CN201501494U

CN201501494U - Multifunction handlebar stem

Info

Publication number: CN201501494U
Application number: CN2009201460628U
Authority: CN
Inventors: 赖武赐
Original assignee: CHUHN-E INDUSTRIES Co Ltd
Current assignee: CHUHN-E INDUSTRIES Co Ltd
Priority date: 2009-03-26
Filing date: 2009-03-26
Publication date: 2010-06-09
Anticipated expiration: 2019-03-26

Abstract

A multifunctional handlebar stem is provided with a beam tube sleeved at the top end of a front fork, a sleeve combined at the top of the beam tube, an upper cut ditch formed downwardly on the bottom side of the inner surface of the sleeve, two upper bundle lugs and two locking bundle lugs are formed between the periphery of the top of the beam tube and the sleeve and correspond to the left and right sides of the front and rear ends of the upper cut ditch, an compensating pipe inserted in the sleeve, and an manipulation structure is formed on the front side of the compensating pipe. When the handlebar stem is in use, the two upper bundle lugs and the two locking bundle lugs are locked through matching up bolt and screw cap groups to make the sleeve bind up the compensating pipe for positioning; and as the compensating pipe can be use for adjusting the forward extension through the sleeve, the manipulation structure can change the distance in coordination with the figure of a user, so that the handlebar stem can be adjusted to the individual required length for use.

Description

The multi-functional grip vertical tube

Technical field

The utility model relates to a kind of vertical tube of bicycle, relates in particular to a kind of multi-functional grip vertical tube that can forward and backward adjustment handgrip position.

Background technology

Existing standpipe of bicycle, as M349882 number " standpipe of bicycle structural improvement " novel patent case of TaiWan, China certificate number, be provided with a vehicle frame collar, establish a connection pipe in the vehicle frame collar towards protracting, again in the connection pipe front end in conjunction with a handgrip collar, aforementioned vertical tube is to be incorporated into the front fork top with the vehicle frame collar, again in the handgrip collar in conjunction with a handgrip.

Though aforementioned existing vertical tube can reach the effect in conjunction with handgrip, yet because the length before and after it is the size of fixing, therefore be incorporated into to adjust when bicycle uses and change the handgrip front-back direction, the position of handgrip just can not adapt to the pushing individual of different heights thus, and the more comfortable effect that drives can't be provided.

The utility model content

In order to overcome existing standpipe of bicycle is the length of fixing, therefore the handgrip of institute's combination can't adapt to the shortcoming of individual's the pushing position of height, the utility model provides a kind of multi-functional grip vertical tube, and it can change the forward and backward position of handgrip and have better result of use.

For achieving the above object, the utility model provides a kind of multi-functional grip vertical tube, comprising:

One permanent seat, be provided with a beam tube, this beam tube is a straight tube body and in top junction unification sleeve pipe, form a jack along the front and rear direction extension in this inside pipe casing, bottom side in this sleeve pipe inner face is offered profile groove on down, the and arranged on left and right sides of profile groove front end on the correspondence, between the leading edge at this beam tube top and this sleeve pipe, form two and go up the bundle ears, in wearing lockhole between the bundle ear on two, the and arranged on left and right sides of profile groove rear end on the correspondence, between the trailing edge at this beam tube top and this sleeve pipe, form two locking bundle ears, between two locking bundle ears, wear a locking hole; And

One adjusts pipe, is provided with a straight tube, and this straight tube is the straight tube body of this jack of form fit, and this straight tube is plugged at this jack with rearward end, is provided with one in the front end of this straight tube and handles structure.

Further, beam tube described in the utility model is to be the straight tube body of end-blocking to setting and top directly, the inside of this beam tube is formed at the trepanning of bottom end opening, to centre that should beam tube, wear a bolt down in the bottom side of described sleeve pipe inner face and put the hole, it is counter sink that this bolt is put the hole, and the bottom communicates with this trepanning;

Described upward profile groove is to run through the centre that this bolt is put the hole, and the bottom that should go up profile groove communicates with this trepanning, in the middle of this beam tube fwd, run through one again along straight preceding profile groove to extension, the top of preceding profile groove communicates with last profile groove, the and arranged on left and right sides of profile groove bottom before corresponding, the preceding bundle ears that forward-facing are convexly equipped with two times in this beam tube wear lockhole between twice bundle ears.

