CN2595630Y

CN2595630Y - Structure improvement for bicycle parking leg

Info

Publication number: CN2595630Y
Application number: CN 03202226
Authority: CN
Inventors: 林朝崇
Original assignee: Individual
Current assignee: Individual
Priority date: 2003-01-16
Filing date: 2003-01-16
Publication date: 2003-12-31
Anticipated expiration: 2013-01-16

Abstract

The utility model relates to a structural improvement for a bicycle parking leg, particularly a combined structure for a bicycle parking leg, which is used for firmly supporting a bicycle via firm structural combination. The lower side of a rear fork end of a bicycle frame which is used for clamping the bicycle frame and combined with a fixed sheet is pivoted with a vertical tube, and the inner wall of the vertical tube is sheathed and positioned in via a convex pin which is arranged in the side direction of the upper end of a column pole on a longitudinal slot and aimed at the longitudinal slot. The upper end of an inner screw hole of the column pole is screwed with a screw rod having an upper end riveted with a gear which is engaged with a driving gear embedded with an embedded hole in the side wall of the vertical tube, and the outer side of the lower section of the vertical tube is sheathed with a teleflex positioning sheath set having rack bars arranged around inner walls. A teleflex can rotate to drive the driving gear to rotate the screw rod for fluent transmission, and the column pole can lift in the longitudinal slot of the vertical tube through the convex pin under the screwing action of the full contact between the screw rod and the column pole in order to form telescopic long and short regulating action to provide firm parking support for a bicycle.

Description

Bicycle parking socle structural improvement

Technical field

The utility model relates to bicycle structure, refers in particular to a kind of bicycle parking socle structural improvement.

Background technology

Taiwan was checked and approved No. 193997 on November 1st, 1992, and in " bicycle parking rack innovation structure " novel patent case of No. the 81209721st, application in July in 1992 21, its structure is as described in its claim: a kind of bicycle parking rack innovation structure, be to articulate standpipe and mast by a sleeve, it is characterized in that: be provided with negative thread in the sleeve pipe and pass the standpipe elongated hole and replace leading for leading the tip one side in the mast, so that mast is able to the turn of the sleeve start of stretching, the apical ring end face of sleeve is provided with a recessed teeth groove again again, replace clip and form a spine move registration device for the spring steel ball in the standpipe projection, be beneficial to sleeve apical ring end face teeth groove apart from the pitch diameter of coming the control pinion negative thread, to adjust the collapsing length of mast with the spine move sense of touch.

Patent structure is led tip leading in the negative thread of sleeve pipe with one as mentioned above, and the development length of mast is regulated in stretching of forming, its telescopic adjustment all be to lean on a tiny single-point of leading between the tip and negative thread to contact and support with supporting, the power of its support is very weak, when being subjected to other factor affecting, the power that supports bicycle increases suddenly when enlarging, prop up possibly and be unable to hold out and can destroy from leading the tip and the negative thread position contacting tooth that stretches tight, and the firm support can't provide bicycle parking time the, even whole scrapping and can not continue to use.

The utility model content

Main purpose of the present utility model is to provide a kind of bicycle parking socle structural improvement, firm support when providing bicycle parking with firm textural association, and fine and closely woven interlock transmission makes the adjusting operation more become smooth and easy.

For realizing above-mentioned purpose, the utility model is mainly tied a standpipe at vehicle frame Rear Ends/Dropouts clamping vehicle frame in conjunction with the downside pivot of a fixed plate, and the standpipe inwall allows a mast with the upper lateral one protruding tip with pod

Conjunction with figs. is enumerated a specific embodiment, introduces structure content of the present utility model in detail, and the function and benefit that can reach as after.

