CN202811904U - Easily assembled external pawl-type ratchet hub - Google Patents

Abstract

The utility model relates to an easily assembled external pawl-type ratchet hub which comprises a mandrel unit, a shell body, a driving piece, a pawl group and an elastic piece group. The shell body comprises a plurality of containing grooves; each containing groove is provided with a groove bottom surface and pin jointed parts; the driving piece comprises a ratchet gear ring which faces the containing grooves; each pawl of the pawl group is respectively provided with a pivoted part which is rotationally matched with the pin-jointed part, a claw part which extends from the pivoted part and is meshed with the ratchet gear ring, and a caulking groove which is arranged on the pivoting part; every elastic piece of the elastic piece group is respectively provided with an elastic piece body which is arranged in the caulking groove, a first support leg which extends from the elastic piece body and is propped against the claw part, and a second support leg which extends from the elastic piece body and is propped against the groove bottom surface. The assembly convenience can be improved, the working hours in assemble can be saved and the production efficiency can be improved by pre-assembling the elastic pieces and the pawls.

Description

The outer pawl formula ratchet wheel hub of Yi Zuli

Technical field

The utility model relates to a kind of colored hub, particularly relates to a kind of easy group of vertical outer pawl formula ratchet wheel hub.

Background technique

As shown in Figure 1 and Figure 2, the disclosed pawl device 20 of TaiWan, China M273524 Patent Case has a wheel hub 21, a ratchet 22 and several pallet pieces 23, each pallet piece 23 has respectively the lining 24 of the receiving hole 211 of inserting this wheel hub 21, one copper sheet 25, one torque springs 26 and that are attached at the caulking groove 212 of this wheel hub 21 are positioned at the pawl body 27 of this copper sheet 25.One side of this pawl body 27 is equipped with in this lining 24 of an insertion and the pivot 271 that supplies this torque spring 26 to be nested with, and one with the draw-in groove 272 of a pin 261 plants of these pivot 271 these torque springs 26 of parallel confession, 262 on a butted pin of this torque spring 26 is butted in this copper sheet 25.Although this Patent Case can drive this wheel hub 21 by described pallet piece 23, exists described pallet piece 23 global designs complicated, assembles more time-consuming shortcoming.

Summary of the invention

The purpose of this utility model is to provide a kind of outer pawl formula ratchet wheel hub that can improve the assembling convenience, save the Yi Zuli that assembles man-hour, enhances productivity.

The utility model is the vertical outer pawl formula ratchet wheel hub of group easily, comprises a mandrel unit, a housing, an actuator, a ratchet group and an elastic component group:

This mandrel unit is along an Axis Extension;

This housing is supported by this mandrel unit and can rotate around this axis, comprise one around this axis and define the perisporium of an endoporus, and be formed at the inner ring surface of this perisporium and be positioned at several openings and several containing grooves of this endoporus one end, each containing groove is by this endoporus of an open communication, each containing groove has respectively a groove bottom away from this opening, and is connected this groove bottom and this opening and is a pin-joint part that lacks the circle shape;

This actuator is supported by this mandrel unit and can rotate around this axis, comprises the ratchet ring that stretches into this endoporus and face described containing groove, and this ratchet ring has several ratchets, and each ratchet has respectively a drive surface;

This ratchet group comprises several ratchets, each ratchet has respectively first side in the face of this housing, one the second side in the face of this actuator, the pivot part that one diameter and this pin-joint part are rotating, one extends through from this pivot part that this opening is used for and the claw of the drive surface of this ratchet ring engagement, and one is arranged at this pivot part and the caulking groove between this first side and this second side;

This elastic component group comprises several elastic components that are installed in respectively between described containing groove and the described ratchet, with so that each ratchet and this ratchet ring keep engagement, each elastic component has respectively a body that is positioned at this caulking groove, one is butted in the first leg of this claw from this body extension, and one extends butted in the second leg of this groove bottom from this body.