Further, the utility model is offered a recess in the top in the middle of the described sleeve pipe, and this recess runs through the and arranged on left and right sides of this sleeve pipe, whereby the back beam ring of beam ring and before the part that this sleeve pipe is positioned at this recess front side and rear side respectively forms.

Preferable, establish in conjunction with an end cap in the back end plug of described straight tube, place screw lock one bolt nut group respectively in described lockhole, described lockhole down and the described locking hole gone up again, described manipulation structure can be handgrip connecting support or handgrip, and the steering that handgrip is set function is provided whereby.

When the utility model is installed in bicycle, be earlier Sleeve around pipe end to be set the top that is positioned at front fork, the straight tube that then will adjust pipe is inserted in jack after by the previous dynasty, after bundle ear and locking bundle ear are gone up in the locking of barrel bolt nut block, sleeve pipe can be tightened the straight tube location, provide the handgrip of handgrip combination connecting support and handle to construct can be, perhaps also can directly be made as handgrip handling structure.

Because each rider's the pushing difference of height, the forward and backward position of the manipulation structure that therefore is fit to is also different, when use to be fit to the individual the forward and backward position of needs adjustment, be that the bolt nut group that will go up bundle ear and the place's cooperation of locking bundle ear is unclamped, can adjust the forward and backward position of straight tube this moment, locks the bolt nut group once again and get final product after adjustment finishes.

Can will handle the design of the forward and backward flexible adjustment of construction location by aforementioned, the utility model can provide personalized vertical tube length to utilize for the user, increases the user and drives the comfort level of bicycle and the flexibility ratio of manipulation.

Description of drawings

Below in conjunction with drawings and Examples the utility model is further specified.

Fig. 1 is the schematic perspective view of the utility model first preferred embodiment.

Fig. 2 is the decomposing schematic representation of the utility model first preferred embodiment.

Fig. 3 is the section-drawing of the utility model first preferred embodiment.

Fig. 4 is the adjustment enforcement scheme drawing that the utility model first preferred embodiment cuts the straight tube rear end.

Fig. 5 is the schematic perspective view after the utility model first preferred embodiment changes adjustment pipe position.

Fig. 6 is the schematic perspective view of the utility model second preferred embodiment.

The number in the figure explanation:

10 permanent seats, 11 beam tubes

Profile groove on 111 trepannings 112

Restraint ear on the profile groove 114 before 113

115 times bundles of lockhole ear on 1141

1151 times lockhole 116 locking bundle ears

1161 locking holes, 117 bolt nut groups

12 sleeve pipes, 121 jacks

Beam ring before 122 recesses 123

124 back beam ring 125 bolts are put the hole

20 adjust pipe 21 straight tubes

22 end caps, 23 handgrip connecting supports

231 screw lock plates, 232 front shrouds

233 handle hole A bolts

The 23A handgrip

The specific embodiment

The utility model is a kind of multi-functional grip vertical tube, please referring to first preferred embodiment of Fig. 1 to Fig. 3, comprising:

One permanent seat 10, be provided with a beam tube 11, beam tube 11 is directly to the straight tube body that is provided with, its top is an end-blocking, and be formed at the trepanning 111 of bottom end opening in inside, top junction unification sleeve pipe 12 in beam tube 11, sleeve pipe 12 is pipe bodies, and form a jack 121 along the front and rear direction extension in inside, a recess 122 is offered at top in the middle of sleeve pipe 12, recess 122 runs through the and arranged on left and right sides of sleeve pipe 12, whereby, and a beam ring 123 and a back beam ring 124 before the part that makes sleeve pipe 12 be positioned at recess 122 front sides and rear side respectively forms one;

