TWI551476B - Competitive bicycle hub means and the clutch slider - Google Patents

Description

Competitive bicycle drum device and its clutch slider

The invention is applied to the technical field of bicycles, in particular to a flower drum device of a competitive bicycle and a clutch slider thereof.

Generally, when riding a competitive bicycle, a general user needs greater maneuverability and variability. Therefore, in many components and assembly of an competitive bicycle, it is necessary to adjust and change with the rider's usage habits, such as a hub device setting. The position is one of the important changes, but the conventional flower drum device is installed on the skeleton of the competitive bicycle. In order to match the chain to the left or right position of the skeleton, the required direction of the clutch slider is different. The bicycle manufacturer needs to separately produce a clutch slider in the direction of the left-hand thread and a clutch slider in the direction of the right-hand thread, so as to select a left-hand or right-hand thread clutch slider according to the needs of the rider, and then assemble it onto the skeleton of the bicycle. However, the cost of manufacturing the bicycle industry is increased, and it is not necessary to change the direction of assembly, which causes assembly and manufacturing problems.

The inventors of the present invention have invented the present invention in view of the above-mentioned conventional use of the hub device of the competitive bicycle and the clutch slider thereof, which have the disadvantages of inconvenient assembly and increased manufacturing cost.

The main object of the present invention is to provide a hub device for a competitive bicycle and a clutch slider thereof, which can be applied to the hub of two assembly modes by the same clutch slider. The device is easy to assemble and reduces the cost of the product.

In order to achieve the foregoing object, the technical means used in the present invention is to provide a hub device for an athletic bicycle, which comprises a mandrel, a clutch slider, a hub body, an inner ring and a transmission member. a first thread segment and a second thread segment are respectively disposed at the two ends of the mandrel, and a connecting portion is formed between the first thread segment and the second thread segment, and the clutch slider is sleeved on the outer circumference of the connecting portion of the spindle, and a first linking portion is formed on the outer circumference of one end of the clutch thread in the direction of the first thread segment, and a through hole is formed through the center of the clutch slider. The clutch slider is formed with a double thread on the inner wall surface of the side of the punching hole with respect to the first linking portion. The segment and the double-threaded thread segment respectively comprise a left-handed thread and a right-handed thread, and the double-threaded thread segment is a thread of two or more threads, the hub body is sleeved at the connecting portion of the mandrel, and the clutch slider is located at the mandrel and the hub body. The inner ring is sleeved between the first linkage portion of the clutch slider and the hub body, and the inner ring is fixed to the hub body, and a second linkage portion is formed on the outer circumference, and the first linkage portion of the clutch slider can be interlocked The second linking portion rotates, the transmission member is sleeved on the outer circumference of the mandrel, and one end of the gear is provided with a toothed disc, and the other end is provided with a third thread segment, and the third thread segment of the transmission member is engaged with the double threaded portion of the clutch slider.

In an embodiment of the invention, the drum device of the competitive bicycle, wherein the double threaded section is a six-thread thread.

In an embodiment of the present invention, the drum device of the competitive bicycle, wherein the first linking portion of the clutch slider is a first tapered surface that is tapered, and the second linking portion of the inner ring is a second inclined surface.

In an embodiment of the present invention, the drum apparatus of the competitive bicycle, wherein the third threaded section is a left-handed thread or the third threaded section is a right-handed thread.

In an embodiment of the invention, the above-mentioned drum device of the competitive bicycle, Wherein the transmission member has a first bearing between one end of the toothed disc and the mandrel.

In an embodiment of the present invention, the drum device of the competitive bicycle further includes a limiting member, the limiting member is sleeved on the mandrel, and adjacent to the clutch slider is away from one end of the first linking portion, and the limit is The outer diameter of the piece is larger than one of the adjacent ends of the clutch slider.

In an embodiment of the present invention, the drum device of the competitive bicycle, wherein a second bearing and a third bearing are respectively disposed at two ends of the hub body, and the second bearing is disposed between the hub body and the transmission member, and The three bearings are arranged between the hub body and the mandrel.

