CN2500585Y

CN2500585Y - Fixed structure for improved pedal pipe

Info

Publication number: CN2500585Y
Application number: CN 01267589
Authority: CN
Inventors: 李焜湖
Original assignee: Individual
Current assignee: Individual
Priority date: 2001-10-15
Filing date: 2001-10-15
Publication date: 2002-07-17
Anticipated expiration: 2011-10-15

Abstract

The utility model provided a modified pedal tube fixing structure with long service life, easy fabrication and good stability. The utility model comprises a forked tube, a pedal tube, a latching device and a hub shaft. The pedal tube fixing structure is stabilized by the double location, and by the multi-angle combination of the latching device and the positioning space, the positioning space of the pedal tube is changed to fit with the different walls of the latching device, thereby balancing the degrees of surface wearing of the pedal tube. Additionally, the worn surface of the pedal surface can be changed, the service life of the pedal tube is prolonged and the fabrication process is simplified.

Description

Improved foot-operated pipe fixation structure

Technical field

The utility model relates to a kind of field of bicycle pedals pipe, particularly a kind of so improved foot-operated pipe fixation structure, and it steps on the surface energy that pipe has the conversion abrasion by polygonal cooperation form and make.

Background technology

At present, cross-country car moves, and that is liked by people, even riding of cross-country car dullness sailed action change into the performance of every fancy, to represent the vigor of the active and kickster of teenager, and be expand performance expansionary, bicycle promptly must be reequiped, asked to cooperate the action in the performance, modal is exactly the foot-operated pipe of installing on the wheel shaft of front and back, trample mode for performing artist's conversion, or provide the performance of trampling that many people take advantage of altogether, and shown in the general habitual foot-operated Guan Keru annex, No. the 8720097th, the i.e. Taiwan patent application of " improvement of bicycle pedals tube positioning structure " by name, the binding end that the prior art mainly discloses foot-operated pipe convexes with a stop section, this stop section is convexly equipped with a bulge loop 231 and is embedded in the annular groove portion 122 of fork pockets 12 in the through hole outside, the periphery of this bulge loop 231 extends one less than the projection 232 of its external diameter and be embedded at the straight trough portion 121 of fork pockets.

Though the prior art has the effect of expection, but must will riding pipe processing car system on making, it just can mold bulge loop 231 and projection 232, and it must process annular groove portion 122 and straight trough portion 121 respectively in the structure of fork pockets, thereby increases the manufacturing cost in the processing.In addition, do not have the effect of changing direction by foot-operated pipe, make and should ride pipe under using for a long time, the abrasion on its surface directly influence service life, quite do not have utilizability.

In view of this, the design people is promptly improved at above-mentioned defective, develops a kind of improved foot-operated pipe fixation structure of defective of the known technology existence of forgoing simultaneously.

Summary of the invention

The purpose of this utility model provides a kind of improved foot-operated pipe fixation structure, especially a kind ofly prolongs foot-operated pipe service life, is easy to make constitutionally stable improved foot-operated pipe fixation structure.

For realizing that employing technical scheme of the present utility model is:

A kind of improved foot-operated pipe fixation structure, comprising having:

One breeches pipe, one side are provided with the ditch pawl of a tool fork pockets;

One steps on pipe, is located at a side of breeches pipe;

One clamping and drawing device, the one end is incorporated in the fork pockets, and the other end combines with stepping on can not produce with the relative rotation between pipe;

One hub axle bar, its ora terminalis is stretched through out by this fork pockets, described clamping and drawing device with step on pipe jointing and fix.

The described pipe outer rim of stepping on is provided with the embossing position.

The described Guan Yiduan of stepping on is made as a binding end, be provided with certain bit space in this binding end, this space, location is the etat lacunaire of a hexagonal configuration, and clamping and drawing device is the hexagon bulk, and has the first side wall and second sidewall, and the first side wall is provided with a protuberance, this protuberance can be contained in the fork pockets, the first side wall is connected to ditch pawl outer side surface, and second sidewall then can be located the space with this and be combined, and the internal face in second sidewall and this space, location connects.

The described pipe other end of stepping on then is provided with the ccontaining position of an indent, and that packing ring and nut are included in hub axle rod end edge spiral shell is solid.

Second sidewall of described clamping and drawing device can be included in the space, location.

Described clamping and drawing device second sidewall convexes with a ring set, and the less axostylus axostyle of external diameter stretches into this ring set.

