TWM544422U - Hub structure with gap filling mechanism - Google Patents

Description

Flower hub structure with gap compensation effect

The present invention relates to a technical field of bicycle hubs, particularly a flower hub structure having a gap compensation effect (gap compensation mechanism).

A typical 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 a plurality of ratchet blocks are disposed on the periphery of the ratchet cylinder to fit the ratchet teeth of the one-way clamping hub shell, and the bearing sleeve is disposed between the mandrel and the components to assist the components to be smooth Turn.

The hub body and the ratchet cylinder are separate members, and the radial direction of the two is coupled by the engagement of the ratchet and the ratchet, and the spindle passes through the hub and the bearing inside the ratchet cylinder, so that the hub The hub body and the ratchet cylinder are formed in a form of being positioned on the mandrel, but the hub body is still separated from the axial direction of the ratchet cylinder, so that when the hub body and the ratchet cylinder rotate, rotation instability occurs. situation.

Taiwan Patent No. I492862 discloses a bicycle hub. The prior invention discloses that a protruding abutting portion can be formed on the mandrel, and the abutting portion abuts the Palin (bearing); and the abutting portion can be an annular sleeve for being placed in the heart The shaft is used to abut the Palin (bearing). The two ends of the annular sleeve are respectively capable of corresponding to the bearing in the ratchet cylinder and the bearing in the hub body. However, the annular bushing does not form a joint with the ratchet cylinder, so the ring set is stable after installation. Poor sex.

Taiwan Patent No. M455631 discloses a rear flower hub structure. The technical content of the prior patent discloses that one end of the ratchet cylinder is covered at one end of the hub body, and a bearing is disposed at a position where the hub body covers the ratchet cylinder, thereby generating the hub body and the ratchet cylinder. When rotated relatively, it can have a stable rotation effect.

The purpose of the present invention is to provide a flower hub structure with a gap compensation effect, which has the ability to eliminate the axial gap between the hub body and the ratchet cylinder, thereby making the relative rotation of the hub body and the ratchet cylinder more stable.

In order to achieve the above object, the flower hub structure disclosed in the present invention is used for combining a mandrel, comprising: a flower hub body, the axial direction is a channel of a hollow structure, a transmission space is formed at one end of the channel; a ratchet cylinder, One end of the drive block has a transmission block for inserting into the transmission space; a hub bearing is mounted in the passage of the hub body, the hub bearing is adjacent to the transmission space; a gap is formed in the a hub bearing is disposed between the end face of the transmission block; a gap compensation component is disposed between the hub bearing and the transmission block of the ratchet barrel; wherein the gap compensation component passes through the gap, and one end of the gap compensation component is used The hub bearing is contacted, and the other end of the gap compensation assembly contacts the transmission block.

Thus, the transmission block and the hub bearing form a joint state with the gap compensation assembly to configure the axial direction of the spindle, thereby making the rotation of the ratchet cylinder and the hub body more stable.

10‧‧‧flower hub

12‧‧‧ channel

14‧‧‧ Transmission space

20‧‧‧ratchet

22‧‧‧Transport block

30‧‧‧ mandrel

40‧‧‧flower hub bearing

50‧‧‧ gap

60‧‧‧Gap compensation components

62‧‧‧First bearing

64‧‧‧second bearing

66‧‧‧One-piece double-sided bearing

68‧‧‧Beads

70‧‧‧First bushing

72‧‧‧Second bushing

Figure 1 is an appearance of the creation.

Figure 2 is a schematic diagram of the combined structure of the present creation.

Figure 3 is a schematic diagram showing the structure and configuration state of the first embodiment of the present invention.

Figure 4 is a schematic view showing the structure and configuration state of the second embodiment of the present invention.

Fig. 5 is an external view showing the structure of the third embodiment of the present invention, in combination with the mandrel and the corresponding hub bearing.

Figure 6 is a schematic view showing the structure of the third embodiment of the present invention, in combination with the mandrel and the corresponding hub bearing.

Figure 7 is a schematic view showing the structure of the third embodiment of the present invention and the configuration of the ratchet cylinder of the hub body.

Figure 8 is a schematic enlarged view showing the structure of the third embodiment of the present invention and the configuration of the ratchet cylinder of the hub body.

