CN206664851U - A kind of bicycle derailleur - Google Patents
A kind of bicycle derailleur Download PDFInfo
- Publication number
- CN206664851U CN206664851U CN201720321593.0U CN201720321593U CN206664851U CN 206664851 U CN206664851 U CN 206664851U CN 201720321593 U CN201720321593 U CN 201720321593U CN 206664851 U CN206664851 U CN 206664851U
- Authority
- CN
- China
- Prior art keywords
- installation
- connecting rod
- hole
- bicycle derailleur
- rotating 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.)
- Active
Links
Abstract
Bicycle derailleur provided by the utility model includes base component, first connecting rod, second connecting rod and the fairleader being hinged, bicycle derailleur also includes fastening stud, be provided with installation through-hole on base component, fasten stud be used for through installation through-hole and with car body screw-threaded coupling.Fasten nut section, cylindrical section and thread segment that stud includes sequentially setting；Annular recess is provided with cylindrical section, annular projection is provided with the inwall of installation through-hole, cylindrical section coordinates with installation through-hole and annular projection coordinates with annular recess.When bicycle derailleur, which is in, splits component states to transport, even if fasten stud to be not attached on car body, after fastening stud is interspersed in the installation through-hole of base component, annular projection on installation through-hole inwall is engaged in the annular recess for fastening stud, fasten during stud transports jointly with base component and do not released because jolting, ensure that bicycle derailleur can not installed because component releases loss.
Description
Technical field
The present invention relates to a kind of derailleur, more particularly to a kind of bicycle derailleur.
Background technology
Bicycle derailleur is arranged at bicycle rear portion, for chain and different sprocket wheels to be stirred and completed to chain
Between clutch work, so as to realize the trailing wheel of bicycle shift gears.Existing bicycle derailleur includes base component, first
Connecting rod, second connecting rod and fairleader, installation through-hole is provided with base component, fasten stud through installation through-hole and with car body spiral shell
Line coordinates, and base component is fixed on car body；First connecting rod and second connecting rod are articulated with base component, first connecting rod and
Second connecting rod is hinged on fairleader, and first connecting rod, second connecting rod and fairleader form rocker mechanism relative to base component
Structure, make gearshift line when one end of gearshift line is fixedly connected on first connecting rod, second connecting rod or fairleader and operates selector
When push or contraction, fairleader can produce directional swing, coordinate the chain on fairleader to realize gearshift therewith moving.
The problem of existing derailleur is present is, when bicycle is transported with the state of schematic diagram illustrating, base component
Disassembled form is between car body, during bicycle assembly transport, intert locking stud on the base member due to
Jolt and slip, the loss for locking stud causes can not installing for rear chiain-moving device.
The content of the invention
The purpose of this utility model is to dial after providing a kind of bicycle for preventing component from releasing loss during transport
Chain device.
Bicycle derailleur provided by the utility model includes base component, first connecting rod, second connecting rod and fairleader,
First connecting rod and base component are articulated with first rotating shaft, and base component and second connecting rod are articulated with the second rotating shaft, first connecting rod with
Fairleader is articulated with the 3rd rotating shaft, and second connecting rod and fairleader are articulated with the 4th rotating shaft, first rotating shaft, the second rotating shaft, the 3rd turn
Axle and the 4th rotating shaft are parallel to each other；Bicycle derailleur also includes fastening stud, and installation through-hole is provided with base component, Gu
Tight stud be used for through installation through-hole and with car body screw-threaded coupling.Fasten stud include sequentially set nut section, cylindrical section and
Thread segment；Annular recess is provided with cylindrical section, annular projection, cylindrical section and installation through-hole are provided with the inwall of installation through-hole
Coordinate and annular projection coordinates with annular recess.
From such scheme, when bicycle derailleur, which is in, splits component states to transport, even if fastening spiral shell
Post is not attached on car body, and after fastening stud is interspersed in the installation through-hole of base component, the ring-type on installation through-hole inwall is convex
Rise and be engaged in the annular recess for fastening stud, fasten during stud transports jointly with base component and do not released because jolting,
Ensure that bicycle derailleur can not installed because component releases loss.
Further scheme is that annular recess is arranged at the junction of cylindrical section and nut section.
Therefore because base component and fastening stud are counterpart, annular recess is arranged at cylindrical section and nut section
Junction, i.e. annular projection is arranged on one section of cylindrical section, therefore either when processing annular recess or annular projection,
Positioning process is all easier to be accurate.
Further scheme can be that annular projection is 0.1 millimeter relative to the height of projection of installation through-hole inwall.
