TWM514408U - Hub device of racing bicycle and clutching slide block thereof - Google Patents

Description

Competitive bicycle drum device and its clutch slider

The author is applied to the technical field of bicycles, especially 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 present creator has the disadvantages of inconvenient assembly and increased manufacturing cost in view of the practical use of the above-mentioned conventional bicycle ring device and its clutch slider, and the creation of the creation is improved.

The main purpose of this creation is to provide a flower drum device for competitive bicycles. The clutch slider can be applied to the hub device of the two assembly modes by the same clutch slider, thereby achieving the convenience of assembly and reducing the cost of the manufacture.

The main purpose of this creation is to provide a competitive bicycle drum device and a clutch slider thereof, which can be respectively applied to the two types of assembly drums by the same clutch slider, thereby achieving assembly convenience and reducing the cost of the production. .

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

In an embodiment of the present invention, the above-mentioned competitive bicycle drum device further includes an inner ring, the inner ring is sleeved between the first inclined surface of the clutch slider and the hub body, and the inner ring is fixed to the hub body, and A second inclined surface is formed on the outer circumference, and the first inclined surface of the clutch slider can rotate the second inclined surface.

In an embodiment of the present invention, the above-mentioned competitive bicycle drum device, wherein the third thread segment is a left-handed thread or a right-handed thread.

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 inclined surface, and the limiting member The outer diameter 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 transmission member has a first end between the one end of the toothed disc and the spindle a bearing, and the first fastener is locked to the first thread segment to be forced 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 above-mentioned creative purpose, the technical means used in the present invention is to provide a clutch slide of an competitive bicycle, which comprises a first inclined surface formed on one end of the outer peripheral surface, and a perforation formed through the center of the clutch slider. The clutch slider is formed with a double threaded thread on the inner wall surface of the side of the through hole relative to the first inclined surface. The double threaded thread segment respectively includes a left-handed thread and a right-handed thread, and the double-threaded section is a thread of two or more lines.

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

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‧‧‧shims

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 of the first embodiment of the present creation.

Fig. 2 is an exploded perspective view showing the first embodiment of the present creation.

Fig. 3 is a cross-sectional view showing the first embodiment of the present creation.

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

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

Fig. 6 is a cross-sectional view showing the action of the first embodiment of the present invention when the pedal is stepped on.

Fig. 7 is a schematic 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 the second embodiment of the present creation.

Fig. 9 is a schematic cross-sectional view showing the action of the second embodiment of the present invention when the pedal is stepped on.

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

As shown in Figures 1 to 3, it is the first in the creation of the competitive bicycle hub. An embodiment includes a mandrel 10, a clutch slider 20, a hub body 30, a spacer 40, a transmission member 50, a limiting member 60, a first fastener 70, and a second fastening. Firmware 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 tapered first inclined surface 21 is formed on the outer peripheral surface of the clutch slider 20 toward one end of the first thread segment 11 and the center of the clutch slider 20 is formed. There is a through hole 22, as shown in FIG. 4 and FIG. 5 at the same time, the clutch slide 20 has a double threaded section 23 formed on the inner wall surface of the side of the through hole 22 with respect to the first inclined surface 21, wherein the double threaded section 23 respectively comprises The left-hand thread 230 and the right-hand thread 231, and the double-threaded thread section 23 are two or more threads, especially the six-wire thread is the best, and the efficiency of the movement of the clutch slider 20 can be improved most.

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 gasket 40 is sleeved between the first inclined surface 21 of the clutch slider 20 and the hub body 30, and the spacer 40 is positioned on the hub body 30, and a second slope 41 is formed on the outer circumference of the first slope 21.

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 One end of 21, and the outer diameter of the limiting member 60 is larger than one end adjacent to 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 threaded portion 23 of the clutch slide 20 to drive the first inclined surface 21 of the clutch slide 20 against the second inclined surface 41 of the spacer 40, and simultaneously making the clutch slider A gap P is formed between the 20 and the limiting member 60, and the spacer 40 and the hub body 30 are rotated in sequence to achieve the effect of rotating the hub body 30.

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 spacer 40, and the spacer 40 is provided. The hub body 30 can be idling so that the bicycle can continue to move forward.

As shown in FIG. 8 and FIG. 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 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 spacer 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 spacer 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 in terms of the above embodiments and variations, and all the embodiments and variations of the present invention are merely illustrative and limiting, and based on the spirit and scope of the present invention, the drum assembly of the competitive bicycle including the above features. Various variations of the clutch slider and its clutch are covered by this creation.

10‧‧‧ mandrel

11‧‧‧First thread segment

12‧‧‧Second thread segment

13‧‧‧Connecting Department

20‧‧‧Clutch slider

21‧‧‧First slope

22‧‧‧Perforation

23‧‧‧Multiple thread section

30‧‧‧The drum body

40‧‧‧shims

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 tapered first slope toward the outer peripheral surface of one end of the first thread segment, and the A through hole is formed in the center of the clutch slider, and the clutch slider is formed with a double threaded thread on the inner wall surface of the side of the through hole relative to the first inclined surface, and the double threaded thread segment respectively includes a left-handed thread and a right-handed thread, and The double-threaded thread segment is a thread of two or more threads; a hub body, the hub body is sleeved on the connecting portion of the spindle, and the clutch slider is located between the spindle and the hub body; a gasket, The gasket is sleeved between the first inclined surface of the clutch slider and the hub body, and the gasket is positioned on the hub body, and a second slope is formed on the outer circumference to cooperate with the first slope surface; and a transmission member The transmission Pivot sleeved on an outer periphery of the mandrel, and one end is provided with a toothed disc, the third other end is provided with a threaded section, the threaded section of the third transmission element of the double track is engaged with the threaded section of the slider of the clutch. The hub device of the competitive bicycle of claim 1, wherein the double threaded section is a six-thread thread. The hub of the competitive bicycle of claim 1, further comprising an inner ring sleeved between the first inclined surface of the clutch slider and the hub body, and the inner ring is fixed to the hub body a second inclined surface is formed on the outer circumference, and the first inclined surface of the clutch slider can be linked The second slope rotates. The hub device of the competitive bicycle of claim 1, wherein the third threaded segment is a left-handed thread or a right-handed thread. The flower 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 inclined surface, and the limit The outer diameter of the bit 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 6, further comprising a first bearing, a first fastener and a second fastener, and the transmission member has a first end of the toothed disc and the spindle a first bearing, the first fastener is locked to the first thread segment to be pressed against the first bearing, and 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.