CN201183579Y

CN201183579Y - Bicycle handlebar structure

Info

Publication number: CN201183579Y
Application number: CNU2007201332565U
Authority: CN
Inventors: 施锡开
Original assignee: HONGHUI INDUSTRY Corp
Current assignee: HONGHUI INDUSTRY Corp
Priority date: 2007-12-28
Filing date: 2007-12-28
Publication date: 2009-01-21
Anticipated expiration: 2017-12-28

Abstract

A bicycle handle structure includes a bicycle hand tube, a grip sleeve which can be sleeved on the bicycle hand tube, and an auxiliary handle; aiming at the structure of the clamping end of the auxiliary handle, which is different from the holding end, the bicycle handle structure makes improvement, namely, a through hole of the holding end of the auxiliary handle is provided with a first clamping hole wall at the inner side and a second clamping hole wall at the outer side with the aperture smaller than that of the first clamping hole wall, so that the clamping end of the auxiliary handle can penetrate through the first clamping hole wall when using a fastening bolt to fasten, and clamps the corresponding part of the grip sleeve onto the outer peripheral wall of the bicycle hand tube, and can especially penetrate through the second clamping hole wall to be directly fixed with the outer peripheral of the bicycle hand tube; as the clamping and the fixation among metals, the assembly firmness and tightness among the grip sleeve, the auxiliary handle and the bicycle hand tube can be greatly improved.

Description

The bicycle handle structure

Technical field

The utility model relates to the bicycle handle member, more detailed it, be meant a kind of bicycle handle structure especially, in order to improve grip, secondary handle and the triangular assembling fastness of driver tube.

Background technology

Press, the handle of present bicycle, basically all include a metal driver tube and a grip that is set on the driver tube, this grip adopts soft plastic material or expanded material to make, usually can be directly with flush fit mode collar on driver tube, if grip is to utilize the outside soft plastic material shell that coats of rigid plastic inner casing, then must utilize the metal hoop that at least one end of rigid plastic inner casing is tightened usually, grip can be tightened on the metal driver tube, the secondary handle of other some grip meeting complexed metal, general secondary handle generally is strip, and all have a holding end and a bare terminal, this bare terminal has a through hole, and offer a breach in the hole wall predetermined position of through hole, this indentation, there is formed with two relative walls, can be by packing bolt-through locking packing, through hole is tightened toward internal condensation, so, roughly distinguishing has two kinds to tighten mode, first kind of mode of tightening is directly to tighten mutually with the hole wall of through hole and the periphery wall of metal handlebar, and with secondary handle independent stationary on driver tube; Second kind of mode of tightening then is the relative projection position collar packing with hole wall with the grip rigid plastic inner casing external side end of through hole, and the grip collar is fixed on the driver tube.

Only, tighten mode, all have many shortcomings for above-mentioned two kinds; At first, tighten with regard to the mode with regard to first kind, the secondary handle of this metal directly and metal driver tube periphery wall tighten mutually, though can reach very firm assembling effect, but such fixed form is to be independent of outside the grip, for the grip of generally forming by the rigid plastic inner casing, collocation metal hoop except meeting increases cost, also can influence the aesthetic feeling of appearance and modeling in addition, simultaneously, because this pair handle can't one combine with grip, so each interval apart from may strengthening, and is unfavorable for that the operator is in grip and secondary handle intercropping gripping conversion, the operator also relatively is difficult for gripping secondary handle and grip simultaneously, and does not meet human oriented design.Secondly, tighten mode for second kind, though can directly replace the metal hoop of grip external side end with secondary handle, be fixed on the driver tube and grip tightened, to solve the problems that first kind of mode of tightening exists, but secondary handle sees through the projection interdigit ground connection and the metal driver pipe clamp of grip rigid plastic inner casing pulls fixing, can be because of secondary handle, between grip and driver tube three, all belong to the contact of plastic wall in the face of the metal wall, its friction drag is less, it is also relatively poor relatively to press from both sides the tightness of pulling, cause secondary handle and grip on driver tube, to produce loosening slip phenomenon easily, particularly work as grip and pressed from both sides the projection position of pulling, when producing plastic deformation over time, this phenomenon is more obvious, and is an impediment to safety and the traveling comfort that drives.

Summary of the invention

Main purpose of the present utility model is to provide a kind of bicycle handle structure, can significantly improve folder between secondary handle and the driver tube tightness of pulling, and more can increase the triangular assembling fastness of grip, secondary handle and driver tube.

For reaching above-mentioned purpose, the utility model provides a kind of bicycle handle structure, by a driver tube, can be set in grip on the driver tube and a secondary handle, a packing bolt is formed; The through hole place of this pair handle bare terminal is formed with one first clamping hole wall and the one second clamping hole wall that is step shape, this first clamping hole wall is positioned at the through hole inboard, can overlap the contact of pulling mutually with the relative position of grip, this second clamping hole wall is positioned at the through hole outside, and the aperture is less than the first clamping hole wall, can directly overlap mutually to pull with the periphery wall of driver tube to contact.

