CN1186751A - Multiple sprocket assembly adapted to secure sprocket to outer race - Google Patents
Multiple sprocket assembly adapted to secure sprocket to outer race Download PDFInfo
- Publication number
- CN1186751A CN1186751A CN97119577A CN97119577A CN1186751A CN 1186751 A CN1186751 A CN 1186751A CN 97119577 A CN97119577 A CN 97119577A CN 97119577 A CN97119577 A CN 97119577A CN 1186751 A CN1186751 A CN 1186751A
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- sprocket wheel
- outer ring
- ring
- external peripheral
- boss
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Abstract
A multiple sprocket apparatus for a bicycle includes an inner race and an outer race having first and second end faces rotatably supported by the inner race. The outer race has first and second end faces and is structured for supporting a plurality of first sprockets on an outer peripheral surface thereof and aligned between the first and second end faces. The second end face includes fastening means for fastening a second sprocket thereto.
Description
The present invention relates to be used for the multi-chain gear wheel device of bicycle, in more detail, the present invention relates to a kind ofly can be fixed on multi-chain gear wheel device on the outer ring of chain gear apparatus body to one or more sprocket wheels.
Conventional multi-chain gear wheel device, flywheel for example, it comprises: an inner ring; One is rotatably supported in outer ring on this inner ring by a plurality of ball bearing of main shafts; And a ratchet/detent mechanism that is arranged between inner ring and the outer ring, be used for making the outer ring can only rotate along a direction with respect to inner ring.A plurality of sprocket wheels are installed on the outer surface of outer ring and by minimum or outermost sprocket wheel fix in position usually, and this sprocket wheel has the negative thread circumferential surface on the threaded portion of an outer surface that is tightened in the outer ring.
In the flywheel of this routine, the sprocket on sprocket wheel less than being strict with, thereby uses a less sprocket wheel that is tightened on the outer ring to allow fully with respect to the position of the sprocket on the adjacent sprocket wheel.But some multi-chain gear wheel device has used special chain gearshift mechanism on sprocket wheel.This chain gearshift mechanism, particularly those are HYPERGLIDE at the trade mark that is installed on cessionary's sale of the present invention
Loose boss on the multi-chain gear wheel device in the chain gearshift mechanism that uses, be very to need, even because they also can guarantee correct chain gear shift under abominable driving conditions.In order correctly to work, the chain gearshift mechanism takes turns to another sprocket wheel from a chain and must be located especially, and this can realize by being connected with spline between the outer ring at sprocket wheel.Certainly, because the rearmost position of the sprocket wheel that is threaded is unfixed, this multi-chain gear wheel device can not use the minor sprocket that is threaded.Therefore, this minimum sprocket wheel uses spline to connect fix in position on the outer ring usually, and all sprocket wheels all are fixed on this device body by a lock ring, and this lock ring is positioned at the adjacent position of this minimum sprocket wheel and is tightened on the threaded portion of outer ring.
In order to hold lock ring in the minimum thickness that keeps the multi-chain gear wheel device, lock ring comprises that is assemblied in this minimum sprocket wheel inner cylindrical part partly sometimes.But, this structural limitations should the minimum sprocket wheel minimum diameter and limited again thus should the minimum sprocket wheel the minimum number of teeth.The number of teeth of the sprocket wheel of the minimum diameter of the existing multi-chain gear wheel device of Gou Chenging is restricted to 13 by this way.Therefore, if this bicycle rider is wanted the still less sprocket wheel of the number of teeth, he or she must solve the problem that conventional multi-chain gear wheel device does not have desirable chain gearshift mechanism.
Invention relates to a kind of multi-chain gear wheel device, for example flywheel or loose boss, and this device has used the chain gearshift mechanism on sprocket wheel, also allow the sprocket wheel of the few minimum of the use number of teeth simultaneously.In one embodiment of the invention, a kind of multi-chain gear wheel device that is used for bicycle comprises an inner ring and the outer ring by this inner ring rotatably support.This outer ring have first and second end faces and be configured for a plurality of first sprocket bearings on its external peripheral surface and can be between this first and second end face centering.This second end face comprises and being used for one second securing device that sprocket wheel is fixed thereon.
At one more specifically among the embodiment of the present invention, a kind of multi-chain gear wheel device that is used for bicycle comprises that an inner ring and one have first and second end faces and by the outer ring of this inner ring rotatably support.A plurality of first sprocket wheels are arranged on the external peripheral surface of outer ring and centering between first and second end face of this outer ring.One second sprocket wheel comprises one or more holes on an one side, and the outer ring comprises the tapped bore that one or more and the hole in second sprocket wheel align on its second end face.Bolt is passed in the hole in second sprocket wheel and is screwed in the tapped bore on the outer ring, so that second sprocket wheel is fixed on the outer ring.
