CN2399280Y

CN2399280Y - Bicycle shock-proof saddle tube device

Info

Publication number: CN2399280Y
Application number: CN99214386U
Authority: CN
Inventors: 郑天助
Original assignee: JINHENG VEHICLE CO Ltd
Current assignee: JINHENG VEHICLE CO Ltd
Priority date: 1999-06-25
Filing date: 1999-06-25
Publication date: 2000-10-04
Anticipated expiration: 2009-06-25

Abstract

The utility model relates to a shock absorbing seat tube device for bicycles, which comprises a seat tube main body and a central tube, wherein, a head part of the seat tube main body is provided with a convex part, the convex part is provided with a pivot hole, the bottom side of the convex part is provided with an open slot, and shaft holes are formed on both ends of the open slot; the center of the central tube is penetrated with a through hole, a shoulder part is arranged inside the through hole, both sides on one end of the central tube are formed with lugs, and the other end of the central tube is provided with a screw hole. An adjusting rod is arranged additionally. An annular shoulder part is formed on the adjusting rod, and one end of the adjusting rod is concavely provided with a screw hole. In addition, the annular shoulder part is fixed by screws to the screw hole on the rod end of the adjusting rod. A fixed rod is arranged additionally, and both ends of the fixed rod are concavely provided with screw holes respectively. While a sheathing hole is penetrated on the fixed rod. Thus, the efficacy of angle adjustment and shock absorption can be achieved.

Description

Automatic shock-proof seat pipe unit

The utility model relates to a kind of automatic shock-proof seat pipe unit, particularly relates to a kind of automatic shock-proof seat pipe unit that can adjust angle.It has preferable ease of use and shock-absorbing effect, and can say so a kind of quite have practicality and progressive quite are worth industrial community to be promoted, and make the product of society know.

The prosperity of Taiwan bicycle industry is obvious to all, and its export value in last year still is world-class level, is being that " bikedom " is quite to cut Taiwan bicycle industry just as said Taiwan, the external world just;

Yet as to occupy this world-class name unceasingly, need constantly weed out the old and bring forth the new in Taiwan, especially just follow after Taiwan with fastish step in nearby nations Korea S, continent, hereat the bicycle dealer in Taiwan also is faced with great competitiveness, for making the Taiwan bicycle industry still can breaking out exhibition of paulin, have only and continually develop research and improve and be only unique road;

The seat tubular construction of bicycle is to be one of considerable element structure, because it is linking bicycle saddle cushion, therefore also being in particular the dealer on requiring and emphasizing, also be one of emphasis that the dealer made great efforts to develop, and existing bike saddle tubular construction all has following drawback:

1. because the seat cushion place is bicycle rider institute the most stressed direct place, especially when bicycle when driving, its seat cushion place can be subjected to stress impact from all directions simultaneously, and this impact is easy to cause rocking of rider's hip and shakes, therefore make hip produce the ache pain quite easily, so it must have good shock-proof effect, can alleviate the injured probability of rider.

2. existing bike saddle tubular construction is all to adopt rigid body (RIGID BODY) structure, therefore it also can cause the single fixed angle of seat cushion simultaneously and can't adjust when cover is consolidated bicycle saddle cushion, and this can say so for the different statures of different people and quite not have practicality.

Moreover existing anti-vibration structure only be arranged on the pipe, therefore can cause seat pipe and the suffered stress maximum in seat cushion junction, and can't effectively stress guide be caused its elsewhere, cause the unstable solidity and the fragility of structure easily, just why bicycle people seat cushion often all produces one of cause of slight crack and fracture in this junction for this.

And for making the applicant be occupied the ground of seat in the international market, and can be improved at above defective, the design people is active development research, expectation can be studied a kind of bike saddle tubular construction, make it can improve general bicycle structure on the market significantly, and and then can make the user convenient in use, finally Providence doesn't let down a man who does his best, the design people is based on being engaged in this series products manufacturing experience for many years, and the permanent research and experiment of making great efforts, development and Design goes out the utility model automatic shock-proof seat pipe unit finally.

Main purpose of the present utility model is, overcome the defective that existing bicycle saddle tube exists, and a kind of automatic shock-proof seat pipe unit of new structure is provided, make its effect, and can make that according to this rider does not more have injured anxiety when driving with anti-vibration structure.

