TWM502623U - Bicycle head mechanism - Google Patents

Description

Bicycle head mechanism

This creation is applied to the technical field of bicycles, especially a bicycle head mechanism that is easy to assemble.

At present, under the environment of environmental protection and fitness, bicycles have become a widely accepted tool for the general public. At the same time, various bicycle lanes have been set up in various regions in response to the leisure and fitness effects of bicycles to increase bicycle safety. Promote the sightseeing effect of bicycles.

Generally, the bicycle head mechanism generally has three components: a handlebar, a standpipe and a handle riser. Therefore, in assembly, in order to facilitate assembly with the front tube, it is necessary to assemble from top to bottom, that is, first Installing the handle riser and the front tube, and then installing the vertical tube and the handlebar in sequence, the assembly is complicated and troublesome, and at the same time, the assembly cost is increased, and each component requires additional correction, etc., which is due to the driver's handle, The vertical pipe and the handle riser cannot be integrally formed due to the assembly, and thus all the bicycle head mechanisms are currently troubled in assembly.

In view of the fact that the conventional bicycle head mechanism is still in practical use, the creator may not be able to integrally form the assembly, thereby causing inconvenience in assembly, increasing assembly time, and reducing assembly cost, and the creation of the creation is improved.

The main purpose of this creation is to provide a bicycle head mechanism which is integrally formed by a driver's handle, a standpipe, and a handle riser to change the order of assembly of the bicycle, and to form a bottom-up assembly method to greatly enhance the assembly. Convenience and assembly efficiency, while reducing assembly costs.

In order to achieve the aforementioned creative purposes, the technical means employed in the present invention is to provide a bicycle head mechanism comprising a front body, a front tube, a front fork and a fixing member. The front body has one integrally formed handlebar, a vertical pipe and a handle riser, the handlebar is connected to one end of the vertical pipe, and the other end of the vertical pipe extends to form a handle riser, and the handle riser protrudes to form an annular stop. The front tube is pivotally disposed on the handle riser, and one end surface of the front tube is adjacent to the bottom surface of the handle portion of the handle riser, and the front fork frame has a joint portion and an extension portion, and the joint portion is sleeved on the handle riser And adjacent to one end of the front tube away from the stopping portion, one end of the fixing member abuts against the joint portion of the front fork frame away from one side of the front tube, and the other end is fixed to the handle riser.

In an embodiment of the present invention, the bicycle head mechanism described above, wherein the driver handle, the vertical tube and the handle riser are cast or welded into one piece.

In an embodiment of the present invention, the bicycle head mechanism further includes a limiting member set, and the corresponding limiting member group is provided with a perforation between the handle riser at the stop portion and an end away from the standpipe, and the front tube is laterally disposed. The cut-off section includes a nut, a bushing and a bolt, one side of the bushing is limited to the perforation of the handle riser, and the other side is located at the section of the front tube, and the nut cap is accommodated. Placed on the inside of the handle riser, one end of the bolt passes through the bushing and is locked to the nut.

In an embodiment of the present invention, the bicycle head mechanism described above, wherein a bearing is disposed between each of the two ends of the front tube and the handle riser.

In an embodiment of the present creation, the bicycle head mechanism described above, wherein the front The fork frame is formed in an inverted L shape to form a joint portion and an extension portion.

In an embodiment of the present invention, the bicycle head mechanism, wherein the handle riser is formed with an internal threaded portion in one end away from the standpipe, and the fixing member is a bolt, and one end of the fixing member abuts against the joint portion, and the other portion locks Fastened to the inner threaded section of the handle riser.

In an embodiment of the present invention, the bicycle head mechanism, wherein the joint portion of the front fork frame is provided with at least one inner screw hole in a lateral direction, and the inner screw hole is internally locked with a pressing member for abutting one end of the pressing member Fastened to the handle riser surface.

In an embodiment of the present invention, the bicycle head mechanism described above, wherein the front fork frame is provided with two inner screw holes, and the two inner screw holes are disposed at different angles.

