TWI579186B - Bicycle quick release handle angle control structure - Google Patents

Description

Bicycle quick release handle angle control structure

The invention relates to a bicycle quick release handle angle control structure, in particular to a quick release handle which can be limited to the angle of rotation, so as to ensure safety.

According to the rising price of fuel and the awareness of environmental protection, many people began to use bicycles as a means of transportation, not only to reduce the problem of exhaust pollution caused by steam locomotives, but also to achieve fitness and sports effects by riding bicycles. Leisure sports are popular, and even large-scale bicycle races are held regularly at home and abroad. The above-mentioned bicycles can assemble different wheel sets as needed, and in order to replace the convenience and different uses of the wheel sets, they are usually directly locked by quick-release screws. A conventional bicycle quick release structure, as shown in Figures 1 and 2, is provided with a shaft 10 having a joint 11 at one end, a set of a pressing block 12 at the other end and screwed with a nut 13 On the frame, the connecting head 11 is provided with a circular connecting hole 111, and a quick-release handle 15 having a slit 151 at the front end, and a cutting surface 151 is formed in the slit 151, and a through hole 152 is formed on both sides thereof. The connecting head 11 is disposed in the slit 151, and is coupled to the eccentric hole 152 and the connecting hole 111 by a riveting nail 14, and the connecting head 11 and the quick release handle 15 are pivoted together, and then The rivet pin 14 rotates the quick release handle 15 for the rotating shaft, and the eccentric portion of the quick release handle 15 presses against the pressing block 12, so that the shaft 10 has a locking effect of pulling positioning, and the sturdy frame can be achieved. For the purpose of fixing the wheel set; however, in order to allow the quick release handle 15 to be flexibly moved, the joint head 11 cannot interfere with the cut surface 153 of the slit 151, and therefore, the slit 151 has a deeper groove, that is, the cut surface. 153 is bound to the link 11 However, the angle of the quick release or the tightening of the quick release handle 15 may exceed the angle of the vertical line H of the upper and lower shafts until the edge of the slit 151 abuts the shaft of the shaft 10 to stop being continued. The rotation of the lever; in other words, the angle θ of the quick-release handle 15 is more than 180°. This condition may cause the speed of the quick-release handle 15 to be too large to extend into the rotation range of the wheel, resulting in damage to the wheel, disengagement from the frame, or The end of the quick release handle 15 is inserted into the heat dissipation hole of the brake disc, which causes an instant jam, causing serious damage to the rider.

The main object of the present invention is to solve the above problems, and to provide a bicycle quick release handle angle control structure, which has better safety effect, and the main technology and purpose is to utilize the relative rotation relationship between the quick release handle and the connecting rod of the shaft rod. A first convex portion and a second convex portion are respectively protruded on two sides of the connecting head, so that the quick release handle is respectively restricted by the first and second convex portions when the quick release handle is relaxed or tightened, thereby enabling the quick release handle Do not exceed the set turning angle to achieve the practical effect of ensuring safety.

According to the above object of the present invention, a bicycle quick release handle angle control structure is provided, which is provided with: a shaft rod having a joint with a circular connecting hole at the front end; and a quick release handle having a front end with a slit, the slit The inner surface is formed with a eccentric hole, and the connecting head is disposed in the slit, and the eccentric hole and the connecting hole are formed by a riveting nail, and the connecting head and the quick release handle are The pivoting group is characterized in that: one outer surface of the connecting head is provided with a first convex portion, and the other opposite outer surface of the connecting head is provided with a second convex portion; when the quick release handle is turned to relax, The cutting surface abuts against the first convex portion, and the cutting surface abuts against the second convex portion when the quick release handle is pressed.

In an embodiment of the invention, the first convex portion is disposed to correspond to the second convex portion.

In an embodiment of the invention, the first and second convex portions are disposed in a direction biased toward the shaft.

In an embodiment of the invention, the height of the protrusions of the first and second protrusions is set such that the range of the upper and lower flaps of the quick release handle is less than or equal to 180 degrees.

In an embodiment of the invention, the first and second convex portions are arranged as a square body, a triangular body, a circular arc body or other strip-shaped convex bodies.

In an embodiment of the invention, the first and second convex portions are arranged as cubes, cones, round protrusions or other convex blocks.

With the above structure, the angle of the quick release handle can be limited to ensure the safety of use.

[study]

10‧‧‧ shaft

15‧‧‧ Quick release handle

11‧‧‧Link head

151‧‧‧ incision

111‧‧‧Link hole

152‧‧‧Eccentric hole

12‧‧‧Forcing block

153‧‧‧faced

13‧‧‧ Nuts

H‧‧‧verting vertical line

14‧‧‧Riveting nails

Θ‧‧‧ angle

[this creation]

20‧‧‧ shaft

251‧‧‧ incision

21‧‧‧Link head

252‧‧‧Eccentric hole

211‧‧‧Link hole

253‧‧‧faced

24‧‧‧Riveting nails

H'‧‧‧verting vertical line

25‧‧‧ Quick release handle

Θ'‧‧‧ angle

22, 221, 222, 223, 224, 225‧‧‧ first convex

23, 231, 232, 233, 234, 235‧‧‧ second convex

Figure 1, is a three-dimensional exploded view of the bicycle quick release

Figure 2 is a schematic diagram of the angle of the quick release handle

Figure 3 is a perspective exploded view of the bicycle quick release of the present invention

Figure 4 is a schematic view of the angle of the quick release handle of the present invention

Figure 5 is a triangular body in which the first and second convex portions of the present invention are arranged in a strip shape.

Figure 6 is a circular arc body in which the first and second convex portions of the present invention are arranged in a strip shape

Figure 7 is a block in which the first and second convex portions of the present invention are arranged in a block shape.

Figure 8 is a cone of the first and second convex portions of the present invention

Figure 9 is a plan view of the first and second convex portions of the present invention.

In order for your review board to have a better understanding of the creation, a preferred embodiment will be described in conjunction with the drawings, as detailed below:

Please refer to Figures 3 and 4, which are set as follows: a shaft 20 having a connecting head 21 having a circular connecting hole 211 at the front end; and a quick-release handle 25 having a front end 251 formed therein, the slit 251 forming everything The eccentric opening 252 is disposed on the two sides of the slit 251. The connecting head 21 is disposed in the slit 251, and is coupled to the eccentric hole 252 and the connecting hole 211 by a riveting nail 24, and the connecting portion is connected. The head 21 is coupled to the quick release handle 25; wherein, one of the outer surfaces of the joint head 21 is provided with a first convex portion 22, and the other outer surface of the joint head 21 is provided with a second convex portion 23, The first and second convex portions 22 and 23 are arranged in a strip shape and opposite to each other in a direction of the shaft 20; and by the above structure, when the quick release handle 25 is pulled and relaxed, the cut surface 253 is resisted. When the quick release handle 25 is turned to be tight, the cutting surface 253 abuts against the second convex portion 23, and the angle of the quick release handle 25 can be restricted to ensure the safety of use. .