Therefore set rational fit dimension to ensure base component and fasten anticreep between stud, ensure simultaneously
Convenient disassembly between base component and fastening stud.
Further scheme is that nut section is connected in the first end face of installation through-hole, and cylindrical section is close to the end of thread segment
Face is located within the second end face of installation through-hole.
Therefore after this design can ensure that base component is installed to car body, not because of cylinder between base component and car body
Section it is long stretching and can not firm contact coordinate.
Further scheme is that the groove depth of annular recess is more than height of projection；The width of annular recess is more than annular projection
Width.
Therefore set rational fit dimension to ensure base component and fasten anticreep between stud, ensure simultaneously
Convenient disassembly between base component and fastening stud.
Further scheme is that the bearing of trend of installation through-hole favours the axial direction of first rotating shaft.
Therefore the bearing of trend of installation through-hole favours the axial direction of first rotating shaft and can make the motion of fairleader while produce
Movement in raw horizontal and height.
Further scheme is that elastic member is set between fairleader and first connecting rod or second connecting rod.
Therefore after fairleader is linked by gearshift line, elastic component accumulation of energy produces the work opposite with gearshift line active force
Firmly, the whole swing-bar mechanism of rear chiain-moving device is made to be in more stable state.
Further scheme is that bicycle derailleur also includes adjusting rod, and adjusting rod is fixedly connected with first connecting rod, is adjusted
Gearshift line junction is provided with pole, gearshift line junction is located at the both sides of first rotating shaft with first connecting rod respectively.
Therefore gearshift line is connected to gearshift line junction, adjusting rod is formed using first rotating shaft as branch with first connecting rod
The lever system of point, it can realize that the change of activation force is adjusted by changing the distance of gearshift line junction and first rotating shaft.
Further scheme is that avoid holes are provided with base component, and avoid holes are used to pass through for gearshift line.
Therefore gearshift line is installed to gearshift line junction through avoid holes, can make being arranged to fixation for gearshift line
Outside, the bending of line of shifting gears is reduced, and the infringement of line of shifting gears is reduced, while regulation of shifting gears is more smooth.
Brief description of the drawings
Fig. 1 is the structure decomposition figure of the utility model voluntarily rear chiain-moving device embodiment.
Fig. 2 is the structure decomposition figure of the utility model voluntarily rear chiain-moving device embodiment.
Fig. 3 is the structure chart of the utility model voluntarily rear chiain-moving device embodiment.
Fig. 4 is the enlarged drawing at A in Fig. 3.
Below in conjunction with drawings and Examples, the utility model is described in further detail.
Embodiment
Referring to Fig. 1 and Fig. 2, Fig. 1 and Fig. 2 are the structure decomposition figure of the utility model voluntarily rear chiain-moving device embodiment.From
Driving rear chiain-moving device includes base component 1, first connecting rod 2, second connecting rod 3 and fairleader 4, base component 1, first connecting rod 2, the
Two connecting rods 3 and fairleader 4 form a swing-bar mechanism, by the directional swing of the driving fairleader 4 for line of shifting gears, are led so as to realize
Chain device 4 is stirred to the guiding of chain, final to realize gearshift.
The pin joint 21 of first connecting rod 2 is articulated with first rotating shaft, the hinge of base component 1 with the pin joint 11 of base component 1
The pin joint 31 of contact 12 and second connecting rod 3 is articulated with the second rotating shaft, the pin joint 22 of first connecting rod 2 and being hinged for fairleader 4
Point 41 is articulated with the 3rd rotating shaft, and the pin joint 32 of second connecting rod 3 is articulated with the 4th rotating shaft with the pin joint 42 of fairleader 4；Wherein
First rotating shaft, the second rotating shaft, the 3rd rotating shaft and the 4th rotating shaft are parallel to each other, and first rotating shaft has freedom of movement with swing-bar mechanism
Degree.
Directive wheel 43 and tensioning wheel 44 are provided with fairleader 4, directive wheel 43 and tensioning wheel 44 are arranged at two pieces of backplates
Between 45, and the rotary shaft of directive wheel 43 and the rotary shaft of tensioning wheel 44 are parallel to each other；Fairleader 4 is be hinged with base component 1
Elastic member 7 is connected between point 11, elastic component 7 is back-moving spring.Bicycle derailleur also includes adjusting rod 6, regulation
Bar 6 is fixedly connected with first connecting rod 2, and adjusting rod 6 and first connecting rod 2 are located at the both sides of pin joint 21, i.e. first rotating shaft respectively
Both sides.Gearshift line junction 61 is provided with adjusting rod 6, avoid holes are provided with base component 1（Not shown in figure）, gearshift
Line is fixedly mounted on gearshift line junction 61 after passing through avoid holes, due to gearshift line junction 61 and the difference of first connecting rod 2 position
It is fixedly connected in first rotating shaft both sides and adjusting rod 6 with first connecting rod 2, adjusting rod 6 is formed with first rotating shaft with first connecting rod 2
（Pin joint 21）For the lever system of fulcrum.
For base component 1 in addition to the fix bar in as swing rod component, base component 1 is also used as connector, for incite somebody to action oneself
Driving rear chiain-moving device is installed on car body.Bicycle derailleur also includes fastening stud 5, and installation is provided with base component 1
Through hole 10, fasten stud 5 through installation through-hole 10 and with car body screw-threaded coupling.The bearing of trend of installation through-hole 10 favours first
The axial direction of rotating shaft, this makes the motion of fairleader 4 while produces the movement in transverse direction and height.
Referring to Fig. 3 and Fig. 4, Fig. 3 is the structure chart of the utility model voluntarily rear chiain-moving device embodiment, and Fig. 4 is in Fig. 3 at A
Enlarged drawing.With reference to Fig. 1, nut section 51, cylindrical section 52 and thread segment 53 that stud 5 includes sequentially setting are fastened；Nut section 51
Diameter be more than the diameter of cylindrical section 52, the diameter of cylindrical section 52 is more than the diameter of the end of thread 53.Ring is provided with cylindrical section 52
Shape groove 54, annular recess 54 are arranged at the junction of cylindrical section 52 and nut section 51.
The inwall of installation through-hole 10 of base component 1 is provided with annular projection 103, annular projection at first end face 101
103 relative to the inwall of installation through-hole 10 height of projection be 0.1 millimeter, the depth of annular recess 54 is more than 0.1 millimeter and ring-type
The width of groove 54 is more than the width of annular projection 103.
When bicycle is transported, bicycle derailleur is decomposed with car body and transported, and will now be fastened stud 5 and is inserted installation
In through hole 10, cylindrical section 52 coordinates with installation through-hole 10.Because annular projection 103 and annular recess 54 are clasped.Fasten spiral shell
Post 5 does not release because jolting from installation through-hole 10, ensure bicycle derailleur not because component release loss can not
Installation.
Wherein it should be noted that the Design of length tool of cylindrical section 52 there are certain requirements, when nut section 51 is connected to installation
When in the first end face 101 of through hole 10, cylindrical section 52 is located at the second end of installation through-hole 10 close to the end face 521 of the thread segment
Within face 102（Including the situation that end face 521 is concordant with second end face 102）.
Finally it is emphasized that the foregoing is only preferred embodiment of the present utility model, this reality is not limited to
With new, for those skilled in the art, the utility model can have various change and change, all in the utility model
Spirit and principle within, any modification, equivalent substitution and improvements done etc., should be included in protection model of the present utility model
Within enclosing.
Claims (9)
1. a kind of bicycle derailleur, including base component, first connecting rod, second connecting rod and fairleader, the first connecting rod
First rotating shaft is articulated with the base component, the base component and the second connecting rod are articulated with the second rotating shaft, and described the
One connecting rod is articulated with the 3rd rotating shaft with the fairleader, and the second connecting rod is articulated with the 4th rotating shaft with the fairleader, described
First rotating shaft, second rotating shaft, the 3rd rotating shaft and the 4th rotating shaft are parallel to each other；
The bicycle derailleur also includes fastening stud, and installation through-hole, the fastening spiral shell are provided with the base component
Post be used for through the installation through-hole and with car body screw-threaded coupling；
It is characterized in that：
Nut section, cylindrical section and the thread segment for fastening stud and including sequentially setting；
Annular recess is provided with the cylindrical section, annular projection, the cylindrical section are provided with the inwall of the installation through-hole
Coordinate with the installation through-hole and the annular projection coordinates with the annular recess.
2. bicycle derailleur according to claim 1, it is characterised in that：
The annular recess is arranged at the junction of the cylindrical section and the nut section.
3. bicycle derailleur according to claim 2, it is characterised in that：
The annular projection is 0.1 millimeter relative to the height of projection of the installation through-hole inwall.
4. bicycle derailleur according to claim 3, it is characterised in that：
The nut section is connected in the first end face of the installation through-hole, and the cylindrical section is close to the end face position of the thread segment
Within the second end face of the installation through-hole.
