CN201246451Y

CN201246451Y - Driving belt tension regulating system

Info

Publication number: CN201246451Y
Application number: CNU2008202080176U
Authority: CN
Inventors: 乔治派里斯; 叶建中
Original assignee: KMS Co Ltd; Kimix Co
Current assignee: Good luck International Limited
Priority date: 2008-08-25
Filing date: 2008-08-25
Publication date: 2009-05-27
Anticipated expiration: 2018-08-25

Abstract

The utility model relates to a drive belt tensioning system, which comprises a transmission device and a tensioning device, wherein the transmission device is provided with a main rotating wheel and a spinning wheel, a belt is used for transmission between the main rotating wheel and the spinning wheel, the tensioning device is provided with a rotary plate, an idler wheel and an adjusting set, the rotary plate which is mounted on the main rotating wheel via pin joint can rotate on the main rotating wheel, the idler wheel at a predestinated position on the rotary plate is wound by the belt, the adjusting set can transmit the rotation angle of the rotary plate, further, the adjusting set utilizes one end of an elastic component to connect with the rotary plate, a fixing seat is fixedly arranged in the elastic component, and an adjusting rod is meshed with the elastic component, and one end of the adjusting rod is screwed on the fixing seat, by aids of the components, the adjusting rod is changed in radial form on the fixing seat so as to drive the rotary plate and the idler wheel on the rotary plate to rotate by the elastic component, when the position of the idler wheel varies, the tightness of the belt can be further restrained, thereby achieving the function of tensioning.

Description

Drivign belt tension adjustment system

Technical field

The utility model relates to the tension adjustment structure, particularly is used on the drivign belt of cycling-trainer, is used as the tension adjustment function of adjusting the belt elasticity.

Background technique

Cycling-trainer mainly is to utilize the foot-operated action of persistency to rotate with the flywheel that drive has resistance, to reach the equipment of exercise for power and body-building; Generally speaking, the drive mechanism of exercycle, it mainly is provided with a transmission device below a support, described transmission device has an active rotating disk and is located at described support front end below, one driven flywheel is located at described support rear end below, and utilizes a drivign belt to be limited by the transmission of described active rotating disk and rotation synchronously; One damping device is to be installed between each described active rotating disk and the driven flywheel, and it has an idle pulley, and makes it contact the transmission generation resistance that described drivign belt makes described active rotating disk; Described damping device then mostly is and utilizes magnetron configuration that described flywheel is produced electromagnetic induction, and its technology that produces resistance is used.

Except that above-mentioned main member, in transmission structures, how can add to have and to adjust belt pressure wheel assembling and positioning structure, be in belt one side suitable position contact and press, to adjust the tension force of belt elasticity, further person, can make the belt transmission can be more firm, also can avoid belt when detouring, to produce skidding.

Summary of the invention

At the deficiencies in the prior art, the purpose of this utility model is: a kind of drivign belt tension adjustment system is provided, adjusts belt tension more easily.

For achieving the above object, the technical solution adopted in the utility model is:

A kind of drivign belt tension adjustment system is characterized in that, comprising:

One transmission device, it has a main runner of trampling transmission with a pedal, and a spinning roller of passive rotation, and is to conduct with a belt between each described main runner and spinning roller;

One tension adjusting device, it has and is hubbed on the described main runner and a rotating plate that can rotate thereon, be located at described rotating plate predetermined position and through an idle pulley of described belt winding, a but and adjustment group of the described rotating plate angle of swing of transmission, wherein said adjustment group is utilized end of an elastic component and described rotating plate to connect and is established, and in elastic component, being installed with a fixed base, a regulating lever is arranged on the described fixed base with the one end.

Compared with prior art, adopt the advantage that the utlity model has of technique scheme to be:

1. the utility model provides a kind of drivign belt tension adjustment system, is contacted in belt one side to exert pressure, and can reach the function that belt tension is adjusted.

2. the utility model provides a kind of drivign belt tension adjustment system, is to have the effect of automatically replying, and need not to use electric energy to drive, and can save the energy and consume.

3. the utility model provides a kind of drivign belt tension adjustment system, and its member is simple, and group is established easily, and can effectively reduce manufacture cost.

