TWM452875U - Hub ratchet cylinder having pivot positioning ratchet block - Google Patents

Description

Flower hub ratchet with pivot set bit

The present invention provides a flower hub ratchet having a pivot-set bite that is associated with the hub of the wheel.

The general flower hub is mainly composed of a ratchet hub shell, a ratchet cylinder, a mandrel and a plurality of bearings, the mandrel is disposed in the hub shell, and the ratchet cylinder is provided with a plurality of spines on the circumference to match the one-way The ratchet of the hub shell is clamped, and the bearing sleeve is disposed between the mandrel and the members to facilitate smooth rotation of the members; and the conventional ratchet barrel 10 is provided with a plurality of the ratchet barrel 10 as shown in FIG. The spine block 11 , each of the ratchet blocks 11 loops each of the spines 11 with a C-shaped loop 12 having an elastic restoring force to limit the spines 11 and assist the elastic resetting of the spines 11 . The ratchet teeth of the hub shell are engaged with the ratchets 11 of the ratchet cylinder 10 to form a driving force. When the vehicle is reversely actuated, the ratchet teeth of the hub shell press the ratchet blocks 11 of the ratchet cylinder 10 to make the ratchet cylinder 10 idling without being driven; However, since the C-shaped buckle 12 is a structural body having an elastic restoring force, the manner in which the C-shaped buckle 12 is positioned to the spine 11 does not accurately and surely position each of the ratchet blocks 11 in the correct position; When the ratchet cylinder 10 is used for a period of time, the spine block 11 is continuously actuated, so that the C-shaped buckle 12 is continuously repeated. The action of the resetting causes the C-shaped buckle 12 to be extremely elastic and fatigue-stricken. Once the C-shaped buckle 12 is elastically tired, the smoothness of the clamping engagement action is directly affected; in view of this, the author conceives and conceives more In-depth study, finally created a pivot setting Thorn flower hub ratchet.

The present invention provides a flower hub ratchet cylinder having a pivotal setting bitbone. The main purpose of the present invention is to solve the problem that the ratchet of the conventional hub hub ratchet is positioned by the C-shaped buckle and has a short service life and an inaccurate positioning effect.

In order to achieve the foregoing objective, the present invention provides a flower hub ratchet cylinder having a pivot-set ratchet block, which can be used with a bicycle flower hub shell having a plurality of ratchets on the inner peripheral surface, and the flower hub ratchet cylinder comprises: a tubular piece a ratchet pocket is disposed on the outer circumference, and a sleeve pivoting portion is disposed on the spine pocket, and a tubular abutting portion is further disposed on the tubular member; a spine block having a pivot portion and a card a pawl pivoting portion is disposed on each side of the pivoting portion, and the locking portion has a ratchet abutting portion, and the spine block is received in the spine pocket with the pivoting portion and One side of the ratchet pivoting portion is pivotally coupled to the tubular member pivoting portion, and the engaging portion is coupled to the ratchet tooth of the hub shell for one-way meshing; a resilient member, the two ends respectively abut against the tubular Abutting portion and the ratchet abutting portion, and the resilient member is normally pushed outwardly against the locking portion; and a fixing member covering the tubular member and disposed at a position corresponding to the pivoting portion of the spine a fixing member pivoting portion, and the pawl pivoting portion on the other side of the pivoting portion is pivotally coupled to the fixing member pivoting portion, and is locked by a plurality of locking members In the cylindrical member.

The ratchet block is pivoted between the tubular member and the fixing member by the pivoting portion of the ratchet pivoting portion and the pivoting portion of the fixing member, and the joint type of each pivoting portion can stably and surely position the ratchet block. And the combined structure does not cause deformation or structural fatigue, and can be reliably extended. Long service life.