In another embodiment of the present invention, second sprocket wheel comprises a boss that extends from its side, and the 3rd sprocket wheel is arranged on this boss.The 3rd sprocket wheel can integrally be made with this boss, but the 3rd sprocket wheel also can be by lock ring, weld and mode such as be threaded is fixed on this boss.
Figure 1A is the part sectional view of a specific embodiment of multi-chain gear wheel device of the present invention;
Figure 1B is the front elevation of the device shown in Figure 1A;
Fig. 1 C is the enlarged view of the part of the multi-chain gear wheel device shown in Figure 1A;
Fig. 2 A is the part sectional view of another embodiment of multi-chain gear wheel device of the present invention;
Fig. 2 B is the front elevation of the device shown in Fig. 2 A;
Fig. 2 C is the enlarged view of the part of the multi-chain gear wheel device shown in Fig. 2 A;
Fig. 3 is the part sectional view of the specific embodiment of the penultimate stage sprocket wheel that uses in Fig. 2 A～2C shown device;
Fig. 4 is the part sectional view of another embodiment of the penultimate stage sprocket wheel that uses in Fig. 2 A～2C shown device;
Fig. 5 is the part sectional view of another embodiment of the penultimate stage sprocket wheel that uses in Fig. 2 A～2C shown device;
Fig. 6 is the part sectional view of another embodiment of the penultimate stage sprocket wheel that uses in Fig. 2 A～2C shown device;
Fig. 7 is the part sectional view of another embodiment of multi-chain gear wheel flywheel of the present invention;
Fig. 8 is the part sectional view of another embodiment of multi-chain gear wheel flywheel of the present invention; And
Fig. 9 is the part sectional view of another embodiment of multi-chain gear wheel flywheel of the present invention.
Figure 1A and 1B are respectively the part sectional view and the front elevations of a specific embodiment of multi-chain gear wheel device 10 of the present invention.In this embodiment, device 10 is the version that adopts flywheel, but content of the present invention also can be used for Free hub.Fig. 1 C is the enlarged drawing that the part of Figure 1A flywheel is shown.As shown in these figure, flywheel gear 10 comprises 14, one outer rings 18 of an inner ring and a plurality of outer ring 18 is rotatably supported in ball bearing of main shaft 22 on the inner ring 14.A well-known ratchet/detent mechanism 26 is arranged between inner ring 14 and the outer ring 18, is used for making outer ring 18 can only rotate along a direction with respect to inner ring 14.A plurality of sprocket wheel 30A～30F are assemblied on the external peripheral surface 34 between outer ring 18 both ends of the surface 32 and 74.In this embodiment, distance piece 33A～33E is arranged between sprocket wheel 30A～30F.Each distance piece 33A～33E can be the independent collar, also can form a single piece respectively with each sprocket wheel.
A plurality of tapped bore 70 form on the end face 74 of outer ring 18, and 78 in corresponding with it a plurality of holes form on the side of sprocket wheel 30G.In this embodiment, screw or bolt 82 pass hole 78 and are screwed in the tapped bore 70, so that sprocket wheel 30G is fixed on the end face 74, make the flange 84 of sprocket wheel 30G contact with sprocket wheel 30F.Certainly, flange 84 can be made independent shading ring.In this embodiment, bolt 82 is an Allen bolt, but also can replace with the bolt of other types.Because sprocket wheel 30G is assemblied on the end face 74 of outer ring 18, the inner circumferential surface 88 of sprocket wheel 30G just can be less than the inner circumferential surface of other sprocket wheel, so the number of teeth on the sprocket wheel 30G also can reduce.In addition, no longer need distance piece, make that the thickness of this flywheel is thinner than the flywheel of prior art.
Fig. 2 A and 2B are respectively the part sectional view and the front elevations of multi-chain gear wheel flywheel gear 100 of the present invention.Fig. 2 C is the enlarged drawing of the part of flywheel shown in Fig. 2 A.As shown in these figure, flywheel gear 100 comprises 114, one outer rings 118 of an inner ring and a plurality of outer ring 118 is rotatably supported in ball bearing of main shaft 122 on the inner ring 114.A well-known ratchet/detent mechanism 126 is arranged between inner ring 114 and the outer ring 118, is used for making outer ring 118 can only rotate along a direction with respect to inner ring 114.A plurality of sprocket wheel 130A～130D are assemblied on the external peripheral surface 134 of outer ring 118.
