CN2329590Y - Device for backing three-wheel motorcycle - Google Patents
Device for backing three-wheel motorcycle Download PDFInfo
- Publication number
- CN2329590Y CN2329590Y CN98210378U CN98210378U CN2329590Y CN 2329590 Y CN2329590 Y CN 2329590Y CN 98210378 U CN98210378 U CN 98210378U CN 98210378 U CN98210378 U CN 98210378U CN 2329590 Y CN2329590 Y CN 2329590Y
- Authority
- CN
- China
- Prior art keywords
- gear
- transmission shaft
- chain
- sprocket wheel
- shaft
- 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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- Automatic Cycles, And Cycles In General (AREA)
- Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
Abstract
The utility model belongs to the drive technology of a motorcycle, which is provided with three drive shafts, wherein the first drive shaft is provided with a chain wheel and a gear, the second drive shaft is provided with a duplicate gear, and the third drive shaft is provided with chain wheel and a gear which can move left and right corresponding to the third drive shaft to be engaged with the gear on the first drive shaft and the gear at one side of the duplicate gear. The chain wheels on the first drive shaft and the third drive shaft can be respectively engaged with an output chain of an engine and a chain driving a rear axle. The utility model can be conveniently installed on and combined with a motor tricycle and has the characteristics of simple structure, firmness and high durability.
Description
The utility model belongs to the motor bike drive technology, mainly proposes a kind of motor-tricycle reversing gear.
Along with the fast development of market economy, the sales volume of motor-tricycle increases year by year, becomes the both urban and rural residents's short distance traffic, loading tools.Originally the motor-tricycle of design use does not all have motor-driven car-backing function, therefore in use can only before so that can not move backward, only get off pusher or post-tensioning of chaufeur finished reversing, brings many inconvenience to the user, and especially disabled person's three-wheel vehicle uses to the disabled person and brings bigger difficulty.
The purpose of this utility model promptly is to propose a kind of motor-tricycle reversing gear, it can be combined with existing motor-tricycle transmission device easily, and have simple in structure, service-strong characteristics.
The utility model is finished the technical scheme that its invention task taked: this device has three transmission shafts, first axle is provided with sprocket wheel and gear, an axle is provided with dual gear, and the gear on a side gear of dual gear and first transmission shaft is the constant-mesh state; The 3rd transmission shaft is provided with sprocket wheel and gear that can relative axle sway, this gear when sway respectively with first transmission shaft on gear, second transmission shaft on the side gear engagement of dual gear, sprocket wheel on the chain engages of the sprocket wheel on first transmission shaft and driving engine output chain or driving rear axle, the 3rd transmission shaft is exported chain engages with the chain or the driving engine of driving rear axle.
The 3rd axle can be castellated shaft, and the transmission gear on it can be inside spline wheel gear.
Setting makes the shift fork of the 3rd gear sway on the axle, thereby and the detent mechanism that makes declutch shift shaft location make the output shaft gear location is arranged, detent mechanism is made of the R nest groove on spring, steel ball and the declutch shift shaft.
When installing, the utility model exports chain engages with the sprocket wheel on first transmission shaft or with sprocket wheel on the 3rd transmission shaft and motor cycle engine, with the sprocket wheel on the 3rd axle or with the engagement of the loop chain of sprocket wheel on first transmission shaft and driving rear axle, the one-level transmission that is about to original driving engine output chain direct drive back axle changes engine chain → reverse gear into
The secondary drive mechanism of back axle, this two slow drive mechanism can overcome again original three-wheel vehicle use long in the one-level chain gear because of chain, evil is gone through in shake, voice is easy to defectives such as damage greatly, this reverse gear can combine and have simple in structure, robust characteristics easily with original motor-tricycle.
Embodiment:
Accompanying drawing 1 is the utility model structural representation.
Accompanying drawing 2 is the relative arrangement position scheme drawing of transmission shaft.
Accompanying drawing 3 is the another kind of structural representation of the utility model.