The centre of corresponding beam tube 11 wears a bolt down in the bottom side of sleeve pipe 12 inner faces and puts hole 125, it is counter sinks that bolt is put hole 125, it is positioned at recess 122 belows and the bottom communicates with trepanning 111, offer profile groove 112 on down in the bottom side of sleeve pipe 12 inner faces again, last profile groove 112 is centres that through bolt is put hole 125, and the bottom communicates with trepanning 111, runs through one again along straight preceding profile groove 113 to extension in the middle of beam tube 11 fwds, and the top of preceding profile groove 113 communicates with last profile groove 112;

The left side of profile groove 112 front ends on the correspondence, right both sides, between the leading edge at beam tube 11 tops and sleeve pipe 12, form two and go up bundle ears 114, in wearing lockhole 1141 between the bundle ear 114 on two, the left side of profile groove 113 bottoms before corresponding, right both sides, before beam tube 11, forward-facing be convexly equipped with two bundle ears 115 down, between twice bundle ears 115, wear lockhole 1151, a corresponding again left side of going up profile groove 112 rear ends, right both sides, between the trailing edge at beam tube 11 tops and sleeve pipe 12, form two locking bundle ears 116, between two locking bundle ears 116, wear a locking hole 1161, in last lockhole 1141, following lockhole 1151 and locking hole 1161 place screw lock one bolt nut group 117 respectively.

One adjusts pipe 20, be provided with a straight tube 21, the circular straighttube body of straight tube 21 form fit jacks 121, and be inserted in jack 121 with rearward end, on each bolt nut group 117 screw locks two, restraint ear 114 and two locking bundle ears 116, beam ring 123 and back beam ring 124 are with straight tube 21 tight Shu Dingwei before the order, establish a soft end cap 22 in straight tube 21 back end plugs, front end in straight tube 21 is provided with one as the handgrip connecting support 23 of handling structure again, handgrip connecting support 23 is that the front end in straight tube 21 forms a screw lock plate 231, in the front of screw lock plate 231 screw lock in conjunction with a front shroud 232, form a handle hole that laterally runs through 233 again between front shroud 232 and screw lock plate 231, this handle hole 233 places combination for handgrip.

The utility model removes aforementioned first preferred embodiment, be with beyond the straight tube 21 that cooperates is made as circle with jack 121, also jack 121 can be made as for example other shape such as hexagonal, anise, straight tube 21 for fit shapes inserts the location whereby, and so change the utility model of shape is not limited at this.

When the utility model is installed in bicycle, please referring to first preferred embodiment of Fig. 2, Fig. 3, be earlier permanent seat 10 and adjustment pipe 20 to be taken apart, beam tube 11 is sheathed on the top of front fork by trepanning 111, make the root edge of beam tube 11 be resisted against the headstock bowl go up bowl after, screw lock is the bolt nut group 117 at bundle ear 115 places down, and beam tube 11 bundles are closed the top of being fixed in front fork, simultaneously again bolt A is inserted bolt and put hole 125, locate in front fork with bolt A screw lock.

The straight tube 21 that then will adjust pipe 20 is by being inserted in jack 121 after the previous dynasty, through forward and backward adjustment, after making handgrip connecting support 23 arrive suitable position, the bolt nut group 117 at bundle ear 114 and locking bundle ear 116 places on the screw lock, preceding beam ring 123 and back beam ring 124 with sleeve pipe 12 are tightly restrainted around straight tube 21, will adjust the location positioning of pipe 20 whereby.The bolt nut group 117 at bundle ear 114 places also can be tightened simultaneously the top of beam tube 11 on the screw lock except beam ring 123 before can tightly restrainting, further make beam tube 11 closely collar in the top of front fork.

When the utility model will adjust the pipe 20 be incorporated into permanent seat 10 after, can be in the handle hole 233 of adjusting pipe 20 front ends in conjunction with handgrip, provide the effect that grips manipulation to the user by handgrip, yet because each rider's the pushing difference of height, therefore before the handgrip that is fit to, back position is also different, before needs are adjusted handgrip, after position when using to be fit to the individual, be that the bolt nut group 117 that will go up bundle ear 114 and locking bundle ear 116 places is unclamped, beam ring 123 and back beam ring 124 discharge straight tube 21 before the order, before can adjusting straight tube 21 this moment, after the position, after adjustment finishes, lock bolt nut group 117 once again and get final product.

