TWM578668U - Bicycle quick release structure - Google Patents

Abstract

The bicycle quick release structure comprises a quick release lever, a shaft handle and a pin, the quick release lever has a shaft body and an end cover, the shaft body is axially provided with a shaft hole, the end cover has a slot and a diameter a through hole extending through the slot, the slot can communicate with the shaft hole; the shaft handle has a handle body and a long slot hole disposed along the axial direction of the handle body, the handle body can pass through the slot The shaft is placed in the shaft so that the long slot can be correspondingly perforated; after the through hole is pierced by the pin, the shaft is pulled out from the shaft, and the shaft can be abutted by the pin The shaft is not detached from the shaft and can be abutted against the slot. The shaft can be rotated to drive the shaft to be quickly detached or fixed to the fork structure.

Description

Bicycle quick release structure

This creation is related to bicycles; in particular, a bicycle quick release structure that can be quickly disassembled to remove the wheels.

There are many types of bicycles, and the shaft-type quick-release structure for passing through the hub of the wheel and being coupled to the front fork or the rear fork of the frame is also different. Among them, the mountain bike or the downhill car has a relatively large impact force during riding because of the large impact force during riding, and the shaft of the shaft is usually provided with one end. The threaded section is locked into the front fork of the frame or the screw hole on the rear fork by the external thread section to strengthen the stability of the joint and increase the impact resistance. The other end of the shaft is coupled with the operating end of the wrench. When the wrench is turned, the shaft can be rotated to drive the external thread segment of the shaft to be screwed or loosened relative to the screw hole on the frame, thereby realizing the wheel. Can be quickly detached or fixed to the frame. However, the operating end of the above shaft is operated by a wrench, in that the wheel is stably mounted on the frame, and the position of the wrench is often rotated to an inappropriate position, which easily interferes with surrounding components, resulting in safety problems on the ride. .

In order to improve the above problems, the manufacturer has developed an improved quick release structure. Please refer to the "Removable Drive Handle Quick Release Structure" disclosed in TWI622515. The drive handles on both sides of the case are provided for accommodating the clamps. a guiding groove, wherein the driving handle is slidable within a length of the front and rear ends of the guiding groove, and the rear end of the guiding groove is restricted by the clamping member so that the driving handle cannot be disengaged, and the driving handle can be the card The steel ball of the element is a rotating shaft, so that the shaft can be deflected left and right to control the screw hole which is screwed or loosened on the front fork or the rear fork of the frame.

With the above structure, although the safety problem caused by the wrench type quick release structure can be improved, there are problems such as excessive parts, high manufacturing cost, and difficulty in assembly.

In view of this, the purpose of this creation is to provide a bicycle quick release structure that not only reduces parts, but also reduces manufacturing costs and makes assembly easier.

In order to achieve the above object, the bicycle quick release structure provided by the present invention comprises a quick release lever, a shaft handle and a pin. The quick release lever has a shaft body and an end cover. The shaft body is provided with a shaft hole along the axial direction. The end cover has a slot and a through hole communicating with the slot, and the slot is connected to one end of the shaft hole. The shank has a long slot through a shank, and the shank passes through the slot and is received in the shaft hole; the pin is disposed through the hole and the slot; When the shank is pulled outward, the long slot can abut the pin, so that the shank does not come out of the slot, and the shank can be turned.

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

[this creation]

100‧‧‧ bicycle quick release structure

10‧‧‧ quick release lever

12‧‧‧ shaft

122‧‧‧External thread section

124‧‧ Thread segment

14‧‧‧End cover

141‧‧‧ slotting

142‧‧‧ screw holes

143‧‧‧through hole

144‧‧‧ screw holes

145‧‧‧Perforation

16‧‧‧Axis hole

20‧‧‧Shaft

22‧‧‧

222‧‧‧Long slot

24‧‧‧Heist

30‧‧ ‧ sales

40‧‧‧ Cards

50‧‧‧ Positioning structure

52‧‧‧Positioning holes

54‧‧‧ Positioning block

60‧‧‧ rear fork

62‧‧‧ screw holes

70‧‧‧Flower hub

1 is a perspective view of a bicycle quick release structure in accordance with 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 showing the positioning structure of the shank.

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 when the shank is pulled out.

Figure 6 is a cross-sectional view showing that the shank can be turned to change the direction of the swing when it is pulled out.

In order to explain the present invention more clearly, the preferred embodiment will be described in detail with reference to the drawings. Referring to FIG. 1 to FIG. 3 , the bicycle quick release structure 100 of the first preferred embodiment of the present invention comprises: a quick release lever 10 , a shaft handle 20 , a pin 30 , a latching member 40 , and a positioning structure . 50. The quick release lever 10 has a shaft 12 and an end cover 14 . The quick release lever 10 has a shaft hole 16 disposed along a long axis of the shaft 12 . The shaft 12 has an external thread segment 122 formed at one end thereof. The surface of the shaft 12 is detachably coupled to the front fork or the rear fork of the frame at the other end. In the embodiment, the shaft 12 is detachably connected to the front fork or the rear of the frame. The fork-joined structure includes a threaded section 124 formed on the other end of the shaft 12 relative to the externally threaded section 122, and the front fork or the rear fork of the frame is provided with a screw hole, as shown in FIG. The fork 60 has a screw hole 62 and the threaded portion 124 screwed together as an example.

As shown in FIG. 4, the end cover 14 of the quick release lever 10 is provided with a slot 141 and a screw hole 142 in the axial direction from the top surface and the bottom surface, and communicates with the slot 141 through a through hole 143. The screw hole 142; the external thread segment 122 at one end of the shaft 12 is locked into the screw hole 142 and integrated with the end cover 14. The end cover 14 has a screw hole 144 and a through hole 145 disposed in a radial direction, wherein the screw hole 144 is located below the slot 141 and communicates with the screw hole 142, and the through hole 145 communicates with the slot 141. When the shaft 12 and the end cover 14 are integrally coupled, the locking member 40 that is exemplified by the bolt is locked into the screw hole 144 and the end of the latching member 40 abuts against the externally threaded portion 122 of the shaft 12 to ensure the The shaft 12 is firmly coupled to the end cap 14.

The quick release lever 10 of the above embodiment is composed of two parts of the shaft 12 and the end cover 14. However, in other embodiments, the shaft and the end cover may be integrally formed.

The shank 20 is movably disposed in the shaft hole 16 of the shaft 12 and has a shank 22 and a shank 24 connected to one end of the shank 22 . The handle body 22 has a long slot 222 disposed along the long axis and extending through the body of the handle body 22, the handle body 22 being inserted into the shaft hole 16 of the quick release lever 10, the pin 30 passing through the end cover 14 The through hole 145 passes through the long slot 222 at the same time, so that the shank 20 can only move at a distance between the two ends of the long slot 222. The pin 30 and the through hole 145 can be matched and matched to prevent the pin 30. Inadvertently falling off, of course, you can also choose to screw the configuration, or you can also use the adhesive configuration.

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 the positioning hole 52 and the positioning block 54 is exemplified by two, and the positioning hole 52 is disposed 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 inserted into the positioning hole 52, and both ends of the positioning block 54 are exposed outside the positioning hole 52. When the shaft 20 is inserted into the shaft hole 16, the crown 24 of the shaft 20 is correspondingly located in the slot 141. Inwardly, the exposed ends of the positioning block 54 will abut against the inner wall of the slot 141 and be deformed by being squeezed, thereby generating a large frictional resistance so that the shank 20 is not relatively fast-disconnecting the lever 10. Loose.

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

4 shows that the bicycle quick release structure 100 is in a normal state, and the normal state means that the bicycle wheel is firmly coupled to the bicycle frame through the bicycle quick release structure 100. In this state, the handle 22 of the shank 20 is in this state. The shaft hole 16 is inserted, and the shank 24 of the shank 20 is correspondingly located in the slot 141, and the pin 30 is located just at the end of the slot 222 near the shank 24.

FIG. 5 discloses that the user pulls the shank 20 outward relative to the quick release lever 10, and when the end of the long slot 222 away from the shank 24 abuts the pin 30, the shank 20 cannot be detached from the quick release lever. 10 detached. Then, the user takes the pin 30 as a fulcrum, and the slot 141 is an active space. Move the shank 20 up or down to the state shown in Figure 6, so that an angle is formed between the shank 20 and the axis of the quick release lever 10, after which the user pulls clockwise or counterclockwise The shank 20 passes through the shank 22 of the shank 20 against the inner wall of the slot 141 to push the quick release lever 10 to rotate, so that the externally threaded section 122 of the shaft 12 of the quick release lever 10 can be screwed from the rear fork 60 The 62 is released, and the bicycle quick release structure 100 can be removed to continue the wheel unloading operation.

In summary, the creation through the long slot of the shank can abut the pin design when pulling out the shank, driving the shank to achieve rapid detachment or fixing of the wheel to the frame, not only simplifying the assembly of zero The components also make the assembly process easier and save on manufacturing costs, making the product more competitive.

The above is only a preferred embodiment of the present invention, and equivalent changes to the scope of the present application and the scope of the patent application are intended to be included in the scope of the present patent.

Claims (10)

A quick release structure comprising: a quick release lever comprising a shaft and an end cover, wherein one end of the shaft is connected to the end cover, the end cover has a slot and a through hole radially disposed and communicates with the slot The shaft has a shaft hole disposed along the axial direction, the shaft hole is connected to the slot at one end; a shaft handle is movably disposed in the shaft hole of the shaft, the shaft handle has a handle body, The handle body is provided with a long slot through the body of the handle body; and a pin through which the through hole of the end cover and the long slot of the shank are inserted; thereby, when the shank is pulled outward and the slot is long When one end of the hole abuts the pin, the shank can be turned in the slot to change the direction of the swing. The bicycle quick release structure according to claim 1, wherein the end cover is detachably sleeved on the outside of one end of the shaft. The bicycle quick release structure of claim 2, wherein the shaft has an externally threaded section, the end cap having a threaded hole into which the externally threaded section is locked. The bicycle quick release structure according to claim 2, comprising a card member passing through the end cover and having one end abutting a surface of the shaft. The bicycle quick release structure according to claim 4, wherein the end cover has a screw hole, and the latch member includes a bolt locked into the screw hole of the end cover. The bicycle quick release structure according to claim 1, wherein the shaft body and the end cover are integrally formed. The bicycle quick release structure according to any one of claims 1 to 6, comprising a positioning structure for restricting the shaft shank from slipping outward relative to the quick release lever. The bicycle quick release structure according to claim 7, wherein the positioning structure comprises at least one convex portion and at least one concave portion, one of the at least one convex portion and the at least one concave portion is disposed on the shaft handle, and the other It is disposed on the inner wall of the end cover slot. The bicycle quick release structure according to claim 7, wherein the shank has a handle connected to one end of the shank, and one of the at least one protrusion and the at least one recess is disposed on the shank of the shank. The handle body can be inserted into the shaft hole of the quick release lever. The bicycle quick release structure according to claim 7, wherein the positioning structure comprises at least one positioning hole and at least one positioning block, the shaft handle has the at least one positioning hole, and the at least one positioning block is made of a material capable of being deformed by pressure. And formed in the at least one positioning hole and partially protruded outside the positioning hole.