JPH0721433Y2 - Handle post fixing device - Google Patents

Description

[Detailed description of the device]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a fixing device for a bicycle handle post, and it is an object of the present invention to reduce man-hours, improve processing accuracy, improve fashionability, and reduce manufacturing cost.

[0002]

2. Description of the Related Art A known handle post fixing device is a male screw portion provided on a lower portion of a pulling rod 1 as shown in FIG. 6, which is inserted into a handle post (not shown). 2, a screw (not shown) is screwed in, the upper end is projected above the handle post, and the base 6a of the lever 6 for rotating the head 3 is attached to the protruding upper end. .

The mounting of the lever base 6a is
As shown in the enlarged cross-sectional view of the main part of FIG. 7, a groove groove 6b continuous in the circumferential direction is formed in the lever base portion 6a, and the head portion 3 is formed in a direction intersecting with the axial direction of the pulling rod 1. , The lever hole 4 for inserting the lever base 6a
And a spring which extends from the upper end of the pull-up rod 1 (upper end of the head portion 3) in the axial direction of the pull-up rod 1 through the lever hole 4 and downward of the pull-up rod 1. The hole 5 is opened, and further the spring hole 5
A spring 7 is inserted in the inner part of the inside, and the lever base 6a is inserted into the lever hole 4 in a state where the spring 7 is pushed into the inner part of the spring hole 5, and the spring 7 is released so that its upper end is located at the handle base part. It is attached by being pressed into the concave groove 6b of 6a.

[0004]

However, in the above-mentioned conventional structure, since the spring hole 5 needs to be formed in the lower portion of the lever base portion 6a, the head portion 3 only needs to be made sturdy. Instead, it is necessary to increase the height H of the head portion 3, which makes the forging process difficult, and eventually the pull-up rod 1 needs to be cut out by a troublesome cutting process.

In connection with the above construction, the appearance is not good, and a deep spring hole 5 is formed from the upper end of the head portion 3 through the lever hole 4 and extends downward in the axial direction of the pulling rod 1.
There is a problem in that accurate cutting is required to form the groove, a great amount of labor is required for the cutting work, and it is difficult to obtain the accuracy of the cutting work.

[0006]

Therefore, in the present invention, various problems in the above-mentioned conventional techniques are solved, and the man-hours are reduced, the machining accuracy is improved, and the fashionability is improved.
Also, the manufacturing cost is reduced.

That is, specifically, a screw-shaped portion, which is inserted into the handle post and provided on the outer peripheral surface of the lower portion, is screwed into a tightening usb so as to be able to advance and retreat, and the upper end is the handle post. Of the lever, and a lever rod for rotating the lever is inserted through the protrusion upper end in the intersecting direction and rotatably, and the shaft is attached to the upper end of the pull rod. A lever hole through which the lever base is inserted so as to cross the direction, a spring hole opened to allow the lever base to pass through the lever hole from the upper end surface, a lever through which the base is rotatably inserted into the lever hole, and the lever base It consists of a continuous groove formed in the circumferential direction and a cap with a lever insertion hole at a side symmetrical position where it is attached to the upper end of the pulling rod, and the spring hole is located in the groove of the lever base. And combined by inserting the spring into the spring hole, the causes are 圧挿 by the inner surface of the cap which relates handle post anchoring device characterized by comprising by inserting the lever into the lever insertion hole of the cap.

[0008]

When assembled, an appropriate jig having a cross-sectional area approximately equal to the cross-sectional area of the lever base is loosely fitted in the lever hole in advance, and the jig is directed from the spring hole opened at the upper end surface of the pull-up rod to the jig. Insert the spring, then put the cap on the upper end of the pull-up rod and align the insertion hole with the lever hole. Next, insert the base of the lever through the lever insertion hole of the cap, press the tip of the lever against the jig that has been loosely fitted, and push it out from the hole on the opposite side. In other words, when the tip of the lever base approaches the spring hole, presses the spring itself instead of the jig described above, and when it further enters and the tip projects slightly outward from the lever insertion hole on the opposite side of the cap, the lever base The groove is aligned with the spring hole, the spring enters the groove of the lever base, and is mounted in a state in which axial movement from that position is restricted.

Further, regarding the operation, at the upper end of the pull-up rod, the lever can freely rotate in the circumferential direction, and when the lever is L-shaped, the lever is rotated in an appropriate direction for easy operation, and To fix or loosen the handle post with respect to the head lug (head pipe) by rotating the pull-up rod in the circumferential direction with the lever and moving up and down the us that is screwed into the lower end. You can

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The concrete contents of the present invention will be described below with reference to FIGS.
Referring to the embodiment shown in FIG. 4, 11 is a pulling rod, 13 is a pulling rod head, 16 is a lever,
Reference numeral 17 is a coiled spring, 18 is a cap, 20 is a spacer collar, 21 is a handle post, and 23 is a us.

The pull-up rod 11 is inserted into a hollow handle post 21 and has a length sufficient for both the upper and lower ends thereof to project from the handle post 21, and a male screw portion is formed on the peripheral surface at the lower portion. 12 is formed, and a head 13 is integrally formed on the upper end.