Further, owing to be provided with detachable end 22 in straight tube 21 rear ends, therefore after straight tube 21 is adjusted to the length that is fit to individual's use, can select the redundance that straight tube 21 protrudes is backwards cut removal, again end cap 22 is got back into the location, rear end of straight tube 21, as Fig. 4, shown in Figure 5, so except the utility model being adjusted into the pushing state of suitable individual height, can also increase the aesthetic appearance after adjusting, avoid projection backward may cause the danger of collision simultaneously, reach better result of use.

And, the utility model is except aforementioned first preferred embodiment, be with beyond can constructing as manipulation in conjunction with the handgrip connecting support 23 of handgrip, second preferred embodiment as Fig. 6, can be directly in the front end of described straight tube 21 in conjunction with a handgrip 23A, the front end that is incorporated into straight tube 21 with the centre of this handgrip 23A is as handling structure, whereby to the user provide controlling party to other plant structure and select.Because the embodiment and the effect of the forward and backward position of the handgrip adjusted 23A that second preferred embodiment can reach are all described identical with first preferred embodiment, so the utility model is not given unnecessary details at this.

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. a multi-functional grip vertical tube is characterized in that, comprising:

One permanent seat, be provided with a beam tube, this beam tube is a straight tube body and in top junction unification sleeve pipe, this inside pipe casing forms a jack along the front and rear direction extension, the bottom side of this sleeve pipe inner face is offered profile groove on down, the and arranged on left and right sides of profile groove front end on the correspondence, between the leading edge at this beam tube top and this sleeve pipe, form two and go up the bundle ears, wear lockhole between the bundle ear on two, the and arranged on left and right sides of profile groove rear end on the correspondence, between the trailing edge at this beam tube top and this sleeve pipe, form two locking bundle ears, wears a locking hole between the two locking bundle ears; And

One adjusts pipe, is provided with a straight tube, the straight tube body of this this jack of straight tube form fit, and this straight tube is plugged at this jack with rearward end, and the front end of this straight tube is provided with one and handles structure.

2. multi-functional grip vertical tube according to claim 1, it is characterized in that: described beam tube is to be the straight tube body of end-blocking to setting and top directly, the inside of this beam tube is formed at the trepanning of bottom end opening, to centre that should beam tube, the bottom side of described sleeve pipe inner face wears a bolt down and puts the hole, it is counter sink that this bolt is put the hole, and the bottom communicates with this trepanning;

Described upward profile groove is to run through the centre that this bolt is put the hole, and the bottom that should go up profile groove communicates with this trepanning, in the middle of this beam tube fwd, run through one along straight preceding profile groove to extension, the top of preceding profile groove communicates with last profile groove, the and arranged on left and right sides of profile groove bottom before corresponding, the preceding bundle ears that forward-facing are convexly equipped with two times of this beam tube wear lockhole between twice bundle ears.

3. multi-functional grip vertical tube according to claim 2, it is characterized in that: a recess is offered at the top in the middle of the described sleeve pipe, this recess runs through the and arranged on left and right sides of this sleeve pipe, whereby a beam ring and a back beam ring before the part that this sleeve pipe is positioned at this recess front side and rear side respectively forms one.

4. according to claim 2 or 3 described multi-functional grip vertical tubes, it is characterized in that: the back end plug of described straight tube is established in conjunction with an end cap, places screw lock one bolt nut group respectively in described lockhole, described lockhole down and the described locking hole gone up again.

5. multi-functional grip vertical tube according to claim 4, it is characterized in that: described manipulation structure is a handgrip connecting support, it is that front end in described straight tube forms a screw lock plate, the front screw lock of this screw lock plate forms a handle hole that laterally runs through in conjunction with a front shroud between this front shroud and this screw lock plate.

6. multi-functional grip vertical tube according to claim 4 is characterized in that: described manipulation structure is a handgrip, and this handgrip is incorporated into the front end of described straight tube with the centre.