WO2011134309A1

WO2011134309A1 - Bicycle front wheel fixing device

Info

Publication number: WO2011134309A1
Application number: PCT/CN2011/071372
Authority: WO
Inventors: 韩德玮; 程书俊
Original assignee: 大行科技(深圳)有限公司
Priority date: 2010-04-27
Filing date: 2011-02-28
Publication date: 2011-11-03
Also published as: CN201834146U

Abstract

A bicycle front wheel fixing device is provided. The fixing device (4) is mounted to a front fork or a bicycle frame, the fixing device (4) can move or rotate to a holding position to keep the front fork and the bicycle frame from rotating to each other. The fixing device (4) includes a fixing support (41), and a holding element (42) is mounted to the fixing support (41), and an elastic element (43) is mounted between the fixing support (41) and the holding element (42). This device can effectively reduce the lateral width when the bicycle is parking, and also reduce the chances of scratches and collisions. It has simple structure, high strength, and is easy to manufacture and install.

Description

Bicycle front wheel fixing device

Technical field

The present invention relates to a fastening device, and more particularly to a bicycle front wheel fixing device. Background technique

In today's world, the total amount of energy is decreasing, oil prices are rising, and the public is increasingly favoring green and environmentally-friendly vehicles. Bicycles bear the brunt, green, environmentally friendly, and able to exercise. China is a well-known bicycle manufacturing and use country. Bicycle parking is a problem that we must pay attention to. In some public places, such as schools and neighborhoods, we can often see a special area for bicycles. However, we also notice that when the bicycle is parked there, due to its own stability, the front wheel of the bicycle tends to unconsciously deflect sideways, which increases the footprint of a single car; It can increase the scratching of other bicycles, thereby dropping the paint or causing the appearance to be deformed. In addition, in the folding of the bicycle beam, the front wheel is easily deflected when folded, thereby hindering the smooth completion of the folding action. Third, some bicycles can be placed on the rear and rear luggage racks, and the front wheels are placed upright to save space, and the front wheels are easily deflected during the process. How to solve this problem, there is no commonly used method or device. Summary of the invention

SUMMARY OF THE INVENTION The present invention is directed to a bicycle front wheel fixing device which is simple in structure, easy to manufacture, and install, and which has high applicability and low cost.

The present invention is achieved as follows: A bicycle front wheel fixing device is provided with a fixing device on the front fork or the frame, and the fixing device can be moved or rotated to the clamping position so that no relative rotation occurs between the front fork and the frame.

The fixing device comprises a fixing bracket on which a clamping device is arranged, and an elastic element is arranged between the fixing bracket and the clamping device.

The fixed abutment is fixed to the front fork, and the clamping device catches the frame or a rigid hardware attached to the frame.

The clamping device is hinged to the fixed support, and the free end of the clamping device is provided with a groove, and the groove cooperates with the bottom side of the vehicle beam or cooperates with the reinforcing rib.

The fixing bracket is provided with a sliding slot, and the clamping device is provided with a guiding column, and the guiding column can be in the sliding slot Move.

The fixed abutment is fixed to the frame, and the clamping device catches the bicycle front fork or the rigid hardware attached to the front fork.

The bicycle is a folding bicycle whose frame is foldable.

The rear end of the rear luggage rack of the bicycle is flush with the end of the rear wheel, and the whole vehicle can be placed upright.

The bicycle has a folding pedal or a quick release ankle.

The bicycle front wheel fixing device of the invention can clamp the vehicle beam and prevent the front wheel from deflecting, reduce the floor space of a single vehicle, and is not easily damaged by other objects, and the clamping device is at two limits. The position, ie the locking position and the free position, do not sway up and down at will, and the safety is very high. In the folding of the bicycle beam, when folding, the front wheel can be prevented from deflecting to complete the folding step smoothly. Some bicycles can be placed with the rear wheel and the rear luggage rack on the ground, and the front wheels are placed upright to save floor space. In the process, the front wheels can also be locked to prevent deflection. DRAWINGS

1 is an exploded view of a bicycle front wheel fixing device of the present invention;

2 is a schematic view showing a locking position of a bicycle front wheel fixing device according to the present invention;

Figure 3 is a schematic view showing the release position of the bicycle front wheel fixing device of the present invention;