The utility model cooperates with location the polygonal of space by clamping and drawing device, making the space, location of stepping on pipe have the conversion wall different with clamping and drawing device cooperates, step on the degree of tube-surface abrasion and keep consistency and reach balance, and step in the manufacturing of pipe not and must be one-body molded to go out location structure, so step in the manufacturing of pipe simpler and easy, moreover utilize the fork pockets of clamping and drawing device and breeches pipe to produce the two-fold location structure, stablize the location structure of stepping on pipe by dual location like this.

The utlity model has following characteristics and advantage:

1, the improved foot-operated pipe fixation structure that the utility model proposes, cooperate with the polygonal of interior tube space by clamping and drawing device, make the space, location of stepping on pipe have the conversion wall different and cooperate, change the tube-surface of stepping on that is worn away and reach, thereby can prolong the service life of stepping on pipe with clamping and drawing device.

2, the improved foot-operated pipe fixation structure that the utility model proposes, it steps on the location structure that is formed in one out in the manufacturing of pipe, so step in the manufacturing of pipe simpler and easy.

3, the improved foot-operated pipe fixation structure that the utility model proposes utilizes the fork pockets of clamping and drawing device and breeches pipe to produce the two-fold location structure, stablizes the location structure of stepping on pipe by dual location like this.

Description of drawings

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

Fig. 2 is an assembled state cutaway view of the present utility model;

Fig. 3 is the A-A cutaway view of first running condition of the present utility model;

Fig. 4 is the A-A cutaway view of second running condition of the present utility model;

Fig. 5 is the block diagram of another embodiment of the present utility model;

Fig. 6 is the assembled state cutaway view of Fig. 4;

Fig. 7 is the block diagram of another embodiment of the present utility model;

Fig. 8 is the assembled state cutaway view of Fig. 6;

Fig. 9 is the actual running condition figure of the utility model.

The drawing reference numeral explanation

10, breeches pipe 11, ditch pawl 2, fork pockets

20, step on pipe 21, embossing position 22, binding end

23, ccontaining position 24, space 25, location, perforation

26, packing ring 27, nut 30, clamping and drawing device

301, the first side wall 302, second sidewall 31, perforation

32, protuberance 33, ring set 40, hub axle bar

41, screw rod 31, perforation 50, front fork

The specific embodiment

For being had, relevant the utility model effect, feature and purpose further understand and approval, now after lifting a preferred embodiment and conjunction with figs. label and being described in more detail in, believe that through after the explanation your inspector can draw one to the utility model thus and go deep into and concrete understanding.

Please consult Fig. 1 earlier, a kind of improved foot-operated pipe fixation structure that the utility model provides includes:

One breeches pipe 10, one side are provided with a ditch pawl 11, and this ditch pawl 11 is provided with the fork pockets 12 of a rectangle;

One steps on pipe 20, its outer rim forms embossing position 21, this is stepped on pipe 20 and is provided with a binding end 22, the other end then is provided with the ccontaining position 23 of an indent, wherein step in pipe 20 the binding end 22 and be provided with certain bit space 24, this space, location 24 generally is the etat lacunaire of a hexagonal configuration, and central authorities have provided a perforation 25 in it;

One clamping and drawing device 30, be the hexagon bulk, and have the first side wall 301 and second sidewall 302, this the

first side wall

301 and 302 of second sidewalls run through a perforation 31, and the first side wall 301 is provided with a protuberance 32, and this protuberance can be contained in the fork pockets 12, makes the first side wall 301 be connected to ditch pawl 11 outer side surfaces, second sidewall 302 then can be located space 24 with this and be combined, and second sidewall 302 and the internal face in this space, location 24 are connected;

One hub axle bar 40, a screw rod 41 is extended in its end, this screw rod 41 can pass the fork pockets 12 of breeches pipe 10 ditch pawls 11, and the perforation 31 of clamping and drawing device 30, and penetrate in the perforation 25 of stepping on pipe 20, and make hub axle bar 40 screw rod 41 can with a packing ring 26 and a nut 27 screw locks, and with clamping and drawing device 30 with step on pipe 20 combine fixing, the formation location structure.

And as shown in Figure 2,, making clamping and drawing device 30 the first side walls 301 be resisted against a side wall surface of ditch pawl 11 by foregoing, 24 in space, location stepping on pipe 20 is sleeved on second sidewall 302 of clamping and drawing device 30, and makes clamping and drawing device 30 be positioned breeches pipe 10 and step on 20 of pipes.

