CN206615001U - Flower hub driving structure - Google Patents

Abstract

A kind of colored hub driving structure, it is included：One spends hub body, a fluted disc sleeve to be an elastomeric pad, wherein the flower hub body connects the fixed interlock ring in space by group, tank is set with unification elastomeric pad one driving ring of installation by the group of fluted disc sleeve again, when making the structure Shi Jishiyong, only driving ring clutch start is provided by the elastomeric pad of the fluted disc socket end, it can reach that colored hub body is interlocked or autorotation with fluted disc sleeve, driving ring can not only be lifted and the degree of accuracy that interannular is engaged and linked is interlocked, structure composition can more be simplified, the cost of manufacture of structure is reduced, with economic benefit.

Description

Flower hub driving structure

Technical field

The utility model is related to a kind of colored hub structure, particularly a kind of colored hub driving structure.

Background technology

A kind of colored hub driving structure of the prior art, please refer to shown in Fig. 7, it is included：One flower hub body 40, its Wholeheartedly axle 41 axially are equipped with, the one end of flower hub body 40 connects space 42 provided with one group, are connect in the group and ring-type is provided with space 42 A Coupling 43, the inner circumferential continuous arrangement of Coupling 43 is equipped with axially arranged multiple teeth 431；One sleeve 50, in hollow Tubular, and provided with an ostiolate open end 51, the inner circumferential continuous arrangement of open end 51 is equipped with axially arranged multiple teeth 511, and be connected with the open end 51 and connect space 42 in the group, and the heart axle 41 is worn sleeve 50；One drive component 60, comprising There are two ratchet rings 62 of elastic component 61 and first, the second ratchet rings 63, two elastic components 61 are all a kind of scroll spring, and Two elastic components 61 are sheathed on into the group of colored hub body 40 respectively to connect inside the open end 51 of space 42 and sleeve 50, this One ratchet ring 62 and the periphery continuous arrangement of the second ratchet ring 63 are equipped with chimeric teeth portion 621,631, the one end of the first ratchet ring 62 The radially continuous engaging teeth portion 622 provided with default gradient of junction, and corresponding engaging tooth of a terminal area of second ratchet ring 63 Portion 622 and it is relative be provided with meshing teeth 632, the group that first ratchet ring 62 is mounted on colored hub body 40 is connect in space 42, and with The chimeric teeth portion 621 of periphery engages limitation with multiple teeth 431 of the Coupling 43, and second ratchet ring 63 is then mounted on sleeve Inside 50 open end 51, while limitation is engaged with multiple teeth 511 with the chimeric teeth portion 631 of periphery, also by first ratchet ring 62 and second ratchet ring 63 press against in corresponding elastic component 61, make first ratchet ring 62, the second ratchet ring 63 Pushed out by elastic component 61 to and by engage teeth portion 622 and the intermeshing formation gearing of meshing teeth 632, to complete one Plant flower hub driving structure.

By said structure, when flywheel drives the sleeve 50 to rotate towards a direction, please refer to shown in Fig. 8, the set The meshing teeth 632 of 50 brake second ratchet rings 63 of cylinder is engaged with the engaging teeth portion 622 of the first ratchet ring 62, and can interlock this Flower hub body 40 is rotated；When flywheel drives the sleeve 50 towards when rotating backward, then please refer to shown in Fig. 9, first ratchet Ring 62, the engaging teeth portion 622 of the second ratchet ring 63 and meshing teeth 632 then can be mutually exclusive and backed out, and compress homonymy simultaneously Elastic component 35, make the second ratchet ring 63 and the first ratchet ring 62 formation disengaged position, then make the sleeve 20 present idling conditions.

The structure for seeing above-mentioned prior art in detail is not difficult to realize that it has remained a little weak point, and main cause is as follows：(1) Its structure passes through two elastic components 61 elasticity pushing and pressing respectively in being all provided with an elastic component 61 in flower hub body 40 and sleeve 50 First ratchet ring 62, the second ratchet ring 63, reach the first ratchet ring 62, the clutch state of the second ratchet ring 63, not only cause knot Numerous and diverse inconvenience of structure assembling, increases structure fabrication cost, on the other hand because two elastic components 61 all can be by first and second ratchet-gear wheel 62nd, 63 extruding are inside contracted, and cause first and second ratchet-gear wheel 62,63 clutch states uncertain, lack practicality.

