Improved structure for shock absorber of bicycle

Bicycle shock absorber structure improvement

This creation is about "a structural improvement of a bicycle shock absorber", especially a shock absorber that can be installed on a bicycle.

According to the sixth figure, it is a conventional bicycle shock absorber 80 structure having a mandrel 81. The bottom end of the mandrel 81 is combined with a bicycle front fork tube (not shown), the mandrel. The inside of the 81 has a long slot 811. In addition, a steel ball sleeve 82 on which a plurality of steel balls 821 are mounted is disposed on the outer periphery of the spindle 81, and a vertical tube 83 is disposed on the outer periphery of the steel ball sleeve 82. The top end is combined with a handle tube (not shown) of the bicycle. The inside of the vertical tube 83 has an inner rod 831 which is deep into the long slot 811 of the spindle 81. The end of the inner rod 831 has a long block. 832, and a spring 84 is disposed inside the vertical pipe 83, and the spring 84 is located on the top surface of the steel ball sleeve 82; thereby, the user can use the handle tube of the bicycle to link the vertical pipe 83 to the inside of the vertical pipe 83. The rod 831 interlocks the mandrel 81 to rotate the fork tube before the mandrel 81 is linked to the bottom end; although the conventional structure has the aforementioned utility, it uses the inner rod 831 of the standpipe 83 to penetrate the mandrel 81. In the long slot 811, the long shaft 832 of the inner rod 831 drives the spindle 81 to rotate, and thus, due to the spindle 81 When the slot 811 is rotated, a gap is generated. If it is assembled on a bicycle as a shock absorber, it may easily cause inconsistency in the direction of control of the standpipe 83 and the spindle 81 when the bicycle rotates, and is likely to be dangerous. Moreover, it is also likely to cause Wear occurs between the components, resulting in a decrease in the life of the components; therefore, the lack of the aforementioned conventional structures is necessary for further improvement.

In view of the fact that there are still improvements in the current structure, the creator has been engaged in the multi-year production and sales experience of related products, and has been thinking about ways to improve the existing problems. After many improvements, he finally created a bicycle. The structure of the shock absorber is improved.

Therefore, the main purpose of the present invention is to provide an effect that a joint is generated between the members, and that no gap is formed during the rotation, and the structure of the shock absorber of the bicycle that effectively protects the service life of the assembly is improved.

In order to achieve the above object, the present invention proposes a structural improvement of a bicycle shock absorber, comprising: a mandrel having a longitudinal first flat cut surface and a bottom front end of the mandrel and a bicycle front fork tube a ball bearing sleeve, a plurality of balls are embedded in the outer circumference of the ball bearing sleeve, and the ball sleeve has a second flat cutting surface with respect to the outer peripheral edge of the first flat cutting surface of the mandrel, and the second flat cutting surface is embedded with a plurality of a roller arranged in parallel, the ball sleeve is sleeved on the outer circumference of the mandrel; an elastic element, the elastic element is located on the top surface of the ball sleeve; and a vertical tube, the top end of the vertical tube is combined with the handle tube of the bicycle And the arranging hole is provided with a third flat portion with respect to the inner peripheral edge of the second planar portion of the ball sleeve, and the accommodating hole is respectively received by the elastic member and the ball sleeve And a recessed ring groove is disposed in the inner peripheral edge of the receiving hole near the bottom, and the concave ring groove is disposed for positioning by a retaining ring, so that the bottom surface of the ball bearing sleeve is resisted by the retaining ring.

Wherein, the elastic element is a spring.

The following description of the preferred embodiment of the present invention is further described below in order to enable those skilled in the art to practice the present invention to be implemented in accordance with the present specification.

