CN202807014U - Six-speed location flywheel - Google Patents
Six-speed location flywheel Download PDFInfo
- Publication number
- CN202807014U CN202807014U CN 201220414300 CN201220414300U CN202807014U CN 202807014 U CN202807014 U CN 202807014U CN 201220414300 CN201220414300 CN 201220414300 CN 201220414300 U CN201220414300 U CN 201220414300U CN 202807014 U CN202807014 U CN 202807014U
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- CN
- China
- Prior art keywords
- gear
- gears
- teeth
- outer sleeve
- overcoat
- 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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Abstract
The utility model provides a six-speed location flywheel which comprises a first gear, a second gear, a third gear, a fourth gear, a fifth gear, a sixth gear and an outer sleeve, wherein the six gears are arranged side by side, the number of teeth of the six gears is successively increased, the six gears are respectively provided with a hole, and the gears are sleeved on the outer sleeve through the holes. The first gear is connected with the outer sleeve through threads, and concave-convex structures are arranged on the surface of the outer sleeve and in the holes of the gears. The six gears of the six-speed location flywheel are sleeved on the outer sleeve, and the first gear placed at the outermost end of the outer sleeve is in thread connection with the outer sleeve to enable the gears to be fixed well. Compared with nut parallel connection in the prior art, strength of the thread connection of the first gear is high, complex parts of nut parallel connection are not used, and therefore the six-speed location flywheel is lighter than a like product in the market. In addition, the six-speed location flywheel has the advantages of being simple in structure, free of maintenance, and convenient to operate.
Description
Technical field
The utility model belongs to technical field of bicycles, particularly relates to a kind of bicycle use six speed location flywheels.
Background technology
Along with popularizing of bicycle, people require more and more higher to the traveling comfort of bicycle, progressively pursue the function of speed change, and the person that satisfies the different operating is to the demand in the different speed changes in different road surfaces.
Because of the otherness of individual difference XOR zone crowd's health body weight feature, for example the common male individual of the otherness of areal masculinity and femininity individuality is taller and bigger than the women, is more comfortable riding, and the gear of required speed change is also different.Existing location flywheel all is fixed on the wheel by a plurality of gears, realizes speed change by the switching of chain on gear.This gear generally be by and emit and be locked on the wheel because and emit the fastness of locking relatively poor, cause the loosening situation of gear.In addition, existing gear all is integral structure, and the weight of gear is heavier, thereby has increased manufacturing cost.
Summary of the invention
The technical matters that (one) will solve
The technical problems to be solved in the utility model is: the wheel gear locking fastness of existing location flywheel is poor, and gear weight is heavier, complex structure.
(2) technical scheme
In order to solve the problems of the technologies described above, the utility model provides a kind of six speed location flywheels.
Wherein, described location flywheel comprises the first gear, the second gear, the 3rd gear, the 4th gear, the 5th gear, the 6th gear and overcoat, six gears are arranged side by side, the quantity of its tooth increases successively, have hole on six gears, described gear is set with on the coat by described hole, and described the first gear is threaded connection on the coat, is respectively equipped with concaveconvex structure in the surface of described overcoat and the hole of gear.
Preferably, pass through the rivet captive joint between described the 4th gear, the 5th gear and the 6th gear.
Preferably, be respectively equipped with groove on described the 4th gear, the 5th gear and the 6th gear, in groove, be provided with rivet hole.
Preferably, be respectively equipped with cushion rubber between described the first gear and the second gear and between the second gear and the 3rd gear.
Preferably, described concaveconvex structure is waveform.
Preferably, the number of teeth of described six gears is respectively 14 teeth, 16 teeth, 18 teeth, 20 teeth, 24 teeth, 28 teeth.
(3) beneficial effect
Technique scheme has following advantage: six gear sets of the present utility model on the coat, the first gear that is positioned at the overcoat outermost end is threaded connection on the coat, so that the fastness that gear is fixed is better, with respect to prior art and emit connect for, it is higher that being threaded of the first gear of the present utility model has intensity, owing to do not use and emit the complex component of connection, also so that this device is lighter than market like product weight, also have simple in structure, need not safeguard easy to operate characteristics.
Description of drawings
Fig. 1 is the structural representation of a kind of embodiment of the utility model;
Fig. 2 is the exploded drawings of a kind of embodiment of the utility model.
