CN203740093U - Rear sprocket disc set of bicycle - Google Patents
Rear sprocket disc set of bicycle Download PDFInfo
- Publication number
- CN203740093U CN203740093U CN201420014762.2U CN201420014762U CN203740093U CN 203740093 U CN203740093 U CN 203740093U CN 201420014762 U CN201420014762 U CN 201420014762U CN 203740093 U CN203740093 U CN 203740093U
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- Prior art keywords
- fluted disc
- chain fluted
- bicycle
- card
- main chain
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- Expired - Lifetime
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- 238000013459 approach Methods 0.000 claims description 4
- 230000000712 assembly Effects 0.000 abstract description 2
- 238000000429 assembly Methods 0.000 abstract description 2
- 238000003754 machining Methods 0.000 abstract 1
- 239000002699 waste material Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 230000003042 antagnostic effect Effects 0.000 description 1
- 230000008485 antagonism Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000011796 hollow space material Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
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Abstract
The utility model discloses a rear sprocket disc set of a bicycle. The rear sprocket disc set of the bicycle comprises a fluted disc base, a plurality of main sprocket discs and a plurality of supporting assemblies. The fluted disc base is provided with a first disc surface and a second disc surface which are on the opposite sides. A shaft pipe extends out of the first disc surface and is provided with a shaft hole through which a ratchet wheel base of the bicycle penetrates. A plurality of convex ribs are arranged on the periphery of the shaft pipe in the radial direction and are connected with the first disc surface. The convex ribs are sequentially provided with a plurality of sleeve-combination portions which are arranged in a stepped mode. The multiple main sprocket discs are arranged on the sleeve-combination portions and are provided with embedding-connecting holes matched with the convex ribs respectively. Each supporting assembly is embedded between every two adjacent main sprocket discs so as to be fixedly connected with the two main sprocket discs. Thus, old main sprocket discs can be replaced with new main sprocket discs without professional personnel, and the rear sprocket disc set is convenient to assemble and disassemble, and can be clamped and fastened by clamps so that surface machining can be convenient.
Description
Technical field
The utility model relates to chain fluted disc group after a bicycle, particularly a kind ofly facilitates assembling and dismantling to change chain fluted disc group structure after the bicycle of spare part.
Background technology
Bicycle is divided into two kinds now, a kind of for single speed car another kind is variable-ratio car, and variable-ratio car is to vary in size to change transmission speed by converting the chain fluted disc external diameter of chain institute carry.And along with the increase of speed change hop count, the chain fluted disc quantity that chain fluted disc configures also increases thereupon.Because the rear chain fluted disc group of bicycle is to be a kind ofly installed in the rear-wheel hub of bicycle and to be rotated the stressed assembly that drives bicycle to move ahead by chain-driving, therefore trade-in can must be eliminated because being subject to pulling of chain to produce wearing and tearing, being even collided to cause damage in the sprocket position that each chain fluted disc and chain are embedded.Especially to drive bicycle be outdoor exercises and the user that rides instead of walk to preference, if bicycle meets failure problems, the professional person that need to seek help could solve, if can cause great inconvenience to user but be in when remote districts or bicycle cannot continue to travel again, therefore the user who partly has a preference for bicycle all has familiar and understanding to a certain degree to the basic fundamental of maintenance bicycle, when some spare part of bicycle need to be eliminated trade-in, can not need can be by oneself via professional.
Chain fluted disc group after known bicycle, as shown in Figure 1, rear chain fluted disc group 1 is the integrally formed bullet of making hollow, include a dispensing hole 2 and connect rear chain fluted disc group 1 front and back end and the descending stepped arrangement of a plurality of chain fluted disc 3, dispensing hole 2 wears chimeric for a pawl seat (not shown) of bicycle drive shaft, each chain fluted disc 3, by the periphery wall of the radial rib 4 interlocking dispensing holes 2 of a plurality of annular spread, forms hollow space between adjacent two ribs 4, to reach lightweight object.When adding man-hour, because known rear chain fluted disc group 1 periphery has the chain fluted disc 3 of various outer diameter, a plurality of sprockets that each chain fluted disc 3 periphery distributes are also unfavorable for that fixture is fixing so that dispensing hole 2 and each chain fluted disc 3 are processed.In addition, when after chain fluted disc group 1 be installed on bicycle, once this chain fluted disc 3, be subject to that foreign object strike is damaged or use reasonable time to have wear pattern and need to repair, whole rear chain fluted disc group 1 must replace, and is not inconsistent economic principle.