(2) two elastic components 61 are all a kind of scroll spring, and scroll spring in end forms height because forming swirling Low difference, causes two elastic components 61 not support averagely and is affixed on the first ratchet ring 62, the surface of the second ratchet ring 63 and flexible force Uneven doubt, when two elastic components 61 push against the first ratchet ring 62, the second ratchet rings 63 mutually by engaging when, first ratchet ring 62nd, the situation that the second ratchet ring 63 easily has deflective displacement because exerting a force inequality is produced, and causes the first ratchet ring 62, the second ratchet Untrue engagement is formed between ring 63, causes the situation for producing sliding tooth between teeth portion, departing from, is also formed with Ka Jiao etc. and has some setbacks Resistance, accelerate teeth portion abrasion, reduce the service life that is engaged and linked, actually structure uses upper defect.

Utility model content

A kind of colored hub driving structure, it is included：One spends hub body, a fluted disc sleeve to be an elastomeric pad, wherein the flower Hub body is axially equipped with wholeheartedly axle, and connects space in the group that one end forms an opening, and the group connects a fixed interlock ring in space, The outer surface of the interlock ring is in ring-like gearing teeth portion provided with one, and the fluted disc sleeve is with the charge-coupled heart axle for being placed on colored hub body On, the group that should be wherein opened in face of the side formation one of flower hub body sets tank, and the inner ring footpath sequential that the group sets tank is set There are multiple chimeric teeth, to coordinate one driving ring of interlocking, the outer shroud Zhou Yixu of the driving ring sets the embedding of tank provided with engaging tooth with group Close tooth and be mutually twisted fixation, and an outer surface is in ring-like driving teeth portion provided with one, and the group sets tank and the driving interannular Provided with an elastomeric pad, the elastomeric pad is provided with least four shell fragments generally in annular shape by neighboring, and four shell fragments all have Have supporting section and elastomeric pad even one, and a stretch section tilted toward side, and the plurality of stretch section toward same direction with And the same side elongation moulding.

Further, the interlock ring is also axially equipped with least two tooling holes.

Effect against existing technologies：(1), the flower hub body connects the fixed interlock ring in space by group, then by fluted disc sleeve Group set tank one driving ring be installed with unification elastomeric pad, when making the structure actual use, only pass through the fluted disc socket end Elastomeric pad provides driving ring clutch start, can reach that colored hub body is interlocked or autorotation with fluted disc sleeve, can not only The degree of accuracy that lifting driving ring and gearing interannular are engaged and linked, can more simplify structure composition, reduce the cost of manufacture of structure, tool warp Ji benefit.

(2), the elastomeric pad is circular in one, and is mutually connected provided with least four shell fragments in neighboring, and four bullets Piece all there is supporting section to be integrally connected with elastomeric pad, and tilt the stretch section in arc sheet toward side, make the elastomeric pad Stretch section can be uniform against forcing in the driving ring, and provide driving ring certain telescopic displacement state, help lifting driving Teeth portion is with interlocking the degree of accuracy that teeth portion is engaged and linked, while avoiding elastomeric pad force uneven and driving ring is had deflection Ka Jiao's Situation is produced, and then the service life of lift structure, has practicality.

Brief description of the drawings

Fig. 1：For stereogram of the present utility model；

Fig. 2：For exploded view of the present utility model；

Fig. 3：For driving ring of the present utility model and the schematic diagram of elastomeric pad phase closing；

Fig. 4：For assembled sectional view of the present utility model；

Fig. 5：For the close-up schematic view of gearing state of the present utility model；

Fig. 6：For the close-up schematic view of disengaged position of the present utility model；

Fig. 7：For the exploded view of prior art；

Fig. 8：The close-up schematic view of assembled sectional view and gearing state for prior art；

Fig. 9：For the close-up schematic view of the disengaged position of prior art.