Figure 1 shows that perspective exploded view of the present utility model, it is mainly to have a standpipe 20 at vehicle frame Rear Ends/Dropouts clamping vehicle frame in conjunction with the downward pivot of the downside of a fixed plate 10, cooperates a mast 30, C type to buckle compositions such as 40 and one pivoted housing 50, wherein:

Standpipe 20, the body that is an epimere rectangle hypomere circle is provided with pod 21 at inwall, be arranged with an outer groove 22 at the hypomere outer wall again, reach in the position of relative pod 21 and dig a downward opening breach 23 downwards from outer groove 22, the knot one horizontal tip 24 is inserted in the standpipe stage casing, and tie a transmission gear 26 with an embedding hole 25 embeddings at the tube wall of the horizontal tip 24 downsides, and standpipe 20 is at the epimere noose one decorations cover 27 of the horizontal tip more than 24.

Mast 30, be the lower end hollow tube that is pressed into an enlarged base one side is in conjunction with a protruding tip 31 in the upper end, the mesopore of its epimere forms tapped bore 32 and spiral shell is tied a screw rod 33, ties a gear 34 in screw rod 33 upper ends with hexagonal section 331 rivetings that are convexly equipped with again.

The C type buckles 40, and the footpath inwardly is convexly equipped with a lug 41 in the position of opening relatively within it.

Pivoted housing 50 is the tubular body that an inwall circular row has longitudinal rack 51, but its bottom diameter is established rank annular groove 52 nooses, one spring 53 and one section lining 54 in one, and the apical ring end face in the upper end is concaved with several grooves 55.

Figure 2 shows that combination dissected figure of the present utility model, the combination of said structure be with mast 30 with the protruding tip 31 of its epimere one side aim at standpipes 20 pod 21 and by being inserted in the lower end, make its spiral shell knot screw rod 33 upper ends be butted on standpipe 20 stage casings and wear till the horizontal tip 24 of knot, the gear 34 of its screw rod 33 upper end riveting knots is then aimed at transmission gear 26 engagements of the standpipe 20 horizontal tip 24 downside embeddings knots and is formed; Pivoted housing 50 is inserted in standpipe 20 hypomeres by standpipe 20 lower ends, pivoted housing 50 upper ends are butted on till the horizontal tip 24 in standpipe stage casing, in its lower end behind rank annular groove 52 noose springs 53 and the lining 54; In standpipe 20 lower end outer grooves 22 the C type is buckled 40 again and aim at standpipe lower end breach 23 with its inboard lug 41 and buckle roped party and close, make its lug 41 retainings form the spacing combination of orientations, prevent that its slippage from dropping out at the protruding tip 31 of 21 pairs of masts 30 of pod of standpipe 20; Simultaneously buckle 40 springs 53 and lining 54 that block pivoted housing lower end noose in the outside, standpipe 20 lower ends with this C type, make pivoted housing 50 normalities be subjected to push away on the spring 53 and with the groove 55 of its apical ring end face and the combination of the horizontal tip 24 contacts location of standpipe 20, and form solid group structure as shown in Figure 3.

Figure 4 shows that transversal surface combination dissected figure of the present utility model, be that the utility model drives transmission gears 26 with the longitudinal rack 51 of its inwall can be by pivoted housing 50 rotation the time and rotates 30 spiral shells of mast and aim at pod and be inserted in, standpipe lower end outer groove in the pod position from outer groove to dividing into a downward opening breach, cooperate the outer groove button to tie a C type and be buckled in gap position and inwardly be convexly equipped with the lower end outlet of lug sealing pod, block the protruding tip of mast upper lateral and directed spacing combination; The mast internal thread hole is tied a screw rod at upper end snail and is tied a gear in the upper end riveting, and with the transmission gear engagement of standpipe sidewall one embedding hole embedding knot, one section inwall circular row of standpipe hypomere outside noose has the pivoted housing locating bush group of longitudinal rack.