Utility model content
Main purpose of the present utility model, chain fluted disc group after a kind of bicycle is provided, the inconvenient user of rear chain fluted disc group that can overcome known bicycle changes voluntarily, and be formed in one and make, the fixture of unfavorable processing is fixed, when needs are eliminated trade-in, it is very the shortcoming of waste that whole rear chain fluted disc group all will be eliminated.
In order to solve the problems of the technologies described above, the utility model provides chain fluted disc group after a kind of bicycle, include a fluted disc seat, it has one first card and one second card of opposition side, this first card is extended a central siphon, this central siphon has an axis hole and wears for a pawl seat of this bicycle, the outer periphery of this central siphon is provided with a plurality of fins and is connected with this first card, respectively the outside of this fin is tiltedly established to the end of this central siphon by this first card, respectively this fin is sequentially provided with a plurality of fit portion of stepped arrangement, this pawl seat is provided with a stop end and a locking end that is positioned at opposite end, this second card is resisted against this stop end to limit the longitudinal travel of this fluted disc seat on this pawl seat,
A plurality of main chain fluted discs, respectively at its periphery, being provided with a plurality of sprockets is also various outer diameter size and the number of teeth, and order is from the one end that approaches this first card is installed in respectively this fit portion to the one end away from this first card on from large to small, the boarding hole that respectively this main chain fluted disc is respectively equipped with respectively this fin coordinates; And
A plurality of supporting components, are embedded at respectively between two adjacent these main chain fluted discs with affixed two these main chain fluted discs.
Further, more include an affixed assembly, be fitted in this locking end of this pawl seat, this affixed assembly is equipped with a baffle ring in order to support respectively this main chain fluted disc with restriction main chain fluted disc longitudinal travel, and this fluted disc seat is fixed on this pawl seat.
Further, wherein this affixed assembly is provided with an outside thread, and this pawl seat is provided with the inner bolt hole with this outside thread assembly.
Further, more include at least one secondary chain fluted disc, this pair chain fluted disc is directly embedded at this pawl seat and is arranged at respectively between this main chain fluted disc and this affixed assembly.
Further, wherein this pair chain fluted disc of external diameter minimum is the secondary chain fluted disc of an end, and the secondary sprocket card of this end is provided with a coarse friction face to the one side of this locking end.
Further, wherein this boarding hole annular spread has a plurality of short slots, and respectively this short slot is with respectively this fit portion is chimeric.
Further, wherein this supporting component has a head and a cross-under portion, and this head is between two adjacent these main chain fluted discs, and this cross-under portion is arranged in this large main chain fluted disc of external diameter in two these main chain fluted discs.
Further, wherein respectively a side of this short slot is a pushing and pressing end, and this pushing and pressing end is resisted against a side of this fit portion, and contiguous this pushing and pressing end position is equipped with a perforation, and this perforation wears for this cross-under portion.
Accordingly, after bicycle of the present utility model, chain fluted disc group at least has following advantage:
1. when rear chain fluted disc group of the present utility model meets spare part damage, user can pull down this affixed assembly by fast speed, the target spare part that changes again damage can complete repairs, and the professional person that need not seek help, therefore there are the assembling and dismantling of convenience, and can solve chain fluted disc group after known bicycle, once wherein there is arbitrary spare part to have wearing and tearing or be subject to collision to cause flaw, the waste problem that whole rear chain fluted disc group all will be eliminated.
2. because all component of the present utility model is all stand-alone assembly, can process respectively assembling more together, therefore be beneficial to the clamping comfort feature that carries out surface working of fixture.
Accompanying drawing explanation
Fig. 1 is the block diagram of chain fluted disc group after known bicycle.