5. bicycle derailleur according to claim 4, it is characterised in that：
The groove depth of the annular recess is more than the height of projection；The width of the annular recess is more than the width of the annular projection
Degree.
6. bicycle derailleur according to claim 5, it is characterised in that：
The bearing of trend of the installation through-hole favours the axial direction of the first rotating shaft.
7. bicycle derailleur according to claim 6, it is characterised in that：
Elastic member is set between the fairleader and the first connecting rod, the second connecting rod or the base component.
8. bicycle derailleur according to claim 7, it is characterised in that：
The bicycle derailleur also includes adjusting rod, and the adjusting rod is fixedly connected with the first connecting rod, the regulation
Gearshift line junction is provided with bar, the gearshift line junction is located at the two of the first rotating shaft respectively with the first connecting rod
Side.
9. according to the bicycle derailleur described in any one of claim 1 to 8, it is characterised in that：
Avoid holes are provided with the base component, the avoid holes are used to pass through for gearshift line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720321593.0U CN206664851U (en) | 2017-03-29 | 2017-03-29 | A kind of bicycle derailleur |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720321593.0U CN206664851U (en) | 2017-03-29 | 2017-03-29 | A kind of bicycle derailleur |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206664851U true CN206664851U (en) | 2017-11-24 |
Family
ID=60374738
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720321593.0U Active CN206664851U (en) | 2017-03-29 | 2017-03-29 | A kind of bicycle derailleur |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206664851U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109436179A (en) * | 2018-12-05 | 2019-03-08 | 珠海迪瑞乐科技有限公司 | Bicycle dials chain structure and bicycle |
| WO2023102715A1 (en) * | 2021-12-07 | 2023-06-15 | 珠海蓝图运动科技股份有限公司 | Rear derailleur provided with damping mechanism, and bicycle |
-
2017
- 2017-03-29 CN CN201720321593.0U patent/CN206664851U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109436179A (en) * | 2018-12-05 | 2019-03-08 | 珠海迪瑞乐科技有限公司 | Bicycle dials chain structure and bicycle |
| WO2023102715A1 (en) * | 2021-12-07 | 2023-06-15 | 珠海蓝图运动科技股份有限公司 | Rear derailleur provided with damping mechanism, and bicycle |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206664851U (en) | A kind of bicycle derailleur | |
| JPH0535920Y2 (en) | ||
| TWI665126B (en) | Bicycle crank arm and chainring carrier assembly | |
| JP5346601B2 (en) | Chain adjustment device for motorcycles | |
| CN110027666A (en) | Multichain wheel apparatus for bicycle gearshift | |
| US8584541B2 (en) | Anti-backlash/anti-rattle lever | |
| WO2008048305A3 (en) | Nanotube assembly | |
| US8517151B2 (en) | Exoskeleton bridge of dual-pivot brake allowing braking forces to transmit through center plane of dual-pivot brake | |
| CN204457055U (en) | The latch lock locking assembly of expansion link | |
| CN100584189C (en) | Row spacing regulating mechanism of seedlings transplanter | |
| CN202186290U (en) | Manipulator | |
| US10000228B2 (en) | Steering apparatus | |
| JP2008303960A5 (en) | ||
| CN106346426A (en) | Tool connecting rod | |
| CN205468556U (en) | Separation and reunion footboard and separation and reunion master cylinder assembly | |
| CN204985403U (en) | Car separation and reunion system and clutch release mechanism thereof | |
| CN107933809B (en) | Treading piece with self-locking device | |
| WO2007065406A8 (en) | Link plate element for a chain | |
| CN204587069U (en) | A kind of take-up pulley connection structure of open cast mine large excavator | |
| CN215521938U (en) | Gear selecting and shifting mechanism for automobile | |
| CN205064503U (en) | Wide locating pin subassembly of exhibition | |
| CN107054551B (en) | Bicycle front derailleur | |
| CN212084016U (en) | Improved operating lever | |
| CN203958118U (en) | A kind of automobile hand brake | |
| CN203770847U (en) | Supporting and positioning pipe clamp |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 519000 building B-2, No. 8, Honghui fifth road, Shuanglin District, LIANGANG Industrial Zone, Jinwan District, Zhuhai City, Guangdong Province Patentee after: Zhuhai Blueprint Sports Technology Co.,Ltd. Address before: 519090 room 312-43, third floor, aviation new town planning exhibition hall, Jinwan District, Zhuhai City, Guangdong Province Patentee before: ZHUHAI LTWOO CONTROLLER TECHNOLOGY CO.,LTD. |