34 are respectively and bidirectionally rotatably mounted on the belt wheel shaft 33 and symmetrically located at two sides of the rotating disc 31, the two wire winders 34 are respectively linked with the rotating disc 31 at two sides of the rotating disc 31 through two one-way bearings 35 to realize the one-way driving of the rotating disc 31 to rotate, the rotating disc 31 is provided with a first shaft sleeve 311, and the first shaft sleeve 311 of the rotating disc 31 is mounted in the wire winders 34 through the one-way bearings 35; the tensile cord 32 is installed on one side of the wire-rewinding device 34, and the spiral spring 36 is installed on the other side of the wire-rewinding device 34, and the tensile cord 32 in the wire-rewinding device 34 is distributed in the side close to the rotating disc 31.

In this embodiment, the double-pulling-rope spring-coiling wire-rewinding device 3 further comprises a braid wheel 37 and a braid wheel cover 38; the driving pulley 37 is mounted on the driving pulley shaft 33 through a bearing 371 to realize bidirectional rotation relative to the driving pulley shaft 33, the spiral spring 36 is mounted in the driving pulley 37, and the driving pulley cover 38 is fixed on the driving pulley 37 and encloses the spiral spring 36; the driving wheel 37 is provided with an installation groove 372, and the tension rope 32 is installed in the installation groove 372 of the driving wheel 37; the driving pulley 37 is provided with a second sleeve 373, and the first sleeve 311 of the rotating disk 31 is mounted in the second sleeve 373 of the driving pulley 37 through the one-way bearing 35.

In this embodiment, a woven belt wheel positioning sleeve 331 is installed on the woven belt wheel shaft 33, and the woven belt wheel positioning sleeve 331 is fitted in a space surrounded by the woven belt wheel 37 and the woven belt wheel cover 38; one end of the spiral spring 36 is clamped on the weaving wheel positioning sleeve 373, and the other end of the spiral spring 36 is clamped at the wheel rim of the weaving wheel 37.

In this embodiment, the two driving pulley positioning sleeves 331 are installed on the driving pulley shaft 33, one of the driving pulley positioning sleeves is fixed on the driving pulley shaft in an injection molding manner, and the other driving pulley positioning sleeve is fixed on the driving pulley shaft in a snap-in manner by a snap spring; and an anti-rotation surface is also respectively arranged between the other weaving belt wheel positioning sleeve and the weaving belt wheel shaft.

In this embodiment, a transmission mechanism 6 with one or more speed changes is further installed between the rotating disc 31 and the front roller 32. In the present embodiment, the transmission mechanism 6 includes a first transmission shaft 611, a first transmission wheel 621, a second transmission wheel 622, a second transmission shaft 612, a third transmission wheel 623 and a fourth transmission wheel 624, the first transmission shaft 611 and the second transmission shaft 612 are respectively rotatably installed in the main frame 1, the first transmission wheel 621 and the second transmission wheel 622 are respectively fixed on the first transmission shaft 611 and can rotate with the first transmission shaft 611, the third transmission wheel 623 and the fourth transmission wheel 624 are respectively fixed on the second transmission shaft 612 and can rotate with the second transmission shaft 612, wherein the first transmission wheel 621 and the first transmission shaft 611 are formed as a whole, the third transmission wheel 623 and the second transmission shaft 612 are formed as a whole, the first transmission wheel 621 and the rotary plate 31 are connected by a belt, the second transmission wheel 622 and the third transmission wheel 623 are connected by a belt, the fourth transmission wheel 624 and the front roller 32 are connected by a belt, the diameter of the first driving wheel 621 is designed to be smaller than that of the rotating disc 31, the diameter of the second driving wheel 622 is designed to be larger than that of the first driving wheel 621, the diameter of the third driving wheel 623 is designed to be smaller than that of the second driving wheel 622, and the diameter of the fourth driving wheel 624 is designed to be larger than that of the third driving wheel 623, so that variable speed transmission is realized.