The utility model is the vertical outer pawl formula ratchet wheel hub of group easily, comprises a mandrel unit, a housing, an actuator, a ratchet group and an elastic component group:

This mandrel unit is along an Axis Extension;

This housing is supported by this mandrel unit and can rotate around this axis, comprise one around this axis and define the perisporium of an endoporus, and be formed at the inner ring surface of this perisporium and be positioned at several openings and several containing grooves of this endoporus one end, each containing groove is by this endoporus of an open communication, each containing groove has respectively a groove bottom away from this opening, and is connected this groove bottom and this opening and is and lack that the pin-joint part is driven on a right side of justifying shape and the pin-joint part is driven on a left side;

This actuator is supported by this mandrel unit and can rotate around this axis, comprise the ratchet ring that stretches into this endoporus and face described containing groove, this ratchet ring has several ratchets, each ratchet has respectively that drive surface is driven on a right side and drive surface is driven on a left side, and this right side is driven drive surface and is driven the pin-joint part towards this right side, and this left side is driven drive surface and driven the pin-joint part towards this left side;

This ratchet group comprises several ratchets, each ratchet has respectively first side in the face of this housing, one the second side in the face of this actuator, one is installed on that the pin-joint part is driven on this right side and the wherein pivot part of one of pin-joint part is driven on this left side, one extends through that this opening is used for and the right side of this ratchet ring is driven drive surface and driven the wherein claw of one engagement of drive surface with left from this pivot part, and one is arranged at this pivot part and the caulking groove between this first side and this second side;

This elastic component group comprises several elastic components that are installed in respectively between described containing groove and the described ratchet, with so that each ratchet and this ratchet ring keep engagement, each elastic component has respectively the body of inserting this caulking groove, one is butted in the first leg of this claw from this body extension, and one extends butted in the second leg of this groove bottom from this body.

Easy group of vertical outer pawl formula ratchet wheel hub described in the utility model, each ratchet also has respectively a slot that is arranged at this claw and is communicated with this caulking groove, and this first leg is plugged in this slot also butted in this claw.

Easy group of vertical outer pawl formula ratchet wheel hub described in the utility model also comprises the several piece coherent mass, respectively glutinous putting between the first leg of the slot of described ratchet and described elastic component.

Easy group of vertical outer pawl formula ratchet wheel hub described in the utility model also comprises several latches, the body of planting and being fixed in the pivot part of described ratchet and passing described elastic component respectively.

Easy group of vertical outer pawl formula ratchet wheel hub described in the utility model also comprises several jacks, is arranged at respectively the claw of described ratchet and is communicated with described caulking groove, and the first leg of described elastic component inserts respectively described jack.

Easy group of vertical outer pawl formula ratchet wheel hub described in the utility model, the thickness of the pivot part of each ratchet is less than the thickness of this claw, each ratchet also has respectively one and is arranged at this claw and is communicated with the concave arc surface of this caulking groove and this slot, one is positioned at this concave arc surface side and is communicated with the shallow storage space of this caulking groove, and one be arranged at this pivot part and be communicated with the axis hole of this shallow storage space and this caulking groove, easily the vertical outer pawl formula ratchet wheel hub of group also comprises several fulcrums, each fulcrum has respectively a large footpath section that is positioned at this shallow storage space and this concave arc surface that reclines, the one central diameter section of certainly being somebody's turn to do greatly directly vertically undergauge extension of section and passing the body of this elastic component reaches a path section from this axis hole of vertically undergauge extension of this central diameter section insertion.

The beneficial effects of the utility model are: can assemble in advance described elastic component and described ratchet, can pack synchronously, take out described elastic component and described ratchet into described containing groove whereby, can improve the assembling convenience, save assembling man-hour, enhance productivity.

Description of drawings

Fig. 1 is the exploded perspective view of TaiWan, China M273524 Patent Case;

Fig. 2 is the assembled sectional view of TaiWan, China M273524 Patent Case;

Fig. 3 is the exploded perspective view that the utility model is easily organized vertical outer pawl formula ratchet wheel hub the first preferred embodiment;

Fig. 4 is an elastic component of this first preferred embodiment and the exploded perspective view of a ratchet;

Fig. 5 is the axial assembled sectional view of this first preferred embodiment;

Fig. 6 is the sectional view that picks up from the cutting line VI-VI among Fig. 5, shows to be in drive condition;

Fig. 7 is the exploded perspective view that the utility model is easily organized vertical outer pawl formula ratchet wheel hub the second preferred embodiment;

Fig. 8 is the assembled sectional view of this second preferred embodiment, and drive condition is driven on the demonstration right side;

Fig. 9 is the view of similar Fig. 8, and drive condition is driven on a demonstration left side;

Figure 10 is local assembled sectional view of the present utility model, shows the first design that an elastic component and a ratchet do not break away from each other;

Figure 11 is local assembled sectional view of the present utility model, shows the second design that this elastic component and this ratchet do not break away from each other;

Figure 12 is local assembled sectional view of the present utility model, shows the third design that this elastic component and this ratchet do not break away from each other;

Figure 13 is exploded stereogram of the present utility model, shows the 4th kind of design that this elastic component and this ratchet do not break away from each other;

Figure 14 is local assembled sectional view of the present utility model, shows the 4th kind of design that this elastic component and this ratchet do not break away from each other.

Embodiment

Below in conjunction with drawings and Examples the utility model is elaborated.

Be noted that before the detailed description that in the following description content similarly assembly is to represent with identical numbering.

To shown in Figure 6, the utility model easily vertical outer pawl formula ratchet wheel hub the first preferred embodiment of group is single direction ratchet flower hub, comprises a mandrel unit 30, a housing 40, an actuator 50, a ratchet group 60 and an elastic component group 70 such as Fig. 3.

This mandrel unit 30 comprises an axostylus axostyle 31 along axis L extension, and is mounted on several bearings 32 of this axostylus axostyle 31.

This housing 40 comprises one around this axis L and defines the perisporium 42 of an endoporus 41, and be formed at an inner ring surface 421 of this perisporium 42 and be positioned at several openings 43 and several containing grooves 44 of these endoporus 41 1 ends, each containing groove 44 is communicated with these endoporus 41 by an opening 43.

Each containing groove 44 has respectively a groove bottom 441 away from this opening 43, and be connected this groove bottom 441 with this opening 43 and be a pin-joint part 442 that lacks the circle shape, as for the symmetrical position in this pin-joint part 442, another pin-joint part 443 can be set, also another pin-joint part 443 can be set.

This actuator 50 is installed on the bearing 32 of this mandrel unit 30 and can rotates around this axis L, comprise the endoporus 41 that stretches into this housing 40 and in the face of the ratchet ring 51 of described containing groove 44, and one-body molded and be positioned at the outer sprocket wheel 52 of this housing 40 with this ratchet ring 51.

This ratchet ring 51 has several ratchets 511, and each ratchet 511 has respectively a drive surface 512, and this drive surface 512 is towards this pin-joint part 442.

This ratchet group 60 comprises several ratchets 61 of the pin-joint part 442 that is applicable to be installed in described containing groove 44, each ratchet 61 has respectively first side 615 in the face of this housing 40, one the second side 616 in the face of this actuator 50, the pivot part 611 that one diameter and this pin-joint part 442 are rotating, one extends through from this pivot part 611 that this opening 43 is used for and the claw 612 of drive surface 512 engagements of this ratchet ring 51, one is arranged at this pivot part 611 and the caulking groove 613 between this first side 615 and this second side 616, and one is arranged at this claw 612 and is communicated with the slot 614 of this caulking groove 613.

This elastic component group 70 comprises several elastic components 71 that are installed between described containing groove 44 and the described ratchet 61, with so that the claw 612 of described ratchet 61 keeps engagement with this ratchet ring 51, in this first preferred embodiment, described elastic component 71 is torque spring, each elastic component 71 has respectively a body 711 that is positioned at this caulking groove 613, one is butted in the first leg 712 of this claw 612 from these body 711 these slots 614 of extension insertion, and one extends butted in the second leg 713 of this groove bottom 441 from this body 711.

Before the vertical flower of group hub, first the body 711 of each elastic component 71 is inserted the caulking groove 613 of each ratchet 61, make simultaneously this first leg 712 insert this slot 614 and butted in this claw 612, namely assemble in advance each elastic component 71 and each ratchet 61.

During the vertical flower of group hub, just can be with in each elastic component 71 and each containing groove 44 that each ratchet 61 is packed into corresponding synchronously, described pivot part 611 is laid respectively in the described pin-joint part 442, and make the second leg 713 of described elastic component 71 butted in the groove bottom 441 of described containing groove 44 respectively, make the drive surface 512 maintenance engagements of claw 612 with the ratchet 511 of this ratchet ring 51 of described ratchet 61, so, when this sprocket wheel 52 is subject to clockwise direction driving force (seeing the arrow 80 of Fig. 6), the drive surface 512 that just can pass through the ratchet 511 of this ratchet ring 51 drives described ratchet 61, and generation drives the effect that these housing 40 clockwise directions rotate, on the contrary, when this sprocket wheel 52 is subject to the counter clockwise direction driving force, then described ratchet 61 can be removed engagement from described ratchet 511 escapes, can only produce idle running.

Such as Fig. 7, shown in Figure 8, the utility model easily vertical outer pawl formula ratchet wheel hub the second preferred embodiment of group is bidirectional ratchet flower hub, comprises a mandrel unit 30, a housing 40 ', an actuator 50 ', a ratchet group 60 and an elastic component group 70.

This second preferred embodiment is all identical with the structure major part of this first preferred embodiment aforementioned components, and both construct different (seeing Fig. 6) ratchet ring 53 that difference is this actuator 50 ' and the ratchet ring of this actuator 50 51.

Each containing groove 45 of this housing 40 ' has respectively a groove bottom 451 away from this opening 43, and be connected this groove bottom 451 with this opening 43 and be that pin-joint part 452 is driven on a right side that lacks the circle shape and pin-joint part 453 is driven on a left side, it is identical that the diameter of pin-joint part 452 and this left side driving pin-joint part 453 is driven on this right side of this second preferred embodiment, but this right side drive pin-joint part 452 and this left side drive the diameter of pin-joint part 453 also can be different, for example the claimant is in the disclosed technology of TaiWan, China M382912 Patent Case.

The ratchet ring 53 of this actuator 50 ' has several ratchets 531, each ratchet 531 has respectively that drive surface 532 is driven on a right side and drive surface 533 is driven on a left side, this right side is driven drive surface 532 and is driven pin-joint part 452 towards this right side, and this left side is driven drive surface 533 and driven pin-joint part 453 towards this left side.

Before the vertical flower of the group hub, first the body 711 of each elastic component 71 is inserted the caulking groove 613 of each ratchet 61, make simultaneously this first leg 712 insert this slot 614 and butted in this claw 612, namely assemble in advance each elastic component 71 and each ratchet 61.

During the vertical flower of group hub, the mounting point of described ratchet 61 and described elastic component 71 is selected in the visual Consumer's of the flower hub producer user demand, make the utility model become that ratchet wheel hub is driven on the right side or ratchet wheel hub is driven on a left side, when wanting the right side, the Consumer drives ratchet wheel hub, in the time of namely the sprocket wheel 52 of this actuator 50 ' will being installed on the right side, pin-joint part 452 is driven on described elastic component 71 and the right side that described ratchet 61 is installed on described containing groove 45 synchronously, make simultaneously the second leg 713 of described elastic component 71 butted in the groove bottom 451 of described containing groove 45 respectively, make the claw 612 of described ratchet 61 drive drive surface 532 maintenance engagements with the right side of the ratchet 531 of this ratchet ring 53, so, when this sprocket wheel 52 is subject to clockwise direction driving force (seeing the arrow 81 among Fig. 8), just can drive described ratchet 61 by described ratchet 531, and generation drives the effect that this housing 40 ' clockwise direction rotates, on the contrary, when this sprocket wheel 52 is subject to the counter clockwise direction driving force, then described ratchet 61 can be removed engagement from described ratchet 531 escapes, can only produce idle running.

Such as Fig. 7, shown in Figure 9, when wanting a left side, the Consumer drives ratchet wheel hub, in the time of namely the sprocket wheel 52 of this actuator 50 ' will being installed on the left side, pin-joint part 453 is driven on described elastic component 71 and the left side that described ratchet 61 is installed on described containing groove 45 synchronously, make simultaneously the second leg 713 of described elastic component 71 butted in the groove bottom 451 of described containing groove 45 respectively, make the claw 612 of described ratchet 61 drive drive surface 533 maintenance engagements with the left side of the ratchet 531 of this ratchet ring 53, so, when this sprocket wheel 52 is subject to counter clockwise direction driving force (seeing the arrow 82 among Fig. 9), just can drive described ratchet 61 by described ratchet 531, and generation drives the effect that this housing 40 ' counterclockwise rotates, on the contrary, when this sprocket wheel 52 is subject to the clockwise direction driving force, then described ratchet 61 can be removed engagement from described ratchet 531 escapes, can only produce idle running.

What deserves to be explained is, after preventing that described elastic component 71 and described ratchet 61 from assembling, or in the process that changes this ratchet group 60 and this elastic component group 70, described elastic component 71 occuring break away from the situation that causes the vertical puzzlement of group with described ratchet 61, can adopt following means that described elastic component 71 is not broken away from each other with described ratchet 61.

As shown in figure 10, the utility model also comprises several piece coherent mass 91, sticking putting between the first leg 712 of the slot 614 of each ratchet 61 and each elastic component 71 respectively, make whereby each claw 612 bonded to one another with each leg 712, and then can prevent that described elastic component 71 and described ratchet 61 break away from, and adopt the mode of some glue to form described coherent mass 91 on the practice.

As shown in figure 11, the utility model also comprises several latches 92, the body 711 of planting and being fixed in the pivot part 611 of each ratchet 61 and passing each elastic component 71 respectively, and then can prevent that described elastic component 71 and described ratchet 61 break away from.

As shown in figure 12, the utility model omits described slot 614, further comprise several jacks 93, described jack 93 is arranged at respectively described claw 612 and is communicated with described caulking groove 613, the first leg 712 of described elastic component 71 inserts respectively described jack 93, and then can prevent that described elastic component 71 and described ratchet 61 break away from.

Such as Figure 13, shown in Figure 14, the thickness of the pivot part 611 of each ratchet 61 of the utility model is less than the thickness of this claw 612, each ratchet 61 also has respectively one and is arranged at this claw 612 and is communicated with the concave arc surface 617 of this caulking groove 613 and this slot 614, one is positioned at these concave arc surface 617 sides and is communicated with the shallow storage space 618 of this caulking groove 613, and one be arranged at this pivot part 611 and be communicated with the axis hole 619 of this shallow storage space 618 and this caulking groove 613, the utility model also comprises several fulcrums 94, each fulcrum 94 has respectively a large footpath section 941 that is positioned at this shallow storage space 618 and this concave arc surface 617 that reclines, the one central diameter section 942 of certainly being somebody's turn to do the 941 vertically undergauge extensions of large footpath section and passing the body 711 of this elastic component 71, reach a path section 943 from this axis hole 619 of vertically undergauge extension of this central diameter section 942 insertion, design can prevent described elastic component 71 and described ratchet 61 disengagings whereby.

By above explanation as can be known, the vertical outer pawl formula ratchet wheel hub of the easy group of the utility model has following beneficial effect:

One, the utility model can be assembled described elastic component 71 and described ratchet 61 in advance, no matter described elastic component 71 and described ratchet 61 will be packed whereby into described containing groove 44,45, perhaps described elastic component 71 and described ratchet 61 to be taken out described containing groove 44,45, all only need a step just can finish, can improve assembling convenience of the present utility model, save and assemble man-hour, enhance productivity.

Two, on the practice, described elastic component 71 is made, is organized in advance and stand by upstream parts plants with described ratchet 61, for the flower hub producer, directly obtains pre-group of vertical assembly parts well, except assembling simplification, and the operation that also can save product examine, part management.

Three, the matching design of this ratchet 61 of the utility model and this elastic component 71, pallet piece 23 compared to TaiWan, China M273524 Patent Case, has the effect that global design is succinct, assembling is easier, in addition, this ratchet 61 of the utility model is take this pivot part 611 as rotating shaft, with the pawl body 27 of TaiWan, China M273524 Patent Case take pivot 271 as rotating shaft, both design difference.

Claims (12)

1. easily organize vertical outer pawl formula ratchet wheel hub for one kind, comprise a mandrel unit, a housing, an actuator, a ratchet group and an elastic component group, it is characterized in that:

This mandrel unit is along an Axis Extension;

This housing is supported by this mandrel unit and can rotate around this axis, comprise one around this axis and define the perisporium of an endoporus, and be formed at the inner ring surface of this perisporium and be positioned at several openings and several containing grooves of this endoporus one end, each containing groove is by this endoporus of an open communication, each containing groove has respectively a groove bottom away from this opening, and is connected this groove bottom and this opening and is a pin-joint part that lacks the circle shape;

This actuator is supported by this mandrel unit and can rotate around this axis, comprises the endoporus that stretches into this housing and the ratchet ring of facing described containing groove, and this ratchet ring has several ratchets, and each ratchet has respectively a drive surface;

This ratchet group comprises several ratchets, each ratchet has respectively first side in the face of this housing, one the second side in the face of this actuator, the pivot part that the pin-joint part of the containing groove that one diameter is corresponding with this is rotating, one extends through from this pivot part that this opening is used for and the claw of the drive surface of this ratchet ring engagement, and one is arranged at this pivot part and the caulking groove between this first side and this second side;

This elastic component group comprises several elastic components that are installed in respectively between described containing groove and the described ratchet, with so that each ratchet and this ratchet ring keep engagement, each elastic component has respectively a body that is positioned at this caulking groove, one is butted in the first leg of this claw from this body extension, and one extends butted in the second leg of this groove bottom from this body.

2. easy group of vertical outer pawl formula ratchet wheel hub according to claim 1 is characterized in that:

Each ratchet also has respectively a slot that is arranged at this claw and is communicated with this caulking groove, and this first leg is plugged in this slot also butted in this claw.

3. easy group of vertical outer pawl formula ratchet wheel hub according to claim 2 is characterized in that:

Easily the vertical outer pawl formula ratchet wheel hub of group also comprise the several piece coherent mass, respectively glutinous putting between the first leg of the slot of described ratchet and described elastic component.

4. easy group of vertical outer pawl formula ratchet wheel hub according to claim 2 is characterized in that:

Easily the vertical outer pawl formula ratchet wheel hub of group also comprises several latches, the body of planting and being fixed in the pivot part of described ratchet and passing described elastic component respectively.

5. easy group of vertical outer pawl formula ratchet wheel hub according to claim 1 is characterized in that:

Easily the vertical outer pawl formula ratchet wheel hub of group also comprises several jacks, is arranged at respectively the claw of described ratchet and is communicated with described caulking groove, and the first leg of described elastic component inserts respectively described jack.

6. easy group of vertical outer pawl formula ratchet wheel hub according to claim 2 is characterized in that:

The thickness of the pivot part of each ratchet is less than the thickness of this claw, each ratchet also has respectively one and is arranged at this claw and is communicated with the concave arc surface of this caulking groove and this slot, one is positioned at this concave arc surface side and is communicated with the shallow storage space of this caulking groove, and one be arranged at this pivot part and be communicated with the axis hole of this shallow storage space and this caulking groove, easily the vertical outer pawl formula ratchet wheel hub of group also comprises several fulcrums, each fulcrum has respectively a large footpath section that is positioned at this shallow storage space and this concave arc surface that reclines, the one central diameter section of certainly being somebody's turn to do greatly directly vertically undergauge extension of section and passing the body of this elastic component reaches a path section from this axis hole of vertically undergauge extension of this central diameter section insertion.

7. easily organize vertical outer pawl formula ratchet wheel hub for one kind, comprise a mandrel unit, a housing, an actuator, a ratchet group and an elastic component group, it is characterized in that:

This mandrel unit is along an Axis Extension;

This housing is supported by this mandrel unit and can rotate around this axis, comprise one around this axis and define the perisporium of an endoporus, and be formed at the inner ring surface of this perisporium and be positioned at several openings and several containing grooves of this endoporus one end, each containing groove is by this endoporus of an open communication, each containing groove has respectively a groove bottom away from this opening, and is connected this groove bottom and this opening and is and lack that the pin-joint part is driven on a right side of justifying shape and the pin-joint part is driven on a left side;

This actuator is supported by this mandrel unit and can rotate around this axis, comprise the ratchet ring that stretches into this endoporus and face described containing groove, this ratchet ring has several ratchets, each ratchet has respectively that drive surface is driven on a right side and drive surface is driven on a left side, and this right side is driven drive surface and is driven the pin-joint part towards corresponding this right side, and this left side is driven drive surface and driven the pin-joint part towards corresponding this left side;

This ratchet group comprises several ratchets, each ratchet has respectively first side in the face of this housing, one the second side in the face of this actuator, one is installed on that the pin-joint part is driven on this right side and the wherein pivot part of one of pin-joint part is driven on this left side, one extends through that this opening is used for and the right side of this ratchet ring is driven drive surface and driven the wherein claw of one engagement of drive surface with left from this pivot part, and one is arranged at this pivot part and the caulking groove between this first side and this second side;

This elastic component group comprises several elastic components that are installed in respectively between described containing groove and the described ratchet, with so that each ratchet and this ratchet ring keep engagement, each elastic component has respectively the body of inserting this caulking groove, one is butted in the first leg of this claw from this body extension, and one extends butted in the second leg of this groove bottom from this body.

8. easy group of vertical outer pawl formula ratchet wheel hub according to claim 7 is characterized in that:

Each ratchet also has respectively a slot that is arranged at this claw and is communicated with this caulking groove, and this first leg is plugged in this slot also butted in this claw.

9. easy group of vertical outer pawl formula ratchet wheel hub according to claim 8 is characterized in that:

Easily the vertical outer pawl formula ratchet wheel hub of group also comprise the several piece coherent mass, respectively glutinous putting between the first leg of the slot of described ratchet and described elastic component.

10. easy group of vertical outer pawl formula ratchet wheel hub according to claim 8 is characterized in that:

Easily the vertical outer pawl formula ratchet wheel hub of group also comprises several latches, the body of planting and being fixed in the pivot part of described ratchet and passing described elastic component respectively.

11. easy group of vertical outer pawl formula ratchet wheel hub according to claim 7 is characterized in that:

Easily the vertical outer pawl formula ratchet wheel hub of group also comprises several jacks, is arranged at respectively the claw of described ratchet and is communicated with described caulking groove, and the first leg of described elastic component inserts respectively described jack.

12. easy group of vertical outer pawl formula ratchet wheel hub according to claim 8 is characterized in that:

The thickness of the pivot part of each ratchet is less than the thickness of this claw, each ratchet also has respectively one and is arranged at this claw and is communicated with the concave arc surface of this caulking groove and this slot, one is positioned at this concave arc surface side and is communicated with the shallow storage space of this caulking groove, and one be arranged at this pivot part and be communicated with the axis hole of this shallow storage space and this caulking groove, easily the vertical outer pawl formula ratchet wheel hub of group also comprises several fulcrums, each fulcrum has respectively a large footpath section that is positioned at this shallow storage space and this concave arc surface that reclines, the one central diameter section of certainly being somebody's turn to do greatly directly vertically undergauge extension of section and passing the body of this elastic component reaches a path section from this axis hole of vertically undergauge extension of this central diameter section insertion.

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