CN204077244U - External hanging type disjunctor flywheel mechanism - Google Patents
External hanging type disjunctor flywheel mechanism Download PDFInfo
- Publication number
- CN204077244U CN204077244U CN201420527183.8U CN201420527183U CN204077244U CN 204077244 U CN204077244 U CN 204077244U CN 201420527183 U CN201420527183 U CN 201420527183U CN 204077244 U CN204077244 U CN 204077244U
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- CN
- China
- Prior art keywords
- flywheel
- column foot
- disjunctor
- plug
- gear
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- Expired - Fee Related
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Abstract
The utility model discloses a kind of external hanging type disjunctor flywheel mechanism, comprise the disjunctor flywheel of column foot and column foot suit, column foot extends screens, and is provided with in this screens the plug-in flywheel that the number of teeth is less than disjunctor flywheel.Plug-in gear does not need just can be hung over outside column foot by traditional claw hook, adds gear number, connects closely between gear, simplify traditional parts, can material be saved, save man-hour, swing interference when decreasing assembly error and reduce transmission, speed change is more accurate.
Description
Technical field
The utility model belongs to mechanical speed change transmission device, is applied to the plug-in gear shift connector flywheel mechanism of steamboat folded bicycle specifically.
Background technology
Along with the prosperity of country, the living standard of the people is improved day by day, by bike no longer in order to simple trip, becomes the trend of popular a kind of green low-carbon fashion especially.Folding bicycle has welcome great development, folding bicycle has volume little, tailstock railway carriage or compartment can be put, the advantage such as subway, bus of plugging into is liked by masses deeply, the minimum gear teeth of current circulation is 11 teeth, this for 14 cun of small wheels folded bicycle speed only have 10-15KM to be very undesirable, only have the flywheel of the less number of teeth, the speed of BMX (Bicycle Motocross) could be promoted.
The speed changing structure of existing folding bicycle with small wheels adopts traditional variable speed hub, the gear of the different number of teeth is gone out by different mould punchings, multiple gear connects to one by column foot slices, bayonet slot is provided with separately between column foot and gear, make the power of gear be transferred to column foot, column foot is again by very heavy drive flower-drum and Wheel rim radial bar, and cassette flywheel and column foot match, be the standard configuration of current sports bicycle, be widely used in professional motion bicycle.Bicycle have a century, flywheel and the traditional high tolerance connecting mode of column foot too outmoded, the external diameter of column foot is 35mm, the external diameter of 11 gears is 44mm, internal diameter 35mm, the flywheel of 11 gears is almost fitted with column foot, some even overlaps with column foot, so flywheel little more also cannot be arranged on existing column foot, that is 11 gears are limit of minimum number of teeth.
Owing to being that plug-in gear just can need be hung over outside column foot by traditional claw hook, these claw hook gaps of tradition can make matrix produce wearing and tearing, and reduce the precision of movement, the flywheel sheet that column foot assembles is more, and this problem is more obvious.
Utility model content
In order to solve prior art Problems existing, the utility model provides the external hanging type disjunctor flywheel mechanism of simple, the easy assembling of a kind of structure, few, the comparable original increase gear number of the number of teeth, stable transmission.
In order to realize above object, the technical scheme that the utility model is taked is: a kind of external hanging type disjunctor flywheel mechanism, comprise the disjunctor flywheel of column foot and column foot suit, described column foot extends screens, and is provided with in this screens the plug-in flywheel that the number of teeth is less than disjunctor flywheel.
Further, the outside face of described screens arranges male splines, and the inner ring of described plug-in flywheel arranges female splines, plug-in flywheel by spline package in screens.
Described column foot is equipped with the locking sleeve for locking plug-in flywheel.
Described plug-in flywheel has at least 2 plate gears.
Compared with prior art, the utility model installs the plug-in flywheel of the little number of teeth due to the screens arranged by column foot, plug-in gear is made not need just can be hung over outside column foot by traditional claw hook, add gear number, connect closely between gear, simplify traditional parts, material can be saved, save man-hour, swing interference when decreasing assembly error and reduce transmission, speed change is more accurate.
The utility model mentality of designing does minimum conflict for existing flower-drum technology, do not need to change the design of flower-drum housing, position of bearings, axostylus axostyle, very heavy etc. and body frame structure for automotive, plug-in disjunctor flywheel adopts CNC NC technology technology to shape, disjunctor flywheel can continue to downward-extension multi-stage gear, the flywheel solving 11 teeth almost and column foot fit and can not have the problem linked between the less number of teeth, gear again, the flywheel of the less number of teeth can be made.