In this embodiment, a one-way bearing 63 is provided between the second drive wheel 622 and the first drive shaft 611 to facilitate the starting of the roller belt 23.

In this embodiment, an inertia wheel 64 is further mounted on the first transmission shaft 611 for adjusting the amount of the resistance.

The utility model relates to an unpowered self-help treadmill, which adopts a double-pull-wire self-powered mechanism 3 and two swing rods 4 arranged on the treadmill, and the middle parts of the two swing rods 4 are respectively pivoted on the left and right sides of a main frame 1, and a seesaw structure is formed between the upper part and the lower part of the two swing rods 4; the double-wire-pulling self-power-generation mechanism 3 is provided with two wire bodies 32 led out outwards and a rotating disc 31, and when at least one wire body 32 of the two wire bodies 32 is pulled, the rotating disc 31 can rotate; the rotating disc 31 of the double-wire-pulling self-power-generation mechanism 3 is arranged at the front part of the main frame 1, and the rotating disc 31 is linked with the front roller 21; the lower parts of the two swing rods 4 are respectively and correspondingly connected with the outer ends of the two line bodies 32 which are led out from the double-wire self-powered mechanism 3. The structure of the utility model can push and pull the swing back and forth of the swing rod 4 by utilizing the natural swing arm action of the running exerciser when running, and push the upper part of the swing rod 4 forward, so that the lower part of the swing rod 4 moves backwards to pull the line body 32, the swing rod is designed to drive the rotating disc 31 to rotate, and the swing rod can smoothly drive the rotating disc to rotate and further drive the front roller to rotate due to the flexible connection (namely the line body) between the swing rod 4 and the self-generating power mechanism 3, so that the two hands of the running exerciser can well combine the natural swing arm action of the running exerciser; the moving speed of the roller belt can be assisted and adjusted, so that the two-hand action force of the running exerciser and the moving speed of the roller belt are effectively combined, and the running experience and the exercise effect of the running exerciser are greatly enhanced; the roller belt has the characteristics of improving the moving stability of the roller belt, automatically improving the running speed, along with simple structure and low manufacturing cost.

The utility model relates to an unpowered self-help treadmill, which adopts the design that a swing rod 4 is an upper rod piece 41 and a lower rod piece 42, the top of the lower rod piece 42 is pivoted on the top of a stand column 14, and the bottom of the lower rod piece 42 can swing along the front and back directions relative to the stand column 14; the bottom end of the upper link 41 is pivotally connected to the top end of the lower link 42, and the upper portion of the upper link 41 is swingable in the left-right direction with respect to the lower link 42. The utility model discloses a this kind of structure for pendulum rod 4 is when carrying out the seesaw effectively, and the first section still can the horizontal hunting, has avoided straight rod type structure can only swing around and to the limitation when running motion person gets rid of the arm action.

The utility model discloses an unpowered self-service treadmill, adopted still to be equipped with folding mechanism between stand 14 and stake body 12, can realize folding up stand 14 in stake body 12 or extend on stake body 12, at the in-process of the storage of treadmill and transportation, can fold stand 14 together the side of the stake body of the frame shape of body frame 1 with pendulum rod 4 of connection on the stand, shared space in the direction of height when greatly having reduced treadmill storage and transportation.

Example two

Referring to fig. 14, the difference between the unpowered self-help treadmill of the present invention and the first embodiment is that the dual-pulling-wire self-help power mechanism is a sprocket device 7, and the line body is a chain 71; the chain wheel device comprises a chain wheel shaft 72, a chain wheel 73, a one-way bearing and a resetting piece; the restoring member of the present embodiment employs a bungee cord 74; the chain wheel shaft 72 is mounted on the main frame 1 through a bearing in a bidirectional rotating manner; two chain wheels 73 are respectively arranged at two ends of the chain wheel shaft 72 through one-way bearings so as to drive the chain wheel shaft 72 to rotate in a one-way mode; the two chains 71 are respectively matched on the two chain wheels 73, and one end of each chain 71 is fixed on the main frame 1 through the elastic rope 74; the rotating disc 31 is mounted on the chain wheel shaft 72, so that the chain wheel shaft 72 drives the rotating disc 31 to rotate.

The foregoing is illustrative of the preferred embodiment of the present invention and is not to be construed as limiting the invention in any way. Although the present invention has been described with reference to the preferred embodiments, it is not intended to limit the present invention. The technical solutions disclosed above can be used by those skilled in the art to make many possible variations and modifications, or to modify equivalent embodiments, without departing from the scope of the present invention. Therefore, any simple modification, equivalent change and modification made to the above embodiments by the technical entity of the present invention should fall within the protection scope of the technical solution of the present invention.

Claims (14)

1. An unpowered self-help treadmill comprises a main frame and a belt running mechanism; the belt running mechanism comprises a front roller, a rear roller and a roller belt, the front roller and the rear roller are respectively and rotatably arranged at the front part and the rear part of the main frame, and the roller belt is matched on the front roller and the rear roller; the method is characterized in that: the treadmill also comprises a double-stay wire spontaneous power mechanism and two swing rods, wherein the middle parts of the two swing rods are respectively pivoted on the left side and the right side of the main frame, and a seesaw structure is formed between the upper parts and the lower parts of the two swing rods; the double-pull-wire self-powered mechanism is provided with two wire bodies and a rotating disc, wherein the two wire bodies are led out outwards, and when at least one of the two wire bodies is pulled, the rotating disc can be rotated; the rotating disc of the double-pull-wire self-power-generation mechanism is arranged on the main frame and is linked with the front roller; the lower parts of the two swing rods are respectively and correspondingly connected with one end of the outer part of the two line bodies led out from the double-wire-pulling self-power-generating mechanism, so that when the upper parts of the swing rods are pushed forwards, the lower parts of the swing rods move backwards to pull the line bodies, and the rotating disc is driven to rotate.

2. The unpowered self-service treadmill of claim 1, wherein: the main frame is also provided with a plurality of rollers which are used for guiding two line bodies led out from the double-wire-drawing self-power-generating mechanism to the lower parts of the two swing rods respectively.

3. The unpowered self-service treadmill of claim 1, wherein: the main frame comprises a bracket body which is approximately in a frame shape, and the front roller and the rear roller are respectively arranged in the frame of the bracket body; the left side and the right side of the front part of the bracket body are respectively provided with an upright post which protrudes upwards, and the middle parts of the two swing rods are respectively pivoted at the tops of the two upright posts.

4. The unpowered self-service treadmill of claim 3, wherein: the swing rod is composed of an upper rod piece and a lower rod piece, the top of the lower rod piece is pivoted to the top of the upright post, and the bottom of the lower rod piece can swing back and forth relative to the upright post; one end of the outer side of the line body is connected with the bottom of the lower rod piece; the bottom end of the upper rod piece is pivoted with the top end of the lower rod piece, and the upper part of the upper rod piece can swing along the left-right direction relative to the lower rod piece.

5. The unpowered self-service treadmill of claim 4, wherein: the upper rod piece is a telescopic rod piece so as to be suitable for users with different heights.

6. The unpowered self-service treadmill of claim 4, wherein: the lower rod piece is a pipe fitting, and one end of the outer part of the line body extends into the pipe fitting from the bottom end of the pipe fitting to be connected with the pipe fitting; the middle lower part of the pipe fitting is provided with a plurality of fixing holes for adjusting the fixed length of the umbilical member so as to adjust the moving stroke of the umbilical member.

7. The unpowered self-service treadmill of claim 3, wherein: and a folding mechanism is also arranged between the upright post and the bracket body so as to fold the upright post in the bracket body or extend the upright post on the bracket body.

8. The unpowered self-service treadmill of claim 7, wherein: the folding mechanism comprises a first connecting piece, a second connecting piece and a sliding groove arranged on the side edge of the bracket body; one end of the first connecting sheet is fixed with the lower part of the upright post, the other end of the first connecting sheet is pivoted with one end of the second connecting sheet, and the other end of the second connecting sheet is matched in the sliding groove through the locking knob, so that the other end of the second connecting sheet is fixed at the two ends of the sliding groove, and the folding or unfolding of the upright post is realized.

9. The unpowered self-service treadmill of claim 1, wherein: the double-pull-wire self-generating power mechanism is a double-pull-wire spring coiling spooler, and the wire body is a pull wire; the double-pull-rope spring coiling spooler further comprises a braid wheel shaft, two spoolers and two one-way bearings; the driving belt wheel shaft is arranged on the main frame; the two wire winders are respectively and bidirectionally rotatably arranged on the belt wheel shaft and symmetrically positioned at two sides of the rotating disc, the two wire winders are respectively linked with the rotating disc at two sides of the rotating disc through two one-way bearings so as to realize the one-way driving of the rotating disc to rotate, the rotating disc is provided with a first shaft sleeve, and the first shaft sleeve of the rotating disc is arranged in the wire winders through the one-way bearings; the tension rope is arranged on one side of the wire rewinding device, one end of the interior of the tension rope is fixed to the wire rewinding device, the volute spiral spring is arranged on the other side of the wire rewinding device, and the tension rope of the wire rewinding device is distributed in the side close to the rotating disc.

10. The unpowered self-service treadmill of claim 9, wherein: the double-pull-rope coil spring wire-rewinding device also comprises a woven belt wheel and a woven belt wheel cover; the weaving belt wheel is arranged on the weaving belt wheel shaft through a bearing so as to realize bidirectional rotation relative to the weaving belt wheel shaft, the scroll spring is arranged in the weaving belt wheel, and the weaving belt wheel cover is fixed on the weaving belt wheel and encloses the scroll spring therein; the driving belt wheel is provided with an installation groove, and the tension rope is installed in the installation groove of the driving belt wheel; the driving belt wheel is provided with a second shaft sleeve, and the first shaft sleeve of the rotating disc is installed in the second shaft sleeve of the driving belt wheel through the one-way bearing.

11. The unpowered self-service treadmill of claim 10, wherein: a woven belt wheel positioning sleeve is arranged on the woven belt wheel shaft and matched in a space enclosed by the woven belt wheel and the woven belt wheel cover; one end of the volute spiral spring is clamped on the weaving belt wheel positioning sleeve, and the other end of the volute spiral spring is clamped on the wheel edge of the weaving belt wheel.

12. The unpowered self-service treadmill of claim 11, wherein: two woven belt wheel positioning sleeves are arranged on the woven belt wheel shaft, one woven belt wheel positioning sleeve is fixed on the woven belt wheel shaft in an injection molding mode, and the other woven belt wheel positioning sleeve is fixed on the woven belt wheel shaft in a clamping and connecting mode through a clamp spring; and an anti-rotation surface is also respectively arranged between the other weaving belt wheel positioning sleeve and the weaving belt wheel shaft.

13. The unpowered self-service treadmill of claim 1, wherein: the double-pull-wire self-generating power mechanism is a chain wheel device, and the line body is a chain; the chain wheel device comprises a chain wheel shaft, a chain wheel, a one-way bearing and a resetting piece; the chain wheel shaft is arranged on the main frame in a bidirectional rotating manner through a bearing; the two chain wheels are respectively arranged at two ends of the chain wheel shaft through one-way bearings so as to drive the chain wheel shaft to rotate in a one-way mode; the two chains are respectively matched on the two chain wheels, and one end of each chain is fixed on the main frame 1 through the resetting piece; the rotating disc is installed on the chain wheel shaft so as to drive the rotating disc to rotate by the chain wheel shaft.

14. The unpowered self-service treadmill of claim 1, wherein: one-stage or multi-stage variable-speed transmission mechanisms are further arranged between the rotating disc and the front roller, and a one-way bearing is arranged between one of the transmission wheels and the transmission shaft in the transmission mechanisms.

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