The composition and function of the above embodiment are described in detail as follows: Referring to FIGS. 3 and 4, the present invention provides that the quick release handle 25 can limit the angle θ' of the quick release handle 25 when it is relaxed or tightened, and does not exceed the rotation axis. The vertical line, that is, the angle θ' range is limited to 180°, to prevent the quick release handle 25 from extending into the wheel rotation range to avoid danger and injury; when the outward direction is turned up (relaxed), the quick release When the handle 25 is used, the quick release handle 25 is rotated by the rivet 24, and the cutting surface 253 is rotated to an outer surface of the joint head 21, and the first convex portion 22 is disposed on the joint head 21 The shaft 20 is opposite to the inner side of the cutting surface 253, and the quick release handle 25 is prevented from continuing to rotate, so that the quick release handle 25 is restricted to the inner angle of the vertical line H' of the rotating shaft; When the quick release handle 25 is turned (forced), the quick release handle 25 is rotated by the riveting nail 24, and the cutting surface 253 is rotated to an outer side surface of the joint head 21, and the second convex portion 23 is set. At the joint head 21 The direction of the shaft 20 is opposite to the inner side of the cutting surface 253, and the quick release handle 25 is prevented from continuing to rotate, so that the quick release handle 25 is restricted to an angle within the vertical line H' of the rotating shaft; thereby, The first and second convex portions 22, 23 cause the quick release handle 25 to be turned into a relaxed or tight angle θ' range of less than or equal to 180°, so as to ensure the safety of use and riding.

The first convex portion 22 and the second convex portion 23 of the present invention are convex blocks for stopping the rotation of the quick release handle 25, and the height and position of the protrusion can control the limit rotation of the quick release handle 25. The angle can be controlled by the angular range of the rotation; according to the technical content, the present invention can also be implemented in the manner of the fifth to the ninth, the first convex portion 221, 222, 223, 224, 225, the second convex The portions 231, 232, 233, 234, 235 can be set as a triangular body (as shown in Fig. 5), a circular arc body (as shown in Fig. 6) or other strip-shaped convex bodies, and of course, can also be set as a cube (e.g. Figure 7), the cone (as shown in Figure 8), the rounded body (as shown in Figure 9) or other protruding blocks, can achieve the same control of the quick release handle 25 angle efficacy.

However, the above description is only a preferred embodiment of the present invention, and is not intended to limit the features of the present invention. The re-creation of the technical means and the creation principle of the present invention is still an equivalent structural idea of the present invention. .

In summary, the structure of the present invention does have excellent practicality and enhanced efficacy, and is in conformity with the provisions of the Patent Law, and is submitted in accordance with the law.

20‧‧‧ shaft

21‧‧‧Link head

211‧‧‧Link hole

22‧‧‧First convex

23‧‧‧second convex

24‧‧‧Riveting nails

25‧‧‧ Quick release handle

251‧‧‧ incision

252‧‧‧Eccentric hole

253‧‧‧faced

Claims (6)

The utility model relates to a bicycle quick release handle angle control structure, which is arranged as: a shaft rod, a front end is provided with a connecting head with a circular connecting hole; and a quick disassembling handle, the front end is provided with a full mouth, and the cutting surface forms all the faces, the cutting two An eccentric hole is formed in the side, the connecting head is disposed in the slit, and the eccentric hole and the connecting hole are matched by a riveting nail, and the connecting head is combined with the quick release shank pivot; One of the outer surfaces of the joint head is provided with a first convex portion, and the other opposite outer surface of the joint head is provided with a second convex portion. With the above structure, when the quick release handle is loosened, the cut surface is abutted The first convex portion, when the quick release handle is pressed, the cutting surface abuts against the second convex portion, and the angle of the quick release handle is restricted to ensure the safety of use. The bicycle quick release handle angle control structure according to claim 1, wherein the first convex portion is disposed to correspond to the second convex portion. The bicycle quick release handle angle control structure according to claim 2, wherein the first and second convex portions are disposed in a direction biased toward the shaft. The bicycle quick release handle angle control structure according to claim 1, wherein the protrusion heights of the first and second convex portions are set such that the quick release handle is relaxed and the angle of the tightening is smaller than the angle range. Or equal to 180°. The bicycle quick release handle angle control structure according to claim 1, 2, 3 or 4, wherein the first and second convex portions are arranged as a square body, a triangular body, a circular arc body or other strip convex bodies. By. The bicycle quick release handle angle control structure according to claim 1, 2, 3 or 4, wherein the first and second convex portions are formed as cubes, cones, round protrusions or other convex blocks. By.