Wherein, 1: the silk gear; 2: the first gears; 3: the second gears; 4: the three gears; 5: the four gears; 6: the five gears; 7: the six gears; 8: inner core; 9: steel ball; 10: very heavy; 11: rivet; 12: cushion rubber; 13: overcoat; 14: jump ring; 15: pad.
The specific embodiment
Below in conjunction with drawings and Examples, the specific embodiment of the present utility model is described in further detail.Following examples are used for explanation the utility model, but are not used for limiting scope of the present utility model.
As illustrated in fig. 1 and 2, structural representation for a kind of embodiment of the present utility model, this speed-changing operating device for bicycle comprises six gears and overcoat 13, the first gear 2, the second gear 3, the 3rd gear 4, the 4th gear 5, the 5th gear 6, the 6th gear 7 is arranged side by side, the quantity of its tooth increases successively, described overcoat 13 is connected with inner core 8 by screw mandrel 1, have hole on six gears, six gears are sleeved on the overcoat 13 by the hole on it respectively, wherein have screw thread in the hole of the first gear 2 of the minimum number of tooth, the first gear 2 is threaded on the overcoat 13 by described.Be respectively equipped with concaveconvex structure in the surface of described overcoat 13 and the hole of gear.Six gear sets of the present utility model on the coat, the first gear that is positioned at the overcoat outermost end is threaded connection on the coat, so that the fastness that gear is fixed is better, with respect to prior art and emit connect for, being threaded of the first gear of the present utility model has better intensity, owing to do not use and emit the complex component of connection, also so that this device is lighter than market like product weight, also have simple in structurely, need not safeguard easy to operate characteristics.
Be threaded between the first gear 2 of the present utility model and the overcoat 13, the middle part of the first gear 2 of this embodiment has hole, be with a tooth line in the endoporus of the first gear 2, preferably on overcoat 13, also be provided with screw thread, fix and be locked on the overcoat 13 by this tooth line.Gear of the present utility model middle part has hole, is provided with concaveconvex structure in the hole, also is provided with concaveconvex structure at the outer wall of overcoat 13, thereby so that between gear and the overcoat in conjunction with tightr, prevent from coming off.Captive joint between the 6th gear 7 of number of teeth maximum of the present utility model and the 5th adjacent gear 6 and the 4th gear 5 adjacent with the 5th gear, thereby so that three more gears of the number of teeth connect as one.Preferably, connect by rivet 11 between described the 4th gear 5, the 5th gear 6 and the 6th gear 7.More preferably, be respectively equipped with groove on the 4th gear 5, the 5th gear 6 and the 6th gear 7, in groove, be provided with rivet hole, by rivet hole the 4th gear 5, the 5th gear 6 and the 6th gear 7 are linked together.The utility model is to be the position of keeping away after the closing-up in the main purpose that gear arranges groove, and rivet is arranged in the groove just can not protrude gear surface, so that distance is nearer between the gear, connects tightr.
The utility model in the hole of gear and the surface of overcoat all be provided with concaveconvex structure, by the interlock of two concaveconvex structures, so that gear is connected connection with overcoat more firm, concaveconvex structure is preferably waveform, namely is provided with in its surface a plurality of projections.Be provided with buffer unit between the first gear 2 of this embodiment and the second adjacent gear 3, also be provided with buffer unit between described the second gear 3 and adjacent the 3rd gear 4, by between three less gears of the number of teeth, buffer unit being set, reduce the bump between three gears, had the effect of damping.More preferably, be cushion rubber 12 between buffering, illustrated among Fig. 1 between three gears of overcoat outermost end and be provided with cushion rubber 12.In order to reduce the weight of gear, preferably, described gear is provided with engraved structure, namely is provided with a plurality of through holes or blind hole at gear.More preferably, be provided with engraved structure at the 4th more gear 5 of the number of teeth, the 5th gear 6 and the 6th gear 7, so that overall weight alleviates.