In an embodiment of the present invention, the drum device of the competitive bicycle further includes a first fastener and a second fastener, and the first fastener is locked to the first thread segment to be pressed against the first bearing. The second fastener is locked to the second thread segment to be forced against the third bearing.

In order to achieve the foregoing object, the technical method of the present invention is to provide a clutch slider for an competitive bicycle, which comprises a first linking portion formed on one outer periphery and a through hole formed in the center of the clutch slider. A double threaded section is formed on the inner wall surface of the one side of the perforation relative to the first linking portion, and the double threaded thread segments respectively comprise a left-handed thread and a right-handed thread, and the double-threaded section is a thread of two or more threads.

In an embodiment of the present invention, the clutch slider of the above competitive bicycle, wherein the double threaded section is a six-thread thread.

In an embodiment of the present invention, the clutch slider of the competitive bicycle, wherein the first linking portion is a first inclined surface that is tapered.

10‧‧‧ mandrel

11‧‧‧First thread segment

12‧‧‧Second thread segment

13‧‧‧Connecting Department

20, 200‧‧‧ clutch slider

21, 210‧‧‧ first slope

22‧‧‧Perforation

23, 240‧‧‧ double threaded section

230‧‧‧left-hand thread

231‧‧‧Right thread

30, 300‧‧‧ hub

40, 400‧‧‧ Inner Ring

41‧‧‧Second slope

50, 500‧‧‧ transmission parts

51, 510‧‧ ‧ toothed disc

52, 520‧‧‧ third thread segment

60‧‧‧Limited parts

70‧‧‧First fastener

80‧‧‧Second fasteners

91‧‧‧First bearing

92‧‧‧second bearing

93‧‧‧ Third bearing

P‧‧‧ gap

Fig. 1 is a perspective view showing a first embodiment of the present invention.

Fig. 2 is a perspective exploded view of the first embodiment of the present invention.

Figure 3 is a cross-sectional view showing a first embodiment of the present invention.

Figure 4 is a schematic end view of the clutch slider of the present invention.

Figure 5 is a perspective cross-sectional view of the clutch slider of the present invention.

Fig. 6 is a schematic cross-sectional view showing the action of the pedal in the first embodiment of the present invention.

Fig. 7 is a cross-sectional view showing the action of the pedal in the first embodiment of the present invention when the pedal is stopped.

Figure 8 is a perspective exploded view of a second embodiment of the present invention.

Figure 9 is a cross-sectional view showing the action of the pedal in the second embodiment of the present invention.

Fig. 10 is a cross-sectional view showing the action of the pedal in the second embodiment of the present invention when the pedal is stopped.

As shown in FIG. 1 to FIG. 3 , it is a first embodiment of the competitive bicycle hub device of the present invention, which comprises a mandrel 10 , a clutch slider 20 , a hub body 30 , an inner ring 40 , and a The transmission member 50, a limiting member 60, a first fastener 70 and a second fastener 80.

The mandrel 10 is respectively provided with a first thread segment 11 and a second thread segment 12 at both ends, and a connecting portion 13 is formed between the first thread segment 11 and the second thread segment 12.

The clutch slider 20 is sleeved on the outer circumference of the connecting portion 13 of the mandrel 10, and a first linking portion is formed on the outer peripheral surface of the clutch slider 20 toward one end of the first thread segment 11 , and the first linking portion is tapered. The first inclined surface 21 and the center of the clutch slider 20 are formed with a through hole 22, and as shown in FIGS. 4 and 5, the clutch slider 20 is formed on the inner wall surface of the side of the through hole 22 with respect to the first inclined surface 21. There is a double threaded section 23, wherein the double threaded section 23 respectively includes a left-handed thread 230 and a right-handed thread 231, and the double-threaded section 23 is a thread of two or more lines, especially six lines are the best, most The efficiency of the movement of the clutch slider 20 can be improved.

The hub body 30 is sleeved on the outer periphery of the connecting portion 13 of the mandrel 10 and the clutch slider 20, and the clutch slider 20 is located between the mandrel 10 and the hub body 30.

The inner ring 40 is sleeved between the first inclined surface 21 of the clutch slider 20 and the hub body 30, and the inner ring 40 is fixed to the hub body 30, and a second linkage portion is formed on the outer circumference, and the second linkage portion cooperates with the first slope portion. 21 is formed with a second slope 41.

The transmission member 50 is sleeved on the outer circumference of the mandrel 10, and has a toothed disc 51 at one end and a third threaded section 52 at the other end. The third threaded section 52 is changed in the direction in which the hub body 30 is mounted. For example, this embodiment The toothed disc 51 is located to the right of the hub body 30, and the third threaded section 52 is right-handed. Otherwise, as shown in FIG. 8, the toothed disc 510 is located to the left of the hub body 300, and the third threaded section 520 is left-handed. To the thread. The transmission member 50 has a first bearing 91 between one end of the toothed disc 51 and the mandrel 10, and the third threaded portion 52 of the transmission member 50 is engaged with the double threaded section 23 of the clutch slider 20.

The limiting member 60 is sleeved on the mandrel 10 and adjacent to the clutch slider 20 away from the first inclined surface 21 , and the outer diameter of the limiting member 60 is greater than one end of the clutch slider 20 .

In addition, a second bearing 92 and a third bearing 93 are respectively disposed at two ends of the hub body 30, and the second bearing 92 is disposed between the hub body 30 and the transmission member 50, and the third bearing 93 is disposed on the hub body 30. Between the mandrel 10.

The first fastener 70 is locked to the first thread segment 11 to be pressed against the first bearing 91, and the second fastener 80 is locked to the second thread segment 12 to be forced against the third bearing 93.

Referring to FIG. 5 and FIG. 6, when the pedal drives the chain (not shown) to rotate the toothed disc 51 of the interlocking transmission member 50, the third threaded portion 52 is rotated, and the third thread segment 52 is rotated. Engaging the right-handed thread with the right-handed thread 231 of the double-threaded section 23 of the clutch slide 20 The first inclined surface 21 of the movable clutch slide 20 is pressed against the second inclined surface 41 of the inner ring 40, and a gap P is formed between the clutch slide 20 and the limiting member 60, and the inner ring 40 and the hub body are sequentially linked. 30 rotation, the effect of interlocking the hub body 30 rotation.

As shown in FIG. 7, when the pedal does not move and the toothed disc 51 of the transmission member 50 stops rotating, the third thread segment 52 also stops rotating, and the clutch slider 20 continues to rotate under the influence of inertia. Moving along the third threaded section 52 in the direction of the limiting member 60 via the double threaded section 23, so that the first inclined surface 21 of the clutch slider 20 is disengaged from the second inclined surface 41 of the inner ring 40, and the inner ring 40 is The hub body 30 can be idling so that the bicycle can continue to move forward.

As shown in FIGS. 8 and 9, which is a second embodiment of the present invention, when the toothed disc 510 of the transmission member 500 is located to the left of the hub body 300, all of the components are compared with the first embodiment. The assembly direction is reversed, and the third threaded section 520 of the transmission member 500 is a left-handed thread, whereby the same clutch slider can be used regardless of whether the toothed disc 510 is located to the left or right of the hub body 300 (as shown in FIG. 3). 200 to increase the convenience of assembly and reduce the cost of manufacturing.

And as shown in FIG. 9, when the pedal drives the chain (not shown) to rotate, the third threaded portion 520 is left-handed to the left-handed thread 230 of the double-threaded section 240 of the thread and clutch slide 200 (as shown in FIG. 5). Engaging, the clutch slider 200, the inner ring 400, and the hub body 300 can be rotated in sequence.

As shown in FIG. 10, when the pedal is not moving, the transmission member 500 stops rotating, and the first inclined surface 210 of the clutch slider 200 is disengaged from the second inclined surface 410 of the inner ring 400, so that the hub body 300 idles by itself. The same use effect as that of the first embodiment is achieved to facilitate changing the position of the transmission member 500 toothed disc 510 of the competitive bicycle according to the user's habit.

The present invention has been described by the above embodiments and variations, all of which are present in the present invention. The embodiments and variations are merely illustrative and limiting, and various changes to the hub device of the competitive bicycle and its clutch slider including the above features are encompassed by the present invention based on the spirit and scope of the present invention.

10‧‧‧ mandrel

11‧‧‧First thread segment

12‧‧‧Second thread segment

13‧‧‧Connecting Department

20‧‧‧Clutch slider

21‧‧‧First slope

22‧‧‧Perforation

23‧‧‧Multiple thread segments

30‧‧‧The drum body

40‧‧‧ Inner Ring

41‧‧‧Second slope

50‧‧‧ Transmission parts

51‧‧‧ toothed disc

52‧‧‧ third thread segment

60‧‧‧Limited parts

70‧‧‧First fastener

80‧‧‧Second fasteners

91‧‧‧First bearing

92‧‧‧second bearing

93‧‧‧ Third bearing

Claims (10)

A hub device for a competitive bicycle includes: a mandrel having a first threaded section and a second threaded section at each end; and a connection is formed between the first threaded section and the second threaded section a clutch slider, the clutch slider is sleeved on the outer circumference of the connecting portion of the spindle, and the clutch slider forms a first linking portion toward the outer circumference of one end of the first thread segment, and the clutch slider a through hole is formed in the center of the through hole, and the splitting slider is formed with a double threaded thread on the inner wall surface of the side of the through hole relative to the first linking portion, and the double threaded thread segment respectively includes a left-handed thread and a right-handed thread, and the double-threaded thread The threaded section is a thread of two or more threads; a hub body, the hub body is pivotally disposed at the connecting portion of the spindle, and the clutch slider is located between the spindle and the hub body; an inner ring, the inner a ring sleeve is disposed between the first linkage portion of the clutch slider and the hub body, and the inner ring is fixed to the hub body, and a second linkage portion is formed on the outer circumference, and the first portion of the clutch slider is The linkage department can link the first The linkage rotates; and a transmission member is sleeved on the outer circumference of the spindle, and one end is provided with a toothed disc, and the other end is provided with a third thread segment, and the third thread segment of the transmission member is engaged with the clutch The double threaded section of the slider. The hub device of the competitive bicycle of claim 1, wherein the double threaded section is a six-thread thread. The damper device of the competitive bicycle of claim 1, wherein the first linking portion of the clutch slider is a first tapered surface that is tapered, and the second linking portion of the inner ring is a second inclined surface. The hub device of the competitive bicycle according to claim 1, wherein the third thread segment is left-handed Thread or right-handed thread. The drum device of the competitive bicycle according to claim 1, further comprising a limiting member, the limiting member is sleeved on the mandrel, and adjacent to the clutch slider is away from one end of the first linking portion, and the The outer diameter of the limiting member is greater than one of the adjacent ends of the clutch slider. The damper device of the competitive bicycle according to claim 1, wherein a second bearing and a third bearing are respectively disposed at two ends of the hub body, and the second bearing is disposed between the hub body and the transmission member, and The third bearing is disposed between the hub body and the mandrel. The drum device of the competitive bicycle of claim 1, further comprising a first fastener and a second fastener, the first fastener being locked to the first thread segment to be pressed against the first bearing, The second fastener is locked to the second thread segment to be forced against the third bearing. The clutch slider of the competitive bicycle includes a first linking portion formed on the outer circumference of one end, and a through hole is formed through the center of the clutch slider, and the clutch slider is formed on the inner wall surface of the side of the through hole relative to the first linking portion. There is a double threaded section, the double threaded section respectively comprises a left-handed thread and a right-handed thread, and the double-threaded section is a thread of more than two lines. The clutch slider of the competitive bicycle of claim 8, wherein the double threaded section is a six-thread thread. The clutch slider of the competitive bicycle according to claim 8, wherein the first linking portion is a first inclined surface that is tapered.