In order to enable your review committee to have a better understanding and understanding of the purpose, characteristics and efficacy of this creation, please refer to the following [Simplified Description of the Drawings] for details: The creation of a ratchet ratchet with a pivotal position A preferred embodiment, as shown in Figures 2 to 12, is for use with a hub shell A of a bicycle hub having an inner peripheral surface having a plurality of ratchets A1 and a hub hub comprising a barrel 20, a plurality of ratchets 30, a plurality of resilient members 40, and a fixing member 50, wherein the tubular member 20 has an end surface 21 at one end thereof, and the end surface 21 is formed with a coupling ratchet portion 22, and the coupling ratchet portion 22 is formed. The outer peripheral edge is provided with a plurality of spine pockets 221, and each of the spine pockets 221 is a circular arc slot, and each of the spine pockets 221 is further provided with a cylindrical pivoting portion 222, and the combined rocking portion of the tubular member 20 22, respectively, a cylindrical abutting portion 223 is disposed adjacent to each of the ratchet pockets 221; each of the spinous blocks 30 has a pivoting portion 31 and a locking portion 32, and the pivoting portion 31 has a a circular arc surface 311, and a ratchet pivot portion 312 is disposed on each side of the pivoting portion 31, and the locking portion 32 of each of the ratchet blocks 30 has a ratchet abutting portion 321 , the ratchet pivoting portion 312 on one side of each of the ratchet blocks 30 is pivotally coupled to the tubular member pivoting portion 222 of the tubular member 20 , and the respective ratchet blocks 30 are The pivoting portion 31 is received in each of the spine pockets 221 of the tubular member 20, and the arcuate surface 311 of the pivoting portion 31 abuts against the bottom of each of the spine pockets 221, and the respective spines 30 The locking portion 32 can be coupled to the ratchet A1 of the hub shell A for one-way meshing; and each of the elastic members 40 is respectively abutted against the cylindrical abutting portion 223 of the tubular member 20; And between the ratchet abutting portions 321 of the spine block 30, the respective resilient members 40 are located between the respective ratchet blocks 30 and the tubular member 20, and the respective resilient members 40 are normally pushed outwardly against the spines. The locking portion 32 of the block 30, and the pivoting portion 31 of each of the ratchet blocks 30 are more reliably received in the respective ratchet pockets 221; and the fixing member 50 is provided corresponding to each of the ratchet pivoting portions 312 a fixing member pivoting portion 51 covering the coupling ratchet portion 22 of the cylindrical member 20 and being locked and fixed by a plurality of locking members 52, and the spine on the other side of the pivoting portion 31 of the ratchet member 30 The block pivoting portion 312 is pivotally coupled to the fastener pivoting portion 51 of the fixture 50.

