CN201317444Y

CN201317444Y - Brake handle

Info

Publication number: CN201317444Y
Application number: CNU2008201372815U
Authority: CN
Inventors: 温宜玲; 陈贵宝
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-10-17
Filing date: 2008-10-17
Publication date: 2009-09-30
Anticipated expiration: 2018-10-17

Abstract

The utility model relates to a brake handle mainly provided with a connecting seat, a rotating device and a press handle, wherein the connecting seat is provided with a joint part and a pivoted part, the rotating device is pivotally connected with the connecting seat and provided with a longitudinal rotating group and a transversal rotating group, the longitudinal rotating group is connected with the pivoted part of the connecting seat and provided with a positioning plate, a rotating block and a positioning group, the transversal rotating group is pivotally connected with the longitudinal rotating group, and the press handle is connected with the rotating device in a pivotally rotating manner, thereby forming the rotatable structural form of the brake handle, efficiently avoiding deformation or damage of the press handle of the brake handle, and achieving the effect of use cost conservation.

Description

Brake crank

Technical field

The utility model relates to a kind of brake crank, particularly relates to a kind ofly the time can avoiding the brake crank that damages in collision.

Background technology

Existing bicycle or locomotive or locomotive mainly are to utilize a brake gear to control the brake of bicycle or locomotive or locomotive, existing brake gear mainly is provided with a brake crank and a brake, wherein this brake crank is arranged on bicycle or locomotive or the locomotive handle and pushes for the user, and brake is arranged at the both sides of bicycle or locomotive or locomotive wheel body and be connected with brake crank by a brake cable, mainly be by pushing the mode of brake crank pulling brake cable when brake, make the brake clipping and this wheel body that rubs, and then the effect of bicycle or locomotive or locomotive one brake deceleration is provided;

Yet, though existing brake crank can provide operator presses to use, but when bicycle or locomotive or locomotive are toppled over or are collided, make easily brake crank by producing distortion because of collision or damaging, and then need repairing or replacing for distortion or breaking-up by handle, relatively increase user's cost and burden, in addition improvements are really arranged.

This shows that above-mentioned existing brake crank obviously still has inconvenience and defective, and demands urgently further being improved in structure and use.In order to solve the problem of above-mentioned existence, relevant manufacturer there's no one who doesn't or isn't seeks solution painstakingly, but do not see always that for a long time suitable design finished by development, and common product does not have appropriate structure to address the above problem, this obviously is the problem that the anxious desire of relevant dealer solves.Therefore how to found a kind of later-model brake crank, real one of the current important research and development problem that belongs to, also becoming the current industry utmost point needs improved target.

Because the defective that above-mentioned existing brake crank exists, the inventor is based on being engaged in this type of product design manufacturing abundant for many years practical experience and expertise, and the utilization of cooperation scientific principle, actively studied innovation, in the hope of founding a kind of later-model brake crank, can improve general existing brake crank, make it have more practicality.Through constantly research, design, and, create the present invention who has practical value finally through after studying sample and improvement repeatedly.

Summary of the invention

Main purpose of the present utility model is, overcome the defective that existing brake crank exists, and provide a kind of later-model brake crank, technical matters to be solved is to make it can be when bicycle or locomotive or locomotive are toppled over or be collided, make brake crank constitute a rotating structural form, and avoid brake crank by the situation that produces distortion or damage, to reach the purpose of saving the brake crank use cost, be very suitable for practicality.

The purpose of this utility model and to solve its technical matters be to adopt following technical scheme to realize.According to a kind of brake crank that the utility model proposes, it includes a connecting support, a wheel word and by handle, wherein: an end of this connecting support has extended to form a joint portion, and the other end is formed with an articulated section, this articulated section is made up of two parallel relative pin-jointing pieces, and wherein each pin-jointing piece respectively runs through and is provided with a pivot respect to one another hole; This wheel word combines with connecting support pivotally and is provided with a vertical rotating group and a lateral rotation group, this vertical rotating group combines with the articulated section of connecting support and is provided with a locating plate, one turning block and certain hyte, this locating plate be arranged in the articulated section and with the pin-jointing piece combination that reclines mutually, this locating plate runs through and is provided with the corresponding perforation in one and two pivot holes, and be concaved with a plurality of knock holees that are surrounded on the perforation periphery at the inside face that differs from pin-jointing piece, and this turning block combines with locating plate pivotally and is arranged in the articulated section of connecting support, and be provided with one with locating plate perforation and relative connecting bore and one and two pivot holes, two pin-jointing piece pivot holes, the union link that perforation and connecting bore combine, in addition turning block is being concaved with a containing groove relative with knock hole with side that the locating plate inside face reclines mutually, this location group is located in the containing groove of turning block and snaps in locating plate wherein in the knock hole, and this lateral rotation group combines with vertical rotating group pivotally; And should be by combining with the turning block of wheel word pivotally being unidirectional.