Bicycle handle structure provided by the utility model, when secondary handle bare terminal utilizes packing bolt locking packing, just can be by the first clamping hole wall, the relative position folder of grip pulled be packed on the periphery wall of driver tube, more can press from both sides the packing of pulling by periphery wall direct by the second clamping hole wall and driver tube, particularly the second clamping hole wall and driver tube periphery wall are to each other, be to belong to metallic walls in the face of the contact of pulling of the folder of metal wall, but mat is the characteristic of the big friction drag of tool to each other, and significantly improve folder between secondary handle and the driver tube tightness of pulling, jointly, also can increase grip, secondary handle and the triangular assembling fastness of driver tube.

Description of drawings

Fig. 1 is the outward appearance assembly drawing of the utility model bicycle handle structure, the wherein separated attitude of driver tube.

Fig. 2 is the sectional perspective exploded drawings of the utility model bicycle handle structure.

Fig. 3 is the partial side, cross-sectional view of the utility model bicycle handle structure, the wherein separated attitude of driver tube.

Fig. 4 is the partial side, cross-sectional view of the utility model bicycle handle structure, and wherein driver tube is assembled state.

Fig. 5 is the partial side, cross-sectional view of the secondary handle of the utility model inboard.

Fig. 6 is the location structure scheme drawing between the utility model grip and secondary handle.

The specific embodiment

At first, see also Fig. 1, Fig. 2, the utility model is a kind of preferred embodiment of bicycle handle structure, and this bicycle handle includes a driver tube 10, a grip 20, one secondary handle 30 and a packing bolt 40; Wherein:

This driver tube 10 is to belong to a vehicle frame part, is made for goodly especially with metallic material, and has a metal peripheral wall 11;

This grip 20, present embodiment coat a nonrigid plastic shell 202 by a rigid plastic inner casing 201 outside one to be formed, as shown in Figure 3, Figure 4; This rigid plastic inner casing 201 has a trepanning 21, can be set on these driver tube 10 periphery walls 11, and external side end is in the face of claiming to be extended with the two arc projections 22 of being separated by suitable distance, this arc projection 22 has an axial length and a radial wall thickness, and have one and can extend the intrados 221 that forms from the hole wall one of trepanning 21, and an extrados 222, this intrados 221 roughly can with the periphery wall 11 of driver tube 10 mutually cover pull and contact;

This pair handle 30 has a holding end 301 and a bare terminal 302; These bare terminal 302 places are provided with a through hole 31, and the hole wall appropriate location of this through hole 31 offers a breach 32, and these breach 32 places are formed with two relative walls 321, as shown in Figure 5, and in these walls 321 be respectively equipped with one the perforation 322 and one screw 323; These through hole 31 places are formed with one first clamping hole wall 311 and the one second clamping hole wall 312 that is step shape, this first clamping hole wall 311 is positioned at the inboard of through hole 31, this second clamping hole wall 312 is positioned at the outside of through hole 31, and the aperture is less than the first clamping hole wall 311, simultaneously, this first clamping hole wall 311 roughly can with arc projection 22 extrados 222 of grip 20 mutually cover pull identical, this second clamping hole wall 312 roughly can with the periphery wall 11 of driver tube 10 mutually cover pull identical; Secondary handle 30 integral body of present embodiment are made by metallic material, certainly, also the through hole 31 peripheral positions of bare terminal 302 are made by metallic material at least, other position suitably links coating with plastic material or other material again and forms, so, can making at least relatively, the second clamping hole wall 312 of driver tube 10 periphery walls 11 is the metal wall;

This packing bolt 40, can penetrate from perforation 322 outsides of this pair handle 30 breach 32 places one wall 321, screw 323 with another relative wall 321 screws togather mutually again, and lock the two relative walls 321 at secondary handle 30 breach 32 places close each other, force secondary handle 30 to be seen through the first clamping hole wall 311, the arc projection 22 of grip 20 is pressed from both sides on the periphery wall 11 that is packed in driver tube 10 of pulling, see through the second clamping hole wall, 312 periphery walls 11 direct and driver tube 10 simultaneously and press from both sides the packing of pulling.

The utility model bicycle handle structure, arc projection 22 quantity that its grip 20 outside end faces are extended are not limited to, in principle, as long as have enough structural strengths, also can provide enough clamping surfaces long-pending, tighten folder for secondary handle 30 first clamping hole walls 311 and pull, all meet technical characterstic of the present utility model, so can be the be separated by symmetrical shape of suitable distance of single form, two, also can be the multi-disc form of the suitable distance of respectively being separated by.

20 of secondary handle 30 of the present utility model and grips, can increase the location structure design, as shown in Figure 6, for example: can at least one arc projection 22 extrados 222 of grip 20, one projection one locate salient point 223, can supply positioning convex point 223 ccontaining positioning ring grooves 313 wherein and on the first clamping hole wall 311 of this pair handle 30, be arranged with one relatively; So, before 40 lockings of packing bolt, this pair handle 30 just can produce preliminary snaps into position by location structure and grip 20 to each other, such way, fastness and comfort feature when helping secondary handle 30 with assembling of grip 20 intercropping products and packing, and needn't rely on packing bolt 40 fully, or packing must screw packing bolt 40 earlier together the time, except that this, also help the subsequent product direct mount on driver tube 10, and needn't unscrew packing bolt 40 earlier, and treat to screw packing bolt 40 again behind the assembling location, can increase follow-up stack-mounted convenience and efficient.

See also Fig. 1, Fig. 2, bicycle handle structure of the present utility model, actual assembly operation is also quite simple, before the assembling, packing bolt 40 on this pair handle 30 is required to be the state of unscrewing, and can utilize the location structure of 20 of secondary handle 30 and grips, as shown in Figure 6, be about to this pair handle 30 preliminary covers earlier and pull and be positioned on grip 20 external side ends, be inserted on the driver tube 10 more together, behind the suitable position with respect to driver tube 10 to be adjusted, then the packing bolt 40 on the secondary handle 30 is screwed, can finish the single-piece assembling operation; Certainly, if grip 20 is set on the driver tube 10 in advance, then only secondary handle 30 need be overlapped simultaneously and pull on driver tube 10 and grip 20 external side ends, behind grip 20 to be adjusted and the suitable position of secondary handle 30 with respect to driver tube 10, screw packing bolt 40 again, can finish the single-piece assembling operation.In assembling process, required pay special attention to be, the first clamping hole wall 311 of this pair handle 30 must press from both sides on arc projection 22 extrados 222 that are packed in grip 20 external side ends of pulling exactly, the second clamping hole wall 312 also must press from both sides on the periphery wall 11 that is packed in driver tube 10 of pulling exactly, so, just can guarantee that secondary handle 30, grip 20 and driver tube 10 triangular folders pull to close is, also can further guarantee to each other folder pull tightness and fastness.Particularly the utility model is pulled with the mutual folder of grip 20 arc projections 22 except utilizing secondary handle 30 first clamping hole walls 311, and keep secondary handle 30 and grip 20, driver tube 10 triangular basic folders are pulled outside the tightness, more utilizing 11 of secondary handle 30 second clamping hole walls 312 and driver tube 10 periphery walls to form metallic walls pulls in the face of the direct folder of metal wall, with the folder of 10 of reinforcing auxiliary handle 30 and the driver tubes tightness of pulling, certainly, also improved secondary handle 30 jointly, grip 20 and driver tube 10 triangular folders pull tightness and fastness, and do not have common secondary handle and grip in use for some time, be easy to generate the situation of loosening slippage.In addition, the secondary handle 30 of the utility model is the first clamping hole wall 311 of annular groove shape, owing to can when assembling, not form the angle limits of circumferencial direction to the arc projection 22 of grip 20, therefore, the rider can indiscriminately ad. as one wishes rotate the setting angle of adjusting secondary handle 30 according to demands of individuals, the whole use of order more meets the hommization demand, and then promoted the value added of product.

In sum, the utility model has its splendid progressive practicality in fact in like product, simultaneously all over looking into domestic and international technical materials about this class formation, also finding no identical construction in the document exists formerly, be to have possessed novel patent requirement so that, the utility model is real, please in proposing in accordance with the law.

Only, the above only is the preferable possible embodiments of number of the present utility model, changes so use the equivalent structure that the utility model specification sheets and claim do such as, ought to be included in the claim of the present utility model.

Claims

1, a kind of bicycle handle structure, by a driver tube, can be set in grip on the driver tube and a secondary handle, a packing bolt is formed; It is characterized in that:

Above-mentioned grip has a trepanning, can be set on this driver tube, and outside end face is extended with an arc projection, this arc projection has an axial length and a radial wall thickness, and have one and can extend the intrados that forms from the hole wall one of trepanning, and an extrados, this intrados can overlap mutually to pull and contact with the periphery wall of driver tube;

Above-mentioned secondary handle has a holding end and a bare terminal; This bare terminal place is provided with a through hole, and the hole wall book office of this through hole offers a breach, and is formed with two relative walls in indentation, there; This through hole is formed with one and is positioned at the first inboard clamping hole wall, and one be positioned at the outside and aperture less than the second clamping hole wall of the first clamping hole wall, this first clamping hole wall can overlap mutually with the arc projection extrados of grip pull identical, this second clamping hole wall can overlap mutually with the periphery wall of driver tube pull identical;

Above-mentioned packing bolt can lock two relative walls that should pair handle indentation, there close each other, make secondary handle can see through the first clamping hole wall, the arc projection of grip folder pulled to be packed on the periphery wall of driver tube, and can see through directly the pull periphery wall of packing driver tube of folder of the second clamping hole wall simultaneously.

2, bicycle handle as claimed in claim 1 structure is characterized in that: wherein the external side end of this grip is in the face of claiming to be extended with the two arc projections of being separated by preset distance.

3, bicycle handle structure as claimed in claim 1, it is characterized in that: wherein the outside end face of this grip is extended with the arc projection of a plurality of preset distances of respectively being separated by.

4, bicycle handle structure as claimed in claim 1, it is characterized in that: wherein projection has a location salient point on the extrados of this grip one arc projection, is concaved with one on the first clamping hole wall of this pair handle relatively and can supplies the ccontaining positioning ring groove wherein of positioning convex point.