The cylindrical abutting portion 223 and the ratchet abutting portion 321 in this embodiment may each be a planar structure, or as shown in FIG. 4, the cylindrical abutting portion 223 is a groove 223A, and the spine The block abutting portion 321 is a flat surface 321A, and one end of the resilient member 40 is received in the recess 223A, and the other end is abutted against the flat surface 321A; as shown in FIG. 5, the tubular member can also be The abutting portion 223 is a recess 223A, and the ratchet abutting portion 321 is a stud 321B, and one end of the resilient member 40 is received against the recess 223A, and the other end is inserted against the recess 223A. The protrusion 321B; the bracket abutting portion 223 is a groove 223A, and the ratchet abutting portion 321 is provided with a ring groove 321D on a convex portion 321C. One end of the abutting member 40 is disposed to abut against the recess 223A, and the other end is received by the ring recess 321D; further, as shown in FIG. 7, the abutting portion 223 is a recess. 223A, and the ratchet abutting portion 321 is a ring groove 321E disposed directly on the locking portion 32, and one end of the resilient member 40 is received against the groove 223A, and the other end is received by the 223A. Arrive In the ring groove 321E; and the shape of the elastic member 40 is not limited to the ring type spring of the above embodiments, and the shape of the elastic member 40 can also be the elastic piece as shown in FIG. 40A, and the tubular abutting portion 223 is a groove 223A, and the ratchet abutting portion 321 is a groove 321F, the two ends of the elastic piece 40A respectively abut against the cylindrical abutting portion 223 and the ratchet block The same effect can be achieved by the abutting portion 321; in addition, please refer to the figures 10-10 in the schematic diagram of the 10-10 cross-section in FIG. 9, and the cylindrical member pivoting portion 222 is a circular groove in this embodiment. 222A, the spine pivoting portion 312 is a circular protrusion 312A integrally formed on the spine block 30, and the fixing member pivoting portion 51 is a circular through hole 51A. As shown in FIG. 10, the two sides of the ratchet block 30 are The circular protrusion 312A can be pivotally coupled to the circular groove 222A of the cylindrical member 20 and the circular through hole 51A of the fixing member 50. Alternatively, as shown in FIG. 11, the cylindrical member pivoting portion 222 can be The circular groove 222A, the fixing member pivoting portion 51 is a circular through hole 51A, and the ratchet pivoting portion 312 includes a through hole 312B formed in the pivoting portion 31 of the spine 30 to cooperate with a pivot 312C, the pivot 312C Passing through the through hole 312B and exposing At both ends, both ends of the pivot 312C can be pivotally coupled to the circular groove 222A of the tubular member 20 and the circular through hole 51A of the fixing member 50; more preferably, as shown in Fig. 12, the cylindrical member The pivoting portion 222 is a circular protrusion 222B, the ratchet pivoting portion 312 is a circular groove 312D integrally formed on the spine block 30, and the fixing member pivoting portion 51 is a circular convex column 51B, as shown in FIG. The circular groove 312D on both sides of the ratchet block 30 can be pivotally coupled to the circular protrusion 222B of the cylindrical member 20 and the rounded protrusion 511B of the fixing member 50.

The above is the structural relationship of the flower hub ratchet cylinder with the pivotal position of the hub, and in use, when the hub shell A rotates in the forward direction, the ratchet A1 of the hub shell A can be with the ratchet block 30 of the ratchet cylinder. Engaging, the hub shell A can drive the ratchet cylinder to rotate, and the bicycle wheel can also be rotated to advance, and the normal thrust of the ratchet block 30 between the ratchet block 30 and the coupling ratchet portion 22 is set. The member 40, so that each of the resilient members 40 can push the ratchet block 30 out so that the ratchet blocks 30 are normally in an engageable state, thereby ensuring the certainty of the ratchet block 30 engaging the hub shell A; When the hub shell A is driven to rotate in the opposite direction, the ratchet teeth A1 of the hub shell A press down the ratchet blocks 30 of the ratchet cylinder, and the ratchet blocks 30 compress the elastic members 40 and pivot the respective ratchet blocks 30. The swinging portion 31 pivots with respect to each of the ratchet pockets 221 to smoothly complete the pivoting motion. In this state, the ratchet teeth A1 of the hub shell A and the ratchet block 30 cannot be engaged, so that the hub shell A is idling, and each time After the pressing operation of the ratchet 30 is completed, the elastic member 40 between the ratchet 30 and the coupling ratchet portion 22 is reset, so that the ratchet blocks 30 can be normally returned to the The state in which the hub shell A is engaged improves the engagement certainty between the inventive ratchet barrel and the hub shell A; and since each of the ratchets 30 of the present invention is passed through the barrel pivoting portion 222 and the ratchet pivot portion 312 The pivoting portion 222 and the spine pivoting portion 312 provide the ability for each of the spines 30 to pivot and position. The tubular pivoting portion 222 and the spine pivoting portion 312 are not used Fatigue or displacement can ensure that each of the spines 30 is in the correct position, and indeed provides the ability and stability of the ratchet; likewise, since the tubular pivoting portion 222 and the spine pivoting portion 312 are not fatigued or moved The problem of aging or structural aging can therefore extend the life of the ratchet.

"Knowledge Technology"

10‧‧‧ratchet

11‧‧‧thorn

12‧‧‧C-ring buckle

"This Creation"

20‧‧‧Clocks

21‧‧‧ end face

22‧‧‧ Combined with the spine

221‧‧‧thorn block

222‧‧ ‧ tubular pivoting

222A‧‧‧round groove

222B‧‧‧ Round Bumps

223‧‧‧Clock parts

223A‧‧‧ Groove

30‧‧‧thorn

31‧‧‧ pivoting

311‧‧‧Arc surface

312‧‧‧Buckling pivot

312A‧‧‧round stud

312B‧‧‧through hole

312C‧‧‧ pivot

312D‧‧‧round groove

32‧‧‧Card Department

321‧‧‧thorn block abutment

321A‧‧ plane

321B‧‧‧Bump

321C‧‧‧ convex

321D‧‧‧ ring groove

321E‧‧‧ ring groove

321F‧‧‧ groove

40‧‧‧Balls

40A‧‧‧Shrap

50‧‧‧Fixed parts

51‧‧‧Fixed parts

51A‧‧‧round through hole

51B‧‧‧round stud

52‧‧‧Locking parts

A‧‧‧ hub shell

A1‧‧‧ ratchet

Figure 1 is a schematic view of a conventional hub hub ratchet.

Fig. 2 is a schematic exploded view showing the structure of the ratchet ratchet cylinder with the hub sleeve with the pivotal position of the hub.

Fig. 3 is a schematic view of the flower hub ratchet cylinder with the hub shell with the pivotal set bitbend.

Fig. 4 is a sectional view showing the combination of a flower hub ratchet cylinder having a pivotal set of ratchets combined with a hub shell.

Fig. 5 is a partially enlarged cross-sectional view showing a combination of a ratchet ratchet cylinder with a hub-set ratchet block and a hub shell, and an embodiment in which the ratchet abutment portion is a stud.

Fig. 6 is a partially enlarged cross-sectional view showing a combination of a ratchet ratchet cylinder having a hub-set ratchet block combined with a hub shell, and an embodiment in which the ratchet abutting portion is a convex portion engaging ring groove.

Fig. 7 is a partially enlarged cross-sectional view showing a combination of a ratchet ratchet cylinder having a pivotal set of ratchets combined with a hub shell, and an embodiment in which the ratchet abutting portion is a loop groove.

Fig. 8 is a partially enlarged cross-sectional view showing the combination of the flower hub ratchet cylinder with the hub-set ratchet block and the hub shell, and is an embodiment of the elastic sheet.

Fig. 9 is a schematic view showing the appearance of a combined end face of a flower hub ratchet having a pivotal set bit.

Figure 10 is a partial cross-sectional structural view taken along line 10-10 of Figure 9 And the pawl pivoting portion is a rounded column and a tubular member integrally formed on the spine block The knot is a circular groove, and the pivoting portion of the fixing member is a circular through hole.

Figure 11 is a partial cross-sectional structural view taken along line 10-10 of Figure 9, and the pivotal portion of the ratchet is a through hole with a pivot, the pivoting portion of the tubular member is a circular groove, and the pivoting portion of the fixed member It is an implementation of a circular through hole.

Figure 12 is a partial cross-sectional structural view taken along line 10-10 of Figure 9, and the pivotal portion of the spine is a circular groove integrally formed on the spine, and the pivoted portion of the tubular member is a circular projection, and The pivoting portion of the fixing member is an embodiment of the rounded stud.

20‧‧‧Clocks

21‧‧‧ end face

22‧‧‧ Combined with the spine

221‧‧‧thorn block

222‧‧ ‧ tubular pivoting

223‧‧‧Clock parts

30‧‧‧thorn

31‧‧‧ pivoting

311‧‧‧Arc surface

312‧‧‧Buckling pivot

32‧‧‧Card Department

321‧‧‧thorn block abutment

40‧‧‧Balls

50‧‧‧Fixed parts

51‧‧‧Fixed parts

52‧‧‧Locking parts

A‧‧‧ hub shell

A1‧‧‧ ratchet

Claims (10)

A flower hub ratchet cylinder having a pivotal setting bitbuckle can be used with a bicycle flower hub shell having a plurality of ratchet teeth on the inner circumferential surface, and the flower hub ratchet cylinder comprises: a cylindrical piece, and a ratchet piece is arranged on the outer circumference a groove, and the tubular block receiving groove is provided with a cylindrical pivoting portion, and the tubular member is further provided with a cylindrical abutting portion; a ratchet block having a pivoting portion and a locking portion, the pivoting portion A ratchet pivoting portion is respectively disposed on the two sides, and the locking portion has a ratchet abutting portion, and the spine block is received by the pivoting portion in the spine pocket and pivoted on one side of the spine block The pivoting portion is pivotally coupled to the pivoting portion of the tubular member, and the engaging portion is coupled to the ratcheting of the hub shell to be unidirectionally engaged; and a resilient member abuts against the abutting portion of the tubular member and the ratchet Abutting portion, and the elastic member is normally pushed outwardly against the locking portion; and a fixing member covering the cylindrical member and providing a fixing member pivoting portion corresponding to the pivoting portion of the ratchet block, and The spine pivoting portion on the other side of the pivoting portion is pivotally coupled to the fixing member pivoting portion and is fixed to the tubular member by a plurality of locking members. The flower hub ratchet barrel having a pivot-set ratchet block according to claim 1, wherein the spine block groove is a circular arc groove, and the pivot portion has a circular arc surface, and the spine block The circular arc surface abuts against the bottom of the groove of the spine; the abutting portion of the tubular member is a groove, and the abutting portion of the ratchet is flat, and one end of the elastic member is received in the groove. The other end is against the plane. The flower hub ratchet barrel having a pivotal positional ratchet according to claim 1, wherein the abutting portion of the tubular member is a groove, and the abutting portion of the ratchet member is a protruding post, the spring is abutted One end of the piece is placed against the groove, and the other end is received by the protrusion. column. The flower hub ratchet barrel with a pivot-set ratchet block according to the first aspect of the invention, wherein the abutting portion of the tubular member is a groove, and the ratchet abutting portion is provided with a ring groove on a convex portion. One end of the elastic member is placed against the groove, and the other end is received against the groove of the ring. The flower hub ratchet barrel with a pivot-set ratchet block according to claim 1, wherein the abutting portion of the tubular member is a groove, and the ratchet abutting portion directly defines a ring-shaped recess on the locking portion. The slot is disposed at one end of the resilient member against the recess and the other end is received in the recess of the ring. The flower hub ratchet barrel with a pivot-set ratchet as described in claim 1, wherein the abutting portion of the tubular member is a groove, and the abutting portion of the ratchet member is a groove, and two of the resilient members are The ends are respectively biased against the cylindrical abutting portion and the ratchet abutting portion. The flower hub ratchet cylinder having a pivot-set ratchet block according to claim 1, wherein the cylindrical member abutting portion and the ratchet abutting portion are respectively planar structures. The flower hub ratchet barrel having a pivotal positional ratchet according to claim 1, wherein the tubular member pivoting portion is a circular groove, and the spine block pivoting portion is integrally formed on the spine block. The circular protrusion is a circular through hole, and the circular protrusions on both sides of the ratchet are pivotally coupled to the circular groove of the cylindrical member and the circular through hole of the fixing member. The flower hub ratchet barrel having a pivotal set bite according to claim 1, wherein the pivoting portion of the tubular member is a circular groove, and the pivoting portion of the fixing member is a circular through hole, and the spine pivot The knot includes a through hole formed in the pivot portion and a pivot a shaft, the pivot shaft is disposed in the through hole and exposed at both ends, and both ends of the pivot shaft are pivotally coupled to the circular groove of the cylindrical member and the circular through hole of the fixing member. The flower hub ratchet barrel with a pivot-set ratchet block according to the first aspect of the invention, wherein the pivoting portion of the tubular member is a circular protrusion, and the pivotal portion of the spine is integrally formed on the spine. a groove, and the fixing member pivoting portion is a circular protrusion, and the circular groove on both sides of the ratchet block is pivotally coupled to the circular protrusion of the cylindrical member and the circular protruding column of the fixing member.