The purpose of this utility model and solve its technical matters and can also be further achieved by the following technical measures.

Aforesaid brake crank, wherein said location group is provided with an elastic component and a registration mast, this elastic component is located in the containing groove, and this registration mast and elastic component lean and expose to outside the turning block and snap in locating plate wherein in the knock hole, makes turning block and locating plate positioning combination mutually.

Aforesaid brake crank, wherein said articulated section is being provided with a groove near on the pin-jointing piece ora terminalis of joint portion, and this locating plate at one end convexes with a bonding pad that combines with groove, and the joint portion of this connecting support is provided with a combined hole that combines with bicycle or locomotive handle.

Aforesaid brake crank, wherein said turning block is provided with the conjoint disk that two spaced and parallel are provided with at an end that differs from the connecting support articulated section, a conjoint disk outside face is concaved with an engagement groove and a fixing groove that communicates with this engagement groove therein, and this lateral rotation group is provided with a torsion elements and an enclosing cover that combines with the turning block conjoint disk that is installed with torsion elements that is located in the turning block engagement groove, wherein the bottom of this torsion elements is stretched in the fixing groove, and engagement groove is stretched out on the top of torsion elements, this end by handle be arranged between turning block two conjoint disks and be provided with a hole clipping that combines with the torsion elements top, made torsion elements be arranged at turning block and reached by between the handle.

Aforesaid brake crank, wherein each conjoint disk runs through in the center and is provided with a sheathed hole respect to one another, this enclosing cover runs through and is provided with a fixed orifice that communicates with the sheathed hole of two conjoint disks, and have an Extendible flake in lateral surface court near locating plate, and run through at the ora terminalis place of Extendible flake and to be provided with a connecting bore, and the union link of this turning block is being provided with a limited post that stretches to the connecting support joint portion near pin-jointing piece one end of joint portion, and should by run through near an end of hole clipping be provided with one communicate with sheathed hole of two conjoint disks and enclosing cover fixed orifice by the hole, should be by being arranged in the enclosing cover fixed orifice being provided with one, torsion elements, the sheathed hole of two conjoint disks and by the bar that is pivoted in hole, and then with enclosing cover, torsion elements reaches and combines with turning block two conjoint disks by handle, in addition should by be provided with by an end in hole is provided with one with the relative screw fixed hole of enclosing cover Extendible flake connecting bore, and should by be provided with one wore the enclosing cover Extendible flake connecting bore and with by screw fixed hole is combined against bar, wherein should differ from by an end of screw fixed hole and the limited post of union link are leant against bar.

Aforesaid brake crank, wherein each conjoint disk runs through in the center and is provided with a sheathed hole respect to one another, this enclosing cover runs through and is provided with a fixed orifice that communicates with the sheathed hole of two conjoint disks, and should by run through near an end of hole clipping be provided with one communicate with sheathed hole of two conjoint disks and enclosing cover fixed orifice by the hole, should be by being arranged in enclosing cover fixed orifice, torsion elements, the sheathed hole of two conjoint disks and by the bar that is pivoted in hole being provided with one, and then enclosing cover, torsion elements are reached and combine with turning block two conjoint disks by handle.

Aforesaid brake crank, wherein said enclosing cover has an Extendible flake in the lateral surface court near locating plate, and run through at the ora terminalis place of Extendible flake and to be provided with a connecting bore, and the union link of this turning block is being provided with a limited post that stretches to the connecting support joint portion near pin-jointing piece one end of joint portion, and should by be provided with by an end in hole is provided with one with the relative screw fixed hole of enclosing cover Extendible flake connecting bore, and should by be provided with one wore the enclosing cover Extendible flake connecting bore and with by screw fixed hole is combined against bar, wherein should differ from by an end of screw fixed hole and the limited post of union link are leant against bar.

Aforesaid brake crank, wherein said articulated section is being provided with a groove near on the pin-jointing piece ora terminalis of joint portion, and this locating plate at one end convexes with a bonding pad that combines with groove, this articulated section is the structure of a U-shaped.

Aforesaid brake crank, wherein said connecting support are provided with a brake cable fixed orifice between joint portion and articulated section, use with a bicycle or locomotive brake line to be connected.

Aforesaid brake crank, the joint portion of wherein said connecting support are provided with a combined hole that combines with bicycle or locomotive handle.

The utility model compared with prior art has tangible advantage and beneficial effect.By technique scheme, the utility model brake crank has following advantage and beneficial effect at least:

When bicycle or locomotive or locomotive are toppled over or are collided, the utility model brake crank can rotate to reach by handle and relatively rotate the mode that piece pivots by turning block relative positioning plate, but make by a relative proper motion car or locomotive or the vertical and horizontal pivot of locomotive handle generation, so can avoid toppling over or being collided because of bicycle or locomotive or locomotive, and make brake crank by producing distortion or damaging, can effectively reduce the required cost of apply the brakes handle.

In sum, the utility model constitutes a kind of rotating structural form with brake crank, when bicycle or locomotive or locomotive are toppled over or be collided, can effectively avoid brake crank by producing distortion or damage, and then reach the effect of saving use cost.The utility model has obvious improvement technically, and has tangible good effect, really is a new and innovative, progressive, practical new design.

Above-mentioned explanation only is the general introduction of technical solutions of the utility model, for can clearer understanding technological means of the present utility model, and can be implemented according to the content of specification sheets, and for above-mentioned and other purposes, feature and advantage of the present utility model can be become apparent, below especially exemplified by preferred embodiment, and conjunction with figs., be described in detail as follows.

Description of drawings

Fig. 1 is stereoscopic figure of the present utility model.

Fig. 2 is an exploded perspective view of the present utility model.

Fig. 3 is the schematic top plan view that the utility model combines with a bicycle or locomotive handle.

Fig. 4 is a partial cut away side views of the present utility model.

Fig. 5 is a brake operation schematic top plan view of the present utility model.

Fig. 6 is the schematic side view of another operation of the utility model.

Fig. 7 is an operation birds-eye view of the present utility model.

10: connecting support

11: joint portion 111: combined hole

12: articulated section 121: pin-jointing piece

122: pivot hole 123: groove

13: the brake cable fixed orifice

20: wheel word

21: vertical rotating group 22: lateral rotation group

23: locating plate 231: bonding pad

232: perforation 233: knock hole

24: turning block

241: connecting bore 242: union link

243: limited post 244: containing groove

245: conjoint disk 246: sheathed hole

247: engagement groove 248: fixing groove

25: the location group

251: elastic component 252: registration mast

26: torsion elements

27: enclosing cover 271: fixed orifice

272: Extendible flake 273: connecting bore

30: press 301: press the hole

302: screw fixed hole 303: hole clipping

31: bar 32 is pivoted: against bar

50: bicycle or locomotive handle 60: bicycle or locomotive brake line

The specific embodiment

For further setting forth the utility model is to reach technological means and the effect that predetermined goal of the invention is taked, below in conjunction with accompanying drawing and preferred embodiment, to according to its specific embodiment of brake crank, structure, feature and the effect thereof that the utility model proposes, describe in detail as after.

Relevant aforementioned and other technology contents, characteristics and effect of the present utility model can clearly present in the following detailed description that cooperates with reference to graphic preferred embodiment.Explanation by the specific embodiment, when can being to reach technological means that predetermined purpose takes and effect to get one more deeply and concrete understanding to the utility model, yet appended graphic only provide with reference to the usefulness of explanation, be not to be used for the utility model is limited.