Description of drawings

Fig. 1 is the stereo appearance figure of the utility model one preferred embodiment;

Fig. 2 is the three-dimensional appearance enlarged diagram of the utility model one preferred embodiment;

Fig. 3 is the perspective exploded view of the utility model one preferred embodiment;

Fig. 4 establishes schematic representation for the group of the utility model one preferred embodiment;

Fig. 5 is the user mode schematic representation one of the utility model one preferred embodiment;

Fig. 6 is the user mode schematic representation two of the utility model one preferred embodiment;

Fig. 7 is the user mode schematic representation three of the utility model one preferred embodiment.

Description of reference numerals: support 10; Rotating plate 31; Transmission device 20; Adjust hole 311; Pedal 21; Idle pulley 32; Main runner 22; Adjustment group 33; Spinning roller 23; Elastic component 331; Belt 24; Fixed base 332; Tension adjusting device 30; Regulating lever 333; Tune portion 334; Spiral shell is established portion 335; Hemisphere packing ring 336; Fixed bolt 34.

Embodiment

At first please refer to Fig. 1 to Fig. 4, a kind of drivign belt tension adjustment provided by the utility model system consists predominantly of: a support 10, and be located at a transmission device 20 and a tension adjusting device 20 in the described support.

Described support 10 is the pedestals with room.

Described transmission device 20, it has a main runner 22 of trampling transmission with a pedal 21, and a spinning roller 23 of passive rotation, and is to conduct with a belt 24 at each described

main runner

22 and 23 of spinning rollers.

Described tension adjusting device 30, it has a rotating plate 31 that is hubbed on the described main runner 22 and can rotates thereon, be located at described rotating plate 31 predetermined positions and through an idle pulley 32 of described belt 24 windings, but and an adjustment group 33 of described rotating plate 31 angle of swing of transmission; Being to have three to adjust hole 311 on the described rotating plate 31, is to be the arc strip hole that rotates the start concentrics with described rotating plate 31; Three fixed bolts 34 are located in respectively in each described adjustment hole 311 described rotating plate 31 are positioned on the described main runner 22; Described idle pulley is to rotate on described rotating plate; Described adjustment group 33 is to utilize an elastic component 331 one ends and described rotating plate 31 to connect to establish, and is installed with a fixed base 332 in elastic component 331, cooperates a regulating lever 333 to be arranged on the described fixed base 332 with the one end; Described elastic component 331 is application of spring, with the natural elasticity that provides described rotating plate 31 swings to reply; Described fixed base 332 is the spring inside diameter edge that are installed in described elastic component 311 with welding manner; Described regulating lever 333 is to have one to tune portion 334 and a spiral shell is established portion 335, establishing portion 335 with described spiral shell wears described support 10 and is fixed, and make described spiral shell establish portion 335 to be arranged in the described fixed base 332, its terminal preset length of also extending is to described elastic component 331; Further being provided with a hemisphere packing ring 336 between each described regulating lever 333 and the support 10, is to be located on the described regulating lever 333.

Rely on above-mentioned member, utilizing described regulating lever 333 to do screw displacement on described fixed base 332 changes, make elastic component 331 so drive described rotating plate 31 and on described idle pulley 32 produce rotation synchronously, when described idle pulley 32 positions change, then further pin down the elasticity of described belt 24, reach the tension adjustment function.

By for further understand the utility model structure characteristics, application technology means and the effect reached of expection, now the utility model usage mode is described below:

Establish for of the present utility model group, at first described idle pulley 32 is installed on the described rotating plate 31; Again with described rotating plate 31 and on described idle pulley 32 be installed in the axis of rotation position of described spinning roller 23, this moment, each described fixed bolt 34 was to be located in each described adjustment hole 311 respectively and with described rotating plate 31 location but the fixing state of not packing makes described rotating plate 31 still have rotatable pre-set space; Then allow an end ditch of described elastic component 331 be located at described rotating plate 31 below predetermined positions, the other end internal diameter edge then is installed with described fixed base 332, makes described regulating lever 333 then wear to described support 10 inner and make described spiral shell establish portion 335 to be screwed onto on the described fixed base 332 by the sheathed in advance described hemisphere packing ring 336 in described support 10 outsides again; Make the described idle pulley 32 external diameter edge of described belt 24 pile warps with effective contact at last, promptly finish assembling.