Another purpose of the present utility model is, a kind of automatic shock-proof seat pipe unit is provided, and it is not only had outside the shock-proof effect, and can be so that it has the effect of adjusting angle, and can drive the angular adjustment of seat cushion simultaneously, in order to driving of bicycle;

The purpose of this utility model is realized by following technical scheme.According to a kind of automatic shock-proof seat pipe unit that the utility model proposes, it mainly comprises a tube body and middle pipe, and it is characterized in that: this tube body head is provided with a protuberance, and this protuberance is provided with a pivot hole, and offer a fluting in this protuberance bottom side, and be formed with axis hole at the two ends of fluting;

The centre of pipe is equipped with a perforation in being somebody's turn to do, be provided with a shoulder in this perforation, so perforation can be divided into first and second accommodation space, and on shoulder and be provided with a perforation, and be formed with lug in its both sides, one end of the central tube, the lug place also is provided with axis hole, can utilize a latch that middle pipe is pivoted on the protuberance of present tube body with this; And the other end of middle pipe be provided with screw and can cooperate screw with pullover being locked in the other end of pipe;

Be provided with an adjusting lever in addition, form a ring shoulder on this adjusting lever, and adjusting lever is divided into bar portion and rod end, and an end of adjusting lever is concaved with screw, so can utilize adjusting lever to cooperate a sheathed elastic body and be inserted in in first accommodation space of pipe perforation, and its adjusting lever bar portion is worn to second accommodation space, and and to make that a screw is inserted in a pad and second elastic body spiral shell in second accommodation space respectively solid to the screw of adjusting lever rod end;

Be provided with a fixed link in addition, the two ends of this fixed link are concaved with screw respectively, and on the fixed link and be equipped with a trepanning, so and can so that the bar portion of adjusting lever be inserted in this trepanning, and utilize two screw tightenings to lock in the screw, and pull reach the effect of locking in the bar portion of adjusting lever in the top;

So and can moving in the fixed link trepanning, reach the adjustment effect of angle, and utilize tube wall that elastomeric elasticity is pressed structure, and reach the effect of shock-absorbing by adjusting lever.

The purpose of this utility model can also further realize by following technical measures.

Aforesaid automatic shock-proof seat pipe unit, the bar portion of wherein said adjusting lever is provided with a button hole, and this button hole can cooperate wearing of fixed link, and reaches the mono-shock-proof effect.

The utility model compared with prior art has tangible advantage and good effect.By above technical scheme as can be known, the defective that automatic shock-proof seat pipe unit does not have existing bike saddle tubular construction to be produced in use fully, and can be so that the rider more firmly reaches when driving conveniently, for making your juror more can recognize effect and value that the utility model can reach, discussed with regard to above argument now:

1. because the utility model is that pipe is hubbed on the protuberance of a pipe in utilizing, and elastomeric elasticity endurance is reached the effect of buffering and shock preventing by middle pipe, so being cushioned, the stress that can will be subjected to impacting from all directions lays down, and can simultaneously this stress be guided on middle pipe and the seat pipe, but not existing design only can be done the single effect of shock-absorbing at the seat pipe, therefore change and can reach better buffering effect by elastic body with big plastic deformation, can not only improve the effect and the steadiness of structure, and can lower the rider the stress that bears from seat cushion, do not have injured situation and produce.

2. automatic shock-proof seat pipe unit of the present utility model has more the effect of adjusting angle, and structure and can do suitable adjustment to meet the requirement of everyone different human body engineering whereby, effectively improves the practicality of product.

3. the utility model automatic shock-proof seat pipe unit, because its only to be present tube body make slightly change and cooperation middle tubular construction of being provided with perforation, so its simple structure, so minimizing that manufacturing cost is also relative, and and effect and use that product can reach are substantive relatively next, be value-for-money in fact, so the utility model can be said so and quite had the value of industry.

In sum, the utility model automatic shock-proof seat pipe unit, it is in limited field, technical development space, no matter structurally or bigger improvement all arranged on the function, and have large improvement technically, and produced handy and practical effect, and have the effect of enhancement really, thereby being suitable for practicality more, really is a new and innovative, progressive, practical new design.

Concrete structure of the present utility model is provided in detail by following examples and accompanying drawing thereof.

Fig. 1 is the exploded perspective scheme drawing of the utility model automatic shock-proof seat pipe unit;

Fig. 2 is the schematic perspective view of the utility model automatic shock-proof seat pipe unit;

Fig. 3 is the generalized section of the utility model automatic shock-proof seat pipe unit;

Fig. 4 is the adjustment angle structural representation of the utility model automatic shock-proof seat pipe unit;

Fig. 5 is the anti-vibration structure scheme drawing of the utility model automatic shock-proof seat pipe unit;

Fig. 6 is another embodiment exploded perspective scheme drawing of the utility model automatic shock-proof seat pipe unit;

Fig. 7 is another embodiment generalized section of the utility model automatic shock-proof seat pipe unit.

Below in conjunction with accompanying drawing and preferred embodiment, to according to the automatic shock-proof seat pipe unit that the utility model proposes, its concrete structure, feature and effect thereof, describe in detail as after.