The utility model mainly provides a kind of brake crank, please cooperate to consult Fig. 1 to shown in Figure 4, by finding out among the figure that the utility model brake crank mainly includes a connecting support 10, a wheel word 20 and one by 30, wherein:

One end of above-mentioned connecting support 10 extends to form a joint portion 11 in order to combine with bicycle or locomotive handle 50, wherein this joint portion 11 is provided with a combined hole 111 that combines with bicycle or locomotive handle 50, and the other end of connecting support 10 is formed with the articulated section 12 of a U-shaped, this articulated section 12 is made up of two parallel relative pin-jointing pieces 121, wherein each pin-jointing piece 121 respectively runs through and is provided with a pivot respect to one another hole 122, articulated section 12 is being provided with a groove 123 near on pin-jointing piece 121 ora terminalis of joint portion 11 in addition, connecting support 10 is provided with a brake cable fixed orifice 13 between joint portion 11 and articulated section 12 in addition, uses with a bicycle or locomotive brake line 60 to be connected;

Above-mentioned wheel word 20 combines with connecting support 10 pivotly and is provided with a vertical rotating group 21 and a lateral rotation group 22, wherein this vertical rotating group 21 combines with the articulated section 12 of connecting support 10 pivotly and is provided with a locating plate 23, one turning block 24 and certain hyte 25, wherein this locating plate 23 be arranged in the articulated section 12 and with the pin-jointing piece 121 that is provided with groove 123 combination that reclines mutually, end at locating plate 23 convexes with a bonding pad 231 that combines with groove 123, this locating plate 23 runs through in the center and is provided with the 122 corresponding perforation 232 of one and two pivot holes, and locating plate 23 is concaved with a plurality of knock holees 233 that are surrounded on perforation 232 peripheries at the inside face that differs from pin-jointing piece 121 in addition;

This turning block 24 combines with locating plate 23 pivotly and is arranged in the articulated section 12 of connecting support 10, this turning block 24 run through be provided with one with the relative connecting bore 241 in locating plate 23 perforation 232 and two pin-jointing pieces, 121 pivot holes 122, and in two pivot holes 122,

perforation

232 and 241 of connecting bores are equipped with a union link 242, turning block 24 is combined with connecting support 10 and locating plate 23 simultaneously, wherein this union link 242 is being provided with a limited post 243 that stretches to connecting support 10 joint portions 11 near pin-jointing piece 121 1 ends that are provided with groove 123, in addition turning block 24 is being concaved with a containing groove 244 relative with knock hole 233 with side that locating plate 23 inside faces recline mutually, and turning block 24 is provided with the conjoint disk 245 that two spaced and parallel are provided with at an end that differs from connecting support 10 articulated sections 12, each conjoint disk 245 runs through in the center and is provided with a sheathed hole 246 respect to one another, and the outside face of a conjoint disk 245 is concaved with an engagement groove 247 and a fixing groove 248 that communicates with this engagement groove 247 therein;

This location group 25 is located in the containing groove 244 of turning block 24 and is provided with an elastic component 251 and a registration mast 252, wherein this elastic component 251 is located in the containing groove 244, and this registration mast 252 leans with elastic component 251 and it is outer and snap in locating plate 23 wherein in the knock hole 233 to expose to turning block 24, make turning block 24 can with locating plate 23 positioning combination mutually;

This lateral rotation group 22 combines with vertical rotating group 21 pivotly, it is provided with a torsion elements 26 and an enclosing cover 27, wherein this torsion elements 26 is located in turning block 24 and is provided with in the conjoint disk 245 of engagement groove 247, the bottom of this torsion elements 26 is stretched in the fixing groove 248, and engagement groove 247 is stretched out on the top of torsion elements 26, this enclosing cover 27 combines with turning block 24 conjoint disks 245 that are installed with torsion elements 26, this enclosing cover 27 runs through and is provided with a fixed orifice 271 that communicates with two conjoint disks, 245 sheathed holes 246, and this enclosing cover 27 near the lateral surface of locating plate 23 towards having an Extendible flake 272, and run through at the ora terminalis place of Extendible flake 272 and to be provided with a connecting bore 273; And

Above-mentioned is pivoted bar 31 and against bar 32 by combining with wheel word 20 pivotly and be provided with one to 30, wherein should by an end of 30 is arranged at 245 of 24 liang of conjoint disks of turning block and run through be provided with one communicate with two conjoint disks, 245 sheathed holes 246 and enclosing cover 27 fixed orifices 271 by hole 301, and should by 30 be provided with by an end in hole 301 is provided with one with the relative screw fixed hole 302 of enclosing cover 27 Extendible flakes, 272 connecting bores 273, in addition by 30 close by 301 places, hole being provided with a hole clipping 303 that combines with torsion elements 26 tops, and this bar 31 that is pivoted is arranged in enclosing cover 27 fixed orifices 271, torsion elements 26, two conjoint disks, 245 sheathed holes 246 reach presses between the hole 301, with enclosing cover 27, torsion elements 26 reaches by combining 30 with 24 liang of conjoint disks 245 of turning block, should against bar 32 wore enclosing cover 27 Extendible flakes 272 connecting bore 273 and with combine by screw fixed hole 302 30, this differ from by the limited post 243 of an end of 30 screw fixed holes 302 and union link 242 is leant against bar 32.

The utility model brake crank is when carrying out brake operation, as shown in Figure 5, it mainly is to push by it is moved towards bicycle or locomotive handle 50, be positioned at this moment by can lean with the limited post 243 of turning block 24 union links 242 30 other ends against bar 32, make by 30 and turning block 24 between be rotatable structure kenel, make connecting support 10 can along with by 30 push and relative proper motion car or locomotive handle 50 produces and pivots, and then drawing bicycle or locomotive brake line 60 start that produces brake decelerations.

Seeing also shown in Figure 6ly, is the schematic side view of another operation of the utility model.The utility model brake crank by organizing the mode that 25 registration masts 252 engage with locating plate 23 each knock hole 233 to 30 by the location, make turning block 24 be different angles ground and locating plate 23 positioning combination mutually, not only can allow and rotate longitudinally by producing 30 relative to connecting support 10 and bicycle or locomotive handle 50, and can with by 30 towards bicycle or the folding of locomotive body, bicycle or locomotive only can be made when toppling over handle 50 is produced collision, and can be for being out of shape or breaking-up by causing 30;

In addition topple over and make when being collided 30 as shown in Figure 7 when bicycle or locomotive, this moment should be by but 30 green phases are produced the mode that laterally pivots to 24 liang of conjoint disks of turning block 245, move towards direction away from bicycle or locomotive handle 50, and then alleviate because of collision to by 30 influences that caused, and can allow by when removing external force, returning to the home position to 30 by the start of torsion elements 26, and then make by can leaning 30 with the limited post 243 of turning block 24 union links 242 against bar 32

Therefore, when bicycle or locomotive are toppled over or are collided, brake crank of the present utility model can rotate by turning block 24 relative positioning plates 23 and reach by relatively rotating the mode that piece 24 pivots to 30, make by but 30 relative proper motion cars or locomotive handle 50 are produced vertically and horizontal pivot, so can avoid toppling over or being collided because of bicycle or locomotive, and brake crank is out of shape or breaking-up by producing 30, can significantly reduce the required cost of apply the brakes handle.

The above, it only is preferred embodiment of the present utility model, be not that the utility model is done any pro forma restriction, though the utility model discloses as above with preferred embodiment, yet be not in order to limit the utility model, any those skilled in the art are not in breaking away from the technical solutions of the utility model scope, when the technology contents that can utilize above-mentioned announcement is made a little change or is modified to the equivalent embodiment of equivalent variations, in every case be the content that does not break away from technical solutions of the utility model, according to technical spirit of the present utility model to any simple modification that above embodiment did, equivalent variations and modification all still belong in the scope of technical solutions of the utility model.

Claims

1. brake crank is characterized in that it includes a connecting support, a wheel word and by handle, wherein:

One end of this connecting support has extended to form a joint portion, and the other end is formed with an articulated section, and this articulated section is made up of two parallel relative pin-jointing pieces, and wherein each pin-jointing piece respectively runs through and is provided with a pivot respect to one another hole;

This wheel word combines with connecting support pivotally and is provided with a vertical rotating group and a lateral rotation group, this vertical rotating group combines with the articulated section of connecting support and is provided with a locating plate, one turning block and certain hyte, this locating plate be arranged in the articulated section and with the pin-jointing piece combination that reclines mutually, this locating plate runs through and is provided with the corresponding perforation in one and two pivot holes, and be concaved with a plurality of knock holees that are surrounded on the perforation periphery at the inside face that differs from pin-jointing piece, and this turning block combines with locating plate pivotally and is arranged in the articulated section of connecting support, and be provided with one with locating plate perforation and relative connecting bore and one and two pivot holes, two pin-jointing piece pivot holes, the union link that perforation and connecting bore combine, in addition turning block is being concaved with a containing groove relative with knock hole with side that the locating plate inside face reclines mutually, this location group is located in the containing groove of turning block and snaps in locating plate wherein in the knock hole, and this lateral rotation group combines with vertical rotating group pivotally; And

Should be by combining with the turning block of wheel word pivotally being unidirectional.

2. brake crank according to claim 1, it is characterized in that wherein said location group is provided with an elastic component and a registration mast, this elastic component is located in the containing groove, and this registration mast and elastic component lean and expose to outside the turning block and snap in locating plate wherein in the knock hole, make turning block and locating plate positioning combination mutually.

3. brake crank according to claim 1, it is characterized in that wherein said articulated section is being provided with a groove near on the pin-jointing piece ora terminalis of joint portion, and this locating plate at one end convexes with a bonding pad that combines with groove, and the joint portion of this connecting support is provided with a combined hole that combines with bicycle or locomotive handle.

4. brake crank according to claim 1 and 2, it is characterized in that wherein said turning block is provided with the conjoint disk that two spaced and parallel are provided with at an end that differs from the connecting support articulated section, a conjoint disk outside face is concaved with an engagement groove and a fixing groove that communicates with this engagement groove therein, and this lateral rotation group is provided with a torsion elements and an enclosing cover that combines with the turning block conjoint disk that is installed with torsion elements that is located in the turning block engagement groove, wherein the bottom of this torsion elements is stretched in the fixing groove, and engagement groove is stretched out on the top of torsion elements, this end by handle be arranged between turning block two conjoint disks and be provided with a hole clipping that combines with the torsion elements top, made torsion elements be arranged at turning block and reached by between the handle.

5. brake crank according to claim 4, it is characterized in that wherein each conjoint disk runs through in the center is provided with a sheathed hole respect to one another, this enclosing cover runs through and is provided with a fixed orifice that communicates with the sheathed hole of two conjoint disks, and have an Extendible flake in lateral surface court near locating plate, and run through at the ora terminalis place of Extendible flake and to be provided with a connecting bore, and the union link of this turning block is being provided with a limited post that stretches to the connecting support joint portion near pin-jointing piece one end of joint portion, and should by run through near an end of hole clipping be provided with one communicate with sheathed hole of two conjoint disks and enclosing cover fixed orifice by the hole, should be by being arranged in the enclosing cover fixed orifice being provided with one, torsion elements, the sheathed hole of two conjoint disks and by the bar that is pivoted in hole, and then with enclosing cover, torsion elements reaches and combines with turning block two conjoint disks by handle, in addition should by be provided with by an end in hole is provided with one with the relative screw fixed hole of enclosing cover Extendible flake connecting bore, and should by be provided with one wore the enclosing cover Extendible flake connecting bore and with by screw fixed hole is combined against bar, wherein should differ from by an end of screw fixed hole and the limited post of union link are leant against bar.

6. brake crank according to claim 4, it is characterized in that wherein each conjoint disk runs through in the center is provided with a sheathed hole respect to one another, this enclosing cover runs through and is provided with a fixed orifice that communicates with the sheathed hole of two conjoint disks, and should by run through near an end of hole clipping be provided with one communicate with sheathed hole of two conjoint disks and enclosing cover fixed orifice by the hole, should be by being arranged in enclosing cover fixed orifice, torsion elements, the sheathed hole of two conjoint disks and by the bar that is pivoted in hole being provided with one, and then enclosing cover, torsion elements are reached and combine with turning block two conjoint disks by handle.

7. brake crank according to claim 6, it is characterized in that wherein said enclosing cover has an Extendible flake in the lateral surface court near locating plate, and run through at the ora terminalis place of Extendible flake and to be provided with a connecting bore, and the union link of this turning block is being provided with a limited post that stretches to the connecting support joint portion near pin-jointing piece one end of joint portion, and should by be provided with by an end in hole is provided with one with the relative screw fixed hole of enclosing cover Extendible flake connecting bore, and should by be provided with one wore the enclosing cover Extendible flake connecting bore and with by screw fixed hole is combined against bar, wherein should differ from by an end of screw fixed hole and the limited post of union link are leant against bar.

8. brake crank according to claim 7 it is characterized in that wherein said articulated section is being provided with a groove near on the pin-jointing piece ora terminalis of joint portion, and this locating plate at one end convexes with a bonding pad that combines with groove.

9. brake crank according to claim 8 is characterized in that wherein said connecting support is provided with a brake cable fixed orifice between joint portion and articulated section, uses with a bicycle or locomotive brake line to be connected.

10. brake crank according to claim 9 is characterized in that the joint portion of wherein said connecting support is provided with a combined hole that combines with bicycle or locomotive handle.