CN208490275U - Belt tensioning mechanism - Google Patents
Belt tensioning mechanism Download PDFInfo
- Publication number
- CN208490275U CN208490275U CN201820694555.4U CN201820694555U CN208490275U CN 208490275 U CN208490275 U CN 208490275U CN 201820694555 U CN201820694555 U CN 201820694555U CN 208490275 U CN208490275 U CN 208490275U
- Authority
- CN
- China
- Prior art keywords
- belt
- vehicle frame
- wheel
- tensioning
- tension spring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
Abstract
Belt tensioning mechanism, including vehicle frame, first pulley, the second belt wheel and brake pedal are provided on the vehicle frame, it is connected between the first pulley and second belt wheel by belt, further includes a tensioning wheel, the tensioning wheel is connect on the vehicle frame by linking arm, it further include tension spring, the tension spring pulls the tensioning wheel to be tensioned the belt, and the pedal is connected on the vehicle frame by link rotatable, and the connecting rod and the linking arm are fixed in same root shaft.
Description
Technical field
The utility model relates to a kind of grass trimmers, more particularly, to the belt tensioning mechanism on a kind of grass trimmer.
Background technique
The grass trimmer of certain model, power are driven by belt, and when transmitting power, belt is tensioning
, when brake, belt needs to unclamp grass trimmer, convenient for the interruption of engine when brake and the power wheel of vehicle
It opens, prevents engine misses.
The patent of the applicant's application: CN201320804155.1 discloses " T shape arm linkage belt gear ", it
Including rack, engine, T shape tensioner arm, speed-changing gear box rear axle, engine and speed-changing gear box rear axle correspondence are fixed on rack
On, T shape tensioner arm is rotatably provided in rack, and the engine is equipped with driving pulley, is set on speed-changing gear box rear axle
There is driven pulley；T shape tensioner arm be equipped with rotatable V-arrangement tensioning wheel peace tensioning wheel, belt be looped around driving pulley and from
On movable belt pulley, it is connected with tensioning tension spring between the T shape tensioner arm and rack of sheet bearing up pulley side, V-arrangement tensioning wheel is from inner side tension skin
Band, sheet bearing up pulley is from outside tightening belt；Rack is equipped with rotatable braking pedal, is fixed with linkage board on braking pedal,
Linkage pull rod is equipped between linkage board and T shape tensioner arm.The speed-changing gear box rear axle is equipped with brake arm, brake arm and connection
Brake retracting spring and brake bar are connected between movable plate.
This structure is also able to achieve the tensioning of belt and loosens, but structure is complicated, it is therefore necessary to improve.
Summary of the invention
In view of the deficiencies of the prior art, the utility model provides a kind of belt tensioning mechanism, and structure greatly simplifies, and can be real
Now same function.
The technical scheme adopted by the utility model to solve the technical problem is as follows: belt tensioning mechanism, including vehicle frame, institute
It states and is provided with first pulley, the second belt wheel and brake pedal on vehicle frame, pass through between the first pulley and second belt wheel
Belt is connected, and further includes a tensioning wheel, and the tensioning wheel is connect on the vehicle frame by linking arm, further includes drawing
Spring, the tension spring pull the tensioning wheel to be tensioned the belt, and the pedal is connected on the vehicle frame by link rotatable, institute
It states connecting rod and the linking arm is fixed in same root shaft.The connecting rod and the linking arm are directly fixed on same by we
In root shaft, brake pedal can be also drawn to the position of release, depressed by tension spring while pulling tensioning wheel tightening belt
When plate, simultaneously, shaft rotation drives linking arm rotation, and when linking arm rotates, belt unclamps, this is engine and wheel for brake
Between power transmit disconnect.Releasing of brake pedal, pedal and tensioning wheel are restored to original state simultaneously under the action of tension spring.It is this
Structure has been completed at the same time the tensioning of tensioning wheel and the reset of brake pedal using a spring, therefore structure greatly simplifies, conscientiously
It existing function and is not different in the past.
In above-mentioned technical proposal, it is preferred that one end of the tension spring is fixed on the linking arm, the tension spring it is another
End is fixed on the vehicle frame.
The beneficial effects of the utility model are: the connecting rod and the linking arm are directly fixed on same root shaft by us
On, brake pedal can be also drawn to the position of release while pulling tensioning wheel tightening belt by tension spring, when depressing pedal,
Simultaneously, shaft rotation drives linking arm rotation, and when linking arm rotates, belt unclamps, this is between engine and wheel for brake
Power transmitting disconnects.Releasing of brake pedal, pedal and tensioning wheel are restored to original state simultaneously under the action of tension spring.This structure,
It is completed at the same time the tensioning of tensioning wheel and the reset of brake pedal using a spring, therefore structure greatly simplifies, it is conscientiously existing
It function and is not different in the past.