Fig. 2 is the exploded perspective view of the utility model embodiment.
Fig. 3 is the block diagram of the utility model embodiment main chain fluted disc.
Fig. 4 is the combination stereogram of the utility model embodiment.
Fig. 5 is the assembled sectional view of the utility model embodiment.
In figure, 1: rear chain fluted disc group 2: dispensing hole
3: chain fluted disc 4: rib
10: fluted disc seat 11: axis hole
13: the second cards of 12: the first cards
14: central siphon 15: fin
16: fit portion 20: main chain fluted disc
21: boarding hole 22: sprocket
23: short slot 23a: pushing and pressing end
23b: perforation 24: secondary chain fluted disc
24a: the secondary chain fluted disc of end 24b: friction face
30: supporting component 31: head
32: cross-under portion 40: pawl seat
41: stop end 42: locking end
43: inner bolt hole 50: affixed assembly
51: baffle ring 52: outside thread.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail, so that those skilled in the art can better understand the utility model being implemented, but illustrated embodiment is not as to restriction of the present utility model.
Refer to Fig. 2 to Fig. 5, after the utility model discloses a kind of bicycle, chain fluted disc group includes a fluted disc seat 10, a plurality of main chain fluted disc 20, a plurality of supporting component 30, a pawl seat 40 and an affixed assembly 50.
Fluted disc Zuo10 center has one first card 12 and one second card 13 that is positioned at two opposite sides, the first card 12 is extended a central siphon 14, and there is an axis hole 11 to connect central siphon 14, and the fin 15 of a plurality of connection the first cards 12 of central siphon 14 peripheral distribution, fin 15 is extended to central siphon 14 ends by the first card 12, the outside of fin 15 is tiltedly established to central siphon 14 ends by the first card 12, make fin 15 form an external form for wedgewise structure roughly, and the outside of each fin 15 is sequentially provided with a plurality of fit portion 16 of stepped arrangement.Axis hole 11 wears for the pawl seat 40 of bicycles, pawl seat 40 be provided be positioned at a stop end 41 of opposite end and locking end 42, the second cards 13 be resisted against stop end 41 with restriction fluted disc seat 10 longitudinal travel on pawl seat 40.
Main chain fluted disc 20 is respectively equipped with the boarding hole 21 coordinating with these fins 15, in the present embodiment, boarding hole 21 annular spread have a plurality of short slots that are square 23, short slot 23 is chimeric with fit portion 16, one side of short slot 23 is a pushing and pressing end 23a, pushing and pressing end 23a supports a side of fit portion 16, and the antagonistic force of generation while providing an extra area to carry out transmission to produce extra thrust and promote fit portions 16 with antagonism main chain fluted disc 20, each distributive plural of main chain fluted disc 20 peripheries sprocket 22 is also respectively various outer diameter and the number of teeth, and order is entrenched in fit portion 16 to the one end away from the first card 12 from the one end that approaches the first card 12 from large to small, make the main chain fluted disc 20 adjacent stop ends 41 of maximum outside diameter, make the main chain fluted disc 20 of minimum outer diameter approach locking end 42.
A plurality of supporting components 30, supporting component 30 in the present embodiment has the cross-under portion 32 that a head 31 and an external diameter are less than head 31, head 31 is arranged between two adjacent main chain fluted discs 20, it is larger that cross-under portion 32 is arranged in two main chain fluted discs 20 external diameter, and together with it is affixed, in the present embodiment, the contiguous pushing and pressing end of main chain fluted disc 20 23a position is equipped with a perforation 23b, and perforation 23b uses for cross-under portion 32 and wears.
In addition, except above-mentioned a plurality of main chain fluted discs 20, the utility model has more at least one secondary chain fluted disc 24, secondary chain fluted disc 24 be directly embedded at pawl seat 40 and be arranged at main chain fluted disc 20 and affixed assembly 50 between, wherein minimum secondary chain fluted disc 24 is the secondary chain fluted disc of end 24a, and the one side that the secondary chain fluted disc of end 24a faces locking end 42 is provided with a coarse friction face 24b.