A lever hole 14 is formed in the head 13 so as to cross the axial direction of the pull-up rod 11 and allow the base portion 16a of the lever 16 to pass therethrough. Further, the lever hole 14 described above from the upper end surface of the head 13 is formed. A spring hole 15 having a lower end opened through the lever hole 14 is provided in a direction orthogonal to

Further, the lever 16 is formed in a substantially L shape, and a base portion 16a thereof is formed with a recessed groove 16b which is continuous in the circumferential direction. The recessed groove 16b is formed in the pulling rod 11 described above. The spring 17 fitted in the spring hole 15 is compressed and held between the groove 16b and the inner surface of the cap 18 so as to restrict the movement in the axial direction and at the same time the lever. The spring pressure applied to the 16 allows the lever 16 itself to be stably attached to an appropriate position.

When the lever 16 is attached, a proper jig Z is loosely fitted in the lever hole 14 in advance, and the spring hole 15 opened on the upper surface of the head 13 integrally formed on the upper end of the pulling rod 11. Spring 17 is inserted from above toward the jig Z, and then the cap 18 is put on the head 13 at the upper end of the pull-up rod 21 and the insertion hole 1
Align 9b with lever hole 14. Next, the base portion 16a of the lever 16 is inserted from the lever insertion hole 19b of the cap 18, the tip of the base portion 16a is pressed against the jig Z that is loosely fitted, and the base portion 16a is pushed out from the hole on the opposite side.

That is, when the tip of the lever base portion 16a reaches the spring hole 15, the spring 17 is held by the jig Z instead of the jig Z, and the tip is further advanced through the lever insertion hole 19b on the opposite side of the cap 18. The groove 16b of the lever base 16a where it protrudes slightly outward
And the spring hole 15 are aligned with each other, and the spring 17 has the lever base end portion 16
At the same time as the spring pressure is applied to the lever 16 itself by entering into the groove 16b of a, the attachment is completed while the axial movement from that position is restricted.

Further, regarding the operation, the lever 16 can freely rotate in the circumferential direction at the upper end head portion 13 of the pulling rod 21, and when the lever 16 is L-shaped, it can be operated in an appropriate direction. The handle post 21 is rotated by rotating the pull-up rod 11 in the circumferential direction by the lever 16 and moving the screw 23 screwed into the lower end up and down. Can be fixed or loosened against. Reference numeral 22 represents a handle stem.

[0017]

As described above, the present invention has a lever hole through which the lever base is inserted in the upper end of the pull-up rod so as to intersect with the axial direction of the pull-up rod, and a spring hole which is opened so as to pass from the upper end face of the pull-up rod into the lever hole. A lever for rotatably inserting the base end into the lever hole, a circumferentially continuous groove formed in the lever base end, and a side surface symmetrical position to be attached to the upper end of the pulling rod. The spring hole is aligned with the concave groove of the lever base, the spring is inserted into the spring hole, and the spring is inserted into the inner surface of the cap. Since the lever is inserted through the insertion hole, it can be used as a bicycle handle post fixing device, and can be sufficiently processed by forging without using conventional cutting work. Reduction as well as it can also be achieved a reduction in cost, also good processing accuracy, moreover, etc. is excellent in Fasshiyon properties by changing the cap of the color, shape, exhibits various excellent functions and effects.

[Brief description of drawings]

FIG. 1 is a vertical sectional view of a handle post fixing device according to an embodiment of the present invention.

FIG. 2 is an enlarged plan view showing a pull-up rod and a lever attached to the pull-up rod in the apparatus shown in FIG.

FIG. 3 is a partial side view taken along the line AA in FIG.

FIG. 4 is a partial cross-sectional view taken along the line BB in FIG.

FIG. 5 is an enlarged longitudinal sectional view of an essential part showing a procedure for attaching a lever base to a head part.

FIG. 6 is a side view of a conventional handle post fixing device with a part omitted.

FIG. 7 is a partial cross-sectional view showing an enlarged mounting portion of the lever in FIG.

[Explanation of symbols]

 11 Lifting Rod 12 Male Screw Part 13 Head 14 Lever Hole 15 Spring Hole 16 Lever 16a Lever Base 16b Recessed Groove 17 Spring 18 Cap 19a Lever Insertion Hole 19b Lever Insertion Hole 20 Spacer Collar 21 Handle Post 22 Handle Stem 23 Us Z Jig

Claims (1)

[Scope of utility model registration request] 1. A screw-shaped portion, which is inserted into a handle post and is provided on an outer peripheral surface of a lower portion, is screwed into a tightening usb so as to be able to advance and retreat, and an upper end is projected above the handle post. Moreover, a lever rod for rotating the lever is inserted into the projecting upper end portion in a crossing direction and rotatably, and a lever is provided so as to intersect with the upper end portion of the pulling rod in the axial direction. A lever hole through which the base end is inserted, a spring hole opened so that the base end is inserted into the lever hole, a lever through which the base end is rotatably inserted into the lever hole, and a circumference formed on the lever base end. Direction continuous groove, consisting of a cap having a lever insertion hole at a side symmetrical position where it is attached to the upper end of the pulling rod, and the spring hole is aligned with the groove at the lever base end, The above A handle post fixing device, characterized in that a spring is inserted into a slot, the spring is inserted by the inner surface of a cap, and a lever is inserted into a lever insertion hole of the cap.