Specifically have:

A kind of bicycle parking socle structural improvement, be mainly to have a standpipe in conjunction with the downward pivot of the downside of a fixed plate at vehicle frame Rear Ends/Dropouts clamping vehicle frame, the standpipe inwall allows a strut rod be inserted in and directed and spacing combination with upper lateral one protruding tip aligning pod with pod, mast inside is tied a screw rod with tapped bore at upper end snail, the transmission gear engagement of a gear and standpipe sidewall one embedding hole embedding knot is tied in screw rod upper end riveting, the pivoted housing locating bush group of one section inwall circular row of standpipe hypomere outside noose longitudinal rack, the rotating screw bolt by pivoted housing rotating band nutating gear makes the mast will be with the lifting and form flexible length regulating action in pod of its protruding tip by the screw action between screw rod and mast.

Described bicycle parking socle structural improvement, wherein the locating bush group of pivoted housing is to tie a C type in the standpipe lower end with the outer groove embedding to buckle, the C type buckle and pivoted housing between noose one elastic element compel to open on the pivoted housing normality and push up, when pivoted housing is rotated with groove around the upper end and standing tube outer wall one horizontal tip formation positioning action.

Described bicycle parking socle structural improvement, wherein the spacing combination of column jecket be in standpipe lower end outer groove in the pod position from outer groove to dividing into a downward opening breach, the C type that cooperates the outer groove button to tie is buckled in gap position and inwardly is convexly equipped with the lower end outlet of lug sealing pod, blocks the spacing combination of the protruding tip of mast upper lateral.

Description of drawings

Fig. 1 is a three-dimensional exploded view of the present utility model;

Fig. 2 is a combination dissected figure of the present utility model;

Fig. 3 is a three-dimensional combination figure of the present utility model;

Fig. 4 is a transversal surface combination dissected figure of the present utility model;

Fig. 5 is that the embodiment cut-away view is made in stretching exercises of the present utility model;

Fig. 6 is a combined planar scheme drawing of the present utility model.

The gear 34 of the screw rod 33 upper end riveting knots of specific embodiment group, promptly make the mast 30 will be with its protruding tip 31 directed lifting in the pod 21 of standpipe 20 by the screw action of 30 of rotating screw bolt 33 and masts, and make mast 30 form flexible length regulating action, as shown in Figure 5.

And for example shown in Figure 6, among above-mentioned adjusting operation, its pivoted housing 50 can make the groove 55 of its upper end apical ring end face can take turns when rotated to locate with the horizontal tip 24 contacts of standpipe 20 by the effect that pushes away on its spring 53, makes the sense of touch that can form a kind of spacing in the operation of rotation.

Structure by above-mentioned specific embodiment, its screw action of the utility model with mast inner bolt hole and the full interlock of screw rod, firm support when forming well-set flexible operation bicycle parking being provided, and cooperate pivoted housing and the fine and closely woven interlock transmission drive of transmission gear, make the operation of telescopic adjustment more become smooth and easy.

Claims

1, a kind of bicycle parking socle structural improvement, it is characterized in that, have a standpipe at vehicle frame Rear Ends/Dropouts clamping vehicle frame in conjunction with the downward pivot of the downside of a fixed plate, the standpipe inwall allows a strut rod be inserted in and directed and spacing combination with upper lateral one protruding tip aligning pod with pod, mast inside is tied a screw rod with tapped bore at upper end snail, the transmission gear engagement of a gear and standpipe sidewall one embedding hole embedding knot is tied in screw rod upper end riveting, the pivoted housing locating bush group of one section inwall circular row of standpipe hypomere outside noose longitudinal rack.

2, bicycle parking socle structural improvement according to claim 1 is characterized in that, wherein the locating bush group of pivoted housing is to tie a C type in the standpipe lower end with the outer groove embedding to buckle, the C type buckle and pivoted housing between noose one elastic element.

3, bicycle parking socle structural improvement according to claim 1 and 2, it is characterized in that, wherein the spacing combination of column jecket be in standpipe lower end outer groove in the pod position from outer groove to dividing into a downward opening breach, the C type that cooperates the outer groove button to tie is buckled in gap position and inwardly is convexly equipped with the lower end outlet of lug sealing pod, blocks the spacing combination of the protruding tip of mast upper lateral.