Affixed assembly 50 is arranged on the locking end 42 of pawl seat 40, the periphery of affixed assembly 50 is provided with a baffle ring 51 and an outside thread 52 adjacent to baffle ring 51, baffle ring 51 is tight against the friction face 24b on the secondary chain fluted disc of end 24a, pawl seat 40 is provided with the inner bolt hole 43 screwing togather with outside thread 52, and affixed assembly 50 is fixed on secondary chain fluted disc 24 and main chain fluted disc 20 on fluted disc seat 10 and pawl seat 40.
Because the rear chain fluted disc group (as shown in Figure 1) of bicycle is for articulating chain, the pedal of rider's bicycle drives crank rotation, before driving, chain fluted disc group is rotated and drives chain, and chain fluted disc group after chain-driving, so by rear chain fluted disc group, coordinate with chain, drive the rotating of wheel of bicycle to advance, each main chain fluted disc 20 in rear chain fluted disc group and secondary chain fluted disc 24 are constantly subject to chain and pull, cause sprocket 22 to have wearing and tearing, in the reasonable time that rear chain fluted disc group is used or clashed into and while damaging, when the main chain fluted disc 20 that need to more renew or secondary chain fluted disc 24, user only needs to pull down voluntarily affixed assembly 50, unload again target main chain fluted disc 20 or the secondary chain fluted disc 24 of damage, without the professional person that seeks help can assembling and dismantling after chain fluted disc group, and can solve known rear chain fluted disc group (as shown in Figure 1), once wherein a chain fluted disc (as shown in Figure 1) has wearing and tearing or is subject to collision to cause flaw, the waste problem that whole rear chain fluted disc group all will be eliminated.
It is worth mentioning that, the utility model fluted disc seat 10, main chain fluted disc 20, secondary chain fluted disc 24, the secondary chain fluted disc 24a of end and affixed assembly 50 can be processed respectively and assemble for indivedual assemblies, are therefore beneficial to the clamping comfort feature that carries out surface working of fixture.
The above embodiment is only the preferred embodiment for absolutely proving that the utility model is lifted, and protection domain of the present utility model is not limited to this.Being equal to that those skilled in the art do on the utility model basis substitutes or conversion, all within protection domain of the present utility model.Protection domain of the present utility model is as the criterion with claims.
Claims (8)
1. a chain fluted disc group after bicycle, is characterized in that, comprising:
One fluted disc seat, it has one first card and one second card of opposition side, this first card is extended a central siphon, this central siphon has an axis hole and wears for a pawl seat of this bicycle, the outer periphery of this central siphon is provided with a plurality of fins and is connected with this first card, respectively the outside of this fin is tiltedly established to one end of this central siphon by this first card, respectively this fin is sequentially provided with a plurality of fit portion of stepped arrangement, this pawl seat is provided with a stop end and a locking end that is positioned at opposite end, this second card is resisted against this stop end to limit the longitudinal travel of this fluted disc seat on this pawl seat,
A plurality of main chain fluted discs, respectively at its periphery, being provided with a plurality of sprockets is also various outer diameter size and the number of teeth, and order is from the one end that approaches this first card is installed in respectively this fit portion to the one end away from this first card on from large to small, the boarding hole that respectively this main chain fluted disc is respectively equipped with respectively this fin coordinates; And
A plurality of supporting components, are embedded at respectively between two adjacent these main chain fluted discs with affixed two these main chain fluted discs.
2. chain fluted disc group after bicycle as claimed in claim 1, it is characterized in that, wherein more include an affixed assembly, be fitted in this locking end of this pawl seat, this affixed assembly is equipped with a baffle ring in order to support respectively this main chain fluted disc with restriction main chain fluted disc longitudinal travel, and this fluted disc seat is fixed on this pawl seat.
3. chain fluted disc group after bicycle as claimed in claim 2, is characterized in that, wherein this affixed assembly is provided with an outside thread, and this pawl seat is provided with the inner bolt hole with this outside thread assembly.
4. chain fluted disc group after bicycle as claimed in claim 2, is characterized in that, wherein more includes at least one secondary chain fluted disc, and this pair chain fluted disc is directly embedded at this pawl seat and is arranged at respectively between this main chain fluted disc and this affixed assembly.