See also Fig. 1 to Fig. 3 shown in, a kind of automatic shock-proof seat of the utility model pipe unit, its mainly comprise a tube body 10 and in pipe 20, wherein:

A tube body 10, these tube body 10 heads are provided with a protuberance 11, and this protuberance 11 is provided with a pivot hole 111, and offers a fluting 12 in these protuberance 11 bottom sides, and is formed with axis hole 121 in the two ends of fluting 12;

Middle pipe 20, should middlely manage 20 centre and be equipped with perforation 21, be provided with a shoulder 211 in this perforation 21, so perforation 21 can be divided into first accommodation space 212, second accommodation space 213, and on the shoulder 211 and be provided with one the perforation 21, and manage 20 1 end both sides therein and be formed with lug 22, lug 22 places also are provided with axis hole 221, can utilize a latch 23 that middle pipe 20 is pivoted on the protuberance 11 of present tube body 10 with this; And the other end at middle pipe 20 is provided with screw 201, and can cooperate screw 202 be locked in pullover 24 in pipe 20 the other end;

Be provided with an adjusting lever 30 in addition, form a ring shoulder 301 on this adjusting lever 30, and adjusting lever 30 is divided into bar portion 302 and rod end 303, and an end of adjusting lever 30 is concaved with screw 304, so can utilize adjusting lever 30 to cooperate sheathed elastic bodys 31 and be inserted in in first accommodation space 212 of perforation 21 of pipe 20, and the bar portion 302 that makes its adjusting lever 30 wears to second accommodation space 213, and and make a screw 32 be inserted in a pad 33 respectively and second elastic body 34 spiral shell in second accommodation space 213 solid to the screw 304 of adjusting lever 30 rod ends 303;

Be provided with a fixed link 40 in addition, the two ends of this fixed link 40 are concaved with screw 41 respectively, and on the fixed link 40 and be equipped with a trepanning 42, so and can be so that the bar 302 of adjusting lever 30 is inserted in this trepanning 42, and utilize two screw tightenings 43 to lock in the screw 41, and push up and pull in the bar portion 302 of adjusting lever 30, reach the structure of locking.

Please cooperate consult shown in Figure 4, when the utility model needs to adjust angle in use, it only needs first spiral shell to unclamp screw tightening 43, and adjust adjusting lever 30 to suitable angle, so can make the bar 302 of its adjusting lever 30 be able in the trepanning 42 of fixed link 40, move, that is to say when the angular adjustment ground of adjusting pipe 30 and heal when big, it is because the rod end 303 of adjusting lever 30 is that spiral shell is admittedly to screw 32, therefore can drive adjusting lever 30 simultaneously moves up, vice versa and can reach the structure effect of managing 20 angles in the adjustment, moreover see also shown in Figure 5, and in fixing after the angle of pipe (20), manage 20 in this when stressed, the tube wall of middle pipe 20 elastic body 31 that can bear down on one simultaneously, and can reach the effect of buffering or shock-absorbing by the elastic restoring force of elastic body 31, can say so quite has practicality.

Please cooperate again and consult Figure 6 and Figure 7, wherein this adjusting lever 30 ' bar portion 31 ' can a be provided with button hole 32 ', and this button hole 32 ' can cooperate fixed link 40 ' wear, and reach the mono-shock-proof effect, so can provide alternative single selection effect.

The above, it only is preferred embodiment of the present utility model, be not that the utility model is done any pro forma restriction, every foundation technical spirit of the present utility model all still belongs in the scope of technical solutions of the utility model any simple modification, equivalent variations and modification that above embodiment did.

Claims

1. automatic shock-proof seat pipe unit, its mainly comprise a tube body and in pipe, it is characterized in that:

This tube body head is provided with a protuberance, and this protuberance is provided with a pivot hole, and offers a fluting in this protuberance bottom side, and is formed with axis hole at the two ends of fluting;

Should in the centre of pipe be equipped with a perforation, be provided with a shoulder in this perforation, and on the shoulder and be provided with a perforation, and these both sides, one end of the central tube are formed with lug, this lug place also is provided with axis hole, a latch is pivoted middle pipe and is present on the protuberance of tube body; And the other end at middle pipe is provided with screw, and screw is with the other end of pipe in pullover being locked in:

Is provided with an adjusting lever in addition, forms a ring shoulder on this adjusting lever, and adjusting lever is divided into bar portion and rod end, and an end of adjusting lever is concaved with screw, a screw be inserted in a pad respectively and the second elastic body spiral shell solid to the screw of adjusting lever rod end;

Be provided with a fixed link in addition, the two ends of this fixed link are concaved with screw respectively, and on the fixed link and be equipped with a trepanning.

2. automatic shock-proof seat pipe unit according to claim 1 is characterized in that the bar portion of described adjusting lever is provided with a button hole.