First, please refer to the first to third figures, which is a bicycle shock absorber structure improvement, comprising: a mandrel 10 having a longitudinal first flat section 11 on the outer circumference of the mandrel 10 (as shown in the first to third figures), and the bottom end of the mandrel 10 is coupled with the front fork tube 71 of the bicycle 70 (as shown in the fifth figure); a ball sleeve 20, the outer circumference of the ball sleeve 20 A plurality of balls 21 are embedded in the edge, and the ball sleeve 20 has a second flat surface 22 opposite to the outer circumference of the first flat surface 11 of the mandrel 10, and the second flat surface 22 is embedded with a plurality of parallel surfaces. a roller 23, and the ball sleeve 20 is sleeved on the outer periphery of the mandrel 10 (as shown in the first to third figures); an elastic member 30, the elastic member 30 is located at the top of the ball sleeve 20 a vertical tube 40, the top end of the vertical tube 40 is coupled to the handle tube 72 of the bicycle 70, and the vertical tube 40 has a receiving hole 41 for receiving The hole 41 is provided with a third flat portion 42 with respect to the inner circumference of the second flat portion 22 of the ball sleeve 20, and the receiving hole 41 is for the elastic member 30 and the ball respectively. The recessed groove 43 is provided with a retaining ring 44 for locating and positioning the bottom ring 44 so that the bottom surface of the ball sleeve 20 can be blocked by the retaining hole 41. The ring 44 resists (as shown in the first to third figures).

The elastic member 30 is a spring.

With the above combination, please continue to refer to the first to fifth figures, the user can install the artificial shock absorber structure on the front fork 71 of the bicycle 70 (such as the fourth and fifth figures). As shown in the figure), when the user rides on the bicycle 70 in the case of a rough road surface, the shock absorber of the present invention exerts a shock absorbing performance, which causes the bicycle 70 to be connected to the mandrel 71 10 is displaced upward, and the elastic member 30 in the standpipe 40 functions as an elastic shock absorber, and has the effect of using the shock absorber; and it is noted that since the inner circumference of the standpipe 40 is provided with a third flat portion 42 The ball sleeve 20 has a second flat cutting surface 22 with respect to the outer peripheral edge of the first flat cutting surface 11 of the mandrel 10. Therefore, when the user rotates the handle tube 72 of the bicycle 70, the vertical tube 40 is rotated, and the vertical tube can also be vertical. The tube 40 is connected with the mandrel 10 to rotate along with it, and since the vertical tube 40, the ball sleeve 20 and the mandrel 10 are joined by a flat cutting surface, the vertical tube 40, the ball sleeve 20 and the mandrel 10 are assembled. Produces the result of the bite (as shown in the third figure) and does not create a joint when rotated Gap, effective protection of the life jacket 20 of the ball, deep practicality.

In summary, the structure of the shock absorber of the bicycle has been improved, and the various shortcomings of the conventional structure have been effectively improved, and the main technical means of the creation have not been found in any related publications, and the application requirements of the new patent are met.put forward Apply in accordance with the law, and ask the bureau to grant the patent right.

<heading level="1">(this part of the creation)</heading><p>Mandrel. . . 10</p><p>The first flat section. . . 11</p><p>Ball sets. . . 20</p><p>Balls. . . twenty one</p><p>Second flat section. . . twenty two</p><p>Roller. . . twenty three</p><p>Elastic component. . . 30</p><p>Standpipe. . . 40</p><p>Hold the hole. . . 41</p><p>The third plane. . . 42</p><p>Concave ring groove. . . 43</p><p>Retaining ring. . . 44</p><p>bicycle. . . 70</p><p>Front fork tube. . . 71</p><p>Handle tube. . . 72</p><heading level="1">(previous part)</heading><p>Shock Absorbers. . . 80</p><p>Mandrel. . . 81</p><p>Long slot. . . 811</p><p>Steel ball set. . . 82</p><p>Steel ball. . . 821</p><p>Standpipe. . . 83</p><p>Inner pole. . . 831</p><p>Long block. . . 832</p><p>spring. . . 84</p>

The first picture is a three-dimensional exploded view of the creation.

The second picture is a schematic cross-sectional view of the creation.

The third picture is a schematic diagram of the top section of the creation.

The fourth drawing is a schematic perspective view of a preferred embodiment of the present invention.

The fifth drawing is a partial schematic view of a preferred embodiment of the present invention.

The sixth figure is a schematic exploded view of a conventional structure.