5. chain fluted disc group after bicycle as claimed in claim 4, is characterized in that, wherein this pair chain fluted disc of external diameter minimum is the secondary chain fluted disc of an end, and the secondary sprocket card of this end is provided with a coarse friction face to the one side of this locking end.
6. chain fluted disc group after bicycle as claimed in claim 1, is characterized in that, wherein this boarding hole annular spread has a plurality of short slots, and respectively this short slot is with respectively this fit portion is chimeric.
7. chain fluted disc group after bicycle as claimed in claim 6, it is characterized in that, wherein this supporting component has a head and a cross-under portion, and this head is between two adjacent these main chain fluted discs, and this cross-under portion is arranged in this large main chain fluted disc of external diameter in two these main chain fluted discs.
8. chain fluted disc group after bicycle as claimed in claim 7, is characterized in that, wherein respectively a side of this short slot is a pushing and pressing end, and this pushing and pressing end is resisted against a side of this fit portion, and contiguous this pushing and pressing end position is equipped with a perforation, and this perforation wears for this cross-under portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420014762.2U CN203740093U (en) | 2014-01-10 | 2014-01-10 | Rear sprocket disc set of bicycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420014762.2U CN203740093U (en) | 2014-01-10 | 2014-01-10 | Rear sprocket disc set of bicycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203740093U true CN203740093U (en) | 2014-07-30 |
Family
ID=51339928
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420014762.2U Expired - Lifetime CN203740093U (en) | 2014-01-10 | 2014-01-10 | Rear sprocket disc set of bicycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203740093U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108482572A (en) * | 2018-05-23 | 2018-09-04 | 湖南耐特材料科技有限公司 | A kind of gear shift flywheel |
| CN108516044A (en) * | 2018-05-23 | 2018-09-11 | 湖南耐特材料科技有限公司 | A kind of integral type gear shift flywheel |
| CN109421888A (en) * | 2017-08-24 | 2019-03-05 | 株式会社岛野 | Bicycle rear sprocket assembly |
| CN109421889A (en) * | 2017-08-24 | 2019-03-05 | 株式会社岛野 | Bicycle rear sprocket assembly |
| CN110654497A (en) * | 2015-05-25 | 2020-01-07 | 株式会社岛野 | Bicycle rear sprocket assembly |
| TWI767927B (en) * | 2016-08-30 | 2022-06-21 | 西班牙商羅特技術組件公司 | Bicycle rear sprocket assembly |
-
2014
- 2014-01-10 CN CN201420014762.2U patent/CN203740093U/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110654497A (en) * | 2015-05-25 | 2020-01-07 | 株式会社岛野 | Bicycle rear sprocket assembly |
| TWI767927B (en) * | 2016-08-30 | 2022-06-21 | 西班牙商羅特技術組件公司 | Bicycle rear sprocket assembly |
| CN109421888A (en) * | 2017-08-24 | 2019-03-05 | 株式会社岛野 | Bicycle rear sprocket assembly |
| CN109421889A (en) * | 2017-08-24 | 2019-03-05 | 株式会社岛野 | Bicycle rear sprocket assembly |
| US10668980B2 (en) | 2017-08-24 | 2020-06-02 | Shimano Inc. | Bicycle rear sprocket assembly |
| CN109421889B (en) * | 2017-08-24 | 2020-11-03 | 株式会社岛野 | Bicycle rear sprocket assembly |
| US10926836B2 (en) | 2017-08-24 | 2021-02-23 | Shimano Inc. | Bicycle rear sprocket assembly |
| TWI757534B (en) * | 2017-08-24 | 2022-03-11 | 日商島野股份有限公司 | Bicycle rear sprocket assembly |
| CN108482572A (en) * | 2018-05-23 | 2018-09-04 | 湖南耐特材料科技有限公司 | A kind of gear shift flywheel |
| CN108516044A (en) * | 2018-05-23 | 2018-09-11 | 湖南耐特材料科技有限公司 | A kind of integral type gear shift flywheel |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140730 |