Description of reference numerals：

The utility model：

10 flower hub bodies；

11 heart axles；

12 groups connect space；

13 interlock rings；

131 interlock teeth portion；

132 tooling holes；

20 fluted disc sleeves；

21 groups set tank；

211 chimeric teeth；

22 driving rings；

221 engaging tooths；

222 driving teeth portion；

30 elastomeric pads；

31 shell fragments；

311 supporting sections；

312 stretch sections；

Prior art：

40 flower hub bodies；

41 heart axles；

42 groups connect space；

43 Couplings；

431 teeth；

50 sleeves；

51 open ends；

511 teeth；

60 drive components；

61 elastic components；

62 first ratchet rings；

621 chimeric teeth portion；

622 engaging teeth portion；

63 second ratchet rings；

631 chimeric teeth portion；

632 meshing teeth.

Embodiment

The utility model is described in further detail with specific embodiment below in conjunction with the accompanying drawings, so that those skilled in the art The utility model can be better understood from and can be practiced, but illustrated embodiment is limited not as to of the present utility model.

First, first refer to shown in Fig. 1, Fig. 2, a kind of colored hub driving structure, it is included：One flower hub body 10, a fluted disc The elastomeric pad 30 of sleeve 20 and one, wherein, the flower hub body 10 is axially arranged with wholeheartedly axle 11, and forms an opening in one end Group connects space 12, and the group is connect with the fixed interlock ring 13 of screw lock mode in space 12, and the outer surface of the interlock ring 13 is provided with one In ring-like gearing teeth portion 131, at least two tooling holes 132 are also axially equipped with, the fluted disc sleeve 20 is placed on colored hub with charge-coupled On the heart axle 11 of body 10, and the group opened with the side formation one for facing flower hub body 10 sets tank 21, and the group sets tank 21 inner ring footpath sequential is provided with multiple chimeric teeth 211, to coordinate one driving ring 22 of interlocking, the outer shroud Zhou Yi of the driving ring 22 Sequence is mutually twisted fixation provided with the chimeric tooth 211 that engaging tooth 221 and group set tank 21, and an outer surface of the driving ring 22 is set Have one be in ring-like driving teeth portion 222, and the group set between tank 21 and the driving ring 22 be provided with an elastomeric pad 30, the cushion Piece 30 is generally in annular shape, and be mutually connected provided with least four shell fragments 31 by neighboring, and four shell fragments 31 all have supporting section 311 It is integrally connected with elastomeric pad 30, and the stretch section 312 in arc sheet is tilted toward side, and the plurality of stretch section 312 is past Same direction and the same side elongation moulding person.

The composition of its structure, then refer to Fig. 1, Fig. 2 and coordinate shown in Fig. 3 to Fig. 5, the flower hub body 10 is to connect sky by group Between 12 with the fixed interlock ring 13 of screw lock mode, and the interlock ring 13 had interlock the end face of teeth portion 131 towards outside, the fluted disc Sleeve 20 sets in group and an elastomeric pad 30 and a driving ring 22, the court of stretch section 312 of the elastomeric pad 30 is placed in tank 21 Laterally and against driving ring 22, and the phase inlay card of chimeric tooth 211 that the driving ring 21 then sets tank 21 with engaging tooth 221 and group is limited Position, makes the driving ring 22 have synchronous spinning movement with the fluted disc sleeve 20, and set tank in group along the chimeric direction of tooth 211 There is the displacement state of axial direction in 21, finally the fluted disc sleeve 20 is sheathed on the heart axle 11 of colored hub body 10 again, should also Fluted disc sleeve 20 and the phase group of flower hub body 10 are by fixing, while making the driving ring 22 by four stretch sections of elastomeric pad 30 312 average pushing and pressing and toward the direction displacement of interlock ring 13, and then be meshed and be connected with the driving teeth portion 222 and the gearing teeth portion 131, By said structure, to complete a kind of colored hub driving structure.