The utility model is when carrying out the tension adjustment of described belt 24, please refer to Fig. 5 to Fig. 7, being that turn is described tunes portion 334 so that the be spirally connected position generation line of described regulating lever 333 in described fixed base 332 directly changes, when being tensile state to spur described elastic component 331, also affect described rotating plate 31 and establish thereon described idle pulley 32 synchronous swing offsets, when described idle pulley 32 positions change, then the described belt 24 of winding on it is that contact pressure and area also change, and reaches the adjustment of tension force.

Described adjustment group 33 of the present utility model, be each described fixed base 332 and the regulating lever 333 that utilizes the design that is spirally connected mutually, both are the line path position and move variation, cooperate described elastic component 331 that the pulling power that described rotating plate 31 is rotated down is provided when tightening described belt 24 tension force, the power that when transferring loose described belt 24 tension force, then provides a described rotating plate 31 upwards to reply, and reach described belt 24 tension adjustment effects, further can make described belt 24 transmissions can be more firm, also can avoid described belt 24 when detouring action, to produce skidding; In addition, utilize described adjustment hole 311 to provide described rotating plate 31 in swing action displacement guiding space, so when described rotating plate 31 rotates, can make described fixed bolt 34 in described adjustment hole 311, do the variation of relative position, to reach that described rotating plate 31 is the location but the fixing state of not packing.

In addition, the element that described adjustment group 33 need not use palpus electric energy such as gas, oil hydraulic cylinder, motor to drive, the consumption that can save the energy; Moreover described adjustment group 33 its members are simple, and group is established easily, and can effectively reduce manufacture cost, has practicability.

Comprehensively above-mentioned, " the drivign belt tension adjustment system " that the utility model disclosed, provide and a kind ofly be converted to the tension adjustment system that rotation is moved with line footpath movement direction, it utilizes described fixed base to do line footpath displacement on described regulating lever, and then the described elastic component that connects of transmission and described fixed base, make it affect each described rotating plate and idle pulley to produce the design of rotation, be to reach the adjustment of belt degree of tightness with simple member, simultaneously need not use electric energy effectively to be reduced cost, and obtain the high tension adjustment structure of a practicability, make whole really tool industrial applicability and cost benefit.

More than explanation is just illustrative for the utility model; and nonrestrictive, those of ordinary skills understand, under the situation of the spirit and scope that do not break away from claim and limited; can make many modifications, variation or equivalence, but all will fall within the protection domain of the present utility model.

Claims

1, a kind of drivign belt tension adjustment system is characterized in that, comprising:

2, drivign belt tension adjustment according to claim 1 system is characterized in that: have at least one adjustment hole on the described rotating plate, described adjustment hole is the arc strip hole that is with described rotating plate rotation start concentric; At least one fixed bolt is located in the described adjustment hole described rotating plate is positioned on the described main runner.

3, drivign belt tension adjustment according to claim 1 system, it is characterized in that: each described transmission device and tension adjustment group are provided in a side of in the support; Described regulating lever is to have one to tune portion and a spiral shell is established portion, wears described support with the described spiral shell portion of establishing and is fixed, and the described spiral shell portion of establishing is arranged in the described fixed base.

4, drivign belt tension adjustment according to claim 1 system, it is characterized in that: described elastic component is a spring; Described fixed base is the spring inside diameter edge that is installed in described elastic component with welding manner.

5, drivign belt tension adjustment according to claim 1 system, it is characterized in that: described regulating lever is arranged in the described fixed base, and its terminal preset length of also extending is to described elastic component.

6, drivign belt tension adjustment according to claim 1 system, it is characterized in that: described idle pulley can rotate on described rotating plate.

7, drivign belt tension adjustment according to claim 1 system, it is characterized in that: further be provided with a hemisphere packing ring between each described regulating lever and the support, described hemisphere packing ring is located on the described regulating lever.