As know among Fig. 2 C and Fig. 3 illustrate, a plurality of tapped bore 170 form on the end face 174 of outer ring 118,178 in corresponding with it a plurality of holes form on the side of sprocket wheel 130E.In this embodiment, screw or bolt 182 pass hole 178 and are screwed in the tapped bore 170, so that sprocket wheel 130E is fixed on the end face 174, makes the flange 184 of sprocket wheel 130E be engaged on the excircle part 144 of outer ring 118 and with sprocket wheel 130D and contact.Certainly, flange 184 can be made independent spacer ring.In this embodiment, bolt 182 is an Allen bolt, but also can replace with the bolt of other types.
Since when reducing of the diameter of boss 193, the number of teeth of sprocket wheel 130F just can be assemblied on the external peripheral surface of outer ring 118 than this sprocket wheel 130F still less.In this embodiment, sprocket wheel 130F has 11 teeth.But by second boss 193 is made suitable size, sprocket wheel 130F can make the tooth that has still less.
Fig. 4 is the part sectional view of another embodiment of sprocket wheel 130E.In this embodiment, be processed with on the external peripheral surface 220 of second boss 193 and be used for the screw thread that is meshed with the negative thread circumferential surface 224 of sprocket wheel 130F.In this embodiment, sprocket wheel 130F can directly be screwed in sprocket wheel 130E and upward need not to use lock ring.
Fig. 5 is the part sectional view of another embodiment of sprocket wheel 130E.In this embodiment, the external peripheral surface of second boss 193 has a splined section 230 and a threaded portion 234.Sprocket wheel 130F is being assemblied on the splined section 230 at the same manner shown in Fig. 3, but in this embodiment, the lock ring 240 with negative thread circumferential surface 244 is screwed on the threaded portion 234, so that sprocket wheel 130F fix in position.
Fig. 6 is the part sectional view of another embodiment of sprocket wheel 130E.In this embodiment, sprocket wheel 130F and boss 193 are made for a single piece.
Though above various embodiment of the present invention are illustrated, under the situation that does not break away from the spirit and scope of the present invention, can also make various improvement to the present invention.For example, sprocket wheel 130E can or weld 300 by as shown in Figure 7 bonding, by rivet 310 as shown in Figure 8, perhaps is fixed on the outer ring by some other device.Other boss can be arranged on the end of boss 193, so that hold additional littler sprocket wheel.Disclosure of the present invention can also be applied to a loose boss 320 as shown in Figure 9, it has 328, one detent mechanisms 332 in 324, one outer rings of an inner ring, sprocket wheel 334A-G, and be used for sprocket wheel 334F is fixed on fastener 336 on the outer ring 328.Therefore, scope of the present invention is not subjected to the restriction of concrete structure disclosed herein.On the contrary, exact range of the present invention should be stipulated by claims.
Claims (24)
1. multi-chain gear wheel device that is used for bicycle comprises:
An inner ring;
Outer ring by this inner ring rotatably support, this outer ring has first and second end faces;
First sprocket wheel of centering on a plurality of external peripheral surfaces that are configured in this outer ring and between this first and second end face;
Second sprocket wheel that on its side, has a hole;
Wherein, this outer ring has a tapped bore on this second end face, and this tapped bore and this hole in this second sprocket wheel align;
Bolt is passed in the hole in this second sprocket wheel and is screwed in this tapped bore on this outer ring, so that this second sprocket wheel is fixed on this outer ring.
2. device as claimed in claim 1, it is characterized in that, this external peripheral surface of this outer ring has one first splined surfaces, and the inner circumferential surface of each sprocket wheel in these a plurality of first sprocket wheels has second splined surfaces that is meshed with this first splined surfaces.
3. device as claimed in claim 1 is characterized in that, this second sprocket wheel has first side and second side, and this first side of this second sprocket wheel is fixed on this second end face of this outer ring; And this device also comprises the 3rd sprocket wheel on this second side that is fixed on this second sprocket wheel.
4. device as claimed in claim 3 is characterized in that, this second sprocket wheel comprises the boss that has an external peripheral surface that extends from this second side of this second sprocket wheel one by one; The 3rd sprocket wheel is configured in around this external peripheral surface of this boss.