The state of its structure actual use, continuous to refer to shown in Fig. 5, the colored hub structure is provided with change by fluted disc sleeve 20 Fast fluted disc (not shown), when rider's force steps on pedal, by crank handle turns fluted disc and then can affect fluted disc sleeve 20 rotation stoppers, now, when rider steps on pedal clockwise to travel forward, due to the driving teeth portion 222 of the driving ring 22 With the gearing teeth portion 131 of the interlock ring 13 is mutually corresponding all forms unidirectional helical teeth shape, make the driving ring 22 with the tooth When disk sleeve 20 is rotated clockwise, can to drive teeth portion 222 to be meshed to form gearing with the gearing teeth portion 131 of the interlock ring 13, And then the synchronous rotary stopper of flower hub body 10 is interlocked, reach the state that bicycle is travelled forward；

Conversely, when rider steps on pedal counterclockwise, then refer to shown in Fig. 6, the driving ring 22 is i.e. with fluted disc set Cylinder 20 forms direction of rotation counterclockwise, makes the turn direction of driving teeth portion 222 of the driving ring 22 and the gearing of the interlock ring 13 The engagement of teeth portion 131 direction is different, makes the driving ring 22 can not be to drive the gearing teeth portion 131 of teeth portion 222 and interlock ring 13 mutually to nibble Close and form disengaged position, and fluted disc sleeve 20 is made so that driving ring 22 inside contracts displacement by the elastic gap of elastomeric pad 30 Not work done during rotation, and then allow colored hub body 10 to form idling conditions, separately in stopping when stepping on of pedal during traveling, it connects Rotating ring 13 also can in rotation status escape and driving ring 22 engagement, make to spend the formation idling conditions of hub body 10, reach Naturally the transport condition slided.

By means of the structure of above-mentioned specific embodiment, following effects are can obtain：(1) the flower hub body 10 connects space 12 by group A fixed interlock ring 13, then tank 21 is set with unification elastomeric pad 30 by the group of fluted disc sleeve 20 one driving ring 22 is installed, order should When structure is Shi Jishiyong, the clutch start of driving ring 22 only is provided by the elastomeric pad 30 at the end of fluted disc sleeve 20, flower can be reached Hub body 10 is interlocked or autorotation with fluted disc sleeve 20, can not only be lifted and is engaged and linked between driving ring 22 and interlock ring 13 The degree of accuracy, can more simplify structure composition, reduce the cost of manufacture of structure, have economic benefit.

(2) elastomeric pad 30 is circular in one, and is mutually connected provided with least four shell fragments 31 in neighboring, and this four Individual shell fragment 31 all there is supporting section 311 to be integrally connected with elastomeric pad 30, and tilt the stretch section in arc sheet toward side 312, make the stretch section 312 of the elastomeric pad 30 can be uniform against forcing in the driving ring 22, and it is certain to provide driving ring 22 Telescopic displacement state, helps lifting driving teeth portion 222 with interlocking the degree of accuracy that teeth portion 131 is engaged and linked, while avoiding cushion The situation that is uneven and making driving ring 22 and have deflection Ka Jiao that exerts a force of piece 30 is produced, and then the service life of lift structure, has practicality.

Embodiment described above is only the preferred embodiment to absolutely prove the utility model and being lifted, the utility model Protection domain not limited to this.Equivalent substitute or change that those skilled in the art are made on the basis of the utility model Change, within protection domain of the present utility model.Protection domain of the present utility model is defined by claims.

Claims (2)

1. a kind of colored hub driving structure, it is characterised in that include：

One flower hub body, the flower hub body is axially equipped with wholeheartedly axle, and connects space in the group that one end forms an opening, and the group connects A fixed interlock ring in space, it is in ring-like gearing teeth portion that the outer surface of the interlock ring, which is provided with one,；

One fluted disc sleeve, the fluted disc sleeve group is placed on the heart axle of colored hub body, should wherein be formed in face of the side of flower hub body One group opened sets tank, and the inner ring footpath sequential that the group sets tank is provided with multiple chimeric teeth, to coordinate one driving ring of interlocking, The chimeric tooth that the outer shroud Zhou Yixu of the driving ring is provided with engaging tooth and sets tank with group is mutually twisted fixation, and an outer surface is set It is in ring-like driving teeth portion to have one；

The group sets tank and the driving interannular is provided with an elastomeric pad, and the elastomeric pad is generally in annular shape, and be provided with by neighboring At least four shell fragments, four shell fragments all have supporting section and are integrally connected with elastomeric pad, and the elasticity tilted toward side Section, and the plurality of stretch section is toward same direction and the same side elongation moulding.

2. colored hub driving structure according to claim 1, it is characterised in that the interlock ring is also axially equipped with least two Tooling hole.