Advantage of the present utility model also has:
1, after gear relies on CNC technology to reach disjunctor, hang over outside plug-in flywheel outside column foot, without the size of the diameter restriction flywheel sheet internal diameter of column foot, the variable gear that volume is less can be made, as worked it out 7 teeth, 8 teeth, 9 teeth, 10 teeth.Little tooth shelves may be used for contest, hoisting speed greatly, compensate the defect that wheel is little, run much faster.
2, plug-in disjunctor flywheel, breaching minimum tooth is 11 teeth, and folded bicycle is no longer that portable walking-replacing tool difficulty pursues performance-oriented situation.Had the plug-in flywheel being less than 11 teeth, characteristic light and handy for BMX (Bicycle Motocross) and the advantage promoting high speed being brought into play, is the lifting of matter.
3, plug-in disjunctor flywheel, can load multistage flying wheel, can increase speed change gear.
4, plug-in gear eliminates parts, saves material, reduces technique, and mounting or dismounting easily.
5, compatible fabulous, mentality of designing does minimum conflict to existing flower-drum technology, do not need the design changing flower-drum housing, position of bearings, axostylus axostyle, design that is very heavy etc., body frame structure for automotive are all constant, and changing a slice flywheel just can increase speed change gear and add canine tooth ratio.
Accompanying drawing explanation
Fig. 1 is the detonation configuration schematic diagram of the utility model external hanging type disjunctor flywheel mechanism.
Fig. 2 is the assembly drowing of the utility model external hanging type disjunctor flywheel mechanism.
In figure: 1-screens; 2-overlaps position; The plug-in flywheel of 3-; 4-locking sleeve; 5-dismounting mouth; 6-outside thread; 7-bore conversion ring; 8-negative thread; 9-disjunctor flywheel; 10-axis; 11-column foot; 12-flower-drum; 13-bearing
Detailed description of the invention
As shown in Figure 1, external hanging type disjunctor flywheel mechanism is made up of flower-drum 12, column foot 11, disjunctor flywheel 9, axis 10, plug-in flywheel 3 and locking sleeve 4.
As shown in Figure 2, flower-drum 12 and column foot 11 are set in axis 10.Disjunctor flywheel 9 has multi-disc flywheel, the descending arrangement of the number of teeth.Column foot 11 reserves screens 1 after being set with flywheel 9, and the outside face of this screens 1 arranges male splines, and its inner ring arranges negative thread 8.Plug-in flywheel 3 has 3 or multi-disc, and the number of teeth is 8 to 11 teeth, its inner ring be provided with cover position 2, this cover position 2 is female splines, plug-in flywheel 3 by spline package in column foot 11.Plug-in flywheel 3 combines with the number of teeth of disjunctor flywheel 9, forms Multi-stage speed-changing flywheel.One end of locking sleeve 4 arranges outside thread 6, locking sleeve 4 by thread set in column foot 11.The other end of locking sleeve 4 arranges the dismounting opening 5 of gear-like, plug-in flywheel 3 can be locked with a spline dismantling devices.Axis 10 and bearing 13 pass from locking sleeve 4.
Because plug-in flywheel 3 also exists loop diameter specification difference, therefore bore conversion ring 7 is equipped with on demand, first bore is changed after ring 7 is set in column foot 11, then locking sleeve 4 is installed on bore conversion ring 7, achieve the assembling of column foot and the plug-in flywheel of different inner ring diameter.
The medial surface (with the mating surfaces of plug-in flywheel 3) of the folding dress opening 5 of locking sleeve 4 is provided with locking line.
Claims (4)
1. an external hanging type disjunctor flywheel mechanism, comprises the disjunctor flywheel of column foot and column foot suit, it is characterized in that: described column foot extends screens, and be provided with in this screens the plug-in flywheel that the number of teeth is less than disjunctor flywheel.
2. external hanging type disjunctor flywheel mechanism according to claim 1, it is characterized in that, the outside face of described screens arranges male splines, and the inner ring of described plug-in flywheel arranges female splines, plug-in flywheel by spline package in screens.
3. external hanging type disjunctor flywheel mechanism according to claim 1, is characterized in that, described column foot is equipped with the locking sleeve for locking plug-in flywheel.
4. external hanging type disjunctor flywheel mechanism according to claim 1, is characterized in that, described plug-in flywheel has at least 2 plate gears.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420527183.8U CN204077244U (en) | 2014-09-12 | 2014-09-12 | External hanging type disjunctor flywheel mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420527183.8U CN204077244U (en) | 2014-09-12 | 2014-09-12 | External hanging type disjunctor flywheel mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204077244U true CN204077244U (en) | 2015-01-07 |
Family
ID=52169999
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420527183.8U Expired - Fee Related CN204077244U (en) | 2014-09-12 | 2014-09-12 | External hanging type disjunctor flywheel mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204077244U (en) |
-
2014
- 2014-09-12 CN CN201420527183.8U patent/CN204077244U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150107 Termination date: 20170912 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |