CN205084316U

CN205084316U - Active transmission structure of treadmill

Info

Publication number: CN205084316U
Application number: CN201520716450.0U
Authority: CN
Inventors: 张仲甫
Original assignee: Individual
Current assignee: Individual
Priority date: 2015-09-16
Filing date: 2015-09-16
Publication date: 2016-03-16
Anticipated expiration: 2025-09-16

Abstract

The utility model provides an active transmission structure of treadmill, because the vertical position of second pivot is less than the vertical position of first pivot, the messenger run looking sideways at of area appear before high back low and have a structure of concave arc, make the user when running, the gravity of utilization itself and aforesaid before high back low and have a structure of concave arc, can glide automatically, and then drive the flywheel through first pivot and carry out inertia and rotate, and when user's speed slows down, the resistance that can utilize the damping unit makes the flywheel slow down and stop fast, and may not use motor drive, also need not to use electric power, reach the environmental protection, safe and low -cost efficiency.

Description

The active drive mechanism of treadmill

Technical field

The utility model relates to a kind of equipment of treadmill, espespecially a kind of active drive mechanism of treadmill.

Background technology

There is multiple treadmill at present, a flat step treadmill is wherein had only to borrow runner to the deboost of treadmill belt with flying wheel, application flying wheel is assisted treadmill belt to rotate and is advanced, it is faster that it rotates gait of march, and the velocity namely representing runner is faster, but the acceleration of gravity that flying wheel rotates because of breeding, runner is made to want to stop in running, cannot stop advancing of treadmill belt fast, and runner is now stopping running action fast, the danger of throwing and falling will caused.

Develop a treadmill in order to aforesaid disappearance, the power of the treadmill of the prior art, all adopt single motor and singlely turn to as power source, to draw the race band of treadmill, and power source is nothing more than being DC motor or AC inverter motor two kinds.But the rotating speed dynamic range that known DC motor can provide is limited, cannot infinite extension use; Although the rotating speed dynamic range of AC inverter motor is comparatively wide, when extremely low frequency (low speed), the rotor magnetic flux of its motor is very easily saturated, causes AC inverter motor to be difficult to control, even has the risk of burning.Therefore use AC inverter motor when low frequency, frequency converter can automatic reducing effect in the voltage of motor, its torsion can be declined to a great extent.Because for AC inverter motor, below 120HZ is applied to " determining torsion ", more than 120HZ is then applied to " determining power "; Therefore, when more than 120HZ high-frequency operates, the torsion that motor also cannot maintain high liquid standard exports, and so just limits the rotating speed output area of certain degree.

So the treadmill power source of prior art, no matter be use DC motor or AC inverter motor, its speed provided all will do a choice.Such as; Be implemented on the extremely low speed that rehabilitation uses, its power source just must abandon enforcement at a high speed, and gets rid of the use group of running at a high speed.Otherwise during to be implemented on speedy carding process, the rehabilitation just must abandoning low speed uses group.For reduce above-mentioned situation the restriction that derives, be implemented on the treadmill that rehabilitation uses, speed output area how can be adopted compared with the AC inverter motor of wide area, so as to meeting the demand of pole low speed needed for rehabilitation, and the high-speed requirement needed for body-building.

Because the treadmill of above-mentioned prior art all must use motor to drive, therefore all need to use electric power, not only cannot power saving also not environmentally, and the restriction in place can be subject to; Moreover this treadmill, only can regulate and control the speed of treadmill belt velocity of rotation, runner runs along with regulated and controled speed, therefore, only can train its cardio-pulmonary function, and cannot take into account the muscular strength of training both feet, be also its shortcoming.

Due to aforesaid two kinds of treadmills, a flat step treadmill has danger, and another treadmill only has the training of cardio-pulmonary function, and palpus circuit board, control panel and motor, relative cost is higher; In view of aforementioned disappearance, develop again a kind of magnetic control running exercising machine; This magnetic control running exercising machine is with the regulation and control of magnetic control crop rotation resistance, but the speed of uncontrollable speed, and training muscular strength cannot be followed one's bent, also quite inconvenience in operation, because making exercise for power with regulating and controlling needed for runner applicable resistance.

Utility model content

For solving the problem of above-mentioned prior art, the utility model provides a kind of active drive mechanism of treadmill, because the upright position of the second rotating shaft is lower than the upright position of the first rotating shaft, low and there is the structure of concave arc after high before the side-looking of treadmill belt is presented, make user when running, the gravity of utilization itself and aforesaid before high after low and there is the structure of concave arc, can automatically glide by inertia, and then drive flying wheel to carry out free-wheel by the first rotating shaft, and when user's speed slows down, can utilize the resistance of damping unit that flying wheel is slowed down, and can not need to use motor driving, also without the need to using electric power, reach effect of environmental protection and safety, more can not be subject to having the place of supply of electric power to limit, and have cardiopulmonary concurrently, the double benefit of exercise for power.

For reaching above-mentioned purpose, the utility model provides a kind of active drive mechanism of treadmill, comprises one first rotating shaft, has a first end and one second end; One flying wheel, is fixed on this first end of this first rotating shaft or the either end of the second end; And a damping unit, be fixed on this second end of this first rotating shaft or the either end of first end.

Described drive mechanism, more comprises one second rotating shaft, and this first rotating shaft is parallel to each other and interval is arranged, and utilizes a treadmill belt coiling this first rotating shaft coated and this second rotating shaft.

Described drive mechanism, more comprise a buffer board, be arranged between this first rotating shaft and this second rotating shaft, and be arranged in this treadmill belt of winding, make runner drive first and second rotating shaft synchronous axial system to the Friction thrust that treadmill belt produces, rotate synchronously to drive this flying wheel and damping unit.

In certain embodiments, damping unit is a blower fan.

Aforementioned blower fan, provides the blade of blower fan to be subject to windage in rotation, makes the treadmill belt in advancing stop naturally stopping operating fast, to promote runner's security when running runner.

In aforementioned blower fan, can fill liquid or sand, make the blade of blower fan stir liquid or sand, to promote damping.

In certain embodiments, this damping unit is a pulley, a driving belt and a blower fan, this the second end pivot joint of this pulley and this first rotating shaft, spaced setting between this blower fan and this pulley, this driving belt winding on this pulley and this blower fan, to make this pulley and this blower fan interlock.

In certain embodiments, the upright position of this second rotating shaft is lower than the upright position of this first rotating shaft.

Accompanying drawing explanation

Fig. 1 represents the schematic appearance of active drive mechanism one first embodiment of the utility model treadmill.

Fig. 2 represents the volume rendering schematic diagram of the treadmill of the active drive mechanism of the utility model.

The illustrative view of flying wheel when Fig. 3 represents that the active drive mechanism of the utility model treadmill uses.

The illustrative view of blower fan when Fig. 4 represents that the active drive mechanism of the utility model treadmill uses.

Fig. 5 represents the schematic appearance of active drive mechanism one second embodiment of the utility model treadmill.

Fig. 6 represents the damping unit second embodiment schematic diagram of the active drive mechanism of the utility model treadmill.

Fig. 7 represents damping unit the 3rd embodiment schematic diagram of the active drive mechanism of the utility model treadmill.

Fig. 8 represents the schematic appearance of active drive mechanism 1 the 3rd embodiment of the utility model treadmill.

Fig. 9 represents the schematic appearance of active drive mechanism 1 the 4th embodiment of the utility model treadmill.

Reference numeral

The active drive mechanism of 100 treadmills

10 supports

1 first rotating shaft

11 first ends

12 second ends

2 flying wheels

3 second rotating shafts

4 buffer boards

5 blower fans

50 same movable pulleys

51 blades

52 liquid

53 sand

6 pulleys

7 driving belts

8 treadmill belts.

Detailed description of the invention

Please refer to shown in Fig. 1 to Fig. 9, the active drive mechanism 100 of the utility model treadmill comprises the first rotating shaft 1, flying wheel 2, damping unit, one second rotating shaft 3 and a buffer board 4; Aforementioned components is all arranged on a support 10.

First rotating shaft 1 has first end 11 and one second end 12.

Flying wheel 2 is at least fixed on the first end 11 of the first rotating shaft 1 and the either end of the second end, and with this damping unit interlock.

Damping unit is at least fixed on the first end of the first rotating shaft 1 and the either end of the second end 12, and with the first rotating shaft 1 interlock.

Wherein, damping unit can be a blower fan 5(as shown in Figure 1), or damping unit be pulley 6, driving belt 7 and a blower fan 5(as shown in Figure 5), the axle center of this blower fan 5 is with together movable pulley 50 is coaxial, and the second end 12 of pulley 6 and the first rotating shaft 1 is fixed, spaced setting between the same movable pulley 50 of this blower fan 5 and pulley 6, with this driving belt 7 winding at pulley 6 and with on movable pulley 50, to make pulley 6 and blower fan 5 interlock.

The diameter of aforesaid pulley 6 is equal to or less than the diameter of same movable pulley 50, makes pulley 6 under any velocity of rotation of treadmill belt 8, provides the velocity of rotation of blower fan 5 to be at least not less than the velocity of rotation of pulley 6, to promote damping.

Before and after second rotating shaft 3 and the first rotating shaft 1, parallel interval is arranged, and utilizes coated first rotating shaft 1 and the second rotating shaft 3 of treadmill belt 8 coiling; The upright position of the second rotating shaft 3 is lower than the upright position of the first rotating shaft 1.

One buffer board 4 is arranged between the first rotating shaft 1 and the second rotating shaft 3, and is arranged in the treadmill belt 8 of winding, and low after following the front height of treadmill belt 8, low after high before this buffer board 4 is also arranged.

Aforementioned blower fan 5, provides the blade 51 of blower fan 5 to be subject to windage in rotation, makes the treadmill belt 8 in advancing stop naturally stopping operating fast, to promote runner's security when running runner.

In aforementioned blower fan 5, can fill liquid 52(as Fig. 6) or sand 53(as Fig. 7), make the blade 51 of blower fan 5 stir liquid 52(as Fig. 6) or sand 53(as Fig. 7), to promote damping.

Refer to Fig. 8, in this embodiment, in the first end 11 of this first rotating shaft 1 and the either end of the second end 12, at least one end arranges flying wheel 2 and a blower fan 5; According to aforesaid setting, when can all arrange a symmetrical flying wheel 2 and the damping unit of a blower fan 5 at this first end 11 with this second end 12.

Refer to Fig. 9, in this embodiment, the first end 11 of this first rotating shaft 1 and the either end of the second end 12, at least arrange flying wheel 2 and a pulley 6, spaced setting between the together movable pulley 50 that this blower fan 5 is coaxial and this pulley 6, makes pulley 6 and blower fan 5 interlock with this driving belt 7; Therefore, as all arranged this flying wheel 2 and pulley 6 at this first end 11 and the second end 12, and symmetrical same movable pulley 50 and blower fan 5 are all set, all with driving belt 7 transmission, not only can promote exercise for power and the velocity of rotation of runner, more can make the both sides balanced load of treadmill 100.

By above-mentioned structure, because the upright position of the second rotating shaft 3 is lower than the upright position of the first rotating shaft 1, low and there is the structure of concave arc after high before the side-looking of treadmill belt 8 is presented, make user when running, the gravity of utilization itself and aforesaid before high after low and there is the structure of concave arc, foot thrust can be borrowed automatically to glide, to train foot muscular strength, and then drive flying wheel 2 to carry out free-wheel by the first rotating shaft 1, when runner's velocity is faster, pushing speed is also faster backward, to train cardio-pulmonary function by foot for treadmill belt 8; When user's speed slows down, can utilize the resistance of damping unit that flying wheel 2 is slowed down and runner stop run time, treadmill belt 8 also stops operating fast, fallen by throwing to prevent runner, there is safety effect, more needing to use motor driving, also without the need to using electric power, reach environmental protection and safety effect, more can not be subject to having the place of supply of electric power to limit.

These are only preferred embodiment of the present utility model, be not able to this limit the utility model implement protection domain, therefore all with reference to description of the present utility model do simple equivalence change with modify, still belong to protection domain of the present utility model.

Claims

1. an active drive mechanism for treadmill, a coated treadmill belt between the first rotating shaft and two rotating shafts, this treadmill belt is wound in this first and second rotating shaft, arranges a buffer board in this treadmill belt, and is arranged on a support, forms a treadmill; Its feature comprises: one first rotating shaft, has a first end and one second end;

One flying wheel, is at least fixed on this first end of this first rotating shaft and the either end of the second end; And

One damping unit, is at least arranged on this first end of this first rotating shaft and the either end of the second end, and with this flying wheel interlock.

2. the active drive mechanism of treadmill as claimed in claim 1, is characterized in that, wherein, the upright position of this second rotating shaft is lower than the upright position of this first rotating shaft.

3. the active drive mechanism of treadmill as claimed in claim 2, is characterized in that, wherein, this buffer board is according to high rear low before this treadmill belt, low after high before also arranging.

4. the active drive mechanism of treadmill as claimed in claim 1, it is characterized in that, wherein, this damping unit is a blower fan.

5. the active drive mechanism of treadmill as claimed in claim 1, it is characterized in that, wherein, this damping unit is a pulley, a driving belt and a blower fan, the axle center of this blower fan is with together movable pulley is coaxial, and the second end of pulley and the first rotating shaft is fixed, and the same movable pulley of this blower fan and this pulley room are every setting, with this driving belt winding at pulley and with on movable pulley, make pulley and blower fan interlock.

6. the active drive mechanism of treadmill as claimed in claim 4, is characterized in that, wherein, and fill liquid in this blower fan.

7. the active drive mechanism of treadmill as claimed in claim 4, is characterized in that, wherein, and can back-up sand in this blower fan.

8. the active drive mechanism of treadmill as claimed in claim 1, is characterized in that, wherein, and this first end of this first rotating shaft and the second end is symmetrical is respectively arranged with a flying wheel and a blower fan.

9. the active drive mechanism of treadmill as claimed in claim 5, it is characterized in that, wherein, this first end and second end of this first rotating shaft all arrange this flying wheel and pulley, and symmetrical interval arranges same movable pulley and blower fan.