In conjunction with the accompanying drawings the utility model structure is further specified:
Shown in accompanying drawing 1,2: be provided with three transmission shafts, sprocket wheel 2 and 1 engagement of driving engine output chain that first axle 6 is provided with on it as primitive axis, on second axle 4 dual gear 3 is set, gear 5 on the left side gear of dual gear 3 and the transmission shaft 6 is the constant-mesh state, the 3rd axle 8 is as output shaft, it can be castellated shaft, this axle be provided with can be relatively axle sway but gear 7 in relative rotation, gear 7 is an inside spline wheel gear; When it is positioned at the left side of axle with transmission shaft 6 on gear 5 engagement, the right side gear of dual gear 3 meshes when moving to the right side and on the transmission shaft 4.The sprocket wheel 9 that is provided with on the 3rd axle 8 and 10 engagements of the chain of driving rear axle are promptly by the action of chain 10 driving rear axle.Be provided with the shift fork that makes inside spline wheel gear 7 sway, thereby and be provided with the detent mechanism that makes inside spline wheel gear 7 fixed positions, declutch shift shaft 11 location; It is made of the R nest groove on spring, lock ball 12 and the declutch shift shaft 11.
The utility model working process: during normal condition (when moving ahead), driving engine output chain 1 drives sprocket wheel 2 and rotates with the coaxial gear 5 of sprocket wheel 2, gear 5 drives dual gear 3 left side gear that are engaged with on another transmission shaft 4 and rotates, this moment, inside spline wheel gear 7 was arranged in position shown in Fig. 1 dotted line under the shift fork effect, be meshed with the right side gear of dual gear 2 on the transmission shaft 4, interior thus pattern chain gear 7 rotates in the same way with sprocket wheel 2 and makes coaxial with it sprocket wheel 9 by chain 10 driving rear axle forward rotation.When the needs backward, shift fork inside spline wheel gear 7 is moved to left by (disengaging dual gear) and with transmission shaft 6 on gear 5 engagement, obtain and sprocket wheel 2 reciprocal rotations, and drive coaxial with it sprocket wheel 9 by chain 10 driving rear axle backward rotation.
Embodiment 2: as shown in Figure 3: its integral structure is identical with embodiment 1, only be as primitive axis with the 3rd transmission shaft 8, with sprocket wheel on it 9 and 1 engagement of driving engine output chain, first transmission shaft 6 as output shaft, meshed the chain 10 of the sprocket wheel on it 2 with driving rear axle.
Claims (3)
1, a kind of motor-tricycle reversing gear is characterized in that: have three transmission shafts (6), (4), (8); First transmission shaft (6) is provided with sprocket wheel (2) and gear (5), and a transmission shaft (4) is provided with dual gear (3), and the gear (5) on a side gear of dual gear (3) and first transmission shaft (6) is the constant-mesh state; The 3rd transmission shaft (8) be provided with sprocket wheel with can be relative the gear (7) of axle sway, during gear (7) sway respectively with transmission shaft (6) on gear (5), the side gear engagement that transmission shaft (4) is gone up dual gear (3); Sprocket wheel (2) on the transmission shaft (6) meshes with the chain (10) of driving engine output chain (1) or driving rear axle, the sprocket wheel (9) on the transmission shaft (8) and the chain (10) of driving rear axle or driving engine output chain (1) engagement.
2, according to the described motor-tricycle reversing gear of claim 1, it is characterized in that output shaft (8) is a castellated shaft, the gear on it (7) is an inside spline wheel gear.
3,, it is characterized in that to be provided with the shift fork of gear (7) sway that makes on the transmission shaft (8), and the detent mechanism by the R nest groove on the declutch shift shaft (11) and spring and lock ball (12) formation is set according to the described motor-tricycle reversing gear of claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN98210378U CN2329590Y (en) | 1998-01-25 | 1998-01-25 | Device for backing three-wheel motorcycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN98210378U CN2329590Y (en) | 1998-01-25 | 1998-01-25 | Device for backing three-wheel motorcycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2329590Y true CN2329590Y (en) | 1999-07-21 |
Family
ID=33965433
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN98210378U Expired - Fee Related CN2329590Y (en) | 1998-01-25 | 1998-01-25 | Device for backing three-wheel motorcycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2329590Y (en) |
-
1998
- 1998-01-25 CN CN98210378U patent/CN2329590Y/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 |