Figure 4 is a perspective view of the bicycle front wheel fixing device of the present invention;

Figure 5 is a cross-sectional view of the front wheel of the bicycle of the present invention;

Figure 6 is an exploded view of a second embodiment of a bicycle front wheel fixing device of the present invention;

7 is a schematic view showing a locking position of a second embodiment of a bicycle front wheel fixing device according to the present invention;

Figure 8 is a perspective view showing a second embodiment of the bicycle front wheel fixing device of the present invention;

Figure 9 is a cross-sectional view showing a third embodiment of the bicycle front wheel fixing device of the present invention. detailed description

The bicycle front wheel fixing device of the present invention will be further described in detail below with reference to the accompanying drawings.

As shown in FIG. 1 to FIG. 3, in the first embodiment, the bicycle frame includes a vehicle beam 1 and a head pipe 2, and the vehicle beam 1 is fixed to the head pipe 2, for example, welded and fixed, and the head pipe 2 is disposed therein. Relatively rotating front fork riser 3. A fixing device 4 is provided at the position of the head pipe, and the fixing device is used to fix the head tube and the front fork riser 3 Position, to prevent the two from rotating relative to each other, that is, to keep the direction of the wheel in line with the direction of the beam 1, thereby reducing the placement of the lateral space. Specifically, the fixing device 4 includes a fixing bracket 41, a clamping device 42, and an elastic member 43. In this embodiment, the fixing bracket 41 is fixed to the front fork riser 3, and the fixing manner may be various. For example, the through-holes are respectively disposed on the front fork riser 3 and the fixed support 41, and are locked by screws and nuts. Tightly fixed; or the fixed support 41 is directly welded to the front fork riser 3; or the front fork riser 3 is provided with a collar and an eccentric lock to lock the fixed support 41.

The clamping device 42 is hinged to the fixed support 41, for example by a pin 44. The free end of the holding device 42 is provided with an arcuate groove 421 which cooperates with the bottom side of the beam 1. In order to prevent scratching, the holding device is a plastic member or a rubber member. As shown in Fig. 2, when the bicycle is parked, the clamping device 42 can be pulled up, and the curved groove 421 just catches the lower side of the beam 1, since the clamping device 42 is actually fixed on the front fork, so that the front wheel No deflection occurs, that is, the front and rear wheels are in the same plane as the vehicle beam, saving floor space. As shown in Fig. 3, when riding, the clamping device 42 can be turned down, and the handlebar can be freely rotated. The device itself is small in size and has no adverse effect on riding.

As shown in FIGS. 4 and 5, the fixing device 41 has a "U" shape, which has a bottom surface 411 and two side wings 412. The bottom surface 411 is attached to the front fork riser 3 when fixed. In the face, a hinge shaft is provided on both side wings 412 to articulate the clamping device 42. In order to ensure that the clamping device 42 does not sway up and down at the two extreme positions, i.e., the locking position and the free position, it is necessary to provide an extreme position fixing member, for example, in the elastic member 43. The elastic member may be a U-shaped metal dome or a spring. The elastic piece is disposed between the end of the clamping device 42 and the bottom surface 411, and is also located between the hinge shaft 44 and the bottom surface 411. The hinged end of the holding device 42 has two end faces 422, 423 which form a certain angle. The two end faces 422, 423 are provided with a curved connecting surface 424, the distance from the connecting face 424 to the axis of the hinge shaft 44 being greater than the distance from the end faces 422, 423 to the axis of the hinge shaft 44.

In the second embodiment, as shown in Figs. 6 to 8, a reinforcing rib 12 is provided before the beam 1 and the head pipe 2, and the reinforcing rib 12 may be a welded reinforcing metal piece. The free end of the holding device 42 is provided with a groove 422 which cooperates with the rib 12, and the bottom of the groove 422 is rectangular. Other features of this embodiment are the same as those of the first embodiment, and will not be described again.

In the third embodiment, as shown in FIG. 9, the fixing device 4 has a fixing bracket 41, a clamping device 42, and an elastic member 43. The fixing bracket 41 is fixed to the front fork, and the clamping device 42 can be moved up and down along the fixing bracket 41. The groove at the top of the clamping device 42 catches the frame to prevent relative rotation of the front fork and the frame. Fixing bracket 41 The sliding device 413 is disposed, and the clamping device 42 is provided with a guiding column 423. The guiding column 423 can be moved in the sliding slot 413. Before the riding, the clamping device 42 can be pushed down, and the clamping device 42 is disengaged from the frame; When the bicycle is parked, the gripping device 42 is pushed up, the guide post 423 is moved up along the chute 413, and is held by the elastic member 43. In order to further ensure stability, fixing grooves 4131 may be provided at both ends of the chute, in which the elastic member 43 pushes the holding device 42 and causes the guiding post 423 to fall into the fixing groove 4131, thereby ensuring the two extreme positions. The clamping is stable.

In the first to third embodiments, the fixing means may also be fixed to the upper ends of the two fork legs of the bicycle front fork.

As in the first embodiment to the third embodiment, a rigid hardware may be disposed on the frame, for example, a protruding cylinder is welded on the frame, and the clamping device catches the rigid hardware connected to the frame, and the fixing device thereof The configuration is the same as the foregoing example and will not be described again.

In a fourth embodiment, the fixing device 4 has a fixing bracket 41, a clamping device 42, and an elastic member 43. The fixing bracket 41 is mounted on the frame. For example, the fixing bracket is fixed to the beam 1 or the head tube 2, and the clamping device 42 is disposed on the fixed bracket 41. The clamping device 42 can be rotated or moved to catch the front fork so that the frame and the front fork do not rotate relative to each other. The clamping manner and positioning in the first to third embodiments described above can be applied to the present embodiment, with the difference that the fixed position of the fixing bracket 41 and the clamping object of the holding device 42 are exchanged, and the above description is sufficient. It will be known to those skilled in the art and will not be described again. Further, a rigid hard body may be provided on the front fork, and the holding device may be engaged with a rigid hard body connected to the front fork, and the fixing device has the same configuration as the foregoing.

The above is only the preferred embodiment of the present invention, and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection of the present invention. Within the scope.

Claims

Rights request

A bicycle front wheel fixing device, characterized in that: a fixing device is arranged on the front fork or the frame, and the fixing device can be moved or rotated to a clamping position so that no relative rotation occurs between the front fork and the frame, The fixing device comprises a fixing bracket (41) on which a clamping device (42) is arranged, and an elastic element (43) is arranged between the fixing bracket and the clamping device.

2. The bicycle front wheel fixing device according to claim 1, wherein: the fixing support (41) is fixed to the front fork, and the clamping device is stuck to the frame or rigidly connected to the frame. Hardware.

The bicycle front wheel fixing device according to claim 2, wherein: the clamping device is hinged to the fixed support, and the free end of the clamping device is provided with a groove, the groove and the vehicle The bottom side of the beam is fitted or mated with the rib (12).

The bicycle front wheel fixing device according to claim 3, wherein: the hinge end of the clamping device has two end faces (422, 423), and the two end faces form an angle, the two An arcuate connecting surface (424) is disposed between the end faces, and the distance from the connecting face to the axis of the hinge shaft (44) is greater than the distance between the two end faces to the axis of the hinge shaft.

The bicycle front wheel fixing device according to claim 2, wherein: the fixing bracket is provided with a sliding slot (413), and the clamping device is provided with a guiding post (426), and the guiding post is in the chute Move inside.

6. The bicycle front wheel fixing device according to claim 1, wherein: the fixed holder is fixed to the frame, and the holding device catches the bicycle front fork or the rigid hardware attached to the front fork.

The bicycle front wheel fixing device according to claim 6, wherein: the clamping device is hinged to the fixing support, and a free end end of the clamping device is provided with a groove, and the groove is stuck Bicycle front fork or rigid hardware attached to the front fork.

8. The bicycle front wheel fixing device according to claim 7, wherein: the hinge end of the clamping device has two end faces (422, 423), and the two end faces form an angle, the two An arcuate connecting surface (424) is disposed between the end faces, and the distance from the connecting face to the axis of the hinge shaft (44) is greater than the distance between the two end faces to the axis of the hinge shaft.

The bicycle front wheel fixing device according to claim 6, wherein: the fixing bracket is provided with a sliding slot (413), and the clamping device is provided with a guiding post (426), and the guiding post is in the chute Move inside.