In an embodiment of the present invention, the bicycle head mechanism further includes a wheel, and the wheel is coupled to the extension at one end of the joint.

In an embodiment of the present invention, the bicycle head mechanism further includes a decorative cover, the decorative cover is sleeved on the handle riser, and is located between the stop portion and the front tube, wherein the handle riser is The distance from the stop to one end of the riser is less than or equal to the total height of the joint of the decorative cover, the front tube and the front fork.

10‧‧‧ head body

11‧‧‧ Drivers

12‧‧‧ erection

13‧‧‧Handle riser

130‧‧‧stop

131‧‧‧Threaded section

132‧‧‧Perforation

14‧‧‧Decorative cover

20‧‧‧Before

200‧‧‧ Cut

21‧‧‧ bearing

30‧‧‧Front fork

31‧‧‧Combination

310‧‧‧Inner hole

32‧‧‧Extension

33‧‧‧forced parts

40‧‧‧Fixed parts

50‧‧‧Limited parts group

51‧‧‧ nuts

52‧‧‧ bushing

53‧‧‧Bolts

60‧‧‧Bicycle frame

70‧‧‧ Wheels

Fig. 1 is a perspective view showing the stereoscopic appearance of the present embodiment.

Figure 2 is a perspective exploded view of the present embodiment.

Figure 3 is a schematic cross-sectional view of the present embodiment.

As shown in Figures 1 to 3, the bicycle head mechanism of the present invention includes A front body 10, a front tube 20, a front fork 30, a fixing member 40 and a limiting member set 50.

The front body 10 has an integrally formed handlebar 11, a standpipe 12 and a handle riser 13, wherein the rider 11, the standpipe 12 and the handle riser 13 can be integrally formed by casting or welding. The handle 11 is coupled to one end of the riser 12 at the middle, and the other end of the stand 12 extends to form a handle riser 13. The handle riser 13 protrudes from the middle to form an annular stop 130, and the handle riser 13 is abutted. A decorative cover 14 is sleeved on the stop portion 130, and an internal thread segment 131 is formed in one end of the handle riser 13 away from the standpipe 12, and the handle riser 13 is between the stop portion 130 and the internal thread segment 131. A perforation 132 is provided.

The front tube 20 is used to connect a bicycle frame 60, and the front tube 20 is pivotally disposed on the handle riser 13, and one end surface of the front tube 20 is adjacent to the bottom surface of the decorative cover 14, and the inner ends of the front tube 20 and the handle riser A bearing 21 is respectively disposed between the 13 to increase the smoothness of pivoting of the front tube 20 and the handle riser 13, and the front tube 20 is laterally sectioned with a slit 200, wherein the opening angle of the opening 200 is relative to the front body 10 allows the angle setting of the rotation.

The front fork frame 30 is formed in an inverted L shape, and has a joint portion 31 and an extension portion 32. The joint portion 31 is sleeved on the handle riser 13 and adjacent to the front tube 20 away from one end of the stop portion 130. The distance of the handle riser 13 from the stop portion 130 to one end of the internal thread segment 131 is less than or equal to the total height of the joint portion 31 of the decorative cover 14, the front tube 20 and the front fork frame 30, and the fixing member 40 is as shown in the figure. It is shown as a bolt, and one end of the fixing member 40 abuts against the joint portion 31, the other portion is locked to the inner thread segment 131 of the handle riser 13, and the joint portion 31 is provided with at least one inner screw hole 310 in the lateral direction, as shown in the figure. Two inner screw holes 310 are laterally disposed at different angles, and a pressing member 33 is locked in the inner screw hole 310, so that one end of each pressing member 33 is fixed to the surface of the handle riser 13 to increase the front. The fork frame 30 is coupled to the handle riser 13, and the extension portion 32 is coupled to one end of the joint portion 31 to be coupled with a wheel 70.

The limiting member set 50 includes a nut 51, a bushing 52 and a bolt 53. One side of the bushing 52 is located at the through hole 132 of the handle riser 13 and the other side is located at the opening 200 of the front tube 20. The nut 51 is received on the inner side of the handle riser 13 , and one end of the bolt 53 passes through the bushing 52 and is locked to the nut 51 . The handle riser 13 is interlocked via the rotation limiter set 50 to limit the limit set 50 . The section 200 of the front tube 20 is angularly rotated to limit the angle at which the handle riser 13 is rotated relative to the front tube 20.

In summary, in this embodiment, the front tube 20 and the front fork frame 30 can be sequentially disposed under the handle riser 13 and then the internal thread segment 131 below the handle riser 13 is fixed with the fixing member 40. The assembly is not only quick and convenient to assemble, but also can effectively reduce the cost of assembly, and also greatly saves the correction problem between the driver 11, the standpipe 12 and the handle riser 13.

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 restrictive, and various types of bicycle head mechanisms including the above features are based on the spirit and scope of the present invention. Changes are covered by this new model.

10‧‧‧ head body

11‧‧‧ Drivers

12‧‧‧ erection

13‧‧‧Handle riser

130‧‧‧stop

132‧‧‧Perforation

14‧‧‧Decorative cover

20‧‧‧Before

200‧‧‧ Cut

21‧‧‧ bearing

30‧‧‧Front fork

31‧‧‧Combination

310‧‧‧Inner hole

32‧‧‧Extension

33‧‧‧forced parts

40‧‧‧Fixed parts

50‧‧‧Limited parts group

51‧‧‧ nuts

52‧‧‧ bushing

53‧‧‧Bolts

70‧‧‧ Wheels

Claims (10)

A bicycle head mechanism includes: a front body having an integrally formed handlebar, a standpipe and a handle riser, the handlebar is coupled to one end of the standpipe, and the other end of the riser extends The handle riser, the handle riser protrudes to form an annular stop portion; a front tube, the front tube is pivotally disposed on the handle riser, and an end surface of the front tube is adjacent to the handle riser a bottom surface of the stopper; a front fork frame having a joint portion and an extension portion, the joint portion being sleeved on the handle riser and adjacent to the front end of the front tube away from the stop portion; a fixing member, the fixing member having one end abutting against the joint portion of the front fork frame away from one side of the front tube, and the other end being fixed to the handle riser. The bicycle head mechanism according to claim 1, wherein the handlebar, the standpipe, and the handle riser are cast or welded integrally. The bicycle head mechanism according to claim 1, further comprising a limiting member set, and correspondingly the limiting member group is provided with a perforation between the stopping portion of the handle riser and the end of the vertical tube. The cross-section of the tube includes a nut, a bushing and a bolt, the bushing is limited to the perforation of the handle riser, and the other side is located at the front tube. The opening is received by the nut on the inside of the handle riser, and one end of the bolt passes through the bushing and is locked to the nut. The bicycle head mechanism according to claim 1, wherein a bearing is disposed between the two ends of the front tube and the handle riser. The bicycle head mechanism of claim 1, wherein the front fork frame is formed in an inverted L shape to The joint portion and the extension portion are formed. The bicycle head mechanism of claim 1, wherein the handle riser is formed with an internal threaded section in one end away from the riser, and the fixing member is a bolt, and one end of the fixing member abuts against the joint portion, and The segment is secured to the internally threaded section of the handle riser. The bicycle head mechanism according to claim 1, wherein the joint portion of the front fork frame is provided with at least one inner screw hole in a lateral direction, and the inner screw hole is internally locked with a pressing member for one end of the pressing member. Reinforce the surface of the handle riser. The bicycle head mechanism according to claim 7, wherein the front fork frame is provided with two inner screw holes, and the two inner screw holes are disposed at different angles. The bicycle head mechanism according to claim 1, further comprising a wheel, and the wheel is coupled to the extension at one end of the joint. The bicycle head mechanism according to claim 1, further comprising a decorative cover, the decorative cover is sleeved on the handle riser, and is located between the stop portion and the front tube, the handle riser is at the stop portion The distance to one end of the standpipe is less than or equal to the total height of the joint of the decorative cover, the front tube and the front fork.