5. device as claimed in claim 4 is characterized in that, this external peripheral surface of this boss has one first thread surface; The inner circumferential surface of the 3rd sprocket wheel has second thread surface that is meshed with this first thread surface.
6. device as claimed in claim 4 is characterized in that, a surface of this boss has one first thread surface; And this device also comprises a lock ring, and this lock ring comprises:
Substantial cylindrical part with second thread surface, this second thread surface is meshed with this first thread surface; And
One is arranged on and is used on this cylindrical part the 3rd sprocket wheel is fixed on the flange that extends radially outward on this second sprocket wheel.
7. device as claimed in claim 6 is characterized in that, this first thread surface is arranged on the inner circumferential surface of this boss; This second thread surface is arranged on the external peripheral surface of this cylindrical part.
8. device as claimed in claim 4 is characterized in that, this external peripheral surface of this boss has one first thread surface; And this device comprises that also one is used for this three sprocket wheel is fixed on ring-type lock ring on this second sprocket wheel, and this lock ring has one and is used for the negative thread circumferential surface that is meshed with this first thread surface.
9. device as claimed in claim 4 is characterized in that, the external peripheral surface of this boss has one first splined surfaces; And the inner circumferential surface of the 3rd sprocket wheel has second splined surfaces that is meshed with this first splined surfaces.
10. device as claimed in claim 9 is characterized in that, a surface of this boss comprises one first thread surface; And this device also comprises a lock ring, and this lock ring comprises:
Substantial cylindrical part with second thread surface, this second thread surface is meshed with this first thread surface; And
One is arranged on and is used on this cylindrical part the 3rd sprocket wheel is fixed on the flange that extends radially outward on this second sprocket wheel.
11. device as claimed in claim 10 is characterized in that, this first thread surface is arranged on the inner circumferential surface of this boss; And this second thread surface is arranged on the external peripheral surface of this cylindrical part.
12. device as claimed in claim 9 is characterized in that, this external peripheral surface of this boss has one first thread surface; And this device comprises that also one is used for the 3rd sprocket wheel is fixed on ring-type lock ring on this second sprocket wheel, and this lock ring has one and is used for the negative thread circumferential surface that is meshed with this first thread surface.
13. device as claimed in claim 3 is characterized in that, the 3rd sprocket wheel and this second sprocket wheel are made for a single piece.
14. device as claimed in claim 3 is characterized in that, the 3rd sprocket wheel is welded on this second sprocket wheel.
15. device as claimed in claim 3 is characterized in that, this second sprocket wheel has a plurality of holes; This outer ring has the tapped bore on this second end face that a plurality of and a plurality of holes in this second sprocket wheel align, a plurality of holes in this second sprocket wheel with between the adjacent teeth of the 3rd sprocket wheel, aim at; And this device also comprises a plurality of bolts, and each bolt is passed in a plurality of holes in this second sprocket wheel and is screwed in the corresponding tapped bore in a plurality of tapped bore in this outer ring.
16. device as claimed in claim 15 is characterized in that, a plurality of holes in this outer ring are arranged on the distal end faces of this outer ring.
17. device as claimed in claim 16 is characterized in that, this of this outer ring first end face forms on a flange that extends radially outward.
18. a multi-chain gear wheel device that is used for bicycle comprises:
An inner ring;
Outer ring by this inner ring rotatably support, this outer ring have first and second end faces and a plurality ofly are arranged on a spline on the external peripheral surface;
On a plurality of these external peripheral surfaces that are configured in this outer ring and first sprocket wheel that is meshed with a plurality of splines on the external peripheral surface of this outer ring, these a plurality of first sprocket wheels centering between this first and second end face;
One second sprocket wheel;
Wherein, this second end face has and is used for this second sprocket wheel is fixed on securing device on this outer ring.
19. device as claimed in claim 18 is characterized in that, this securing device comprises bolt.
20. device as claimed in claim 18 is characterized in that, this securing device comprises weld seam.
21. device as claimed in claim 18 is characterized in that, this securing device comprises rivet.
22. a multi-chain gear wheel device that is used for bicycle comprises:
An inner ring;
Outer ring by this inner ring rotatably support, this outer ring has first and second end faces;
Wherein, this outer ring be configured for a plurality of first sprocket bearings on its external peripheral surface and can be between this first and second end face centering;
Wherein this second end face has and is used for one second securing device that sprocket wheel is fixed thereon.
23. device as claimed in claim 22 is characterized in that, this securing device comprises a plurality of tapped bore that are arranged on this second end face.