Please continue to consult shown in Fig. 3,4, wherein step on the surface at pipe 20 tool embossing positions 21 if be positioned at same position for a long time, wherein one side meeting worn-down is very fast, and forms the distortion of stepping on pipe 20.Therefore, the utility model promptly utilizes the hexagonal shape in clamping and drawing device 30 and space 24, location at this point, can carry out conversion, wherein as shown in Figure 3, clamping and drawing device 30 outer peripheral edges form the A end face and the B end face corresponds respectively to the A ' wall and the B ' wall of locating space 24 inner edges, and use after a period of time, step on the surface abrasion degree of pipe 20 for balance, the user can pull down and step on pipe 20, to step on pipe 20 rotation other directions, change the embossing position 21 of other direction and bear bigger abrasion, promptly as shown in Figure 4, the A end face of clamping and drawing device 30 and the invariant position of B end face, then rotation one angle of stepping on pipe 20, the B ' wall that becomes space 25, location is corresponding with the A end face of clamping and drawing device 30, the B end face of clamping and drawing device 30 then changes the C ' wall corresponding to space 24, location into, step on pipe 20 and reach regular rotation, make step on pipe 20 wherein after the surface abrasion replaceable another step on pipe 20 surfaces, to prolong its service life.

Please consult shown in Fig. 5,6 again, for the thickness of clamping and drawing device 30 of the present utility model can be implemented thicker person, as shown in Figure 6, when the thickness of clamping and drawing device 30 when being thick compared to fork pockets 11 thickness, the degree of depth in this space 24, location is darker than the foregoing description, make the space 24, location and the outer rim hexagonal wall area of contact of clamping and drawing device 30 increase, can make and step on pipe 20 and bear bigger shearing to have cooresponding effect.

Please continue to consult Fig. 7, shown in 8, be the utility model another embodiment structurally, wherein the perforation 31 ' aperture of clamping and drawing device 30 1 ends is provided with perforation 31 apertures less than above-mentioned clamping and drawing device 30, and this perforation 31 ' protrudes out a ring set 33 to the other end, the external diameter of this ring set 33 is greater than the aperture of perforation 31 ', so when assembling, as shown in Figure 8, when the bar of hub axle bar 40 screw rods 41 footpath hour, the setting of mat clamping and drawing device 30 ring sets 33, ring set 33 can be sheathed on 23 at location space 24 and ccontaining position, and bicycle hub axostylus axostyle 40 screw rods 41 pass clamping and drawing device 30 and bore a hole 31, and screws togather the location with packing ring 26 and nut 27, so the bar of hub axle bar 40 screw rods 41 footpath hour, setting that also can mat clamping and drawing device 30 ring sets 33 also can reach and the effects of stepping on pipe 20 location, increases its applicability.

At last as shown in Figure 9, be the actual running condition icon of the utility model, by above-mentioned, the utility model is except can being installed in breeches pipe 10 (being back vent shown in the figure), also applicable to front fork 50, and provide the user can utilize clamping and drawing device 30 to cooperate with location the polygonal of space 24, and make the space, location 24 step on pipe 20 have conversion and clamping and drawing device 30 different walls and cooperate, step on the degree of managing 20 surface abrasions and keep consistency and reach balance.

The above person only; it only is preferred embodiment of the present utility model; when can not limiting the scope that the utility model is implemented with this, i.e. any variation and the modification of being done according to the utility model protection domain generally all should still belong within the scope that the utility model claims contain.

Claims

1. improved foot-operated pipe fixation structure is characterized in that:

Include:

One steps on pipe, is located at a side of breeches pipe;

2. improved foot-operated pipe fixation structure as claimed in claim 1 is characterized in that: the described pipe outer rim of stepping on is provided with the embossing position.

3. improved foot-operated pipe fixation structure as claimed in claim 1, it is characterized in that: the described Guan Yiduan of stepping on is made as a binding end, be provided with certain bit space in this binding end, this space, location is the etat lacunaire of a hexagonal configuration, and clamping and drawing device is the hexagon bulk, and have the first side wall and second sidewall, and the first side wall is provided with a protuberance, this protuberance can be contained in the fork pockets, the first side wall is connected to ditch pawl outer side surface, second sidewall then can be located the space with this and be combined, and the internal face in second sidewall and this space, location connects.

4. improved foot-operated pipe fixation structure as claimed in claim 1 is characterized in that: the described pipe other end of stepping on then is provided with the ccontaining position of an indent, and that packing ring and nut are included in hub axle rod end edge spiral shell is solid.

5. improved foot-operated pipe fixation structure as claimed in claim 3 is characterized in that: second sidewall of described clamping and drawing device can be included in the space, location.

6. improved foot-operated pipe fixation structure as claimed in claim 3 is characterized in that: described clamping and drawing device second sidewall convexes with a ring set, and the less axostylus axostyle of external diameter stretches into this ring set.