Referring to Figure 1, a hub body 10, a ratchet barrel 20 and a mandrel 30 are disclosed. The mandrel 30 passes through the hub body 10 and the axial direction of the ratchet barrel 20 such that the mandrel 30 can pass through various members mounted to the hub body 10 and the inside of the ratchet barrel 20. In addition, the mandrel 30 is for mounting on a bicycle frame (not shown).

Referring to FIG. 2, the hub body 10 has a channel 12 in a hollow configuration in the axial direction. A transmission space 14 is formed at one end of the passage 12. One end of the ratchet cylinder 20 has a transmission block 22, and the transmission block 22 is used to penetrate the transmission space 14. A hub bearing 40 is mounted within the passage 12 of the hub body 10. In particular, the hub bearing 40 is adjacent to the transmission space 14.

Further, the outer surface of the transmission block 22 has a plurality of ratchet blocks for engaging the transmission The ratchet portion of the inner wall surface of the movable space 14 allows the ratchet cylinder 20 to drive the hub body 10 to rotate. In addition, a transmission ring having a ratchet portion can be mounted in the transmission space 14, and the ratchet block on the outer surface of the transmission block 22 can be engaged with the ratchet portion of the transmission air ring, so that the ratchet cylinder 20 can also be driven. The hub body 10 produces a rotating effect. The above-described transmission mechanism of the ratchet cylinder 20 and the hub body 10 is of a known construction.

Referring to FIGS. 2 and 3, a gap 50 is formed between the hub bearing 40 and the end face of the transmission block 22.

The ratchet cylinder 20 and the hub body 10 are separate members, and the ratchet cylinder 20 can drive the hub body 10 to rotate, and can form an idle motion relative to the hub body 10, for example, when the ratchet cylinder 20 rotates in the reverse direction. The hub body 10 does not produce reverse rotation; or the ratchet cylinder 20 does not rotate when the bicycle travels, the hub body 10 continues to rotate; therefore, the transmission block 22 of the ratchet cylinder 20 engages the hub with the use of a ratchet block Outside the ratchet portion of the body 10, the gap 50 between the hub bearing 40 and the end face of the drive block 22 allows the hub body 10 and the ratchet barrel 20 to smoothly rotate relative to each other.

However, the hub body 10 and the ratchet cylinder 20 are separate members, and the ratchet cylinder 20 is configured to transmit torque and drive the hub body 10 to rotate, so that the hub body 10 can be matched with the hub bearing 40 and the The mandrel 30 is coupled, and the ratchet barrel 20 can be coupled to the mandrel 30 in conjunction with a suitable bearing, but the presence of the gap 50 can still result in an unstable state when the ratchet barrel 20 and the hub body 10 are rotated.

Referring to Figures 2 and 3, in order to solve the aforementioned problems, the present invention includes a gap filling member 60. The gap compensation assembly 60 is disposed between the hub bearing 40 and the transmission block 22 of the ratchet barrel 20. In particular, one end of the gap compensation component 60 is used In contact with the hub bearing 40, the other end of the gap compensation assembly 60 contacts the transmission block 22 through the gap 50. Further, one end of the gap compensation component 60 can be mounted inside the transmission block 22, and the other end of the gap compensation component 60 abuts against an end surface of the hub bearing 40 through the gap 50. In addition, the mandrel 30 also passes through the gap compensation assembly 60.

Since the transmission block 22 is combined with the gap compensation component 60, one end of the gap compensation component 60 contacts (again) an end surface of the hub bearing 40 through the gap 50, so that the ratchet cylinder 20 can be effectively reduced. The hub body 10 is relatively skewed when rotated, and effectively reduces the relative rotational instability of the ratchet cylinder 20 and the hub body 10.

Referring to FIG. 3 again, the gap compensation assembly 60 includes a first bearing 62 and a second bearing 64. The first bearing 62 and the second bearing 64 are mounted in a juxtaposed manner inside the transmission block 22. A portion of the second bearing 64 projects further from the end face of the transmission block 22 and extends through the gap 50 for abutting against the end face of the hub bearing 40.