24. device as claimed in claim 22 is characterized in that, this external peripheral surface of this outer ring has a plurality of splines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN97119577A CN1186751A (en) | 1996-10-02 | 1997-09-30 | Multiple sprocket assembly adapted to secure sprocket to outer race |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US725116 | 1996-10-02 | ||
| CN97119577A CN1186751A (en) | 1996-10-02 | 1997-09-30 | Multiple sprocket assembly adapted to secure sprocket to outer race |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1186751A true CN1186751A (en) | 1998-07-08 |
Family
ID=5175454
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN97119577A Pending CN1186751A (en) | 1996-10-02 | 1997-09-30 | Multiple sprocket assembly adapted to secure sprocket to outer race |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1186751A (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100457538C (en) * | 2002-03-08 | 2009-02-04 | 株式会社岛野 | Chain wheel assembly for bicycle |
| CN102476696A (en) * | 2010-11-30 | 2012-05-30 | 天心工业股份有限公司 | Bicycle chain wheel |
| CN105857505A (en) * | 2015-02-05 | 2016-08-17 | 株式会社岛野 | Bicycle sprocket assembly and BICYCLE REAR SPROCKET ASSEMBLY |
| CN106926968A (en) * | 2014-12-15 | 2017-07-07 | 株式会社岛野 | Multilevel self blockchain wheel assembly |
| CN108528619A (en) * | 2017-03-03 | 2018-09-14 | 株式会社岛野 | Bicycle chain wheel assembly and bicycle drivetrain |
| CN108974239A (en) * | 2017-05-30 | 2018-12-11 | 株式会社岛野 | Bicycle rear sprocket assembly and bicycle drivetrain |
| US11351815B2 (en) | 2017-08-21 | 2022-06-07 | The Hive Global, Inc. | Bicycle cassette with clamping connection |
| US11485449B2 (en) | 2015-09-01 | 2022-11-01 | The Hive Global, Inc. | Bicycle cassette with locking connection |
| US11932351B2 (en) | 2020-07-17 | 2024-03-19 | The Hive Global, Inc. | Conical bicycle cassette sprocket structure |
| US12030586B2 (en) | 2021-07-12 | 2024-07-09 | The Hive Global, Inc. | Seal for bicycle crank with differential chainring motion |
-
1997
- 1997-09-30 CN CN97119577A patent/CN1186751A/en active Pending
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100457538C (en) * | 2002-03-08 | 2009-02-04 | 株式会社岛野 | Chain wheel assembly for bicycle |
| CN102476696A (en) * | 2010-11-30 | 2012-05-30 | 天心工业股份有限公司 | Bicycle chain wheel |
| CN102476696B (en) * | 2010-11-30 | 2013-11-13 | 天心工业股份有限公司 | Bicycle chain wheel |
| CN106926968A (en) * | 2014-12-15 | 2017-07-07 | 株式会社岛野 | Multilevel self blockchain wheel assembly |
| CN105857505A (en) * | 2015-02-05 | 2016-08-17 | 株式会社岛野 | Bicycle sprocket assembly and BICYCLE REAR SPROCKET ASSEMBLY |
| CN105857505B (en) * | 2015-02-05 | 2019-03-08 | 株式会社岛野 | Bicycle chain wheel assembly and bicycle rear sprocket assembly |
| US11485449B2 (en) | 2015-09-01 | 2022-11-01 | The Hive Global, Inc. | Bicycle cassette with locking connection |
| CN108528619A (en) * | 2017-03-03 | 2018-09-14 | 株式会社岛野 | Bicycle chain wheel assembly and bicycle drivetrain |
| CN108528619B (en) * | 2017-03-03 | 2020-09-04 | 株式会社岛野 | Bicycle sprocket assembly and bicycle drive train |
| CN108974239A (en) * | 2017-05-30 | 2018-12-11 | 株式会社岛野 | Bicycle rear sprocket assembly and bicycle drivetrain |
| CN108974239B (en) * | 2017-05-30 | 2021-07-20 | 株式会社岛野 | Bicycle rear sprocket assembly and bicycle drive train |
| US11351815B2 (en) | 2017-08-21 | 2022-06-07 | The Hive Global, Inc. | Bicycle cassette with clamping connection |
| US11932351B2 (en) | 2020-07-17 | 2024-03-19 | The Hive Global, Inc. | Conical bicycle cassette sprocket structure |
| US12030586B2 (en) | 2021-07-12 | 2024-07-09 | The Hive Global, Inc. | Seal for bicycle crank with differential chainring motion |
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
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