Core 8 and overcoat 13 in silk gear 1 of the present utility model is used for fixing, car has the tooth line in the endoporus of silk gear 1, and this screw thread is left-handed ground, to be connected with inner core 8.Core 8 is used for being fixed on bicycle in this, at the inner core 8 tooth line of having got on the bus, by screw-threaded coupling be fixed on the bicycle rear.Endoporus of core 8 also is provided with 12 burrs of well-distributed in this, is convenient to dismounting.Also be provided with very heavyly 10 in this embodiment on the core 8, be provided with tooth bar in the endoporus of described overcoat 13, the very heavy engagement on described overcoat and the inner core.This very heavy 10 is fixed on the inner core 8 by jump ring 14, and very heavy 10 rotate by propping up with the engagement of overcoat internal tooth of jump ring 14.This embodiment also is provided with very heavy groove on inner core 8 and jump-ring slot is used for installing very heavy and jump ring.This embodiment between also is provided with steel ball 9 and pad 15, steel ball is set is the rotation for core in realizing 8 and overcoat 13, and the regulation and control that pad 15 is mainly used in inner core and overcoat antifriction-bearing box gap are set.For the ease of dismounting and assembling silk gear 1, be processed with two recessed tips of circle at the outer face of silk gear 1, back side car has a R angle to cooperate with steel ball.
As can be seen from the above embodiments, six gear sets of the present utility model on the coat, the first gear that is positioned at the overcoat outermost end is threaded connection on the coat, so that the fastness that gear is fixed is better, with respect to prior art and emit connect for, being threaded of the first gear of the present utility model has better intensity, owing to do not use and emit the complex component of connection, also so that this device is lighter than market like product weight, also have simple in structure, need not safeguard easy to operate characteristics.
The above only is preferred implementation of the present utility model; should be understood that; for those skilled in the art; under the prerequisite that does not break away from the utility model know-why; can also make some improvement and replacement, these improvement and replacement also should be considered as protection domain of the present utility model.
Claims (6)
1. a speed is located flywheel, it is characterized in that, described location flywheel comprises the first gear, the second gear, the 3rd gear, the 4th gear, the 5th gear, the 6th gear and overcoat, six gears are arranged side by side, the quantity of its tooth increases successively, has hole on six gears, and described gear by described hole suit on the coat, described the first gear is threaded connection on the coat, is respectively equipped with concaveconvex structure in the surface of described overcoat and the hole of gear.
2. six speed location flywheels as claimed in claim 1 is characterized in that, pass through the rivet captive joint between described the 4th gear, the 5th gear and the 6th gear.
3. six speed location flywheels as claimed in claim 2 is characterized in that, are respectively equipped with groove on described the 4th gear, the 5th gear and the 6th gear, are provided with rivet hole in groove.
4. speed-changing operating device for bicycle as claimed in claim 1 is characterized in that, is respectively equipped with cushion rubber between described the first gear and the second gear and between the second gear and the 3rd gear.
5. six speed location flywheels as claimed in claim 1 is characterized in that described concaveconvex structure is waveform.
6. such as any one described six speed location flywheel among the claim 1-5, it is characterized in that the number of teeth of described six gears is respectively 14 teeth, 16 teeth, 18 teeth, 20 teeth, 24 teeth, 28 teeth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220414300 CN202807014U (en) | 2012-08-21 | 2012-08-21 | Six-speed location flywheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220414300 CN202807014U (en) | 2012-08-21 | 2012-08-21 | Six-speed location flywheel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202807014U true CN202807014U (en) | 2013-03-20 |
Family
ID=47865941
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220414300 Expired - Fee Related CN202807014U (en) | 2012-08-21 | 2012-08-21 | Six-speed location flywheel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202807014U (en) |
-
2012
- 2012-08-21 CN CN 201220414300 patent/CN202807014U/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 | ||
| ASS | Succession or assignment of patent right |
Owner name: NINGBO HANGZHOU BAY NEW AREA DINGJIE VEHICLE CO., Free format text: FORMER OWNER: NINGBO LIMENG INDUSTRY CO., LTD. Effective date: 20150907 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20150907 Address after: 315336, No. six, 299 Chee Chee Road, Hangzhou Bay New District, Zhejiang, Ningbo Patentee after: NINGBO HANGZHOU BAY NEW AREA DINGJIE VEHICLES CO., LTD. Address before: 315300 north side of hardware Road, Hangzhou Bay New District, Cixi Economic Development Zone, Zhejiang Patentee before: Ningbo Limeng Industry Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130320 Termination date: 20180821 |