Referring to FIG. 4, the gap compensation assembly 60 is a one-piece, double-sided bearing 66. The one-piece double-sided bearing 66 has two ball portions 68. And the ball portion 68 is located in the axial direction of the single-piece double-sided bearing 66. A portion of the one-piece, double-sided bearing 66 projects out of the drive block 22 and extends through the gap 50 against the end face of the hub bearing 40.

Referring to FIGS. 5 and 6, the gap compensation assembly 60 is a combination of a first sleeve 70 and a second sleeve 72. The axial length of the first sleeve 70 is greater than the axial length of the second sleeve 72, and the first sleeve 70 passes through the axial inner portion of the second sleeve 72. The mandrel 30 passes through the axially inner portion of the first bushing 70 and the axially inner portion of the hub bearing 40. One end of the first sleeve 70 abuts against an end surface of the hub bearing 40. Further, the second sleeve 72 is a self-drying type bearing.

Please refer to FIGS. 7 and 8 for the combined installation of the first sleeve 70 and the second sleeve 72. Inside the transmission block 22. A portion of the first bushing 70 projects out of the transmission block 22 and extends through the gap 50 against the end face of the hub bearing 40.

The gap compensation assembly 60 disclosed in the above embodiment extends through the gap 50 between the transmission block 22 and the hub bearing 40 by one end thereof, and the one end of the gap compensation assembly 60 is brought into contact with the hub bearing 40 to reach The transmission block 22 is coupled to the hub bearing 40 for arranging the axial direction of the spindle 30, thereby further stabilizing the rotation of the ratchet barrel 20 and the hub body 10.

The above embodiments are merely illustrative of the techniques of the present invention and their effects, and are not intended to limit the present invention. Anyone skilled in the art can modify and change the above embodiments without violating the technical principles and spirit of this creation. Therefore, the scope of protection of this creation should be as listed in the patent application scope mentioned later.

10‧‧‧flower hub

12‧‧‧ channel

14‧‧‧ Transmission space

20‧‧‧ratchet

22‧‧‧Transport block

30‧‧‧ mandrel

40‧‧‧flower hub bearing

50‧‧‧ gap

60‧‧‧Gap compensation components

Claims (6)

A flower hub structure with a gap compensation effect is used for combining a mandrel, comprising: a flower hub body, the axial direction is a channel of a hollow structure, a transmission space is formed at one end of the channel; a ratchet cylinder, one end Having a transmission block for penetrating the transmission space; a hub bearing mounted in the passage of the hub body, the hub bearing adjacent to the transmission space; a gap formed in the hub Between the bearing and the end face of the transmission block; a gap filling member disposed between the hub bearing and the transmission block of the ratchet barrel; wherein the gap compensation component passes the gap, the gap compensation One end of the assembly is for contacting the hub bearing, and the other end of the gap compensating assembly contacts the transmission block. The flower hub structure with a gap compensation effect according to claim 1, wherein one end of the gap compensation component is installed inside the transmission block, and the other end of the gap compensation component passes through the gap and abuts the hub bearing End face. A flower hub structure having a clearance compensation effect according to claim 1 or 2, wherein the gap compensation assembly comprises a first bearing and a second bearing, the first bearing being juxtaposed with the second bearing and mounted on Inside the transmission block, a portion of the second bearing protrudes from the transmission block and extends through the gap against an end surface of the hub bearing. The flower hub structure with a gap compensation effect according to claim 1 or 2, wherein the gap compensation component is a single-piece double-parallel bearing, and the single-piece double-parallel bearing has two ball portions, The ball portion is located in the axial direction of the single-piece double-parallel bearing, and a part of the single-piece double-sided bearing The drive block is protruded and extends through the gap against the end face of the hub bearing. The flower hub structure with a gap compensation effect according to claim 1 or 2, wherein the gap compensation component is a combination of a first sleeve and a second sleeve, and the axial length of the first sleeve Larger than the axial length of the second sleeve, the first sleeve passes through the axial inner portion of the second sleeve, and the combination of the first sleeve and the second sleeve is mounted inside the transmission block, A portion of the first bushing projects from the drive block and extends through the gap against the end face of the hub bearing. The flower hub structure with the gap compensation effect as described in claim 5, wherein the second sleeve is a self-drying type bearing.