CN2276452Y - Variable speed tricycle - Google Patents
Variable speed tricycle Download PDFInfo
- Publication number
- CN2276452Y CN2276452Y CN 96223779 CN96223779U CN2276452Y CN 2276452 Y CN2276452 Y CN 2276452Y CN 96223779 CN96223779 CN 96223779 CN 96223779 U CN96223779 U CN 96223779U CN 2276452 Y CN2276452 Y CN 2276452Y
- Authority
- CN
- China
- Prior art keywords
- chain
- fork
- guide wheel
- bolt
- wheel
- 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.)
- Expired - Fee Related
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- Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
Abstract
The utility model relates to a variable speed tricycle belonging to the technical field of the manpower tricycle. The utility model is characterized in that the centre shaft is connected with a big and a small chain wheels; the middle section of a reinforcing rod is connected with a connection fork; a fork slot of the connection fork is connected with a movable fork by a bolt; the fork slot of the movable fork is movably connected with a guide wheel by a bolt; one end of the spring is connected with a connection fork, and the other end is connected with the movable fork; a chain is engaged with the guide wheel. The tricycles can change speed and simultaneously is provided with a guide wheel device, and the chain can not loose to fall off the chain.
Description
The utility model relates to the manual tricycle field, exactly is the speed change three-wheel vehicle.
Current manual tricycle mostly is single chain wheel single speed, and empty wagons or bogie all can only travel by single speed, and especially up-hill journey also can't the amount of lightening one's labor.The city that has occurs a kind of speed change three-wheel vehicle, and when chain changes after speed change on the little chain wheel, chain slack is sagging, so just takes off chain easily, causes inconvenience.
The purpose of this utility model is in order to overcome the deficiency of prior art, aim to provide a kind of can speed change, to alleviate in load-carrying or labour intensity when going up a slope, do not make chain slack sagging again, can not take off the speed change three-wheel vehicle of chain.
The purpose of this utility model is achieved in that a kind of speed change three-wheel vehicle, form by large toothed disk, little chain wheel, guide wheel, chain, shaft clevis and spring, it is characterized in that connecting on the axis large and small two chain wheels, stage casing at stirrup connects a shaft clevis, be dynamically connected by the tail end of bolt in the leading portion fork pockets of shaft clevis with movable fork, be dynamically connected by bolt and guide wheel in the fork pockets of movable fork, one end of spring is connected with the rear portion of shaft clevis, the other end is connected with the front portion of movable fork, chain and guide wheel engagement.
The utility model has the advantages that large and small two chain wheels, chain can be arbitrarily and large toothed disk or the engagement of denticle dish, so that change moment, change speed is equipped with guide wheel device simultaneously, can tighten chain, does not make chain because of the loose chain that takes off.
Accompanying drawing 1: the utility model variable part plan structure scheme drawing,
The A-A cutaway view of accompanying drawing 2: Fig. 1,
Accompanying drawing 3: the utility model assembling scheme drawing.
Embodiment:
Referring to Fig. 3, vehicle frame 10, railway carriage 14, stirrup 5, front-wheel 12 and trailing wheel 13 are original members of manual tricycle, and referring to Fig. 1, Fig. 2, an end of axis 9 connects the large toothed disk 1 of one 36 tooth and the denticle dish 2 of one 32 tooth; The be connected tail end of a shaft clevis 6 of the centre of stirrup 5, be dynamically connected by the tail end of bolt 16 in the middle of the leading portion fork pockets of shaft clevis 6 with movable fork, be dynamically connected by bolt 17 and guide wheel 3 in the middle of the leading portion fork pockets of movable fork 7, one end of spring 8 is connected the back segment of shaft clevis 6, on the leading portion of another section connection activity fork 7; Chain 4 is walked around the flywheel 11 on denticle dish 2 and rear axle 15 stage casings, and meshes with guide wheel 3, is tightened by guide wheel 3.During use, can be on large toothed disk 1 or on the denticle dish 2, to realize two kinds of speed with handgrip chain 4, on denticle dish 2, chain 4 will be loose as chain, because guide wheel 3 moves down under the tension of spring 8, cause chain 4 to be tightened, reason is loosening and take off chain.
Claims (1)
1, a kind of speed change three-wheel vehicle, by little chain wheel, large toothed disk, guide wheel, chain, shaft clevis and spring are formed, it is characterized in that: axis (9) is gone up and is connected greatly, little two chain wheels (1,2), stage casing at stirrup (5) connects a shaft clevis (6), be dynamically connected by the tail end of bolt (16) in the leading portion fork pockets of shaft clevis (6) with movable fork (7), be dynamically connected by bolt (17) and guide wheel (3) in the fork pockets of movable fork (7), one end of spring (8) is connected with the rear portion of shaft clevis (6), the other end is connected with the front portion of movable fork (7), chain (4) and guide wheel (3) engagement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96223779 CN2276452Y (en) | 1996-10-04 | 1996-10-04 | Variable speed tricycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96223779 CN2276452Y (en) | 1996-10-04 | 1996-10-04 | Variable speed tricycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2276452Y true CN2276452Y (en) | 1998-03-18 |
Family
ID=33902909
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 96223779 Expired - Fee Related CN2276452Y (en) | 1996-10-04 | 1996-10-04 | Variable speed tricycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2276452Y (en) |
-
1996
- 1996-10-04 CN CN 96223779 patent/CN2276452Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |