TWI728299B - Bicycle quick release structure - Google Patents

Abstract

A bicycle quick release structure, comprising a quick release lever, a shaft handle and a pin. The quick release lever has a shaft and an end cover. The shaft is provided with an axial hole along the axial direction. The end cover has a slit and a diameter. A perforation provided in the vertical direction and penetrates the slit, the slit can communicate with the shaft hole; the shaft has a shank and a long slot hole arranged along the axis of the shaft, the shank can pass through the slit The shaft is accommodated in the shaft so that the long slot can correspond to the perforation; after the perforation is penetrated by the pin, the shaft is pulled out from the shaft, and the shaft can be offset by the pin. The shaft does not come out of the long slot hole, and can lean against the cut groove, and the shaft can be driven to rotate by pulling the shaft handle, so that the wheel can be quickly detached or fixed to the fork structure.

Description

Bicycle quick release structure

The invention relates to bicycles; in particular, it refers to a bicycle quick disassembly structure that can be quickly disassembled to remove wheels.

There are many types of bicycles, and the axle-type quick release structure used to pass through the wheel hub and connect to the front fork or rear fork of the frame is also different. Among them, mountain bikes or downhill bikes bear greater impact during riding than road bikes, and relatively require a shaft with higher impact resistance. One end of this type of shaft is usually provided with an outer shaft. The threaded section uses an external threaded section to lock into the screw holes on the front fork or rear fork of the frame to strengthen the stability of the combination and increase the impact resistance. The other end of the shaft is the operating end of the combination wrench. When the wrench is turned, the shaft can be driven to rotate to drive the external thread section of the shaft to tighten or loosen relative to the screw hole on the frame, so as to realize the wheel It can be quickly detached or fixed on the frame. However, the operating end of the aforementioned shaft is operated by a wrench. After the wheel is firmly installed on the frame, the position of the wrench is often rotated to an improper position, which easily interferes with surrounding components and causes safety problems during riding. .

In order to improve the aforementioned problems, the industry has developed an improved quick release structure. Please refer to the "Quick release structure capable of concealing the drive handle" disclosed in TWI622515. In this case, there are two sides of the drive handle for accommodating the card holder. Guide groove, so that the driving handle can slide within the length range of the front and rear ends of the guide groove, and the rear end of the guide groove is restricted by the catch so that the driving handle cannot be separated, and the driving handle can be used for the card The steel ball of the stopper is the rotating shaft, so that the shaft can be deflected left and right to control the tightening or loosening of the screw holes on the front fork or rear fork of the frame.

With the above structure, although the safety problem caused by the wrench-type quick release structure can be improved, it also has the problems of excessive parts, high manufacturing cost, and difficulty in assembly.

In view of this, the object of the present invention is to provide a bicycle quick-release structure, which not only reduces parts, but also reduces manufacturing costs and makes assembly easier.

In order to achieve the above objective, a bicycle quick-release structure provided by the present invention includes a quick-release lever, a shaft handle and a pin. The quick release rod has a shaft and an end cover, the shaft is provided with a shaft hole along the axial direction, the end cover has a section groove and a through hole communicating with the section groove, and the section groove is connected with one end of the shaft hole The shaft has a long slot through a shank, the shank passes through the slit and is accommodated in the shaft hole; the pin is pierced in the perforation and the long slot; thereby When the shaft handle is pulled out, the long slot hole can abut against the pin, so that the shaft handle does not fall out of the cut groove, and the shaft handle can be turned.

The effect of the present invention is that when the axle is pulled out, the axle is turned with the pin as a fulcrum, so that the axle can be easily driven to drive the quick release lever to rotate, so as to quickly turn the wheel from The frame is detached or assembled to the frame.

〔this invention〕

100: Bicycle quick release structure

10: Quick release lever

12: Shaft

122: External thread section

124: thread section

14: end cap

141: Cut Groove

142: screw hole

143: Through hole

144: screw hole

145: Piercing

16: shaft hole

20: Shaft

22: handle body

222: Long slot

24: crown

30: pin

40: Cards

50: Positioning structure

52: positioning hole

54: positioning block

60: rear fork

62: screw hole

70: Flower Hub

Fig. 1 is a perspective view of a bicycle quick release structure according to a preferred embodiment of the present invention.

Figure 2 is an exploded view of Figure 1.

Fig. 3 is a partial cross-sectional view of Fig. 1, revealing the positioning structure of the shaft handle.

Figure 4 is a cross-sectional view showing the combination of the bicycle quick release structure and the fork.

Figure 5 is a cross-sectional view showing the structure of the shaft when the shaft is pulled out.

Figure 6 is a cross-sectional view, revealing that the shaft handle can be turned to change the swing direction when it is pulled out.

In order to explain the present invention more clearly, the preferred embodiments are described in detail in conjunction with the drawings as follows. Please refer to FIGS. 1 to 3, which is a bicycle quick release structure 100 according to the first preferred embodiment of the present invention, including: a quick release lever 10, a shaft handle 20, a pin 30, a latch 40 and a positioning structure 50. The quick release rod 10 has a shaft 12 and an end cap 14. The quick release rod 10 has a shaft hole 16 arranged along the long axis of the shaft 12, and an external threaded section 122 is formed on the surface of the shaft 12 at one end. The surface of the shaft 12 is detachably combined with the front fork or rear fork of the frame at the other end. In this embodiment, the shaft 12 is detachably connected to the front fork or rear fork of the frame. The structure of the fork connection includes forming a threaded section 124 on the other end of the shaft 12 relative to the external threaded section 122. The front fork or the rear fork of the frame is provided with screw holes. For example, the rear fork 60 has a screw hole 62 screwed with the threaded section 124.

As shown in FIG. 4, the end cap 14 of the quick release rod 10 is provided with a slit 141 and a screw hole 142 in the axial direction from the top surface and the bottom surface, and the slit 141 and the screw hole 142 are connected through a through hole 143 The screw hole 142; the external thread section 122 at one end of the shaft 12 is locked into the screw hole 142 to be integrated with the end cap 14. The end cover 14 has a screw hole 144 and a through hole 145 arranged in a radial direction. The screw hole 144 is located below the cut groove 141 and communicates with the screw hole 142, and the through hole 145 communicates with the cut groove 141. When the shaft 12 and the end cap 14 are connected as a whole, the locking member 40, which takes a bolt as an example, is locked into the screw hole 144 and one end of the locking member 40 abuts against the external thread section 122 of the shaft 12 to ensure the The shaft 12 and the end cap 14 are firmly connected.

The quick release rod 10 of the above-mentioned embodiment is composed of a shaft 12 and an end cover 14. However, in other practice, the shaft and the end cover may be an integral structure.

The shaft 20 is movably inserted into the shaft hole 16 of the shaft 12, and has a shaft 22 and a shaft 24 connected to one end of the shaft 22. The shank 22 has a long slot 222 arranged along the long axis and passing through the body of the shank 22, the shank 22 is inserted into the shaft hole 16 of the quick release rod 10, and the pin 30 passes through the end cap 14 The perforation 145 passes through the long slot 222 at the same time, so that the shaft 20 can only move at the distance between the two ends of the long slot 222. The aforementioned pin 30 and the perforation 145 can be matched in a tight fit to prevent the pin 30 from moving. If you accidentally fall off, of course, you can also choose to configure it by screwing, and you can also configure it by bonding.

In this embodiment, the positioning structure 50 is composed of at least one positioning hole 52 and at least one positioning block 54. The number of positioning holes 52 and positioning blocks 54 is taken as an example, and the positioning hole 52 is provided on the crown. 24. The positioning block 54 is made of a material that can be deformed under pressure, such as but not limited to rubber. The positioning block 54 is plugged in the positioning hole 52, and both ends of the positioning block 54 protrude out of the positioning hole 52. When the shaft 20 is inserted into the shaft hole 16, and the shank 24 of the shaft 20 is correspondingly located in the cut groove 141 When inside, the two protruding ends of the positioning block 54 will abut against the inner wall of the slit 141 and deform due to being squeezed, so as to generate a relatively large frictional resistance, so that the shaft handle 20 will not be opposed to the quick release rod 10 Loose. The part of the positioning block 54 protruding outside the positioning hole 52 constitutes the convex part defined in the present invention.

The above is the structural description of the bicycle quick release structure 100 of the preferred embodiment of the present invention, and then the description of its use is as follows.

Fig. 4 shows that the bicycle quick release structure 100 is in a normal state. The normal state means that the wheels of the bicycle are firmly coupled to the bicycle frame through the bicycle quick release structure 100. In this state, the handle body 22 of the axle handle 20 Insert the shaft hole 16, the crown 24 of the shaft 20 is correspondingly located in the cut-out groove 141, and the position of the pin 30 is exactly at one end of the long slot hole 222 close to the crown 24.

Figure 5 shows that the user pulls the shaft 20 out of the quick release lever 10, and when the long slot 222 is moved to the end of the long slot 222 away from the crown 24 to abut the pin 30, the shaft 20 cannot be opposed to each other. The quick release lever 10 is disengaged. Then, the user uses the pin 30 as a fulcrum and the slot 141 as a movable space to move the shaft 20 up or down to the state shown in FIG. 6 so that the shaft shaft 20 and the quick release rod 10 are aligned An angle is formed between them, and then the user turns the shaft handle 20 in a clockwise or counterclockwise direction, and pushes the quick release lever 10 to rotate through the handle body 22 of the shaft handle 20 against the inner wall of the slit 141, so that the quick release lever 10 is rotated. The external thread section 122 of the shaft 12 of 10 can be loosened from the screw hole 62 of the rear fork 60, and the bicycle quick-release structure 100 can be removed at this point to continue the wheel removal operation.

To sum up, this creation uses the long slotted hole of the axle handle to abut against the pin when the axle handle is pulled out, driving the axle handle to quickly detach or fix the wheel to the frame, which not only simplifies the assembly process. Components can also make the assembly process easier and save more on manufacturing costs, giving products a more competitive advantage.

The above are only the preferred and feasible embodiments of the present invention. Any equivalent changes made by applying the specification of the present invention and the scope of the patent application should be included in the patent scope of the present invention.

100: Bicycle quick release structure

12: Shaft

122: External thread section

124: thread section

14: end cap

141: Cut Groove

144: screw hole

145: Piercing

16: shaft hole

20: Shaft

22: handle body

222: Long slot

24: crown

30: pin

40: Cards

50: Positioning structure

52: positioning hole

54: positioning block

Claims (10)

A bicycle quick release structure, comprising: a quick release lever, including a shaft and an end cover, wherein one end of the shaft is connected to the end cover, and the end cover has a slit and a perforation radially arranged and connected to the slit, Wherein the shaft has a shaft hole arranged along the axial direction, one end of the shaft hole is connected with the slit; a shaft is movably inserted in the shaft hole of the shaft, the shaft has a shaft, the The shank is provided with a long slot through the body of the shank; and a pin through the perforation of the end cap and the long slot of the shank; thereby, when the shank is pulled out and its long slot When one end of the hole abuts against the pin, the shaft handle can be turned in the section groove to change the swing direction. The bicycle quick release structure according to claim 1, wherein the end cap is detachably sleeved on the outside of one end of the shaft. The bicycle quick release structure according to claim 2, wherein the shaft has an external thread section, the end cap has a screw hole, and the external thread section is locked into the screw hole. The bicycle quick release structure according to claim 2 includes a latch passing through the end cap and one end abuts against the surface of the shaft. The bicycle quick release structure according to claim 4, wherein the end cover has a screw hole, and the locking member includes a bolt that is locked into the screw hole of the end cover. The bicycle quick release structure according to claim 1, wherein the shaft and the end cover are integrally formed. The bicycle quick release structure according to claims 1 to 6 and any one of them includes a positioning structure for restricting the axle handle from sliding out of the quick release rod. The bicycle quick release structure according to claim 7, wherein the positioning structure includes at least one convex portion, the at least one convex portion is disposed on the axle shaft, and when the axle shaft is inserted into the shaft hole, a part of the at least one convex portion Contact the inner wall of the slot. The bicycle quick release structure according to claim 8, wherein the axle has a handle connected to one end of the handle body, the at least one convex portion is provided on the handle of the axle handle, and the handle body can penetrate into the quick release In the shaft hole of the rod. The bicycle quick release structure according to claim 7, wherein the positioning structure includes at least one positioning hole and at least one positioning block, the axle shaft has the at least one positioning hole, and the at least one positioning block is made of a material that can be deformed under pressure It is made and arranged in the at least one positioning hole and partly protrudes out of the positioning hole.

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