Detailed description of the invention
The present invention will be further described with reference to the accompanying drawings and examples.
Fig. 1 is the structural schematic diagram of the utility model.
Specific embodiment
In Fig. 1, belt tensioning mechanism, including vehicle frame 1 is provided with first pulley 11, the second belt wheel 12 on the vehicle frame 1
With brake pedal 2, it is connected between the first pulley 11 and second belt wheel 12 by belt 3, further includes a tensioning wheel
4, it further includes tension spring 5 that the tensioning wheel 4 is connect on the vehicle frame 1 by linking arm 41, one end of the tension spring 5
It is fixed on the linking arm 41, the other end of the tension spring 5 is fixed on the vehicle frame 1.The tension spring 5 pulls the tensioning
The 4 tensioning belt 3 of wheel, the brake pedal 2 are rotatably connected on the vehicle frame 1 by connecting rod 21, the connecting rod 21 and institute
Linking arm 41 is stated to be fixed in same root shaft 6.
The connecting rod and the linking arm are directly fixed in same root shaft by we, and tension spring is pulling tensioning wheel tensioning
While belt, brake pedal can be also drawn to the position of release, when depressing pedal, simultaneously, shaft rotation, drive connects for brake
Arm rotation is connect, when linking arm rotates, belt unclamps, this is the power transmitting disconnection between engine and wheel.Releasing of brake is stepped on
Plate, pedal and tensioning wheel are restored to original state simultaneously under the action of tension spring.This structure has been completed at the same time using a spring
The tensioning of bearing up pulley and the reset of brake pedal, therefore structure greatly simplifies, conscientiously existing function and are not different in the past.
Claims (2)
1. belt tensioning mechanism, including vehicle frame, it is provided with first pulley, the second belt wheel and brake pedal on the vehicle frame, it is described
It is connected between first pulley and second belt wheel by belt, further includes a tensioning wheel, the tensioning wheel passes through linking arm
It connects on the vehicle frame, further includes tension spring, the tension spring pulls the tensioning wheel to be tensioned the belt, and feature exists
In;The pedal is connected on the vehicle frame by link rotatable, and the connecting rod and the linking arm are fixed on same root shaft
On.
2. belt tensioning mechanism according to claim 1, it is characterized in that: one end of the tension spring is fixed on the linking arm
On, the other end of the tension spring is fixed on the vehicle frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820694555.4U CN208490275U (en) | 2018-05-10 | 2018-05-10 | Belt tensioning mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820694555.4U CN208490275U (en) | 2018-05-10 | 2018-05-10 | Belt tensioning mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208490275U true CN208490275U (en) | 2019-02-15 |
Family
ID=65299212
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820694555.4U Active CN208490275U (en) | 2018-05-10 | 2018-05-10 | Belt tensioning mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208490275U (en) |
-
2018
- 2018-05-10 CN CN201820694555.4U patent/CN208490275U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201479591U (en) | Weeding machine | |
| KR101251336B1 (en) | Apparatus attached to a tractor for removing vinyl film | |
| CN208490275U (en) | Belt tensioning mechanism | |
| US4224996A (en) | Control mechanism for a walk-behind rotary tiller | |
| CN101905649A (en) | Crawler reaper-binder | |
| CN201761361U (en) | Pedrail binder | |
| CN2926046Y (en) | Strong band-feeding tensioning mechanism of binder | |
| CN211184984U (en) | Self-propelled disc grass chopper | |
| CN201721583U (en) | Bicycle | |
| CN209732043U (en) | Safety brake device for working cutter shaft of belt-driven mower | |
| CN210959424U (en) | Structure for controlling clutch and cut-off of belt pulley of riding type rice transplanter | |
| CN208344440U (en) | Motorcycle with general small-size gasoline engine | |
| CN202455859U (en) | Chassis for corn harvester | |
| CN110972645A (en) | Structure for controlling clutch and cut-off of belt pulley of riding type rice transplanter | |
| CN210275158U (en) | Weeding equipment | |
| CN2928657Y (en) | Pressure driven telescopic creeping vehicle | |
| CN2425075Y (en) | Self-propelled tractor for large section wire traction | |
| CN2270141Y (en) | Tractor clutch | |
| CN2266258Y (en) | Agricultural cultivating & transporting machine | |
| CN201185547Y (en) | Dynamoelectric farming machine | |
| CN216789209U (en) | Harvester control assembly | |
| CN2561694Y (en) | Drag link transmission mechanism of bicycle | |
| CN2288721Y (en) | Universal drive shaft type wheel chair | |
| CN215122233U (en) | Mower and transmission system thereof | |
| CN218114876U (en) | Four-caterpillar tractor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |